Merge branch '31-avoid-unused-variable-transitiondata-warning-in-generated-c-code' into 'master'

fix: Avoid unused variable warning for transitionData in generated c code (#31)

Closes #31

See merge request !6

plugins/org.eclipse.etrice.generator.c/src/org/eclipse/etrice/generator/c/gen/CExtensions.xtend

@@ -387,7 +387,7 @@ class CExtensions implements ILanguageExtension {
 			else
 				GENERIC_DATA_NAME
 		val dataArg = ", "+dataName
-		val typedData = typeName+" "+dataName + " = "+deRef+"(("+castTypeName+") generic_data__et);\n"
+		val typedData = typeName+" "+dataName + " = "+deRef+"(("+castTypeName+") generic_data__et);\nET_TOUCH(" + dataName + ");\n"
 		val typedArgList = ", "+typeName+" "+dataName
 
 		return newArrayList(dataArg, typedData, typedArgList);

plugins/org.eclipse.etrice.generator.c/src/org/eclipse/etrice/generator/c/gen/StateMachineGen.xtend

@@ -102,7 +102,7 @@ class StateMachineGen extends GenericStateMachineGenerator {
 
 	override markVariableUsed(String varname) {
 		'''
-			((void)trigger__et);	/* avoids unused warning */
+			((void)varname);	/* avoids unused warning */
 		'''
 	}
 	override unreachableReturn() {

runtime/org.eclipse.etrice.runtime.c/src/common/etStdMacros.h

@@ -16,6 +16,8 @@
 #ifndef _ETSTDMACROS_H_
 #define _ETSTDMACROS_H_
 
+#define ET_TOUCH(x)                         ((void)(x))
+
 #ifdef __cplusplus
 #define ET_EXTERN_C_BEGIN					extern "C" {
 #define ET_EXTERN_C_END						}