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/*******************************************************************************
* Copyright (c) 2008, 2011 Institute for Software, HSR Hochschule fuer Technik
* Rapperswil, University of applied sciences and others
* 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:
* Institute for Software - initial API and implementation
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.rewrite.changegenerator;
import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.IASTExpression;
import org.eclipse.cdt.core.dom.ast.IASTExpressionList;
import org.eclipse.cdt.core.dom.ast.IASTInitializer;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTNewExpression;
import org.eclipse.cdt.internal.core.dom.rewrite.ASTModification;
import org.eclipse.cdt.internal.core.dom.rewrite.ASTModification.ModificationKind;
import org.eclipse.cdt.internal.core.dom.rewrite.astwriter.ExpressionWriter;
import org.eclipse.cdt.internal.core.dom.rewrite.astwriter.MacroExpansionHandler;
import org.eclipse.cdt.internal.core.dom.rewrite.astwriter.Scribe;
import org.eclipse.cdt.internal.core.dom.rewrite.commenthandler.NodeCommentMap;
public class ModifiedASTExpressionWriter extends ExpressionWriter {
private final ASTModificationHelper modificationHelper;
public ModifiedASTExpressionWriter(Scribe scribe, ASTVisitor visitor, MacroExpansionHandler macroHandler,
ModificationScopeStack stack, NodeCommentMap commentMap) {
super(scribe, visitor, macroHandler, commentMap);
this.modificationHelper = new ASTModificationHelper(stack);
}
@Override
protected void writeExpressions(IASTExpressionList expList, IASTExpression[] expressions) {
IASTExpression[] modifiedExpressions = modificationHelper.createModifiedChildArray(expList,
expressions, IASTExpression.class, commentMap);
super.writeExpressions(expList, modifiedExpressions);
}
@Override
protected IASTInitializer getNewInitializer(ICPPASTNewExpression newExp) {
IASTInitializer initializer = newExp.getInitializer();
if (initializer != null) {
for (ASTModification childModification : modificationHelper.modificationsForNode(initializer)) {
switch (childModification.getKind()) {
case REPLACE:
if (childModification.getNewNode() instanceof IASTInitializer) {
return (IASTInitializer) childModification.getNewNode();
}
break;
case INSERT_BEFORE:
throw new UnhandledASTModificationException(childModification);
case APPEND_CHILD:
throw new UnhandledASTModificationException(childModification);
}
}
} else {
for (ASTModification parentModification : modificationHelper.modificationsForNode(newExp)) {
if (parentModification.getKind() == ModificationKind.APPEND_CHILD) {
IASTNode newNode = parentModification.getNewNode();
if (newNode instanceof IASTInitializer) {
return (IASTInitializer) newNode;
}
}
}
}
return initializer;
}
}
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