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/*******************************************************************************
* Copyright (c) 2010 protos software gmbh (http://www.protos.de).
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* CONTRIBUTORS:
* Thomas Schuetz and Henrik Rentz-Reichert (initial contribution)
* Thomas Schuetz (changed for C code generator)
*
*******************************************************************************/
/*
collection of convenience functions for code generation
*/
package org.eclipse.etrice.generator.c.gen
import com.google.inject.Inject
import com.google.inject.Singleton
import org.eclipse.etrice.core.room.Message
import org.eclipse.etrice.core.room.RoomClass
import org.eclipse.etrice.generator.etricegen.ExpandedActorClass
import org.eclipse.etrice.generator.etricegen.TransitionChain
import org.eclipse.etrice.generator.generic.ILanguageExtension
import org.eclipse.etrice.generator.generic.LanguageGenerator
import java.util.List
import org.eclipse.xtext.util.Pair
@Singleton
class CExtensions implements ILanguageExtension {
@Inject LanguageGenerator languageGen
override String getTypedDataDefinition(Message m) {
return languageGen.getTypedData(m)
}
// in C no access levels can be defined
override String accessLevelPrivate(){"static "}
override String accessLevelProtected(){"static "}
override String accessLevelPublic(){""}
override String memberAccess(){"self->"}
override String selfPointer(String classname, boolean hasArgs){
classname+
if (hasArgs)
"* self, "
else
"* self"
}
override String selfPointer(boolean hasArgs) { if (hasArgs) "self, " else "self" }
override String operationScope(String classname, boolean isDeclaration){classname+"_"}
override String memberInDeclaration(String namespace, String member) {
return namespace+"_"+member
}
override String memberInUse(String namespace, String member) {
return namespace+"_"+member
}
//**** C-Specific
/* TODO: move specific code elsewhere */
// used
def String getCHeaderFileName(RoomClass rc) {
return rc.name+".h";
}
// used
def String getCSourceFileName(RoomClass rc) {
return rc.name+".c";
}
def String getInstSourceFileName(RoomClass rc) {
return rc.name+"_Inst.h";
}
def String getDispSourceFileName(RoomClass rc) {
return rc.name+"_Disp.h";
}
def getIncludeGuardString(String filename){
'''_«filename.toUpperCase»_H_'''
}
def generateIncludeGuardBegin(String filename){'''
#ifndef «filename.getIncludeGuardString»
#define «filename.getIncludeGuardString»
'''
}
def generateIncludeGuardEnd(String filename){'''
#endif /* «filename.getIncludeGuardString» */
'''
}
override boolean usesInheritance() {
return false
}
override String genEnumeration(String name, List<Pair<String, String>> entries) {
'''
enum «name» {
«FOR entry: entries SEPARATOR ","»
«entry.first» = «entry.second»
«ENDFOR»
};
'''.toString
}
override String booleanConstant(boolean b) {
if (b) "TRUE" else "FALSE"
}
override String nullPointer() { "NULL" }
override String voidPointer() { "void*" }
//-------------------------------------------------------
// transition chain visitor
def String getExecuteChainCode(ExpandedActorClass ac, TransitionChain tc) {
return languageGen.getExecuteChain(ac, tc)
}
}
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