/****************************************************************************** * Copyright (c) 2000-2021 Ericsson Telecom AB * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v2.0 * which accompanies this distribution, and is available at * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html * * Contributors: * Baji, Laszlo * Balasko, Jeno * Baranyi, Botond * Beres, Szabolcs * Delic, Adam * Knapp, Adam * Kovacs, Ferenc * Raduly, Csaba * Szabados, Kristof * Szabo, Bence Janos * Szalai, Gabor * Zalanyi, Balazs Andor * Pandi, Krisztian * ******************************************************************************/ #include "../../common/dbgnew.hh" #include "../../common/version.h" #include "AST_ttcn3.hh" #include "../Identifier.hh" #include "../CompilerError.hh" #include "../Setting.hh" #include "../Type.hh" #include "../CompField.hh" #include "../CompType.hh" #include "../TypeCompat.hh" #include "../Valuestuff.hh" #include "../Value.hh" #include "Ttcnstuff.hh" #include "TtcnTemplate.hh" #include "Templatestuff.hh" #include "ArrayDimensions.hh" #include "compiler.h" #include "../main.hh" #include "Statement.hh" #include "ILT.hh" #include "Attributes.hh" #include "PatternString.hh" #include "../../common/version_internal.h" #include "../CodeGenHelper.hh" #include "../../common/JSON_Tokenizer.hh" #include "../DebuggerStuff.hh" #include // implemented in coding_attrib_p.y extern Ttcn::ExtensionAttributes * parse_extattributes( Ttcn::WithAttribPath *w_attrib_path); // implemented in compiler.y extern Ttcn::ErroneousAttributeSpec* ttcn3_parse_erroneous_attr_spec_string( const char* p_str, const Common::Location& str_loc); extern void init_coding_attrib_lex(const Ttcn::AttributeSpec& attrib); extern int coding_attrib_parse(); extern void cleanup_coding_attrib_lex(); extern Ttcn::ExtensionAttributes *extatrs; /** Create a field name in the anytype * * The output of this function will be used to create an identifier * to be used as the field name in the anytype. * The type_name may be a built-in type (e.g. "integer") or a user-defined * type. * * If the name has multiple components (a fullname?), it keeps just the last * component without any dots. * * Also, the space in "universal charstring" needs to be replaced * with an underscore to make it an identifier. * * Note: Prefixing with "AT_" is not done here, but in defUnionClass(). * * @param type_name string * @return string to be used as the identifier. */ string anytype_field(const string& type_name) { string retval(type_name); // keep just the last part of the name // TODO check if there's a way to get just the last component (note that fetching the string is done outside of this function) size_t dot = retval.rfind('.'); if (dot >= retval.size()) dot = 0; else ++dot; retval.replace(0, dot, ""); return retval; } extern Common::Modules *modules; // in main.cc namespace { static const string _T_("_T_"); } namespace Ttcn { using namespace Common; // ================================= // ===== FieldOrArrayRef // ================================= FieldOrArrayRef::FieldOrArrayRef(const FieldOrArrayRef& p) : Node(p), Location(p), ref_type(p.ref_type) { switch (p.ref_type) { case FIELD_REF: case FUNCTION_REF: u.ff.id = p.u.ff.id->clone(); u.ff.checked = p.u.ff.checked; if (u.ff.checked) { u.ff.ap_list = p.u.ff.ap_list != NULL ? p.u.ff.ap_list->clone() : NULL; } else { u.ff.parsed_pars = p.u.ff.parsed_pars != NULL ? p.u.ff.parsed_pars->clone() : NULL; } break; case ARRAY_REF: u.arp = p.u.arp->clone(); break; default: FATAL_ERROR("FieldOrArrayRef::FieldOrArrayRef()"); } } FieldOrArrayRef::FieldOrArrayRef(Identifier *p_id, ParsedActualParameters* p_params /* = NULL */) : Node(), Location(), ref_type(p_params != NULL ? FUNCTION_REF : FIELD_REF) { if (!p_id) FATAL_ERROR("FieldOrArrayRef::FieldOrArrayRef()"); u.ff.id = p_id; u.ff.parsed_pars = p_params; u.ff.checked = false; } FieldOrArrayRef::FieldOrArrayRef(Value *p_arp) : Node(), Location(), ref_type(ARRAY_REF) { if (!p_arp) FATAL_ERROR("FieldOrArrayRef::FieldOrArrayRef()"); u.arp = p_arp; } FieldOrArrayRef::~FieldOrArrayRef() { switch (ref_type) { case FIELD_REF: case FUNCTION_REF: delete u.ff.id; if (u.ff.checked) { delete u.ff.ap_list; } else { delete u.ff.parsed_pars; } break; case ARRAY_REF: delete u.arp; break; default: FATAL_ERROR("FieldOrArrayRef::~FieldOrArrayRef()"); } } FieldOrArrayRef *FieldOrArrayRef::clone() const { return new FieldOrArrayRef(*this); } void FieldOrArrayRef::set_fullname(const string& p_fullname) { Node::set_fullname(p_fullname); if (ref_type == ARRAY_REF) u.arp->set_fullname(p_fullname + "."); else if (ref_type == FUNCTION_REF) { if (u.ff.checked) { u.ff.ap_list->set_fullname(p_fullname + "."); } else { u.ff.parsed_pars->set_fullname(p_fullname + "."); } } } void FieldOrArrayRef::set_my_scope(Scope *p_scope) { if (ref_type == ARRAY_REF) u.arp->set_my_scope(p_scope); else if (ref_type == FUNCTION_REF) { if (u.ff.checked) { u.ff.ap_list->set_my_scope(p_scope); } else { u.ff.parsed_pars->set_my_scope(p_scope); } } } const Identifier* FieldOrArrayRef::get_id() const { if (ref_type == ARRAY_REF) FATAL_ERROR("FieldOrArrayRef::get_id()"); return u.ff.id; } Value *FieldOrArrayRef::get_val() const { if (ref_type != ARRAY_REF) FATAL_ERROR("FieldOrArrayRef::get_val()"); return u.arp; } ParsedActualParameters* FieldOrArrayRef::get_parsed_pars() const { if (ref_type != FUNCTION_REF || u.ff.checked) { FATAL_ERROR("FieldOrArrayRef::get_parsed_pars()"); } return u.ff.parsed_pars; } bool FieldOrArrayRef::parameters_checked() const { if (ref_type != FUNCTION_REF) { FATAL_ERROR("FieldOrArrayRef::parameters_checked()"); } return u.ff.checked; } ActualParList* FieldOrArrayRef::get_actual_par_list() const { if (ref_type != FUNCTION_REF || !u.ff.checked) { FATAL_ERROR("FieldOrArrayRef::get_actual_par_list()"); } return u.ff.ap_list; } FormalParList* FieldOrArrayRef::get_formal_par_list() const { if (ref_type != FUNCTION_REF || !u.ff.checked) { FATAL_ERROR("FieldOrArrayRef::get_formal_par_list()"); } return u.ff.fp_list; } void FieldOrArrayRef::set_parameter_list(ActualParList* p_ap_list, FormalParList* p_fp_list) { if (ref_type != FUNCTION_REF || u.ff.checked) { FATAL_ERROR("FieldOrArrayRef::set_parameter_list()"); } u.ff.checked = true; delete u.ff.parsed_pars; u.ff.ap_list = p_ap_list; u.ff.fp_list = p_fp_list; } void FieldOrArrayRef::append_stringRepr(string& str) const { switch (ref_type) { case FIELD_REF: case FUNCTION_REF: str += '.'; str += u.ff.id->get_dispname(); if (ref_type == FUNCTION_REF) { size_t nof_pars = u.ff.checked ? u.ff.ap_list->get_nof_pars() : u.ff.parsed_pars->get_nof_tis(); if (nof_pars > 0) { str += '('; for (size_t i = 0; i < nof_pars; ++i) { if (i > 0) { str += ", "; } if (u.ff.checked) { u.ff.ap_list->get_par(i)->append_stringRepr(str); } else { u.ff.parsed_pars->get_ti_byIndex(i)->append_stringRepr(str); } } str += ')'; } } break; case ARRAY_REF: str += '['; str += u.arp->get_stringRepr(); str += ']'; break; default: str += ""; } } void FieldOrArrayRef::set_field_name_to_lowercase() { if (ref_type != FIELD_REF) FATAL_ERROR("FieldOrArrayRef::set_field_name_to_lowercase()"); string new_name = u.ff.id->get_name(); if (isupper(new_name[0])) { new_name[0] = static_cast( tolower(new_name[0] )); if (new_name[new_name.size() - 1] == '_') { // an underscore is inserted at the end of the field name if it's // a basic type's name (since it would conflict with the class generated // for that type) // remove the underscore, it won't conflict with anything if its name // starts with a lowercase letter new_name.replace(new_name.size() - 1, 1, ""); } delete u.ff.id; u.ff.id = new Identifier(Identifier::ID_NAME, new_name); } } // ================================= // ===== FieldOrArrayRefs // ================================= FieldOrArrayRefs::FieldOrArrayRefs(const FieldOrArrayRefs& p) : Node(p), refs_str_element(false), my_scope(NULL), checked(false) { for (size_t i = 0; i < p.refs.size(); i++) refs.add(p.refs[i]->clone()); } FieldOrArrayRefs::~FieldOrArrayRefs() { for (size_t i = 0; i < refs.size(); i++) delete refs[i]; refs.clear(); } FieldOrArrayRefs *FieldOrArrayRefs::clone() const { return new FieldOrArrayRefs(*this); } void FieldOrArrayRefs::set_fullname(const string& p_fullname) { Node::set_fullname(p_fullname); for (size_t i = 0; i < refs.size(); i++) refs[i]->set_fullname(p_fullname + "."); } void FieldOrArrayRefs::set_my_scope(Scope *p_scope) { my_scope = p_scope; for (size_t i = 0; i < refs.size(); i++) refs[i]->set_my_scope(p_scope); } bool FieldOrArrayRefs::has_unfoldable_index() const { for (size_t i = 0; i < refs.size(); i++) { FieldOrArrayRef *ref = refs[i]; if (ref->get_type() == FieldOrArrayRef::ARRAY_REF) { Value *v = ref->get_val(); v->set_lowerid_to_ref(); if (v->is_unfoldable()) return true; } } return false; } void FieldOrArrayRefs::remove_refs(size_t n) { for (size_t i = 0; i < n; i++) delete refs[i]; refs.replace(0, n, NULL); set_fullname(get_fullname()); } /* remove_last_field is used when unfolding references for ischosen and ispresent function operands. In this case it is NOT sure the last field exists. Calling remove_last_field previously will avoid getting the "variable...Has no member called..." error message. The last field component will be checked as a separate step. Warning: the removed Identifier has to be deleted later */ Identifier* FieldOrArrayRefs::remove_last_field() { if (refs.size() == 0) return 0; size_t last_elem_ind = refs.size() - 1; FieldOrArrayRef* last_elem = refs[last_elem_ind]; if (last_elem->get_type() == FieldOrArrayRef::FIELD_REF) { Identifier *ret_val = last_elem->get_id()->clone(); delete last_elem; refs.replace(last_elem_ind, 1, NULL); return ret_val; } else return 0; } void FieldOrArrayRefs::generate_code(expression_struct *expr, Common::Assignment *ass, Common::Scope* ref_scope, bool const_ref /* = false */, size_t nof_subrefs /* = UINT_MAX*/) { Type *type = 0; bool is_template = false; switch (ass->get_asstype()) { case Common::Assignment::A_CONST: // a Def_Const case Common::Assignment::A_EXT_CONST: // a Def_ExtConst case Common::Assignment::A_MODULEPAR: // a Def_Modulepar case Common::Assignment::A_VAR: // a Def_Var case Common::Assignment::A_EXCEPTION: // a Def_Exception case Common::Assignment::A_FUNCTION_RVAL: // a Def_Function case Common::Assignment::A_EXT_FUNCTION_RVAL: // a Def_ExtFunction case Common::Assignment::A_PAR_VAL_IN: // a FormalPar case Common::Assignment::A_PAR_VAL_OUT: // a FormalPar case Common::Assignment::A_PAR_VAL_INOUT: // a FormalPar // The type is important since the referred entities are value objects. type = ass->get_Type(); break; case Common::Assignment::A_MODULEPAR_TEMP: // a Def_Modulepar_Template case Common::Assignment::A_TEMPLATE: // a Def_Template case Common::Assignment::A_VAR_TEMPLATE: // a Def_Var_Template case Common::Assignment::A_PAR_TEMPL_IN: // a FormalPar case Common::Assignment::A_PAR_TEMPL_OUT: // a FormalPar case Common::Assignment::A_PAR_TEMPL_INOUT: // a FormalPar // The type is semi-important because fields of anytype templates // need the prefix. type = ass->get_Type(); is_template = true; break; case Common::Assignment::A_TIMER: // a Def_Timer case Common::Assignment::A_PORT: // a Def_Port case Common::Assignment::A_FUNCTION_RTEMP: // a Def_Function case Common::Assignment::A_EXT_FUNCTION_RTEMP: // a Def_ExtFunction case Common::Assignment::A_PAR_TIMER: // a FormalPar case Common::Assignment::A_PAR_PORT: // a FormalPar // The type is not relevant (i.e. the optional fields do not require // special handling). type = 0; break; default: // Reference to other definitions cannot occur during code generation. FATAL_ERROR("FieldOrArrayRefs::generate_code()"); type = 0; } generate_code(expr, type, ref_scope, const_ref, is_template, nof_subrefs); } void FieldOrArrayRefs::generate_code(expression_struct* expr, Type* type, Common::Scope* ref_scope, bool const_ref, /* = false */ bool is_template, /* = false */ size_t nof_subrefs /* = UINT_MAX */) { size_t n_refs = (nof_subrefs != UINT_MAX) ? nof_subrefs : refs.size(); for (size_t i = 0; i < n_refs; i++) { if (type) type = type->get_type_refd_last(); // type changes inside the loop; need to recompute "last" every time. FieldOrArrayRef *ref = refs[i]; if (ref->get_type() == FieldOrArrayRef::FIELD_REF) { // Write a call to the field accessor method. // Fields of the anytype get a special prefix; see also: // Template::generate_code_init_se, TypeConv::gen_conv_func_choice_anytype, // defUnionClass and defUnionTemplate. const Identifier& id = *ref->get_id(); // todo: convert back to non-const if the previous type wasn't a class and the current one is expr->expr = mputprintf(expr->expr, "%s%s%s%s", (type != NULL && type->get_typetype() == Type::T_CLASS) ? "->" : ".", ((type!=0 && type->get_typetype()==Type::T_ANYTYPE) ? "AT_" : ""), id.get_name().c_str(), (type != NULL && type->get_typetype() == Type::T_CLASS) ? "" : "()"); if (type) { if (type->get_type_refd_last()->get_typetype() != Type::T_CLASS) { CompField *cf = type->get_comp_byName(id); // If the field is optional, the return type of the accessor is an // OPTIONAL. Write a call to OPTIONAL::operator(), // which "reaches into" the OPTIONAL to get the contained type T. // Don't do this at the end of the reference chain. // Accessor methods for a foo_template return a bar_template // and OPTIONAL<> is not involved, hence no "()". if (!is_template && i < n_refs - 1 && cf->get_is_optional()) expr->expr = mputstr(expr->expr, "()"); // Follow the field type. type = cf->get_type(); } else { // class type = type->get_class_type_body()-> get_local_ass_byId(*ref->get_id())->get_Type(); } } } else if (ref->get_type() == FieldOrArrayRef::FUNCTION_REF) { if (type == NULL) { FATAL_ERROR("FieldOrArrayRefs::generate_code"); } ClassTypeBody* class_ = type->get_class_type_body(); if (const_ref && i > 0 && refs[i - 1]->get_type() != FieldOrArrayRef::FUNCTION_REF) { // todo: convert if previous type wasn't a class // all class methods are non-const, have to convert the current object // to non-const char* prev_expr = expr->expr; expr->expr = mprintf("const_cast< %s&>(%s)", type->get_genname_value(ref_scope).c_str(), prev_expr); Free(prev_expr); } const Identifier& id = *ref->get_id(); // 'ass' is null if the 'toString' method from the 'object' class is called Common::Assignment* ass = class_->has_local_ass_withId(id) ? class_->get_local_ass_byId(id) : NULL; expr->expr = mputprintf(expr->expr, "->%s(", id.get_name().c_str()); FormalParList* fp_list = ass != NULL ? ass->get_FormalParList() : new FormalParList; // the formal parameter list of 'toString' is empty ref->get_actual_par_list()->generate_code_noalias(expr, fp_list); if (ass == NULL) { delete fp_list; } expr->expr = mputc(expr->expr, ')'); type = ass != NULL ? ass->get_Type() : Common::Type::get_pooltype(Common::Type::T_USTR); if (const_ref && i < n_refs - 1 && refs[i + 1]->get_type() != FieldOrArrayRef::FUNCTION_REF) { // the next subreference is a field name or array index, have to // convert the resulting object back to const // (use static_cast, since methods return temporary objects, not // references) char* prev_expr = expr->expr; expr->expr = mprintf("static_cast(%s)", type->get_genname_value(ref_scope).c_str(), prev_expr); Free(prev_expr); } } else { // Generate code for array reference. Value* v = ref->get_val(); Type * pt = v->get_expr_governor_last(); // If the value is indexed with an array or record of then generate // the indexes of the array or record of into the code, one by one. if (pt->get_typetype() == Type::T_ARRAY || pt->get_typetype() == Type::T_SEQOF) { int len = 0, start = 0; if (pt->get_typetype() == Type::T_ARRAY) { len = static_cast( pt->get_dimension()->get_size() ); start = pt->get_dimension()->get_offset(); } else if (pt->get_typetype() == Type::T_SEQOF) { len = pt->get_sub_type()->get_length_restriction(); } // Generate the indexes as [x][y]... for (int j = start; j < start + len; j++) { expr->expr = mputc(expr->expr, '['); v->generate_code_expr(expr); expr->expr = mputprintf(expr->expr, "[%i]]", j); } } else { expr->expr = mputc(expr->expr, '['); v->generate_code_expr(expr); expr->expr = mputc(expr->expr, ']'); } if (type) { // Follow the embedded type. switch (type->get_typetype()) { case Type::T_SEQOF: case Type::T_SETOF: case Type::T_ARRAY: type = type->get_ofType(); break; default: // The index points to a string element. // There are no further sub-references. type = 0; } // switch } // if (type) } // if (ref->get_type) } // next reference } void FieldOrArrayRefs::append_stringRepr(string& str) const { for (size_t i = 0; i < refs.size(); i++) refs[i]->append_stringRepr(str); } bool FieldOrArrayRefs::has_function_ref() const { for (size_t i = 0; i < refs.size(); ++i) { if (refs[i]->get_type() == FieldOrArrayRef::FUNCTION_REF) { return true; } } return false; } void FieldOrArrayRefs::use_default_alternative(size_t p_idx, const Identifier& p_alt_name) { FieldOrArrayRef* alt_ref = new FieldOrArrayRef(new Identifier(p_alt_name)); alt_ref->set_my_scope(my_scope); refs.insert(alt_ref, p_idx); set_fullname(get_fullname()); } // ================================= // ===== Ref_base // ================================= Ref_base::Ref_base(const Ref_base& p) : Ref_simple(p), subrefs(p.subrefs) { modid = p.modid ? p.modid->clone() : 0; id = p.id ? p.id->clone() : 0; params_checked = p.params_checked; } Ref_base::Ref_base(Identifier *p_modid, Identifier *p_id) : Ref_simple(), modid(p_modid), id(p_id), params_checked(false) , usedInIsbound(false) { if (!p_id) FATAL_ERROR("NULL parameter: Ttcn::Ref_base::Ref_base()"); } Ref_base::~Ref_base() { delete modid; delete id; } void Ref_base::set_fullname(const string& p_fullname) { Ref_simple::set_fullname(p_fullname); subrefs.set_fullname(p_fullname); } void Ref_base::set_my_scope(Scope *p_scope) { Ref_simple::set_my_scope(p_scope); subrefs.set_my_scope(p_scope); } /* returns the referenced variable's base type or value */ Setting* Ref_base::get_refd_setting() { Common::Assignment *ass = get_refd_assignment(); if (ass) return ass->get_Setting(); else return 0; } FieldOrArrayRefs *Ref_base::get_subrefs() { if (!id) get_modid(); if (subrefs.get_nof_refs() == 0) return 0; else return &subrefs; } bool Ref_base::has_single_expr() { Common::Assignment *ass = get_refd_assignment(); if (!ass) FATAL_ERROR("Ref_base::has_single_expr()"); for (size_t i = 0; i < subrefs.get_nof_refs(); i++) { FieldOrArrayRef *ref = subrefs.get_ref(i); if (ref->get_type() == FieldOrArrayRef::ARRAY_REF && !ref->get_val()->has_single_expr()) return false; } return true; } void Ref_base::set_code_section( GovernedSimple::code_section_t p_code_section) { for (size_t i = 0; i < subrefs.get_nof_refs(); i++) { FieldOrArrayRef *ref = subrefs.get_ref(i); if (ref->get_type() == FieldOrArrayRef::ARRAY_REF) ref->get_val()->set_code_section(p_code_section); } } void Ref_base::chk_immutability() { Common::Assignment* ass = get_refd_assignment(); switch (ass->get_asstype()) { case Common::Assignment::A_TYPE: /**< type */ case Common::Assignment::A_CONST: /**< value (const) */ case Common::Assignment::A_UNDEF: /**< undefined/undecided (ASN.1) */ case Common::Assignment::A_ERROR: /**< erroneous; the kind cannot be deduced (ASN.1) */ case Common::Assignment::A_OC: /**< information object class (ASN.1) */ case Common::Assignment::A_OBJECT: /**< information object (ASN.1) */ case Common::Assignment::A_OS: /**< information object set (ASN.1) */ case Common::Assignment::A_VS: /**< value set (ASN.1) */ case Common::Assignment::A_EXT_CONST: /**< external constant (TTCN-3) */ case Common::Assignment::A_MODULEPAR: /**< module parameter (TTCN-3) */ case Common::Assignment::A_MODULEPAR_TEMP: /**< template module parameter */ case Common::Assignment::A_VAR: /**< variable (TTCN-3) */ case Common::Assignment::A_EXCEPTION: /**< exception (TTCN-3) */ case Common::Assignment::A_VAR_TEMPLATE: /**< template variable: dynamic template (TTCN-3) */ case Common::Assignment::A_TIMER: /**< timer (TTCN-3) */ case Common::Assignment::A_PORT: /**< port (TTCN-3) */ case Common::Assignment::A_ALTSTEP: /**< altstep (TTCN-3) */ case Common::Assignment::A_TESTCASE: /**< testcase Assignment::(TTCN-3) */ case Common::Assignment::A_PAR_TIMER: /**< formal parameter (timer) (TTCN-3) */ case Common::Assignment::A_PAR_PORT: /**< formal parameter (port) (TTCN-3) */ break; case Common::Assignment::A_TEMPLATE: if (get_parlist() != NULL) { get_parlist()->chk_immutability(); } break; case Common::Assignment::A_FUNCTION: /**< function without return type (TTCN-3) */ case Common::Assignment::A_FUNCTION_RVAL: /**< function that returns a value (TTCN-3) */ case Common::Assignment::A_FUNCTION_RTEMP: /**< function that returns a template (TTCN-3) */ case Common::Assignment::A_EXT_FUNCTION: /**< external function without return type (TTCN-3) */ case Common::Assignment::A_EXT_FUNCTION_RVAL: /**< ext. func that returns a value (TTCN-3) */ case Common::Assignment::A_EXT_FUNCTION_RTEMP: /**< ext. func that returns a template (TTCN-3) */ warning("Function invocation '%s' may change the actual snapshot.", get_dispname().c_str()); break; case Common::Assignment::A_PAR_VAL: /**< formal parameter (value) (TTCN-3) */ case Common::Assignment::A_PAR_VAL_IN: /**< formal parameter (in value) (TTCN-3) */ case Common::Assignment::A_PAR_VAL_OUT: /**< formal parameter (out value) (TTCN-3) */ // TODO: @fuzzy INOUT parameter is not valid case Common::Assignment::A_PAR_VAL_INOUT: /**< formal parameter (inout value) (TTCN-3) */ case Common::Assignment::A_PAR_TEMPL_IN: /**< formal parameter ([in] template) (TTCN-3) */ case Common::Assignment::A_PAR_TEMPL_OUT: /**< formal parameter (out template) (TTCN-3) */ case Common::Assignment::A_PAR_TEMPL_INOUT:/**< formal parameter (inout template) (TTCN-3) */ if (ass->get_eval_type() == FUZZY_EVAL) { warning("Fuzzy parameter '%s' may change (during) the actual snapshot.", get_dispname().c_str()); } break; default: FATAL_ERROR("Ref_base::chk_immutability()"); } } void Ref_base::generate_code_const_ref(expression_struct_t */*expr*/) { FATAL_ERROR("Ref_base::generate_code_const_ref()"); } // ================================= // ===== Reference // ================================= Reference::Reference(const Reference& p) : Ref_base(p), reftype(p.reftype), gen_const_prefix(false), expr_cache(NULL) { params = p.params != NULL ? p.params->clone() : NULL; parlist = p.parlist != NULL ? p.parlist->clone() : NULL; } Reference::Reference(Identifier *p_id) : Ref_base(), reftype(REF_BASIC), parlist(NULL), params(NULL), gen_const_prefix(false), expr_cache(NULL) { subrefs.add(new FieldOrArrayRef(p_id)); } Reference::Reference(reftype_t p_reftype) : Ref_base(), reftype(p_reftype), parlist(NULL), params(NULL), gen_const_prefix(false), expr_cache(NULL) { if (reftype != REF_THIS) { FATAL_ERROR("Ttcn::Reference(): basic or 'super' reference with no ID"); } } Reference::Reference(Identifier *p_modid, Identifier *p_id, ParsedActualParameters *p_params, reftype_t p_reftype) : Ref_base(p_modid, p_id), reftype(p_reftype), parlist(NULL), params(p_params), gen_const_prefix(false), expr_cache(NULL) { if (p_params == NULL) { FATAL_ERROR("Ttcn::Reference::Reference(): NULL parameter"); } } Reference::~Reference() { delete parlist; delete params; Free(expr_cache); } bool Reference::has_parameters() const { return params_checked ? parlist != NULL : params != NULL; } /* Called by: * Common::PortTypeBody::PortTypeBody * Common::Type::Type * Common::TypeMappingTarget::TypeMappingTarget * Common::PatternString::ps_elem_t::chk_ref */ Reference *Reference::clone() const { return new Reference(*this); } void Reference::set_fullname(const string& p_fullname) { Ref_base::set_fullname(p_fullname); if (parlist != NULL) { parlist->set_fullname(p_fullname); } if (params != NULL) { params->set_fullname(p_fullname); } } void Reference::set_my_scope(Scope *p_scope) { Ref_base::set_my_scope(p_scope); if (parlist != NULL) { parlist->set_my_scope(p_scope); } if (params != NULL) { params->set_my_scope(p_scope); } } string Reference::get_dispname() { if (is_erroneous) return string("erroneous"); string ret_val; if (!has_parameters()) { // TODO: simplify if (id) { if (modid) { ret_val += modid->get_dispname(); ret_val += '.'; } ret_val += id->get_dispname(); subrefs.append_stringRepr(ret_val); } else { subrefs.append_stringRepr(ret_val); // cut the leading dot if (!ret_val.empty() && ret_val[0] == '.') ret_val.replace(0, 1, ""); } } else { // has_parameters() if (modid) { ret_val += modid->get_dispname(); ret_val += '.'; } ret_val += id->get_dispname(); ret_val += '('; if (params_checked) { // used after semantic analysis for (size_t i = 0; i < parlist->get_nof_pars(); i++) { if (i > 0) ret_val += ", "; parlist->get_par(i)->append_stringRepr(ret_val); } } else { // used before semantic analysis for (size_t i = 0; i < params->get_nof_tis(); i++) { if (i > 0) ret_val += ", "; params->get_ti_byIndex(i)->append_stringRepr(ret_val); } } ret_val += ')'; subrefs.append_stringRepr(ret_val); } return ret_val; } Common::Assignment* Reference::get_refd_assignment(bool check_parlist) { Common::Assignment *ass = Ref_base::get_refd_assignment(check_parlist); // In fact calls Ref_simple::get_refd_assignment if (ass && check_parlist && !params_checked) { params_checked = true; if (params == NULL) { // tricky: ass->get_FormalParList() can delete this object (e.x. in case of // erroneous recursive templates), avoid touching members for as long as // possible... FormalParList *fplist = ass->get_FormalParList(); if (fplist != NULL) { if (fplist->has_only_default_values() && Common::Assignment::A_TEMPLATE == ass->get_asstype()) { Ttcn::ParsedActualParameters dummy_params; Error_Context cntxt(&dummy_params, "In actual parameter list of %s", ass->get_description().c_str()); parlist = new ActualParList(); is_erroneous = fplist->fold_named_and_chk(&dummy_params, parlist); parlist->set_fullname(get_fullname()); parlist->set_my_scope(my_scope); } else { error("Reference to parameterized definition `%s' without " "actual parameter list", ass->get_id().get_dispname().c_str()); } } } else { // params != NULL if (ass->get_asstype() == Common::Assignment::A_TYPE) { Def_Type* def = dynamic_cast(ass); if (def == NULL) { FATAL_ERROR("Reference::get_refd_assignment"); } Type* type = def->get_Type(); if (type->get_typetype() == Common::Type::T_CLASS) { // if the referred assignment is a class type, then the reference and // its parameters are meant for the constructor instead ass = type->get_class_type_body()->get_constructor(); if (ass == NULL) { return NULL; } } } FormalParList* fplist = ass->get_FormalParList(); if (fplist != NULL) { Error_Context cntxt(params, "In actual parameter list of %s", ass->get_description().c_str()); parlist = new ActualParList(); is_erroneous = fplist->fold_named_and_chk(params, parlist); parlist->set_fullname(get_fullname()); parlist->set_my_scope(my_scope); // the parsed parameter list is no longer needed delete params; params = NULL; } else { params->error("The referenced %s cannot have actual parameters", ass->get_description().c_str()); } } } return ass; } Common::Assignment* Reference::get_refd_assignment_last(bool check_parlist) { Common::Assignment* ass = get_refd_assignment(check_parlist); if (ass != NULL && subrefs.get_nof_refs() != 0) { switch (ass->get_asstype()) { case Common::Assignment::A_VAR: case Common::Assignment::A_EXCEPTION: case Common::Assignment::A_PAR_VAL: case Common::Assignment::A_PAR_VAL_IN: case Common::Assignment::A_PAR_VAL_INOUT: case Common::Assignment::A_PAR_VAL_OUT: { // there could be class objects in the subreferences, which would change // the type of the last assignment Type* type = ass->get_Type(); if (type->get_field_type(&subrefs, Common::Type::EXPECTED_DYNAMIC_VALUE) != NULL) { // subrefs are valid // TODO: EXPECTED_DYNAMIC_VALUE in all cases? for (size_t i = 0; i < subrefs.get_nof_refs(); ++i) { type = type->get_type_refd_last(); FieldOrArrayRef* subref = subrefs.get_ref(i); switch (subref->get_type()) { case FieldOrArrayRef::FIELD_REF: case FieldOrArrayRef::FUNCTION_REF: if (type->get_typetype() == Common::Type::T_CLASS) { ass = type->get_class_type_body()-> get_local_ass_byId(*subref->get_id()); type = ass->get_Type(); } else { type = type->get_comp_byName(*subref->get_id())->get_type(); } break; case FieldOrArrayRef::ARRAY_REF: if (type->is_structured_type()) { type = type->get_ofType(); } break; } } } break; } default: break; } } return ass; } const Identifier* Reference::get_modid() { if (!id) detect_modid(); return modid; } const Identifier* Reference::get_id() { if (!id) detect_modid(); return id; } ActualParList* Reference::get_parlist() { return parlist; } Type *Reference::chk_variable_ref() { Common::Assignment *t_ass = get_refd_assignment(); if (!t_ass) return 0; switch (t_ass->get_asstype()) { case Common::Assignment::A_PAR_VAL_IN: t_ass->use_as_lvalue(*this); // no break case Common::Assignment::A_VAR: case Common::Assignment::A_EXCEPTION: case Common::Assignment::A_PAR_VAL_OUT: case Common::Assignment::A_PAR_VAL_INOUT: if (has_parameters()) { error("Reference without actual parameter list was expected"); return NULL; } break; default: error("Reference to a variable or value parameter was " "expected instead of %s", t_ass->get_description().c_str()); return NULL; } FieldOrArrayRefs *t_subrefs = get_subrefs(); Type *ret_val = t_ass->get_Type()->get_field_type(t_subrefs, Type::EXPECTED_DYNAMIC_VALUE); if (ret_val && t_subrefs && t_subrefs->refers_to_string_element()) { error("Reference to a string element of type `%s' cannot be used in " "this context", ret_val->get_typename().c_str()); } return ret_val; } Type *Reference::chk_comptype_ref() { Common::Assignment *ass = get_refd_assignment(); if (ass) { if (ass->get_asstype() == Common::Assignment::A_TYPE) { Type *t = ass->get_Type()->get_type_refd_last(); switch (t->get_typetype()) { case Type::T_ERROR: // remain silent break; case Type::T_COMPONENT: if (has_parameters()) { error("Reference without actual parameter list was expected"); } else { return t; } break; default: error("Reference `%s' does not refer to a component type", get_dispname().c_str()); } } else { error("Reference `%s' does not refer to a type", get_dispname().c_str()); } } return 0; } bool Reference::chk_activate_argument() { Common::Assignment *t_ass = get_refd_assignment(); if (!has_parameters()) { error("Reference with actual parameter list was expected in the argument"); return false; } if (!t_ass) return false; if (t_ass->get_asstype() != Common::Assignment::A_ALTSTEP) { error("Reference to an altstep was expected in the argument instead of " "%s", t_ass->get_description().c_str()); return false; } my_scope->chk_runs_on_clause(t_ass, *this, "activate"); // the altstep reference cannot have sub-references if (get_subrefs()) FATAL_ERROR("Reference::chk_activate_argument()"); FormalParList *fp_list = t_ass->get_FormalParList(); // the altstep must have formal parameter list if (!fp_list) FATAL_ERROR("Reference::chk_activate_argument()"); return fp_list->chk_activate_argument(parlist, t_ass->get_description().c_str()); } bool Reference::has_single_expr() { if (!Ref_base::has_single_expr()) { return false; } if (reftype == REF_THIS && id == NULL) { return false; } Common::Assignment* ass = get_refd_assignment(); if (subrefs.has_function_ref()) { Common::Assignment* last_method = NULL; Type* field_type = ass->get_Type()->get_field_type(&subrefs, Common::Type::EXPECTED_DYNAMIC_VALUE, NULL, false, &last_method); if (field_type != NULL && field_type->get_type_refd_last()->get_typetype() == Common::Type::T_CLASS) { return false; } } if (parlist != NULL) { const FormalParList* fplist = (ass != NULL) ? ass->get_FormalParList() : NULL; for (size_t i = 0; i < parlist->get_nof_pars(); i++) { if (!parlist->get_par(i)->has_single_expr( fplist != NULL ? fplist->get_fp_byIndex(i) : NULL)) { return false; } } if (fplist != NULL) { size_t num_formal = fplist->get_nof_fps(); for (size_t i = 0; i < num_formal; ++i) { const FormalPar *fp = fplist->get_fp_byIndex(i); if (fp->get_eval_type() != NORMAL_EVAL) { return false; } } } } for (size_t i = 0; i < subrefs.get_nof_refs(); ++i) { FieldOrArrayRef* subref = subrefs.get_ref(i); if (subref->get_type() == FieldOrArrayRef::FUNCTION_REF) { ActualParList* ap_list = subref->get_actual_par_list(); FormalParList* fp_list = subref->get_formal_par_list(); for (size_t j = 0; j < ap_list->get_nof_pars(); ++j) { if (!ap_list->get_par(j)->has_single_expr( fp_list != NULL ? fp_list->get_fp_byIndex(i) : NULL)) { return false; } } } } return true; } void Reference::ref_usage_found() { Common::Assignment *ass = get_refd_assignment(); if (!ass) FATAL_ERROR("Reference::ref_usage_found()"); switch (ass->get_asstype()) { case Common::Assignment::A_PAR_VAL_OUT: case Common::Assignment::A_PAR_TEMPL_OUT: case Common::Assignment::A_PAR_VAL: case Common::Assignment::A_PAR_VAL_IN: case Common::Assignment::A_PAR_VAL_INOUT: case Common::Assignment::A_PAR_TEMPL_IN: case Common::Assignment::A_PAR_TEMPL_INOUT: case Common::Assignment::A_PAR_PORT: case Common::Assignment::A_PAR_TIMER: { FormalPar *fpar = dynamic_cast(ass); if (fpar == NULL) { FATAL_ERROR("Reference::ref_usage_found()"); } fpar->set_usage_found(); break; } case Common::Assignment::A_EXT_CONST: { Def_ExtConst* def = dynamic_cast(ass); if (def == NULL) { FATAL_ERROR("Reference::ref_usage_found()"); } def->set_usage_found(); break; } default: break; } } void Reference::use_default_alternative(const Identifier& p_alt_name) { FieldOrArrayRef* alt_ref = new FieldOrArrayRef(new Identifier(p_alt_name)); alt_ref->set_my_scope(my_scope); alt_ref->set_fullname(get_fullname() + "."); subrefs.add(alt_ref); } void Reference::set_code_section( GovernedSimple::code_section_t p_code_section) { Ref_base::set_code_section(p_code_section); if (parlist != NULL) { for (size_t i = 0; i < parlist->get_nof_pars(); i++) { parlist->get_par(i)->set_code_section(p_code_section); } } } void Reference::generate_code(expression_struct_t *expr) { ref_usage_found(); Common::Assignment *ass = get_refd_assignment(); if (!ass) FATAL_ERROR("Reference::generate_code()"); if (reftype == REF_THIS) { if (id != NULL) { expr->expr = mputstr(expr->expr, "this->"); } else { // no 'id' means it's just a 'this' reference string tmp_id = my_scope->get_scope_mod_gen()->get_temporary_id(); expr->preamble = mputprintf(expr->preamble, "%s %s(this);\n", ass->get_Type()->get_genname_value(my_scope).c_str(), tmp_id.c_str()); expr->expr = mputprintf(expr->expr, "%s", tmp_id.c_str()); return; } } else if (reftype == REF_SUPER) { Common::Type* base_type = my_scope->get_scope_class()->get_base_type()-> get_type_refd_last(); expr->expr = mputprintf(expr->expr, "%s::", base_type->get_class_type_body()->is_built_in() ? "OBJECT" : base_type->get_genname_own(my_scope).c_str()); } string const_prefix; // empty by default string exception_postfix; // also empty by default if (gen_const_prefix) { if (ass->get_asstype() == Common::Assignment::A_CONST) { const_prefix = "const_"; } else if (ass->get_asstype() == Common::Assignment::A_TEMPLATE) { const_prefix = "template_"; } } if (ass->get_asstype() == Common::Assignment::A_EXCEPTION) { exception_postfix = "()"; } if (parlist != NULL) { expr->expr = mputprintf(expr->expr, "%s(", ass->get_genname_from_scope(my_scope).c_str()); parlist->generate_code_alias(expr, ass->get_FormalParList(), ass->get_RunsOnType(), false); expr->expr = mputc(expr->expr, ')'); } else { expr->expr = mputstr(expr->expr, LazyFuzzyParamData::in_lazy_or_fuzzy() ? LazyFuzzyParamData::add_ref_genname(ass, my_scope).c_str() : (const_prefix + ass->get_genname_from_scope(my_scope) + exception_postfix).c_str()); } if (subrefs.get_nof_refs() > 0) subrefs.generate_code(expr, ass, my_scope); } void Reference::generate_code_const_ref(expression_struct_t *expr) { FieldOrArrayRefs *t_subrefs = get_subrefs(); if (!t_subrefs || t_subrefs->get_nof_refs() == 0) { generate_code(expr); return; } ref_usage_found(); Common::Assignment *ass = get_refd_assignment(); if (!ass) FATAL_ERROR("Reference::generate_code_const_ref()"); bool is_template; switch (ass->get_asstype()) { case Common::Assignment::A_MODULEPAR: case Common::Assignment::A_VAR: case Common::Assignment::A_EXCEPTION: case Common::Assignment::A_PAR_VAL: case Common::Assignment::A_PAR_VAL_IN: case Common::Assignment::A_PAR_VAL_OUT: case Common::Assignment::A_PAR_VAL_INOUT: { is_template = false; break; } case Common::Assignment::A_MODULEPAR_TEMP: case Common::Assignment::A_VAR_TEMPLATE: case Common::Assignment::A_PAR_TEMPL_IN: case Common::Assignment::A_PAR_TEMPL_OUT: case Common::Assignment::A_PAR_TEMPL_INOUT: { is_template = true; break; } case Common::Assignment::A_TEMPLATE: if (ass->get_FormalParList() == NULL) { // not a parameterized template is_template = true; break; } // else fall through default: generate_code(expr); return; } Type *refd_gov = ass->get_Type(); if (refd_gov == NULL) { generate_code(expr); return; } // use a separate expression struct for this reference in case any of the // subreferences need to convert the object further expression_struct_t this_expr; Code::init_expr(&this_expr); if (is_template) { this_expr.expr = mputprintf(this_expr.expr, "const_cast< const %s&>(", refd_gov->get_genname_template(get_my_scope()).c_str() ); } else { // don't convert to const object if the base reference is of class type if (refd_gov->get_type_refd_last()->get_typetype() != Common::Type::T_CLASS) { this_expr.expr = mputprintf(this_expr.expr, "const_cast< const %s&>(", refd_gov->get_genname_value(get_my_scope()).c_str()); } } string exception_postfix; if (ass->get_asstype() == Common::Assignment::A_EXCEPTION) { exception_postfix = "()"; } if (parlist != NULL) { // reference without parameters to a template that has only default formal parameters. // if @lazy: nothing to do, it's a C++ function call just like in case of Ref_pard::generate_code() this_expr.expr = mputprintf(this_expr.expr, "%s(", ass->get_genname_from_scope(my_scope).c_str()); parlist->generate_code_alias(&this_expr, ass->get_FormalParList(), ass->get_RunsOnType(), false); this_expr.expr = mputc(this_expr.expr, ')'); } else { this_expr.expr = mputstr(this_expr.expr, LazyFuzzyParamData::in_lazy_or_fuzzy() ? LazyFuzzyParamData::add_ref_genname(ass, my_scope).c_str() : (ass->get_genname_from_scope(my_scope) + exception_postfix).c_str()); } if (refd_gov->get_type_refd_last()->get_typetype() != Common::Type::T_CLASS) { this_expr.expr = mputstr(this_expr.expr, ")"); } t_subrefs->generate_code(&this_expr, ass, my_scope, true); if (this_expr.preamble != NULL) { expr->preamble = mputstr(expr->preamble, this_expr.preamble); } Common::Assignment* last_method = NULL; Type* field_type = refd_gov->get_field_type(t_subrefs, Common::Type::EXPECTED_DYNAMIC_VALUE, NULL, false, &last_method); if (field_type != NULL && t_subrefs->has_function_ref() && field_type->get_type_refd_last()->get_typetype() == Common::Type::T_CLASS) { // If the reference contains a class method call, then the end result is a temporary // object in C++. If it's of a class type, then the C++ compiler can't automatically // convert the temporary object to a constant reference of a base class (in case the // reference is used as an 'in' actual parameter). // For safety, the end result is copied in these cases. string tmp_str = my_scope->get_scope_mod_gen()->get_temporary_id(); expr->preamble = mputprintf(expr->preamble, "%s %s(%s);\n", field_type->get_genname_value(my_scope).c_str(), tmp_str.c_str(), this_expr.expr); if (this_expr.postamble != NULL) { expr->preamble = mputstr(expr->preamble, this_expr.postamble); } expr->expr = mputstr(expr->expr, tmp_str.c_str()); } else { expr->expr = mputstr(expr->expr, this_expr.expr); if (this_expr.postamble != NULL) { expr->postamble = mputstr(expr->postamble, this_expr.postamble); } } Code::free_expr(&this_expr); } void Reference::generate_code_portref(expression_struct_t *expr, Scope *p_scope) { ref_usage_found(); Common::Assignment *ass = get_refd_assignment(); if (!ass) FATAL_ERROR("Reference::generate_code_portref()"); expr->expr = mputstr(expr->expr, ass->get_genname_from_scope(p_scope).c_str()); if (subrefs.get_nof_refs() > 0) subrefs.generate_code(expr, ass, my_scope); } //FIXME quick hack void Reference::generate_code_ispresentboundchosen(expression_struct_t *expr, bool is_template, const Value::operationtype_t optype, const char* field) { ref_usage_found(); Common::Assignment *ass = get_refd_assignment(); const string& ass_id = ass->get_genname_from_scope(my_scope); const char *ass_id_str = ass_id.c_str(); expression_struct_t t; Code::init_expr(&t); // Generate the default parameters if needed if (parlist) { parlist->generate_code_alias(&t, ass->get_FormalParList(), ass->get_RunsOnType(), false); } string ass_id2 = ass_id; if (t.preamble != NULL) { expr->preamble = mputstr(expr->preamble, t.preamble); } if (t.expr != NULL) { ass_id2 = ass_id2 + "(" + t.expr + ")"; ass_id_str = ass_id2.c_str(); } Code::free_expr(&t); if (subrefs.get_nof_refs() > 0) { const string& tmp_generalid = my_scope->get_scope_mod_gen() ->get_temporary_id(); const char *tmp_generalid_str = tmp_generalid.c_str(); expression_struct isbound_expr; Code::init_expr(&isbound_expr); isbound_expr.preamble = mputprintf(isbound_expr.preamble, "boolean %s = %s.is_bound();\n", tmp_generalid_str, ass_id_str); namedbool p_optype; if (optype == Value::OPTYPE_ISBOUND) { p_optype = ISBOUND; } else if (optype == Value::OPTYPE_ISPRESENT) { p_optype = ISPRESENT; } else if (optype == Value::OPTYPE_ISCHOSEN_T || optype == Value::OPTYPE_ISCHOSEN_V) { p_optype = ISCHOSEN; } else if (optype == Value::OPTYPE_ISVALUE) { p_optype = ISVALUE; } else { FATAL_ERROR("AST_ttcn3.cc::generate_code_ispresentboundchosen()"); } ass->get_Type()->generate_code_ispresentboundchosen(&isbound_expr, &subrefs, my_scope->get_scope_mod_gen(), tmp_generalid, ass_id2, is_template, p_optype, field); expr->preamble = mputstr(expr->preamble, isbound_expr.preamble); expr->preamble = mputstr(expr->preamble, isbound_expr.expr); Code::free_expr(&isbound_expr); expr->expr = mputprintf(expr->expr, "%s", tmp_generalid_str); } else { expr->expr = mputprintf(expr->expr, "%s.", ass_id_str); switch (optype) { case Value::OPTYPE_ISBOUND: expr->expr = mputstr(expr->expr, "is_bound()"); break; case Value::OPTYPE_ISPRESENT: expr->expr = mputprintf(expr->expr, "is_present(%s)", is_template && omit_in_value_list ? "TRUE" : ""); break; case Value::OPTYPE_ISCHOSEN_T: case Value::OPTYPE_ISCHOSEN_V: expr->expr = mputprintf(expr->expr, "ischosen(%s)", field); break; case Value::OPTYPE_ISVALUE: expr->expr = mputprintf(expr->expr, "is_value()"); break; default: FATAL_ERROR("AST_ttcn3.cc::generate_code_ispresentboundchosen()"); } } } void Reference::generate_code_cached(expression_struct_t *expr) { if (expr_cache) { expr->expr = mputstr(expr->expr, expr_cache); } else { generate_code(expr); expr_cache = mputstr(expr_cache, expr->expr); } } void Reference::detect_modid() { // do nothing if detection is already performed if (id || reftype == REF_THIS) return; // the first element of subrefs must be an const Identifier *first_id = subrefs.get_ref(0)->get_id(), *second_id = 0; const ParsedActualParameters* second_params = 0; if (subrefs.get_nof_refs() > 1) { FieldOrArrayRef *second_ref = subrefs.get_ref(1); if (second_ref->get_type() != FieldOrArrayRef::ARRAY_REF) { // the reference begins with . or .() // (most complicated case); there are 3 possible situations: // 1. first_id points to a local definition (this has the priority) // modid: 0, id: first_id // 2. first_id points to an imported module (trivial case) // modid: first_id, id: second_id // 3. none of the above (first_id might be an imported symbol) // modid: 0, id: first_id // Note: Rule 1 has the priority because it can be overridden using // the notation .objid { ... }. or .objid { ... }.() // (modid and id are set in the constructor), but there is no work-around // in the reverse way. if (!my_scope->has_ass_withId(*first_id) && my_scope->is_valid_moduleid(*first_id)) { // rule 1 is not fulfilled, but rule 2 is fulfilled second_id = second_ref->get_id(); if (second_ref->get_type() == FieldOrArrayRef::FUNCTION_REF) { // .() case second_params = second_ref->get_parsed_pars(); } } } // else: the reference begins with [] -> there is no modid } // else: the reference consists of a single -> there is no modid if (second_id) { modid = first_id->clone(); id = second_id->clone(); if (second_params != 0) { params = second_params->clone(); params->set_fullname(second_params->get_fullname()); params->set_my_scope(second_params->get_my_scope()); } subrefs.remove_refs(2); } else { modid = 0; id = first_id->clone(); subrefs.remove_refs(1); } } // ================================= // ===== NameBridgingScope // ================================= string NameBridgingScope::get_scopeMacro_name() const { if (scopeMacro_name.empty()) FATAL_ERROR("NameBridgingScope::get_scopeMacro_name()"); return scopeMacro_name; } NameBridgingScope *NameBridgingScope::clone() const { FATAL_ERROR("NameBridgingScope::clone"); } Common::Assignment* NameBridgingScope::get_ass_bySRef(Ref_simple *p_ref) { return get_parent_scope()->get_ass_bySRef(p_ref); } bool NameBridgingScope::is_class_scope() const { if (parent_scope == NULL) { FATAL_ERROR("NameBridgingScope::is_class_scope()"); } return parent_scope->is_class_scope(); } // ================================= // ===== RunsOnScope // ================================= RunsOnScope::RunsOnScope(Type *p_comptype) : Scope(), component_type(p_comptype) { if (!p_comptype || p_comptype->get_typetype() != Type::T_COMPONENT) FATAL_ERROR("RunsOnScope::RunsOnScope()"); component_type->set_ownertype(Type::OT_RUNSON_SCOPE, this); component_defs = p_comptype->get_CompBody(); set_scope_name("runs on `" + p_comptype->get_fullname() + "'"); } RunsOnScope *RunsOnScope::clone() const { FATAL_ERROR("RunsOnScope::clone()"); } void RunsOnScope::chk_uniq() { // do not perform this check if the component type is defined in the same // module as the 'runs on' clause if (parent_scope->get_scope_mod() == component_defs->get_scope_mod()) return; size_t nof_defs = component_defs->get_nof_asss(); for (size_t i = 0; i < nof_defs; i++) { Common::Assignment *comp_def = component_defs->get_ass_byIndex(i); const Identifier& id = comp_def->get_id(); if (parent_scope->has_ass_withId(id)) { comp_def->warning("Imported component element definition `%s' hides a " "definition at module scope", comp_def->get_fullname().c_str()); Reference ref(0, id.clone()); Common::Assignment *hidden_ass = parent_scope->get_ass_bySRef(&ref); hidden_ass->warning("Hidden definition `%s' is here", hidden_ass->get_fullname().c_str()); } } } RunsOnScope *RunsOnScope::get_scope_runs_on() { return this; } Common::Assignment *RunsOnScope::get_ass_bySRef(Ref_simple *p_ref) { if (!p_ref) FATAL_ERROR("Ttcn::RunsOnScope::get_ass_bySRef()"); if (p_ref->get_modid() || p_ref->get_reftype() != Ref_simple::REF_BASIC) { return parent_scope->get_ass_bySRef(p_ref); } else { const Identifier& id = *p_ref->get_id(); if (component_defs->has_local_ass_withId(id)) { Common::Assignment* ass = component_defs->get_local_ass_byId(id); if (!ass) FATAL_ERROR("Ttcn::RunsOnScope::get_ass_bySRef()"); if (component_defs->is_own_assignment(ass)) return ass; else if (ass->get_visibility() == PUBLIC) { return ass; } p_ref->error("The member definition `%s' in component type `%s'" " is not visible in this scope", id.get_dispname().c_str(), component_defs->get_id()->get_dispname().c_str()); return 0; } else return parent_scope->get_ass_bySRef(p_ref); } } bool RunsOnScope::has_ass_withId(const Identifier& p_id) { return component_defs->has_ass_withId(p_id) || parent_scope->has_ass_withId(p_id); } // ================================= // ===== PortScope // ================================= PortScope::PortScope(Type *p_porttype) : Scope(), port_type(p_porttype) { if (!p_porttype || p_porttype->get_typetype() != Type::T_PORT) FATAL_ERROR("PortScope::PortScope()"); port_type->set_ownertype(Type::OT_PORT_SCOPE, this); PortTypeBody* ptb = p_porttype->get_PortBody(); if (!ptb) FATAL_ERROR("PortScope::PortScope()"); vardefs = ptb->get_vardefs(); set_scope_name("port `" + p_porttype->get_fullname() + "'"); } PortScope *PortScope::clone() const { FATAL_ERROR("PortScope::clone()"); } void PortScope::chk_uniq() { if (!vardefs) return; if (vardefs->get_nof_asss() == 0) return; // do not perform this check if the port type is defined in the same // module as the 'port' clause if (parent_scope->get_scope_mod() == vardefs->get_scope_mod()) return; size_t nof_defs = vardefs->get_nof_asss(); for (size_t i = 0; i < nof_defs; i++) { Common::Assignment *vardef = vardefs->get_ass_byIndex(i); const Identifier& id = vardef->get_id(); if (parent_scope->has_ass_withId(id)) { vardef->warning("Imported port element definition `%s' hides a " "definition at module scope", vardef->get_fullname().c_str()); Reference ref(0, id.clone()); Common::Assignment *hidden_ass = parent_scope->get_ass_bySRef(&ref); hidden_ass->warning("Hidden definition `%s' is here", hidden_ass->get_fullname().c_str()); } } } PortScope *PortScope::get_scope_port() { return this; } Common::Assignment *PortScope::get_ass_bySRef(Ref_simple *p_ref) { if (!p_ref) FATAL_ERROR("Ttcn::PortScope::get_ass_bySRef()"); if (p_ref->get_modid()) return parent_scope->get_ass_bySRef(p_ref); else { const Identifier& id = *p_ref->get_id(); if (vardefs->has_local_ass_withId(id)) { Common::Assignment* ass = vardefs->get_local_ass_byId(id); if (!ass) FATAL_ERROR("Ttcn::PortScope::get_ass_bySRef()"); return ass; } else return parent_scope->get_ass_bySRef(p_ref); } } bool PortScope::has_ass_withId(const Identifier& p_id) { return vardefs->has_ass_withId(p_id) || parent_scope->has_ass_withId(p_id); } // ================================= // ===== FriendMod // ================================= FriendMod::FriendMod(Identifier *p_modid) : Node(), modid(p_modid), w_attrib_path(0), parentgroup(0), checked(false) { if (!p_modid) FATAL_ERROR("NULL parameter: Ttcn::FriendMod::FriendMod()"); set_fullname("."+modid->get_dispname()); } FriendMod::~FriendMod() { delete modid; delete w_attrib_path; } FriendMod *FriendMod::clone() const { FATAL_ERROR("Ttcn::FriendMod::clone()"); } void FriendMod::set_fullname(const string& p_fullname) { if(w_attrib_path) w_attrib_path->set_fullname(p_fullname + "."); } void FriendMod::chk() { if (checked) return; Error_Context cntxt(this, "In friend module declaration"); if (w_attrib_path) { w_attrib_path->chk_global_attrib(); w_attrib_path->chk_no_qualif(); } checked = true; } void FriendMod::set_with_attr(MultiWithAttrib* p_attrib) { if (w_attrib_path) FATAL_ERROR("FriendMod::set_with_attr()"); w_attrib_path = new WithAttribPath(); if (p_attrib && p_attrib->get_nof_elements() > 0) { w_attrib_path->set_with_attr(p_attrib); } } WithAttribPath* FriendMod::get_attrib_path() { if (!w_attrib_path) w_attrib_path = new WithAttribPath(); return w_attrib_path; } void FriendMod::set_parent_path(WithAttribPath* p_path) { if (!w_attrib_path) w_attrib_path = new WithAttribPath(); w_attrib_path->set_parent(p_path); } void FriendMod::set_parent_group(Group* p_group) { if(parentgroup) FATAL_ERROR("FriendMod::set_parent_group"); parentgroup = p_group; } // ================================= // ===== ImpMod // ================================= ImpMod::ImpMod(Identifier *p_modid) : Node(), mod(0), my_mod(0), imptype(I_UNDEF), modid(p_modid), language_spec(0), is_recursive(false), w_attrib_path(0), parentgroup(0), visibility(PRIVATE) { if (!p_modid) FATAL_ERROR("NULL parameter: Ttcn::ImpMod::ImpMod()"); set_fullname("." + modid->get_dispname()); } ImpMod::~ImpMod() { delete modid; delete language_spec; delete w_attrib_path; } ImpMod *ImpMod::clone() const { FATAL_ERROR("No clone for you!"); } void ImpMod::set_fullname(const string& p_fullname) { if(w_attrib_path) w_attrib_path->set_fullname(p_fullname + "."); } void ImpMod::chk() { if (w_attrib_path) { w_attrib_path->chk_global_attrib(); w_attrib_path->chk_no_qualif(); } } void ImpMod::chk_imp(ReferenceChain& refch, vector& moduleStack) { if (imptype == I_DEPENDENCY) { // these are added during semantic analysis, including their module pointer return; } Error_Context cntxt(this, "In import definition"); if (!modules->has_mod_withId(*modid)) { error("There is no module with identifier `%s'", modid->get_dispname().c_str()); return; } Common::Module *m = modules->get_mod_byId(*modid); if (m == NULL) return; set_mod(m); if (m == my_mod) { error("A module cannot import from itself"); return; } chk(); moduleStack.add(m); refch.mark_state(); if (refch.exists(my_mod->get_fullname())) { if(my_mod->get_moduletype()!=Common::Module::MOD_ASN){ // Do not warning for circular import in ASN.1 module. It is legal my_mod->warning("Circular import chain is not recommended: %s", refch.get_dispstr(my_mod->get_fullname()).c_str()); } refch.prev_state(); return; } else { refch.add(my_mod->get_fullname()); if (ImpMod::I_IMPORTIMPORT == imptype){ Ttcn::Module* ttcnmodule =static_cast(m); const Imports& imp = ttcnmodule->get_imports(); for (size_t t = 0; t < imp.impmods_v.size(); t++) { const ImpMod *im = imp.impmods_v[t]; refch.mark_state(); if (PRIVATE != im->get_visibility()) { if (refch.exists(m->get_fullname())) { if(m->get_moduletype()!=Common::Module::MOD_ASN){ // Do not warn for circular import in ASN.1 module. It is legal m->warning("Circular import chain is not recommended: %s", refch.get_dispstr(m->get_fullname()).c_str()); } refch.prev_state(); continue; } else { const Identifier& im_id = im->get_modid(); Common::Module *cm = modules->get_mod_byId(im_id); // never NULL refch.add(m->get_fullname()); cm->chk_imp(refch, moduleStack); } } refch.prev_state(); } } else { //refch.mark_state(); m->chk_imp(refch, moduleStack); //refch.prev_state(); } } refch.prev_state(); size_t state=moduleStack.size(); moduleStack.replace(state, moduleStack.size() - state); } bool ImpMod::has_imported_def(const Identifier& p_source_modid, const Identifier& p_id, const Location *loc) const { if (!mod) return false; else { switch (imptype) { case I_ALL: case I_IMPORTSPEC: { Common::Assignment* return_assignment = mod->importAssignment(p_source_modid, p_id); if (return_assignment != NULL) { return true; } else { return false; } break; } case I_IMPORTIMPORT: { Ttcn::Module *tm = static_cast(mod); // B const Imports & imps = tm->get_imports(); vector tempusedImpMods; for (size_t i = 0, num = imps.impmods_v.size(); i < num; ++i) { ReferenceChain* referencechain = new ReferenceChain(this, "NEW IMPORT REFERNCECHAIN"); Common::Assignment* return_assignment = imps.impmods_v[i]-> get_imported_def(p_source_modid, p_id, loc, referencechain, tempusedImpMods); // C referencechain->reset(); delete referencechain; if (return_assignment != NULL) { return true; } else { return false; } } //satisfy destructor tempusedImpMods.clear(); break; } case I_DEPENDENCY: return false; default: FATAL_ERROR("ImpMod::get_imported_def"); } } return false; } Common::Assignment *ImpMod::get_imported_def( const Identifier& p_source_modid, const Identifier& p_id, const Location *loc, ReferenceChain* refch, vector& usedImpMods) const { if (!mod) return 0; else { Common::Assignment* result = NULL; switch (imptype) { case I_ALL: case I_IMPORTSPEC: result = mod->importAssignment(p_source_modid, p_id); if (result != NULL) { usedImpMods.add(const_cast(this)); } return result; break; case I_IMPORTIMPORT: { Ttcn::Module *tm = static_cast(mod); const Imports & imps = tm->get_imports(); Common::Assignment* t_ass = NULL; for (size_t i = 0, num = imps.impmods_v.size(); i < num; ++i) { vector tempusedImpMods; refch->mark_state(); if (imps.impmods_v[i]->get_visibility() == PUBLIC) { t_ass = imps.impmods_v[i]->get_imported_def(p_source_modid, p_id, loc, refch, tempusedImpMods ); } else if (imps.impmods_v[i]->get_visibility() == FRIEND) { t_ass = imps.impmods_v[i]->get_imported_def(p_source_modid, p_id, loc, refch, tempusedImpMods ); if (t_ass != NULL){ tempusedImpMods.add(imps.impmods_v[i]); } } refch->prev_state(); if (t_ass != NULL) { bool visible = true; for (size_t j = 0; j < tempusedImpMods.size(); j++) { ImpMod* impmod_l = tempusedImpMods[j]; //check whether the module is TTCN if (impmod_l->get_mod()->get_moduletype() == Common::Module::MOD_TTCN) { // cast to ttcn module Ttcn::Module *ttcn_m = static_cast(impmod_l->get_mod()); if (!ttcn_m->is_visible(mod->get_modid(), impmod_l->get_visibility())) { visible= false; } } } if (visible) { for (size_t t = 0; i< tempusedImpMods.size(); i++) { usedImpMods.add(tempusedImpMods[t]); } if (!result) { result = t_ass; } else if(result != t_ass) { if (loc == NULL) { result = NULL; } else { loc->error( "It is not possible to resolve the reference unambiguously" ", as it can be resolved to `%s' and to `%s'", result->get_fullname().c_str(), t_ass->get_fullname().c_str()); } } } t_ass = NULL; } tempusedImpMods.clear(); } if (result != NULL) { usedImpMods.add(const_cast(this)); } return result; break; } case I_DEPENDENCY: return NULL; default: FATAL_ERROR("ImpMod::get_imported_def"); } } } void ImpMod::set_language_spec(const char *p_language_spec) { if (language_spec) FATAL_ERROR("ImpMod::set_language_spec()"); if (p_language_spec) language_spec = new string(p_language_spec); } void ImpMod::generate_code(output_struct *target) { const char *module_name = modid->get_name().c_str(); target->header.includes = mputprintf(target->header.includes, "#include \"%s.hh\"\n", duplicate_underscores ? module_name : modid->get_ttcnname().c_str()); target->functions.pre_init = mputprintf(target->functions.pre_init, "%s%s.pre_init_module();\n", module_name, "::module_object"); if (mod->get_moduletype() == Common::Module::MOD_TTCN) { target->functions.post_init = mputprintf(target->functions.post_init, "%s%s.post_init_module();\n", module_name, "::module_object"); } } void ImpMod::dump(unsigned level) const { DEBUG(level, "Import from module %s", modid->get_dispname().c_str()); if (w_attrib_path) { MultiWithAttrib *attrib = w_attrib_path->get_with_attr(); if (attrib) { DEBUG(level + 1, "Attributes:"); attrib->dump(level + 2); } } } void ImpMod::set_with_attr(MultiWithAttrib* p_attrib) { if (w_attrib_path) FATAL_ERROR("ImpMod::set_with_attr()"); w_attrib_path = new WithAttribPath(); if (p_attrib && p_attrib->get_nof_elements() > 0) { w_attrib_path->set_with_attr(p_attrib); } } WithAttribPath* ImpMod::get_attrib_path() { if (!w_attrib_path) w_attrib_path = new WithAttribPath(); return w_attrib_path; } void ImpMod::set_parent_path(WithAttribPath* p_path) { if (!w_attrib_path) w_attrib_path = new WithAttribPath(); w_attrib_path->set_parent(p_path); } void ImpMod::set_parent_group(Group* p_group) { if(parentgroup) FATAL_ERROR("ImpMod::set_parent_group"); parentgroup = p_group; } // ================================= // ===== Imports // ================================= Imports::~Imports() { for (size_t i = 0; i< impmods_v.size(); i++) delete impmods_v[i]; impmods_v.clear(); } Imports *Imports::clone() const { FATAL_ERROR("Ttcn::Imports::clone()"); } void Imports::add_impmod(ImpMod *p_impmod) { if (!p_impmod) FATAL_ERROR("Ttcn::Imports::add_impmod()"); if (p_impmod->get_imptype() == ImpMod::I_DEPENDENCY) { // this is just an extra dependency, not an actual 'import' in TTCN-3 code, // only insert it if it's needed for (size_t i = 0; i < impmods_v.size(); ++i) { if (p_impmod->get_mod() == impmods_v[i]->get_mod()) { delete p_impmod; return; } } } impmods_v.add(p_impmod); p_impmod->set_my_mod(my_mod); } void Imports::set_my_mod(Module *p_mod) { my_mod = p_mod; for(size_t i = 0; i < impmods_v.size(); i++) impmods_v[i]->set_my_mod(my_mod); } bool Imports::has_impmod_withId(const Identifier& p_id) const { for (size_t i = 0, size = impmods_v.size(); i < size; ++i) { const ImpMod* im = impmods_v[i]; const Identifier& im_id = im->get_modid(); const string& im_name = im_id.get_name(); if (p_id.get_name() == im_name) { // The identifier represents a module imported in the current module return true; } } return false; } void Imports::chk_imp(ReferenceChain& refch, vector& moduleStack) { if (impmods_v.size() <= 0) return; if (!my_mod) FATAL_ERROR("Ttcn::Imports::chk_imp()"); checked = true; //Do some checks for(size_t n = 0; n < impmods_v.size(); n++) { impmods_v[n]->chk(); } //TODO this whole thing should be moved into impmod::chk Identifier address_id(Identifier::ID_TTCN, string("address")); for (size_t n = 0; n < impmods_v.size(); n++) { ImpMod *im = impmods_v[n]; im->chk_imp(refch, moduleStack); const Identifier& im_id = im->get_modid(); Common::Module *m = modules->get_mod_byId(im_id); if (m == NULL) continue; if (m->get_gen_code()) my_mod->set_gen_code(); } // next assignment } bool Imports::has_imported_def(const Identifier& p_id, const Location *loc) const { for (size_t n = 0; n < impmods_v.size(); n++) { ImpMod *im = impmods_v[n]; bool return_bool = im->has_imported_def(my_mod->get_modid(), p_id, loc); if (return_bool) return true; } return false; } Common::Assignment *Imports::get_imported_def( const Identifier& p_source_modid, const Identifier& p_id, const Location *loc, ReferenceChain* refch) { vector tempusedImpMods; Common::Assignment* result = NULL; for (size_t n = 0; n < impmods_v.size(); n++) { ImpMod *im = impmods_v[n]; refch->mark_state(); Common::Assignment* ass = im->get_imported_def( p_source_modid, p_id, loc, refch, tempusedImpMods); tempusedImpMods.clear(); refch->prev_state(); if(ass) { if (!result) { result = ass; } else if(result != ass && loc) { if(loc == NULL) { result = NULL; } else { loc->error( "It is not possible to resolve the reference unambiguously" ", as it can be resolved to `%s' and to `%s'", result->get_fullname().c_str(), ass->get_fullname().c_str()); } } } } return result; } void Imports::get_imported_mods(Module::module_set_t& p_imported_mods) const { for (size_t i = 0; i < impmods_v.size(); i++) { ImpMod *im = impmods_v[i]; Common::Module *m = im->get_mod(); if (!m) continue; if (!p_imported_mods.has_key(m)) { p_imported_mods.add(m, 0); m->get_visible_mods(p_imported_mods); } } } void Imports::generate_code(output_struct *target) { target->header.includes = mputstr(target->header.includes, "#include \n"); for (size_t i = 0; i < impmods_v.size(); i++) { ImpMod *im = impmods_v[i]; Common::Module *m = im->get_mod(); // inclusion of m's header file can be eliminated if we find another // imported module that imports m bool covered = false; for (size_t j = 0; j < impmods_v.size(); j++) { // skip over the same import definition if (j == i) continue; ImpMod *im2 = impmods_v[j]; Common::Module *m2 = im2->get_mod(); // a module that is equivalent to the current module due to // circular imports cannot be used to cover anything if (m2->is_visible(my_mod)) continue; if (m2->is_visible(m) && !m->is_visible(m2)) { // m2 covers m (i.e. m is visible from m2) // and they are not in the same import loop covered = true; break; } } // do not generate the #include if a covering module is found if (!covered) im->generate_code(target); } } void Imports::generate_code(CodeGenHelper& cgh) { generate_code(cgh.get_current_outputstruct()); } void Imports::dump(unsigned level) const { DEBUG(level, "Imports (%lu pcs.)", static_cast( impmods_v.size() )); for (size_t i = 0; i < impmods_v.size(); i++) impmods_v[i]->dump(level + 1); } // ================================= // ===== Definitions // ================================= Definitions::~Definitions() { for(size_t i = 0; i < ass_v.size(); i++) delete ass_v[i]; ass_v.clear(); ass_m.clear(); } Definitions *Definitions::clone() const { FATAL_ERROR("Definitions::clone"); } void Definitions::add_ass(Definition *p_ass) { // it is too late to add a new one after it has been checked. if (checked || !p_ass) FATAL_ERROR("Ttcn::OtherDefinitions::add_ass()"); ass_v.add(p_ass); p_ass->set_my_scope(this); } void Definitions::set_fullname(const string& p_fullname) { Common::Assignments::set_fullname(p_fullname); for(size_t i = 0; i < ass_v.size(); i++) { Definition *ass = ass_v[i]; ass->set_fullname(p_fullname + "." + ass->get_id().get_dispname()); } } bool Definitions::has_local_ass_withId(const Identifier& p_id) { if (!checked) chk_uniq(); return ass_m.has_key(p_id.get_name()); } Common::Assignment* Definitions::get_local_ass_byId(const Identifier& p_id) { if (!checked) chk_uniq(); return ass_m[p_id.get_name()]; } size_t Definitions::get_nof_asss() { if (!checked) chk_uniq(); return ass_m.size(); } size_t Definitions::get_nof_raw_asss() { return ass_v.size(); } Common::Assignment* Definitions::get_ass_byIndex(size_t p_i, bool p_reordered) { if (!checked) chk_uniq(); return p_reordered ? ass_m.get_nth_elem(p_i) : ass_v[p_i]; } Ttcn::Definition* Definitions::get_raw_ass_byIndex(size_t p_i) { return ass_v[p_i]; } bool Definitions::is_class_scope() const { if (parent_scope == NULL) { FATAL_ERROR("Definitions::is_class_scope()"); } return parent_scope->is_class_scope(); } void Definitions::chk_uniq() { if (checked) return; ass_m.clear(); for (size_t i = 0; i < ass_v.size(); i++) { Definition *ass = ass_v[i]; const Identifier& id = ass->get_id(); const string& name = id.get_name(); if (ass_m.has_key(name)) { const char *dispname_str = id.get_dispname().c_str(); ass->error("Duplicate definition with name `%s'", dispname_str); ass_m[name]->note("Previous definition of `%s' is here", dispname_str); } else { ass_m.add(name, ass); if (parent_scope->is_valid_moduleid(id)) { ass->warning("Definition with name `%s' hides a module identifier", id.get_dispname().c_str()); } } } checked = true; } void Definitions::chk() { for (size_t i = 0; i < ass_v.size(); i++) ass_v[i]->chk(); } void Definitions::chk_for() { if (checked) return; checked = true; ass_m.clear(); // all checks are done in one iteration because // forward referencing is not allowed between the definitions for (size_t i = 0; i < ass_v.size(); i++) { Definition *def = ass_v[i]; const Identifier& id = def->get_id(); const string& name = id.get_name(); if (ass_m.has_key(name)) { const char *dispname_str = id.get_dispname().c_str(); def->error("Duplicate definition with name `%s'", dispname_str); ass_m[name]->note("Previous definition of `%s' is here", dispname_str); } else { ass_m.add(name, def); if (parent_scope) { if (parent_scope->has_ass_withId(id)) { if (parent_scope->get_scope_class() == NULL) { const char *dispname_str = id.get_dispname().c_str(); def->error("Definition with identifier `%s' is not unique in the " "scope hierarchy", dispname_str); Reference ref(0, id.clone()); Common::Assignment *ass = parent_scope->get_ass_bySRef(&ref); if (!ass) FATAL_ERROR("OtherDefinitions::chk_for()"); ass->note("Previous definition with identifier `%s' in higher " "scope unit is here", dispname_str); } } else if (parent_scope->is_valid_moduleid(id)) { def->warning("Definition with name `%s' hides a module identifier", id.get_dispname().c_str()); } } } def->chk(); } } void Definitions::set_genname(const string& prefix) { for (size_t i = 0; i < ass_v.size(); i++) { Definition *def = ass_v[i]; def->set_genname(prefix + def->get_id().get_name()); } } void Definitions::generate_code(output_struct* target) { bool in_class = parent_scope->is_class_scope(); for (size_t i = 0; i < ass_v.size(); i++) { if (in_class && ass_v[i]->get_asstype() != Common::Assignment::A_CONSTRUCTOR) { visibility_t vis = ass_v[i]->get_visibility(); target->header.class_defs = mputprintf(target->header.class_defs, "\n%s:\n", vis == PUBLIC ? "public" : (vis == PRIVATE ? "private" : "protected")); } ass_v[i]->generate_code(target); } } void Definitions::generate_code(CodeGenHelper& cgh) { // FIXME: implement for(size_t i = 0; i < ass_v.size(); i++) { ass_v[i]->generate_code(cgh); CodeGenHelper::update_intervals(cgh.get_current_outputstruct()); } } char* Definitions::generate_code_str(char *str) { for(size_t i=0; iupdate_location_object(str); str=ass_v[i]->generate_code_str(str); } return str; } void Definitions::ilt_generate_code(ILT *ilt) { for(size_t i=0; iilt_generate_code(ilt); } void Definitions::dump(unsigned level) const { DEBUG(level, "Definitions: (%lu pcs.)", static_cast( ass_v.size() )); for(size_t i = 0; i < ass_v.size(); i++) ass_v[i]->dump(level + 1); } // ================================= // ===== Group // ================================= Group::Group(Identifier *p_id) : Node(), Location(), parent_group(0), w_attrib_path(0), id(p_id), checked(false) { if (!p_id) FATAL_ERROR("Group::Group()"); } Group::~Group() { delete w_attrib_path; ass_v.clear(); ass_m.clear(); for (size_t i = 0; i < group_v.size(); i++) delete group_v[i]; group_v.clear(); group_m.clear(); impmods_v.clear(); friendmods_v.clear(); delete id; } Group* Group::clone() const { FATAL_ERROR("Ttcn::Group::clone()"); } void Group::set_fullname(const string& p_fullname) { Node::set_fullname(p_fullname); for(size_t i = 0; i < group_v.size() ; i++) { group_v[i]->set_fullname(p_fullname + "."); } if (w_attrib_path) w_attrib_path->set_fullname( p_fullname + "."); } void Group::add_ass(Definition* p_ass) { ass_v.add(p_ass); p_ass->set_parent_group(this); } void Group::add_group(Group* p_group) { group_v.add(p_group); } void Group::set_parent_group(Group* p_parent_group) { if (parent_group) FATAL_ERROR("Group::set_parent_group()"); parent_group = p_parent_group; } void Group::set_with_attr(MultiWithAttrib* p_attrib) { if (!w_attrib_path) w_attrib_path = new WithAttribPath(); w_attrib_path->set_with_attr(p_attrib); } WithAttribPath* Group::get_attrib_path() { if (!w_attrib_path) w_attrib_path = new WithAttribPath(); return w_attrib_path; } void Group::set_parent_path(WithAttribPath* p_path) { if (!w_attrib_path) w_attrib_path = new WithAttribPath(); w_attrib_path->set_parent(p_path); } void Group::chk_uniq() { if (checked) return; ass_m.clear(); group_m.clear(); for (size_t i = 0; i < ass_v.size(); i++) { Definition *ass = ass_v[i]; const string& ass_name = ass->get_id().get_name(); if (!ass_m.has_key(ass_name)) ass_m.add(ass_name, ass); } for(size_t i = 0; i < group_v.size(); i++) { Group *group = group_v[i]; const Identifier& group_id = group->get_id(); const string& group_name = group_id.get_name(); if (ass_m.has_key(group_name)) { group->error("Group name `%s' clashes with a definition", group_id.get_dispname().c_str()); ass_m[group_name]->note("Definition of `%s' is here", group_id.get_dispname().c_str()); } if (group_m.has_key(group_name)) { group->error("Duplicate group with name `%s'", group_id.get_dispname().c_str()); group_m[group_name]->note("Group `%s' is already defined here", group_id.get_dispname().c_str()); } else group_m.add(group_name, group); } checked = true; } void Group::chk() { Error_Context cntxt(this, "In group `%s'", id->get_dispname().c_str()); chk_uniq(); if (w_attrib_path) { w_attrib_path->chk_global_attrib(); w_attrib_path->chk_no_qualif(); } for(size_t i = 0; i < group_v.size(); i++) group_v[i]->chk(); } void Group::add_impmod(ImpMod *p_impmod) { impmods_v.add(p_impmod); p_impmod->set_parent_group(this); } void Group::add_friendmod(FriendMod *p_friendmod) { friendmods_v.add(p_friendmod); p_friendmod->set_parent_group(this); } void Group::dump(unsigned level) const { DEBUG(level, "Group: %s", id->get_dispname().c_str()); DEBUG(level + 1, "Nested groups: (%lu pcs.)", static_cast( group_v.size() )); for(size_t i = 0; i < group_v.size(); i++) group_v[i]->dump(level + 2); DEBUG(level + 1, "Nested definitions: (%lu pcs.)", static_cast( ass_v.size() )); for(size_t i = 0; i < ass_v.size(); i++) ass_v[i]->dump(level + 2); DEBUG(level + 1, "Nested imports: (%lu pcs.)", static_cast( impmods_v.size() )); for(size_t i = 0; i < impmods_v.size(); i++) impmods_v[i]->dump(level + 2); if (w_attrib_path) { MultiWithAttrib *attrib = w_attrib_path->get_with_attr(); if (attrib) { DEBUG(level + 1, "Group Attributes:"); attrib->dump(level + 2); } } } // ================================= // ===== ControlPart // ================================= ControlPart::ControlPart(StatementBlock* p_block) : Node(), Location(), block(p_block), w_attrib_path(0) { if (!p_block) FATAL_ERROR("ControlPart::ControlPart()"); } ControlPart::~ControlPart() { delete block; delete w_attrib_path; } ControlPart* ControlPart::clone() const { FATAL_ERROR("ControlPart::clone"); } void ControlPart::set_fullname(const string& p_fullname) { block->set_fullname(p_fullname); if(w_attrib_path) w_attrib_path->set_fullname(p_fullname + "."); } void ControlPart::set_my_scope(Scope *p_scope) { bridgeScope.set_parent_scope(p_scope); string temp("control"); bridgeScope.set_scopeMacro_name(temp); block->set_my_scope(&bridgeScope); } void ControlPart::chk() { Error_Context cntxt(this, "In control part"); block->chk(); if (!semantic_check_only) block->set_code_section(GovernedSimple::CS_INLINE); if (w_attrib_path) { w_attrib_path->chk_global_attrib(); w_attrib_path->chk_no_qualif(); } } void ControlPart::generate_code(output_struct *target, Module *my_module) { const char *module_dispname = my_module->get_modid().get_dispname().c_str(); target->functions.control = create_location_object(target->functions.control, "CONTROLPART", module_dispname); target->functions.control = mputprintf(target->functions.control, "TTCN_Runtime::begin_controlpart(\"%s\");\n", module_dispname); if (debugger_active) { target->functions.control = mputprintf(target->functions.control, "charstring_list no_params = NULL_VALUE;\n" "TTCN3_Debug_Function debug_scope(NULL, \"control\", \"%s\", no_params, no_params, NULL);\n" "debug_scope.initial_snapshot();\n", module_dispname); } target->functions.control = block->generate_code(target->functions.control, target->header.global_vars, target->source.global_vars); target->functions.control = mputstr(target->functions.control, "TTCN_Runtime::end_controlpart();\n"); } void ControlPart::set_with_attr(MultiWithAttrib* p_attrib) { if (!w_attrib_path) w_attrib_path = new WithAttribPath(); w_attrib_path->set_with_attr(p_attrib); } WithAttribPath* ControlPart::get_attrib_path() { if (!w_attrib_path) w_attrib_path = new WithAttribPath(); return w_attrib_path; } void ControlPart::set_parent_path(WithAttribPath* p_path) { if (!w_attrib_path) w_attrib_path = new WithAttribPath(); w_attrib_path->set_parent(p_path); block->set_parent_path(w_attrib_path); } void ControlPart::dump(unsigned level) const { DEBUG(level, "Control part"); block->dump(level + 1); if (w_attrib_path) { MultiWithAttrib *attrib = w_attrib_path->get_with_attr(); if (attrib) { DEBUG(level + 1, "Attributes:"); attrib->dump(level + 2); } } } // ================================= // ===== Module // ================================= Module::Module(Identifier *p_modid) : Common::Module(MOD_TTCN, p_modid), language_spec(0), w_attrib_path(0), controlpart(0) { asss = new Definitions(); asss->set_parent_scope(this); imp = new Imports(); imp->set_my_mod(this); //modified_encodings = true; // Assume always true for TTCN modules } Module::~Module() { delete language_spec; delete asss; for (size_t i = 0; i < group_v.size(); i++) delete group_v[i]; group_v.clear(); group_m.clear(); delete imp; for (size_t i = 0; i < friendmods_v.size(); i++) delete friendmods_v[i]; friendmods_v.clear(); delete controlpart; for (size_t i = 0; i < runs_on_scopes.size(); i++) delete runs_on_scopes[i]; runs_on_scopes.clear(); for (size_t i = 0; i < port_scopes.size(); i++) delete port_scopes[i]; port_scopes.clear(); delete w_attrib_path; } void Module::add_group(Group* p_group) { group_v.add(p_group); } void Module::add_friendmod(FriendMod *p_friendmod) { friendmods_v.add(p_friendmod); p_friendmod->set_my_mod(this); } Module *Module::clone() const { FATAL_ERROR("Ttcn::Module::clone()"); } Common::Assignment *Module::importAssignment(const Identifier& p_modid, const Identifier& p_id) const { if (asss->has_local_ass_withId(p_id)) { Common::Assignment* ass = asss->get_local_ass_byId(p_id); if (!ass) FATAL_ERROR("Ttcn::Module::importAssignment()"); switch(ass->get_visibility()) { case FRIEND: for (size_t i = 0; i < friendmods_v.size(); i++) { if (friendmods_v[i]->get_modid() == p_modid) return ass; } return 0; case PUBLIC: return ass; case PRIVATE: return 0; default: FATAL_ERROR("Ttcn::Module::importAssignment()"); return 0; } } else return 0; } void Module::set_fullname(const string& p_fullname) { Node::set_fullname(p_fullname); asss->set_fullname(p_fullname); if (controlpart) controlpart->set_fullname(p_fullname + ".control"); for(size_t i = 0; i < group_v.size(); i++) { group_v[i]->set_fullname(p_fullname + "."); } if (w_attrib_path) w_attrib_path->set_fullname(p_fullname + "."); } Common::Assignments *Module::get_scope_asss() { return asss; } bool Module::has_imported_ass_withId(const Identifier& p_id) { const Location *loc = NULL; for (size_t i = 0, num = imp->get_imports_size(); i < num; ++i) { const ImpMod* im = imp->get_impmod(i); //TODO use a reference instead of an identifier if(im->has_imported_def(*modid, p_id, loc)) return true; } return false; } Common::Assignment* Module::get_ass_bySRef(Ref_simple *p_ref) { if (p_ref->get_reftype() != Ref_simple::REF_BASIC) { p_ref->error("Reference to `%s' can only be used inside a class definition", p_ref->get_reftype() == Ref_simple::REF_THIS ? "this" : "super"); return NULL; } const Identifier *r_modid = p_ref->get_modid(); const Identifier *r_id = p_ref->get_id(); if (r_modid) { // the reference contains a module name if (r_modid->get_name() != modid->get_name()) { // the reference points to another module bool has_impmod_with_name = false; Common::Assignment* result_ass = NULL; for (size_t i = 0, num = imp->get_imports_size(); i < num; ++i) { const ImpMod* im = imp->get_impmod(i); const Identifier& im_id = im->get_modid(); const string& im_name = im_id.get_name(); if (r_modid->get_name() == im_name) { has_impmod_with_name = true; vector tempusedImpMods; ReferenceChain* referencechain = new ReferenceChain(this, "NEW IMPORT REFERNCECHAIN"); Common::Assignment *t_ass = im->get_imported_def(*modid, *r_id, p_ref, referencechain, tempusedImpMods); referencechain->reset(); delete referencechain; if (t_ass != NULL) { Ttcn::Module *ttcn_m = static_cast(im->get_mod()); if (!ttcn_m->is_visible(*modid, t_ass->get_visibility())) { t_ass = NULL; } if (t_ass != NULL) { if (result_ass == NULL) { result_ass = t_ass; } else if(result_ass != t_ass) { p_ref->error( "It is not possible to resolve the reference unambiguously" ", as it can be resolved to `%s' and to `%s'", result_ass->get_fullname().c_str(), t_ass->get_fullname().c_str()); } } } tempusedImpMods.clear(); } } if (result_ass) return result_ass; if (has_impmod_with_name) { p_ref->error("There is no definition with name `%s' visible from " "module `%s'", r_id->get_dispname().c_str(), r_modid->get_dispname().c_str()); } else { if (modules->has_mod_withId(*r_modid)) { Common::Module *m = modules->get_mod_byId(*r_modid); if (m->get_asss()->has_ass_withId(*r_id)) { p_ref->error("Definition with name `%s' is not imported from " "module `%s'", r_id->get_dispname().c_str(), r_modid->get_dispname().c_str()); } else { p_ref->error("There is no definition with name `%s' in " "module `%s'", r_id->get_dispname().c_str(), r_modid->get_dispname().c_str()); } } else { p_ref->error("There is no module with name `%s'", r_modid->get_dispname().c_str()); } return 0; } } else { // the reference points to the own module if (asss->has_local_ass_withId(*r_id)) { return asss->get_local_ass_byId(*r_id); } else { p_ref->error("There is no definition with name `%s' in " "module `%s'", r_id->get_dispname().c_str(), r_modid->get_dispname().c_str()); } } } else { // no module name is given in the reference if (asss->has_local_ass_withId(*r_id)) { return asss->get_local_ass_byId(*r_id); } else { // the reference was not found locally -> look at the import list Common::Assignment *t_result = NULL, *t_ass = NULL; for (size_t i = 0, num = imp->get_imports_size(); i < num; ++i) { const ImpMod* im = imp->get_impmod(i); vector tempusedImpMods; ReferenceChain* referencechain = new ReferenceChain(this, "NEW IMPORT REFERNCECHAIN"); t_ass = im->get_imported_def(*modid, *r_id, p_ref, referencechain, tempusedImpMods); referencechain->reset(); delete referencechain; if (t_ass != NULL) { Ttcn::Module *ttcn_m = static_cast(im->get_mod()); if (!ttcn_m->is_visible(*modid, t_ass->get_visibility())) { t_ass = NULL; } if (t_ass != NULL) { if (t_result == NULL) { t_result = t_ass; } else if(t_result != t_ass) { p_ref->error( "It is not possible to resolve the reference unambiguously" ", as it can be resolved to `%s' and to `%s'", t_result->get_fullname().c_str(), t_ass->get_fullname().c_str()); } } } tempusedImpMods.clear(); } if (t_result) return t_result; p_ref->error("There is no local or imported definition with name `%s'" ,r_id->get_dispname().c_str()); } } return 0; } bool Module::is_valid_moduleid(const Identifier& p_id) { // The identifier represents the current module if (p_id.get_name() == modid->get_name()) return true; // The identifier represents a module imported in the current module if(imp->has_impmod_withId(p_id)) return true; return false; } Common::Assignments *Module::get_asss() { return asss; } bool Module::exports_sym(const Identifier&) { FATAL_ERROR("Ttcn::Module::exports_sym()"); return true; } Type *Module::get_address_type() { Identifier address_id(Identifier::ID_TTCN, string("address")); // return NULL if address type is not defined if (!asss->has_local_ass_withId(address_id)) return 0; Common::Assignment *t_ass = asss->get_local_ass_byId(address_id); if (t_ass->get_asstype() != Common::Assignment::A_TYPE) FATAL_ERROR("Module::get_address_type(): address is not a type"); return t_ass->get_Type(); } void Module::chk_imp(ReferenceChain& refch, vector& moduleStack) { if (imp_checked) return; const string& module_name = modid->get_dispname(); Error_Context backup; Error_Context cntxt(this, "In TTCN-3 module `%s'", module_name.c_str()); imp->chk_imp(refch, moduleStack); imp_checked = true; asss->chk_uniq(); collect_visible_mods(); } void Module::chk() { DEBUG(1, "Checking TTCN-3 module `%s'", modid->get_dispname().c_str()); Error_Context cntxt(this, "In TTCN-3 module `%s'", modid->get_dispname().c_str()); if (w_attrib_path) { w_attrib_path->chk_global_attrib(); w_attrib_path->chk_no_qualif(); // Check "extension" attributes in the module's "with" statement MultiWithAttrib *multi = w_attrib_path->get_with_attr(); if (multi) for (size_t i = 0; i < multi->get_nof_elements(); ++i) { const SingleWithAttrib *single = multi->get_element(i); if (single->get_attribKeyword() != SingleWithAttrib::AT_EXTENSION) continue; // Parse the extension attribute // We circumvent parse_extattributes() in coding_attrib_p.y because // it processes all attributes in the "with" statement and // doesn't allow the removal on a case-by-case basis. extatrs = 0; init_coding_attrib_lex(single->get_attribSpec()); int result = coding_attrib_parse();// 0=OK, 1=error, 2=out of memory cleanup_coding_attrib_lex(); if (result != 0) { delete extatrs; extatrs = 0; continue; } const size_t num_parsed = extatrs->size(); for (size_t a = 0; a < num_parsed; ++a) { Ttcn::ExtensionAttribute& ex = extatrs->get(0); switch (ex.get_type()) { case Ttcn::ExtensionAttribute::VERSION_TEMPLATE: case Ttcn::ExtensionAttribute::VERSION: { char* act_product_number; unsigned int act_suffix, act_rel, act_patch, act_build; char* extra_junk; enum version_t version_type; (void)ex.get_id(act_product_number, act_suffix, act_rel, act_patch, act_build, extra_junk, version_type); if (release != UINT_MAX) { ex.error("Duplicate 'version' attribute"); } else { product_number = mcopystr(act_product_number); suffix = act_suffix; release = act_rel; patch = act_patch; build = act_build; extra = mcopystr(extra_junk); this->version_type = version_type; } // Avoid propagating the attribute needlessly multi->delete_element(i--); single = 0; break; } case Ttcn::ExtensionAttribute::REQUIRES: { // Imports have already been checked char* exp_product_number; unsigned int exp_suffix, exp_rel, exp_patch, exp_build; char* exp_extra; enum version_t version_type; Common::Identifier *req_id = ex.get_id(exp_product_number, exp_suffix, exp_rel, exp_patch, exp_build, exp_extra, version_type); // We own req_id if (imp->has_impmod_withId(*req_id)) { Common::Module* m = modules->get_mod_byId(*req_id); if (m->product_number == NULL && exp_product_number != NULL) { ex.error("Module '%s' requires module '%s' of product %s" ", but it is not specified", this->modid->get_dispname().c_str(), req_id->get_dispname().c_str(), exp_product_number); multi->delete_element(i--); single = 0; break; } else if (exp_product_number == NULL && m->product_number != NULL && strlen(m->product_number) > 0){ ex.warning("Module '%s' requires module '%s' of any product" ", while it specifies '%s'", this->modid->get_dispname().c_str(), req_id->get_dispname().c_str(), m->product_number); } else if (m->product_number != NULL && exp_product_number != NULL) { bool prod_match = false; if (version_type == m->version_type) { prod_match = (0 == strcmp(m->product_number, exp_product_number)); } else if (version_type == LEGACY_CRL && m->version_type == LEGACY_CAX) { prod_match = (0 == strcmp(exp_product_number, LEGACY_CRL_PRODNR_EXECUTOR) && 0 == strcmp(m->product_number, LEGACY_CAX_PRODNR_EXECUTOR)); } else if (version_type == LEGACY_CAX && m->version_type == LEGACY_CRL) { prod_match = (0 == strcmp(exp_product_number, LEGACY_CAX_PRODNR_EXECUTOR) && 0 == strcmp(m->product_number, LEGACY_CRL_PRODNR_EXECUTOR)); } else if (version_type == LEGACY_CRL && m->version_type == DOT_SEPARATED) { prod_match = (0 == strcmp(exp_product_number, LEGACY_CRL_PRODNR_EXECUTOR) && 0 == strlen(m->product_number)); } else if (version_type == DOT_SEPARATED && m->version_type == LEGACY_CRL) { prod_match = (0 == strlen(exp_product_number) && 0 == strcmp(m->product_number, LEGACY_CRL_PRODNR_EXECUTOR)); } else if (version_type == LEGACY_CAX && m->version_type == DOT_SEPARATED) { prod_match = (0 == strcmp(exp_product_number, LEGACY_CAX_PRODNR_EXECUTOR) && 0 == strlen(m->product_number)); } else if (version_type == DOT_SEPARATED && m->version_type == LEGACY_CAX) { prod_match = (0 == strlen(exp_product_number) && 0 == strcmp(m->product_number, LEGACY_CAX_PRODNR_EXECUTOR)); } if (!prod_match) { char *req_product_identifier = get_product_identifier(exp_product_number, exp_suffix, exp_rel, exp_patch, exp_build, NULL, version_type); char *mod_product_identifier = get_product_identifier(m->product_number, m->suffix, m->release, m->patch, m->build, NULL, m->version_type); ex.error("Module '%s' requires version %s of module" " '%s', but only %s is available", this->modid->get_dispname().c_str(), req_product_identifier, req_id->get_dispname().c_str(), mod_product_identifier); Free(req_product_identifier); Free(mod_product_identifier); multi->delete_element(i--); single = 0; break; } } // different suffixes are always incompatible // unless the special version number is used if (m->suffix != exp_suffix && (m->suffix != UINT_MAX)) { char *req_product_identifier = get_product_identifier(exp_product_number,exp_suffix, exp_rel, exp_patch, exp_build, NULL, version_type); char *mod_product_identifier = get_product_identifier(m->product_number, m->suffix, m->release, m->patch, m->build, NULL, m->version_type); ex.error("Module '%s' requires version %s of module" " '%s', but only %s is available", this->modid->get_dispname().c_str(), req_product_identifier, req_id->get_dispname().c_str(), mod_product_identifier); Free(req_product_identifier); Free(mod_product_identifier); multi->delete_element(i--); single = 0; break; } if ( m->release < exp_rel ||(m->release== exp_rel && m->patch < exp_patch) ||(m->patch == exp_patch && m->build < exp_build)) { char *mod_bld_str = buildstr(m->build); char *exp_bld_str = buildstr(exp_build); if (mod_bld_str==0 || exp_bld_str==0) FATAL_ERROR( "Ttcn::Module::chk() invalid build number"); ex.error("Module '%s' requires version R%u%c%s of module" " '%s', but only R%u%c%s is available", this->modid->get_dispname().c_str(), exp_rel, eri(exp_patch), exp_bld_str, req_id->get_dispname().c_str(), m->release, eri(m->patch), mod_bld_str); Free(exp_bld_str); Free(mod_bld_str); } } else { single->error("No imported module named '%s'", req_id->get_dispname().c_str()); } multi->delete_element(i--); single = 0; break; } case Ttcn::ExtensionAttribute::REQ_TITAN: { char* exp_product_number; unsigned int exp_suffix, exp_minor, exp_patch, exp_build; char* exp_extra; enum version_t version_type; (void)ex.get_id(exp_product_number, exp_suffix, exp_minor, exp_patch, exp_build, exp_extra, version_type); if (exp_product_number != NULL && ((version_type == LEGACY_CAX && strcmp(exp_product_number, LEGACY_CAX_PRODNR_EXECUTOR) != 0) || (version_type == LEGACY_CRL && strcmp(exp_product_number, LEGACY_CRL_PRODNR_EXECUTOR) != 0) || (version_type == DOT_SEPARATED && strlen(exp_product_number) != 0))) { ex.error("This module needs to be compiled with TITAN, but " " product number %s is not TITAN" , exp_product_number); } if (0 == exp_suffix) { exp_suffix = 1; // previous version number format did not list the suffix part } // TTCN3_MAJOR is always 1 int expected_version = exp_suffix * 1000000 + exp_minor * 10000 + exp_patch * 100 + exp_build; if (expected_version > TTCN3_VERSION_MONOTONE) { char *exp_product_identifier = get_product_identifier(exp_product_number, exp_suffix, exp_minor, exp_patch, exp_build, NULL, version_type); char *tmp = "UNKNOWN"; switch(version_type) { case LEGACY_CRL: tmp = LEGACY_CRL_PRODUCT_NUMBER; break; case LEGACY_CAX: tmp = LEGACY_CAX_PRODUCT_NUMBER; break; case DOT_SEPARATED: tmp = PRODUCT_NUMBER; break; default: // Do nothing break; } ex.error("This module needs to be compiled with TITAN version" " %s or higher; version %s detected" , exp_product_identifier, tmp); Free(exp_product_identifier); } multi->delete_element(i--); single = 0; break; } case Ttcn::ExtensionAttribute::PRINTING: { ex.error("Attribute 'printing' not allowed at module level"); multi->delete_element(i--); single = 0; break; } default: // Let everything else propagate into the module. // Extension attributes in the module's "with" statement // may be impractical, but not outright erroneous. break; } // switch } // next a delete extatrs; } // next i } chk_friends(); chk_groups(); asss->chk_uniq(); asss->chk(); if (controlpart) controlpart->chk(); if (control_ns && !*control_ns) { // set but empty error("Invalid URI value for control namespace"); } if (control_ns_prefix && !*control_ns_prefix) { // set but empty error("Empty NCName for the control namespace prefix is not allowed"); } // TODO proper URI and NCName validation } void Module::chk_friends() { map friends_m; for(size_t i = 0; i < friendmods_v.size(); i++) { FriendMod* temp_friend = friendmods_v[i]; const Identifier& friend_id = temp_friend->get_modid(); const string& friend_name = friend_id.get_name(); if(friends_m.has_key(friend_name)) { temp_friend->error("Duplicate friend module with name `%s'", friend_id.get_dispname().c_str()); friends_m[friend_name]->note("Friend module `%s' is already defined here", friend_id.get_dispname().c_str()); } else { friends_m.add(friend_name, temp_friend); } friendmods_v[i]->chk(); } friends_m.clear(); } /** \todo revise */ void Module::chk_groups() { map ass_m; for(size_t i = 0; i < asss->get_nof_asss(); i++) { Common::Assignment *temp_ass = asss->get_ass_byIndex(i); if(!temp_ass->get_parent_group()) { const string& ass_name = temp_ass->get_id().get_name(); if (!ass_m.has_key(ass_name)) ass_m.add(ass_name, temp_ass); } } for(size_t i = 0; i < group_v.size(); i++) { const Group* group = group_v[i]; const Identifier& group_id = group->get_id(); const string& group_name = group_id.get_name(); if(ass_m.has_key(group_name)) { group->error("Group name `%s' clashes with a definition", group_id.get_dispname().c_str()); ass_m[group_name]->note("Definition of `%s' is here", group_id.get_dispname().c_str()); } if(group_m.has_key(group_name)) { group->error("Duplicate group with name `%s'", group_id.get_dispname().c_str()); group_m[group_name]->note("Group `%s' is already defined here", group_id.get_dispname().c_str()); }else{ group_m.add(group_name,group_v[i]); } } ass_m.clear(); for(size_t i = 0; i < group_v.size(); i++) { group_v[i]->chk(); } } void Module::get_imported_mods(module_set_t& p_imported_mods) { imp->get_imported_mods(p_imported_mods); } void Module::generate_code_internal(CodeGenHelper& cgh) { imp->generate_code(cgh); asss->generate_code(cgh); if (controlpart) controlpart->generate_code(cgh.get_outputstruct(modid->get_ttcnname()), this); } RunsOnScope *Module::get_runs_on_scope(Type *comptype) { RunsOnScope *ret_val = new RunsOnScope(comptype); runs_on_scopes.add(ret_val); ret_val->set_parent_scope(asss); ret_val->chk_uniq(); return ret_val; } PortScope *Module::get_port_scope(Type *porttype) { PortScope *ret_val = new PortScope(porttype); port_scopes.add(ret_val); ret_val->set_parent_scope(asss); ret_val->chk_uniq(); return ret_val; } void Module::dump(unsigned level) const { DEBUG(level, "TTCN-3 module: %s", modid->get_dispname().c_str()); level++; if(imp) imp->dump(level); if(asss) asss->dump(level); for(size_t i = 0; i < group_v.size(); i++) { group_v[i]->dump(level); } if(controlpart) controlpart->dump(level); if (w_attrib_path) { MultiWithAttrib *attrib = w_attrib_path->get_with_attr(); if (attrib) { DEBUG(level, "Module Attributes:"); attrib->dump(level + 1); } } } void Module::set_language_spec(const char *p_language_spec) { if (language_spec) FATAL_ERROR("Module::set_language_spec()"); if (p_language_spec) language_spec = new string(p_language_spec); } void Module::add_ass(Definition* p_ass) { asss->add_ass(p_ass); } void Module::add_impmod(ImpMod *p_impmod) { imp->add_impmod(p_impmod); } void Module::add_controlpart(ControlPart* p_controlpart) { if (!p_controlpart || controlpart) FATAL_ERROR("Module::add_controlpart()"); controlpart = p_controlpart; controlpart->set_my_scope(asss); } void Module::set_with_attr(MultiWithAttrib* p_attrib) { if (!w_attrib_path) w_attrib_path = new WithAttribPath(); w_attrib_path->set_with_attr(p_attrib); } WithAttribPath* Module::get_attrib_path() { if (!w_attrib_path) w_attrib_path = new WithAttribPath(); return w_attrib_path; } void Module::set_parent_path(WithAttribPath* p_path) { if (!w_attrib_path) w_attrib_path = new WithAttribPath(); w_attrib_path->set_parent(p_path); } bool Module::is_visible(const Identifier& id, visibility_t visibility){ if (visibility== PUBLIC) { return true; } if (visibility== FRIEND) { for (size_t i = 0; i < friendmods_v.size(); i++) { if (friendmods_v[i]->get_modid() == id) { return true; } } } return false; } void Module::generate_json_schema(JSON_Tokenizer& json, map& json_refs) { // add a new property for this module json.put_next_token(JSON_TOKEN_NAME, modid->get_ttcnname().c_str()); // add type definitions into an object json.put_next_token(JSON_TOKEN_OBJECT_START); // cycle through each type, generate schema segment and reference when needed for (size_t i = 0; i < asss->get_nof_asss(); ++i) { Def_Type* def = dynamic_cast(asss->get_ass_byIndex(i)); if (def != NULL) { Type* t = def->get_Type(); if (t->has_encoding(Type::CT_JSON)) { // insert type's schema segment t->generate_json_schema(json, false, false); if (json_refs_for_all_types && !json_refs.has_key(t)) { // create JSON schema reference for the type JSON_Tokenizer* json_ref = new JSON_Tokenizer; json_refs.add(t, json_ref); t->generate_json_schema_ref(*json_ref); } } } } // end of type definitions json.put_next_token(JSON_TOKEN_OBJECT_END); // insert function data for (size_t i = 0; i < asss->get_nof_asss(); ++i) { Def_ExtFunction* def = dynamic_cast(asss->get_ass_byIndex(i)); if (def != NULL) { def->generate_json_schema_ref(json_refs); } } } void Module::generate_debugger_init(output_struct* output) { static boolean first = TRUE; // create the initializer function output->source.global_vars = mputprintf(output->source.global_vars, "\n/* Initializing the TTCN-3 debugger */\n" "void init_ttcn3_debugger()\n" "{\n" "%s", first ? " ttcn3_debugger.activate();\n" : ""); first = FALSE; // initialize global scope and variables (including imported variables) char* str_glob = generate_debugger_global_vars(NULL, this); for (size_t i = 0; i < imp->get_imports_size(); ++i) { str_glob = imp->get_impmod(i)->get_mod()->generate_debugger_global_vars(str_glob, this); } if (str_glob != NULL) { // only add the global scope if it actually has variables output->source.global_vars = mputprintf(output->source.global_vars, " /* global variables */\n" " TTCN3_Debug_Scope* global_scope = ttcn3_debugger.add_global_scope(\"%s\");\n" "%s", get_modid().get_dispname().c_str(), str_glob); Free(str_glob); } // initialize components' scopes and their variables for (size_t i = 0; i < asss->get_nof_asss(); ++i) { Def_Type* def = dynamic_cast(asss->get_ass_byIndex(i)); if (def != NULL) { Type* comp_type = def->get_Type(); if (comp_type->get_typetype() == Type::T_COMPONENT) { char* str_comp = NULL; ComponentTypeBody* comp_body = comp_type->get_CompBody(); for (size_t j = 0; j < comp_body->get_nof_asss(); ++j) { str_comp = generate_code_debugger_add_var(str_comp, comp_body->get_ass_byIndex(j), this, comp_type->get_dispname().c_str()); } if (str_comp != NULL) { // only add the component if it actually has variables output->source.global_vars = mputprintf(output->source.global_vars, " /* variables of component %s */\n" " TTCN3_Debug_Scope* %s_scope = ttcn3_debugger.add_component_scope(\"%s\");\n" "%s" , comp_type->get_dispname().c_str(), comp_type->get_dispname().c_str() , comp_type->get_dispname().c_str(), str_comp); Free(str_comp); } } } } // close the initializer function output->source.global_vars = mputstr(output->source.global_vars, "}\n"); } char* Module::generate_debugger_global_vars(char* str, Common::Module* current_mod) { for (size_t i = 0; i < asss->get_nof_asss(); ++i) { Common::Assignment* ass = asss->get_ass_byIndex(i); switch (ass->get_asstype()) { case Common::Assignment::A_TEMPLATE: if (ass->get_FormalParList() != NULL) { // don't add parameterized templates, since they are functions in C++ break; } // else fall through case Common::Assignment::A_CONST: case Common::Assignment::A_MODULEPAR: case Common::Assignment::A_MODULEPAR_TEMP: str = generate_code_debugger_add_var(str, ass, current_mod, "global"); break; case Common::Assignment::A_EXT_CONST: { Def_ExtConst* def = dynamic_cast(ass); if (def == NULL) { FATAL_ERROR("Module::generate_debugger_global_vars"); } if (def->is_used()) { str = generate_code_debugger_add_var(str, ass, current_mod, "global"); } break; } default: break; } } return str; } void Module::generate_debugger_functions(output_struct *output) { char* print_str = NULL; char* overwrite_str = NULL; for (size_t i = 0; i < asss->get_nof_asss(); ++i) { Def_Type* def = dynamic_cast(asss->get_ass_byIndex(i)); if (def != NULL) { Type* t = def->get_Type(); if (!t->is_ref() && t->get_typetype() != Type::T_COMPONENT && t->get_typetype() != Type::T_PORT) { // don't generate code for subtypes if (t->get_typetype() != Type::T_SIGNATURE) { print_str = mputprintf(print_str, " %sif (!strcmp(p_var.type_name, \"%s\")) {\n" " ((const %s*)ptr)->log();\n" " }\n" , (print_str != NULL) ? "else " : "" , t->get_dispname().c_str(), t->get_genname_value(this).c_str()); overwrite_str = mputprintf(overwrite_str, " %sif (!strcmp(p_var.type_name, \"%s\")) {\n" " ((%s*)p_var.value)->set_param(p_new_value);\n" " }\n" , (overwrite_str != NULL) ? "else " : "" , t->get_dispname().c_str(), t->get_genname_value(this).c_str()); } print_str = mputprintf(print_str, " %sif (!strcmp(p_var.type_name, \"%s template\")) {\n" " ((const %s_template*)ptr)->log();\n" " }\n" , (print_str != NULL) ? "else " : "" , t->get_dispname().c_str(), t->get_genname_value(this).c_str()); if (t->get_typetype() != Type::T_SIGNATURE) { overwrite_str = mputprintf(overwrite_str, " %sif (!strcmp(p_var.type_name, \"%s template\")) {\n" " ((%s_template*)p_var.value)->set_param(p_new_value);\n" " }\n" , (overwrite_str != NULL) ? "else " : "" , t->get_dispname().c_str(), t->get_genname_value(this).c_str()); } } } } if (print_str != NULL) { // don't generate an empty printing function output->header.class_defs = mputprintf(output->header.class_defs, "/* Debugger printing and overwriting functions for types declared in this module */\n\n" "extern CHARSTRING print_var_%s(const TTCN3_Debugger::variable_t& p_var);\n", get_modid().get_ttcnname().c_str()); output->source.global_vars = mputprintf(output->source.global_vars, "\n/* Debugger printing function for types declared in this module */\n" "CHARSTRING print_var_%s(const TTCN3_Debugger::variable_t& p_var)\n" "{\n" " const void* ptr = p_var.set_function != NULL ? p_var.value : p_var.cvalue;\n" " TTCN_Logger::begin_event_log2str();\n" "%s" " else {\n" " TTCN_Logger::log_event_str(\"\");\n" " }\n" " return TTCN_Logger::end_event_log2str();\n" "}\n", get_modid().get_ttcnname().c_str(), print_str); Free(print_str); } if (overwrite_str != NULL) { // don't generate an empty overwriting function output->header.class_defs = mputprintf(output->header.class_defs, "extern boolean set_var_%s(TTCN3_Debugger::variable_t& p_var, Module_Param& p_new_value);\n", get_modid().get_ttcnname().c_str()); output->source.global_vars = mputprintf(output->source.global_vars, "\n/* Debugger overwriting function for types declared in this module */\n" "boolean set_var_%s(TTCN3_Debugger::variable_t& p_var, Module_Param& p_new_value)\n" "{\n" "%s" " else {\n" " return FALSE;\n" " }\n" " return TRUE;\n" "}\n", get_modid().get_ttcnname().c_str(), overwrite_str); Free(overwrite_str); } } // ================================= // ===== Definition // ================================= string Definition::get_genname() const { if (!genname.empty()) return genname; else return id->get_name(); } namedbool Definition::has_implicit_omit_attr() const { if (w_attrib_path) { const vector& real_attribs = w_attrib_path->get_real_attrib(); for (size_t in = real_attribs.size(); in > 0; in--) { if (SingleWithAttrib::AT_OPTIONAL == real_attribs[in-1]->get_attribKeyword()) { if ("implicit omit" == real_attribs[in-1]->get_attribSpec().get_spec()) { return IMPLICIT_OMIT; } else if ("explicit omit" == real_attribs[in-1]->get_attribSpec().get_spec()) { return NOT_IMPLICIT_OMIT; } // error reporting for other values is in chk_global_attrib } } } return NOT_IMPLICIT_OMIT; } Definition::~Definition() { delete w_attrib_path; delete erroneous_attrs; } void Definition::set_fullname(const string& p_fullname) { Common::Assignment::set_fullname(p_fullname); if (w_attrib_path) w_attrib_path->set_fullname(p_fullname + "."); if (erroneous_attrs) erroneous_attrs->set_fullname(p_fullname+"."); } bool Definition::is_local() const { if (!my_scope) FATAL_ERROR("Definition::is_local()"); for (Scope *scope = my_scope; scope; scope = scope->get_parent_scope()) { if (dynamic_cast(scope)) return true; } return false; } bool Definition::chk_identical(Definition *) { FATAL_ERROR("Definition::chk_identical()"); return false; } ErroneousAttributes* Definition::chk_erroneous_attr(WithAttribPath* p_attrib_path, Type* p_type, Scope* p_scope, string p_fullname, bool in_update_stmt) { if (!p_attrib_path) return NULL; const Ttcn::MultiWithAttrib* attribs = p_attrib_path->get_local_attrib(); if (!attribs) return NULL; ErroneousAttributes* erroneous_attrs = NULL; for (size_t i = 0; i < attribs->get_nof_elements(); i++) { const Ttcn::SingleWithAttrib* act_attr = attribs->get_element(i); if (act_attr->get_attribKeyword()==Ttcn::SingleWithAttrib::AT_ERRONEOUS) { if (!use_runtime_2) { attribs->error("`erroneous' attributes can be used only with the Function Test Runtime"); attribs->note("If you need negative testing use the -R flag when generating the makefile"); return NULL; } size_t nof_qualifiers = act_attr->get_attribQualifiers() ? act_attr->get_attribQualifiers()->get_nof_qualifiers() : 0; dynamic_array refd_type_array(nof_qualifiers); // only the qualifiers pointing to existing fields will be added to erroneous_attrs objects if (nof_qualifiers==0) { act_attr->error("At least one qualifier must be specified for the `erroneous' attribute"); } else { // check if qualifiers point to existing fields for (size_t qi=0; qi(act_attr->get_attribQualifiers()->get_qualifier(qi)); act_qual->set_my_scope(p_scope); Type* field_type = p_type->get_field_type(act_qual, Type::EXPECTED_CONSTANT); if (field_type) { dynamic_array subrefs_array; dynamic_array type_array; bool valid_indexes = p_type->get_subrefs_as_array(act_qual, subrefs_array, type_array); if (!valid_indexes) field_type = NULL; if (act_qual->refers_to_string_element()) { act_qual->error("Reference to a string element cannot be used in this context"); field_type = NULL; } } refd_type_array.add(field_type); } } // parse the attr. spec. ErroneousAttributeSpec* err_attr_spec = ttcn3_parse_erroneous_attr_spec_string( act_attr->get_attribSpec().get_spec().c_str(), act_attr->get_attribSpec()); if (err_attr_spec) { if (!erroneous_attrs) erroneous_attrs = new ErroneousAttributes(p_type); // attr.spec will be owned by erroneous_attrs object erroneous_attrs->add_spec(err_attr_spec); err_attr_spec->set_fullname(p_fullname); err_attr_spec->set_my_scope(p_scope); err_attr_spec->chk(in_update_stmt); // create qualifier - err.attr.spec. pairs for (size_t qi=0; qiget_indicator()!=ErroneousAttributeSpec::I_INVALID)) { erroneous_attrs->add_pair(act_attr->get_attribQualifiers()->get_qualifier(qi), err_attr_spec); } } } } } if (erroneous_attrs) erroneous_attrs->chk(); return erroneous_attrs; } char* Definition::generate_code_str(char *str) { FATAL_ERROR("Definition::generate_code_str()"); return str; } void Definition::ilt_generate_code(ILT *) { FATAL_ERROR("Definition::ilt_generate_code()"); } char *Definition::generate_code_init_comp(char *str, Definition *) { FATAL_ERROR("Definition::generate_code_init_comp()"); return str; } void Definition::set_with_attr(MultiWithAttrib* p_attrib) { if (!w_attrib_path) w_attrib_path = new WithAttribPath(); w_attrib_path->set_with_attr(p_attrib); } WithAttribPath* Definition::get_attrib_path() { if (!w_attrib_path) w_attrib_path = new WithAttribPath(); return w_attrib_path; } void Definition::set_parent_path(WithAttribPath* p_path) { if (!w_attrib_path) w_attrib_path = new WithAttribPath(); w_attrib_path->set_parent(p_path); } void Definition::set_parent_group(Group* p_group) { if(parentgroup) // there would be a leak! FATAL_ERROR("Definition::set_parent_group()"); parentgroup = p_group; } Group* Definition::get_parent_group() { return parentgroup; } void Definition::dump_internal(unsigned level) const { DEBUG(level, "Move along, nothing to see here"); } void Definition::dump(unsigned level) const { dump_internal(level); if (w_attrib_path) { MultiWithAttrib *attrib = w_attrib_path->get_with_attr(); if (attrib) { DEBUG(level + 1, "Definition Attributes:"); attrib->dump(level + 2); } } if (erroneous_attrs) erroneous_attrs->dump(level+1); } // ================================= // ===== Def_Type // ================================= Def_Type::Def_Type(Identifier *p_id, Type *p_type) : Definition(A_TYPE, p_id), type(p_type) { if(!p_type) FATAL_ERROR("Ttcn::Def_Type::Def_Type()"); type->set_ownertype(Type::OT_TYPE_DEF, this); } Def_Type::~Def_Type() { delete type; } Def_Type *Def_Type::clone() const { FATAL_ERROR("Def_Type::clone"); } void Def_Type::set_fullname(const string& p_fullname) { Definition::set_fullname(p_fullname); type->set_fullname(p_fullname); } void Def_Type::set_my_scope(Scope *p_scope) { bridgeScope.set_parent_scope(p_scope); bridgeScope.set_scopeMacro_name(id->get_dispname()); Definition::set_my_scope(&bridgeScope); type->set_my_scope(&bridgeScope); } Setting *Def_Type::get_Setting() { return get_Type(); } Type *Def_Type::get_Type() { chk(); return type; } void Def_Type::chk() { if (checked) return; checked = true; Error_Context cntxt(this, "In %s definition `%s'", type->get_typetype() == Type::T_SIGNATURE ? "signature" : "type", id->get_dispname().c_str()); type->set_genname(get_genname()); if (!semantic_check_only && type->get_typetype() == Type::T_COMPONENT) { // the prefix of embedded definitions must be set before the checking type->get_CompBody()->set_genname(get_genname() + "_component_"); } while (w_attrib_path) { // not a loop, but we can _break_ out of it w_attrib_path->chk_global_attrib(); w_attrib_path->chk_no_qualif(); if (type->get_typetype() != Type::T_ANYTYPE) break; // This is the anytype; it must be empty (we're about to add the fields) if (type->get_nof_comps() > 0) FATAL_ERROR("Def_Type::chk"); Ttcn::ExtensionAttributes *extattrs = parse_extattributes(w_attrib_path); if (extattrs == 0) break; // NULL means parsing error size_t num_atrs = extattrs->size(); for (size_t k = 0; k < num_atrs; ++k) { ExtensionAttribute &ea = extattrs->get(k); switch (ea.get_type()) { case ExtensionAttribute::ANYTYPELIST: { Types *anytypes = ea.get_types(); // List of types to be converted into fields for the anytype. // Make sure scope is set on all types in the list. anytypes->set_my_scope(get_my_scope()); // Convert the list of types into field names for the anytype for (size_t i=0; i < anytypes->get_nof_types(); ++i) { Type *t = anytypes->extract_type_byIndex(i); // we are now the owner of the Type. if (t->get_typetype()==Type::T_ERROR) { // should we give up? delete t; continue; } string field_name; const char* btn = Type::get_typename_builtin(t->get_typetype()); if (btn) { field_name = btn; } else if (t->get_typetype() == Type::T_REFD) { // Extract the identifier Common::Reference *ref = t->get_Reference(); Ttcn::Reference *tref = dynamic_cast(ref); if (!tref) FATAL_ERROR("Def_Type::chk, wrong kind of reference"); const Common::Identifier *modid = tref->get_modid(); if (modid) { ea.error("Qualified name '%s' cannot be added to the anytype", tref->get_dispname().c_str()); delete t; continue; } field_name = tref->get_id()->get_ttcnname(); if (oop_features && field_name == string("object")) { ea.error("Class type `object' cannot be added to the anytype"); delete t; continue; } } else { // Can't happen here FATAL_ERROR("Unexpected type %d", t->get_typetype()); } const string& at_field = anytype_field(field_name); Identifier *field_id = new Identifier(Identifier::ID_TTCN, at_field); CompField *cf = new CompField(field_id, t, false, 0); cf->set_location(ea); cf->set_fullname(get_fullname()); type->add_comp(cf); } // next i delete anytypes; break; } default: w_attrib_path->get_with_attr()->error("Type def can only have anytype"); break; } // switch } // next attribute delete extattrs; break; // do not loop } // Now we can check the type type->chk(); type->chk_constructor_name(*id); if (id->get_ttcnname() == "address") type->chk_address(); ReferenceChain refch(type, "While checking embedded recursions"); type->chk_recursions(refch); if (type->get_typetype()==Type::T_FUNCTION ||type->get_typetype()==Type::T_ALTSTEP ||type->get_typetype()==Type::T_TESTCASE) { // TR 922. This is a function/altstep/testcase reference. // Set this definition as the definition for the formal parameters. type->get_fat_parameters()->set_my_def(this); } } void Def_Type::generate_code(output_struct *target, bool) { type->generate_code(target); if (type->get_typetype() == Type::T_COMPONENT) { // the C++ equivalents of embedded component element definitions must be // generated from outside Type::generate_code() because the function can // call itself recursively and create invalid (overlapped) initializer // sequences type->get_CompBody()->generate_code(target); } } void Def_Type::generate_code(CodeGenHelper& cgh) { type->generate_code(cgh.get_outputstruct(get_Type())); if (type->get_typetype() == Type::T_COMPONENT) { // the C++ equivalents of embedded component element definitions must be // generated from outside Type::generate_code() because the function can // call itself recursively and create invalid (overlapped) initializer // sequences type->get_CompBody()->generate_code(cgh.get_current_outputstruct()); } cgh.finalize_generation(get_Type()); } void Def_Type::dump_internal(unsigned level) const { DEBUG(level, "Type def: %s @ %p", id->get_dispname().c_str(), static_cast(this)); type->dump(level + 1); } void Def_Type::set_with_attr(MultiWithAttrib* p_attrib) { if (!w_attrib_path) { w_attrib_path = new WithAttribPath(); type->set_parent_path(w_attrib_path); } type->set_with_attr(p_attrib); } WithAttribPath* Def_Type::get_attrib_path() { if (!w_attrib_path) { w_attrib_path = new WithAttribPath(); type->set_parent_path(w_attrib_path); } return w_attrib_path; } void Def_Type::set_parent_path(WithAttribPath* p_path) { if (!w_attrib_path) { w_attrib_path = new WithAttribPath(); type->set_parent_path(w_attrib_path); } w_attrib_path->set_parent(p_path); } // ================================= // ===== Def_Const // ================================= Def_Const::Def_Const(Identifier *p_id, Type *p_type, Value *p_value) : Definition(A_CONST, p_id) { if (!p_type || !p_value) FATAL_ERROR("Ttcn::Def_Const::Def_Const()"); type=p_type; type->set_ownertype(Type::OT_CONST_DEF, this); value=p_value; value_under_check=false; } Def_Const::~Def_Const() { delete type; delete value; } Def_Const *Def_Const::clone() const { FATAL_ERROR("Def_Const::clone"); } void Def_Const::set_fullname(const string& p_fullname) { Definition::set_fullname(p_fullname); type->set_fullname(p_fullname + "."); value->set_fullname(p_fullname); } void Def_Const::set_my_scope(Scope *p_scope) { Definition::set_my_scope(p_scope); type->set_my_scope(p_scope); value->set_my_scope(p_scope); } Setting *Def_Const::get_Setting() { return get_Value(); } Type *Def_Const::get_Type() { chk(); return type; } Value *Def_Const::get_Value() { chk(); return value; } void Def_Const::chk() { if(checked) { if (value_under_check) { error("Circular reference in constant definition `%s'", id->get_dispname().c_str()); value_under_check = false; // only report the error once for this definition } return; } Error_Context cntxt(this, "In constant definition `%s'", id->get_dispname().c_str()); type->set_genname(_T_, get_genname()); type->chk(); value->set_my_governor(type); type->chk_this_value_ref(value); checked=true; if (w_attrib_path) { w_attrib_path->chk_global_attrib(true); switch (type->get_type_refd_last()->get_typetype_ttcn3()) { case Type::T_SEQ_T: case Type::T_SET_T: case Type::T_CHOICE_T: // These types may have qualified attributes break; case Type::T_SEQOF: case Type::T_SETOF: break; default: w_attrib_path->chk_no_qualif(); break; } } Type *t = type->get_type_refd_last(); switch (t->get_typetype()) { case Type::T_PORT: error("Constant cannot be defined for port type `%s'", t->get_fullname().c_str()); break; case Type::T_SIGNATURE: error("Constant cannot be defined for signature `%s'", t->get_fullname().c_str()); break; case Type::T_CLASS: error("Constant cannot be defined for class type `%s'", t->get_typename().c_str()); break; default: value_under_check = true; type->chk_this_value(value, 0, Type::EXPECTED_STATIC_VALUE, WARNING_FOR_INCOMPLETE, OMIT_NOT_ALLOWED, SUB_CHK, has_implicit_omit_attr()); value_under_check = false; erroneous_attrs = chk_erroneous_attr(w_attrib_path, type, get_my_scope(), get_fullname(), false); if (erroneous_attrs) value->add_err_descr(NULL, erroneous_attrs->get_err_descr()); { ReferenceChain refch(type, "While checking embedded recursions"); value->chk_recursions(refch); } break; } if (!semantic_check_only) { value->set_genname_prefix("const_"); value->set_genname_recursive(get_genname()); value->set_code_section(GovernedSimple::CS_PRE_INIT); } } bool Def_Const::chk_identical(Definition *p_def) { chk(); p_def->chk(); if (p_def->get_asstype() != A_CONST) { const char *dispname_str = id->get_dispname().c_str(); error("Local definition `%s' is a constant, but the definition " "inherited from component type `%s' is a %s", dispname_str, p_def->get_my_scope()->get_fullname().c_str(), p_def->get_assname()); p_def->note("The inherited definition of `%s' is here", dispname_str); return false; } Def_Const *p_def_const = dynamic_cast(p_def); if (!p_def_const) FATAL_ERROR("Def_Const::chk_identical()"); if (!type->is_identical(p_def_const->type)) { const char *dispname_str = id->get_dispname().c_str(); type->error("Local constant `%s' has type `%s', but the constant " "inherited from component type `%s' has type `%s'", dispname_str, type->get_typename().c_str(), p_def_const->get_my_scope()->get_fullname().c_str(), p_def_const->type->get_typename().c_str()); p_def_const->note("The inherited constant `%s' is here", dispname_str); return false; } else if (!(*value == *p_def_const->value)) { const char *dispname_str = id->get_dispname().c_str(); value->error("Local constant `%s' and the constant inherited from " "component type `%s' have different values", dispname_str, p_def_const->get_my_scope()->get_fullname().c_str()); p_def_const->note("The inherited constant `%s' is here", dispname_str); return false; } else return true; } void Def_Const::generate_code(output_struct *target, bool) { type->generate_code(target); const_def cdef; Code::init_cdef(&cdef); bool in_class = my_scope->is_class_scope(); type->generate_code_object(&cdef, value, in_class); if (value->is_unfoldable()) { cdef.post = update_location_object(cdef.post); cdef.post = value->generate_code_init(cdef.post, value->get_lhs_name().c_str()); } else { cdef.init = update_location_object(cdef.init); cdef.init = value->generate_code_init(cdef.init, value->get_lhs_name().c_str()); } Code::merge_cdef(target, &cdef, in_class); Code::free_cdef(&cdef); } void Def_Const::generate_code(Common::CodeGenHelper& cgh) { // constant definitions always go to its containing module generate_code(cgh.get_current_outputstruct()); } char *Def_Const::generate_code_str(char *str) { const string& t_genname = get_genname(); const char *genname_str = t_genname.c_str(); if (value->has_single_expr()) { // the value can be represented by a single C++ expression // the object is initialized by the constructor str = mputprintf(str, "%s %s(%s);\n", type->get_genname_value(my_scope).c_str(), genname_str, value->get_single_expr().c_str()); } else { // use the default constructor str = mputprintf(str, "%s %s;\n", type->get_genname_value(my_scope).c_str(), genname_str); // the value is assigned using subsequent statements str = value->generate_code_init(str, genname_str); } if (debugger_active) { str = generate_code_debugger_add_var(str, this); } return str; } void Def_Const::ilt_generate_code(ILT *ilt) { const string& t_genname = get_genname(); const char *genname_str = t_genname.c_str(); char*& def=ilt->get_out_def(); char*& init=ilt->get_out_branches(); def = mputprintf(def, "%s %s;\n", type->get_genname_value(my_scope).c_str(), genname_str); init = value->generate_code_init(init, genname_str); } char *Def_Const::generate_code_init_comp(char *str, Definition *) { /* This function actually does nothing as \a this and \a base_defn are * exactly the same. */ return str; } void Def_Const::dump_internal(unsigned level) const { DEBUG(level, "Constant: %s @%p", id->get_dispname().c_str(), static_cast(this)); type->dump(level + 1); value->dump(level + 1); } // ================================= // ===== Def_ExtConst // ================================= Def_ExtConst::Def_ExtConst(Identifier *p_id, Type *p_type) : Definition(A_EXT_CONST, p_id) { if (!p_type) FATAL_ERROR("Ttcn::Def_ExtConst::Def_ExtConst()"); type = p_type; type->set_ownertype(Type::OT_CONST_DEF, this); usage_found = false; } Def_ExtConst::~Def_ExtConst() { delete type; } Def_ExtConst *Def_ExtConst::clone() const { FATAL_ERROR("Def_ExtConst::clone"); } void Def_ExtConst::set_fullname(const string& p_fullname) { Definition::set_fullname(p_fullname); type->set_fullname(p_fullname + "."); } void Def_ExtConst::set_my_scope(Scope *p_scope) { Definition::set_my_scope(p_scope); type->set_my_scope(p_scope); } Type *Def_ExtConst::get_Type() { chk(); return type; } void Def_ExtConst::chk() { if(checked) return; Error_Context cntxt(this, "In external constant definition `%s'", id->get_dispname().c_str()); type->set_genname(_T_, get_genname()); type->chk(); checked=true; Type *t = type->get_type_refd_last(); switch (t->get_typetype()) { case Type::T_PORT: error("External constant cannot be defined for port type `%s'", t->get_fullname().c_str()); break; case Type::T_SIGNATURE: error("External constant cannot be defined for signature `%s'", t->get_fullname().c_str()); break; case Type::T_CLASS: error("External constant cannot be defined for class type `%s'", t->get_typename().c_str()); break; default: break; } if (w_attrib_path) { w_attrib_path->chk_global_attrib(); switch (type->get_type_refd_last()->get_typetype()) { case Type::T_SEQ_T: case Type::T_SET_T: case Type::T_CHOICE_T: // These types may have qualified attributes break; case Type::T_SEQOF: case Type::T_SETOF: break; default: w_attrib_path->chk_no_qualif(); break; } } } void Def_ExtConst::generate_code(output_struct *target, bool) { type->generate_code(target); target->header.global_vars = mputprintf(target->header.global_vars, "extern const %s& %s;\n", type->get_genname_value(my_scope).c_str(), get_genname().c_str()); } void Def_ExtConst::generate_code(Common::CodeGenHelper& cgh) { // constant definitions always go to its containing module generate_code(cgh.get_current_outputstruct()); } void Def_ExtConst::dump_internal(unsigned level) const { DEBUG(level, "External constant: %s @ %p", id->get_dispname().c_str(), static_cast(this)); type->dump(level + 1); } // ================================= // ===== Def_Modulepar // ================================= Def_Modulepar::Def_Modulepar(Identifier *p_id, Type *p_type, Value *p_defval) : Definition(A_MODULEPAR, p_id) { if (!p_type) FATAL_ERROR("Ttcn::Def_Modulepar::Def_Modulepar()"); type = p_type; type->set_ownertype(Type::OT_MODPAR_DEF, this); def_value = p_defval; } Def_Modulepar::~Def_Modulepar() { delete type; delete def_value; } Def_Modulepar* Def_Modulepar::clone() const { FATAL_ERROR("Def_Modulepar::clone"); } void Def_Modulepar::set_fullname(const string& p_fullname) { Definition::set_fullname(p_fullname); type->set_fullname(p_fullname + "."); if (def_value) def_value->set_fullname(p_fullname + "."); } void Def_Modulepar::set_my_scope(Scope *p_scope) { Definition::set_my_scope(p_scope); type->set_my_scope(p_scope); if (def_value) def_value->set_my_scope(p_scope); } Type *Def_Modulepar::get_Type() { chk(); return type; } void Def_Modulepar::chk() { if(checked) return; Error_Context cntxt(this, "In module parameter definition `%s'", id->get_dispname().c_str()); type->set_genname(_T_, get_genname()); type->chk(); if (w_attrib_path) { w_attrib_path->chk_global_attrib(); switch (type->get_type_refd_last()->get_typetype()) { case Type::T_SEQ_T: case Type::T_SET_T: case Type::T_CHOICE_T: // These types may have qualified attributes break; case Type::T_SEQOF: case Type::T_SETOF: break; default: w_attrib_path->chk_no_qualif(); break; } } map type_chain; map not_allowed; not_allowed.add(Type::T_PORT, 0); Type *t = type->get_type_refd_last(); // if the type is valid the original will be returned Type::typetype_t tt = t->search_for_not_allowed_type(type_chain, not_allowed); type_chain.clear(); not_allowed.clear(); switch (tt) { case Type::T_PORT: error("Type of module parameter cannot be or embed port type `%s'", t->get_fullname().c_str()); break; case Type::T_SIGNATURE: error("Type of module parameter cannot be signature `%s'", t->get_fullname().c_str()); break; case Type::T_CLASS: error("Type of module parameter cannot be or embed class type `%s'", t->get_typename().c_str()); break; case Type::T_FUNCTION: case Type::T_ALTSTEP: case Type::T_TESTCASE: if (t->get_fat_runs_on_self()) { error("Type of module parameter cannot be of function reference type" " `%s' which has runs on self clause", t->get_fullname().c_str()); break; } default: #if defined(MINGW) checked = true; #else if (def_value) { Error_Context cntxt2(def_value, "In default value"); def_value->set_my_governor(type); type->chk_this_value_ref(def_value); checked = true; type->chk_this_value(def_value, 0, Type::EXPECTED_CONSTANT, INCOMPLETE_ALLOWED, OMIT_NOT_ALLOWED, SUB_CHK, has_implicit_omit_attr()); if (!semantic_check_only) { def_value->set_genname_prefix("modulepar_"); def_value->set_genname_recursive(get_genname()); def_value->set_code_section(GovernedSimple::CS_PRE_INIT); } } else checked = true; #endif break; } } void Def_Modulepar::generate_code(output_struct *target, bool) { type->generate_code(target); const_def cdef; Code::init_cdef(&cdef); const string& t_genname = get_genname(); const char *name = t_genname.c_str(); type->generate_code_object(&cdef, my_scope, t_genname, "modulepar_", false, false, false); if (def_value) { cdef.init = update_location_object(cdef.init); cdef.init = def_value->generate_code_init(cdef.init, def_value->get_lhs_name().c_str()); } Code::merge_cdef(target, &cdef); Code::free_cdef(&cdef); if (IMPLICIT_OMIT == has_implicit_omit_attr()) { target->functions.post_init = mputprintf(target->functions.post_init, "modulepar_%s.set_implicit_omit();\n", name); } const char *dispname = id->get_dispname().c_str(); target->functions.set_param = mputprintf(target->functions.set_param, "if (!strcmp(par_name, \"%s\")) {\n" "modulepar_%s.set_param(param);\n" "return TRUE;\n" "} else ", dispname, name); if (use_runtime_2) { target->functions.get_param = mputprintf(target->functions.get_param, "if (!strcmp(par_name, \"%s\")) {\n" "return modulepar_%s.get_param(param_name);\n" "} else ", dispname, name); } if (target->functions.log_param) { // this is not the first modulepar target->functions.log_param = mputprintf(target->functions.log_param, "TTCN_Logger::log_event_str(\", %s := \");\n", dispname); } else { // this is the first modulepar target->functions.log_param = mputprintf(target->functions.log_param, "TTCN_Logger::log_event_str(\"%s := \");\n", dispname); } target->functions.log_param = mputprintf(target->functions.log_param, "%s.log();\n", name); target->functions.pre_init = mputprintf(target->functions.pre_init, "module_object.add_modulepar(\"%s\");\n", dispname); } void Def_Modulepar::generate_code(Common::CodeGenHelper& cgh) { // module parameter definitions always go to its containing module generate_code(cgh.get_current_outputstruct()); } void Def_Modulepar::dump_internal(unsigned level) const { DEBUG(level, "Module parameter: %s @ %p", id->get_dispname().c_str(), static_cast(this)); type->dump(level + 1); if (def_value) def_value->dump(level + 1); else DEBUG(level + 1, "No default value"); } // ================================= // ===== Def_Modulepar_Template // ================================= Def_Modulepar_Template::Def_Modulepar_Template(Identifier *p_id, Type *p_type, Template *p_deftmpl) : Definition(A_MODULEPAR_TEMP, p_id) { if (!p_type) FATAL_ERROR("Ttcn::Def_Modulepar_Template::Def_Modulepar_Template()"); type = p_type; type->set_ownertype(Type::OT_MODPAR_DEF, this); def_template = p_deftmpl; } Def_Modulepar_Template::~Def_Modulepar_Template() { delete type; delete def_template; } Def_Modulepar_Template* Def_Modulepar_Template::clone() const { FATAL_ERROR("Def_Modulepar_Template::clone"); } void Def_Modulepar_Template::set_fullname(const string& p_fullname) { Definition::set_fullname(p_fullname); type->set_fullname(p_fullname + "."); if (def_template) def_template->set_fullname(p_fullname + "."); } void Def_Modulepar_Template::set_my_scope(Scope *p_scope) { Definition::set_my_scope(p_scope); type->set_my_scope(p_scope); if (def_template) def_template->set_my_scope(p_scope); } Type *Def_Modulepar_Template::get_Type() { chk(); return type; } void Def_Modulepar_Template::chk() { if(checked) return; Error_Context cntxt(this, "In template module parameter definition `%s'", id->get_dispname().c_str()); if (w_attrib_path) { w_attrib_path->chk_global_attrib(); switch (type->get_type_refd_last()->get_typetype()) { case Type::T_SEQ_T: case Type::T_SET_T: case Type::T_CHOICE_T: // These types may have qualified attributes break; case Type::T_SEQOF: case Type::T_SETOF: break; default: w_attrib_path->chk_no_qualif(); break; } } type->set_genname(_T_, get_genname()); type->chk(); Type *t = type->get_type_refd_last(); switch (t->get_typetype()) { case Type::T_PORT: error("Type of template module parameter cannot be port type `%s'", t->get_fullname().c_str()); break; case Type::T_SIGNATURE: error("Type of template module parameter cannot be signature `%s'", t->get_fullname().c_str()); break; case Type::T_FUNCTION: case Type::T_ALTSTEP: case Type::T_TESTCASE: if (t->get_fat_runs_on_self()) { error("Type of template module parameter cannot be of function reference type" " `%s' which has runs on self clause", t->get_fullname().c_str()); } break; case Type::T_CLASS: error("Type of template module parameter cannot be class type `%s'", t->get_typename().c_str()); break; default: if (IMPLICIT_OMIT == has_implicit_omit_attr()) { error("Implicit omit not supported for template module parameters"); } #if defined(MINGW) checked = true; #else if (def_template) { Error_Context cntxt2(def_template, "In default template"); def_template->set_my_governor(type); def_template->flatten(false); if (def_template->get_templatetype() == Template::CSTR_PATTERN && type->get_type_refd_last()->get_typetype() == Type::T_USTR) { def_template->set_templatetype(Template::USTR_PATTERN); def_template->get_ustr_pattern()->set_pattern_type( PatternString::USTR_PATTERN); } type->chk_this_template_ref(def_template); checked = true; type->chk_this_template_generic(def_template, INCOMPLETE_ALLOWED, OMIT_ALLOWED, ANY_OR_OMIT_ALLOWED, SUB_CHK, IMPLICIT_OMIT == has_implicit_omit_attr() ? IMPLICIT_OMIT : NOT_IMPLICIT_OMIT, 0); type->chk_this_template_incorrect_field(); if (!semantic_check_only) { def_template->set_genname_prefix("modulepar_"); def_template->set_genname_recursive(get_genname()); def_template->set_code_section(GovernedSimple::CS_PRE_INIT); } } else checked = true; #endif break; } } void Def_Modulepar_Template::generate_code(output_struct *target, bool) { type->generate_code(target); const_def cdef; Code::init_cdef(&cdef); const string& t_genname = get_genname(); const char *name = t_genname.c_str(); type->generate_code_object(&cdef, my_scope, t_genname, "modulepar_", true, false, false); if (def_template) { cdef.init = update_location_object(cdef.init); cdef.init = def_template->generate_code_init(cdef.init, def_template->get_lhs_name().c_str()); } Code::merge_cdef(target, &cdef); Code::free_cdef(&cdef); if (IMPLICIT_OMIT == has_implicit_omit_attr()) { FATAL_ERROR("Def_Modulepar_Template::generate_code()"); } const char *dispname = id->get_dispname().c_str(); target->functions.set_param = mputprintf(target->functions.set_param, "if (!strcmp(par_name, \"%s\")) {\n" "modulepar_%s.set_param(param);\n" "return TRUE;\n" "} else ", dispname, name); target->functions.get_param = mputprintf(target->functions.get_param, "if (!strcmp(par_name, \"%s\")) {\n" "return modulepar_%s.get_param(param_name);\n" "} else ", dispname, name); if (target->functions.log_param) { // this is not the first modulepar target->functions.log_param = mputprintf(target->functions.log_param, "TTCN_Logger::log_event_str(\", %s := \");\n", dispname); } else { // this is the first modulepar target->functions.log_param = mputprintf(target->functions.log_param, "TTCN_Logger::log_event_str(\"%s := \");\n", dispname); } target->functions.log_param = mputprintf(target->functions.log_param, "%s.log();\n", name); target->functions.pre_init = mputprintf(target->functions.pre_init, "module_object.add_modulepar(\"%s\");\n", dispname); } void Def_Modulepar_Template::generate_code(Common::CodeGenHelper& cgh) { // module parameter definitions always go to its containing module generate_code(cgh.get_current_outputstruct()); } void Def_Modulepar_Template::dump_internal(unsigned level) const { DEBUG(level, "Module parameter: %s @ %p", id->get_dispname().c_str(), static_cast(this)); type->dump(level + 1); if (def_template) def_template->dump(level + 1); else DEBUG(level + 1, "No default template"); } // ================================= // ===== Def_Template // ================================= Def_Template::Def_Template(template_restriction_t p_template_restriction, Identifier *p_id, Type *p_type, FormalParList *p_fpl, Reference *p_derived_ref, Template *p_body) : Definition(A_TEMPLATE, p_id), type(p_type), fp_list(p_fpl), derived_ref(p_derived_ref), base_template(0), recurs_deriv_checked(false), body(p_body), template_restriction(p_template_restriction), gen_restriction_check(false) { if (!p_type || !p_body) FATAL_ERROR("Ttcn::Def_Template::Def_Template()"); type->set_ownertype(Type::OT_TEMPLATE_DEF, this); if (fp_list) fp_list->set_my_def(this); } Def_Template::~Def_Template() { delete type; delete fp_list; delete derived_ref; delete body; } Def_Template *Def_Template::clone() const { FATAL_ERROR("Def_Template::clone"); } void Def_Template::set_fullname(const string& p_fullname) { Definition::set_fullname(p_fullname); type->set_fullname(p_fullname + "."); if (fp_list) fp_list->set_fullname(p_fullname + "."); if (derived_ref) derived_ref->set_fullname(p_fullname + "."); body->set_fullname(p_fullname); } void Def_Template::set_my_scope(Scope *p_scope) { bridgeScope.set_parent_scope(p_scope); bridgeScope.set_scopeMacro_name(id->get_dispname()); Definition::set_my_scope(&bridgeScope); type->set_my_scope(&bridgeScope); if (derived_ref) derived_ref->set_my_scope(&bridgeScope); if (fp_list) { fp_list->set_my_scope(&bridgeScope); body->set_my_scope(fp_list); } else body->set_my_scope(&bridgeScope); } Setting *Def_Template::get_Setting() { return get_Template(); } Type *Def_Template::get_Type() { if (!checked) chk(); return type; } Template *Def_Template::get_Template() { if (!checked) chk(); return body; } FormalParList *Def_Template::get_FormalParList() { if (!checked) chk(); return fp_list; } void Def_Template::chk() { if (checked) return; checked = true; Error_Context cntxt(this, "In template definition `%s'", id->get_dispname().c_str()); const string& t_genname = get_genname(); type->set_genname(_T_, t_genname); type->chk(); if (w_attrib_path) { w_attrib_path->chk_global_attrib(true); switch (type->get_type_refd_last()->get_typetype_ttcn3()) { case Type::T_SEQ_T: case Type::T_SET_T: case Type::T_CHOICE_T: // These types may have qualified attributes break; case Type::T_SEQOF: case Type::T_SETOF: break; default: w_attrib_path->chk_no_qualif(); break; } } if (fp_list) { chk_default(); fp_list->chk(asstype); if (local_scope) error("Parameterized local template `%s' not supported", id->get_dispname().c_str()); } // Merge the elements of "all from" into the list body->flatten(false); body->set_my_governor(type); if (body->get_templatetype() == Template::CSTR_PATTERN && type->get_type_refd_last()->get_typetype() == Type::T_USTR) { body->set_templatetype(Template::USTR_PATTERN); body->get_ustr_pattern()->set_pattern_type(PatternString::USTR_PATTERN); } type->chk_this_template_ref(body); Type *t = type->get_type_refd_last(); if (t->get_typetype() == Type::T_PORT) { error("Template cannot be defined for port type `%s'", t->get_fullname().c_str()); } else if (t->get_typetype() == Type::T_CLASS) { error("Template cannot be defined for class type `%s'", t->get_typename().c_str()); } chk_modified(); chk_recursive_derivation(); type->chk_this_template_generic(body, derived_ref != NULL ? INCOMPLETE_ALLOWED : WARNING_FOR_INCOMPLETE, OMIT_ALLOWED, ANY_OR_OMIT_ALLOWED, SUB_CHK, IMPLICIT_OMIT == has_implicit_omit_attr() ? IMPLICIT_OMIT : NOT_IMPLICIT_OMIT, 0); type->chk_this_template_incorrect_field(); erroneous_attrs = chk_erroneous_attr(w_attrib_path, type, get_my_scope(), get_fullname(), false); if (erroneous_attrs) body->add_err_descr(NULL, erroneous_attrs->get_err_descr()); { ReferenceChain refch(type, "While checking embedded recursions"); body->chk_recursions(refch); } if (template_restriction!=TR_NONE) { Error_Context ec(this, "While checking template restriction `%s'", Template::get_restriction_name(template_restriction)); gen_restriction_check = body->chk_restriction("template definition", template_restriction, body); if (fp_list && template_restriction!=TR_PRESENT) { size_t nof_fps = fp_list->get_nof_fps(); for (size_t i=0; iget_fp_byIndex(i); // if formal par is not template then skip restriction checking, // templates can have only `in' parameters if (fp->get_asstype()!=A_PAR_TEMPL_IN) continue; template_restriction_t fp_tr = fp->get_template_restriction(); switch (template_restriction) { case TR_VALUE: case TR_OMIT: switch (fp_tr) { case TR_VALUE: case TR_OMIT: // allowed break; case TR_PRESENT: fp->error("Formal parameter with template restriction `%s' " "not allowed here", Template::get_restriction_name(fp_tr)); break; case TR_NONE: fp->error("Formal parameter without template restriction " "not allowed here"); break; default: FATAL_ERROR("Ttcn::Def_Template::chk()"); } break; default: FATAL_ERROR("Ttcn::Def_Template::chk()"); } } } } if (!semantic_check_only) { if (fp_list) fp_list->set_genname(t_genname); body->set_genname_prefix("template_"); body->set_genname_recursive(t_genname); body->set_code_section(fp_list ? GovernedSimple::CS_INLINE : GovernedSimple::CS_POST_INIT); } } void Def_Template::chk_default() const { if (!fp_list) FATAL_ERROR("Def_Template::chk_default()"); if (!derived_ref) { if (fp_list->has_notused_defval()) fp_list->error("Only modified templates are allowed to use the not " "used symbol (`-') as the default parameter"); return; } Common::Assignment *ass = derived_ref->get_refd_assignment(false); if (!ass || ass->get_asstype() != A_TEMPLATE) return; // Work locally. Def_Template *base = dynamic_cast(ass); if (!base) FATAL_ERROR("Def_Template::chk_default()"); FormalParList *base_fpl = base->get_FormalParList(); size_t nof_base_fps = base_fpl ? base_fpl->get_nof_fps() : 0; size_t nof_local_fps = fp_list ? fp_list->get_nof_fps() : 0; size_t min_fps = nof_base_fps; if (nof_local_fps < nof_base_fps) min_fps = nof_local_fps; for (size_t i = 0; i < min_fps; i++) { FormalPar *local_fp = fp_list->get_fp_byIndex(i); if (local_fp->has_notused_defval()) { FormalPar *base_fp = base_fpl->get_fp_byIndex(i); if (base_fp->has_defval_checked()) { local_fp->set_defval(base_fp->get_defval()); } else { local_fp->error("Not used symbol (`-') doesn't have the " "corresponding default parameter in the " "base template"); } } } // Additional parameters in the derived template with using the not used // symbol. TODO: Merge the loops. for (size_t i = nof_base_fps; i < nof_local_fps; i++) { FormalPar *local_fp = fp_list->get_fp_byIndex(i); if (local_fp->has_notused_defval()) local_fp->error("Not used symbol (`-') doesn't have the " "corresponding default parameter in the " "base template"); } } void Def_Template::chk_modified() { if (!derived_ref) return; // Do not check the (non-existent) actual parameter list of the derived // reference against the formal parameter list of the base template. // According to TTCN-3 syntax the derived reference cannot have parameters // even if the base template is parameterized. Common::Assignment *ass = derived_ref->get_refd_assignment(false); // Checking the existence and type compatibility of the base template. if (!ass) return; if (ass->get_asstype() != A_TEMPLATE) { derived_ref->error("Reference to a template was expected in the " "`modifies' definition instead of %s", ass->get_description().c_str()); return; } base_template = dynamic_cast(ass); if (!base_template) FATAL_ERROR("Def_Template::chk_modified()"); Type *base_type = base_template->get_Type(); TypeCompatInfo info_base(my_scope->get_scope_mod(), type, base_type, true, false, true); TypeChain l_chain_base; TypeChain r_chain_base; if (!type->is_compatible(base_type, &info_base, this, &l_chain_base, &r_chain_base)) { if (info_base.is_subtype_error()) { type->error("%s", info_base.get_subtype_error().c_str()); } else if (!info_base.is_erroneous()) { type->error("The modified template has different type than base " "template `%s': `%s' was expected instead of `%s'", ass->get_fullname().c_str(), base_type->get_typename().c_str(), type->get_typename().c_str()); } else { // Always use the format string. type->error("%s", info_base.get_error_str_str().c_str()); } } else { if (info_base.needs_conversion()) body->set_needs_conversion(); } // Checking formal parameter lists. FormalParList *base_fpl = base_template->get_FormalParList(); size_t nof_base_fps = base_fpl ? base_fpl->get_nof_fps() : 0; size_t nof_local_fps = fp_list ? fp_list->get_nof_fps() : 0; size_t min_fps; if (nof_local_fps < nof_base_fps) { error("The modified template has fewer formal parameters than base " "template `%s': at least %lu parameter%s expected instead of %lu", ass->get_fullname().c_str(), static_cast(nof_base_fps), nof_base_fps > 1 ? "s were" : " was", static_cast(nof_local_fps)); min_fps = nof_local_fps; } else min_fps = nof_base_fps; for (size_t i = 0; i < min_fps; i++) { FormalPar *base_fp = base_fpl->get_fp_byIndex(i); FormalPar *local_fp = fp_list->get_fp_byIndex(i); Error_Context cntxt(local_fp, "In formal parameter #%lu", static_cast(i + 1)); // Check for parameter kind equivalence (value or template). if (base_fp->get_asstype() != local_fp->get_asstype()) local_fp->error("The kind of parameter is not the same as in base " "template `%s': %s was expected instead of %s", ass->get_fullname().c_str(), base_fp->get_assname(), local_fp->get_assname()); // Check for type compatibility. Type *base_fp_type = base_fp->get_Type(); Type *local_fp_type = local_fp->get_Type(); TypeCompatInfo info_par(my_scope->get_scope_mod(), base_fp_type, local_fp_type, true, false); TypeChain l_chain_par; TypeChain r_chain_par; if (!base_fp_type->is_compatible(local_fp_type, &info_par, this, &l_chain_par, &r_chain_par)) { if (info_par.is_subtype_error()) { local_fp_type->error("%s", info_par.get_subtype_error().c_str()); } else if (!info_par.is_erroneous()) { local_fp_type->error("The type of parameter is not the same as in " "base template `%s': `%s' was expected instead " "of `%s'", ass->get_fullname().c_str(), base_fp_type->get_typename().c_str(), local_fp_type->get_typename().c_str()); } else { local_fp_type->error("%s", info_par.get_error_str_str().c_str()); } } else { if (info_par.needs_conversion()) body->set_needs_conversion(); } // Check for name equivalence. const Identifier& base_fp_id = base_fp->get_id(); const Identifier& local_fp_id = local_fp->get_id(); if (!(base_fp_id == local_fp_id)) local_fp->error("The name of parameter is not the same as in base " "template `%s': `%s' was expected instead of `%s'", ass->get_fullname().c_str(), base_fp_id.get_dispname().c_str(), local_fp_id.get_dispname().c_str()); // Check for restrictions: the derived must be same or more restrictive. if (base_fp->get_asstype()==local_fp->get_asstype() && Template::is_less_restrictive(base_fp->get_template_restriction(), local_fp->get_template_restriction())) { local_fp->error("The restriction of parameter is not the same or more " "restrictive as in base template `%s'", ass->get_fullname().c_str()); } } // Set the pointer to the body of base template. body->set_base_template(base_template->get_Template()); } void Def_Template::chk_recursive_derivation() { if (recurs_deriv_checked) return; if (base_template) { ReferenceChain refch(this, "While checking the chain of base templates"); refch.add(get_fullname()); for (Def_Template *iter = base_template; iter; iter = iter->base_template) { if (iter->recurs_deriv_checked) break; else if (refch.add(iter->get_fullname())) iter->recurs_deriv_checked = true; else break; } } recurs_deriv_checked = true; } void Def_Template::generate_code(output_struct *target, bool) { type->generate_code(target); if (body->get_err_descr() != NULL && body->get_err_descr()->has_descr(NULL)) { target->functions.post_init = body->get_err_descr()->generate_code_init_str( NULL, target->functions.post_init, body->get_lhs_name()); } if (fp_list) { // Parameterized template. Generate code for a function which returns // a $(genname)_template and has the appropriate parameters. const string& t_genname = get_genname(); const char *template_name = t_genname.c_str(); const char *template_dispname = id->get_dispname().c_str(); const string& type_genname = type->get_genname_template(my_scope); const char *type_genname_str = type_genname.c_str(); // assemble the function body first (this also determines which parameters // are never used) size_t nof_base_pars = 0; char* function_body = create_location_object(memptystr(), "TEMPLATE", template_dispname); if (debugger_active) { function_body = generate_code_debugger_function_init(function_body, this); } if (base_template) { // modified template function_body = mputprintf(function_body, "%s ret_val(%s", type_genname_str, base_template->get_genname_from_scope(my_scope).c_str()); if (base_template->fp_list) { // the base template is also parameterized function_body = mputc(function_body, '('); nof_base_pars = base_template->fp_list->get_nof_fps(); for (size_t i = 0; i < nof_base_pars; i++) { if (i > 0) function_body = mputstr(function_body, ", "); function_body = mputstr(function_body, fp_list->get_fp_byIndex(i)->get_id().get_name().c_str()); } function_body = mputc(function_body, ')'); } function_body = mputstr(function_body, ");\n"); } else { // simple template function_body = mputprintf(function_body, "%s ret_val;\n", type_genname_str); } function_body = body->generate_code_init(function_body, "ret_val"); if (template_restriction!=TR_NONE && gen_restriction_check) function_body = Template::generate_restriction_check_code(function_body, "ret_val", template_restriction); if (debugger_active) { function_body = mputstr(function_body, "ttcn3_debugger.set_return_value((TTCN_Logger::begin_event_log2str(), " "ret_val.log(), TTCN_Logger::end_event_log2str()));\n"); } if (ErroneousDescriptors::can_have_err_attribs(type)) { // these are always generated, not just if the template has erroneous // descriptors, so adding '@update' statements in other modules does not // require this module's code to be regenerated target->source.global_vars = mputprintf(target->source.global_vars, "Erroneous_descriptor_t* %s_err_descr_ptr = NULL;\n", body->get_lhs_name().c_str()); target->header.global_vars = mputprintf(target->header.global_vars, "extern Erroneous_descriptor_t* %s_err_descr_ptr;\n", body->get_lhs_name().c_str()); function_body = mputprintf(function_body, "ret_val.set_err_descr(%s_err_descr_ptr);\n", body->get_lhs_name().c_str()); } if (body->get_err_descr() != NULL && body->get_err_descr()->has_descr(NULL)) { target->source.global_vars = body->get_err_descr()->generate_code_str(NULL, target->source.global_vars, target->header.global_vars, body->get_lhs_name()); target->functions.post_init = mputprintf(target->functions.post_init, "%s_err_descr_ptr = &%s_%lu_err_descr;\n", body->get_lhs_name().c_str(), body->get_lhs_name().c_str(), static_cast( body->get_err_descr()->get_descr_index(NULL) )); } function_body = mputstr(function_body, "return ret_val;\n"); // if the template modifies a parameterized template, then the inherited // formal parameters must always be displayed, otherwise generate a smart // formal parameter list (where the names of unused parameters are omitted) char *formal_par_list = fp_list->generate_code(memptystr(), nof_base_pars); fp_list->generate_code_defval(target); target->header.function_prototypes = mputprintf(target->header.function_prototypes, "extern %s %s(%s);\n", type_genname_str, template_name, formal_par_list); target->source.function_bodies = mputprintf(target->source.function_bodies, "%s %s(%s)\n" "{\n" "%s" "}\n\n", type_genname_str, template_name, formal_par_list, function_body); Free(formal_par_list); Free(function_body); } else { // non-parameterized template const_def cdef; Code::init_cdef(&cdef); bool in_class = my_scope->is_class_scope(); type->generate_code_object(&cdef, body, in_class); cdef.init = update_location_object(cdef.init); if (base_template) { // modified template if (base_template->my_scope->get_scope_mod_gen() == my_scope->get_scope_mod_gen()) { // if the base template is in the same module its body has to be // initialized first cdef.init = base_template->body->generate_code_init(cdef.init, base_template->body->get_lhs_name().c_str()); } if (use_runtime_2 && body->get_needs_conversion()) { Type *body_type = body->get_my_governor()->get_type_refd_last(); Type *base_type = base_template->body->get_my_governor() ->get_type_refd_last(); if (!body_type || !base_type) FATAL_ERROR("Def_Template::generate_code()"); const string& tmp_id = body->get_temporary_id(); const char *tmp_id_str = tmp_id.c_str(); // base template initialization cdef.init = mputprintf(cdef.init, "%s %s;\n" "if (!%s(%s, %s)) TTCN_error(\"Values or templates of types `%s' " "and `%s' are not compatible at run-time\");\n" "%s = %s;\n", body_type->get_genname_template(my_scope).c_str(), tmp_id_str, TypeConv::get_conv_func(base_type, body_type, my_scope ->get_scope_mod()).c_str(), tmp_id_str, base_template ->get_genname_from_scope(my_scope).c_str(), base_type ->get_typename().c_str(), body_type->get_typename().c_str(), body->get_lhs_name().c_str(), tmp_id_str); } else { cdef.init = mputprintf(cdef.init, "%s = %s;\n", body->get_lhs_name().c_str(), base_template->get_genname_from_scope(my_scope).c_str()); } } if (use_runtime_2 && TypeConv::needs_conv_refd(body)) cdef.init = TypeConv::gen_conv_code_refd(cdef.init, body->get_lhs_name().c_str(), body); else cdef.init = body->generate_code_init(cdef.init, body->get_lhs_name().c_str()); if (template_restriction != TR_NONE && gen_restriction_check) cdef.init = Template::generate_restriction_check_code(cdef.init, body->get_lhs_name().c_str(), template_restriction); if (body->get_err_descr() != NULL && body->get_err_descr()->has_descr(NULL)) { cdef.init = mputprintf(cdef.init, "%s.set_err_descr(&%s_%lu_err_descr);\n", body->get_lhs_name().c_str(), body->get_lhs_name().c_str(), static_cast( body->get_err_descr()->get_descr_index(NULL) )); } char*& header = in_class ? target->header.class_defs : target->header.global_vars; header = mputstr(header, cdef.decl); char*& source = in_class ? target->temp.constructor_init : target->source.global_vars; source = mputstr(source, cdef.def); char*& init = in_class ? target->temp.constructor_preamble : target->functions.post_init; init = mputstr(init, cdef.init); Code::free_cdef(&cdef); } } void Def_Template::generate_code(Common::CodeGenHelper& cgh) { generate_code(cgh.get_outputstruct(this)); } char *Def_Template::generate_code_str(char *str) { if (fp_list) { const char *dispname_str = id->get_dispname().c_str(); NOTSUPP("Code generation for parameterized local template `%s'", dispname_str); str = mputprintf(str, "/* NOT SUPPORTED: template %s */\n", dispname_str); } else { const string& t_genname = get_genname(); const char *genname_str = t_genname.c_str(); const string& type_genname = type->get_genname_template(my_scope); const char *type_genname_str = type_genname.c_str(); if (base_template) { // non-parameterized modified template if (use_runtime_2 && body->get_needs_conversion()) { Type *body_type = body->get_my_governor()->get_type_refd_last(); Type *base_type = base_template->body->get_my_governor() ->get_type_refd_last(); if (!body_type || !base_type) FATAL_ERROR("Def_Template::generate_code_str()"); const string& tmp_id = body->get_temporary_id(); const char *tmp_id_str = tmp_id.c_str(); str = mputprintf(str, "%s %s;\n" "if (!%s(%s, %s)) TTCN_error(\"Values or templates of types `%s' " "and `%s' are not compatible at run-time\");\n" "%s %s(%s);\n", body_type->get_genname_template(my_scope).c_str(), tmp_id_str, TypeConv::get_conv_func(base_type, body_type, my_scope ->get_scope_mod()).c_str(), tmp_id_str, base_template ->get_genname_from_scope(my_scope).c_str(), base_type ->get_typename().c_str(), body_type->get_typename().c_str(), type_genname_str, genname_str, tmp_id_str); } else { // the object is initialized from the base template by the // constructor str = mputprintf(str, "%s %s(%s);\n", type_genname_str, genname_str, base_template->get_genname_from_scope(my_scope).c_str()); } // the modified body is assigned in the subsequent statements str = body->generate_code_init(str, genname_str); } else { // non-parameterized non-modified template if (body->has_single_expr()) { // the object is initialized by the constructor str = mputprintf(str, "%s %s(%s);\n", type_genname_str, genname_str, body->get_single_expr(false).c_str()); // make sure the template's code is not generated twice (TR: HU56425) body->set_code_generated(); } else { // the default constructor is used str = mputprintf(str, "%s %s;\n", type_genname_str, genname_str); // the body is assigned in the subsequent statements str = body->generate_code_init(str, genname_str); } } if (template_restriction != TR_NONE && gen_restriction_check) str = Template::generate_restriction_check_code(str, genname_str, template_restriction); } if (debugger_active) { str = generate_code_debugger_add_var(str, this); } return str; } void Def_Template::ilt_generate_code(ILT *ilt) { char*& def=ilt->get_out_def(); char*& init=ilt->get_out_branches(); if (fp_list) { const char *dispname_str = id->get_dispname().c_str(); NOTSUPP("Code generation for parameterized local template `%s'", dispname_str); def = mputprintf(def, "/* NOT SUPPORTED: template %s */\n", dispname_str); init = mputprintf(init, "/* NOT SUPPORTED: template %s */\n", dispname_str); } else { const string& t_genname = get_genname(); const char *genname_str = t_genname.c_str(); // non-parameterized template // use the default constructor for initialization def = mputprintf(def, "%s %s;\n", type->get_genname_template(my_scope).c_str(), genname_str); if (base_template) { // copy the base template with an assignment init = mputprintf(init, "%s = %s;\n", genname_str, base_template->get_genname_from_scope(my_scope).c_str()); } // finally assign the body init = body->generate_code_init(init, genname_str); if (template_restriction!=TR_NONE && gen_restriction_check) init = Template::generate_restriction_check_code(init, genname_str, template_restriction); } } void Def_Template::dump_internal(unsigned level) const { DEBUG(level, "Template: %s", id->get_dispname().c_str()); if (fp_list) fp_list->dump(level + 1); if (derived_ref) DEBUG(level + 1, "modifies: %s", derived_ref->get_dispname().c_str()); if (template_restriction!=TR_NONE) DEBUG(level + 1, "restriction: %s", Template::get_restriction_name(template_restriction)); type->dump(level + 1); body->dump(level + 1); } // ================================= // ===== Def_Var // ================================= Def_Var::Def_Var(Identifier *p_id, Type *p_type, Value *p_initial_value) : Definition(A_VAR, p_id), type(p_type), initial_value(p_initial_value) { if (!p_type) FATAL_ERROR("Ttcn::Def_Var::Def_Var()"); type->set_ownertype(Type::OT_VAR_DEF, this); } Def_Var::~Def_Var() { delete type; delete initial_value; } Def_Var *Def_Var::clone() const { FATAL_ERROR("Def_Var::clone"); } void Def_Var::set_fullname(const string& p_fullname) { Definition::set_fullname(p_fullname); type->set_fullname(p_fullname + "."); if (initial_value) initial_value->set_fullname(p_fullname + "."); } void Def_Var::set_my_scope(Scope *p_scope) { Definition::set_my_scope(p_scope); type->set_my_scope(p_scope); if (initial_value) initial_value->set_my_scope(p_scope); } Type *Def_Var::get_Type() { chk(); return type; } void Def_Var::chk() { if(checked) return; Error_Context cntxt(this, "In variable definition `%s'", id->get_dispname().c_str()); type->set_genname(_T_, get_genname()); type->chk(); checked = true; Type *t = type->get_type_refd_last(); switch (t->get_typetype()) { case Type::T_PORT: error("Variable cannot be defined for port type `%s'", t->get_fullname().c_str()); break; case Type::T_SIGNATURE: error("Variable cannot be defined for signature `%s'", t->get_fullname().c_str()); break; default: if (initial_value) { initial_value->set_my_governor(type); type->chk_this_value_ref(initial_value); type->chk_this_value(initial_value, this, is_local() ? Type::EXPECTED_DYNAMIC_VALUE : Type::EXPECTED_STATIC_VALUE, INCOMPLETE_ALLOWED, OMIT_NOT_ALLOWED, SUB_CHK); if (!semantic_check_only) { initial_value->set_genname_recursive(get_genname()); initial_value->set_code_section(GovernedSimple::CS_INLINE); } } break; } if (w_attrib_path) { w_attrib_path->chk_global_attrib(); w_attrib_path->chk_no_qualif(); } } bool Def_Var::chk_identical(Definition *p_def) { chk(); p_def->chk(); if (p_def->get_asstype() != A_VAR) { const char *dispname_str = id->get_dispname().c_str(); error("Local definition `%s' is a variable, but the definition " "inherited from component type `%s' is a %s", dispname_str, p_def->get_my_scope()->get_fullname().c_str(), p_def->get_assname()); p_def->note("The inherited definition of `%s' is here", dispname_str); return false; } Def_Var *p_def_var = dynamic_cast(p_def); if (!p_def_var) FATAL_ERROR("Def_Var::chk_identical()"); if (!type->is_identical(p_def_var->type)) { const char *dispname_str = id->get_dispname().c_str(); type->error("Local variable `%s' has type `%s', but the variable " "inherited from component type `%s' has type `%s'", dispname_str, type->get_typename().c_str(), p_def_var->get_my_scope()->get_fullname().c_str(), p_def_var->type->get_typename().c_str()); p_def_var->note("The inherited variable `%s' is here", dispname_str); return false; } if (initial_value) { if (p_def_var->initial_value) { if (!initial_value->is_unfoldable() && !p_def_var->initial_value->is_unfoldable() && !(*initial_value == *p_def_var->initial_value)) { const char *dispname_str = id->get_dispname().c_str(); initial_value->warning("Local variable `%s' and the variable " "inherited from component type `%s' have different initial values", dispname_str, p_def_var->get_my_scope()->get_fullname().c_str()); p_def_var->note("The inherited variable `%s' is here", dispname_str); } } else { const char *dispname_str = id->get_dispname().c_str(); initial_value->warning("Local variable `%s' has initial value, but " "the variable inherited from component type `%s' does not", dispname_str, p_def_var->get_my_scope()->get_fullname().c_str()); p_def_var->note("The inherited variable `%s' is here", dispname_str); } } else if (p_def_var->initial_value) { const char *dispname_str = id->get_dispname().c_str(); warning("Local variable `%s' does not have initial value, but the " "variable inherited from component type `%s' has", dispname_str, p_def_var->get_my_scope()->get_fullname().c_str()); p_def_var->note("The inherited variable `%s' is here", dispname_str); } return true; } void Def_Var::generate_code(output_struct *target, bool clean_up) { type->generate_code(target); const_def cdef; Code::init_cdef(&cdef); bool in_class = my_scope->is_class_scope(); type->generate_code_object(&cdef, my_scope, get_genname(), 0, false, false, in_class); Code::merge_cdef(target, &cdef, in_class); Code::free_cdef(&cdef); if (initial_value) { char*& init = in_class ? target->temp.constructor_preamble : target->functions.init_comp; string lhs = initial_value->get_lhs_name(); if (in_class) { lhs = string("this->") + lhs; } init = initial_value->generate_code_init(init, lhs.c_str()); } else if (clean_up) { // No initial value. target->functions.init_comp = mputprintf(target->functions.init_comp, "%s.clean_up();\n", get_genname().c_str()); } } void Def_Var::generate_code(CodeGenHelper& cgh) { generate_code(cgh.get_outputstruct(this)); } char *Def_Var::generate_code_str(char *str) { const string& t_genname = get_genname(); const char *genname_str = t_genname.c_str(); string type_name = type->get_genname_value(my_scope); if (initial_value && initial_value->has_single_expr()) { // the initial value can be represented by a single C++ expression // the object is initialized by the constructor str = mputprintf(str, "%s %s(%s);\n", type_name.c_str(), genname_str, initial_value->get_single_expr().c_str()); } else { // use the default constructor str = mputprintf(str, "%s %s;\n", type_name.c_str(), genname_str); if (initial_value) { // the initial value is assigned using subsequent statements str = initial_value->generate_code_init(str, genname_str); } } if (debugger_active) { str = generate_code_debugger_add_var(str, this); } return str; } void Def_Var::ilt_generate_code(ILT *ilt) { const string& t_genname = get_genname(); const char *genname_str = t_genname.c_str(); char*& def=ilt->get_out_def(); char*& init=ilt->get_out_branches(); def = mputprintf(def, "%s %s;\n", type->get_genname_value(my_scope).c_str(), genname_str); if (initial_value) init = initial_value->generate_code_init(init, genname_str); } char *Def_Var::generate_code_init_comp(char *str, Definition *base_defn) { if (initial_value) { str = initial_value->generate_code_init(str, base_defn->get_genname_from_scope(my_scope).c_str()); } return str; } void Def_Var::dump_internal(unsigned level) const { DEBUG(level, "Variable %s", id->get_dispname().c_str()); type->dump(level + 1); if (initial_value) initial_value->dump(level + 1); } // ================================= // ===== Def_Exception // ================================= Def_Exception::Def_Exception(Identifier* p_id, Type* p_type): Def_Var(p_id, p_type, NULL) { asstype = Common::Assignment::A_EXCEPTION; } char* Def_Exception::generate_code_str(char *str) { return mputprintf(str, "EXCEPTION<%s>& %s = static_cast&>(exc_base);\n", type->get_genname_value(my_scope).c_str(), id->get_name().c_str(), type->get_genname_value(my_scope).c_str()); } // ================================= // ===== Def_Var_Template // ================================= Def_Var_Template::Def_Var_Template(Identifier *p_id, Type *p_type, Template *p_initial_value, template_restriction_t p_template_restriction) : Definition(A_VAR_TEMPLATE, p_id), type(p_type), initial_value(p_initial_value), template_restriction(p_template_restriction) { if (!p_type) FATAL_ERROR("Ttcn::Def_Var_Template::Def_Var_Template()"); type->set_ownertype(Type::OT_VARTMPL_DEF, this); } Def_Var_Template::~Def_Var_Template() { delete type; delete initial_value; } Def_Var_Template *Def_Var_Template::clone() const { FATAL_ERROR("Def_Var_Template::clone"); } void Def_Var_Template::set_fullname(const string& p_fullname) { Definition::set_fullname(p_fullname); type->set_fullname(p_fullname + "."); if (initial_value) initial_value->set_fullname(p_fullname + "."); } void Def_Var_Template::set_my_scope(Scope *p_scope) { Definition::set_my_scope(p_scope); type->set_my_scope(p_scope); if (initial_value) initial_value->set_my_scope(p_scope); } Type *Def_Var_Template::get_Type() { chk(); return type; } void Def_Var_Template::chk() { if(checked) return; Error_Context cntxt(this, "In template variable definition `%s'", id->get_dispname().c_str()); type->set_genname(_T_, get_genname()); type->chk(); checked = true; Type *t = type->get_type_refd_last(); if (t->get_typetype() == Type::T_PORT) { error("Template variable cannot be defined for port type `%s'", t->get_fullname().c_str()); } else if (t->get_typetype() == Type::T_CLASS) { error("Template variable cannot be defined for class type `%s'", t->get_typename().c_str()); } if (initial_value) { initial_value->set_my_governor(type); initial_value->flatten(false); if (initial_value->get_templatetype() == Template::CSTR_PATTERN && type->get_type_refd_last()->get_typetype() == Type::T_USTR) { initial_value->set_templatetype(Template::USTR_PATTERN); initial_value->get_ustr_pattern()->set_pattern_type( PatternString::USTR_PATTERN); } type->chk_this_template_ref(initial_value); type->chk_this_template_generic(initial_value, INCOMPLETE_ALLOWED, OMIT_ALLOWED, ANY_OR_OMIT_ALLOWED, SUB_CHK, IMPLICIT_OMIT, 0); gen_restriction_check = initial_value->chk_restriction("template variable definition", template_restriction, initial_value); type->chk_this_template_incorrect_field(); if (!semantic_check_only) { initial_value->set_genname_recursive(get_genname()); initial_value->set_code_section(GovernedSimple::CS_INLINE); } } if (w_attrib_path) { w_attrib_path->chk_global_attrib(); w_attrib_path->chk_no_qualif(); } } bool Def_Var_Template::chk_identical(Definition *p_def) { chk(); p_def->chk(); if (p_def->get_asstype() != A_VAR_TEMPLATE) { const char *dispname_str = id->get_dispname().c_str(); error("Local definition `%s' is a template variable, but the definition " "inherited from component type `%s' is a %s", dispname_str, p_def->get_my_scope()->get_fullname().c_str(), p_def->get_assname()); p_def->note("The inherited definition of `%s' is here", dispname_str); return false; } Def_Var_Template *p_def_var_template = dynamic_cast(p_def); if (!p_def_var_template) FATAL_ERROR("Def_Var_Template::chk_identical()"); if (!type->is_identical(p_def_var_template->type)) { const char *dispname_str = id->get_dispname().c_str(); type->error("Local template variable `%s' has type `%s', but the " "template variable inherited from component type `%s' has type `%s'", dispname_str, type->get_typename().c_str(), p_def_var_template->get_my_scope()->get_fullname().c_str(), p_def_var_template->type->get_typename().c_str()); p_def_var_template->note("The inherited template variable `%s' is here", dispname_str); return false; } if (initial_value) { if (!p_def_var_template->initial_value) { const char *dispname_str = id->get_dispname().c_str(); initial_value->warning("Local template variable `%s' has initial " "value, but the template variable inherited from component type " "`%s' does not", dispname_str, p_def_var_template->get_my_scope()->get_fullname().c_str()); p_def_var_template->note("The inherited template variable `%s' is here", dispname_str); } } else if (p_def_var_template->initial_value) { const char *dispname_str = id->get_dispname().c_str(); warning("Local template variable `%s' does not have initial value, but " "the template variable inherited from component type `%s' has", dispname_str, p_def_var_template->get_my_scope()->get_fullname().c_str()); p_def_var_template->note("The inherited template variable `%s' is here", dispname_str); } return true; } void Def_Var_Template::generate_code(output_struct *target, bool clean_up) { type->generate_code(target); const_def cdef; Code::init_cdef(&cdef); bool in_class = my_scope->is_class_scope(); type->generate_code_object(&cdef, my_scope, get_genname(), 0, true, false, in_class); Code::merge_cdef(target, &cdef, in_class); Code::free_cdef(&cdef); if (initial_value) { char*& init = in_class ? target->temp.constructor_preamble : target->functions.init_comp; string lhs = initial_value->get_lhs_name(); if (in_class) { lhs = string("this->") + lhs; } if (Common::Type::T_SEQOF == initial_value->get_my_governor()->get_typetype() || Common::Type::T_ARRAY == initial_value->get_my_governor()->get_typetype()) { init = mputprintf(init, "%s.remove_all_permutations();\n", lhs.c_str()); } init = initial_value->generate_code_init(init, lhs.c_str()); if (template_restriction!=TR_NONE && gen_restriction_check) init = Template::generate_restriction_check_code(init, lhs.c_str(), template_restriction); } else if (clean_up) { // No initial value. // Always reset component variables/variable templates on component // reinitialization. Fix for HM79493. target->functions.init_comp = mputprintf(target->functions.init_comp, "%s.clean_up();\n", get_genname().c_str()); } } void Def_Var_Template::generate_code(CodeGenHelper& cgh) { generate_code(cgh.get_outputstruct(this)); } char *Def_Var_Template::generate_code_str(char *str) { const string& t_genname = get_genname(); const char *genname_str = t_genname.c_str(); if (initial_value && initial_value->has_single_expr()) { // The initial value can be represented by a single C++ expression // the object is initialized by the constructor. str = mputprintf(str, "%s %s(%s);\n", type->get_genname_template(my_scope).c_str(), genname_str, initial_value->get_single_expr(false).c_str()); } else { // Use the default constructor. str = mputprintf(str, "%s %s;\n", type->get_genname_template(my_scope).c_str(), genname_str); if (initial_value) { // The initial value is assigned using subsequent statements. if (use_runtime_2 && TypeConv::needs_conv_refd(initial_value)) str = TypeConv::gen_conv_code_refd(str, genname_str, initial_value); else str = initial_value->generate_code_init(str, genname_str); } } if (initial_value && template_restriction != TR_NONE && gen_restriction_check) str = Template::generate_restriction_check_code(str, genname_str, template_restriction); if (debugger_active) { str = generate_code_debugger_add_var(str, this); } return str; } void Def_Var_Template::ilt_generate_code(ILT *ilt) { const string& t_genname = get_genname(); const char *genname_str = t_genname.c_str(); char*& def=ilt->get_out_def(); def = mputprintf(def, "%s %s;\n", type->get_genname_template(my_scope).c_str(), genname_str); if (initial_value) { char*& init=ilt->get_out_branches(); init = initial_value->generate_code_init(init, genname_str); if (template_restriction!=TR_NONE && gen_restriction_check) init = Template::generate_restriction_check_code(init, genname_str, template_restriction); } } char *Def_Var_Template::generate_code_init_comp(char *str, Definition *base_defn) { if (initial_value) { str = initial_value->generate_code_init(str, base_defn->get_genname_from_scope(my_scope).c_str()); if (template_restriction != TR_NONE && gen_restriction_check) str = Template::generate_restriction_check_code(str, base_defn->get_genname_from_scope(my_scope).c_str(), template_restriction); } return str; } void Def_Var_Template::dump_internal(unsigned level) const { DEBUG(level, "Template variable %s", id->get_dispname().c_str()); if (template_restriction!=TR_NONE) DEBUG(level + 1, "restriction: %s", Template::get_restriction_name(template_restriction)); type->dump(level + 1); if (initial_value) initial_value->dump(level + 1); } // ================================= // ===== Def_Timer // ================================= Def_Timer::~Def_Timer() { delete dimensions; delete default_duration; } Def_Timer *Def_Timer::clone() const { FATAL_ERROR("Def_Timer::clone"); } void Def_Timer::set_fullname(const string& p_fullname) { Definition::set_fullname(p_fullname); if (dimensions) dimensions->set_fullname(p_fullname + "."); if (default_duration) default_duration->set_fullname(p_fullname + "."); } void Def_Timer::set_my_scope(Scope *p_scope) { Definition::set_my_scope(p_scope); if (dimensions) dimensions->set_my_scope(p_scope); if (default_duration) default_duration->set_my_scope(p_scope); } ArrayDimensions *Def_Timer::get_Dimensions() { if (!checked) chk(); return dimensions; } void Def_Timer::chk() { if(checked) return; Error_Context cntxt(this, "In timer definition `%s'", id->get_dispname().c_str()); if (dimensions) dimensions->chk(); if (default_duration) { Error_Context cntxt2(default_duration, "In default duration"); if (dimensions) chk_array_duration(default_duration); else chk_single_duration(default_duration); if (!semantic_check_only) { default_duration->set_code_section(GovernedSimple::CS_POST_INIT); } } checked = true; if (w_attrib_path) { w_attrib_path->chk_global_attrib(); w_attrib_path->chk_no_qualif(); } } bool Def_Timer::chk_identical(Definition *p_def) { chk(); p_def->chk(); if (p_def->get_asstype() != A_TIMER) { const char *dispname_str = id->get_dispname().c_str(); error("Local definition `%s' is a timer, but the definition inherited " "from component type `%s' is a %s", dispname_str, p_def->get_my_scope()->get_fullname().c_str(), p_def->get_assname()); p_def->note("The inherited definition of `%s' is here", dispname_str); return false; } Def_Timer *p_def_timer = dynamic_cast(p_def); if (!p_def_timer) FATAL_ERROR("Def_Timer::chk_identical()"); if (dimensions) { if (p_def_timer->dimensions) { if (!dimensions->is_identical(p_def_timer->dimensions)) { const char *dispname_str = id->get_dispname().c_str(); error("Local timer `%s' and the timer inherited from component type " "`%s' have different array dimensions", dispname_str, p_def_timer->get_my_scope()->get_fullname().c_str()); p_def_timer->note("The inherited timer `%s' is here", dispname_str); return false; } } else { const char *dispname_str = id->get_dispname().c_str(); error("Local definition `%s' is a timer array, but the definition " "inherited from component type `%s' is a single timer", dispname_str, p_def_timer->get_my_scope()->get_fullname().c_str()); p_def_timer->note("The inherited timer `%s' is here", dispname_str); return false; } } else if (p_def_timer->dimensions) { const char *dispname_str = id->get_dispname().c_str(); error("Local definition `%s' is a single timer, but the definition " "inherited from component type `%s' is a timer array", dispname_str, p_def_timer->get_my_scope()->get_fullname().c_str()); p_def_timer->note("The inherited timer `%s' is here", dispname_str); return false; } if (default_duration) { if (p_def_timer->default_duration) { if (!default_duration->is_unfoldable() && !p_def_timer->default_duration->is_unfoldable() && !(*default_duration == *p_def_timer->default_duration)) { const char *dispname_str = id->get_dispname().c_str(); default_duration->warning("Local timer `%s' and the timer inherited " "from component type `%s' have different default durations", dispname_str, p_def_timer->get_my_scope()->get_fullname().c_str()); p_def_timer->note("The inherited timer `%s' is here", dispname_str); } } else { const char *dispname_str = id->get_dispname().c_str(); default_duration->error("Local timer `%s' has default duration, but " "the timer inherited from component type `%s' does not", dispname_str, p_def_timer->get_my_scope()->get_fullname().c_str()); p_def_timer->note("The inherited timer `%s' is here", dispname_str); return false; } } else if (p_def_timer->default_duration) { const char *dispname_str = id->get_dispname().c_str(); error("Local timer `%s' does not have default duration, but the timer " "inherited from component type `%s' has", dispname_str, p_def_timer->get_my_scope()->get_fullname().c_str()); p_def_timer->note("The inherited timer `%s' is here", dispname_str); return false; } return true; } bool Def_Timer::has_default_duration(FieldOrArrayRefs *p_subrefs) { // return true in case of any uncertainity if (!default_duration) return false; else if (!dimensions || !p_subrefs) return true; Value *v = default_duration; size_t nof_dims = dimensions->get_nof_dims(); size_t nof_refs = p_subrefs->get_nof_refs(); size_t upper_limit = nof_dims < nof_refs ? nof_dims : nof_refs; for (size_t i = 0; i < upper_limit; i++) { v = v->get_value_refd_last(); if (v->get_valuetype() != Value::V_SEQOF) break; FieldOrArrayRef *ref = p_subrefs->get_ref(i); if (ref->get_type() != FieldOrArrayRef::ARRAY_REF) return true; Value *v_index = ref->get_val()->get_value_refd_last(); if (v_index->get_valuetype() != Value::V_INT) return true; Int index = v_index->get_val_Int()->get_val() - dimensions->get_dim_byIndex(i)->get_offset(); if (index >= 0 && index < static_cast(v->get_nof_comps())) v = v->get_comp_byIndex(index); else return true; } return v->get_valuetype() != Value::V_NOTUSED; } void Def_Timer::chk_single_duration(Value *dur) { dur->chk_expr_float(is_local() ? Type::EXPECTED_DYNAMIC_VALUE : Type::EXPECTED_STATIC_VALUE); Value *v = dur->get_value_refd_last(); if (v->get_valuetype() == Value::V_REAL) { ttcn3float v_real = v->get_val_Real(); if ( (v_real<0.0) || isSpecialFloatValue(v_real) ) { dur->error("A non-negative float value was expected " "as timer duration instead of `%s'", Real2string(v_real).c_str()); } } } void Def_Timer::chk_array_duration(Value *dur, size_t start_dim) { ArrayDimension *dim = dimensions->get_dim_byIndex(start_dim); bool array_size_known = !dim->get_has_error(); size_t array_size = 0; if (array_size_known) array_size = dim->get_size(); Value *v = dur->get_value_refd_last(); switch (v->get_valuetype()) { case Value::V_ERROR: return; case Value::V_SEQOF: { size_t nof_vs = v->get_nof_comps(); // Value-list notation. if (!v->is_indexed()) { if (array_size_known) { if (array_size > nof_vs) { dur->error("Too few elements in the default duration of timer " "array: %lu was expected instead of %lu", static_cast(array_size), static_cast(nof_vs)); } else if (array_size < nof_vs) { dur->error("Too many elements in the default duration of timer " "array: %lu was expected instead of %lu", static_cast(array_size), static_cast(nof_vs)); } } bool last_dimension = start_dim + 1 >= dimensions->get_nof_dims(); for (size_t i = 0; i < nof_vs; i++) { Value *array_v = v->get_comp_byIndex(i); if (array_v->get_valuetype() == Value::V_NOTUSED) continue; if (last_dimension) chk_single_duration(array_v); else chk_array_duration(array_v, start_dim + 1); } } else { // Indexed-notation. bool last_dimension = start_dim + 1 >= dimensions->get_nof_dims(); map index_map; for (size_t i = 0; i < nof_vs; i++) { Value *array_v = v->get_comp_byIndex(i); if (array_v->get_valuetype() == Value::V_NOTUSED) continue; if (last_dimension) chk_single_duration(array_v); else chk_array_duration(array_v, start_dim + 1); Error_Context cntxt(this, "In timer array element %lu", static_cast(i + 1)); Value *index = v->get_index_byIndex(i); dim->chk_index(index, Type::EXPECTED_DYNAMIC_VALUE); if (index->get_value_refd_last()->get_valuetype() == Value::V_INT) { const int_val_t *index_int = index->get_value_refd_last() ->get_val_Int(); if (*index_int > INT_MAX) { index->error("An integer value less than `%d' was expected for " "indexing timer array instead of `%s'", INT_MAX, (index_int->t_str()).c_str()); index->set_valuetype(Value::V_ERROR); } else { Int index_val = index_int->get_val(); if (index_map.has_key(index_val)) { index->error("Duplicate index value `%s' for timer array " "elements `%s' and `%s'", Int2string(index_val).c_str(), Int2string(static_cast(i) + 1).c_str(), Int2string(*index_map[index_val]).c_str()); index->set_valuetype(Value::V_ERROR); } else { index_map.add(index_val, new Int(static_cast(i + 1))); } } } } // It's not possible to have "index_map.size() > array_size", since we // add only correct constant-index values into the map. It's possible // to create partially initialized timer arrays. for (size_t i = 0; i < index_map.size(); i++) delete index_map.get_nth_elem(i); index_map.clear(); } break; } default: if (array_size_known) { dur->error("An array value (with %lu elements) was expected as " "default duration of timer array", static_cast(array_size)); } else { dur->error("An array value was expected as default duration of timer " "array"); } dur->set_valuetype(Value::V_ERROR); return; } } void Def_Timer::generate_code(output_struct *target, bool) { const string& t_genname = get_genname(); const char *genname_str = t_genname.c_str(); const string& dispname = id->get_dispname(); bool in_class = my_scope->is_class_scope(); char*& header = in_class ? target->header.class_defs : target->header.global_vars; char*& source = in_class ? target->temp.constructor_preamble : target->source.global_vars; char*& pre_init = in_class ? target->temp.constructor_preamble : target->functions.pre_init; char*& post_init = in_class ? target->temp.constructor_preamble : target->functions.post_init; if (dimensions) { // timer array const string& array_type = dimensions->get_timer_type(); const char *array_type_str = array_type.c_str(); header = mputprintf(header, "%s%s %s;\n", in_class ? "" : "extern ", array_type_str, genname_str); if (!in_class) { source = mputprintf(source, "%s %s;\n", array_type_str, genname_str); } pre_init = mputstr(pre_init, "{\n" "static const char * const timer_name = \""); pre_init = mputstr(pre_init, dispname.c_str()); pre_init = mputprintf(pre_init, "\";\n" "%s.set_name(timer_name);\n" "}\n", genname_str); if (default_duration) post_init = generate_code_array_duration(post_init, genname_str, default_duration); } else { // single timer header = mputprintf(header, "%sTIMER %s;\n", in_class ? "" : "extern ", genname_str); if (default_duration) { // has default duration Value *v = default_duration->get_value_refd_last(); if (v->get_valuetype() == Value::V_REAL) { // duration is known at compilation time -> set in the constructor if (in_class) { source = mputprintf(source, "%s.set_name(\"%s\");\n" "%s.set_default_duration(%s);\n", genname_str, dispname.c_str(), genname_str, v->get_single_expr().c_str()); } else { source = mputprintf(source, "TIMER %s(\"%s\", %s);\n", genname_str, dispname.c_str(), v->get_single_expr().c_str()); } } else { // duration is known only at runtime -> set in post_init if (in_class) { source = mputprintf(source, "%s.set_name(\"%s\");\n", genname_str, dispname.c_str()); } else { source = mputprintf(source, "TIMER %s(\"%s\");\n", genname_str, dispname.c_str()); } expression_struct expr; Code::init_expr(&expr); expr.expr = mputprintf(expr.expr, "%s.set_default_duration(", genname_str); default_duration->generate_code_expr(&expr); expr.expr = mputc(expr.expr, ')'); post_init = Code::merge_free_expr(post_init, &expr); } } else { // does not have default duration if (in_class) { source = mputprintf(source, "%s.set_name(\"%s\");\n", genname_str, dispname.c_str()); } else { source = mputprintf(source, "TIMER %s(\"%s\");\n", genname_str, dispname.c_str()); } } } } void Def_Timer::generate_code(CodeGenHelper& cgh) { generate_code(cgh.get_current_outputstruct()); } char *Def_Timer::generate_code_array_duration(char *str, const char *object_name, Value *dur, size_t start_dim) { ArrayDimension *dim = dimensions->get_dim_byIndex(start_dim); size_t dim_size = dim->get_size(); Value *v = dur->get_value_refd_last(); if (v->get_valuetype() != Value::V_SEQOF || (v->get_nof_comps() != dim_size && !v->is_indexed())) FATAL_ERROR("Def_Timer::generate_code_array_duration()"); // Value-list notation. if (!v->is_indexed()) { if (start_dim + 1 < dimensions->get_nof_dims()) { // There are more dimensions, the elements of "v" are arrays a // temporary reference shall be introduced if the next dimension has // more than 1 elements. bool temp_ref_needed = dimensions->get_dim_byIndex(start_dim + 1)->get_size() > 1; for (size_t i = 0; i < dim_size; i++) { Value *v_elem = v->get_comp_byIndex(i); if (v_elem->get_valuetype() == Value::V_NOTUSED) continue; if (temp_ref_needed) { const string& tmp_id = my_scope->get_scope_mod_gen() ->get_temporary_id(); const char *tmp_str = tmp_id.c_str(); str = mputprintf(str, "{\n" "%s& %s = %s.array_element(%lu);\n", dimensions->get_timer_type(start_dim + 1).c_str(), tmp_str, object_name, static_cast(i)); str = generate_code_array_duration(str, tmp_str, v_elem, start_dim + 1); str = mputstr(str, "}\n"); } else { char *tmp_str = mprintf("%s.array_element(%lu)", object_name, static_cast(i)); str = generate_code_array_duration(str, tmp_str, v_elem, start_dim + 1); Free(tmp_str); } } } else { // We are in the last dimension, the elements of "v" are floats. for (size_t i = 0; i < dim_size; i++) { Value *v_elem = v->get_comp_byIndex(i); if (v_elem->get_valuetype() == Value::V_NOTUSED) continue; expression_struct expr; Code::init_expr(&expr); expr.expr = mputprintf(expr.expr, "%s.array_element(%lu).set_default_duration(", object_name, static_cast(i)); v_elem->generate_code_expr(&expr); expr.expr = mputc(expr.expr, ')'); str = Code::merge_free_expr(str, &expr); } } // Indexed-list notation. } else { if (start_dim + 1 < dimensions->get_nof_dims()) { bool temp_ref_needed = dimensions->get_dim_byIndex(start_dim + 1)->get_size() > 1; for (size_t i = 0; i < v->get_nof_comps(); i++) { Value *v_elem = v->get_comp_byIndex(i); if (v_elem->get_valuetype() == Value::V_NOTUSED) continue; if (temp_ref_needed) { const string& tmp_id = my_scope->get_scope_mod_gen() ->get_temporary_id(); const string& idx_id = my_scope->get_scope_mod_gen() ->get_temporary_id(); const char *tmp_str = tmp_id.c_str(); str = mputstr(str, "{\n"); str = mputprintf(str, "int %s;\n", idx_id.c_str()); str = v->get_index_byIndex(i)->generate_code_init(str, idx_id.c_str()); str = mputprintf(str, "%s& %s = %s.array_element(%s);\n", dimensions->get_timer_type(start_dim + 1).c_str(), tmp_str, object_name, idx_id.c_str()); str = generate_code_array_duration(str, tmp_str, v_elem, start_dim + 1); str = mputstr(str, "}\n"); } else { const string& idx_id = my_scope->get_scope_mod_gen() ->get_temporary_id(); str = mputstr(str, "{\n"); str = mputprintf(str, "int %s;\n", idx_id.c_str()); str = v->get_index_byIndex(i)->generate_code_init(str, idx_id.c_str()); char *tmp_str = mprintf("%s.array_element(%s)", object_name, idx_id.c_str()); str = generate_code_array_duration(str, tmp_str, v_elem, start_dim + 1); str = mputstr(str, "}\n"); Free(tmp_str); } } } else { for (size_t i = 0; i < v->get_nof_comps(); i++) { Value *v_elem = v->get_comp_byIndex(i); if (v_elem->get_valuetype() == Value::V_NOTUSED) continue; expression_struct expr; Code::init_expr(&expr); str = mputstr(str, "{\n"); const string& idx_id = my_scope->get_scope_mod_gen() ->get_temporary_id(); str = mputprintf(str, "int %s;\n", idx_id.c_str()); str = v->get_index_byIndex(i)->generate_code_init(str, idx_id.c_str()); str = mputprintf(str, "%s.array_element(%s).set_default_duration(", object_name, idx_id.c_str()); v_elem->generate_code_expr(&expr); expr.expr = mputc(expr.expr, ')'); str = Code::merge_free_expr(str, &expr); str = mputstr(str, "}\n"); } } } return str; } char *Def_Timer::generate_code_str(char *str) { const string& t_genname = get_genname(); const char *genname_str = t_genname.c_str(); const string& dispname = id->get_dispname(); if (dimensions) { // timer array const string& array_type = dimensions->get_timer_type(); const char *array_type_str = array_type.c_str(); str = mputprintf(str, "%s %s;\n", array_type_str, genname_str); str = mputstr(str, "{\n" "static const char * const timer_name = \""); str = mputstr(str, dispname.c_str()); str = mputprintf(str, "\";\n" "%s.set_name(timer_name);\n" "}\n", genname_str); if (default_duration) str = generate_code_array_duration(str, genname_str, default_duration); } else { // single timer if (default_duration && default_duration->has_single_expr()) { // the default duration can be passed to the constructor str = mputprintf(str, "TIMER %s(\"%s\", %s);\n", genname_str, dispname.c_str(), default_duration->get_single_expr().c_str()); } else { // only the name is passed to the constructor str = mputprintf(str, "TIMER %s(\"%s\");\n", genname_str, dispname.c_str()); if (default_duration) { // the default duration is set explicitly expression_struct expr; Code::init_expr(&expr); expr.expr = mputprintf(expr.expr, "%s.set_default_duration(", genname_str); default_duration->generate_code_expr(&expr); expr.expr = mputc(expr.expr, ')'); str = Code::merge_free_expr(str, &expr); } } } if (debugger_active) { str = generate_code_debugger_add_var(str, this); } return str; } void Def_Timer::ilt_generate_code(ILT *ilt) { const string& t_genname = get_genname(); const char *genname_str = t_genname.c_str(); const string& dispname = id->get_dispname(); char*& def = ilt->get_out_def(); char*& init = ilt->get_out_branches(); if (dimensions) { // timer array const string& array_type = dimensions->get_timer_type(); const char *array_type_str = array_type.c_str(); def = mputprintf(def, "%s %s;\n", array_type_str, genname_str); def = mputstr(def, "{\n" "static const char * const timer_names[] = { "); def = dimensions->generate_element_names(def, dispname); def = mputprintf(def, " };\n" "%s.set_name(%lu, timer_names);\n" "}\n", genname_str, static_cast( dimensions->get_array_size() )); if (default_duration) init = generate_code_array_duration(init, genname_str, default_duration); } else { // single timer if (default_duration) { // has default duration Value *v = default_duration->get_value_refd_last(); if (v->get_valuetype() == Value::V_REAL) { // duration is known at compilation time -> set in the constructor def = mputprintf(def, "TIMER %s(\"%s\", %s);\n", genname_str, dispname.c_str(), v->get_single_expr().c_str()); } else { // duration is known only at runtime -> set when control reaches the // timer definition def = mputprintf(def, "TIMER %s(\"%s\");\n", genname_str, dispname.c_str()); expression_struct expr; Code::init_expr(&expr); expr.expr = mputprintf(expr.expr, "%s.set_default_duration(", genname_str); default_duration->generate_code_expr(&expr); expr.expr = mputc(expr.expr, ')'); init = Code::merge_free_expr(init, &expr); } } else { // does not have default duration def = mputprintf(def, "TIMER %s(\"%s\");\n", genname_str, dispname.c_str()); } } } char *Def_Timer::generate_code_init_comp(char *str, Definition *base_defn) { if (default_duration) { Def_Timer *base_timer_defn = dynamic_cast(base_defn); if (!base_timer_defn || !base_timer_defn->default_duration) FATAL_ERROR("Def_Timer::generate_code_init_comp()"); // initializer is not needed if the default durations are the same // constants in both timers if (default_duration->is_unfoldable() || base_timer_defn->default_duration->is_unfoldable() || !(*default_duration == *base_timer_defn->default_duration)) { if (dimensions) { str = generate_code_array_duration(str, base_timer_defn->get_genname_from_scope(my_scope).c_str(), default_duration); } else { expression_struct expr; Code::init_expr(&expr); expr.expr = mputprintf(expr.expr, "%s.set_default_duration(", base_timer_defn->get_genname_from_scope(my_scope).c_str()); default_duration->generate_code_expr(&expr); expr.expr = mputc(expr.expr, ')'); str = Code::merge_free_expr(str, &expr); } } } return str; } void Def_Timer::dump_internal(unsigned level) const { DEBUG(level, "Timer: %s", id->get_dispname().c_str()); if (dimensions) dimensions->dump(level + 1); if (default_duration) { DEBUG(level + 1, "Default duration:"); default_duration->dump(level + 1); } } // ================================= // ===== Def_Port // ================================= Def_Port::Def_Port(Identifier *p_id, Reference *p_tref, ArrayDimensions *p_dims) : Definition(A_PORT, p_id), type_ref(p_tref), port_type(0), dimensions(p_dims) { if (!p_tref) FATAL_ERROR("Def_Port::Def_Port()"); } Def_Port::~Def_Port() { delete type_ref; delete dimensions; } Def_Port *Def_Port::clone() const { FATAL_ERROR("Def_Port::clone"); } void Def_Port::set_fullname(const string& p_fullname) { Definition::set_fullname(p_fullname); type_ref->set_fullname(p_fullname + "."); if (dimensions) dimensions->set_fullname(p_fullname); } void Def_Port::set_my_scope(Scope *p_scope) { Definition::set_my_scope(p_scope); type_ref->set_my_scope(p_scope); if (dimensions) dimensions->set_my_scope(p_scope); } Type *Def_Port::get_Type() { chk(); return port_type; } ArrayDimensions *Def_Port::get_Dimensions() { if (!checked) chk(); return dimensions; } void Def_Port::chk() { if (checked) return; checked = true; Error_Context cntxt(this, "In port definition `%s'", id->get_dispname().c_str()); Common::Assignment *ass = type_ref->get_refd_assignment(); if (ass) { if (ass->get_asstype() == A_TYPE) { Type *t = ass->get_Type()->get_type_refd_last(); if (t->get_typetype() == Type::T_PORT) port_type = t; else type_ref->error("Type reference `%s' does not refer to a " "port type", type_ref->get_dispname().c_str()); } else type_ref->error("Reference `%s' does not refer to a " "type", type_ref->get_dispname().c_str()); } if (dimensions) dimensions->chk(); if (w_attrib_path) { w_attrib_path->chk_global_attrib(); w_attrib_path->chk_no_qualif(); } } bool Def_Port::chk_identical(Definition *p_def) { chk(); p_def->chk(); if (p_def->get_asstype() != A_PORT) { const char *dispname_str = id->get_dispname().c_str(); error("Local definition `%s' is a port, but the definition inherited " "from component type `%s' is a %s", dispname_str, p_def->get_my_scope()->get_fullname().c_str(), p_def->get_assname()); p_def->note("The inherited definition of `%s' is here", dispname_str); return false; } Def_Port *p_def_port = dynamic_cast(p_def); if (!p_def_port) FATAL_ERROR("Def_Port::chk_identical()"); if (port_type && p_def_port->port_type && port_type != p_def_port->port_type) { const char *dispname_str = id->get_dispname().c_str(); type_ref->error("Local port `%s' has type `%s', but the port inherited " "from component type `%s' has type `%s'", dispname_str, port_type->get_typename().c_str(), p_def_port->get_my_scope()->get_fullname().c_str(), p_def_port->port_type->get_typename().c_str()); p_def_port->note("The inherited port `%s' is here", dispname_str); return false; } if (dimensions) { if (p_def_port->dimensions) { if (!dimensions->is_identical(p_def_port->dimensions)) { const char *dispname_str = id->get_dispname().c_str(); error("Local port `%s' and the port inherited from component type " "`%s' have different array dimensions", dispname_str, p_def_port->get_my_scope()->get_fullname().c_str()); p_def_port->note("The inherited port `%s' is here", dispname_str); return false; } } else { const char *dispname_str = id->get_dispname().c_str(); error("Local definition `%s' is a port array, but the definition " "inherited from component type `%s' is a single port", dispname_str, p_def_port->get_my_scope()->get_fullname().c_str()); p_def_port->note("The inherited port `%s' is here", dispname_str); return false; } } else if (p_def_port->dimensions) { const char *dispname_str = id->get_dispname().c_str(); error("Local definition `%s' is a single port, but the definition " "inherited from component type `%s' is a port array", dispname_str, p_def_port->get_my_scope()->get_fullname().c_str()); p_def_port->note("The inherited port `%s' is here", dispname_str); return false; } return true; } void Def_Port::generate_code(output_struct *target, bool) { const string& t_genname = get_genname(); const char *genname_str = t_genname.c_str(); const string& type_genname = port_type->get_genname_value(my_scope); const string& dispname = id->get_dispname(); if (dimensions) { // port array const string& array_type = dimensions->get_port_type(type_genname); const char *array_type_str = array_type.c_str(); target->header.global_vars = mputprintf(target->header.global_vars, "extern %s %s;\n", array_type_str, genname_str); target->source.global_vars = mputprintf(target->source.global_vars, "%s %s;\n", array_type_str, genname_str); target->functions.pre_init = mputstr(target->functions.pre_init, "{\n" "static const char * const port_name = \""); target->functions.pre_init = mputstr(target->functions.pre_init, dispname.c_str()); target->functions.pre_init = mputprintf(target->functions.pre_init, "\";\n" "%s.set_name(port_name);\n" "}\n", genname_str); } else { // single port const char *type_genname_str = type_genname.c_str(); target->header.global_vars = mputprintf(target->header.global_vars, "extern %s %s;\n", type_genname_str, genname_str); target->source.global_vars = mputprintf(target->source.global_vars, "%s %s(\"%s\");\n", type_genname_str, genname_str, dispname.c_str()); } target->functions.init_comp = mputprintf(target->functions.init_comp, "%s.activate_port();\n", genname_str); } void Def_Port::generate_code(CodeGenHelper& cgh) { generate_code(cgh.get_current_outputstruct()); } char *Def_Port::generate_code_init_comp(char *str, Definition *base_defn) { return mputprintf(str, "%s.activate_port();\n", base_defn->get_genname_from_scope(my_scope).c_str()); } void Def_Port::dump_internal(unsigned level) const { DEBUG(level, "Port: %s", id->get_dispname().c_str()); DEBUG(level + 1, "Port type:"); type_ref->dump(level + 2); if (dimensions) dimensions->dump(level + 1); } // ================================= // ===== Def_Function_Base // ================================= Def_Function_Base::asstype_t Def_Function_Base::determine_asstype( bool is_external, bool has_return_type, bool returns_template) { if (is_external) { if (has_return_type) { if (returns_template) return A_EXT_FUNCTION_RTEMP; else return A_EXT_FUNCTION_RVAL; } else { if (returns_template) FATAL_ERROR("Def_Function_Base::determine_asstype()"); return A_EXT_FUNCTION; } } else { // not an external function if (has_return_type) { if (returns_template) return A_FUNCTION_RTEMP; else return A_FUNCTION_RVAL; } else { if (returns_template) FATAL_ERROR("Def_Function_Base::determine_asstype()"); return A_FUNCTION; } } } Def_Function_Base::Def_Function_Base(const Def_Function_Base& p) : Definition(p), prototype(PROTOTYPE_NONE), input_type(0), output_type(0), final(p.final) { fp_list = p.fp_list->clone(); fp_list->set_my_def(this); return_type = p.return_type ? p.return_type->clone() : 0; template_restriction = p.template_restriction; } Def_Function_Base::Def_Function_Base(bool is_external, Identifier *p_id, FormalParList *p_fpl, Type *p_return_type, bool returns_template, template_restriction_t p_template_restriction, bool p_final) : Definition(determine_asstype(is_external, p_return_type != 0, returns_template), p_id), fp_list(p_fpl), return_type(p_return_type), prototype(PROTOTYPE_NONE), input_type(0), output_type(0), template_restriction(p_template_restriction), final(p_final) { if (!p_fpl) FATAL_ERROR("Def_Function_Base::Def_Function_Base()"); fp_list->set_my_def(this); if (return_type) return_type->set_ownertype(Type::OT_FUNCTION_DEF, this); } Def_Function_Base::~Def_Function_Base() { delete fp_list; delete return_type; } void Def_Function_Base::set_fullname(const string& p_fullname) { Definition::set_fullname(p_fullname); fp_list->set_fullname(p_fullname + "."); if (return_type) return_type->set_fullname(p_fullname + "."); } void Def_Function_Base::set_my_scope(Scope *p_scope) { Definition::set_my_scope(p_scope); fp_list->set_my_scope(p_scope); if (return_type) return_type->set_my_scope(p_scope); } Type *Def_Function_Base::get_Type() { if (!checked) chk(); return return_type; } FormalParList *Def_Function_Base::get_FormalParList() { if (!checked) chk(); return fp_list; } const char *Def_Function_Base::get_prototype_name() const { switch (prototype) { case PROTOTYPE_NONE: return ""; case PROTOTYPE_CONVERT: return "convert"; case PROTOTYPE_FAST: return "fast"; case PROTOTYPE_BACKTRACK: return "backtrack"; case PROTOTYPE_SLIDING: return "sliding"; default: return ""; } } void Def_Function_Base::chk_prototype() { switch (prototype) { case PROTOTYPE_NONE: // return immediately return; case PROTOTYPE_CONVERT: case PROTOTYPE_FAST: case PROTOTYPE_BACKTRACK: case PROTOTYPE_SLIDING: // perform the checks below break; default: FATAL_ERROR("Def_Function_Base::chk_prototype()"); } // checking the formal parameter list if (prototype == PROTOTYPE_CONVERT) { if (fp_list->get_nof_fps() == 1) { FormalPar *par = fp_list->get_fp_byIndex(0); if (par->get_asstype() == A_PAR_VAL_IN) { input_type = par->get_Type(); } else { par->error("The parameter must be an `in' value parameter for " "attribute `prototype(%s)' instead of %s", get_prototype_name(), par->get_assname()); } } else { fp_list->error("The function must have one parameter instead of %lu " "for attribute `prototype(%s)'", static_cast( fp_list->get_nof_fps() ), get_prototype_name()); } } else { // not PROTOTYPE_CONVERT if (fp_list->get_nof_fps() == 2) { FormalPar *first_par = fp_list->get_fp_byIndex(0); if (prototype == PROTOTYPE_SLIDING) { if (first_par->get_asstype() == A_PAR_VAL_INOUT) { Type *first_par_type = first_par->get_Type(); switch (first_par_type->get_type_refd_last() ->get_typetype_ttcn3()) { case Type::T_ERROR: case Type::T_OSTR: case Type::T_CSTR: case Type::T_BSTR: input_type = first_par_type; break; default: first_par_type->error("The type of the first parameter must be " "`octetstring' or `charstring' or `bitstring' for attribute " "`prototype(%s)' instead of `%s'", get_prototype_name(), first_par_type->get_typename().c_str()); } } else { first_par->error("The first parameter must be an `inout' value " "parameter for attribute `prototype(%s)' instead of %s", get_prototype_name(), first_par->get_assname()); } } else { if (first_par->get_asstype() == A_PAR_VAL_IN) { input_type = first_par->get_Type(); } else { first_par->error("The first parameter must be an `in' value " "parameter for attribute `prototype(%s)' instead of %s", get_prototype_name(), first_par->get_assname()); } } FormalPar *second_par = fp_list->get_fp_byIndex(1); if (second_par->get_asstype() == A_PAR_VAL_OUT) { output_type = second_par->get_Type(); } else { second_par->error("The second parameter must be an `out' value " "parameter for attribute `prototype(%s)' instead of %s", get_prototype_name(), second_par->get_assname()); } } else { fp_list->error("The function must have two parameters for attribute " "`prototype(%s)' instead of %lu", get_prototype_name(), static_cast( fp_list->get_nof_fps()) ); } } // checking the return type if (prototype == PROTOTYPE_FAST) { if (return_type) { return_type->error("The function cannot have return type for " "attribute `prototype(%s)'", get_prototype_name()); } } else { if (return_type) { if (asstype == A_FUNCTION_RTEMP || asstype == A_EXT_FUNCTION_RTEMP) return_type->error("The function must return a value instead of a " "template for attribute `prototype(%s)'", get_prototype_name()); if (prototype == PROTOTYPE_CONVERT) { output_type = return_type; } else { switch (return_type->get_type_refd_last()->get_typetype_ttcn3()) { case Type::T_ERROR: case Type::T_INT: break; default: return_type->error("The return type of the function must be " "`integer' instead of `%s' for attribute `prototype(%s)'", return_type->get_typename().c_str(), get_prototype_name()); } } } else { error("The function must have return type for attribute " "`prototype(%s)'", get_prototype_name()); } } // checking the 'runs on' clause if (get_RunsOnType()) { error("The function cannot have `runs on' clause for attribute " "`prototype(%s)'", get_prototype_name()); } } Type *Def_Function_Base::get_input_type() { if (!checked) chk(); return input_type; } Type *Def_Function_Base::get_output_type() { if (!checked) chk(); return output_type; } bool Def_Function_Base::is_identical(Def_Function_Base* p_other) { Common::Assignment::asstype_t asstype2 = p_other->get_asstype(); if (asstype != asstype2) { if ((asstype == Common::Assignment::A_FUNCTION && asstype2 != Common::Assignment::A_EXT_FUNCTION) || (asstype == Common::Assignment::A_EXT_FUNCTION && asstype2 != Common::Assignment::A_FUNCTION) || (asstype == Common::Assignment::A_FUNCTION_RVAL && asstype2 != Common::Assignment::A_EXT_FUNCTION_RVAL) || (asstype == Common::Assignment::A_EXT_FUNCTION_RVAL && asstype2 != Common::Assignment::A_FUNCTION_RVAL) || (asstype == Common::Assignment::A_FUNCTION_RTEMP && asstype2 != Common::Assignment::A_EXT_FUNCTION_RTEMP) || (asstype == Common::Assignment::A_EXT_FUNCTION_RTEMP && asstype2 != Common::Assignment::A_FUNCTION_RTEMP)) { return false; } } if (return_type != NULL && !p_other->return_type->is_identical(return_type)) { return false; } FormalParList* other_fp_list = p_other->get_FormalParList(); if (other_fp_list->get_nof_fps() != fp_list->get_nof_fps()) { return false; } for (size_t i = 0; i < fp_list->get_nof_fps(); ++i) { FormalPar* fp1 = fp_list->get_fp_byIndex(i); FormalPar* fp2 = other_fp_list->get_fp_byIndex(i); if (fp1->get_asstype() != fp2->get_asstype() || !fp1->get_Type()->is_identical(fp2->get_Type()) || fp1->get_id().get_name() != fp2->get_id().get_name()) { return false; } } return true; } // ================================= // ===== Def_Function // ================================= Def_Function::Def_Function(bool p_deterministic, Identifier *p_id, FormalParList *p_fpl, Reference *p_runs_on_ref, Reference *p_mtc_ref, Reference *p_system_ref, Reference *p_port_ref, Type *p_return_type, bool returns_template, template_restriction_t p_template_restriction, bool p_final, StatementBlock *p_block) : Def_Function_Base(false, p_id, p_fpl, p_return_type, returns_template, p_template_restriction, p_final), runs_on_ref(p_runs_on_ref), runs_on_type(0), mtc_ref(p_mtc_ref), mtc_type(0), system_ref(p_system_ref), system_type(0), port_ref(p_port_ref), port_type(0), block(p_block), is_startable(false), transparent(false), deterministic(p_deterministic) { if (!p_block) FATAL_ERROR("Def_Function::Def_Function()"); block->set_my_def(this); } Def_Function::~Def_Function() { delete runs_on_ref; delete mtc_ref; delete system_ref; delete port_ref; delete block; } Def_Function *Def_Function::clone() const { FATAL_ERROR("Def_Function::clone"); } void Def_Function::set_fullname(const string& p_fullname) { Def_Function_Base::set_fullname(p_fullname); if (runs_on_ref) runs_on_ref->set_fullname(p_fullname + "."); if (mtc_ref) mtc_ref->set_fullname(p_fullname + "."); if (system_ref) system_ref->set_fullname(p_fullname + "."); if (port_ref) port_ref->set_fullname(p_fullname + "."); block->set_fullname(p_fullname + "."); } void Def_Function::set_my_scope(Scope *p_scope) { bridgeScope.set_parent_scope(p_scope); bridgeScope.set_scopeMacro_name(id->get_dispname()); Def_Function_Base::set_my_scope(&bridgeScope); if (runs_on_ref) runs_on_ref->set_my_scope(&bridgeScope); if (mtc_ref) mtc_ref->set_my_scope(&bridgeScope); if (system_ref) system_ref->set_my_scope(&bridgeScope); if (port_ref) port_ref->set_my_scope(&bridgeScope); block->set_my_scope(fp_list); } Type *Def_Function::get_MtcType() { if (!checked) chk(); return mtc_type; } Type *Def_Function::get_SystemType() { if (!checked) chk(); return system_type; } Type *Def_Function::get_RunsOnType() { if (!checked) chk(); return runs_on_type; } Type *Def_Function::get_PortType() { if (!checked) chk(); return port_type; } RunsOnScope *Def_Function::get_runs_on_scope(Type *comptype) { Module *my_module = dynamic_cast(my_scope->get_scope_mod()); if (!my_module) FATAL_ERROR("Def_Function::get_runs_on_scope()"); return my_module->get_runs_on_scope(comptype); } PortScope *Def_Function::get_port_scope(Type *porttype) { Module *my_module = dynamic_cast(my_scope->get_scope_mod()); if (!my_module) FATAL_ERROR("Def_Function::get_port_scope()"); return my_module->get_port_scope(porttype); } void Def_Function::chk() { if (checked) return; checked = true; Error_Context cntxt(this, "In function definition `%s'", id->get_dispname().c_str()); if (deterministic) { note("Please ensure that the `%s' function complies with the requirements" " in clause 16.1.4 of the TTCN-3 core language standard (ES 201 873-1)", id->get_dispname().c_str()); } // `runs on' clause and `port' clause are mutually exclusive if (runs_on_ref && port_ref) { runs_on_ref->error("A `runs on' and a `port' clause cannot be present at the same time."); } if (my_scope->is_class_scope()) { // class methods inherit `runs on', `mtc' and `system' clauses from the class ClassTypeBody* class_ = my_scope->get_scope_class(); runs_on_type = class_->get_RunsOnType(); mtc_type = class_->get_MtcType(); system_type = class_->get_SystemType(); } else { // not in a class method // checking the `runs on' clause if (runs_on_ref) { Error_Context cntxt2(runs_on_ref, "In `runs on' clause"); runs_on_type = runs_on_ref->chk_comptype_ref(); } // checking the `mtc' clause if (mtc_ref) { Error_Context cntxt2(mtc_ref, "In `mtc' clause"); mtc_type = mtc_ref->chk_comptype_ref(); } // checking the `system' clause if (system_ref) { Error_Context cntxt2(system_ref, "In `system' clause"); system_type = system_ref->chk_comptype_ref(); } } // create scope units for the `runs on', `mtc' and `system' components, // and link them in a row between the function's scope and the // formal parameter list's scope Scope* current_scope = my_scope; if (system_type != NULL) { Scope *system_scope = get_runs_on_scope(system_type); system_scope->set_parent_scope(current_scope); current_scope = system_scope; } if (mtc_type != NULL) { Scope *mtc_scope = get_runs_on_scope(mtc_type); mtc_scope->set_parent_scope(current_scope); current_scope = mtc_scope; } if (runs_on_type != NULL) { Scope *runs_on_scope = get_runs_on_scope(runs_on_type); runs_on_scope->set_parent_scope(current_scope); current_scope = runs_on_scope; } fp_list->set_my_scope(current_scope); // checking the formal parameter list, the check must come before the // chk_prototype() function call. fp_list->chk(asstype); // checking of return type if (return_type) { Error_Context cntxt2(return_type, "In return type"); return_type->chk(); return_type->chk_as_return_type(asstype == A_FUNCTION_RVAL," function"); } if (w_attrib_path) { w_attrib_path->chk_global_attrib(); w_attrib_path->chk_no_qualif(); Ttcn::ExtensionAttributes * extattrs = parse_extattributes(w_attrib_path); if (extattrs != 0) { // NULL means parsing error size_t num_atrs = extattrs->size(); for (size_t i=0; i < num_atrs; ++i) { ExtensionAttribute &ea = extattrs->get(i); switch (ea.get_type()) { case ExtensionAttribute::PROTOTYPE: { if (get_prototype() != Def_Function_Base::PROTOTYPE_NONE) { ea.error("Duplicate attribute `prototype'"); } Def_Function_Base::prototype_t proto = ea.get_proto(); set_prototype(proto); break; } case ExtensionAttribute::ANYTYPELIST: // ignore it case ExtensionAttribute::NONE: // erroneous, do not issue an error break; case ExtensionAttribute::TRANSPARENT: transparent = true; break; case ExtensionAttribute::ENCODE: case ExtensionAttribute::DECODE: case ExtensionAttribute::ERRORBEHAVIOR: case ExtensionAttribute::PRINTING: ea.error("Extension attribute 'encode', 'decode', 'errorbehavior'" " or 'printing' can only be applied to external functions"); // fall through default: // complain ea.error("Function definition can only have the 'prototype'" " extension attribute"); break; } } delete extattrs; } } chk_prototype(); // checking the `port' clause if (port_ref) { Error_Context cntxt2(port_ref, "In `port' clause"); Assignment *ass = port_ref->get_refd_assignment(); if (ass) { port_type = ass->get_Type(); if (port_type) { switch (port_type->get_typetype()) { case Type::T_PORT: { Scope *port_scope = get_port_scope(port_type); port_scope->set_parent_scope(my_scope); fp_list->set_my_scope(port_scope); break; } default: port_ref->error( "Reference `%s' does not refer to a port type.", port_ref->get_dispname().c_str()); } } else { FATAL_ERROR("Def_Function::chk()"); } } } // decision of startability is_startable = runs_on_ref != 0 && !my_scope->is_class_scope(); if (is_startable && !fp_list->get_startability()) is_startable = false; if (is_startable && return_type && return_type->is_component_internal()) is_startable = false; // checking of statement block block->chk(); if (return_type) { // checking the presence of return statements switch (block->has_return()) { case StatementBlock::RS_NO: error("The function has return type, but it does not have any return " "statement"); break; case StatementBlock::RS_MAYBE: error("The function has return type, but control might leave it " "without reaching a return statement"); default: break; } } if (!semantic_check_only) { fp_list->set_genname(get_genname()); block->set_code_section(GovernedSimple::CS_INLINE); } } bool Def_Function::chk_startable(Location* caller_location) { if (!checked) chk(); if (my_scope->is_class_scope()) { caller_location->error("A method of a class cannot be started on a parallel test component"); return false; } fp_list->chk_startability("Function", get_fullname().c_str(), caller_location); if (is_startable) return true; if (!runs_on_ref) error("Function `%s' cannot be started on a parallel " "test component because it does not have `runs on' clause", get_fullname().c_str()); if (return_type && return_type->is_component_internal()) { map type_chain; char* err_str = mprintf("the return type or embedded in the return type " "of function `%s' if it is started on a parallel test component", get_fullname().c_str()); return_type->chk_component_internal(type_chain, err_str); Free(err_str); } return false; } void Def_Function::generate_code(output_struct *target, bool clean_up) { // Functions with 'port' clause are generated into the port type's class def // Reuse of clean_up variable to allow or disallow the generation. // clean_up is true when it is called from PortTypeBody::generate_code()) if (port_type && !clean_up) { return; } transparency_holder glass(*this); const string& t_genname = get_genname(); const char *genname_str = t_genname.c_str(); const char *dispname_str = id->get_dispname().c_str(); string return_type_name; switch (asstype) { case A_FUNCTION: return_type_name = "void"; break; case A_FUNCTION_RVAL: return_type_name = return_type->get_genname_value(my_scope); break; case A_FUNCTION_RTEMP: return_type_name = return_type->get_genname_template(my_scope); break; default: FATAL_ERROR("Def_Function::generate_code()"); } const char *return_type_str = return_type_name.c_str(); // assemble the function body first (this also determines which parameters // are never used) char* body = create_location_object(memptystr(), "FUNCTION", dispname_str); if (!enable_set_bound_out_param) body = fp_list->generate_code_set_unbound(body); // conform the standard out parameter is unbound if (debugger_active) { body = generate_code_debugger_function_init(body, this); } body = block->generate_code(body, target->header.global_vars, target->source.global_vars); // smart formal parameter list (names of unused parameters are omitted) char *formal_par_list = fp_list->generate_code(memptystr()); fp_list->generate_code_defval(target); char* shadow_objects = fp_list->generate_shadow_objects(memptystr()); bool in_class = my_scope->is_class_scope(); char*& header = in_class ? target->header.class_defs : target->header.function_prototypes; char*& source = in_class ? target->source.methods : target->source.function_bodies; // function prototype header = mputprintf(header, "%s%s %s(%s);\n", get_PortType() && clean_up ? "" : (in_class ? "virtual " : "extern "), return_type_str, genname_str, formal_par_list); // function body source = mputprintf(source, "%s %s%s%s%s(%s)\n" "{\n" "%s%s" "}\n\n", return_type_str, port_type && clean_up ? port_type->get_genname_own().c_str() : (in_class ? my_scope->get_scope_class()->get_id()->get_name().c_str() : ""), port_type && clean_up && port_type->get_PortBody()->get_testport_type() != PortTypeBody::TP_INTERNAL ? "_BASE" : "", in_class || (port_type && clean_up) ? "::" : "", genname_str, formal_par_list, shadow_objects, body); Free(formal_par_list); Free(body); Free(shadow_objects); if (is_startable && !in_class) { size_t nof_fps = fp_list->get_nof_fps(); // use the full list of formal parameters here (since they are all logged) char *full_formal_par_list = fp_list->generate_code(memptystr(), nof_fps); // starter function (stub) // function prototype target->header.function_prototypes = mputprintf(target->header.function_prototypes, "extern void start_%s(const COMPONENT& component_reference%s%s);\n", genname_str, nof_fps>0?", ":"", full_formal_par_list); // function body body = mprintf("void start_%s(const COMPONENT& component_reference%s" "%s)\n" "{\n" "TTCN_Logger::begin_event(TTCN_Logger::PARALLEL_PTC);\n" "TTCN_Logger::log_event_str(\"Starting function %s(\");\n", genname_str, nof_fps>0?", ":"", full_formal_par_list, dispname_str); for (size_t i = 0; i < nof_fps; i++) { if (i > 0) body = mputstr(body, "TTCN_Logger::log_event_str(\", \");\n"); body = mputprintf(body, "%s.log();\n", fp_list->get_fp_byIndex(i)->get_reference_name(my_scope).c_str()); } body = mputprintf(body, "TTCN_Logger::log_event_str(\") on component \");\n" "component_reference.log();\n" "TTCN_Logger::log_char('.');\n" "TTCN_Logger::end_event();\n" "Text_Buf text_buf;\n" "TTCN_Runtime::prepare_start_component(component_reference, " "\"%s\", \"%s\", text_buf);\n", my_scope->get_scope_mod()->get_modid().get_dispname().c_str(), dispname_str); for (size_t i = 0; i < nof_fps; i++) { body = mputprintf(body, "%s.encode_text(text_buf);\n", fp_list->get_fp_byIndex(i)->get_reference_name(my_scope).c_str()); } body = mputstr(body, "TTCN_Runtime::send_start_component(text_buf);\n" "}\n\n"); target->source.function_bodies = mputstr(target->source.function_bodies, body); Free(body); // an entry in start_ptc_function body = mprintf("if (!strcmp(function_name, \"%s\")) {\n", dispname_str); if (nof_fps > 0) { body = fp_list->generate_code_object(body, "", ' ', true); for (size_t i = 0; i < nof_fps; i++) { body = mputprintf(body, "%s.decode_text(function_arguments);\n", fp_list->get_fp_byIndex(i)->get_reference_name(my_scope).c_str()); } body = mputprintf(body, "TTCN_Logger::begin_event(TTCN_Logger::PARALLEL_PTC);\n" "TTCN_Logger::log_event_str(\"Starting function %s(\");\n", dispname_str); for (size_t i = 0; i < nof_fps; i++) { if (i > 0) body = mputstr(body, "TTCN_Logger::log_event_str(\", \");\n"); body = mputprintf(body, "%s.log();\n", fp_list->get_fp_byIndex(i)->get_reference_name(my_scope).c_str()); } body = mputstr(body, "TTCN_Logger::log_event_str(\").\");\n" "TTCN_Logger::end_event();\n"); } else { body = mputprintf(body, "TTCN_Logger::log_str(TTCN_Logger::PARALLEL_PTC, \"Starting function " "%s().\");\n", dispname_str); } body = mputstr(body, "TTCN_Runtime::function_started(function_arguments);\n"); char *actual_par_list = fp_list->generate_code_actual_parlist(memptystr(), ""); bool return_value_kept = false; if (asstype == A_FUNCTION_RVAL) { // the return value is kept only if the function returns a value // (rather than a template) and the return type has the "done" // extension attribute for (Type *t = return_type; ; t = t->get_type_refd()) { if (t->has_done_attribute()) { return_value_kept = true; break; } else if (!t->is_ref()) break; } } if (return_value_kept) { const string& return_type_dispname = return_type->get_typename(); const char *return_type_dispname_str = return_type_dispname.c_str(); body = mputprintf(body, "%s ret_val(%s(%s));\n" "TTCN_Logger::begin_event(TTCN_PARALLEL);\n" "TTCN_Logger::log_event_str(\"Function %s returned %s : \");\n" "ret_val.log();\n" "Text_Buf text_buf;\n" "TTCN_Runtime::prepare_function_finished(\"%s\", text_buf);\n" "ret_val.encode_text(text_buf);\n" "TTCN_Runtime::send_function_finished(text_buf);\n", return_type_str, genname_str, actual_par_list, dispname_str, return_type_dispname_str, return_type_dispname_str); } else { body = mputprintf(body, "%s(%s);\n" "TTCN_Runtime::function_finished(\"%s\");\n", genname_str, actual_par_list, dispname_str); } Free(actual_par_list); body = mputstr(body, "return TRUE;\n" "} else "); target->functions.start = mputstr(target->functions.start, body); Free(body); Free(full_formal_par_list); } if (!in_class) { target->functions.pre_init = mputprintf(target->functions.pre_init, "%s.add_function(\"%s\", (genericfunc_t)&%s, ", get_module_object_name(), dispname_str, genname_str); if(is_startable) target->functions.pre_init = mputprintf(target->functions.pre_init, "(genericfunc_t)&start_%s);\n", genname_str); else target->functions.pre_init = mputstr(target->functions.pre_init, "NULL);\n"); } } void Def_Function::generate_code(CodeGenHelper& cgh) { generate_code(cgh.get_current_outputstruct()); } void Def_Function::dump_internal(unsigned level) const { DEBUG(level, "Function: %s", id->get_dispname().c_str()); DEBUG(level + 1, "Parameters:"); fp_list->dump(level + 1); if (runs_on_ref) { DEBUG(level + 1, "Runs on clause:"); runs_on_ref->dump(level + 2); } if (return_type) { DEBUG(level + 1, "Return type:"); return_type->dump(level + 2); if (asstype == A_FUNCTION_RTEMP) DEBUG(level + 1, "Returns template"); } DEBUG(level + 1, "Deterministic: %s", deterministic ? "true" : "false"); if (prototype != PROTOTYPE_NONE) DEBUG(level + 1, "Prototype: %s", get_prototype_name()); //DEBUG(level + 1, "Statement block:"); block->dump(level + 1); } void Def_Function::set_parent_path(WithAttribPath* p_path) { Def_Function_Base::set_parent_path(p_path); block->set_parent_path(w_attrib_path); } // ================================= // ===== Def_ExtFunction // ================================= Def_ExtFunction::~Def_ExtFunction() { delete encoding_options; delete eb_list; if (NULL != printing) { delete printing; } } Def_ExtFunction *Def_ExtFunction::clone() const { FATAL_ERROR("Def_ExtFunction::clone"); } void Def_ExtFunction::set_fullname(const string& p_fullname) { Def_Function_Base::set_fullname(p_fullname); if (eb_list) eb_list->set_fullname(p_fullname + "."); } void Def_ExtFunction::set_encode_parameters(Type::MessageEncodingType_t p_encoding_type, string *p_encoding_options) { function_type = EXTFUNC_ENCODE; encoding_type = p_encoding_type; delete encoding_options; encoding_options = p_encoding_options; } void Def_ExtFunction::set_decode_parameters(Type::MessageEncodingType_t p_encoding_type, string *p_encoding_options) { function_type = EXTFUNC_DECODE; encoding_type = p_encoding_type; delete encoding_options; encoding_options = p_encoding_options; } void Def_ExtFunction::add_eb_list(Ttcn::ErrorBehaviorList *p_eb_list) { if (!p_eb_list) FATAL_ERROR("Def_ExtFunction::add_eb_list()"); if (eb_list) { eb_list->steal_ebs(p_eb_list); delete p_eb_list; } else { eb_list = p_eb_list; eb_list->set_fullname(get_fullname() + "."); } } void Def_ExtFunction::chk_function_type() { switch (function_type) { case EXTFUNC_MANUAL: if (eb_list) { eb_list->error("Attribute `errorbehavior' can only be used together " "with `encode' or `decode'"); eb_list->chk(); } break; case EXTFUNC_ENCODE: switch (prototype) { case PROTOTYPE_NONE: error("Attribute `encode' cannot be used without `prototype'"); break; case PROTOTYPE_BACKTRACK: case PROTOTYPE_SLIDING: error("Attribute `encode' cannot be used with `prototype(%s)'", get_prototype_name()); default: /* CONVERT and FAST allowed */ break; } if (input_type) { if (!input_type->has_encoding(encoding_type, encoding_options)) { if (Common::Type::CT_CUSTOM == encoding_type) { input_type->error("Input type `%s' does not support custom encoding '%s'", input_type->get_typename().c_str(), encoding_options->c_str()); } else { // First collect the fields of a record, set, union type which // does not support the encoding, then write it in the error message. char* message = NULL; if (legacy_codec_handling) { Type *t = input_type; if (t->is_ref()) t = t->get_type_refd(); switch(t->get_typetype()) { case Type::T_SEQ_T: case Type::T_SET_T: case Type::T_CHOICE_T: { for (size_t i = 0; i < t->get_nof_comps(); i++) { if (!t->get_comp_byIndex(i)->get_type()->has_encoding(encoding_type, encoding_options)) { if (i == 0) { message = mputprintf(message, " The following fields do not support %s encoding: ", Type::get_encoding_name(encoding_type)); } else { message = mputstr(message, ", "); } message = mputstr(message, t->get_comp_id_byIndex(i).get_ttcnname().c_str()); } } break; } default: break; } } input_type->error("Input type `%s' does not support %s encoding.%s", input_type->get_typename().c_str(), Type::get_encoding_name(encoding_type), message == NULL ? "" : message); Free(message); } } else { if (Common::Type::CT_XER == encoding_type) { Type* last = input_type->get_type_refd_last(); if (last->is_untagged() && ((last->get_typetype() != Type::T_CHOICE_A && last->get_typetype() != Type::T_CHOICE_T && last->get_typetype() != Type::T_ANYTYPE) || legacy_untagged_union == TRUE)) { // "untagged" on the (toplevel) input type will have no effect, // unless it is union or anytype warning("UNTAGGED encoding attribute is ignored on top-level type"); } } if (Common::Type::CT_CUSTOM == encoding_type || Common::Type::CT_PER == encoding_type) { if (PROTOTYPE_CONVERT != prototype) { error("Only `prototype(convert)' is allowed for %s encoding functions", Type::get_encoding_name(encoding_type)); } else if (input_type->is_ref()) { // let the input type know that this is its encoding function if (legacy_codec_handling) { input_type->get_type_refd()->set_legacy_coding_function(true, this); } else { input_type->get_type_refd()->set_coding_function( encoding_type == Common::Type::CT_PER ? "PER" : encoding_options->c_str(), TRUE, this); } // treat this as a manual external function during code generation function_type = EXTFUNC_MANUAL; } } else if (legacy_codec_handling && // for now, this only works with legacy codec handling input_type->is_ref() && input_type->get_type_refd()->is_asn1()) { // let the input ASN.1 type know that this is its encoding type input_type->get_type_refd()->set_asn_coding(true, encoding_type); } } } if (output_type) { if(encoding_type == Common::Type::CT_TEXT) { // TEXT encoding supports bitstring, octetstring and charstring stream types Type *stream_type = Type::get_stream_type(encoding_type,0); Type *stream_type2 = Type::get_stream_type(encoding_type,1); Type *stream_type3 = Type::get_stream_type(encoding_type,2); if ( (!stream_type->is_identical(output_type)) && (!stream_type2->is_identical(output_type)) && (!stream_type3->is_identical(output_type))) { output_type->error("The output type of %s encoding should be `%s', " "`%s' or `%s' instead of `%s'", Type::get_encoding_name(encoding_type), stream_type->get_typename().c_str(), stream_type2->get_typename().c_str(), stream_type3->get_typename().c_str(), output_type->get_typename().c_str()); } } else if (encoding_type == Common::Type::CT_CUSTOM || encoding_type == Common::Type::CT_PER) { // custom and PER encodings only support the bitstring stream type Type *stream_type = Type::get_stream_type(encoding_type); if (!stream_type->is_identical(output_type)) { output_type->error("The output type of %s encoding should be `%s' " "instead of `%s'", Type::get_encoding_name(encoding_type), stream_type->get_typename().c_str(), output_type->get_typename().c_str()); } } else { // all other encodings support bitstring and octetstring stream types Type *stream_type = Type::get_stream_type(encoding_type, 0); Type *stream_type2 = Type::get_stream_type(encoding_type, 1); if (!stream_type->is_identical(output_type) && !stream_type2->is_identical(output_type)) { output_type->error("The output type of %s encoding should be `%s' " "or '%s' instead of `%s'", Type::get_encoding_name(encoding_type), stream_type->get_typename().c_str(), stream_type2->get_typename().c_str(), output_type->get_typename().c_str()); } } } if (eb_list) eb_list->chk(); chk_allowed_encode(); break; case EXTFUNC_DECODE: if (prototype == PROTOTYPE_NONE) { error("Attribute `decode' cannot be used without `prototype'"); } if (input_type) { if(encoding_type == Common::Type::CT_TEXT) { // TEXT encoding supports bitstring, octetstring and charstring stream types Type *stream_type = Type::get_stream_type(encoding_type,0); Type *stream_type2 = Type::get_stream_type(encoding_type,1); Type *stream_type3 = Type::get_stream_type(encoding_type,2); if ( (!stream_type->is_identical(input_type)) && (!stream_type2->is_identical(input_type)) && (!stream_type3->is_identical(input_type))) { input_type->error("The input type of %s decoding should be `%s', " "`%s' or `%s' instead of `%s'", Type::get_encoding_name(encoding_type), stream_type->get_typename().c_str(), stream_type2->get_typename().c_str(), stream_type3->get_typename().c_str(), input_type->get_typename().c_str()); } } else if (encoding_type == Common::Type::CT_CUSTOM || encoding_type == Common::Type::CT_PER) { // custom and PER encodings only support the bitstring stream type Type *stream_type = Type::get_stream_type(encoding_type); if (!stream_type->is_identical(input_type)) { input_type->error("The input type of %s decoding should be `%s' " "instead of `%s'", Type::get_encoding_name(encoding_type), stream_type->get_typename().c_str(), input_type->get_typename().c_str()); } } else { // all other encodings support bitstring and octetstring stream types Type *stream_type = Type::get_stream_type(encoding_type, 0); Type *stream_type2 = Type::get_stream_type(encoding_type, 1); if (!stream_type->is_identical(input_type) && !stream_type2->is_identical(input_type)) { input_type->error("The input type of %s decoding should be `%s' " "or `%s' instead of `%s'", Type::get_encoding_name(encoding_type), stream_type->get_typename().c_str(), stream_type2->get_typename().c_str(), input_type->get_typename().c_str()); } } } if (output_type && !output_type->has_encoding(encoding_type, encoding_options)) { if (Common::Type::CT_CUSTOM == encoding_type) { output_type->error("Output type `%s' does not support custom encoding '%s'", output_type->get_typename().c_str(), encoding_options->c_str()); } else { output_type->error("Output type `%s' does not support %s encoding", output_type->get_typename().c_str(), Type::get_encoding_name(encoding_type)); } } else { if (Common::Type::CT_CUSTOM == encoding_type || Common::Type::CT_PER == encoding_type) { if (PROTOTYPE_SLIDING != prototype) { error("Only `prototype(sliding)' is allowed for %s decoding functions", Type::get_encoding_name(encoding_type)); } else if (output_type != NULL && output_type->is_ref()) { // let the output type know that this is its decoding function if (legacy_codec_handling) { output_type->get_type_refd()->set_legacy_coding_function(false, this); } else { output_type->get_type_refd()->set_coding_function( encoding_type == Common::Type::CT_PER ? "PER" : encoding_options->c_str(), FALSE, this); } // treat this as a manual external function during code generation function_type = EXTFUNC_MANUAL; } } else if (legacy_codec_handling && // for now, this only works with legacy codec handling output_type != NULL && output_type->is_ref() && output_type->get_type_refd()->is_asn1()) { // let the output ASN.1 type know that this is its decoding type output_type->get_type_refd()->set_asn_coding(false, encoding_type); } } if (eb_list) eb_list->chk(); chk_allowed_encode(); break; default: FATAL_ERROR("Def_ExtFunction::chk()"); } if (deterministic) { note("Please ensure that the `%s' external function complies with the" " requirements in clause 16.1.4 of the TTCN-3 core language" " standard (ES 201 873-1)", id->get_dispname().c_str()); } } void Def_ExtFunction::chk_allowed_encode() { switch (encoding_type) { case Type::CT_BER: if (enable_ber()) return; // ok break; case Type::CT_RAW: if (enable_raw()) return; // ok break; case Type::CT_TEXT: if (enable_text()) return; // ok break; case Type::CT_XER: if (enable_xer()) return; // ok break; case Type::CT_PER: if (enable_per()) return; // ok? break; case Type::CT_JSON: if (enable_json()) return; break; case Type::CT_OER: if (enable_oer()) return; break; case Type::CT_CUSTOM: return; // cannot be disabled default: FATAL_ERROR("Def_ExtFunction::chk_allowed_encode"); break; } error("%s encoding is disallowed by license or commandline options", Type::get_encoding_name(encoding_type)); } void Def_ExtFunction::chk() { if (checked) return; checked = true; Error_Context cntxt(this, "In external function definition `%s'", id->get_dispname().c_str()); if (!ext_keyword && !my_scope->get_scope_class()->is_external()) { error("Missing function body or `external' keyword"); } fp_list->chk(asstype); if (return_type) { Error_Context cntxt2(return_type, "In return type"); return_type->chk(); return_type->chk_as_return_type(asstype == A_EXT_FUNCTION_RVAL, " external function"); } if (!semantic_check_only) fp_list->set_genname(get_genname()); if (w_attrib_path) { w_attrib_path->chk_global_attrib(); w_attrib_path->chk_no_qualif(); const Ttcn::ExtensionAttributes * extattrs = parse_extattributes(w_attrib_path); if (extattrs != 0) { size_t num_atrs = extattrs->size(); for (size_t i=0; i < num_atrs; ++i) { ExtensionAttribute &ea = extattrs->get(i); switch (ea.get_type()) { case ExtensionAttribute::PROTOTYPE: { if (get_prototype() != Def_Function_Base::PROTOTYPE_NONE) { ea.error("Duplicate attribute `prototype'"); } Def_Function_Base::prototype_t proto = ea.get_proto(); set_prototype(proto); break; } case ExtensionAttribute::ENCODE: { switch (get_function_type()) { case Def_ExtFunction::EXTFUNC_MANUAL: break; case Def_ExtFunction::EXTFUNC_ENCODE: { ea.error("Duplicate attribute `encode'"); break; } case Def_ExtFunction::EXTFUNC_DECODE: { ea.error("Attributes `decode' and `encode' " "cannot be used at the same time"); break; } default: FATAL_ERROR("coding_attrib_parse(): invalid external function type"); } Type::MessageEncodingType_t et; string *opt; ea.get_encdec_parameters(et, opt); set_encode_parameters(et, opt); break; } case ExtensionAttribute::ERRORBEHAVIOR: { add_eb_list(ea.get_eb_list()); break; } case ExtensionAttribute::DECODE: { switch (get_function_type()) { case Def_ExtFunction::EXTFUNC_MANUAL: break; case Def_ExtFunction::EXTFUNC_ENCODE: { ea.error("Attributes `encode' and `decode' " "cannot be used at the same time"); break; } case Def_ExtFunction::EXTFUNC_DECODE: { ea.error("Duplicate attribute `decode'"); break; } default: FATAL_ERROR("coding_attrib_parse(): invalid external function type"); } Type::MessageEncodingType_t et; string *opt; ea.get_encdec_parameters(et, opt); set_decode_parameters(et, opt); break; } case ExtensionAttribute::PRINTING: { printing = ea.get_printing(); break; } case ExtensionAttribute::ANYTYPELIST: // ignore, because we can't distinguish between a local // "extension anytype" (which is bogus) and an inherited one // (which was meant for a type definition) break; case ExtensionAttribute::NONE: // Ignore, do not issue "wrong type" error break; default: ea.error( "Only the following extension attributes may be applied to " "external functions: 'prototype', 'encode', 'decode', 'errorbehavior'"); break; } // switch type } // next attribute delete extattrs; } // if extatrs } chk_prototype(); chk_function_type(); if (NULL != printing && (EXTFUNC_ENCODE != function_type || (Type::CT_JSON != encoding_type && Type::CT_XER != encoding_type))) { error("Attribute 'printing' is only allowed for JSON and XER encoding functions."); } } char *Def_ExtFunction::generate_code_encode(char *str) { const char *function_name = id->get_dispname().c_str(); const char *first_par_name = fp_list->get_fp_byIndex(0)->get_id().get_name().c_str(); // producing debug printout of the input PDU str = mputprintf(str, #ifndef NDEBUG "// written by %s in " __FILE__ " at %d\n" #endif "if (TTCN_Logger::log_this_event(TTCN_Logger::DEBUG_ENCDEC)) {\n" "TTCN_Logger::begin_event(TTCN_Logger::DEBUG_ENCDEC);\n" "TTCN_Logger::log_event_str(\"%s(): Encoding %s: \");\n" "%s.log();\n" "TTCN_Logger::end_event();\n" "}\n" #ifndef NDEBUG , __FUNCTION__, __LINE__ #endif , function_name, input_type->get_typename().c_str(), first_par_name); // setting error behavior if (eb_list) str = eb_list->generate_code(str); else str = mputstr(str, "TTCN_EncDec::set_error_behavior(" "TTCN_EncDec::ET_ALL, TTCN_EncDec::EB_DEFAULT);\n"); // encoding PDU into the buffer str = mputstr(str, "TTCN_Buffer ttcn_buffer;\n"); str = mputprintf(str, "%s.encode(%s_descr_, ttcn_buffer, TTCN_EncDec::CT_%s", first_par_name, input_type->get_genname_typedescriptor(my_scope).c_str(), Type::get_encoding_name(encoding_type)); if (encoding_type == Type::CT_JSON) { if (printing != NULL) { str = printing->generate_code(str); } else { str = mputstr(str, ", 0"); } } else if (encoding_type == Type::CT_XER) { bool compact_printing = printing != NULL && printing->get_printing() == PrintingType::PT_COMPACT; if (compact_printing || encoding_options) { str = mputstr(str, ", "); if (compact_printing) { str = mputprintf(str, "XER_CANONICAL%s", encoding_options ? "|" : ""); } if (encoding_options) str = mputprintf(str, "%s", encoding_options->c_str()); } else { str = mputstr(str, ", 0"); } } else { if (encoding_options) { str = mputprintf(str, ", %s", encoding_options->c_str()); } else { str = mputstr(str, ", 0"); } } str = mputstr(str, ");\n"); const char *result_name; switch (prototype) { case PROTOTYPE_CONVERT: result_name = "ret_val"; // creating a local variable for the result stream str = mputprintf(str, "%s ret_val;\n", output_type->get_genname_value(my_scope).c_str()); break; case PROTOTYPE_FAST: result_name = fp_list->get_fp_byIndex(1)->get_id().get_name().c_str(); break; default: FATAL_ERROR("Def_ExtFunction::generate_code_encode()"); result_name = 0; } // taking the result from the buffer and producing debug printout if (output_type->get_type_refd_last()->get_typetype_ttcn3() == Common::Type::T_BSTR) { // cannot extract a bitstring from the buffer, use temporary octetstring // and convert it to bitstring str = mputprintf(str, "OCTETSTRING tmp_os;\n" "ttcn_buffer.get_string(tmp_os);\n" "%s = oct2bit(tmp_os);\n", result_name); } else { str = mputprintf(str, "ttcn_buffer.get_string(%s);\n", result_name); } str = mputprintf(str, "if (TTCN_Logger::log_this_event(TTCN_Logger::DEBUG_ENCDEC)) {\n" "TTCN_Logger::begin_event(TTCN_Logger::DEBUG_ENCDEC);\n" "TTCN_Logger::log_event_str(\"%s(): Stream after encoding: \");\n" "%s.log();\n" "TTCN_Logger::end_event();\n" "}\n", function_name, result_name); // returning the result stream if necessary if (prototype == PROTOTYPE_CONVERT) { if (debugger_active) { str = mputstr(str, "ttcn3_debugger.set_return_value((TTCN_Logger::begin_event_log2str(), " "ret_val.log(), TTCN_Logger::end_event_log2str()));\n"); } str = mputstr(str, "return ret_val;\n"); } return str; } char *Def_ExtFunction::generate_code_decode(char *str) { const char *function_name = id->get_dispname().c_str(); const char *first_par_name = fp_list->get_fp_byIndex(0)->get_id().get_name().c_str(); // producing debug printout of the input stream str = mputprintf(str, #ifndef NDEBUG "// written by %s in " __FILE__ " at %d\n" #endif "if (TTCN_Logger::log_this_event(TTCN_Logger::DEBUG_ENCDEC)) {\n" "TTCN_Logger::begin_event(TTCN_Logger::DEBUG_ENCDEC);\n" "TTCN_Logger::log_event_str(\"%s(): Stream before decoding: \");\n" "%s.log();\n" "TTCN_Logger::end_event();\n" "}\n" #ifndef NDEBUG , __FUNCTION__, __LINE__ #endif , function_name, first_par_name); // setting error behavior if (eb_list) str = eb_list->generate_code(str); else if (prototype == PROTOTYPE_BACKTRACK || prototype == PROTOTYPE_SLIDING) { str = mputstr(str, "TTCN_EncDec::set_error_behavior(" "TTCN_EncDec::ET_ALL, TTCN_EncDec::EB_WARNING);\n"); } else str = mputstr(str, "TTCN_EncDec::set_error_behavior(" "TTCN_EncDec::ET_ALL, TTCN_EncDec::EB_DEFAULT);\n"); str = mputstr(str, "TTCN_EncDec::clear_error();\n"); // creating a buffer from the input stream if (input_type->get_type_refd_last()->get_typetype_ttcn3() == Common::Type::T_BSTR) { // cannot create a buffer from a bitstring, convert it to octetstring str = mputprintf(str, "TTCN_Buffer ttcn_buffer(bit2oct(%s));\n", first_par_name); } else { str = mputprintf(str, "TTCN_Buffer ttcn_buffer(%s);\n", first_par_name); } const char *result_name; if (prototype == PROTOTYPE_CONVERT) { // creating a local variable for the result str = mputprintf(str, "%s ret_val;\n", output_type->get_genname_value(my_scope).c_str()); result_name = "ret_val"; } else { result_name = fp_list->get_fp_byIndex(1)->get_id().get_name().c_str(); } if(encoding_type==Type::CT_TEXT){ str = mputprintf(str, "if (TTCN_Logger::log_this_event(TTCN_Logger::DEBUG_ENCDEC)) {\n" " TTCN_EncDec::set_error_behavior(TTCN_EncDec::ET_LOG_MATCHING, TTCN_EncDec::EB_WARNING);\n" "}\n"); } str = mputprintf(str, "%s.decode(%s_descr_, ttcn_buffer, " "TTCN_EncDec::CT_%s", result_name, output_type->get_genname_typedescriptor(my_scope).c_str(), Type::get_encoding_name(encoding_type)); if (encoding_options) str = mputprintf(str, ", %s", encoding_options->c_str()); str = mputstr(str, ");\n"); // producing debug printout of the result PDU str = mputprintf(str, "if (TTCN_Logger::log_this_event(TTCN_Logger::DEBUG_ENCDEC)) {\n" "TTCN_Logger::begin_event(TTCN_Logger::DEBUG_ENCDEC);\n" "TTCN_Logger::log_event_str(\"%s(): Decoded %s: \");\n" "%s.log();\n" "TTCN_Logger::end_event();\n" "}\n", function_name, output_type->get_typename().c_str(), result_name); if (prototype != PROTOTYPE_SLIDING) { // checking for remaining data in the buffer if decoding was successful str = mputprintf(str, "if (TTCN_EncDec::get_last_error_type() == " "TTCN_EncDec::ET_NONE) {\n" "if (ttcn_buffer.get_pos() < ttcn_buffer.get_len()) {\n" "ttcn_buffer.cut();\n" "OCTETSTRING tmp_os;\n" "ttcn_buffer.get_string(tmp_os);\n" "TTCN_Logger::begin_event_log2str();\n" "%s.log();\n" "CHARSTRING remaining_stream = TTCN_Logger::end_event_log2str();\n" "TTCN_EncDec_ErrorContext::error(TTCN_EncDec::ET_EXTRA_DATA, " "\"%s(): Data remained at the end of the stream after successful " "decoding: %%s\", (const char*) remaining_stream);\n" "}\n", (input_type->get_type_refd_last()->get_typetype_ttcn3() == Common::Type::T_BSTR) ? "oct2bit(tmp_os)" : "tmp_os", function_name); // closing the block and returning the appropriate result or status code if (prototype == PROTOTYPE_BACKTRACK) { if (debugger_active) { str = mputstr(str, "ttcn3_debugger.set_return_value(\"0\");\n"); } str = mputstr(str, "return 0;\n" "} else {\n"); if (debugger_active) { str = mputstr(str, "ttcn3_debugger.set_return_value(\"1\");\n"); } str = mputstr(str, "return 1;\n" "}\n"); } else { str = mputstr(str, "}\n"); if (prototype == PROTOTYPE_CONVERT) { if (debugger_active) { str = mputstr(str, "ttcn3_debugger.set_return_value((TTCN_Logger::begin_event_log2str(), " "ret_val.log(), TTCN_Logger::end_event_log2str()));\n"); } str = mputstr(str, "return ret_val;\n"); } } } else { // result handling and debug printout for sliding decoders str = mputstr(str, "switch (TTCN_EncDec::get_last_error_type()) {\n" "case TTCN_EncDec::ET_NONE: {\n" // TTCN_Buffer::get_string will call OCTETSTRING::clean_up() "ttcn_buffer.cut();\n"); if (input_type->get_type_refd_last()->get_typetype_ttcn3() == Common::Type::T_BSTR) { str = mputprintf(str, "OCTETSTRING tmp_os;\n" "ttcn_buffer.get_string(tmp_os);\n" "%s = oct2bit(tmp_os);\n", first_par_name); } else { str = mputprintf(str, "ttcn_buffer.get_string(%s);\n", first_par_name); } str = mputprintf(str, "if (TTCN_Logger::log_this_event(TTCN_Logger::DEBUG_ENCDEC)) {\n" "TTCN_Logger::begin_event(TTCN_Logger::DEBUG_ENCDEC);\n" "TTCN_Logger::log_event_str(\"%s(): Stream after decoding: \");\n" "%s.log();\n" "TTCN_Logger::end_event();\n" "}\n" "%sreturn 0; }\n" "case TTCN_EncDec::ET_INCOMPL_MSG:\n" "case TTCN_EncDec::ET_LEN_ERR:\n" "%sreturn 2;\n" "default:\n" "%sreturn 1;\n" "}\n", function_name, first_par_name, debugger_active ? "ttcn3_debugger.set_return_value(\"0\");\n" : "", debugger_active ? "ttcn3_debugger.set_return_value(\"2\");\n" : "", debugger_active ? "ttcn3_debugger.set_return_value(\"1\");\n" : ""); } return str; } void Def_ExtFunction::generate_code(output_struct *target, bool) { const string& t_genname = get_genname(); const char *genname_str = t_genname.c_str(); string return_type_name; switch (asstype) { case A_EXT_FUNCTION: return_type_name = "void"; break; case A_EXT_FUNCTION_RVAL: return_type_name = return_type->get_genname_value(my_scope); break; case A_EXT_FUNCTION_RTEMP: return_type_name = return_type->get_genname_template(my_scope); break; default: FATAL_ERROR("Def_ExtFunction::generate_code()"); } const char *return_type_str = return_type_name.c_str(); char *formal_par_list = fp_list->generate_code(memptystr(), fp_list->get_nof_fps()); fp_list->generate_code_defval(target); bool in_class = my_scope->is_class_scope(); // function prototype char*& header = in_class ? target->header.class_defs : target->header.function_prototypes; header = mputprintf(header, "%s %s %s(%s);\n", in_class ? "virtual" : "extern", return_type_str, genname_str, formal_par_list); if (function_type != EXTFUNC_MANUAL) { // function body written by the compiler char *body = 0; #ifndef NDEBUG body = mprintf("// written by %s in " __FILE__ " at %d\n" , __FUNCTION__, __LINE__); #endif body = mputprintf(body, "%s %s(%s)\n" "{\n" , return_type_str, genname_str, formal_par_list); if (debugger_active) { body = generate_code_debugger_function_init(body, this); } switch (function_type) { case EXTFUNC_ENCODE: body = generate_code_encode(body); break; case EXTFUNC_DECODE: body = generate_code_decode(body); break; default: FATAL_ERROR("Def_ExtFunction::generate_code()"); } body = mputstr(body, "}\n\n"); target->source.function_bodies = mputstr(target->source.function_bodies, body); Free(body); } else if (in_class && my_scope->get_scope_class()->is_external()) { char* out_par_str = enable_set_bound_out_param ? memptystr() : fp_list->generate_code_set_unbound(memptystr()); target->source.methods = mputprintf(target->source.methods, "%s %s::%s(%s)\n" "{\n" "%s\n" "}\n\n", return_type_str, my_scope->get_scope_class()->get_id()->get_name().c_str(), genname_str, formal_par_list, out_par_str); Free(out_par_str); } Free(formal_par_list); if (!in_class) { target->functions.pre_init = mputprintf(target->functions.pre_init, "%s.add_function(\"%s\", (genericfunc_t)&%s, NULL);\n", get_module_object_name(), id->get_dispname().c_str(), genname_str); } } void Def_ExtFunction::generate_code(CodeGenHelper& cgh) { generate_code(cgh.get_current_outputstruct()); } void Def_ExtFunction::dump_internal(unsigned level) const { DEBUG(level, "External function: %s", id->get_dispname().c_str()); DEBUG(level + 1, "Parameters:"); fp_list->dump(level + 2); if (return_type) { DEBUG(level + 1, "Return type:"); return_type->dump(level + 2); if(asstype == A_EXT_FUNCTION_RTEMP) DEBUG(level + 1, "Returns template"); } DEBUG(level + 1, "Deterministic: %s", deterministic ? "true" : "false"); if (prototype != PROTOTYPE_NONE) DEBUG(level + 1, "Prototype: %s", get_prototype_name()); if (function_type != EXTFUNC_MANUAL) { DEBUG(level + 1, "Automatically generated: %s", function_type == EXTFUNC_ENCODE ? "encoder" : "decoder"); DEBUG(level + 2, "Encoding type: %s", Type::get_encoding_name(encoding_type)); if (encoding_options) DEBUG(level + 2, "Encoding options: %s", encoding_options->c_str()); } if (eb_list) eb_list->dump(level + 1); } void Def_ExtFunction::generate_json_schema_ref(map& json_refs) { // only do anything if this is a JSON encoding or decoding function if (encoding_type == Type::CT_JSON && (function_type == EXTFUNC_ENCODE || function_type == EXTFUNC_DECODE)) { // retrieve the encoded type Type* type = NULL; if (function_type == EXTFUNC_ENCODE) { // for encoding functions it's always the first parameter type = fp_list->get_fp_byIndex(0)->get_Type(); } else { // for decoding functions it depends on the prototype switch (prototype) { case PROTOTYPE_CONVERT: type = return_type; break; case PROTOTYPE_FAST: case PROTOTYPE_BACKTRACK: case PROTOTYPE_SLIDING: type = fp_list->get_fp_byIndex(1)->get_Type(); break; default: FATAL_ERROR("Def_ExtFunction::generate_json_schema_ref"); } } // step over the type reference created for this function type = type->get_type_refd(); JSON_Tokenizer* json = NULL; if (json_refs.has_key(type)) { // the schema segment containing the type's reference already exists json = json_refs[type]; } else { // the schema segment doesn't exist yet, create it and insert the reference json = new JSON_Tokenizer; json_refs.add(type, json); type->generate_json_schema_ref(*json); } // insert a property to specify which function this is (encoding or decoding) json->put_next_token(JSON_TOKEN_NAME, (function_type == EXTFUNC_ENCODE) ? "encoding" : "decoding"); // place the function's info in an object json->put_next_token(JSON_TOKEN_OBJECT_START); // insert information related to the function's prototype in an array json->put_next_token(JSON_TOKEN_NAME, "prototype"); json->put_next_token(JSON_TOKEN_ARRAY_START); // 1st element: external function prototype name (as string) switch(prototype) { case PROTOTYPE_CONVERT: json->put_next_token(JSON_TOKEN_STRING, "\"convert\""); break; case PROTOTYPE_FAST: json->put_next_token(JSON_TOKEN_STRING, "\"fast\""); break; case PROTOTYPE_BACKTRACK: json->put_next_token(JSON_TOKEN_STRING, "\"backtrack\""); break; case PROTOTYPE_SLIDING: json->put_next_token(JSON_TOKEN_STRING, "\"sliding\""); break; default: FATAL_ERROR("Def_ExtFunction::generate_json_schema_ref"); } // 2nd element: external function name char* func_name_str = mprintf("\"%s\"", id->get_dispname().c_str()); json->put_next_token(JSON_TOKEN_STRING, func_name_str); Free(func_name_str); // the rest of the elements contain the names of the function's parameters (1 or 2) for (size_t i = 0; i < fp_list->get_nof_fps(); ++i) { char* param_str = mprintf("\"%s\"", fp_list->get_fp_byIndex(i)->get_id().get_dispname().c_str()); json->put_next_token(JSON_TOKEN_STRING, param_str); Free(param_str); } // end of the prototype's array json->put_next_token(JSON_TOKEN_ARRAY_END); // insert error behavior data if (eb_list != NULL) { json->put_next_token(JSON_TOKEN_NAME, "errorBehavior"); json->put_next_token(JSON_TOKEN_OBJECT_START); // add each error behavior modification as a property for (size_t i = 0; i < eb_list->get_nof_ebs(); ++i) { ErrorBehaviorSetting* eb = eb_list->get_ebs_byIndex(i); json->put_next_token(JSON_TOKEN_NAME, eb->get_error_type().c_str()); char* handling_str = mprintf("\"%s\"", eb->get_error_handling().c_str()); json->put_next_token(JSON_TOKEN_STRING, handling_str); Free(handling_str); } json->put_next_token(JSON_TOKEN_OBJECT_END); } // insert printing type if (printing != NULL) { json->put_next_token(JSON_TOKEN_NAME, "printing"); json->put_next_token(JSON_TOKEN_STRING, (printing->get_printing() == PrintingType::PT_PRETTY) ? "\"pretty\"" : "\"compact\""); } // end of this function's object json->put_next_token(JSON_TOKEN_OBJECT_END); } } // ================================= // ===== Def_AbsFunction // ================================= Def_AbsFunction::~Def_AbsFunction() { // TODO } Definition* Def_AbsFunction::clone() const { return NULL; // TODO } void Def_AbsFunction::chk() { if (checked) { return; } checked = true; Error_Context cntxt(this, "In abstract function definition `%s'", id->get_dispname().c_str()); ClassTypeBody* my_class = my_scope->get_scope_class(); if (my_class == NULL) { FATAL_ERROR("Def_AbsFunction::chk"); } if (!my_class->is_abstract()) { error("Concrete class type `%s' cannot have abstract methods", my_class->get_my_def()->get_Type()->get_typename().c_str()); } fp_list->chk(asstype); if (return_type != NULL) { Error_Context cntxt2(return_type, "In return type"); return_type->chk(); return_type->chk_as_return_type(asstype == A_FUNCTION_RVAL, "n abstract function"); } if (!semantic_check_only) { fp_list->set_genname(get_genname()); } // TODO: with attributes } void Def_AbsFunction::generate_code(output_struct* target, bool) { const string& t_genname = get_genname(); const char* genname_str = t_genname.c_str(); string return_type_name; switch (asstype) { case A_FUNCTION: return_type_name = "void"; break; case A_FUNCTION_RVAL: return_type_name = return_type->get_genname_value(my_scope); break; case A_FUNCTION_RTEMP: return_type_name = return_type->get_genname_template(my_scope); break; default: FATAL_ERROR("Def_AbsFunction::generate_code"); } const char* return_type_str = return_type_name.c_str(); char* formal_par_list = fp_list->generate_code(memptystr(), fp_list->get_nof_fps()); fp_list->generate_code_defval(target); target->header.class_defs = mputprintf(target->header.class_defs, "virtual %s %s(%s) = 0;\n", return_type_str, genname_str, formal_par_list); Free(formal_par_list); } // TODO // ================================= // ===== Def_Altstep // ================================= Def_Altstep::Def_Altstep(Identifier *p_id, FormalParList *p_fpl, Reference *p_runs_on_ref, Reference *p_mtc_ref, Reference *p_system_ref, StatementBlock *p_sb, AltGuards *p_ags) : Definition(A_ALTSTEP, p_id), fp_list(p_fpl), runs_on_ref(p_runs_on_ref), runs_on_type(0), mtc_ref(p_mtc_ref), mtc_type(0), system_ref(p_system_ref), system_type(0), sb(p_sb), ags(p_ags) { if (!p_fpl || !p_sb || !p_ags) FATAL_ERROR("Def_Altstep::Def_Altstep()"); fp_list->set_my_def(this); sb->set_my_def(this); ags->set_my_def(this); ags->set_my_sb(sb, 0); } Def_Altstep::~Def_Altstep() { delete fp_list; delete runs_on_ref; delete mtc_ref; delete system_ref; delete sb; delete ags; } Def_Altstep *Def_Altstep::clone() const { FATAL_ERROR("Def_Altstep::clone"); } void Def_Altstep::set_fullname(const string& p_fullname) { Definition::set_fullname(p_fullname); fp_list->set_fullname(p_fullname + "."); if (runs_on_ref) runs_on_ref->set_fullname(p_fullname + "."); if (mtc_ref) mtc_ref->set_fullname(p_fullname + "."); if (system_ref) system_ref->set_fullname(p_fullname + "."); sb->set_fullname(p_fullname+"."); ags->set_fullname(p_fullname + "."); } void Def_Altstep::set_my_scope(Scope *p_scope) { bridgeScope.set_parent_scope(p_scope); bridgeScope.set_scopeMacro_name(id->get_dispname()); Definition::set_my_scope(&bridgeScope); // the scope of the parameter list is set during checking if (runs_on_ref) runs_on_ref->set_my_scope(&bridgeScope); if (mtc_ref) mtc_ref->set_my_scope(&bridgeScope); if (system_ref) system_ref->set_my_scope(&bridgeScope); sb->set_my_scope(fp_list); ags->set_my_scope(sb); } Type *Def_Altstep::get_RunsOnType() { if (!checked) chk(); return runs_on_type; } Type *Def_Altstep::get_MtcType() { if (!checked) chk(); return mtc_type; } Type *Def_Altstep::get_SystemType() { if (!checked) chk(); return system_type; } FormalParList *Def_Altstep::get_FormalParList() { if (!checked) chk(); return fp_list; } RunsOnScope *Def_Altstep::get_runs_on_scope(Type *comptype) { Module *my_module = dynamic_cast(my_scope->get_scope_mod()); if (!my_module) FATAL_ERROR("Def_Altstep::get_runs_on_scope()"); return my_module->get_runs_on_scope(comptype); } void Def_Altstep::chk() { if (checked) return; checked = true; Error_Context cntxt(this, "In altstep definition `%s'", id->get_dispname().c_str()); Scope *parlist_scope = my_scope; if (runs_on_ref) { Error_Context cntxt2(runs_on_ref, "In `runs on' clause"); runs_on_type = runs_on_ref->chk_comptype_ref(); if (runs_on_type) { Scope *runs_on_scope = get_runs_on_scope(runs_on_type); runs_on_scope->set_parent_scope(my_scope); parlist_scope = runs_on_scope; } } if (mtc_ref) { Error_Context cntxt2(mtc_ref, "In `mtc' clause"); mtc_type = mtc_ref->chk_comptype_ref(); } if (system_ref) { Error_Context cntxt2(system_ref, "In `system' clause"); system_type = system_ref->chk_comptype_ref(); } fp_list->set_my_scope(parlist_scope); fp_list->chk(asstype); sb->chk(); ags->set_is_altstep(); ags->set_my_ags(ags); ags->set_my_laic_stmt(ags, 0); ags->chk(); if (!semantic_check_only) { fp_list->set_genname(get_genname()); sb->set_code_section(GovernedSimple::CS_INLINE); ags->set_code_section(GovernedSimple::CS_INLINE); } if (w_attrib_path) { w_attrib_path->chk_global_attrib(); w_attrib_path->chk_no_qualif(); } } void Def_Altstep::generate_code(output_struct *target, bool) { const string& t_genname = get_genname(); const char *genname_str = t_genname.c_str(); const char *dispname_str = id->get_dispname().c_str(); // function for altstep instance: // assemble the function body first (this also determines which parameters // are never used) char* body = create_location_object(memptystr(), "ALTSTEP", dispname_str); if (debugger_active) { body = generate_code_debugger_function_init(body, this); } body = sb->generate_code(body, target->header.global_vars, target->source.global_vars, ags); // generate a smart formal parameter list (omits unused parameter names) char *formal_par_list = fp_list->generate_code(memptystr()); fp_list->generate_code_defval(target); // function for altstep instance: prototype target->header.function_prototypes = mputprintf(target->header.function_prototypes, "extern alt_status %s_instance(%s);\n", genname_str, formal_par_list); // generate shadow objects for parameters if needed // (this needs be done after the body is generated, so it to knows which // parameters are never used) char* shadow_objects = fp_list->generate_shadow_objects(memptystr()); // function for altstep instance: body target->source.function_bodies = mputprintf(target->source.function_bodies, "alt_status %s_instance(%s)\n" "{\n" "%s%s" "}\n\n", genname_str, formal_par_list, shadow_objects, body); Free(formal_par_list); Free(shadow_objects); Free(body); char *actual_par_list = fp_list->generate_code_actual_parlist(memptystr(), ""); // use a full formal parameter list for the rest of the functions char *full_formal_par_list = fp_list->generate_code(memptystr(), fp_list->get_nof_fps()); // wrapper function for stand-alone instantiation: prototype target->header.function_prototypes = mputprintf(target->header.function_prototypes, "extern void %s(%s);\n", genname_str, full_formal_par_list); // wrapper function for stand-alone instantiation: body target->source.function_bodies = mputprintf(target->source.function_bodies, "void %s(%s)\n" "{\n" "altstep_begin:\n" "boolean block_flag = FALSE;\n" "alt_status altstep_flag = ALT_UNCHECKED, " "default_flag = ALT_UNCHECKED;\n" "for ( ; ; ) {\n" "TTCN_Snapshot::take_new(block_flag);\n" "if (altstep_flag != ALT_NO) {\n" "altstep_flag = %s_instance(%s);\n" "if (altstep_flag == ALT_YES || altstep_flag == ALT_BREAK) return;\n" "else if (altstep_flag == ALT_REPEAT) goto altstep_begin;\n" "}\n" "if (default_flag != ALT_NO) {\n" "default_flag = TTCN_Default::try_altsteps();\n" "if (default_flag == ALT_YES || default_flag == ALT_BREAK) return;\n" "else if (default_flag == ALT_REPEAT) goto altstep_begin;\n" "}\n" "if (altstep_flag == ALT_NO && default_flag == ALT_NO) " "TTCN_error(\"None of the branches can be chosen in altstep %s.\");\n" "else block_flag = TRUE;\n" "}\n" "}\n\n", genname_str, full_formal_par_list, genname_str, actual_par_list, dispname_str); // class for keeping the altstep in the default context // the class is for internal use, we do not need to publish it in the // header file char* str = mprintf("class %s_Default : public Default_Base {\n", genname_str); str = fp_list->generate_code_object(str, "par_"); str = mputprintf(str, "public:\n" "%s_Default(%s);\n" "alt_status call_altstep();\n" "};\n\n", genname_str, full_formal_par_list); target->source.class_defs = mputstr(target->source.class_defs, str); Free(str); // member functions of the class str = mprintf("%s_Default::%s_Default(%s)\n" " : Default_Base(\"%s\")", genname_str, genname_str, full_formal_par_list, dispname_str); for (size_t i = 0; i < fp_list->get_nof_fps(); i++) { const char *fp_name_str = fp_list->get_fp_byIndex(i)->get_id().get_name().c_str(); str = mputprintf(str, ", par_%s(%s)", fp_name_str, fp_name_str); } str = mputstr(str, "\n{\n}\n\n"); char *actual_par_list_prefixed = fp_list->generate_code_actual_parlist(memptystr(), "par_"); str = mputprintf(str, "alt_status %s_Default::call_altstep()\n" "{\n" "return %s_instance(%s);\n" "}\n\n", genname_str, genname_str, actual_par_list_prefixed); Free(actual_par_list_prefixed); target->source.methods = mputstr(target->source.methods, str); Free(str); // function for default activation: prototype target->header.function_prototypes = mputprintf(target->header.function_prototypes, "extern Default_Base *activate_%s(%s);\n", genname_str, full_formal_par_list); // function for default activation: body str = mprintf("Default_Base *activate_%s(%s)\n" "{\n", genname_str, full_formal_par_list); str = mputprintf(str, "return new %s_Default(%s);\n" "}\n\n", genname_str, actual_par_list); target->source.function_bodies = mputstr(target->source.function_bodies, str); Free(str); Free(full_formal_par_list); Free(actual_par_list); target->functions.pre_init = mputprintf(target->functions.pre_init, "%s.add_altstep(\"%s\", (genericfunc_t)&%s_instance, (genericfunc_t )&activate_%s, " "(genericfunc_t )&%s);\n", get_module_object_name(), dispname_str, genname_str, genname_str, genname_str); } void Def_Altstep::generate_code(CodeGenHelper& cgh) { generate_code(cgh.get_current_outputstruct()); } void Def_Altstep::dump_internal(unsigned level) const { DEBUG(level, "Altstep: %s", id->get_dispname().c_str()); DEBUG(level + 1, "Parameters:"); fp_list->dump(level + 1); if (runs_on_ref) { DEBUG(level + 1, "Runs on clause:"); runs_on_ref->dump(level + 2); } if (mtc_ref) { DEBUG(level + 1, "Mtc clause:"); mtc_ref->dump(level + 2); } if (system_ref) { DEBUG(level + 1, "System clause:"); system_ref->dump(level + 2); } /* DEBUG(level + 1, "Local definitions:"); sb->dump(level + 2); */ DEBUG(level + 1, "Guards:"); ags->dump(level + 2); } void Def_Altstep::set_parent_path(WithAttribPath* p_path) { Definition::set_parent_path(p_path); sb->set_parent_path(w_attrib_path); } // ================================= // ===== Def_Testcase // ================================= Def_Testcase::Def_Testcase(Identifier *p_id, FormalParList *p_fpl, Reference *p_runs_on_ref, Reference *p_system_ref, StatementBlock *p_block) : Definition(A_TESTCASE, p_id), fp_list(p_fpl), runs_on_ref(p_runs_on_ref), runs_on_type(0), system_ref(p_system_ref), system_type(0), block(p_block) { if (!p_fpl || !p_runs_on_ref || !p_block) FATAL_ERROR("Def_Testcase::Def_Testcase()"); fp_list->set_my_def(this); block->set_my_def(this); } Def_Testcase::~Def_Testcase() { delete fp_list; delete runs_on_ref; delete system_ref; delete block; } Def_Testcase *Def_Testcase::clone() const { FATAL_ERROR("Def_Testcase::clone"); } void Def_Testcase::set_fullname(const string& p_fullname) { Definition::set_fullname(p_fullname); fp_list->set_fullname(p_fullname + "."); runs_on_ref->set_fullname(p_fullname + "."); if (system_ref) system_ref->set_fullname(p_fullname + "."); block->set_fullname(p_fullname + "."); } void Def_Testcase::set_my_scope(Scope *p_scope) { bridgeScope.set_parent_scope(p_scope); bridgeScope.set_scopeMacro_name(id->get_dispname()); Definition::set_my_scope(&bridgeScope); // the scope of the parameter list is set during checking runs_on_ref->set_my_scope(&bridgeScope); if (system_ref) system_ref->set_my_scope(&bridgeScope); block->set_my_scope(fp_list); } Type *Def_Testcase::get_RunsOnType() { if (!checked) chk(); return runs_on_type; } Type *Def_Testcase::get_SystemType() { if (!checked) chk(); return system_type; } FormalParList *Def_Testcase::get_FormalParList() { if (!checked) chk(); return fp_list; } RunsOnScope *Def_Testcase::get_runs_on_scope(Type *comptype) { Module *my_module = dynamic_cast(my_scope->get_scope_mod()); if (!my_module) FATAL_ERROR("Def_Testcase::get_runs_on_scope()"); return my_module->get_runs_on_scope(comptype); } void Def_Testcase::chk() { if (checked) return; checked = true; Error_Context cntxt(this, "In testcase definition `%s'", id->get_dispname().c_str()); Scope *parlist_scope = my_scope; { Error_Context cntxt2(runs_on_ref, "In `runs on' clause"); runs_on_type = runs_on_ref->chk_comptype_ref(); if (runs_on_type) { Scope *runs_on_scope = get_runs_on_scope(runs_on_type); runs_on_scope->set_parent_scope(my_scope); parlist_scope = runs_on_scope; } } if (system_ref) { Error_Context cntxt2(system_ref, "In `system' clause"); system_type = system_ref->chk_comptype_ref();; } fp_list->set_my_scope(parlist_scope); fp_list->chk(asstype); block->chk(); if (!semantic_check_only) { fp_list->set_genname(get_genname()); block->set_code_section(GovernedSimple::CS_INLINE); } if (w_attrib_path) { w_attrib_path->chk_global_attrib(); w_attrib_path->chk_no_qualif(); } } void Def_Testcase::generate_code(output_struct *target, bool) { const string& t_genname = get_genname(); const char *genname_str = t_genname.c_str(); const char *dispname_str = id->get_dispname().c_str(); // assemble the function body first (this also determines which parameters // are never used) // Checking whether the testcase was invoked from another one. // At this point the location information should refer to the execute() // statement rather than this testcase. char* body = mputstr(memptystr(), "TTCN_Runtime::check_begin_testcase(has_timer, " "timer_value);\n"); body = create_location_object(body, "TESTCASE", dispname_str); body = fp_list->generate_shadow_objects(body); if (debugger_active) { body = generate_code_debugger_function_init(body, this); } body = mputprintf(body, "try {\n" "%s" "TTCN_Runtime::begin_testcase(\"%s\", \"%s\", ", oop_features ? "try {\n" : "", my_scope->get_scope_mod()->get_modid().get_dispname().c_str(), dispname_str); ComponentTypeBody *runs_on_body = runs_on_type->get_CompBody(); body = runs_on_body->generate_code_comptype_name(body); body = mputstr(body, ", "); if (system_type) body = system_type->get_CompBody()->generate_code_comptype_name(body); else body = runs_on_body->generate_code_comptype_name(body); body = mputstr(body, ", has_timer, timer_value);\n"); body = block->generate_code(body, target->header.global_vars, target->source.global_vars); body = mputprintf(body, "%s" "} catch (const TC_Error& tc_error) {\n" "} catch (const TC_End& tc_end) {\n" "TTCN_Logger::log_str(TTCN_FUNCTION, \"Test case %s was stopped.\");\n" "}\n", oop_features ? "} catch (const EXCEPTION_BASE& exc) {\n" "TTCN_error(\"Unhandled exception: %s\", (const char*) exc.get_log());\n" "}\n" : "", dispname_str); body = mputstr(body, "return TTCN_Runtime::end_testcase();\n"); // smart formal parameter list (names of unused parameters are omitted) char *formal_par_list = fp_list->generate_code(memptystr()); fp_list->generate_code_defval(target); if (fp_list->get_nof_fps() > 0) formal_par_list = mputstr(formal_par_list, ", "); formal_par_list = mputstr(formal_par_list, "boolean has_timer, double timer_value"); // function prototype target->header.function_prototypes = mputprintf(target->header.function_prototypes, "extern verdicttype testcase_%s(%s);\n", genname_str, formal_par_list); // function body target->source.function_bodies = mputprintf(target->source.function_bodies, "verdicttype testcase_%s(%s)\n" "{\n" "%s" "}\n\n", genname_str, formal_par_list, body); Free(formal_par_list); Free(body); if (fp_list->get_nof_fps() == 0) { // adding to the list of startable testcases target->functions.pre_init = mputprintf(target->functions.pre_init, "%s.add_testcase_nonpard(\"%s\", testcase_%s);\n", get_module_object_name(), dispname_str, genname_str); } else { target->functions.pre_init = mputprintf(target->functions.pre_init, "%s.add_testcase_pard(\"%s\", (genericfunc_t)&testcase_%s);\n", get_module_object_name(), dispname_str, genname_str); // If every formal parameter has a default value, the testcase // might be callable after all. bool callable = true; for (size_t i = 0; i < fp_list->get_nof_fps(); ++i) { FormalPar *fp = fp_list->get_fp_byIndex(i); if (!fp->has_defval()) { callable = false; break; } } if (callable) { // Write a wrapper, which acts as a no-param testcase // by calling the parameterized testcase with the default values. target->header.function_prototypes = mputprintf(target->header.function_prototypes, "extern verdicttype testcase_%s_defparams(boolean has_timer, double timer_value);\n", genname_str); expression_struct expr; Code::init_expr(&expr); target->source.function_bodies = mputprintf(target->source.function_bodies, "verdicttype testcase_%s_defparams(boolean has_timer, double timer_value) {\n", genname_str); expr.expr = mprintf(" return testcase_%s(", genname_str); for (size_t i = 0; i < fp_list->get_nof_fps(); ++i) { FormalPar *fp = fp_list->get_fp_byIndex(i); ActualPar *ap = fp->get_defval(); param_eval_t param_eval = fp != NULL ? fp->get_eval_type() : NORMAL_EVAL; switch (ap->get_selection()) { case ActualPar::AP_VALUE: if (param_eval != NORMAL_EVAL) { LazyFuzzyParamData::init(false); LazyFuzzyParamData::generate_code(&expr, ap->get_Value(), my_scope, param_eval == LAZY_EVAL); LazyFuzzyParamData::clean(); } else { expr.expr = mputstr(expr.expr, ap->get_Value()->get_genname_own(my_scope).c_str()); } break; case ActualPar::AP_TEMPLATE: if (param_eval != NORMAL_EVAL) { LazyFuzzyParamData::init(false); LazyFuzzyParamData::generate_code(&expr, ap->get_TemplateInstance(), ap->get_gen_restriction_check(), my_scope, param_eval == LAZY_EVAL); LazyFuzzyParamData::clean(); } else { if (use_runtime_2) { string tmp_id = my_scope->get_scope_mod_gen()->get_temporary_id(); expr.preamble = mputprintf(expr.preamble, "%s %s;\n", fp->get_Type()->get_genname_template(my_scope).c_str(), tmp_id.c_str()); // use the actual parameter's scope, not the formal parameter's, when // generating the template's initialization code ap->get_TemplateInstance()->set_my_scope(my_scope); expr.preamble = FormalPar::generate_code_defval_template(expr.preamble, ap->get_TemplateInstance(), tmp_id, ap->get_gen_restriction_check()); expr.expr = mputstr(expr.expr, tmp_id.c_str()); } else { expr.expr = mputstr(expr.expr, ap->get_TemplateInstance()->get_Template()->get_genname_own(my_scope).c_str()); } } break; case ActualPar::AP_REF: expr.expr = mputstr(expr.expr, ap->get_Ref()->get_refd_assignment()->get_genname_from_scope(my_scope).c_str()); break; case ActualPar::AP_DEFAULT: // Can't happen. This ActualPar was created by // Ttcn::FormalPar::chk_actual_par as the default value for // a FormalPar, and it only ever creates vale, template or ref. // no break default: FATAL_ERROR("Def_Testcase::generate_code()"); } // always append a comma, because has_timer and timer_value follows expr.expr = mputstrn(expr.expr, ", ", 2); } // the expression_struct merging algorithm adds would add an extra block, // so just append the preamble and expr fields manually target->source.function_bodies = mputprintf(target->source.function_bodies, "%s%shas_timer, timer_value);\n" "}\n\n", expr.preamble == NULL ? "" : expr.preamble, expr.expr); Code::free_expr(&expr); // Add the non-parameterized wrapper *after* the parameterized one, // with the same name. Linear search will always find the first // (user-visible, parameterized) testcase. // TTCN_Module::execute_testcase knows that if after a parameterized // testcase another testcase with the same name follows, // it's the callable, non-parameterized wrapper. // // TTCN_Module::list_testcases skips parameterized testcases; // it will now list the non-parameterized wrapper. target->functions.pre_init = mputprintf(target->functions.pre_init, "%s.add_testcase_nonpard(\"%s\", testcase_%s_defparams);\n", get_module_object_name(), dispname_str, genname_str); } } // has formal parameters } void Def_Testcase::generate_code(CodeGenHelper& cgh) { generate_code(cgh.get_current_outputstruct()); } void Def_Testcase::dump_internal(unsigned level) const { DEBUG(level, "Testcase: %s", id->get_dispname().c_str()); DEBUG(level + 1, "Parameters:"); fp_list->dump(level + 1); DEBUG(level + 1, "Runs on clause:"); runs_on_ref->dump(level + 2); if (system_ref) { DEBUG(level + 1, "System clause:"); system_ref->dump(level + 2); } DEBUG(level + 1, "Statement block:"); block->dump(level + 2); } void Def_Testcase::set_parent_path(WithAttribPath* p_path) { Definition::set_parent_path(p_path); if (block) block->set_parent_path(w_attrib_path); } // ================================= // ===== Def_Constructor // ================================= Def_Constructor::Def_Constructor(FormalParList* p_fp_list, Reference* p_base_call, StatementBlock* p_block) : Definition(A_CONSTRUCTOR, new Common::Identifier( Common::Identifier::ID_TTCN, string("create"), true)), fp_list(p_fp_list), base_call(p_base_call), block(p_block) { if (p_fp_list == NULL) { FATAL_ERROR("Def_Constructor::Def_Constructor"); } fp_list->set_my_def(this); if (block != NULL) { block->set_my_def(this); } } Def_Constructor::~Def_Constructor() { delete fp_list; delete base_call; delete block; } Def_Constructor* Def_Constructor::clone() const { FATAL_ERROR("Def_Constructor::clone"); } void Def_Constructor::set_fullname(const string& p_fullname) { Definition::set_fullname(p_fullname); fp_list->set_fullname(p_fullname + "."); if (base_call != NULL) { base_call->set_fullname(p_fullname + "."); } if (block != NULL) { block->set_fullname(p_fullname + "."); } } void Def_Constructor::set_my_scope(Scope* p_scope) { bridgeScope.set_parent_scope(p_scope); bridgeScope.set_scopeMacro_name(id->get_dispname()); Definition::set_my_scope(&bridgeScope); fp_list->set_my_scope(&bridgeScope); if (base_call != NULL) { base_call->set_my_scope(fp_list); } if (block != NULL) { block->set_my_scope(fp_list); } } FormalParList* Def_Constructor::get_FormalParList() { if (!checked) chk(); return fp_list; } void Def_Constructor::chk() { if (checked) { return; } checked = true; Error_Context cntxt(this, "In constructor definition"); fp_list->chk(asstype); ClassTypeBody* my_class = my_scope->get_scope_class(); ClassTypeBody* base_class = my_class->get_base_class(); if (base_call != NULL) { Error_Context cntxt2(this, "In super-constructor call"); if (base_class == NULL) { base_call->error("Class type `%s' does not have a superclass", my_class->get_my_def()->get_Type()->get_typename().c_str()); } else { Common::Assignment* base_call_ass = base_call->get_refd_assignment(true); if (base_call_ass != NULL) { if (base_call_ass->get_asstype() != Common::Assignment::A_CONSTRUCTOR) { base_call->error("Reference to constructor was expected instead of %s", base_call_ass->get_assname()); } else { ClassTypeBody* base_call_class = base_call_ass->get_my_scope()->get_scope_class(); if (base_call_class != base_class) { base_call->error("expected call to constructor of class type `%s', " "instead of class type `%s'", my_class->get_base_type()->get_typename().c_str(), base_call_class->get_my_def()->get_Type()->get_typename().c_str()); } } } } } else if (base_class != NULL && !my_class->is_external()) { Def_Constructor* base_constructor = base_class->get_constructor(); if (base_constructor != NULL && !base_constructor->get_FormalParList()->has_only_default_values()) { error("Missing super-constructor call"); } } if (block != NULL) { if (my_class->is_external()) { error("The constructor of an external class cannot have a body"); } block->chk(); } else if (!my_class->is_external()) { error("Missing constructor body"); } if (!semantic_check_only) { // prefix 'create' with the class name when forming parameter names // to avoid collisions in the generated code fp_list->set_genname(my_scope->get_scope_class()->get_id()->get_name() + string("_") + get_genname()); if (block != NULL) { block->set_code_section(GovernedSimple::CS_INLINE); } } } void Def_Constructor::generate_code(output_struct *target, bool clean_up) { if (!enable_set_bound_out_param) { target->temp.constructor_block = fp_list->generate_code_set_unbound( target->temp.constructor_block); } char* block_gen_str = block != NULL ? block->generate_code(memptystr(), target->header.global_vars, target->source.global_vars) : NULL; fp_list->generate_code_defval(target); if (block != NULL) { target->temp.constructor_block = fp_list->generate_shadow_objects( target->temp.constructor_block); target->temp.constructor_block = mputstr(target->temp.constructor_block, block_gen_str); } Free(block_gen_str); } void Def_Constructor::set_parent_path(WithAttribPath* p_path) { Definition::set_parent_path(p_path); if (block != NULL) { block->set_parent_path(w_attrib_path); } } // ================================= // ===== FormalPar // ================================= FormalPar::FormalPar(asstype_t p_asstype, Type *p_type, Identifier* p_name, TemplateInstance *p_defval, param_eval_t p_eval) : Definition(p_asstype, p_name), type(p_type), my_parlist(0), used_as_lvalue(false), template_restriction(TR_NONE), eval(p_eval), defval_generated(false), usage_found(false) { switch (p_asstype) { case A_PAR_VAL: case A_PAR_VAL_IN: case A_PAR_VAL_OUT: case A_PAR_VAL_INOUT: case A_PAR_TEMPL_IN: case A_PAR_TEMPL_OUT: case A_PAR_TEMPL_INOUT: case A_PAR_PORT: break; default: FATAL_ERROR("Ttcn::FormalPar::FormalPar(): invalid parameter type"); } if (!p_type) FATAL_ERROR("Ttcn::FormalPar::FormalPar(): NULL pointer"); type->set_ownertype(Type::OT_FORMAL_PAR, this); defval.ti = p_defval; } FormalPar::FormalPar(asstype_t p_asstype, template_restriction_t p_template_restriction, Type *p_type, Identifier* p_name, TemplateInstance *p_defval, param_eval_t p_eval) : Definition(p_asstype, p_name), type(p_type), my_parlist(0), used_as_lvalue(false), template_restriction(p_template_restriction), eval(p_eval), defval_generated(false), usage_found(false) { switch (p_asstype) { case A_PAR_TEMPL_IN: case A_PAR_TEMPL_OUT: case A_PAR_TEMPL_INOUT: break; default: FATAL_ERROR("Ttcn::FormalPar::FormalPar(): parameter not template"); } if (!p_type) FATAL_ERROR("Ttcn::FormalPar::FormalPar(): NULL pointer"); type->set_ownertype(Type::OT_FORMAL_PAR, this); defval.ti = p_defval; } FormalPar::FormalPar(asstype_t p_asstype, Identifier* p_name, TemplateInstance *p_defval) : Definition(p_asstype, p_name), type(0), my_parlist(0), used_as_lvalue(false), template_restriction(TR_NONE), eval(NORMAL_EVAL), defval_generated(false), usage_found(false) { if (p_asstype != A_PAR_TIMER) FATAL_ERROR("Ttcn::FormalPar::FormalPar(): invalid parameter type"); defval.ti = p_defval; } FormalPar::FormalPar(const FormalPar& p) : Definition(p.asstype, p.id->clone()), type(p.type->clone()), my_parlist(0), used_as_lvalue(false), template_restriction(p.template_restriction), eval(p.eval), defval_generated(false), usage_found(false) { type->set_ownertype(Type::OT_FORMAL_PAR, this); checked = p.checked; if (checked) { defval.ap = p.defval.ap != NULL ? p.defval.ap->clone() : NULL; } else { defval.ti = p.defval.ti != NULL ? p.defval.ti->clone() : NULL; } } FormalPar::~FormalPar() { delete type; if (checked) delete defval.ap; else delete defval.ti; } FormalPar* FormalPar::clone() const { return new FormalPar(*this); } void FormalPar::set_fullname(const string& p_fullname) { Definition::set_fullname(p_fullname); if (type) type->set_fullname(p_fullname + "."); if (checked) { if (defval.ap) defval.ap->set_fullname(p_fullname + "."); } else { if (defval.ti) defval.ti->set_fullname(p_fullname + "."); } } void FormalPar::set_my_scope(Scope *p_scope) { Definition::set_my_scope(p_scope); if (type) type->set_my_scope(p_scope); if (checked) { if (defval.ap) defval.ap->set_my_scope(p_scope); } else { if (defval.ti) defval.ti->set_my_scope(p_scope); } } bool FormalPar::is_local() const { return true; } Type *FormalPar::get_Type() { if (!checked) chk(); if (!type) FATAL_ERROR("FormalPar::get_Type()"); return type; } void FormalPar::chk() { if (checked) return; TemplateInstance *default_value = defval.ti; defval.ti = 0; if (type) { type->chk(); Type *t = type->get_type_refd_last(); // checks for forbidden type <-> parameter combinations switch (t->get_typetype()) { case Type::T_PORT: switch (asstype) { case A_PAR_VAL: case A_PAR_VAL_INOUT: asstype = A_PAR_PORT; break; case A_PAR_PORT: break; // should only happen in recursive calls default: error("Port type `%s' cannot be used as %s", t->get_fullname().c_str(), get_assname()); } break; case Type::T_SIGNATURE: switch (asstype) { case A_PAR_TEMPL_IN: case A_PAR_TEMPL_OUT: case A_PAR_TEMPL_INOUT: break; default: error("Signature `%s' cannot be used as %s", t->get_fullname().c_str(), get_assname()); } break; default: switch (asstype) { case A_PAR_PORT: case A_PAR_TIMER: FATAL_ERROR("FormalPar::chk()"); case A_PAR_VAL: asstype = A_PAR_VAL_IN; default: break; } } } else if (asstype != A_PAR_TIMER) FATAL_ERROR("FormalPar::chk()"); checked = true; if (default_value) { Error_Context cntxt(default_value, "In default value"); defval.ap = chk_actual_par(default_value, Type::EXPECTED_STATIC_VALUE); delete default_value; if (!semantic_check_only) defval.ap->set_code_section(GovernedSimple::CS_POST_INIT); } switch (asstype) { case A_PAR_VAL_IN: case A_PAR_TEMPL_IN: if (eval == NORMAL_EVAL && // altstep 'in' parameters are always shadowed in RT2, because if a default // altstep deactivates itself, then its parameters are deleted; // update the genname so that all references in the generated code // will point to the shadow object ((use_runtime_2 && my_parlist->get_my_def() != NULL && my_parlist->get_my_def()->get_asstype() == Definition::A_ALTSTEP) || // always shadow 'in' parameters of class type (to avoid having to deal // with constant OBJECT_REFs at runtime) (type != NULL && type->get_type_refd_last()->get_typetype() == Type::T_CLASS))) { use_as_lvalue(*this); } break; default: break; } } bool FormalPar::has_defval() const { if (checked) return has_defval_checked(); else return defval.ti != 0; } bool FormalPar::has_defval_checked() const { return checked && defval.ap != 0; } bool FormalPar::has_notused_defval() const { if (checked) FATAL_ERROR("FormalPar::has_notused_defval"); if (!defval.ti || !defval.ti->get_Template()) return false; return defval.ti->get_Template()->get_templatetype() == Template::TEMPLATE_NOTUSED; } ActualPar *FormalPar::get_defval() const { if (!checked) FATAL_ERROR("FormalPar::get_defval()"); return defval.ap; } // Extract the TemplateInstance from an ActualPar. void FormalPar::set_defval(ActualPar *defpar) { // ActualPar::clone() is not implemented, since we need such a function // only here only for AP_{VALUE,TEMPLATE} parameters. AP_ERROR can also // happen for Def_Template nodes, but they will be errors later. // FIXME: This function is Def_Template specific. if (!defval.ti->get_Template() || defval.ti->get_Template() ->get_templatetype() != Template::TEMPLATE_NOTUSED) FATAL_ERROR("FormalPar::set_defval()"); TemplateInstance *reversed_ti = 0; switch (defpar->get_selection()) { case ActualPar::AP_VALUE: reversed_ti = new TemplateInstance(type->clone(), 0, new Template (defpar->get_Value()->clone())); // Trust the clone(). break; case ActualPar::AP_TEMPLATE: reversed_ti = defpar->get_TemplateInstance()->clone(); break; case ActualPar::AP_ERROR: break; // Can happen, but let it go. case ActualPar::AP_REF: case ActualPar::AP_DEFAULT: default: FATAL_ERROR("FormalPar::set_defval()"); } if (reversed_ti) { delete defval.ti; reversed_ti->set_my_scope(get_my_scope()); defval.ti = reversed_ti; } } ActualPar *FormalPar::chk_actual_par(TemplateInstance *actual_par, Type::expected_value_t exp_val) { if (!checked) chk(); switch (asstype) { case A_PAR_VAL: case A_PAR_VAL_IN: return chk_actual_par_value(actual_par, exp_val); case A_PAR_VAL_OUT: case A_PAR_VAL_INOUT: return chk_actual_par_by_ref(actual_par, false, exp_val); case A_PAR_TEMPL_IN: return chk_actual_par_template(actual_par, exp_val); case A_PAR_TEMPL_OUT: case A_PAR_TEMPL_INOUT: return chk_actual_par_by_ref(actual_par, true, exp_val); case A_PAR_TIMER: return chk_actual_par_timer(actual_par, exp_val); case A_PAR_PORT: return chk_actual_par_port(actual_par, exp_val); default: FATAL_ERROR("FormalPar::chk_actual_par()"); } return 0; // to avoid warnings } ActualPar *FormalPar::chk_actual_par_value(TemplateInstance *actual_par, Type::expected_value_t exp_val) { actual_par->chk_Type(type); Reference *derived_ref = actual_par->get_DerivedRef(); if (derived_ref) { derived_ref->error("An in-line modified template cannot be used as %s", get_assname()); actual_par->chk_DerivedRef(type); } Template *ap_template = actual_par->get_Template(); if (ap_template->is_Value()) { Value *v = ap_template->get_Value(); v->set_my_governor(type); type->chk_this_value_ref(v); type->chk_this_value(v, 0, exp_val, WARNING_FOR_INCOMPLETE, OMIT_NOT_ALLOWED, SUB_CHK); return new ActualPar(v); } else { actual_par->error("A specific value without matching symbols " "was expected for a %s", get_assname()); return new ActualPar(); } } static void chk_defpar_value(const Value* v) { Common::Reference *vref = v->get_reference(); Common::Assignment *ass2 = vref->get_refd_assignment(); ass2->chk(); Scope *scope = ass2->get_my_scope(); ComponentTypeBody *ctb = dynamic_cast(scope); if (ctb) { // this is a component variable v->error("default value cannot refer to" " a template field of the component in the `runs on' clause"); } } static void chk_defpar_template(const Template *body, Type::expected_value_t exp_val) { switch (body->get_templatetype()) { case Template::TEMPLATE_ERROR: break; // could be erroneous in the source; skip it case Template::TEMPLATE_NOTUSED: case Template::OMIT_VALUE: case Template::ANY_VALUE: case Template::ANY_OR_OMIT: break; // acceptable (?) case Template::TEMPLATE_INVOKE: // calling a function is not acceptable body->error("default value can not be a function invocation"); break; case Template::VALUE_RANGE: { ValueRange *range = body->get_value_range(); Value *low = range->get_min_v(); Type::typetype_t tt_low = low->get_expr_returntype(exp_val); Value *high = range->get_max_v(); Type::typetype_t tt_high = high->get_expr_returntype(exp_val); if (tt_low == tt_high) break; break; } case Template::BSTR_PATTERN: case Template::HSTR_PATTERN: case Template::OSTR_PATTERN: case Template::CSTR_PATTERN: case Template::USTR_PATTERN: break; // should be acceptable in all cases (if only fixed strings possible) case Template::SPECIFIC_VALUE: { Common::Value *v = body->get_specific_value(); if (v->get_valuetype() == Value::V_REFD) chk_defpar_value(v); break; } case Template::ALL_FROM: FATAL_ERROR("should have been flattened"); break; case Template::SUPERSET_MATCH: case Template::SUBSET_MATCH: case Template::PERMUTATION_MATCH: case Template::TEMPLATE_LIST: case Template::COMPLEMENTED_LIST: case Template::VALUE_LIST: { // in template charstring par := charstring : ("foo", "bar", "baz") size_t num = body->get_nof_comps(); for (size_t i = 0; i < num; ++i) { const Template *tpl = body->get_temp_byIndex(i); chk_defpar_template(tpl, exp_val); } break; } case Template::NAMED_TEMPLATE_LIST: { size_t num = body->get_nof_comps(); for (size_t i = 0; i < num; ++i) { const NamedTemplate *nt = body->get_namedtemp_byIndex(i); const Template *tpl = nt->get_template(); chk_defpar_template(tpl, exp_val); } break; } case Template::INDEXED_TEMPLATE_LIST: { size_t num = body->get_nof_comps(); for (size_t i = 0; i < num; ++i) { const IndexedTemplate *it = body->get_indexedtemp_byIndex(i); const Template *tpl = it->get_template(); chk_defpar_template(tpl, exp_val); } break; } case Template::TEMPLATE_REFD: { Reference *ref = body->get_reference(); Ttcn::ActualParList *aplist = ref->get_parlist(); if (!aplist) break; size_t num = aplist->get_nof_pars(); for (size_t i = 0; i < num; ++i) { const Ttcn::ActualPar *ap = aplist->get_par(i); deeper: switch (ap->get_selection()) { case ActualPar::AP_ERROR: { break; } case ActualPar::AP_VALUE: { Value *v = ap->get_Value(); // "v_variable" as the parameter of the template v->chk(); switch (v->get_valuetype()) { case Value::V_REFD: { chk_defpar_value(v); break; } default: break; } break; } case ActualPar::AP_TEMPLATE: { // A component cannot contain a template definition, parameterized or not. // Therefore the template this actual par references, cannot be // a field of a component => no error possible, nothing to do. break; } case ActualPar::AP_REF: { // A template cannot have an out/inout parameter FATAL_ERROR("Template with out parameter?"); break; } case ActualPar::AP_DEFAULT: { ap = ap->get_ActualPar(); goto deeper; break; } // no default } // switch actual par selection } // next break; } case Template::DECODE_MATCH: chk_defpar_template(body->get_decode_target()->get_Template(), exp_val); break; case Template::TEMPLATE_CONCAT: if (!use_runtime_2) { FATAL_ERROR("template concatenation in default parameter"); } chk_defpar_template(body->get_concat_operand(true), exp_val); chk_defpar_template(body->get_concat_operand(false), exp_val); break; } // switch templatetype } // This function is called in two situations: // 1. FormalParList::chk calls FormalPar::chk to compute the default value // (make an ActualPar from a TemplateInstance). // In this case, defval.ti==0, and actual_par contains its old value. // This case is called only if the formal par has a default value. // 2. FormalParList::chk_actual_parlist calls FormalPar::chk_actual_par // to check the parameters supplied by the execute statement to the tc. // In this case, defval.ap has the value computed in case 1. ActualPar *FormalPar::chk_actual_par_template(TemplateInstance *actual_par, Type::expected_value_t exp_val) { actual_par->chk(type); // actual_par->template_body may change: SPECIFIC_VALUE to TEMPLATE_REFD Definition *fplist_def = my_parlist->get_my_def(); // The parameter list belongs to this definition. If it's a function // or testcase, it may have a "runs on" clause. Def_Function *parent_fn = dynamic_cast(fplist_def); Type *runs_on_type = 0; if (parent_fn) runs_on_type = parent_fn->get_RunsOnType(); else { // not a function; maybe a testcase Def_Testcase *parent_tc = dynamic_cast(fplist_def); if (parent_tc) runs_on_type = parent_tc->get_RunsOnType(); } if (runs_on_type) { // If it _has_ a runs on clause, the type must be a component. if (runs_on_type->get_typetype() != Type::T_COMPONENT) FATAL_ERROR("not component?"); // The default value "shall not refer to elements of the component type // in the runs on clause" ComponentTypeBody *runs_on_component = runs_on_type->get_CompBody(); size_t compass = runs_on_component->get_nof_asss(); for (size_t c = 0; c < compass; c++) { Assignment *ass = runs_on_component->get_ass_byIndex(c); (void)ass; } } if (exp_val == Type::EXPECTED_STATIC_VALUE ||exp_val == Type::EXPECTED_CONSTANT) { Ttcn::Template * body = actual_par->get_Template(); chk_defpar_template(body, exp_val); } // Rip out the type, derived ref and template from actual_par // (which may come from a function invocation or the definition // of the default value) and give it to the new ActualPar. ActualPar *ret_val = new ActualPar( new TemplateInstance(actual_par->get_Type(), actual_par->get_DerivedRef(), actual_par->get_Template())); // Zero out these members because the caller will soon call delete // on actual_par, but they now belong to ret_val. // FIXME: should this really be in here, or outside in the caller before the delete ? actual_par->release(); if (template_restriction!=TR_NONE) { bool needs_runtime_check = ret_val->get_TemplateInstance()->chk_restriction( "template formal parameter", template_restriction, ret_val->get_TemplateInstance()); if (needs_runtime_check) ret_val->set_gen_restriction_check(template_restriction); } return ret_val; } ActualPar *FormalPar::chk_actual_par_by_ref(TemplateInstance *actual_par, bool is_template, Type::expected_value_t exp_val) { Type *ap_type = actual_par->get_Type(); if (ap_type) { ap_type->warning("Explicit type specification is useless for an %s", get_assname()); actual_par->chk_Type(type); } Reference *derived_ref = actual_par->get_DerivedRef(); if (derived_ref) { derived_ref->error("An in-line modified template cannot be used as %s", get_assname()); actual_par->chk_DerivedRef(type); } // needed for the error messages const char *expected_string = is_template ? "template variable or template parameter" : "variable or value parameter"; Template *ap_template = actual_par->get_Template(); if (ap_template->is_Ref()) { Reference *ref = ap_template->get_Ref(); Common::Assignment *ass = ref->get_refd_assignment_last(); if (!ass) { delete ref; return new ActualPar(); } bool asstype_correct = false; switch (ass->get_asstype()) { case A_PAR_VAL_IN: ass->use_as_lvalue(*ref); if (get_asstype() == A_PAR_VAL_OUT || get_asstype() == A_PAR_TEMPL_OUT) { ass->warning("Passing an `in' parameter as another function's `out' parameter"); } // no break case A_VAR: case A_EXCEPTION: case A_PAR_VAL_OUT: case A_PAR_VAL_INOUT: if (!is_template) asstype_correct = true; break; case A_PAR_TEMPL_IN: ass->use_as_lvalue(*ref); if (get_asstype() == A_PAR_VAL_OUT || get_asstype() == A_PAR_TEMPL_OUT) { ass->warning("Passing an `in' parameter as another function's `out' parameter"); } // no break case A_VAR_TEMPLATE: case A_PAR_TEMPL_OUT: case A_PAR_TEMPL_INOUT: if (is_template) asstype_correct = true; break; default: break; } if (asstype_correct) { FieldOrArrayRefs *t_subrefs = ref->get_subrefs(); Type *ref_type = ass->get_Type()->get_field_type(t_subrefs, exp_val); if (ref_type) { TypeCompatInfo info(my_scope->get_scope_mod(), type, ref_type, true, false, is_template); TypeChain l_chain_base; TypeChain r_chain_base; if (!type->is_compatible(ref_type, &info, actual_par, &l_chain_base, &r_chain_base)) { if (info.is_subtype_error()) { ref->error("%s", info.get_subtype_error().c_str()); } else if (!info.is_erroneous()) { ref->error("Type mismatch: Reference to a %s of type " "`%s' was expected instead of `%s'", expected_string, type->get_typename().c_str(), ref_type->get_typename().c_str()); } else { // Always use the format string. ref->error("%s", info.get_error_str_str().c_str()); } } else if (type->get_type_refd_last()->get_typetype() != Common::Type::T_COMPONENT && (asstype == A_PAR_VAL_OUT || asstype == A_PAR_VAL_INOUT || asstype == A_PAR_TEMPL_OUT || asstype == A_PAR_TEMPL_INOUT) && !ref_type->is_compatible(type, &info, NULL, &l_chain_base, &r_chain_base)) { // run the type compatibility check in the reverse order, too, for // 'out' and 'inout' parameters (they need to be converted back after // the function call; except if they're component types) // this should never fail if the first type compatibility succeeded FATAL_ERROR("FormalPar::chk_actual_par_by_ref"); } if (t_subrefs && t_subrefs->refers_to_string_element()) { ref->error("Reference to a string element of type `%s' cannot be " "used in this context", ref_type->get_typename().c_str()); } } } else { ref->error("Reference to a %s was expected for an %s instead of %s", expected_string, get_assname(), ass->get_description().c_str()); } ActualPar* ret_val_ap = new ActualPar(ref); // restriction checking if this is a reference to a template variable // this is an 'out' or 'inout' template parameter if (is_template && asstype_correct) { template_restriction_t refd_tr; switch (ass->get_asstype()) { case A_VAR_TEMPLATE: { Def_Var_Template* dvt = dynamic_cast(ass); if (!dvt) FATAL_ERROR("FormalPar::chk_actual_par_by_ref()"); refd_tr = dvt->get_template_restriction(); } break; case A_PAR_TEMPL_IN: case A_PAR_TEMPL_OUT: case A_PAR_TEMPL_INOUT: { FormalPar* fp = dynamic_cast(ass); if (!fp) FATAL_ERROR("FormalPar::chk_actual_par_by_ref()"); refd_tr = fp->get_template_restriction(); } break; default: FATAL_ERROR("FormalPar::chk_actual_par_by_ref()"); break; } refd_tr = Template::get_sub_restriction(refd_tr, ref); if (template_restriction!=refd_tr) { bool pre_call_check = Template::is_less_restrictive(template_restriction, refd_tr); bool post_call_check = Template::is_less_restrictive(refd_tr, template_restriction); if (pre_call_check || post_call_check) { ref->warning("Inadequate restriction on the referenced %s `%s', " "this may cause a dynamic test case error at runtime", ass->get_assname(), ref->get_dispname().c_str()); ass->note("Referenced %s is here", ass->get_assname()); } if (pre_call_check) ret_val_ap->set_gen_restriction_check(template_restriction); if (post_call_check) ret_val_ap->set_gen_post_restriction_check(refd_tr); } // for out and inout template parameters of external functions // always check because we do not trust user written C++ code if (refd_tr!=TR_NONE) { switch (my_parlist->get_my_def()->get_asstype()) { case A_EXT_FUNCTION: case A_EXT_FUNCTION_RVAL: case A_EXT_FUNCTION_RTEMP: ret_val_ap->set_gen_post_restriction_check(refd_tr); break; default: break; } } } return ret_val_ap; } else { actual_par->error("Reference to a %s was expected for an %s", expected_string, get_assname()); return new ActualPar(); } } ActualPar *FormalPar::chk_actual_par_timer(TemplateInstance *actual_par, Type::expected_value_t exp_val) { Type *ap_type = actual_par->get_Type(); if (ap_type) { ap_type->error("Explicit type specification cannot be used for a " "timer parameter"); actual_par->chk_Type(0); } Reference *derived_ref = actual_par->get_DerivedRef(); if (derived_ref) { derived_ref->error("An in-line modified template cannot be used as " "timer parameter"); actual_par->chk_DerivedRef(0); } Template *ap_template = actual_par->get_Template(); if (ap_template->is_Ref()) { Reference *ref = ap_template->get_Ref(); Common::Assignment *ass = ref->get_refd_assignment(); if (!ass) { delete ref; return new ActualPar(); } switch (ass->get_asstype()) { case A_TIMER: { ArrayDimensions *dims = ass->get_Dimensions(); if (dims) dims->chk_indices(ref, "timer", false, exp_val); else if (ref->get_subrefs()) ref->error("Reference to single %s " "cannot have field or array sub-references", ass->get_description().c_str()); break; } case A_PAR_TIMER: if (ref->get_subrefs()) ref->error("Reference to %s cannot have " "field or array sub-references", ass->get_description().c_str()); break; default: ref->error("Reference to a timer or timer parameter was expected for " "a timer parameter instead of %s", ass->get_description().c_str()); } return new ActualPar(ref); } else { actual_par->error("Reference to a timer or timer parameter was " "expected for a timer parameter"); return new ActualPar(); } } ActualPar *FormalPar::chk_actual_par_port(TemplateInstance *actual_par, Type::expected_value_t exp_val) { Type *ap_type = actual_par->get_Type(); if (ap_type) { ap_type->warning("Explicit type specification is useless for a port " "parameter"); actual_par->chk_Type(type); } Reference *derived_ref = actual_par->get_DerivedRef(); if (derived_ref) { derived_ref->error("An in-line modified template cannot be used as " "port parameter"); actual_par->chk_DerivedRef(type); } Template *ap_template = actual_par->get_Template(); if (ap_template->is_Ref()) { Reference *ref = ap_template->get_Ref(); Common::Assignment *ass = ref->get_refd_assignment(); if (!ass) { delete ref; return new ActualPar(); } bool asstype_correct = false; switch (ass->get_asstype()) { case A_PORT: { ArrayDimensions *dims = ass->get_Dimensions(); if (dims) dims->chk_indices(ref, "port", false, exp_val); else if (ref->get_subrefs()) ref->error("Reference to single %s " "cannot have field or array sub-references", ass->get_description().c_str()); asstype_correct = true; break; } case A_PAR_PORT: if (ref->get_subrefs()) ref->error("Reference to %s cannot have " "field or array sub-references", ass->get_description().c_str()); asstype_correct = true; break; default: ref->error("Reference to a port or port parameter was expected for a " "port parameter instead of %s", ass->get_description().c_str()); } if (asstype_correct) { Type *ref_type = ass->get_Type(); if (ref_type && !type->is_identical(ref_type)) ref->error("Type mismatch: Reference to a port or port parameter " "of type `%s' was expected instead of `%s'", type->get_typename().c_str(), ref_type->get_typename().c_str()); } return new ActualPar(ref); } else { if (ap_template->get_templatetype() == Template::SPECIFIC_VALUE) { Value* val = ap_template->get_specific_value(); if (val->get_valuetype() == Common::Value::V_EXPR && val->get_optype() == Common::Value::OPTYPE_GET_PORT_REF) { Value *v = ap_template->get_Value(); // steal the value v->set_my_governor(type); type->chk_this_value_ref(v); type->chk_this_value(v, 0, exp_val, INCOMPLETE_NOT_ALLOWED, OMIT_NOT_ALLOWED, SUB_CHK); return new ActualPar(v); } } actual_par->error("Reference to a port or port parameter was expected " "for a port parameter"); return new ActualPar(); } } void FormalPar::use_as_lvalue(const Location& p_loc) { switch (asstype) { case A_PAR_VAL_IN: case A_PAR_TEMPL_IN: break; default: FATAL_ERROR("FormalPar::use_as_lvalue()"); } if (!used_as_lvalue) { Definition *my_def = my_parlist->get_my_def(); if (!my_def) FATAL_ERROR("FormalPar::use_as_lvalue()"); if (my_def->get_asstype() == A_TEMPLATE) p_loc.error("Parameter `%s' of the template cannot be passed further " "as `out' or `inout' parameter", id->get_dispname().c_str()); else { // update the genname so that all references in the generated code // will point to the shadow object if (eval == NORMAL_EVAL) { set_genname(id->get_name() + "_shadow"); } used_as_lvalue = true; } } } char* FormalPar::generate_code_defval_template(char* str, TemplateInstance* ti, const string& name, template_restriction_t temp_res) { Template *temp = ti->get_Template(); Reference *dref = ti->get_DerivedRef(); if (dref != NULL) { expression_struct expr; Code::init_expr(&expr); expr.expr = mputprintf(expr.expr, "%s = ", name.c_str()); dref->generate_code(&expr); str = Code::merge_free_expr(str, &expr); } if (use_runtime_2 && TypeConv::needs_conv_refd(temp)) { str = TypeConv::gen_conv_code_refd(str, name.c_str(), temp); } else { // force the re-generation of the template's initialization code // (this is needed in case it contains non-deterministic function calls) temp->reset_code_generated(); str = temp->generate_code_init(str, name.c_str()); } if (temp_res != TR_NONE) { str = Template::generate_restriction_check_code(str, name.c_str(), temp_res); } return str; } char* FormalPar::generate_code_defval(char* str) { if (!defval.ap || defval_generated) return str; defval_generated = true; switch (defval.ap->get_selection()) { case ActualPar::AP_VALUE: { Value *val = defval.ap->get_Value(); if (use_runtime_2 && TypeConv::needs_conv_refd(val)) { str = TypeConv::gen_conv_code_refd(str, val->get_lhs_name().c_str(), val); } else { str = val->generate_code_init(str, val->get_lhs_name().c_str()); } break; } case ActualPar::AP_TEMPLATE: { if (!use_runtime_2) { TemplateInstance *ti = defval.ap->get_TemplateInstance(); str = generate_code_defval_template(str, ti, ti->get_Template()->get_lhs_name(), defval.ap->get_gen_restriction_check()); } break; } case ActualPar::AP_REF: break; default: FATAL_ERROR("FormalPar::generate_code()"); } return str; } void FormalPar::generate_code_defval(output_struct *target, bool) { if (!defval.ap) return; switch (defval.ap->get_selection()) { case ActualPar::AP_VALUE: { Value *val = defval.ap->get_Value(); const_def cdef; Code::init_cdef(&cdef); type->generate_code_object(&cdef, val, false); Code::merge_cdef(target, &cdef); Code::free_cdef(&cdef); break; } case ActualPar::AP_TEMPLATE: { if (use_runtime_2) { break; } TemplateInstance *ti = defval.ap->get_TemplateInstance(); Template *temp = ti->get_Template(); const_def cdef; Code::init_cdef(&cdef); type->generate_code_object(&cdef, temp, false); Code::merge_cdef(target, &cdef); Code::free_cdef(&cdef); break; } case ActualPar::AP_REF: break; default: FATAL_ERROR("FormalPar::generate_code()"); } target->functions.post_init = generate_code_defval(target->functions.post_init); } char *FormalPar::generate_code_fpar(char *str, bool display_unused /* = false */) { // the name of the parameter should not be displayed if the parameter is not // used (to avoid a compiler warning) bool display_name = (usage_found || display_unused || debugger_active || (!enable_set_bound_out_param && (asstype == A_PAR_VAL_OUT || asstype == A_PAR_TEMPL_OUT))); const char *name_str = display_name ? id->get_name().c_str() : ""; switch (asstype) { case A_PAR_VAL_IN: if (eval != NORMAL_EVAL) { str = mputprintf(str, "Lazy_Fuzzy_Expr<%s>& %s", type->get_genname_value(my_scope).c_str(), name_str); } else { str = mputprintf(str, "const %s& %s", type->get_genname_value(my_scope).c_str(), name_str); } break; case A_PAR_VAL_OUT: case A_PAR_VAL_INOUT: case A_PAR_PORT: str = mputprintf(str, "%s& %s", type->get_genname_value(my_scope).c_str(), name_str); break; case A_PAR_TEMPL_IN: if (eval != NORMAL_EVAL) { str = mputprintf(str, "Lazy_Fuzzy_Expr<%s>& %s", type->get_genname_template(my_scope).c_str(), name_str); } else { str = mputprintf(str, "const %s& %s", type->get_genname_template(my_scope).c_str(), name_str); } break; case A_PAR_TEMPL_OUT: case A_PAR_TEMPL_INOUT: str = mputprintf(str, "%s& %s", type->get_genname_template(my_scope).c_str(), name_str); break; case A_PAR_TIMER: str = mputprintf(str, "TIMER& %s", name_str); break; default: FATAL_ERROR("FormalPar::generate_code()"); } return str; } string FormalPar::get_reference_name(Scope* scope) const { string ret_val; if (eval != NORMAL_EVAL) { ret_val += "(("; switch (asstype) { case A_PAR_TEMPL_IN: ret_val += type->get_genname_template(scope); break; default: ret_val += type->get_genname_value(scope); break; } ret_val += "&)"; } ret_val += get_id().get_name(); if (eval != NORMAL_EVAL) { ret_val += ")"; } return ret_val; } char *FormalPar::generate_code_object(char *str, const char *p_prefix, char refch, bool gen_init) { const char *name_str = id->get_name().c_str(); switch (asstype) { case A_PAR_VAL_IN: if (eval != NORMAL_EVAL) { str = mputprintf(str, "Lazy_Fuzzy_Expr<%s> %s%s", type->get_genname_value(my_scope).c_str(), p_prefix, name_str); if (gen_init) { str = mputprintf(str, "(%s)", eval == LAZY_EVAL ? "FALSE" : "TRUE"); } str = mputstr(str, ";\n"); } else { str = mputprintf(str, "%s %s%s;\n", type->get_genname_value(my_scope).c_str(), p_prefix, name_str); } break; case A_PAR_VAL_OUT: case A_PAR_VAL_INOUT: case A_PAR_PORT: str = mputprintf(str, "%s%c %s%s;\n", type->get_genname_value(my_scope).c_str(), refch, p_prefix, name_str); break; case A_PAR_TEMPL_IN: if (eval != NORMAL_EVAL) { str = mputprintf(str, "Lazy_Fuzzy_Expr<%s> %s%s", type->get_genname_template(my_scope).c_str(), p_prefix, name_str); if (gen_init) { str = mputprintf(str, "(%s)", eval == LAZY_EVAL ? "FALSE" : "TRUE"); } str = mputstr(str, ";\n"); } else { str = mputprintf(str, "%s %s%s;\n", type->get_genname_template(my_scope).c_str(), p_prefix, name_str); } break; case A_PAR_TEMPL_OUT: case A_PAR_TEMPL_INOUT: str = mputprintf(str, "%s%c %s%s;\n", type->get_genname_template(my_scope).c_str(), refch, p_prefix, name_str); break; case A_PAR_TIMER: str = mputprintf(str, "TIMER& %s%s;\n", p_prefix, name_str); break; default: FATAL_ERROR("FormalPar::generate_code_object()"); } return str; } char *FormalPar::generate_shadow_object(char *str) const { if (used_as_lvalue && usage_found && eval == NORMAL_EVAL) { const string& t_genname = get_genname(); const char *genname_str = t_genname.c_str(); const char *name_str = id->get_name().c_str(); switch (asstype) { case A_PAR_VAL_IN: str = mputprintf(str, "%s %s(%s);\n", type->get_genname_value(my_scope).c_str(), genname_str, name_str); break; case A_PAR_TEMPL_IN: str = mputprintf(str, "%s %s(%s);\n", type->get_genname_template(my_scope).c_str(), genname_str, name_str); break; default: break; } } return str; } char *FormalPar::generate_code_set_unbound(char *str) const { switch (asstype) { case A_PAR_TEMPL_OUT: case A_PAR_VAL_OUT: str = mputprintf(str, "%s.clean_up();\n", id->get_name().c_str()); break; default: break; } return str; } void FormalPar::dump_internal(unsigned level) const { DEBUG(level, "%s: %s", get_assname(), id->get_dispname().c_str()); if (type) type->dump(level + 1); if (checked) { if (defval.ap) { DEBUG(level + 1, "default value:"); defval.ap->dump(level + 2); } } else { if (defval.ti) { DEBUG(level + 1, "default value:"); defval.ti->dump(level + 2); } } } // ================================= // ===== FormalParList // ================================= FormalParList::FormalParList(const FormalParList& p) : Scope(), Location(), pars_v(), pars_m(), min_nof_pars(0), my_def(0), checked(false), is_startable(false) { for (size_t i = 0; i < p.pars_v.size(); ++i) { add_fp(p.pars_v[i]->clone()); } } FormalParList::~FormalParList() { size_t nof_pars = pars_v.size(); for (size_t i = 0; i < nof_pars; i++) delete pars_v[i]; pars_v.clear(); pars_m.clear(); } FormalParList *FormalParList::clone() const { return new FormalParList(*this); } void FormalParList::set_fullname(const string& p_fullname) { Node::set_fullname(p_fullname); for (size_t i = 0; i < pars_v.size(); i++) { FormalPar *par = pars_v[i]; par->set_fullname(p_fullname + "." + par->get_id().get_dispname()); } } void FormalParList::set_my_scope(Scope *p_scope) { set_parent_scope(p_scope); Node::set_my_scope(p_scope); // the scope of parameters is set to the parent scope instead of this // because they cannot refer to each other for (size_t i = 0; i < pars_v.size(); i++) pars_v[i]->set_my_scope(p_scope); } void FormalParList::add_fp(FormalPar *p_fp) { if (!p_fp) FATAL_ERROR("NULL parameter: Ttcn::FormalParList::add_fp()"); pars_v.add(p_fp); p_fp->set_my_parlist(this); checked = false; } bool FormalParList::has_notused_defval() const { for (size_t i = 0; i < pars_v.size(); i++) { if (pars_v[i]->has_notused_defval()) return true; } return false; } bool FormalParList::has_only_default_values() const { for (size_t i = 0; i < pars_v.size(); i++) { if (!pars_v[i]->has_defval()) { return false; } } return true; } bool FormalParList::has_fp_withName(const Identifier& p_name) { if (!checked) chk(Definition::A_UNDEF); return pars_m.has_key(p_name.get_name()); } FormalPar *FormalParList::get_fp_byName(const Identifier& p_name) { if (!checked) chk(Definition::A_UNDEF); return pars_m[p_name.get_name()]; } bool FormalParList::get_startability() { if(!checked) FATAL_ERROR("FormalParList::get_startability()"); return is_startable; } Common::Assignment *FormalParList::get_ass_bySRef(Common::Ref_simple *p_ref) { if (!p_ref || !checked) FATAL_ERROR("FormalParList::get_ass_bySRef()"); if (p_ref->get_modid() || p_ref->get_reftype() != Ref_simple::REF_BASIC) { return parent_scope->get_ass_bySRef(p_ref); } else { const string& name = p_ref->get_id()->get_name(); if (pars_m.has_key(name)) return pars_m[name]; else return parent_scope->get_ass_bySRef(p_ref); } } bool FormalParList::has_ass_withId(const Identifier& p_id) { if (!checked) FATAL_ERROR("Ttcn::FormalParList::has_ass_withId()"); return pars_m.has_key(p_id.get_name()) || parent_scope->has_ass_withId(p_id); } void FormalParList::set_genname(const string& p_prefix) { for (size_t i = 0; i < pars_v.size(); i++) { FormalPar *par = pars_v[i]; const string& par_name = par->get_id().get_name(); if (par->get_asstype() != Definition::A_PAR_TIMER) par->get_Type()->set_genname(p_prefix, par_name); if (par->has_defval_checked()) { string embedded_genname(p_prefix); embedded_genname += '_'; embedded_genname += par_name; embedded_genname += "_defval"; ActualPar *defval = par->get_defval(); switch (defval->get_selection()) { case ActualPar::AP_ERROR: case ActualPar::AP_REF: break; case ActualPar::AP_VALUE: { Value *v = defval->get_Value(); v->set_genname_prefix("const_"); v->set_genname_recursive(embedded_genname); break; } case ActualPar::AP_TEMPLATE: { Template *t = defval->get_TemplateInstance()->get_Template(); t->set_genname_prefix("template_"); t->set_genname_recursive(embedded_genname); break; } default: FATAL_ERROR("FormalParList::set_genname()"); } } } } void FormalParList::chk(Definition::asstype_t deftype) { if (checked) return; checked = true; min_nof_pars = 0; is_startable = true; Error_Context cntxt(this, "In formal parameter list"); for (size_t i = 0; i < pars_v.size(); i++) { FormalPar *par = pars_v[i]; const Identifier& id = par->get_id(); const string& name = id.get_name(); const char *dispname = id.get_dispname().c_str(); if (pars_m.has_key(name)) { par->error("Duplicate parameter with name `%s'", dispname); pars_m[name]->note("Previous definition of `%s' is here", dispname); } else { pars_m.add(name, par); if (parent_scope && parent_scope->has_ass_withId(id)) { Reference ref(0, id.clone()); ref.set_my_scope(this); Common::Assignment *ass = parent_scope->get_ass_bySRef(&ref); if (!ass) FATAL_ERROR("FormalParList::chk()"); if (parent_scope->get_scope_class() == NULL || !ass->get_my_scope()->is_class_scope()) { par->error("Parameter name `%s' is not unique in the scope " "hierarchy", dispname); ass->note("Symbol `%s' is already defined here in a higher scope " "unit", dispname); } } } Error_Context cntxt2(par, "In parameter `%s'", dispname); par->chk(); // check whether the parameter type is allowed switch (deftype) { case Definition::A_TEMPLATE: switch (par->get_asstype()) { case Definition::A_PAR_VAL_IN: case Definition::A_PAR_TEMPL_IN: // these are allowed break; default: par->error("A template cannot have %s", par->get_assname()); } break; case Definition::A_TESTCASE: switch (par->get_asstype()) { case Definition::A_PAR_TIMER: case Definition::A_PAR_PORT: // these are forbidden par->error("A testcase cannot have %s", par->get_assname()); default: break; } break; case Definition::A_PORT: switch (par->get_asstype()) { case Definition::A_PAR_VAL: case Definition::A_PAR_VAL_IN: case Definition::A_PAR_VAL_OUT: case Definition::A_PAR_VAL_INOUT: // these are allowed par->get_Type()->chk_map_param(par); break; default: par->error("The `map'/`unmap' parameters of a port type cannot have %s", par->get_assname()); break; } break; default: // everything is allowed for functions and altsteps break; } //startability chk switch(par->get_asstype()) { case Common::Assignment::A_PAR_VAL_IN: case Common::Assignment::A_PAR_TEMPL_IN: case Common::Assignment::A_PAR_VAL_INOUT: case Common::Assignment::A_PAR_TEMPL_INOUT: case Common::Assignment::A_PAR_VAL_OUT: case Common::Assignment::A_PAR_TEMPL_OUT: if (is_startable && (par->get_Type()->is_component_internal() || (par->get_Type()->get_type_refd_last()->get_typetype() == Common::Type::T_CLASS))) { is_startable = false; } break; default: is_startable = false; break; } if (!par->has_defval()) min_nof_pars = i + 1; // the last parameter without a default value determines the minimum } } // check that @lazy and @fuzzy paramterization are not used in cases currently unsupported void FormalParList::chk_noLazyFuzzyParams() { Error_Context cntxt(this, "In formal parameter list"); for (size_t i = 0; i < pars_v.size(); i++) { FormalPar *par = pars_v[i]; if (par->get_eval_type() != NORMAL_EVAL) { par->error("Formal parameter `%s' cannot be @%s, not supported in this case.", par->get_id().get_dispname().c_str(), par->get_eval_type() == LAZY_EVAL ? "lazy" : "fuzzy"); } } } void FormalParList::chk_startability(const char *p_what, const char *p_name, Location* caller_location) { if(!checked) FATAL_ERROR("FormalParList::chk_startability()"); bool has_out_or_inout = false; for (size_t i = 0; i < pars_v.size(); i++) { FormalPar *par = pars_v[i]; switch (par->get_asstype()) { case Common::Assignment::A_PAR_VAL_INOUT: case Common::Assignment::A_PAR_TEMPL_INOUT: case Common::Assignment::A_PAR_VAL_OUT: case Common::Assignment::A_PAR_TEMPL_OUT: has_out_or_inout = true; // no break case Common::Assignment::A_PAR_VAL_IN: case Common::Assignment::A_PAR_TEMPL_IN: if (!is_startable && par->get_Type()->is_component_internal()) { map type_chain; char* err_str = mprintf("a parameter or embedded in a parameter of " "a function used in a start operation. " "%s `%s' cannot be started on a parallel test component " "because of `%s'", p_what, p_name, par->get_description().c_str()); par->get_Type()->chk_component_internal(type_chain, err_str); Free(err_str); } if (!is_startable && par->get_Type()->get_type_refd_last()->get_typetype() == Common::Type::T_CLASS) { caller_location->error("%s `%s' cannot be started on a parallel test component " "because parameter `%s' is of a class type", p_what, p_name, par->get_id().get_dispname().c_str()); } break; default: if (!is_startable) { par->error("%s `%s' cannot be started on a parallel test component " "because it has %s", p_what, p_name, par->get_description().c_str()); } } } if (has_out_or_inout) { caller_location->warning("The `out' and `inout' parameters of functions " "started on parallel test components will remain unchanged at the end " "of the operation."); } } void FormalParList::chk_compatibility(FormalParList* p_fp_list, const char* where) { size_t nof_type_pars = pars_v.size(); size_t nof_function_pars = p_fp_list->pars_v.size(); // check for the number of parameters if (nof_type_pars != nof_function_pars) { p_fp_list->error("Too %s parameters: %lu was expected instead of %lu", nof_type_pars < nof_function_pars ? "many" : "few", static_cast( nof_type_pars ), static_cast( nof_function_pars)) ; } size_t upper_limit = nof_type_pars < nof_function_pars ? nof_type_pars : nof_function_pars; for (size_t i = 0; i < upper_limit; i++) { FormalPar *type_par = pars_v[i]; FormalPar *function_par = p_fp_list->pars_v[i]; Error_Context cntxt(function_par, "In parameter #%lu", static_cast (i + 1)); FormalPar::asstype_t type_par_asstype = type_par->get_asstype(); FormalPar::asstype_t function_par_asstype = function_par->get_asstype(); // check for parameter kind equivalence // (in, out or inout / value or template) if (type_par_asstype != function_par_asstype) { function_par->error("The kind of the parameter is not the same as in " "type `%s': %s was expected instead of %s", where, type_par->get_assname(), function_par->get_assname()); } // check for type equivalence if (type_par_asstype != FormalPar::A_PAR_TIMER && function_par_asstype != FormalPar::A_PAR_TIMER) { Type *type_par_type = type_par->get_Type(); Type *function_par_type = function_par->get_Type(); if (!type_par_type->is_identical(function_par_type)) { function_par_type->error("The type of the parameter is not the same " "as in type `%s': `%s' was expected instead of `%s'", where, type_par_type->get_typename().c_str(), function_par_type->get_typename().c_str()); } else if (type_par_type->get_sub_type() && function_par_type->get_sub_type() && (type_par_type->get_sub_type()->get_subtypetype()==function_par_type->get_sub_type()->get_subtypetype()) && (!type_par_type->get_sub_type()->is_compatible(function_par_type->get_sub_type()))) { // TODO: maybe equivalence should be checked, or maybe that is too strict function_par_type->error( "Subtype mismatch: subtype %s has no common value with subtype %s", type_par_type->get_sub_type()->to_string().c_str(), function_par_type->get_sub_type()->to_string().c_str()); } } // check for template restriction equivalence if (type_par->get_template_restriction()!= function_par->get_template_restriction()) { function_par->error("The template restriction of the parameter is " "not the same as in type `%s': %s restriction was expected instead " "of %s restriction", where, type_par->get_template_restriction()==TR_NONE ? "no" : Template::get_restriction_name(type_par->get_template_restriction()), function_par->get_template_restriction()==TR_NONE ? "no" : Template::get_restriction_name(function_par-> get_template_restriction())); } // check for @lazy equivalence if (type_par->get_eval_type()!=function_par->get_eval_type()) { function_par->error("Parameter evaluation type (normal, @lazy or @fuzzy) mismatch"); } // check for name equivalence const Identifier& type_par_id = type_par->get_id(); const Identifier& function_par_id = function_par->get_id(); if (type_par_id != function_par_id) { function_par->warning("The name of the parameter is not the same " "as in type `%s': `%s' was expected instead of `%s'", where, type_par_id.get_dispname().c_str(), function_par_id.get_dispname().c_str()); } } } bool FormalParList::fold_named_and_chk(ParsedActualParameters *p_paps, ActualParList *p_aplist) { const size_t num_named = p_paps->get_nof_nps(); const size_t num_unnamed = p_paps->get_nof_tis(); size_t num_actual = num_unnamed; // Construct a map to tell us what index a FormalPar has typedef map formalpar_map_t; formalpar_map_t formalpar_map; size_t num_fp = get_nof_fps(); for (size_t fpx = 0; fpx < num_fp; ++fpx) { FormalPar *fp = get_fp_byIndex(fpx); formalpar_map.add(fp, new size_t(fpx)); } // Go through the named parameters for (size_t i = 0; i < num_named; ++i) { NamedParam *np = p_paps->extract_np_byIndex(i); // We are now responsible for np. if (has_fp_withName(*np->get_name())) { // there is a formal parameter with that name FormalPar *fp = get_fp_byName(*np->get_name()); const size_t is_at = *formalpar_map[fp]; // the index of the formal par if (is_at >= num_actual) { // There is no actual par in the unnamed part. // Create one from the named param. // First, pad the gap with '-' for (; num_actual < is_at; ++num_actual) { Template *not_used; if (pars_v[num_actual]->has_defval()) { not_used = new Template(Template::TEMPLATE_NOTUSED); } else { // cannot use '-' if no default value not_used = new Template(Template::TEMPLATE_ERROR); } TemplateInstance *new_ti = new TemplateInstance(0, 0, not_used); // Conjure a location info at the beginning of the unnamed part // (that is, the beginning of the actual parameter list) new_ti->set_location(p_paps->get_tis()->get_filename(), p_paps->get_tis()->get_first_line(), p_paps->get_tis()->get_first_column(), 0, 0); p_paps->get_tis()->add_ti(new_ti); } TemplateInstance * namedti = np->extract_ti(); p_paps->get_tis()->add_ti(namedti); ++num_actual; } else { // There is already an actual par at that position, fetch it TemplateInstance * ti = p_paps->get_tis()->get_ti_byIndex(is_at); Template::templatetype_t tt = ti->get_Template()->get_templatetype(); if (is_at >= num_unnamed && !ti->get_Type() && !ti->get_DerivedRef() && (tt == Template::TEMPLATE_NOTUSED || tt == Template::TEMPLATE_ERROR)) { // NotUsed in the named part => padding np->error("Named parameter `%s' out of order", np->get_name()->get_dispname().c_str()); } else { // attempt to override an original unnamed param with a named one np->error("Formal parameter `%s' assigned more than once", np->get_name()->get_dispname().c_str()); } } } else { // no formal parameter with that name char * nam = 0; switch (my_def->get_asstype()) { case Common::Assignment::A_TYPE: { Type *t = my_def->get_Type(); switch (t ? t->get_typetype() : 0) { case Type::T_FUNCTION: nam = mcopystr("Function reference"); break; case Type::T_ALTSTEP: nam = mcopystr("Altstep reference"); break; case Type::T_TESTCASE: nam = mcopystr("Testcase reference"); break; default: FATAL_ERROR("FormalParList::chk_actual_parlist() " "Unexpected type %s", t->get_typename().c_str()); } // switch(typetype) break; } default: nam = mcopystr(my_def->get_assname()); break; } // switch(asstype) *nam &= ~('a'-'A'); // Make the first letter uppercase p_paps->get_tis()->error("%s `%s' has no formal parameter `%s'", nam, my_def->get_fullname().c_str(), np->get_name()->get_dispname().c_str()); Free(nam); } delete np; } // Cleanup for (size_t fpx = 0; fpx < num_fp; ++fpx) { delete formalpar_map.get_nth_elem(fpx); } formalpar_map.clear(); return chk_actual_parlist(p_paps->get_tis(), p_aplist); } bool FormalParList::chk_actual_parlist(TemplateInstances *p_tis, ActualParList *p_aplist) { size_t formal_pars = pars_v.size(); size_t actual_pars = p_tis->get_nof_tis(); // p_aplist->get_nof_pars() is usually 0 on entry bool error_flag = false; if (min_nof_pars == formal_pars) { // none of the parameters have default value if (actual_pars != formal_pars) { p_tis->error("Too %s parameters: %lu was expected " "instead of %lu", actual_pars < formal_pars ? "few" : "many", static_cast( formal_pars), static_cast( actual_pars)); error_flag = true; } } else { // some parameters have default value if (actual_pars < min_nof_pars) { p_tis->error("Too few parameters: at least %lu " "was expected instead of %lu", static_cast( min_nof_pars), static_cast( actual_pars)); error_flag = true; } else if (actual_pars > formal_pars) { p_tis->error("Too many parameters: at most %lu " "was expected instead of %lu", static_cast( formal_pars), static_cast( actual_pars)); error_flag = true; } } // Do not check actual parameters in excess of the formal ones size_t upper_limit = actual_pars < formal_pars ? actual_pars : formal_pars; for (size_t i = 0; i < upper_limit; i++) { TemplateInstance *ti = p_tis->get_ti_byIndex(i); // the formal parameter for the current actual parameter FormalPar *fp = pars_v[i]; Error_Context cntxt(ti, "In parameter #%lu for `%s'", static_cast (i + 1), fp->get_id().get_dispname().c_str()); if (!ti->get_Type() && !ti->get_DerivedRef() && ti->get_Template() ->get_templatetype() == Template::TEMPLATE_NOTUSED) { if (fp->has_defval_checked()) { ActualPar *defval = fp->get_defval(); p_aplist->add(new ActualPar(defval)); if (defval->is_erroneous()) error_flag = true; } else { ti->error("Not used symbol (`-') cannot be used for parameter " "that does not have default value"); p_aplist->add(new ActualPar()); error_flag = true; } } else if (!ti->get_Type() && !ti->get_DerivedRef() && ti->get_Template() ->get_templatetype() == Template::TEMPLATE_ERROR) { ti->error("Parameter not specified"); } else { ActualPar *ap = fp->chk_actual_par(ti, Type::EXPECTED_DYNAMIC_VALUE); p_aplist->add(ap); if (ap->is_erroneous()) error_flag = true; } } // The rest of formal parameters have no corresponding actual parameters. // Create actual parameters for them based on their default values // (which must exist). for (size_t i = upper_limit; i < formal_pars; i++) { FormalPar *fp = pars_v[i]; if (fp->has_defval_checked()) { ActualPar *defval = fp->get_defval(); p_aplist->add(new ActualPar(defval)); if (defval->is_erroneous()) error_flag = true; } else { p_aplist->add(new ActualPar()); // erroneous error_flag = true; } } return error_flag; } bool FormalParList::chk_activate_argument(ActualParList *p_aplist, const char* p_description) { bool ret_val = true; for(size_t i = 0; i < p_aplist->get_nof_pars(); i++) { ActualPar *t_ap = p_aplist->get_par(i); FormalPar *t_fp = pars_v[i]; if (t_fp->get_eval_type() != NORMAL_EVAL) { t_ap->get_location()->error("Activating a default altstep with @lazy or " "@fuzzy parameters is not supported"); } if(t_ap->get_selection() != ActualPar::AP_REF) continue; switch(t_fp->get_asstype()) { case Common::Assignment::A_PAR_VAL_OUT: case Common::Assignment::A_PAR_VAL_INOUT: case Common::Assignment::A_PAR_TEMPL_OUT: case Common::Assignment::A_PAR_TEMPL_INOUT: case Common::Assignment::A_PAR_TIMER: //the checking shall be performed for these parameter types break; case Common::Assignment::A_PAR_PORT: // port parameters are always correct because ports can be defined // only in component types continue; default: FATAL_ERROR("FormalParList::chk_activate_argument()"); } Reference *t_ref = t_ap->get_Ref(); Common::Assignment *t_par_ass = t_ref->get_refd_assignment(); if(!t_par_ass) FATAL_ERROR("FormalParList::chk_activate_argument()"); switch (t_par_ass->get_asstype()) { case Common::Assignment::A_VAR: case Common::Assignment::A_EXCEPTION: // TODO: can exceptions be of 'default' type? case Common::Assignment::A_VAR_TEMPLATE: case Common::Assignment::A_TIMER: // it is not allowed to pass references of local variables or timers if (t_par_ass->is_local()) { t_ref->error("Parameter #%lu of %s refers to %s, which is a local " "definition within a statement block and may have shorter " "lifespan than the activated default. Only references to " "variables and timers defined in the component type can be passed " "to activated defaults", static_cast (i + 1), p_description, t_par_ass->get_description().c_str()); ret_val = false; } break; case Common::Assignment::A_PAR_VAL_IN: case Common::Assignment::A_PAR_VAL_OUT: case Common::Assignment::A_PAR_VAL_INOUT: case Common::Assignment::A_PAR_TEMPL_IN: case Common::Assignment::A_PAR_TEMPL_OUT: case Common::Assignment::A_PAR_TEMPL_INOUT: case Common::Assignment::A_PAR_TIMER: { // it is not allowed to pass references pointing to formal parameters // except for activate() statements within testcases // note: all defaults are deactivated at the end of the testcase FormalPar *t_refd_fp = dynamic_cast(t_par_ass); if (!t_refd_fp) FATAL_ERROR("FormalParList::chk_activate_argument()"); FormalParList *t_fpl = t_refd_fp->get_my_parlist(); if (!t_fpl || !t_fpl->my_def) FATAL_ERROR("FormalParList::chk_activate_argument()"); if (t_fpl->my_def->get_asstype() != Common::Assignment::A_TESTCASE) { t_ref->error("Parameter #%lu of %s refers to %s, which may have " "shorter lifespan than the activated default. Only references to " "variables and timers defined in the component type can be passed " "to activated defaults", static_cast (i + 1), p_description, t_par_ass->get_description().c_str()); ret_val = false; } } default: break; } } return ret_val; } char *FormalParList::generate_code(char *str, size_t display_unused /* = 0 */) { for (size_t i = 0; i < pars_v.size(); i++) { if (i > 0) str = mputstr(str, ", "); str = pars_v[i]->generate_code_fpar(str, i < display_unused); } return str; } char* FormalParList::generate_code_defval(char* str) { for (size_t i = 0; i < pars_v.size(); i++) { str = pars_v[i]->generate_code_defval(str); } return str; } void FormalParList::generate_code_defval(output_struct *target) { for (size_t i = 0; i < pars_v.size(); i++) { pars_v[i]->generate_code_defval(target); } } char *FormalParList::generate_code_actual_parlist(char *str, const char *p_prefix) { for (size_t i = 0; i < pars_v.size(); i++) { if (i > 0) str = mputstr(str, ", "); str = mputstr(str, p_prefix); str = mputstr(str, pars_v[i]->get_id().get_name().c_str()); } return str; } char *FormalParList::generate_code_object(char *str, const char *p_prefix, char refch, bool gen_init) { for (size_t i = 0; i < pars_v.size(); i++) str = pars_v[i]->generate_code_object(str, p_prefix, refch, gen_init); return str; } char *FormalParList::generate_shadow_objects(char *str) const { for (size_t i = 0; i < pars_v.size(); i++) str = pars_v[i]->generate_shadow_object(str); return str; } char *FormalParList::generate_code_set_unbound(char *str) const { if (enable_set_bound_out_param) return str; for (size_t i = 0; i < pars_v.size(); i++) str = pars_v[i]->generate_code_set_unbound(str); return str; } void FormalParList::dump(unsigned level) const { size_t nof_pars = pars_v.size(); DEBUG(level, "formal parameters: %lu pcs.", static_cast( nof_pars)); for(size_t i = 0; i < nof_pars; i++) pars_v[i]->dump(level + 1); } // ================================= // ===== ActualPar // ================================= ActualPar::ActualPar(Value *v) : Node(), selection(AP_VALUE), my_scope(0), gen_restriction_check(TR_NONE), gen_post_restriction_check(TR_NONE) { if (!v) FATAL_ERROR("ActualPar::ActualPar()"); val = v; } ActualPar::ActualPar(TemplateInstance *t) : Node(), selection(AP_TEMPLATE), my_scope(0), gen_restriction_check(TR_NONE), gen_post_restriction_check(TR_NONE) { if (!t) FATAL_ERROR("ActualPar::ActualPar()"); temp = t; } ActualPar::ActualPar(Reference *r) : Node(), selection(AP_REF), my_scope(0), gen_restriction_check(TR_NONE), gen_post_restriction_check(TR_NONE) { if (!r) FATAL_ERROR("ActualPar::ActualPar()"); ref = r; } ActualPar::ActualPar(ActualPar *a) : Node(), selection(AP_DEFAULT), my_scope(0), gen_restriction_check(TR_NONE), gen_post_restriction_check(TR_NONE) { if (!a) FATAL_ERROR("ActualPar::ActualPar()"); act = a; } ActualPar::ActualPar(const ActualPar& p) : Node(), selection(p.selection), my_scope(p.my_scope), gen_restriction_check(p.gen_restriction_check), gen_post_restriction_check(p.gen_post_restriction_check) { switch(selection) { case AP_ERROR: break; case AP_VALUE: val = p.val->clone(); break; case AP_TEMPLATE: temp = p.temp->clone(); break; case AP_REF: ref = p.ref->clone(); break; case AP_DEFAULT: act = p.act; break; default: FATAL_ERROR("ActualPar::ActualPar()"); } } ActualPar::~ActualPar() { switch(selection) { case AP_ERROR: break; case AP_VALUE: delete val; break; case AP_TEMPLATE: delete temp; break; case AP_REF: delete ref; break; case AP_DEFAULT: break; // nothing to do with act default: FATAL_ERROR("ActualPar::~ActualPar()"); } } ActualPar *ActualPar::clone() const { return new ActualPar(*this); } void ActualPar::set_fullname(const string& p_fullname) { Node::set_fullname(p_fullname); switch(selection) { case AP_ERROR: break; case AP_VALUE: val->set_fullname(p_fullname); break; case AP_TEMPLATE: temp->set_fullname(p_fullname); break; case AP_REF: ref->set_fullname(p_fullname); break; case AP_DEFAULT: break; default: FATAL_ERROR("ActualPar::set_fullname()"); } } void ActualPar::set_my_scope(Scope *p_scope) { my_scope = p_scope; switch(selection) { case AP_ERROR: break; case AP_VALUE: val->set_my_scope(p_scope); break; case AP_TEMPLATE: temp->set_my_scope(p_scope); break; case AP_REF: ref->set_my_scope(p_scope); break; case AP_DEFAULT: switch (act->selection) { case AP_REF: ref->set_my_scope(p_scope); break; case AP_VALUE: break; case AP_TEMPLATE: break; default: FATAL_ERROR("ActualPar::set_my_scope()"); } break; default: FATAL_ERROR("ActualPar::set_my_scope()"); } } Value *ActualPar::get_Value() const { if (selection != AP_VALUE) FATAL_ERROR("ActualPar::get_Value()"); return val; } TemplateInstance *ActualPar::get_TemplateInstance() const { if (selection != AP_TEMPLATE) FATAL_ERROR("ActualPar::get_TemplateInstance()"); return temp; } Reference *ActualPar::get_Ref() const { if (selection != AP_REF) FATAL_ERROR("ActualPar::get_Ref()"); return ref; } ActualPar *ActualPar::get_ActualPar() const { if (selection != AP_DEFAULT) FATAL_ERROR("ActualPar::get_ActualPar()"); return act; } void ActualPar::chk_recursions(ReferenceChain& refch) { switch (selection) { case AP_VALUE: refch.mark_state(); val->chk_recursions(refch); refch.prev_state(); break; case AP_TEMPLATE: { Reference *derived_ref = temp->get_DerivedRef(); if (derived_ref) { ActualParList *parlist = derived_ref->get_parlist(); if (parlist) { refch.mark_state(); parlist->chk_recursions(refch); refch.prev_state(); } } Ttcn::Def_Template* defTemp = temp->get_Referenced_Base_Template(); if (defTemp) { refch.mark_state(); refch.add(defTemp->get_fullname()); refch.prev_state(); } refch.mark_state(); temp->get_Template()->chk_recursions(refch); refch.prev_state(); } default: break; } } bool ActualPar::has_single_expr(FormalPar* formal_par) { switch (selection) { case AP_VALUE: return val->has_single_expr(); case AP_TEMPLATE: if (gen_restriction_check!=TR_NONE || gen_post_restriction_check!=TR_NONE) return false; return temp->has_single_expr(); case AP_REF: if (gen_restriction_check!=TR_NONE || gen_post_restriction_check!=TR_NONE) return false; if (use_runtime_2 && ref->get_subrefs() != NULL) { FieldOrArrayRefs* subrefs = ref->get_subrefs(); for (size_t i = 0; i < subrefs->get_nof_refs(); ++i) { if (FieldOrArrayRef::ARRAY_REF == subrefs->get_ref(i)->get_type()) { return false; } } } // check whether type conversion is needed if (use_runtime_2 && formal_par != NULL && formal_par->get_asstype() != Common::Assignment::A_PAR_TIMER && formal_par->get_asstype() != Common::Assignment::A_PAR_PORT) { bool is_template_par = false; if (formal_par->get_asstype() == Common::Assignment::A_PAR_TEMPL_INOUT || formal_par->get_asstype() == Common::Assignment::A_PAR_TEMPL_OUT) { is_template_par = true; } Common::Assignment* ass = ref->get_refd_assignment(); Type* actual_par_type = ass->get_Type()->get_field_type(ref->get_subrefs(), is_template_par ? Type::EXPECTED_TEMPLATE : Type::EXPECTED_DYNAMIC_VALUE)-> get_type_refd_last(); Type* formal_par_type = formal_par->get_Type()->get_type_refd_last(); if (my_scope->get_scope_mod()->needs_type_conv( actual_par_type, formal_par_type)) { return false; } } return ref->has_single_expr(); case AP_DEFAULT: return !use_runtime_2 || act->selection != AP_TEMPLATE; default: FATAL_ERROR("ActualPar::has_single_expr()"); return false; } } void ActualPar::set_code_section( GovernedSimple::code_section_t p_code_section) { switch (selection) { case AP_VALUE: val->set_code_section(p_code_section); break; case AP_TEMPLATE: temp->set_code_section(p_code_section); break; case AP_REF: ref->set_code_section(p_code_section); default: break; } } void ActualPar::generate_code(expression_struct *expr, bool copy_needed, FormalPar* formal_par) const { param_eval_t param_eval = formal_par != NULL ? formal_par->get_eval_type() : NORMAL_EVAL; bool used_as_lvalue = formal_par != NULL ? formal_par->get_used_as_lvalue() : false; switch (selection) { case AP_VALUE: if (param_eval != NORMAL_EVAL) { // copy_needed doesn't matter in this case LazyFuzzyParamData::init(used_as_lvalue); LazyFuzzyParamData::generate_code(expr, val, my_scope, param_eval == LAZY_EVAL); LazyFuzzyParamData::clean(); if (val->get_valuetype() == Value::V_REFD) { // check if the reference is a parameter, mark it as used if it is Reference* r = dynamic_cast(val->get_reference()); if (r != NULL) { r->ref_usage_found(); } } } else { char* expr_expr = NULL; if (use_runtime_2 && TypeConv::needs_conv_refd(val)) { // Generate everything to preamble to be able to tackle the wrapper // constructor call. TODO: Reduce the number of temporaries created. const string& tmp_id = val->get_temporary_id(); const char *tmp_id_str = tmp_id.c_str(); expr->preamble = mputprintf(expr->preamble, "%s %s;\n", val->get_my_governor()->get_genname_value(my_scope).c_str(), tmp_id_str); expr->preamble = TypeConv::gen_conv_code_refd(expr->preamble, tmp_id_str, val); expr_expr = mputstr(expr_expr, tmp_id_str); } else { expression_struct val_expr; Code::init_expr(&val_expr); val->generate_code_expr(&val_expr); if (val_expr.preamble != NULL) { expr->preamble = mputstr(expr->preamble, val_expr.preamble); } if (val_expr.postamble == NULL) { expr_expr = mputstr(expr_expr, val_expr.expr); } else { // make sure the postambles of the parameters are executed before the // function call itself (needed if the value contains function calls // with lazy or fuzzy parameters) const string& tmp_id = val->get_temporary_id(); expr->preamble = mputprintf(expr->preamble, "%s %s(%s);\n", val->get_my_governor()->get_genname_value(my_scope).c_str(), tmp_id.c_str(), val_expr.expr); expr->preamble = mputstr(expr->preamble, val_expr.postamble); expr_expr = mputstr(expr_expr, tmp_id.c_str()); copy_needed = false; // already copied } Code::free_expr(&val_expr); } if (copy_needed) expr->expr = mputprintf(expr->expr, "%s(", val->get_my_governor()->get_genname_value(my_scope).c_str()); expr->expr = mputstr(expr->expr, expr_expr); Free(expr_expr); if (copy_needed) expr->expr = mputc(expr->expr, ')'); } break; case AP_TEMPLATE: if (param_eval != NORMAL_EVAL) { // copy_needed doesn't matter in this case LazyFuzzyParamData::init(used_as_lvalue); LazyFuzzyParamData::generate_code(expr, temp, gen_restriction_check, my_scope, param_eval == LAZY_EVAL); LazyFuzzyParamData::clean(); if (temp->get_DerivedRef() != NULL || temp->get_Template()->get_templatetype() == Template::TEMPLATE_REFD) { // check if the reference is a parameter, mark it as used if it is Reference* r = dynamic_cast(temp->get_DerivedRef() != NULL ? temp->get_DerivedRef() : temp->get_Template()->get_reference()); if (r != NULL) { r->ref_usage_found(); } } } else { char* expr_expr = NULL; if (use_runtime_2 && TypeConv::needs_conv_refd(temp->get_Template())) { const string& tmp_id = temp->get_Template()->get_temporary_id(); const char *tmp_id_str = tmp_id.c_str(); expr->preamble = mputprintf(expr->preamble, "%s %s;\n", temp->get_Template()->get_my_governor() ->get_genname_template(my_scope).c_str(), tmp_id_str); expr->preamble = TypeConv::gen_conv_code_refd(expr->preamble, tmp_id_str, temp->get_Template()); // Not incorporated into gen_conv_code() yet. if (gen_restriction_check != TR_NONE) expr->preamble = Template::generate_restriction_check_code( expr->preamble, tmp_id_str, gen_restriction_check); expr_expr = mputstr(expr_expr, tmp_id_str); } else { expression_struct temp_expr; Code::init_expr(&temp_expr); temp->generate_code(&temp_expr, gen_restriction_check); if (temp_expr.preamble != NULL) { expr->preamble = mputstr(expr->preamble, temp_expr.preamble); } if (temp_expr.postamble == NULL) { expr_expr = mputstr(expr_expr, temp_expr.expr); } else { // make sure the postambles of the parameters are executed before the // function call itself (needed if the template contains function calls // with lazy or fuzzy parameters) const string& tmp_id = val->get_temporary_id(); expr->preamble = mputprintf(expr->preamble, "%s %s(%s);\n", temp->get_Template()->get_my_governor()->get_genname_template(my_scope).c_str(), tmp_id.c_str(), temp_expr.expr); expr->preamble = mputstr(expr->preamble, temp_expr.postamble); expr_expr = mputstr(expr_expr, tmp_id.c_str()); copy_needed = false; // already copied } Code::free_expr(&temp_expr); } if (copy_needed) expr->expr = mputprintf(expr->expr, "%s(", temp->get_Template() ->get_my_governor()->get_genname_template(my_scope).c_str()); expr->expr = mputstr(expr->expr, expr_expr); Free(expr_expr); if (copy_needed) expr->expr = mputc(expr->expr, ')'); } break; case AP_REF: { if (param_eval != NORMAL_EVAL) FATAL_ERROR("ActualPar::generate_code()"); // syntax error should have already happened if (copy_needed) FATAL_ERROR("ActualPar::generate_code()"); bool is_restricted_template = gen_restriction_check != TR_NONE || gen_post_restriction_check != TR_NONE; bool is_template_par = false; Type* actual_par_type = NULL; Type* formal_par_type = NULL; bool needs_conversion = false; if (formal_par != NULL && formal_par->get_asstype() != Common::Assignment::A_PAR_TIMER && formal_par->get_asstype() != Common::Assignment::A_PAR_PORT) { if (formal_par->get_asstype() == Common::Assignment::A_PAR_TEMPL_INOUT || formal_par->get_asstype() == Common::Assignment::A_PAR_TEMPL_OUT) { is_template_par = true; } Common::Assignment *ass = ref->get_refd_assignment(); actual_par_type = ass->get_Type()->get_field_type(ref->get_subrefs(), is_template_par ? Type::EXPECTED_TEMPLATE : Type::EXPECTED_DYNAMIC_VALUE)-> get_type_refd_last(); formal_par_type = formal_par->get_Type()->get_type_refd_last(); needs_conversion = use_runtime_2 && my_scope->get_scope_mod()-> needs_type_conv(actual_par_type, formal_par_type); } if (is_restricted_template || needs_conversion) { // generate runtime check for restricted templates and/or generate // type conversion to the formal parameter's type and back const string& tmp_id= my_scope->get_scope_mod_gen()->get_temporary_id(); const char *tmp_id_str = tmp_id.c_str(); expression_struct ref_expr; Code::init_expr(&ref_expr); ref->generate_code(&ref_expr); ref_expr.preamble = mputprintf(ref_expr.preamble, "%s& %s = %s;\n", is_template_par ? actual_par_type->get_genname_template(my_scope).c_str() : actual_par_type->get_genname_value(my_scope).c_str(), tmp_id_str, ref_expr.expr); if (gen_restriction_check != TR_NONE) { ref_expr.preamble = Template::generate_restriction_check_code( ref_expr.preamble, tmp_id_str, gen_restriction_check); } if (needs_conversion) { // create another temporary, this time of the formal parameter's type, // containing the converted parameter const string& tmp_id2 = my_scope->get_scope_mod_gen()->get_temporary_id(); const char *tmp_id2_str = tmp_id2.c_str(); ref_expr.preamble = mputprintf(ref_expr.preamble, "%s %s;\n" "if (%s.is_bound() && !%s(%s, %s)) TTCN_error(\"Values or templates " "of types `%s' and `%s' are not compatible at run-time\");\n", is_template_par ? formal_par_type->get_genname_template(my_scope).c_str() : formal_par_type->get_genname_value(my_scope).c_str(), tmp_id2_str, tmp_id_str, TypeConv::get_conv_func(actual_par_type, formal_par_type, my_scope->get_scope_mod()).c_str(), tmp_id2_str, tmp_id_str, actual_par_type->get_typename().c_str(), formal_par_type->get_typename().c_str()); // pass the new temporary to the function instead of the original reference expr->expr = mputprintf(expr->expr, "%s", tmp_id2_str); // convert the temporary's new value back to the actual parameter's type ref_expr.postamble = mputprintf(ref_expr.postamble, "if (%s.is_bound() && !%s(%s, %s)) TTCN_error(\"Values or templates " "of types `%s' and `%s' are not compatible at run-time\");\n", tmp_id2_str, TypeConv::get_conv_func(formal_par_type, actual_par_type, my_scope->get_scope_mod()).c_str(), tmp_id_str, tmp_id2_str, formal_par_type->get_typename().c_str(), actual_par_type->get_typename().c_str()); } else { // is_restricted_template expr->expr = mputprintf(expr->expr, "%s", tmp_id_str); } if (gen_post_restriction_check != TR_NONE) { ref_expr.postamble = Template::generate_restriction_check_code( ref_expr.postamble, tmp_id_str, gen_post_restriction_check); } // copy content of ref_expr to expr expr->preamble = mputstr(expr->preamble, ref_expr.preamble); expr->postamble = mputstr(expr->postamble, ref_expr.postamble); Code::free_expr(&ref_expr); } else { ref->generate_code(expr); } break; } case AP_DEFAULT: if (copy_needed) FATAL_ERROR("ActualPar::generate_code()"); switch (act->selection) { case AP_REF: if (param_eval != NORMAL_EVAL) { LazyFuzzyParamData::generate_code_ap_default_ref(expr, act->ref, my_scope, param_eval == LAZY_EVAL); } else { act->ref->generate_code(expr); } break; case AP_VALUE: if (param_eval != NORMAL_EVAL) { LazyFuzzyParamData::generate_code_ap_default_value(expr, act->val, my_scope, param_eval == LAZY_EVAL); } else { expr->expr = mputstr(expr->expr, act->val->get_genname_own(my_scope).c_str()); } break; case AP_TEMPLATE: if (param_eval != NORMAL_EVAL) { LazyFuzzyParamData::generate_code_ap_default_ti(expr, act->temp, my_scope, param_eval == LAZY_EVAL); } else if (use_runtime_2) { // use the actual parameter's scope, not the formal parameter's act->temp->set_my_scope(my_scope); Template* temp_ = act->temp->get_Template(); if (temp_->get_templatetype() == Template::TEMPLATE_REFD || (temp_->get_templatetype() == Template::SPECIFIC_VALUE && temp_->get_specific_value()->get_valuetype() == Common::Value::V_REFD)) { Common::Assignment* ass = temp_->get_templatetype() == Template::TEMPLATE_REFD ? temp_->get_reference()->get_refd_assignment() : temp_->get_specific_value()->get_reference()->get_refd_assignment(); if (ass->get_asstype() != Common::Assignment::A_FUNCTION_RVAL && ass->get_asstype() != Common::Assignment::A_FUNCTION_RTEMP && ass->get_asstype() != Common::Assignment::A_EXT_FUNCTION_RVAL && ass->get_asstype() != Common::Assignment::A_EXT_FUNCTION_RTEMP && (ass->get_asstype() != Common::Assignment::A_TEMPLATE || ass->get_FormalParList() == NULL)) { // reference to a deterministic value or template, generate normally act->temp->generate_code(expr, act->get_gen_restriction_check()); break; } } // the template might contain non-deterministic function calls, // re-generate the template's initializer code every time the // parameter's default value is used // (for now single expressions are not handled separately, since this // may change the order of function calls in the default templates) string tmp_id = my_scope->get_scope_mod_gen()->get_temporary_id(); expr->preamble = mputprintf(expr->preamble, "%s %s;\n", formal_par->get_Type()->get_genname_template(my_scope).c_str(), tmp_id.c_str()); expr->preamble = FormalPar::generate_code_defval_template(expr->preamble, act->temp, tmp_id, act->get_gen_restriction_check()); expr->expr = mputstr(expr->expr, tmp_id.c_str()); } else { expr->expr = mputstr(expr->expr, act->temp->get_Template()->get_genname_own(my_scope).c_str()); } break; default: FATAL_ERROR("ActualPar::generate_code()"); } break; default: FATAL_ERROR("ActualPar::generate_code()"); } } char *ActualPar::rearrange_init_code(char *str, Common::Module* usage_mod) { switch (selection) { case AP_VALUE: str = val->rearrange_init_code(str, usage_mod); break; case AP_TEMPLATE: str = temp->rearrange_init_code(str, usage_mod); case AP_REF: break; case AP_DEFAULT: str = act->rearrange_init_code_defval(str, usage_mod); break; default: FATAL_ERROR("ActualPar::rearrange_init_code()"); } return str; } char *ActualPar::rearrange_init_code_defval(char *str, Common::Module* usage_mod) { switch (selection) { case AP_VALUE: if (val->get_my_scope()->get_scope_mod_gen() == usage_mod) { str = val->generate_code_init(str, val->get_lhs_name().c_str()); } break; case AP_TEMPLATE: { if (use_runtime_2) { break; } str = temp->rearrange_init_code(str, usage_mod); Template *t = temp->get_Template(); if (t->get_my_scope()->get_scope_mod_gen() == usage_mod) { Reference *dref = temp->get_DerivedRef(); if (dref) { expression_struct expr; Code::init_expr(&expr); expr.expr = mputprintf(expr.expr, "%s = ", t->get_lhs_name().c_str()); dref->generate_code(&expr); str = Code::merge_free_expr(str, &expr); } str = t->generate_code_init(str, t->get_lhs_name().c_str()); } break; } default: FATAL_ERROR("ActualPar::rearrange_init_code_defval()"); } return str; } void ActualPar::append_stringRepr(string& str) const { switch (selection) { case AP_VALUE: str += val->get_stringRepr(); break; case AP_TEMPLATE: temp->append_stringRepr(str); break; case AP_REF: str += ref->get_dispname(); break; case AP_DEFAULT: str += '-'; break; default: str += ""; } } void ActualPar::dump(unsigned level) const { switch (selection) { case AP_VALUE: DEBUG(level, "actual parameter: value"); val->dump(level + 1); break; case AP_TEMPLATE: DEBUG(level, "actual parameter: template"); temp->dump(level + 1); break; case AP_REF: DEBUG(level, "actual parameter: reference"); ref->dump(level + 1); break; case AP_DEFAULT: DEBUG(level, "actual parameter: default"); break; default: DEBUG(level, "actual parameter: erroneous"); } } Location* ActualPar::get_location() const { switch (selection) { case AP_VALUE: return val; case AP_TEMPLATE: return temp; case AP_REF: return ref; case AP_DEFAULT: return act->get_location(); default: FATAL_ERROR("ActualPar::get_location()"); } } // ================================= // ===== ActualParList // ================================= ActualParList::ActualParList(const ActualParList& p) : Node(p) { size_t nof_pars = p.params.size(); for (size_t i = 0; i < nof_pars; i++) params.add(p.params[i]->clone()); } ActualParList::~ActualParList() { size_t nof_pars = params.size(); for (size_t i = 0; i < nof_pars; i++) delete params[i]; params.clear(); } ActualParList *ActualParList::clone() const { return new ActualParList(*this); } void ActualParList::set_fullname(const string& p_fullname) { Node::set_fullname(p_fullname); size_t nof_pars = params.size(); for(size_t i = 0; i < nof_pars; i++) params[i]->set_fullname(p_fullname + "."); } void ActualParList::set_my_scope(Scope *p_scope) { size_t nof_pars = params.size(); for (size_t i = 0; i < nof_pars; i++) params[i]->set_my_scope(p_scope); } void ActualParList::chk_recursions(ReferenceChain& refch) { size_t nof_pars = params.size(); for (size_t i = 0; i < nof_pars; i++) params[i]->chk_recursions(refch); } void ActualParList::chk_immutability() { size_t num = this->get_nof_pars(); for (size_t i = 0; i < num; ++i) { const Ttcn::ActualPar *ap = this->get_par(i); deeper: switch (ap->get_selection()) { case ActualPar::AP_ERROR: break; case ActualPar::AP_VALUE: ///< "in" value parameter ap->get_Value()->chk_expr_immutability(); break; case ActualPar::AP_TEMPLATE: ///< "in" template parameter ap->get_TemplateInstance()->chk_immutability(); break; case ActualPar::AP_REF: ///< out/inout value or template parameter ap->get_Ref()->chk_immutability(); break; case ActualPar::AP_DEFAULT: { ///< created from the default value of a formal parameter // TODO: test! ap = ap->get_ActualPar(); goto deeper; break; } // no default } // switch actual par selection } // next } void ActualParList::generate_code_noalias(expression_struct *expr, FormalParList *p_fpl) { size_t nof_pars = params.size(); for (size_t i = 0; i < nof_pars; i++) { if (i > 0) expr->expr = mputstr(expr->expr, ", "); params[i]->generate_code(expr, false, p_fpl != NULL ? p_fpl->get_fp_byIndex(i) : NULL); } } void ActualParList::generate_code_alias(expression_struct *expr, FormalParList *p_fpl, Type *p_comptype, bool p_compself) { size_t nof_pars = params.size(); // collect all value and template definitions that are passed by reference map value_refs, template_refs; for (size_t i = 0; i < nof_pars; i++) { ActualPar *par = params[i]; if (par->get_selection() == ActualPar::AP_DEFAULT) par = par->get_ActualPar(); if (par->get_selection() == ActualPar::AP_REF) { Common::Assignment *ass = par->get_Ref()->get_refd_assignment(); switch (ass->get_asstype()) { case Common::Assignment::A_VAR: case Common::Assignment::A_EXCEPTION: case Common::Assignment::A_PAR_VAL_IN: case Common::Assignment::A_PAR_VAL_OUT: case Common::Assignment::A_PAR_VAL_INOUT: if (!value_refs.has_key(ass)) value_refs.add(ass, 0); break; case Common::Assignment::A_VAR_TEMPLATE: case Common::Assignment::A_PAR_TEMPL_IN: case Common::Assignment::A_PAR_TEMPL_OUT: case Common::Assignment::A_PAR_TEMPL_INOUT: if (!template_refs.has_key(ass)) template_refs.add(ass, 0); default: break; } } } // walk through the parameter list and generate the code // add an extra copy constructor call to the referenced value and template // parameters if the referred definition is also passed by reference to // another parameter bool all_in_params_shadowed = use_runtime_2 && p_fpl != NULL && p_fpl->get_my_def()->get_asstype() == Common::Assignment::A_ALTSTEP; for (size_t i = 0; i < nof_pars; i++) { if (i > 0) expr->expr = mputstr(expr->expr, ", "); ActualPar *par = params[i]; bool copy_needed = false; // the copy constructor call is not needed if the parameter is copied // into a shadow object in the body of the called function bool shadowed = false; if (p_fpl != NULL) { switch (p_fpl->get_fp_byIndex(i)->get_asstype()) { case Common::Assignment::A_PAR_VAL: case Common::Assignment::A_PAR_VAL_IN: case Common::Assignment::A_PAR_TEMPL_IN: // all 'in' parameters are shadowed in altsteps in RT2, otherwise an // 'in' parameter is shadowed if it is used as lvalue shadowed = all_in_params_shadowed ? true : p_fpl->get_fp_byIndex(i)->get_used_as_lvalue(); break; default: break; } } if (!shadowed) { switch (par->get_selection()) { case ActualPar::AP_VALUE: { Value *v = par->get_Value(); if (v->get_valuetype() == Value::V_REFD) { Common::Assignment *t_ass = v->get_reference()->get_refd_assignment(); if (value_refs.has_key(t_ass)) { // a reference to the same variable is also passed to the called // definition copy_needed = true; } else if (p_comptype || p_compself) { // the called definition has a 'runs on' clause so it can access // component variables switch (t_ass->get_asstype()) { case Common::Assignment::A_PAR_VAL_OUT: case Common::Assignment::A_PAR_VAL_INOUT: // the parameter may be an alias of a component variable copy_needed = true; break; case Common::Assignment::A_VAR: // copy is needed if t_ass is a component variable that is // visible by the called definition if (!t_ass->is_local()) copy_needed = true; /** \todo component type compatibility: check whether t_ass is * visible from p_comptype (otherwise copy is not needed) */ default: break; } } } break; } case ActualPar::AP_TEMPLATE: { TemplateInstance *ti = par->get_TemplateInstance(); if (!ti->get_DerivedRef()) { Template *t = ti->get_Template(); if (t->get_templatetype() == Template::TEMPLATE_REFD) { Common::Assignment *t_ass = t->get_reference()->get_refd_assignment(); if (template_refs.has_key(t_ass)) { // a reference to the same variable is also passed to the called // definition copy_needed = true; } else if (p_comptype || p_compself) { // the called definition has a 'runs on' clause so it can access // component variables switch (t_ass->get_asstype()) { case Common::Assignment::A_PAR_TEMPL_OUT: case Common::Assignment::A_PAR_TEMPL_INOUT: // the parameter may be an alias of a component variable copy_needed = true; break; case Common::Assignment::A_VAR_TEMPLATE: // copy is needed if t_ass is a component variable that is // visible by the called definition if (!t_ass->is_local()) copy_needed = true; /** \todo component type compatibility: check whether t_ass is * visible from p_comptype (otherwise copy is not needed) */ default: break; } } } } } default: break; } } if (use_runtime_2 && ActualPar::AP_REF == par->get_selection()) { // if the parameter references an element of a record of/set of, then // the record of object needs to know, so it doesn't delete the referenced // element Reference* ref = par->get_Ref(); FieldOrArrayRefs* subrefs = ref->get_subrefs(); if (subrefs != NULL) { Common::Assignment* ass = ref->get_refd_assignment(); size_t ref_i; for (ref_i = 0; ref_i < subrefs->get_nof_refs(); ++ref_i) { FieldOrArrayRef* subref = subrefs->get_ref(ref_i); if (FieldOrArrayRef::ARRAY_REF == subref->get_type()) { // set the referenced index in each array in the subrefs expression_struct array_expr; Code::init_expr(&array_expr); // the array object's name contains the reference, followed by // the subrefs before the current array ref array_expr.expr = mcopystr(LazyFuzzyParamData::in_lazy_or_fuzzy() ? LazyFuzzyParamData::add_ref_genname(ass, ref->get_my_scope()).c_str() : ass->get_genname_from_scope(ref->get_my_scope()).c_str()); if (ref_i > 0) { subrefs->generate_code(&array_expr, ass, ref->get_my_scope(), false, ref_i); } expression_struct index_expr; Code::init_expr(&index_expr); subrefs->get_ref(ref_i)->get_val()->generate_code_expr(&index_expr); // insert any preambles the array object or the index might have if (array_expr.preamble != NULL) { expr->preamble = mputstr(expr->preamble, array_expr.preamble); expr->postamble = mputstr(expr->postamble, array_expr.preamble); } if (index_expr.preamble != NULL) { expr->preamble = mputstr(expr->preamble, index_expr.preamble); expr->postamble = mputstr(expr->postamble, index_expr.preamble); } // let the array object know that the index is referenced before // calling the function, and let it know that it's now longer // referenced after the function call (this is done with the help // of the RefdIndexHandler's constructor and destructor) string tmp_id = ref->get_my_scope()->get_scope_mod_gen()->get_temporary_id(); expr->preamble = mputprintf(expr->preamble, "RefdIndexHandler %s(&%s, %s);\n", tmp_id.c_str(), array_expr.expr, index_expr.expr); // insert any postambles the array object or the index might have if (array_expr.postamble != NULL) { expr->preamble = mputstr(expr->preamble, array_expr.postamble); expr->postamble = mputstr(expr->postamble, array_expr.postamble); } if (index_expr.postamble != NULL) { expr->preamble = mputstr(expr->preamble, index_expr.postamble); expr->postamble = mputstr(expr->postamble, index_expr.postamble); } Code::free_expr(&array_expr); Code::free_expr(&index_expr); } // if (FieldOrArrayRef::ARRAY_REF == subref->get_type()) } // for cycle } // if (subrefs != NULL) } // if (ActualPar::AP_REF == par->get_selection()) par->generate_code(expr, copy_needed, p_fpl != NULL ? p_fpl->get_fp_byIndex(i) : NULL); } value_refs.clear(); template_refs.clear(); } char *ActualParList::rearrange_init_code(char *str, Common::Module* usage_mod) { for (size_t i = 0; i < params.size(); i++) str = params[i]->rearrange_init_code(str, usage_mod); return str; } void ActualParList::dump(unsigned level) const { DEBUG(level, "actual parameter list: %lu parameters", static_cast( params.size())); for (size_t i = 0; i < params.size(); i++) params[i]->dump(level + 1); } }