Type_codegen.cc 148 KB
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/******************************************************************************
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 * Copyright (c) 2000-2018 Ericsson Telecom AB
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 * All rights reserved. This program and the accompanying materials
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 * are made available under the terms of the Eclipse Public License v2.0
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 * which accompanies this distribution, and is available at
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 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html
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 *
 * Contributors:
 *   Baji, Laszlo
 *   Balasko, Jeno
 *   Baranyi, Botond
 *   Delic, Adam
 *   Raduly, Csaba
 *   Szabados, Kristof
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 *   Szabo, Bence Janos
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 *   Pandi, Krisztian
 *
 ******************************************************************************/
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#include "../common/dbgnew.hh"
#include "Type.hh"
#include "CompField.hh"
#include "EnumItem.hh"
#include "SigParam.hh"
#include "main.hh"

#include "enum.h"
#include "record.h"
#include "union.h"
#include "record_of.h"
#include "functionref.h"
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#include "XSD_Types.hh"
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#include "ttcn3/Ttcnstuff.hh"
#include "ttcn3/ArrayDimensions.hh"
#include "ttcn3/Attributes.hh"
#include "ttcn3/signature.h"
#include "XerAttributes.hh"
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#include "ttcn3/RawAST.hh"
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#include "ttcn3/JsonAST.hh"
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#include "asn1/TableConstraint.hh"
#include "asn1/Object.hh"
#include "asn1/Tag.hh"
#include "asn1/Ref.hh"

#include "CodeGenHelper.hh"

#include "../common/JSON_Tokenizer.hh"

namespace Common {

using Asn::Tags;
using Ttcn::SingleWithAttrib;

void Type::generate_code(output_struct *target)
{
  if (code_generated) return;
  generate_code_embedded_before(target);
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  CodeGenHelper::update_intervals(target);  // TODO: class and template separate everywhere?
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  // escape from recursion loops
  if (code_generated) return;
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  code_generated = TRUE;
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  generate_code_typedescriptor(target);
  string sourcefile = get_sourcefile_attribute();
  if (!sourcefile.empty()) {
    generate_code_include(sourcefile, target);
  } else {
    switch(typetype) {
    case T_ENUM_A:
    case T_ENUM_T:
      generate_code_Enum(target);
      break;
    case T_CHOICE_A:
    case T_CHOICE_T:
    case T_OPENTYPE:
    case T_ANYTYPE:
      generate_code_Choice(target);
      break;
    case T_SEQ_A:
    case T_SEQ_T:
    case T_SET_A:
    case T_SET_T:
      generate_code_Se(target);
      break;
    case T_SEQOF:
    case T_SETOF:
      generate_code_SeOf(target);
      break;
    case T_PORT:
      u.port->generate_code(target);
      break;
    case T_ARRAY:
      generate_code_Array(target);
      break;
    case T_SIGNATURE:
      generate_code_Signature(target);
      break;
    case T_FUNCTION:
    case T_ALTSTEP:
    case T_TESTCASE:
      generate_code_Fat(target);
      break;
    default:
      generate_code_alias(target);
      break;
    } // switch
  }
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  CodeGenHelper::update_intervals(target);
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  generate_code_embedded_after(target);
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  CodeGenHelper::update_intervals(target);
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  if (!is_asn1()) {
    if (has_done_attribute()) generate_code_done(target);
    if (sub_type) sub_type->generate_code(*target);
  }
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  CodeGenHelper::update_intervals(target);
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  if (!legacy_codec_handling) {
    generate_code_coding_handlers(target);
  }
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}

void Type::generate_code_include(const string& sourcefile, output_struct *target)
{
  const char* name = get_genname_own().c_str();
  const char* dispname = get_fullname().c_str();
  target->header.class_decls = mputprintf(target->header.class_decls,
    "class %s;\n"
    "class %s_template;\n",
    name, name);

  target->header.class_defs = mputprintf(target->header.class_defs,
    "// Implementation of type %s\n"
    "#include \"%s.hh\"\n",
    dispname, sourcefile.c_str());
}

void Type::generate_code_embedded_before(output_struct *target)
{
  switch (typetype) {
  case T_SEQ_A:
  case T_SEQ_T:
  case T_SET_A:
  case T_SET_T: {
    size_t nof_comps = get_nof_comps();
    for (size_t i = 0; i < nof_comps; i++) {
      CompField *cf = get_comp_byIndex(i);
      if (!cf->get_is_optional()) {
        // generate code for mandatory record/set fields only
        cf->get_type()->generate_code(
          CodeGenHelper::GetInstance().get_outputstruct(
            cf->get_type()->get_type_refd_last()
          )
        );
        CodeGenHelper::GetInstance().finalize_generation(
          cf->get_type()->get_type_refd_last()
        );
        // escape from recursion loops
        if (code_generated) break;
      }
    }
    break; }
  case T_REFD:
  case T_SELTYPE:
  case T_REFDSPEC:
  case T_OCFT: {
    Type *type_refd = get_type_refd();
    // generate code for the referenced type only if it is defined
    // in the same module
    if (my_scope->get_scope_mod_gen() ==
      type_refd->my_scope->get_scope_mod_gen())
      type_refd->generate_code(target);
    break; }
  case T_SIGNATURE:
    // the parameter types and the return type shall be generated
    if (u.signature.parameters) {
      size_t nof_params = u.signature.parameters->get_nof_params();
      for (size_t i = 0; i < nof_params; i++) {
        u.signature.parameters->get_param_byIndex(i)->get_type()
          ->generate_code(target);
      }
    }
    if (u.signature.return_type)
      u.signature.return_type->generate_code(target);
    break;
  case T_ARRAY:
    u.array.element_type->generate_code(target);
    break;
  default:
    break;
  }
}

void Type::generate_code_embedded_after(output_struct *target)
{
  switch (typetype) {
  case T_SEQ_A:
  case T_SEQ_T:
  case T_SET_A:
  case T_SET_T: {
    size_t nof_comps = get_nof_comps();
    for (size_t i = 0; i < nof_comps; i++) {
      CompField *cf = get_comp_byIndex(i);
      if (cf->get_is_optional()) {
        // generate code for optional record/set fields only
        // mandatory fields are already completed
        Type *t = cf->get_type();
        if (!t->is_pure_refd()) t->generate_code(target);
      }
    }
    break; }
  case T_ANYTYPE:
  case T_CHOICE_A:
  case T_CHOICE_T: {
    size_t nof_comps = get_nof_comps();
    for (size_t i = 0; i < nof_comps; i++) {
      // generate code for all union fields
      Type *t = get_comp_byIndex(i)->get_type();
      if (!t->is_pure_refd()) t->generate_code(target);
    }
    break; }
  case T_OPENTYPE:
    if (u.secho.my_tableconstraint) {
      // generate code for all embedded settings of the object set
      // that is used in the table constraint
      Asn::ObjectSet *os = u.secho.my_tableconstraint->get_os();
      if (os->get_my_scope()->get_scope_mod_gen() ==
          my_scope->get_scope_mod_gen()) os->generate_code(target);
    }
    break;
  case T_SEQOF:
  case T_SETOF:
    // generate code for the embedded type
    if (!u.seof.ofType->is_pure_refd()) u.seof.ofType->generate_code(target);
    break;
  case T_FUNCTION:
  case T_ALTSTEP:
  case T_TESTCASE: {
    size_t nof_params = u.fatref.fp_list->get_nof_fps();
    for(size_t i = 0; i < nof_params; i++) {
      u.fatref.fp_list->get_fp_byIndex(i)->get_Type()
        ->generate_code(target);
    }
    break; }
  default:
    break;
  }
}

void Type::generate_code_typedescriptor(output_struct *target)
{
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  bool force_xer = FALSE;
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  switch (get_type_refd_last()->typetype) {
  case T_PORT:
  case T_SIGNATURE:
    // do not generate any type descriptor for these non-data types
    return;
  case T_ARRAY:
    // no force xer
    break;

  default:
    switch (ownertype) {
    case OT_TYPE_ASS:
    case OT_TYPE_DEF:
    case OT_COMP_FIELD:
    case OT_RECORD_OF:
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    case OT_REF_SPEC:
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      force_xer = has_encoding(CT_XER); // && (is_ref() || (xerattrib && !xerattrib->empty()));
      break;
    default:
      break;
    } // switch(ownertype)
    break;
  } // switch

  const string& gennameown = get_genname_own();
  const char *gennameown_str = gennameown.c_str();
  const string& gennametypedescriptor = get_genname_typedescriptor(my_scope);
//printf("generate_code_typedescriptor(%s)\n", gennameown_str);

  // FIXME: force_xer should be elminated. if a type needs a descriptor,
  // it should say so via get_genname_typedescriptor()

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  /* genname{type,ber,raw,text,xer,json,oer}descriptor == gennameown is true if
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   * the type needs its own {type,ber,raw,text,xer,json}descriptor
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   * and can't use the descriptor of one of the built-in types.
   */
  if (gennametypedescriptor == gennameown
    || force_xer) {
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    Type* last = get_type_refd_last();
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    // the type has its own type descriptor
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    bool generate_ber = enable_ber() && (legacy_codec_handling ?
      has_encoding(CT_BER) : last->get_gen_coder_functions(CT_BER));
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    const string& gennameberdescriptor = get_genname_berdescriptor();
    if (generate_ber && gennameberdescriptor == gennameown)
      generate_code_berdescriptor(target);

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    bool generate_raw = enable_raw() && (legacy_codec_handling ?
      has_encoding(CT_RAW) : last->get_gen_coder_functions(CT_RAW));
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    const string& gennamerawdescriptor = get_genname_rawdescriptor();
    if (generate_raw && gennamerawdescriptor == gennameown)
      generate_code_rawdescriptor(target);

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    bool generate_text = enable_text() && (legacy_codec_handling ?
      has_encoding(CT_TEXT) : last->get_gen_coder_functions(CT_TEXT));
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    const string& gennametextdescriptor = get_genname_textdescriptor();
    if (generate_text && gennametextdescriptor == gennameown)
      generate_code_textdescriptor(target);

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    bool generate_xer = enable_xer() && (legacy_codec_handling ?
      has_encoding(CT_XER) : last->get_gen_coder_functions(CT_XER));
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    const string& gennamexerdescriptor = get_genname_xerdescriptor();
    if (generate_xer && gennamexerdescriptor == gennameown)
      generate_code_xerdescriptor(target);
    else target->source.global_vars=mputprintf(target->source.global_vars,
      "// No XER for %s\n", gennamexerdescriptor.c_str());
    
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    bool generate_json = enable_json() && (legacy_codec_handling ?
      has_encoding(CT_JSON) : last->get_gen_coder_functions(CT_JSON));
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    const string& gennamejsondescriptor = get_genname_jsondescriptor();
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    if (generate_json && gennamejsondescriptor == gennameown) {
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      generate_code_jsondescriptor(target);
    }
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    bool generate_oer = enable_oer() && (legacy_codec_handling ?
      has_encoding(CT_OER) : last->get_gen_coder_functions(CT_OER));
    const string& gennameoerdescriptor = get_genname_oerdescriptor();
    if (generate_oer && gennameoerdescriptor == gennameown) {
      generate_code_oerdescriptor(target);
    }
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    // the type descriptor must be always exported.
    // embedded (possibly unnamed) types can be referenced from other modules
    // using field/array sub-references
    target->header.global_vars = mputprintf(target->header.global_vars,
      "extern const TTCN_Typedescriptor_t %s_descr_;\n", gennameown_str);
    target->source.global_vars = mputprintf(target->source.global_vars,
      "const TTCN_Typedescriptor_t %s_descr_ = { \"%s\", ", gennameown_str,
      get_fullname().c_str());

    if(generate_ber)
      target->source.global_vars=mputprintf
        (target->source.global_vars,
         "&%s_ber_, ", gennameberdescriptor.c_str());
    else
      target->source.global_vars=mputstr
        (target->source.global_vars, "NULL, ");

    if (generate_raw)
      target->source.global_vars=mputprintf
        (target->source.global_vars,
         "&%s_raw_, ", gennamerawdescriptor.c_str());
    else
      target->source.global_vars=mputstr
        (target->source.global_vars, "NULL, ");

    if (generate_text)
      target->source.global_vars=mputprintf
        (target->source.global_vars,
         "&%s_text_, ", gennametextdescriptor.c_str());
    else
      target->source.global_vars=mputstr
        (target->source.global_vars, "NULL, ");

    if (generate_xer)
      target->source.global_vars = mputprintf(target->source.global_vars,
        "&%s_xer_, ", gennamexerdescriptor.c_str());
    else
      target->source.global_vars = mputprintf(target->source.global_vars,
        "NULL, ");
    
    if (generate_json) {
      target->source.global_vars = mputprintf(target->source.global_vars,
        "&%s_json_, ", gennamejsondescriptor.c_str());
    } else {
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      switch(last->typetype) {
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      case T_BOOL:
      case T_INT:
      case T_INT_A:
      case T_REAL:
      case T_BSTR:
      case T_BSTR_A:
      case T_HSTR:
      case T_OSTR:
      case T_CSTR:
      case T_USTR:
      case T_UTF8STRING:
      case T_NUMERICSTRING:
      case T_PRINTABLESTRING:
      case T_TELETEXSTRING:
      case T_VIDEOTEXSTRING:
      case T_IA5STRING:
      case T_GRAPHICSTRING:
      case T_VISIBLESTRING:
      case T_GENERALSTRING:  
      case T_UNIVERSALSTRING:
      case T_BMPSTRING:
      case T_VERDICT:
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      case T_NULL:
      case T_OID:
      case T_ROID:
      case T_ANY:
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        // use predefined JSON descriptors instead of null pointers for basic types
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        if (legacy_codec_handling) {
          target->source.global_vars = mputprintf(target->source.global_vars,
            "&%s_json_, ", last->get_genname_typename(my_scope).c_str());
          break;
        }
        // else fall through (to the default branch)
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      case T_ENUM_T:
      case T_ENUM_A:
        // use a predefined JSON descriptor for enumerated types
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        if (legacy_codec_handling) {
          target->source.global_vars = mputstr(target->source.global_vars,
            "&ENUMERATED_json_, ");
          break;
        }
        // else fall through
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      default:
        target->source.global_vars = mputstr(target->source.global_vars,
          "NULL, ");
      }
    }
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    if (generate_oer)
      target->source.global_vars = mputprintf(target->source.global_vars,
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        "&%s_oer_, ", gennameoerdescriptor.c_str());
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    else
      target->source.global_vars = mputprintf(target->source.global_vars,
        "NULL, ");
    
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    if (T_SEQOF == last->typetype || T_SETOF == last->typetype) {
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      target->source.global_vars=mputprintf(target->source.global_vars,
        "&%s_descr_, ", get_type_refd_last()->u.seof.ofType->get_genname_typedescriptor(my_scope).c_str());
    }
    else {
      target->source.global_vars = mputstr(target->source.global_vars,
        "NULL, ");
    }
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    target->source.global_vars=mputprintf(target->source.global_vars,
      "TTCN_Typedescriptor_t::%s };\n"
#ifndef NDEBUG
      "\n"
#endif
      , get_genname_typedescr_asnbasetype());
  } else {
    // the type uses the type descriptor of another type
    if (needs_alias()) {
      // we need to generate an aliased type descriptor only if the type is
      // directly accessible by the user
      target->header.global_vars = mputprintf(target->header.global_vars,
        "extern const TTCN_Typedescriptor_t& %s_descr_;\n", gennameown_str);
      target->source.global_vars = mputprintf(target->source.global_vars,
        "const TTCN_Typedescriptor_t& %s_descr_ = %s_descr_;\n",
        gennameown_str, gennametypedescriptor.c_str());
    }
#ifndef NDEBUG
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    else {
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      target->source.global_vars = mputprintf( target->source.global_vars,
        "// %s_descr_ not needed, use %s_descr_\n",
        gennameown_str, gennametypedescriptor.c_str());
    } // if(needs_alias())
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#endif
    
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  } // if (gennameown == gennametypedescriptor)
}

void Type::generate_code_berdescriptor(output_struct *target)
{
  const char *gennameown_str = get_genname_own().c_str();
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  char *str = mprintf("%sconst ASN_Tag_t %s_tag_[] = { ",
    split_to_slices ? "" : "static ", gennameown_str);
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  Tags *joinedtags = build_tags_joined();
  size_t tagarraysize = joinedtags->get_nof_tags();
  for (size_t i = 0; i < tagarraysize; i++) {
    if (i > 0) str = mputstr(str, ", ");
    Tag *t_tag = joinedtags->get_tag_byIndex(i);
    str = mputprintf(str, "{ %s, %su }", t_tag->get_tagclass_str(),
      Int2string(t_tag->get_tagvalue()).c_str());
  }
  delete joinedtags;
  str = mputstr(str, "};\n");
  target->source.global_vars = mputstr(target->source.global_vars, str);
  Free(str);
  target->header.global_vars = mputprintf(target->header.global_vars,
    "extern const ASN_BERdescriptor_t %s_ber_;\n", gennameown_str);
  target->source.global_vars = mputprintf(target->source.global_vars,
    "const ASN_BERdescriptor_t %s_ber_ = { %luu, %s_tag_ };\n",
    gennameown_str, (unsigned long)tagarraysize, gennameown_str);
}

static const char* whitespace_action[3] = {"PRESERVE", "REPLACE", "COLLAPSE"};

extern void change_name(string &name, XerAttributes::NameChange change);
// implemented in Type_chk.cc

void Type::generate_code_xerdescriptor(output_struct* target)
{
  const char *gennameown_str = get_genname_own().c_str();
  target->header.global_vars = mputprintf(target->header.global_vars,
    "extern const XERdescriptor_t %s_xer_;\n", gennameown_str);
  string last_s;

  Type *ot = this;
  for(;;) {
    string full_s  = ot->get_fullname();
    size_t dot_pos = full_s.rfind('.');
    if (full_s.size() == dot_pos) dot_pos = 0;
    last_s = full_s.substr(dot_pos+1); // FIXME: may be better to use replace(pos, n, s)

    if ('&'==last_s[0]    // object class field ?
      ||'<'==last_s[0]) { // <oftype> and the like
      if (ot->is_ref()) {
        ot = ot->get_type_refd();
        /* Fetch the referenced type and use that. Do not use
         * get_type_refd_last() here. In case of a record-of user-defined type:
         * <ttcn>type integer MyInt; type record of MyInt MyRecof;</ttcn>
         * we want "MyInt" and not "integer" */
        continue;
      }
      else { // probably a built-in type, punt with the C++ class name
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        last_s = ot->get_genname_value(ot->get_my_scope());
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        break;
      }
    }
    break;
  }

  // Name for basic XER which ignores all the EXER fanciness
  string bxer_name(last_s);

  long ns_index = -1;
//fprintf(stderr, "%2d   gno='%s'\tfn='%s'\n", typetype, gennameown_str, last_s.c_str());
  int atrib=0, any_atr=0, any_elem=0, base64=0, decimal=0, embed=0, list=0,
  text=0, untagged=0, use_nil=0, use_number=0, use_order=0, use_qname=0,
  use_type_attr=0, ws=0, has_1untag=0, form_qualified=0, any_from=0, 
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  any_except=0, nof_ns_uris=0, blocked=0, fractionDigits=-1;
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  const char* xsd_type = "XSD_NONE";
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  const char* dfe_str = 0;
  char** ns_uris = 0;
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  char* oftype_descr_name = 0;
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  if (xerattrib) {
    change_name(last_s, xerattrib->name_);

    if (xerattrib->namespace_.uri && xerattrib->namespace_.prefix) {
      ns_index = my_scope->get_scope_mod()->get_ns_index(
        xerattrib->namespace_.prefix);
      // This is known to have succeeded
    }

    any_atr = has_aa(xerattrib);
    any_elem= has_ae(xerattrib);
    atrib   = xerattrib->attribute_;
    base64  = xerattrib->base64_;
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    blocked = xerattrib->abstract_ || xerattrib->block_;
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    decimal = xerattrib->decimal_;
    embed   = xerattrib->embedValues_;
    form_qualified = (xerattrib->form_ & XerAttributes::QUALIFIED)
      || (xerattrib->element_); // a global element is always qualified
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    fractionDigits = xerattrib->has_fractionDigits_ ? xerattrib->fractionDigits_ : -1;
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    list    = xerattrib->list_;
    untagged= xerattrib->untagged_;
    ws      = xerattrib->whitespace_;
    // only set TEXT if it has no TextToBeUsed (plain "text" for a bool)
    text      = xerattrib->num_text_ && xerattrib->text_->prefix == 0;
    use_nil   = xerattrib->useNil_;
    use_number= xerattrib->useNumber_;
    use_order = xerattrib->useOrder_;
    use_qname = xerattrib->useQName_;
    // In ASN.1, the use of a type identification attribute is optional
    // (encoder's choice) for USE-UNION. However, TTCN-3 removes this choice:
    // it is mandatory to use it when possible (valid choice for ASN.1 too).
    use_type_attr = xerattrib->useType_ || xerattrib->useUnion_;
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    xsd_type = XSD_type_to_string(xerattrib->xsd_type);
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    if (xerattrib->defaultValue_) {
      Type *t = xerattrib->defaultValue_->get_my_governor();
      dfe_str = xerattrib->defaultValue_->get_genname_own().c_str();
      const_def cdef;
      Code::init_cdef(&cdef);
      t->generate_code_object(&cdef, xerattrib->defaultValue_);
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      // Generate the initialization of the dfe values in the post init function
      // because the module params are not initialized in the pre init function
      target->functions.post_init = xerattrib->defaultValue_->generate_code_init
        (target->functions.post_init, xerattrib->defaultValue_->get_lhs_name().c_str());
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      Code::merge_cdef(target, &cdef);
      Code::free_cdef(&cdef);
    }
    
    if (any_elem) {
      // data needed for "anyElement from ..." and "anyElement except ..." encoding instructions
      any_from = xerattrib->anyElement_.type_ == NamespaceRestriction::FROM;
      any_except = xerattrib->anyElement_.type_ == NamespaceRestriction::EXCEPT;
      nof_ns_uris = xerattrib->anyElement_.nElements_;
      ns_uris = xerattrib->anyElement_.uris_;
    }
    else if (any_atr) {
      // data needed for "anyAttributes from ..." and "anyAttributes except ..." encoding instructions
      any_from = xerattrib->anyAttributes_.type_ == NamespaceRestriction::FROM;
      any_except = xerattrib->anyAttributes_.type_ == NamespaceRestriction::EXCEPT;
      nof_ns_uris = xerattrib->anyAttributes_.nElements_;
      ns_uris = xerattrib->anyAttributes_.uris_;
    }
  }
  else if (ownertype == OT_COMP_FIELD
    && parent_type && parent_type->xerattrib) {
    //no xerattrib, this must be an element; apply element default
    form_qualified = (parent_type->xerattrib->form_
      & XerAttributes::ELEMENT_DEFAULT_QUALIFIED);
  }

  Type *last = get_type_refd_last();
  has_1untag= last->is_secho() && last->u.secho.has_single_charenc; // does not come from xerattrib

  /* If this is a string type whose grandparent is a record
   * (containing a record-of (this)string) which has EMBED-VALUES,
   * then reuse this string's any_element field in the XER descriptor
   * to signal this (ANY-ELEMENT causes the tag to be omitted,
   * which is what we want in EMBED-VALUES) */
  if (parent_type && parent_type->parent_type) switch (last->typetype) {
  case T_UTF8STRING:
  case T_USTR: // the TTCN equivalent of UTF8String
    if (  T_SEQOF == parent_type->typetype
      && (T_SEQ_T == parent_type->parent_type->typetype
        ||T_SEQ_A == parent_type->parent_type->typetype)
      && parent_type->parent_type->xerattrib) {
      embed |= (parent_type->parent_type->xerattrib->embedValues_);
    }
    break;
  default:
    break;
  }
  size_t last_len = 2 + last_s.size();    // 2 for > \n
  size_t bxer_len = 2 + bxer_name.size(); // 2 for > \n
  
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  if ((T_SEQOF == last->typetype || T_SETOF == last->typetype)) {
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    oftype_descr_name = mprintf("&%s_xer_", last->u.seof.ofType->get_genname_typedescriptor(my_scope).c_str());
  }
  
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  // Generate a separate variable for the namespace URIs, if there are any
  char* ns_uris_var = 0;
  if (ns_uris && nof_ns_uris) {
    ns_uris_var = mputprintf(ns_uris_var, "%s_ns_uris_", gennameown_str);
    target->source.global_vars = mputprintf(target->source.global_vars,
      "const char* %s[] = {", ns_uris_var);
    for (int idx = 0; idx < nof_ns_uris; ++idx) {
      // The unqualified namespace is sometimes stored as an empty string and
      // sometimes as a null pointer -> unify it, always store it as an empty string
      target->source.global_vars = mputprintf(target->source.global_vars,
        "%s\"%s\"", (idx != 0) ? ", " : "", ns_uris[idx] ? ns_uris[idx] : "");
    }
    target->source.global_vars = mputstrn(target->source.global_vars, "};\n", 3);
  }
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  // Generate the XER descriptor itself
  target->source.global_vars = mputprintf(target->source.global_vars,
    "const XERdescriptor_t       %s_xer_ = { {\"%s>\\n\", \"%s>\\n\"},"
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    " {%lu, %lu}, %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s, WHITESPACE_%s, %c%s, "
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    "&%s, %ld, %u, %s, %s, %i, %s };\n",
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    gennameown_str,
    bxer_name.c_str(), last_s.c_str(), // names
    (unsigned long)bxer_len, (unsigned long)last_len, // lengths
    (any_atr  ? "ANY_ATTRIBUTES" : "0"),
    (any_elem ? " |ANY_ELEMENT" : ""),
    (atrib    ? " |XER_ATTRIBUTE" : ""),
    (base64   ? " |BASE_64" : ""),
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    (blocked  ? " |BLOCKED" : ""),
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    (decimal  ? " |XER_DECIMAL" : ""),
    (embed    ? " |EMBED_VALUES" : ""),
    (list     ? " |XER_LIST" : ""),
    (text     ? " |XER_TEXT" : ""),
    (untagged   ? " |UNTAGGED" : ""),
    (use_nil    ? " |USE_NIL" : ""),
    (use_number ? " |USE_NUMBER" : ""),
    (use_order  ? " |USE_ORDER" : ""),
    (use_qname  ? " |USE_QNAME" : ""),
    (use_type_attr   ? " |USE_TYPE_ATTR" : ""),
    (has_1untag ? " |HAS_1UNTAGGED" : ""),
    (form_qualified ? "" : " |FORM_UNQUALIFIED"),
    (any_from   ? " |ANY_FROM" : ""),
    (any_except ? " |ANY_EXCEPT" : ""),
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    (is_optional_field() ? " |XER_OPTIONAL" : ""),
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    whitespace_action[ws],
    (dfe_str ? '&' : ' '), (dfe_str ? dfe_str : "NULL"),
    "module_object",
    ns_index,
    nof_ns_uris,
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    (ns_uris_var ? ns_uris_var : "NULL"),
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    (oftype_descr_name ? oftype_descr_name : "NULL"),
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    fractionDigits,
    xsd_type
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    );
  
  Free(ns_uris_var);
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  Free(oftype_descr_name);
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}

void Type::generate_code_rawdescriptor(output_struct *target)
{
  const char *gennameown_str = get_genname_own().c_str();
  target->header.global_vars = mputprintf(target->header.global_vars,
    "extern const TTCN_RAWdescriptor_t %s_raw_;\n", gennameown_str);
  char *str = mprintf("const TTCN_RAWdescriptor_t %s_raw_ = {",
    gennameown_str);
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  bool dummy_raw = rawattrib == NULL;
  if (dummy_raw) {
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    rawattrib = new RawAST(get_type_refd_last()->get_default_raw_fieldlength());
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  }
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  if (rawattrib->intx) {
    str = mputstr(str, "RAW_INTX,");
  }
  else {
    str = mputprintf(str, "%d,", rawattrib->fieldlength);
  }
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  if (rawattrib->comp == XDEFCOMPL) str = mputstr(str, "SG_2COMPL,");
  else if (rawattrib->comp == XDEFSIGNBIT) str = mputstr(str, "SG_SG_BIT,");
  else str = mputstr(str, "SG_NO,");
  if (rawattrib->byteorder == XDEFLAST) str = mputstr(str, "ORDER_MSB,");
  else str = mputstr(str, "ORDER_LSB,");
  if (rawattrib->align == XDEFLEFT) str = mputstr(str, "ORDER_MSB,");
  else str = mputstr(str, "ORDER_LSB,");
  if (rawattrib->bitorderinfield == XDEFMSB)
    str = mputstr(str, "ORDER_MSB,");
  else str = mputstr(str, "ORDER_LSB,");
  if (rawattrib->bitorderinoctet == XDEFMSB)
    str = mputstr(str, "ORDER_MSB,");
  else str = mputstr(str, "ORDER_LSB,");
  if (rawattrib->extension_bit == XDEFYES)
    str = mputstr(str, "EXT_BIT_YES,");
  else if (rawattrib->extension_bit == XDEFREVERSE)
    str = mputstr(str, "EXT_BIT_REVERSE,");
  else str = mputstr(str, "EXT_BIT_NO,");
  if (rawattrib->hexorder == XDEFHIGH) str = mputstr(str, "ORDER_MSB,");
  else str = mputstr(str, "ORDER_LSB,");
  if (rawattrib->fieldorder == XDEFMSB) str = mputstr(str, "ORDER_MSB,");
  else str = mputstr(str, "ORDER_LSB,");
  if (rawattrib->topleveleind) {
    if (rawattrib->toplevel.bitorder==XDEFLSB)
      str = mputstr(str, "TOP_BIT_LEFT,");
    else str = mputstr(str, "TOP_BIT_RIGHT,");
  } else str = mputstr(str, "TOP_BIT_INHERITED,");
  str = mputprintf(str, "%d,", rawattrib->padding);
  str = mputprintf(str, "%d,", rawattrib->prepadding);
  str = mputprintf(str, "%d,", rawattrib->ptroffset);
  str = mputprintf(str, "%d,", rawattrib->unit);
  str = mputprintf(str, "%d,", rawattrib->padding_pattern_length);
  if (rawattrib->padding_pattern_length > 0)
    str = mputprintf(str, "%s,", my_scope->get_scope_mod_gen()
      ->add_padding_pattern(string(rawattrib->padding_pattern)).c_str());
  else str = mputstr(str, "NULL,");
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  str = mputprintf(str, "%d,", rawattrib->length_restrition);
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  str = mputprintf(str, "CharCoding::%s,",
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      rawattrib->stringformat == CharCoding::UTF_8 ? "UTF_8" :
      (rawattrib->stringformat == CharCoding::UTF16 ? "UTF16" : "UNKNOWN"));
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  if (rawattrib->forceomit.nElements > 0) {
    char* force_omit_str = mprintf("const RAW_Field_List* "
      "%s_raw_force_omit_lists[] = {\n  ", gennameown_str);
    for (int i = 0; i < rawattrib->forceomit.nElements; ++i) {
      if (i > 0) {
        force_omit_str = mputstr(force_omit_str, ",\n  ");
      }
      Type* t = get_type_refd_last();
      for (int j = 0; j < rawattrib->forceomit.lists[i]->nElements; ++j) {
        Identifier* name = rawattrib->forceomit.lists[i]->names[j];
        force_omit_str = mputprintf(force_omit_str, "new RAW_Field_List(%d, ",
          static_cast<int>(t->get_comp_index_byName(*name)));
        t = t->get_comp_byName(*name)->get_type()->get_type_refd_last();
      }
      force_omit_str = mputstr(force_omit_str, "NULL");
      for (int j = 0; j < rawattrib->forceomit.lists[i]->nElements; ++j) {
        force_omit_str = mputc(force_omit_str, ')');
      }
    }
    
    force_omit_str = mputprintf(force_omit_str,
      "\n};\n"
      "const RAW_Force_Omit %s_raw_force_omit(%d, %s_raw_force_omit_lists);\n",
      gennameown_str, rawattrib->forceomit.nElements, gennameown_str);
    target->source.global_vars = mputstr(target->source.global_vars, force_omit_str);
    Free(force_omit_str);
    str = mputprintf(str, "&%s_raw_force_omit", gennameown_str);
  }
  else {
    str = mputstr(str, "NULL");
  }
  str = mputstr(str, "};\n");
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  target->source.global_vars = mputstr(target->source.global_vars, str);
  Free(str);
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  if (dummy_raw) {
    delete rawattrib;
    rawattrib = NULL;
  }
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}

void Type::generate_code_textdescriptor(output_struct *target)
{
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  bool dummy_text = textattrib == NULL;
  if (dummy_text) {
    textattrib = new TextAST();
  }
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  const char *gennameown_str = get_genname_own().c_str();
  char *union_member_name=NULL;
  Common::Module *mymod=my_scope->get_scope_mod();
  Type *t = get_type_refd_last();
  switch (t->typetype) {
   case T_BOOL:
    if (textattrib->true_params || textattrib->false_params) {
      target->source.global_vars = mputprintf(target->source.global_vars,
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        "%sconst TTCN_TEXTdescriptor_bool %s_bool_ = {", split_to_slices ? "" : "static ", gennameown_str);
      if (split_to_slices) {
        target->header.global_vars = mputprintf(target->header.global_vars,
          "extern const TTCN_TEXTdescriptor_bool %s_bool_;\n", gennameown_str);
      }
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      if (textattrib->true_params &&
          textattrib->true_params->encode_token) {
        target->source.global_vars = mputprintf(target->source.global_vars,
          "&%s,", mymod->add_charstring_literal(
          string(textattrib->true_params->encode_token)).c_str());
      } else {
        target->source.global_vars=mputstr(target->source.global_vars,
             "NULL,");
      }
      if (textattrib->true_params &&
          textattrib->true_params->decode_token) {
        char *pstr = make_posix_str_code(
            textattrib->true_params->decode_token,
            textattrib->true_params->case_sensitive);
        target->source.global_vars = mputprintf(target->source.global_vars,
          "&%s,", mymod->add_matching_literal(string(pstr)).c_str());
        Free(pstr);
      } else if (textattrib->true_params &&
                 !textattrib->true_params->case_sensitive) {
        target->source.global_vars = mputprintf(target->source.global_vars,
          "&%s,", mymod->add_matching_literal(
          string("N^(true).*$")).c_str());
      } else {
        target->source.global_vars = mputstr(target->source.global_vars,
          "NULL,");
      }
      if (textattrib->false_params &&
          textattrib->false_params->encode_token) {
        target->source.global_vars = mputprintf(target->source.global_vars,
          "&%s,",mymod->add_charstring_literal(
          string(textattrib->false_params->encode_token)).c_str());
      } else {
        target->source.global_vars = mputstr(target->source.global_vars,
          "NULL,");
      }
      if (textattrib->false_params &&
          textattrib->false_params->decode_token) {
        char *pstr = make_posix_str_code(
            textattrib->false_params->decode_token,
            textattrib->false_params->case_sensitive);
        target->source.global_vars=mputprintf(target->source.global_vars,
             "&%s};\n", mymod->add_matching_literal(string(pstr)).c_str());
        Free(pstr);
      } else if (textattrib->false_params &&
                !textattrib->false_params->case_sensitive) {
        target->source.global_vars = mputprintf(target->source.global_vars,
          "&%s};\n", mymod->add_matching_literal(
          string("N^(false).*$")).c_str());
      } else {
        target->source.global_vars = mputstr(target->source.global_vars,
          "NULL};\n");
      }
      union_member_name = mprintf("(TTCN_TEXTdescriptor_param_values*)"
                                "&%s_bool_", gennameown_str);
    }
    break;
   case T_ENUM_T:
    target->source.global_vars = mputprintf(target->source.global_vars,
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      "%sconst TTCN_TEXTdescriptor_enum %s_enum_[] = { ",
        split_to_slices ? "" : "static ", gennameown_str);
    if (split_to_slices) {
      target->header.global_vars = mputprintf(target->header.global_vars,
        "extern const TTCN_TEXTdescriptor_enum %s_enum_[];\n", gennameown_str);
    }
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    for (size_t i = 0; i < t->u.enums.eis->get_nof_eis(); i++) {
      if (i > 0) target->source.global_vars =
        mputstr(target->source.global_vars, ", ");
      target->source.global_vars =
        mputstr(target->source.global_vars, "{ ");
      if (textattrib->field_params && textattrib->field_params[i] &&
          textattrib->field_params[i]->value.encode_token) {
        // the encode token is present
        target->source.global_vars = mputprintf(target->source.global_vars,
          "&%s, ", mymod->add_charstring_literal(
          string(textattrib->field_params[i]->value.encode_token)).c_str());
      } else {
        // the encode token is not present: generate a NULL pointer and the
        // RTE will substitute the enumerated value
        target->source.global_vars = mputstr(target->source.global_vars,
          "NULL, ");
      }
      // a pattern must be always present for decoding
      const char *decode_token;
      bool case_sensitive;
      if (textattrib->field_params && textattrib->field_params[i]) {
        if (textattrib->field_params[i]->value.decode_token) {
          // the decode token is present
          decode_token = textattrib->field_params[i]->value.decode_token;
        } else {
          // there is an attribute for the enumerated value,
          // but the decode token is omitted
          // use the value as decode token
          decode_token = t->u.enums.eis->get_ei_byIndex(i)->get_name()
            .get_dispname().c_str();
        }
        // take the case sensitivity from the attribute
        case_sensitive = textattrib->field_params[i]->value.case_sensitive;
      } else {
        // there is no attribute for the enumerated value
        // use the value as decode token
        decode_token = t->u.enums.eis->get_ei_byIndex(i)->get_name()
          .get_dispname().c_str();
        // it is always case sensitive
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        case_sensitive = TRUE;
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      }
      char *pstr = make_posix_str_code(decode_token, case_sensitive);
      target->source.global_vars = mputprintf(target->source.global_vars,
        " &%s }", mymod->add_matching_literal(string(pstr)).c_str());
      Free(pstr);
    }
    target->source.global_vars = mputstr(target->source.global_vars,
      " };\n");
    union_member_name = mprintf(
             "(TTCN_TEXTdescriptor_param_values*)%s_enum_", gennameown_str);
    break;
   case T_INT:
   case T_CSTR:
    if(textattrib->coding_params.leading_zero ||
       textattrib->coding_params.min_length!=-1 ||
       textattrib->coding_params.max_length!=-1 ||
       textattrib->coding_params.convert!=0 ||
       textattrib->coding_params.just!=1 ||
       textattrib->decoding_params.leading_zero ||
       textattrib->decoding_params.min_length!=-1 ||
       textattrib->decoding_params.max_length!=-1 ||
       textattrib->decoding_params.convert!=0 ||
       textattrib->decoding_params.just!=1 ){
      target->source.global_vars=mputprintf(target->source.global_vars,
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        "%sconst TTCN_TEXTdescriptor_param_values %s_par_ = {",
        split_to_slices ? "" : "static ", gennameown_str);
      if (split_to_slices) {
        target->header.global_vars=mputprintf(target->header.global_vars,
          "extern const TTCN_TEXTdescriptor_param_values %s_par_;\n", gennameown_str);
      }
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      target->source.global_vars=mputprintf(target->source.global_vars,
           "{%s,%s,%i,%i,%i,%i},{%s,%s,%i,%i,%i,%i}};\n"
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           ,textattrib->coding_params.leading_zero?"TRUE":"FALSE"
           ,textattrib->coding_params.repeatable?"TRUE":"FALSE"
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           ,textattrib->coding_params.min_length
           ,textattrib->coding_params.max_length
           ,textattrib->coding_params.convert
           ,textattrib->coding_params.just
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           ,textattrib->decoding_params.leading_zero?"TRUE":"FALSE"
           ,textattrib->decoding_params.repeatable?"TRUE":"FALSE"
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           ,textattrib->decoding_params.min_length
           ,textattrib->decoding_params.max_length
           ,textattrib->decoding_params.convert
           ,textattrib->decoding_params.just);

      union_member_name=mprintf("&%s_par_", gennameown_str);
    }
    break;
   case T_SEQOF:
   case T_SETOF:
    target->source.global_vars=mputprintf(target->source.global_vars,
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      "%sconst TTCN_TEXTdescriptor_param_values %s_par_ = {",
      split_to_slices ? "" : "static ", gennameown_str);
    if (split_to_slices) {
      target->header.global_vars=mputprintf(target->header.global_vars,
        "extern const TTCN_TEXTdescriptor_param_values %s_par_;\n", gennameown_str);
    }
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    target->source.global_vars=mputprintf(target->source.global_vars,
         "{%s,%s,%i,%i,%i,%i},{%s,%s,%i,%i,%i,%i}};\n"
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         ,textattrib->coding_params.leading_zero?"TRUE":"FALSE"
         ,textattrib->coding_params.repeatable?"TRUE":"FALSE"
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         ,textattrib->coding_params.min_length
         ,textattrib->coding_params.max_length
         ,textattrib->coding_params.convert
         ,textattrib->coding_params.just
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         ,textattrib->decoding_params.leading_zero?"TRUE":"FALSE"
         ,textattrib->decoding_params.repeatable?"TRUE":"FALSE"
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         ,textattrib->decoding_params.min_length
         ,textattrib->decoding_params.max_length
         ,textattrib->decoding_params.convert
         ,textattrib->decoding_params.just);

    union_member_name=mprintf("&%s_par_", gennameown_str);
    break;
   default:
    break;
  }

  target->header.global_vars = mputprintf(target->header.global_vars,
    "extern const TTCN_TEXTdescriptor_t %s_text_;\n", gennameown_str);
  target->source.global_vars = mputprintf(target->source.global_vars,
    "const TTCN_TEXTdescriptor_t %s_text_ = {", gennameown_str);

  if (textattrib->begin_val && textattrib->begin_val->encode_token) {
    target->source.global_vars = mputprintf(target->source.global_vars,
      "&%s,", mymod->add_charstring_literal(
      string(textattrib->begin_val->encode_token)).c_str());
  } else {
    target->source.global_vars = mputstr(target->source.global_vars,
      "NULL,");
  }
  if(textattrib->begin_val && textattrib->begin_val->decode_token){
    char *pstr = make_posix_str_code(
      textattrib->begin_val->decode_token,
      textattrib->begin_val->case_sensitive);
    target->source.global_vars = mputprintf(target->source.global_vars,
      "&%s,", mymod->add_matching_literal(string(pstr)).c_str());
    Free(pstr);
  } else {
    target->source.global_vars = mputstr(target->source.global_vars,
      "NULL,");
  }
  if (textattrib->end_val && textattrib->end_val->encode_token) {
    target->source.global_vars = mputprintf(target->source.global_vars,
      "&%s,",mymod->add_charstring_literal(
      string(textattrib->end_val->encode_token)).c_str());
  } else {
    target->source.global_vars = mputstr(target->source.global_vars,
      "NULL,");
  }
  if (textattrib->end_val && textattrib->end_val->decode_token) {
    char *pstr = make_posix_str_code(
      textattrib->end_val->decode_token,
      textattrib->end_val->case_sensitive);
    target->source.global_vars = mputprintf(target->source.global_vars,
      "&%s,", mymod->add_matching_literal(string(pstr)).c_str());
    Free(pstr);
  } else {
    target->source.global_vars = mputstr(target->source.global_vars,
      "NULL,");
  }

  if (textattrib->separator_val &&
      textattrib->separator_val->encode_token) {
    target->source.global_vars = mputprintf(target->source.global_vars,
      "&%s,", mymod->add_charstring_literal(
      string(textattrib->separator_val->encode_token)).c_str());
  } else {
    target->source.global_vars = mputstr(target->source.global_vars,
      "NULL,");
  }
  if(textattrib->separator_val &&
     textattrib->separator_val->decode_token) {
    char *pstr = make_posix_str_code(
      textattrib->separator_val->decode_token,
      textattrib->separator_val->case_sensitive);
    target->source.global_vars = mputprintf(target->source.global_vars,
      "&%s,", mymod->add_matching_literal(string(pstr)).c_str());
    Free(pstr);
  } else {
    target->source.global_vars=mputstr(target->source.global_vars,
      "NULL,");
  }

  if (textattrib->decode_token) {
    char *pstr = make_posix_str_code(textattrib->decode_token,
      textattrib->case_sensitive);
    target->source.global_vars = mputprintf(target->source.global_vars,
      "&%s,", mymod->add_matching_literal(string(pstr)).c_str());
    Free(pstr);
  } else {
    target->source.global_vars = mputstr(target->source.global_vars,
      "NULL,");
  }

  if (union_member_name) {
    target->source.global_vars = mputprintf(target->source.global_vars,
      "{%s}};\n", union_member_name);
    Free(union_member_name);
  } else {
    target->source.global_vars = mputstr(target->source.global_vars,
      "{NULL}};\n");
  }
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  if (dummy_text) {
    delete textattrib;
    textattrib = NULL;
  }
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}

void Type::generate_code_jsondescriptor(output_struct *target)
{
  target->header.global_vars = mputprintf(target->header.global_vars,
    "extern const TTCN_JSONdescriptor_t %s_json_;\n", get_genname_own().c_str());
  
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  boolean as_map = (jsonattrib != NULL && jsonattrib->as_map) || 
    (ownertype == OT_RECORD_OF && parent_type->jsonattrib != NULL && 
     parent_type->jsonattrib->as_map);
  
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  if (NULL == jsonattrib) {
    target->source.global_vars = mputprintf(target->source.global_vars,
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      "const TTCN_JSONdescriptor_t %s_json_ = { FALSE, NULL, FALSE, NULL, "
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      "FALSE, FALSE, %s, 0, NULL };\n"
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      , get_genname_own().c_str(), as_map ? "TRUE" : "FALSE");
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  } else {
    char* alias = jsonattrib->alias ? mputprintf(NULL, "\"%s\"", jsonattrib->alias) : NULL;
    char* def_val = jsonattrib->default_value ?
      mputprintf(NULL, "\"%s\"", jsonattrib->default_value) : NULL;
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    char* enum_texts_name;
    if (0 != jsonattrib->enum_texts.size()) {
      enum_texts_name = mprintf("%s_json_enum_texts", get_genname_own().c_str());
      target->source.global_vars = mputprintf(target->source.global_vars,
        "const JsonEnumText %s[] = { ", enum_texts_name);
      for (size_t i = 0; i < jsonattrib->enum_texts.size(); ++i) {
        target->source.global_vars = mputprintf(target->source.global_vars,
          "%s{ %d, \"%s\" }", i == 0 ? "" : ", ",
          jsonattrib->enum_texts[i]->index, jsonattrib->enum_texts[i]->to);
      }
      target->source.global_vars = mputstr(target->source.global_vars,
        " };\n");
    }
    else {
      enum_texts_name = mcopystr("NULL");
    }
    
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    target->source.global_vars = mputprintf(target->source.global_vars,
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      "const TTCN_JSONdescriptor_t %s_json_ = { %s, %s, %s, %s, %s, %s, %s, "
      "%d, %s };\n"
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      , get_genname_own().c_str() 
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      , jsonattrib->omit_as_null ? "TRUE" : "FALSE"
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      , alias ? alias : "NULL"
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      , (jsonattrib->as_value || jsonattrib->tag_list != NULL) ? "TRUE" : "FALSE"
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      , def_val ? def_val : "NULL"
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      , jsonattrib->metainfo_unbound ? "TRUE" : "FALSE"
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      , jsonattrib->as_number ? "TRUE" : "FALSE"
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      , as_map ? "TRUE" : "FALSE"
      , static_cast<int>(jsonattrib->enum_texts.size())
      , enum_texts_name);
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    Free(alias);
    Free(def_val);
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    Free(enum_texts_name);
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  }
  
}

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void Type::generate_code_oerdescriptor(output_struct *target)
{
  target->header.global_vars = mputprintf(target->header.global_vars,
    "extern const TTCN_OERdescriptor_t %s_oer_;\n", get_genname_own().c_str());
  
  if (NULL == oerattrib) {
    target->source.global_vars = mputprintf(target->source.global_vars,
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      "const TTCN_OERdescriptor_t %s_oer_ = { -1, FALSE, -1, FALSE, 0, 0, NULL, 0, NULL };\n"
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      , get_genname_own().c_str());
  } else {
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     target->source.global_vars = mputprintf(target->source.global_vars,
      "const int %s_oer_ext_arr_[%lu] = {"
      , get_genname_own().c_str()
      , oerattrib->ext_attr_groups.size());
    for (size_t i = 0; i < oerattrib->ext_attr_groups.size(); i++) {
      target->source.global_vars = mputprintf(target->source.global_vars,
        "%i", *oerattrib->ext_attr_groups[i]);
      if (i != oerattrib->ext_attr_groups.size() - 1) {
        target->source.global_vars = mputstr(target->source.global_vars, ", ");
      }
    }
     target->source.global_vars = mputstr(target->source.global_vars, "};\n");
     target->source.global_vars = mputprintf(target->source.global_vars,
      "const int %s_oer_p_[%lu] = {"
      , get_genname_own().c_str()
      , oerattrib->p.size());
    for (size_t i = 0; i < oerattrib->p.size(); i++) {
      target->source.global_vars = mputprintf(target->source.global_vars,
        "%i", *oerattrib->p[i]);
      if (i != oerattrib->p.size() - 1) {
        target->source.global_vars = mputstr(target->source.global_vars, ", ");
      }
    }
     target->source.global_vars = mputstr(target->source.global_vars, "};\n");
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    target->source.global_vars = mputprintf(target->source.global_vars,
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      "const TTCN_OERdescriptor_t %s_oer_ = { %i, %s, %i, %s, %i, %lu, %s_oer_ext_arr_, %lu, %s_oer_p_"
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      , get_genname_own().c_str() 
      , oerattrib->bytes
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      , oerattrib->signed_ ? "TRUE" : "FALSE"
      , oerattrib->length
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      , oerattrib->extendable ? "TRUE" : "FALSE"
      , oerattrib->nr_of_root_comps
      , oerattrib->ext_attr_groups.size()
      , get_genname_own().c_str()
      , oerattrib->p.size()
      , get_genname_own().c_str());
    
    target->source.global_vars = mputstr(target->source.global_vars, "};\n");
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  }
  
}

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void Type::generate_code_alias(output_struct *target)
{
  if (!needs_alias()) return;

  const string& t_genname = get_genname_value(my_scope);
  const char *refd_name = t_genname.c_str();
  const char *own_name = get_genname_own().c_str();

  Type *t_last = get_type_refd_last();
  switch (t_last->typetype) {
  case T_PORT: // only value class exists
    target->header.typedefs = mputprintf(target->header.typedefs,
      "typedef %s %s;\n", refd_name, own_name);
    break;
  case T_SIGNATURE: // special classes (7 pcs.) exist
    target->header.typedefs = mputprintf(target->header.typedefs,
      "typedef %s_call %s_call;\n"
      "typedef %s_call_redirect %s_call_redirect;\n",
      refd_name, own_name, refd_name, own_name);
    if (!t_last->is_nonblocking_signature()) {
      target->header.typedefs = mputprintf(target->header.typedefs,
        "typedef %s_reply %s_reply;\n"
        "typedef %s_reply_redirect %s_reply_redirect;\n",
        refd_name, own_name, refd_name, own_name);
    }
    if (t_last->get_signature_exceptions()) {
      target->header.typedefs = mputprintf(target->header.typedefs,
        "typedef %s_exception %s_exception;\n"
        "typedef %s_exception_template %s_exception_template;\n",
        refd_name, own_name, refd_name, own_name);
    }
    target->header.typedefs = mputprintf(target->header.typedefs,
      "typedef %s_template %s_template;\n",
      refd_name, own_name);
    break;
  default: // value and template classes exist
    target->header.typedefs = mputprintf(target->header.typedefs,
#ifndef NDEBUG
    "// written by %s in " __FILE__ " at %d\n"
#endif
      "typedef %s %s;\n"
      "typedef %s_template %s_template;\n",
#ifndef NDEBUG
    __FUNCTION__, __LINE__,
#endif
      refd_name, own_name, refd_name, own_name);
    break;
  }
}

void Type::generate_code_Enum(output_struct *target)
{
  stringpool pool;
  enum_def e_def;
  memset(&e_def, 0, sizeof(e_def));
  e_def.name = get_genname_own().c_str();
  e_def.dispname = get_fullname().c_str();
  e_def.isASN1 = is_asn1();
  e_def.nElements = u.enums.eis->get_nof_eis();
  e_def.elements = (enum_field*)
    Malloc(e_def.nElements*sizeof(*e_def.elements));
  e_def.firstUnused = u.enums.first_unused;
  e_def.secondUnused = u.enums.second_unused;
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  e_def.hasText = legacy_codec_handling ? textattrib != NULL :
    get_gen_coder_functions(CT_TEXT);
  e_def.hasRaw = legacy_codec_handling ? rawattrib != NULL :
    get_gen_coder_functions(CT_RAW);
  e_def.hasXer = legacy_codec_handling ? has_encoding(CT_XER) :
    get_gen_coder_functions(CT_XER);
  e_def.hasJson = get_gen_coder_functions(CT_JSON);
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  e_def.hasOer = get_gen_coder_functions(CT_OER);
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  if (xerattrib) {
    e_def.xerUseNumber = xerattrib->useNumber_;
  }
  for (size_t i = 0; i < e_def.nElements; i++) {
    EnumItem *ei = u.enums.eis->get_ei_byIndex(i);
    e_def.elements[i].name = ei->get_name().get_name().c_str();
    e_def.elements[i].dispname = ei->get_name().get_ttcnname().c_str();
    if (ei->get_text().empty()) e_def.elements[i].text = 0;
    else {
      e_def.xerText = TRUE;
      e_def.elements[i].text = ei->get_text().c_str();
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      e_def.elements[i].descaped_text = ei->get_descaped_text().c_str();
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    }
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    e_def.elements[i].value = ei->get_int_val()->get_val();
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  }

  defEnumClass(&e_def, target);
  defEnumTemplate(&e_def, target);

  Free(e_def.elements);
}

void Type::generate_code_Choice(output_struct *target)
{
  stringpool pool;
  struct_def sdef;
  memset(&sdef, 0, sizeof(sdef));
  sdef.name = get_genname_own().c_str();
  sdef.dispname=get_fullname().c_str();
  if (T_ANYTYPE==typetype) {
    if (0 == get_nof_comps()) {
      //return; // don't generate code for empty anytype
      // XXX what to do with empty anytype ?
      // Easy: make sure it doesn't happen by filling it from the AST!
    }
    sdef.kind = ANYTYPE;
  }
  else sdef.kind = UNION;
  sdef.isASN1 = is_asn1();
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  sdef.hasRaw = legacy_codec_handling ? rawattrib != NULL :
    get_gen_coder_functions(CT_RAW);
  sdef.hasText = legacy_codec_handling ? textattrib != NULL :
    get_gen_coder_functions(CT_TEXT);
  sdef.hasXer = legacy_codec_handling ? has_encoding(CT_XER) :
    get_gen_coder_functions(CT_XER);
  sdef.hasJson = get_gen_coder_functions(CT_JSON);
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  sdef.hasOer = get_gen_coder_functions(CT_OER);
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  if (oerattrib) {
    sdef.oerExtendable = oerattrib->extendable;
    sdef.oerNrOrRootcomps = oerattrib->nr_of_root_comps;
  }
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  sdef.has_opentypes = get_has_opentypes();
  sdef.opentype_outermost = get_is_opentype_outermost();
  sdef.ot = generate_code_ot(pool);
  sdef.nElements = get_nof_comps();
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  sdef.isOptional = FALSE;
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  if (parent_type != NULL) {
    switch (parent_type->typetype) {
    case T_SEQ_T:
    case T_SEQ_A:
    case T_SET_T:
    case T_SET_A:
      for (size_t x = 0; x < parent_type->get_nof_comps(); ++x) {
        CompField * cf = parent_type->get_comp_byIndex(x);
        if (cf->get_type() == this && cf->get_is_optional()) {
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          sdef.isOptional = TRUE;
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          break; // from the for loop
        }
      }
      break;
    default:
      break;
    }
  }
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  sdef.elements = (struct_field*)
    Malloc(sdef.nElements*sizeof(*sdef.elements));
  memset(sdef.elements, 0, sdef.nElements*sizeof(*sdef.elements));
  sdef.exerMaybeEmptyIndex = -1;
  if (jsonattrib) {
    sdef.jsonAsValue = jsonattrib->as_value;
  }
  for(size_t i = 0; i < sdef.nElements; i++) {
    CompField *cf = get_comp_byIndex(i);
    const Identifier& id = cf->get_name();
    Type *cftype = cf->get_type();
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    string type_name = cftype->get_genname_value(my_scope);
    if (T_ANYTYPE != typetype &&
        cftype->get_my_scope()->get_scope_mod_gen() == my_scope->get_scope_mod_gen()) {
      for (size_t j = 0; j < sdef.nElements; ++j) {
        if (get_comp_byIndex(j)->get_name().get_name() == type_name) {
          // the field's type name clashes with the name of a field in this union,
          // which would cause a C++ compilation error
          // always prefix the type with the namespace in this case
          type_name = my_scope->get_scope_mod_gen()->get_modid().get_name() +
            string("::") + type_name;
          break;
        }
      }
    }
    sdef.elements[i].type = pool.add(type_name);
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    sdef.elements[i].typedescrname =
      pool.add(cftype->get_genname_typedescriptor(my_scope));
    sdef.elements[i].typegen = pool.add(cftype->get_genname_xerdescriptor());
    sdef.elements[i].name = id.get_name().c_str();
    sdef.elements[i].dispname = id.get_ttcnname().c_str();
    if (xerattrib) {
      if (cftype->has_empty_xml()) sdef.exerMaybeEmptyIndex = i;
      // This will overwrite lower values, which is what we want.
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      if (cftype->xerattrib != NULL) {
        sdef.elements[i].xsd_type = cftype->xerattrib->xsd_type;
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        sdef.elements[i].xerUseUnion = cftype->xerattrib->useUnion_;
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      }
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    }
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    if (sdef.hasJson && enable_json()) {
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      // Determine the JSON value type of each field to make decoding faster
      typetype_t tt = cftype->get_type_refd_last()->typetype;
      switch(tt) {
      case T_INT:
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      case T_INT_A:
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        sdef.elements[i].jsonValueType = JSON_NUMBER;
        break;
      case T_REAL:
        sdef.elements[i].jsonValueType = JSON_NUMBER | JSON_STRING;
        break;
      case T_BOOL:
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        sdef.elements[i].jsonValueType = JSON_BOOLEAN;
        break;
      case T_NULL:
        sdef.elements[i].jsonValueType = JSON_NULL;
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        break;
      case T_BSTR:
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      case T_BSTR_A:
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      case T_HSTR:
      case T_OSTR:
      case T_CSTR:
      case T_USTR:
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      case T_UTF8STRING:
      case T_NUMERICSTRING:
      case T_PRINTABLESTRING:
      case T_TELETEXSTRING:
      case T_VIDEOTEXSTRING:
      case T_IA5STRING:
      case T_GRAPHICSTRING:
      case T_VISIBLESTRING:
      case T_GENERALSTRING:  
      case T_UNIVERSALSTRING:
      case T_BMPSTRING:
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      case T_VERDICT:
      case T_ENUM_T:
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      case T_ENUM_A:
      case T_OID:
      case T_ROID:
      case T_ANY:
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        sdef.elements[i].jsonValueType = JSON_STRING;
        break;
      case T_SEQ_T:
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      case T_SEQ_A:
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      case T_SET_T:
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      case T_SET_A:
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        if (cftype->get_type_refd_last()->get_nof_comps() > 1) {
          sdef.elements[i].jsonValueType = JSON_OBJECT;
          break;
        }
        // else fall through
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      case T_CHOICE_T:
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      case T_CHOICE_A:
      case T_ANYTYPE:
      case T_OPENTYPE:
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        sdef.elements[i].jsonValueType = JSON_ANY_VALUE;
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        break;
      case T_SEQOF:
      case T_SETOF:
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      case T_ARRAY:
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        sdef.elements[i].jsonValueType = JSON_ARRAY | JSON_OBJECT;
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        break;
      default:
        FATAL_ERROR("Type::generate_code_Choice - invalid field type %d", tt);
      }
    }
    if (cftype->jsonattrib) {
      sdef.elements[i].jsonAlias = cftype->jsonattrib->alias;
    }
  }
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  if(sdef.hasRaw) {
    bool dummy_raw = rawattrib == NULL;
    if (dummy_raw) {
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      rawattrib = new RawAST(get_default_raw_fieldlength());
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    }
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    copy_rawAST_to_struct(rawattrib,&(sdef.raw));
    // building taglist
    for(int c=0;c<rawattrib->taglist.nElements;c++){
      if(rawattrib->taglist.tag[c].nElements)
        sdef.raw.taglist.list[c].fields=
           (rawAST_coding_field_list*)
                   Malloc(rawattrib->taglist.tag[c].nElements
                                *sizeof(rawAST_coding_field_list));
      else sdef.raw.taglist.list[c].fields=NULL;
      sdef.raw.taglist.list[c].nElements=
                                rawattrib->taglist.tag[c].nElements;
      sdef.raw.taglist.list[c].fieldName=
                      rawattrib->taglist.tag[c].fieldName->get_name().c_str();
      Identifier *idf=rawattrib->taglist.tag[c].fieldName;
      sdef.raw.taglist.list[c].fieldnum=get_comp_index_byName(*idf);
      for(int a=0;a<rawattrib->taglist.tag[c].nElements;a++){
        rawAST_coding_field_list* key=
               sdef.raw.taglist.list[c].fields+a;
        key->nElements=
               rawattrib->taglist.tag[c].keyList[a].keyField->nElements+1;
        key->value=rawattrib->taglist.tag[c].keyList[a].value;
        key->start_pos=0;
        key->fields=(rawAST_coding_fields*)
               Malloc(key->nElements*sizeof(rawAST_coding_fields));
        CompField *cf=get_comp_byIndex(sdef.raw.taglist.list[c].fieldnum);
        Type *t=cf->get_type()->get_type_refd_last();

        key->fields[0].nthfield = sdef.raw.taglist.list[c].fieldnum;
        key->fields[0].nthfieldname =
          rawattrib->taglist.tag[c].fieldName->get_name().c_str();
        key->fields[0].fieldtype = UNION_FIELD;
        key->fields[0].type = pool.add(t->get_genname_value(my_scope));
        key->fields[0].typedescr =
          pool.add(t->get_genname_typedescriptor(my_scope));

        for (int b = 1; b < key->nElements; b++) {
          Identifier *idf2 =
            rawattrib->taglist.tag[c].keyList[a].keyField->names[b-1];
          size_t comp_index = t->get_comp_index_byName(*idf2);
          CompField *cf2 = t->get_comp_byIndex(comp_index);
          key->fields[b].nthfield = comp_index;
          key->fields[b].nthfieldname = idf2->get_name().c_str();
          if (t->typetype == T_CHOICE_T)
            key->fields[b].fieldtype = UNION_FIELD;
          else if (cf2->get_is_optional()){
            key->fields[b].fieldtype = OPTIONAL_FIELD;
          }else key->fields[b].fieldtype = MANDATORY_FIELD;
          Type *field_type = cf2->get_type();
          key->fields[b].type =
            pool.add(field_type->get_genname_value(my_scope));
          key->fields[b].typedescr =
            pool.add(field_type->get_genname_typedescriptor(my_scope));
          if (field_type->typetype == T_SEQ_T && field_type->rawattrib
              && (field_type->rawattrib->pointerto
                  || field_type->rawattrib->lengthto_num))
            key->start_pos = -1;

          if(t->typetype != T_CHOICE_T && t->typetype != T_SET_T){
            Type *t2;
            for(size_t i = 0; i < comp_index && key->start_pos >=0; i++)
            {
              t2 = t->get_comp_byIndex(i)->get_type();
              if(t2->get_raw_length() >= 0){
                if(t2->rawattrib)
                  key->start_pos += t2->rawattrib->padding;
                key->start_pos += t2->get_raw_length();
              }else key->start_pos = -1;
            }
          }
          t = field_type->get_type_refd_last();
        }
      }
    }
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    if (dummy_raw) {
      delete rawattrib;
      rawattrib = NULL;
    }
  }
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  if (xerattrib) {
    Module *my_module = get_my_scope()->get_scope_mod();
    sdef.xerHasNamespaces = my_module->get_nof_ns() != 0;
    const char *ns, *prefix;
    my_module->get_controlns(ns, prefix);
    sdef.control_ns_prefix = prefix;
    sdef.xerUseUnion = xerattrib->useUnion_;
    sdef.xerUseTypeAttr  = xerattrib->useType_ || xerattrib->useUnion_;
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  }
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  defUnionClass(&sdef, target);
  defUnionTemplate(&sdef, target);

  free_code_ot(sdef.ot);
  sdef.ot=0;
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  if (sdef.hasRaw) {
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    free_raw_attrib_struct(&sdef.raw);
  }
  Free(sdef.elements);
}

Opentype_t *Type::generate_code_ot(stringpool& pool)
{
  using namespace Asn;
  if(typetype!=T_OPENTYPE)
    return 0;
  if(!u.secho.my_tableconstraint
     || !u.secho.my_tableconstraint->get_ans()) {
    DEBUG(1, "Opentype ObjectClassFieldType without"
          " ComponentRelationConstraint: `%s'",
          get_fullname().c_str());
    return 0;
  }
  const AtNotations *ans=u.secho.my_tableconstraint->get_ans();
  Opentype_t *ot=(Opentype_t*)Malloc(sizeof(*ot));
  ot->anl.nElements = ans->get_nof_ans();
  ot->anl.elements = (AtNotation_t*)
    Malloc(ot->anl.nElements * sizeof(*ot->anl.elements));
  for(size_t i=0; i<ans->get_nof_ans(); i++) {
    AtNotation *an=ans->get_an_byIndex(i);
    AtNotation_t *an_t = ot->anl.elements + i;
    an_t->dispname = pool.add(an->get_dispname());
    an_t->parent_level=an->get_levels();
    an_t->parent_typename =
      pool.add(an->get_firstcomp()->get_genname_value(my_scope));
    an_t->type_name =
      pool.add(an->get_lastcomp()->get_genname_value(my_scope));
    an_t->sourcecode=memptystr();
    FieldName* cids=an->get_cids();
    Type *t_type=an->get_firstcomp();
    for(size_t j=0; j<cids->get_nof_fields(); j++) {
      CompField *cf=
        t_type->get_comp_byName(*cids->get_field_byIndex(j));
      if(j) an_t->sourcecode=mputstr(an_t->sourcecode, ".");
      an_t->sourcecode=mputprintf
        (an_t->sourcecode, "%s()",
         cf->get_name().get_name().c_str());
      if(cf->get_is_optional())
        an_t->sourcecode=mputstr(an_t->sourcecode, "()");
      t_type=cf->get_type();
    } // for j
  } // i
  const Identifier *oc_fieldname_t
    =u.secho.my_tableconstraint->get_oc_fieldname();
  Objects *objs
    =u.secho.my_tableconstraint->get_os()->get_refd_last()->get_objs();
  ot->oal.nElements = objs->get_nof_objs();
  ot->oal.elements = (OpentypeAlternative_t*)
    Malloc(ot->oal.nElements * sizeof(*ot->oal.elements));
  size_t nElements_missing=0;
  Value **val_prev=(Value**)
    Malloc(ans->get_nof_ans()*sizeof(*val_prev));
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  boolean differs_from_prev=TRUE;
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  for(size_t i=0; i<objs->get_nof_objs(); i++) {
    Obj_defn *obj=objs->get_obj_byIndex(i);
    if(!obj->has_fs_withName_dflt(*oc_fieldname_t)) {
      nElements_missing++;
      continue;
    }
    OpentypeAlternative_t *oa_t = ot->oal.elements + i - nElements_missing;
    Type *t_type=dynamic_cast<Type*>
      (obj->get_setting_byName_dflt(*oc_fieldname_t));
    bool is_strange;
    const Identifier& altname = t_type->get_otaltname(is_strange);
    oa_t->alt = pool.add(altname.get_name());
    oa_t->alt_dispname = pool.add(altname.get_asnname());
    oa_t->alt_typename = pool.add(t_type->get_genname_value(my_scope));
    oa_t->alt_typedescrname =
      pool.add(t_type->get_genname_typedescriptor(my_scope));
    oa_t->valuenames=(const char**)Malloc
      (ans->get_nof_ans()*sizeof(*oa_t->valuenames));
    oa_t->const_valuenames=(const char**)Malloc
      (ans->get_nof_ans()*sizeof(*oa_t->const_valuenames));
    for(size_t j=0; j<ans->get_nof_ans(); j++) {
      AtNotation *an=ans->get_an_byIndex(j);
      const Identifier *oc_fieldname_v=an->get_oc_fieldname();
      Value *t_value=dynamic_cast<Value*>
        (obj->get_setting_byName_dflt(*oc_fieldname_v));
      oa_t->valuenames[j] = pool.add(t_value->get_genname_own(my_scope));
      if(!differs_from_prev && *val_prev[j]==*t_value)
        oa_t->const_valuenames[j]=0;
      else {
        oa_t->const_valuenames[j] =
          pool.add(t_value->get_genname_own(my_scope));
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        differs_from_prev=TRUE;
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      }
      val_prev[j]=t_value;
    } //j
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    differs_from_prev=FALSE;
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