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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)
*
*******************************************************************************/
package org.eclipse.etrice.generator.generic;
import org.eclipse.etrice.core.genmodel.etricegen.ExpandedActorClass;
import org.eclipse.etrice.core.genmodel.etricegen.ITransitionChainVisitor;
import org.eclipse.etrice.core.genmodel.etricegen.TransitionChain;
import org.eclipse.etrice.core.room.CPBranchTransition;
import org.eclipse.etrice.core.room.ContinuationTransition;
import org.eclipse.etrice.core.room.GuardedTransition;
import org.eclipse.etrice.core.room.InitialTransition;
import org.eclipse.etrice.core.room.State;
import org.eclipse.etrice.core.room.Transition;
import org.eclipse.etrice.generator.base.AbstractGenerator;
import org.eclipse.etrice.generator.base.CodegenHelpers;
import com.google.inject.Inject;
/**
* Implementation of the {@link org.eclipse.etrice.core.genmodel.etricegen.ITransitionChainVisitor ITransitionChainVisitor} interface.
* Uses an {@link org.eclipse.etrice.generator.generic.ILanguageExtension ILanguageExtension} for target language specific things.
*
* @author Henrik Rentz-Reichert
*
*/
public class TransitionChainVisitor implements ITransitionChainVisitor {
@Inject private ILanguageExtension langExt;
@Inject private CodegenHelpers codegenHelpers;
private ExpandedActorClass xpac;
private boolean dataDriven;
/**
* Constructor
*
* @param xpac an {@link ExpandedActorClass}
*/
protected TransitionChainVisitor(ExpandedActorClass xpac) {
this.xpac = xpac;
}
protected void init(TransitionChain tc) {
dataDriven = false;
if (tc.getTransition() instanceof GuardedTransition) {
dataDriven = true;
}
else if (tc.getTransition() instanceof InitialTransition) {
dataDriven = true;
}
}
// ITransitionChainVisitor interface
public String genActionOperationCall(Transition tr) {
if (tr.getAction()!=null && !tr.getAction().getLines().isEmpty()) {
if (tr instanceof InitialTransition)
return codegenHelpers.getActionCodeOperationName(tr)+"("+langExt.selfPointer(false)+");\n";
else if (dataDriven)
return codegenHelpers.getActionCodeOperationName(tr)+"("+langExt.selfPointer(false)+");\n";
else {
String[] result = langExt.generateArglistAndTypedData(xpac.getData(tr));
String dataArg = result[0];
return codegenHelpers.getActionCodeOperationName(tr)+"("+langExt.selfPointer(true)+"ifitem"+dataArg+");\n";
}
}
return "";
}
public String genEntryOperationCall(State state) {
return codegenHelpers.getEntryCodeOperationName(state)+"("+langExt.selfPointer(false)+");\n";
}
public String genExitOperationCall(State state) {
return codegenHelpers.getExitCodeOperationName(state)+"("+langExt.selfPointer(false)+");\n";
}
public String genElseIfBranch(CPBranchTransition tr, boolean isFirst) {
String result = "";
if (!isFirst )
result = "}\nelse ";
result += "if ("+AbstractGenerator.getInstance().getTranslatedCode(tr.getCondition())+") {\n";
return result;
}
public String genElseBranch(ContinuationTransition tr) {
String result = "}\nelse {\n";
return result;
}
public String genEndIf() {
return "}\n";
}
public String genReturnState(State state, boolean executeEntryCode) {
if (executeEntryCode)
return "return " + codegenHelpers.getGenStateId(state) + ";";
else
return "return " + codegenHelpers.getGenStateId(state) + " + STATE_MAX;";
}
public String genTypedData(TransitionChain tc) {
String[] result = langExt.generateArglistAndTypedData(tc.getData());
return result[1];
}
}
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