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/*******************************************************************************
* Copyright (c) 2004, 2008 IBM Corporation 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:
* IBM - Initial API and implementation
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.IASTDeclSpecifier;
import org.eclipse.cdt.core.dom.ast.IASTDeclarator;
import org.eclipse.cdt.core.dom.ast.IASTFunctionDeclarator;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTStatement;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTConstructorChainInitializer;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTFunctionDeclarator;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTFunctionDefinition;
import org.eclipse.cdt.core.parser.util.ArrayUtil;
import org.eclipse.cdt.internal.core.dom.parser.ASTNode;
import org.eclipse.cdt.internal.core.dom.parser.IASTAmbiguityParent;
import org.eclipse.cdt.internal.core.dom.parser.c.CVisitor;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPVisitor;
/**
* Models a function definition without a try-block. If used for a constructor definition it may contain
* member initializers.
*/
public class CPPASTFunctionDefinition extends ASTNode implements
ICPPASTFunctionDefinition, IASTAmbiguityParent {
private IASTDeclSpecifier declSpecifier;
private IASTFunctionDeclarator declarator;
private IASTStatement bodyStatement;
private ICPPASTConstructorChainInitializer[] memInits = null;
private int memInitPos= -1;
public CPPASTFunctionDefinition() {
}
public CPPASTFunctionDefinition(IASTDeclSpecifier declSpecifier,
IASTFunctionDeclarator declarator, IASTStatement bodyStatement) {
setDeclSpecifier(declSpecifier);
setDeclarator(declarator);
setBody(bodyStatement);
}
public CPPASTFunctionDefinition copy() {
CPPASTFunctionDefinition copy = new CPPASTFunctionDefinition();
copy.setDeclSpecifier(declSpecifier == null ? null : declSpecifier.copy());
if(declarator != null) {
IASTDeclarator outer = CVisitor.findOutermostDeclarator(declarator);
outer = outer.copy();
copy.setDeclarator((IASTFunctionDeclarator)CVisitor.findTypeRelevantDeclarator(outer));
}
copy.setBody(bodyStatement == null ? null : bodyStatement.copy());
for(ICPPASTConstructorChainInitializer initializer : getMemberInitializers())
copy.addMemberInitializer(initializer == null ? null : initializer.copy());
copy.setOffsetAndLength(this);
return copy;
}
public IASTDeclSpecifier getDeclSpecifier() {
return declSpecifier;
}
public void setDeclSpecifier(IASTDeclSpecifier declSpec) {
assertNotFrozen();
declSpecifier = declSpec;
if (declSpec != null) {
declSpec.setParent(this);
declSpec.setPropertyInParent(DECL_SPECIFIER);
}
}
public IASTFunctionDeclarator getDeclarator() {
return declarator;
}
public void setDeclarator(IASTFunctionDeclarator declarator) {
assertNotFrozen();
this.declarator = declarator;
if (declarator != null) {
IASTDeclarator outerDtor= CPPVisitor.findOutermostDeclarator(declarator);
outerDtor.setParent(this);
outerDtor.setPropertyInParent(DECLARATOR);
}
}
public IASTStatement getBody() {
return bodyStatement;
}
public void setBody(IASTStatement statement) {
assertNotFrozen();
bodyStatement = statement;
if (statement != null) {
statement.setParent(this);
statement.setPropertyInParent(FUNCTION_BODY);
}
}
public void addMemberInitializer(ICPPASTConstructorChainInitializer initializer) {
assertNotFrozen();
if (initializer != null) {
memInits= ArrayUtil.appendAt(ICPPASTConstructorChainInitializer.class, memInits, ++memInitPos, initializer);
initializer.setParent(this);
initializer.setPropertyInParent(MEMBER_INITIALIZER);
}
}
public ICPPASTConstructorChainInitializer[] getMemberInitializers() {
if (memInits == null)
return ICPPASTConstructorChainInitializer.EMPTY_CONSTRUCTORCHAININITIALIZER_ARRAY;
return memInits= ArrayUtil.trimAt(
ICPPASTConstructorChainInitializer.class, memInits, memInitPos);
}
public IScope getScope() {
return ((ICPPASTFunctionDeclarator)declarator).getFunctionScope();
}
@Override
public boolean accept(ASTVisitor action) {
if (action.shouldVisitDeclarations) {
switch (action.visit(this)) {
case ASTVisitor.PROCESS_ABORT:
return false;
case ASTVisitor.PROCESS_SKIP:
return true;
default:
break;
}
}
if (declSpecifier != null && !declSpecifier.accept(action))
return false;
final IASTDeclarator outerDtor = CPPVisitor.findOutermostDeclarator(declarator);
if (outerDtor != null && !outerDtor.accept(action))
return false;
final ICPPASTConstructorChainInitializer[] chain = getMemberInitializers();
for (ICPPASTConstructorChainInitializer memInit : chain) {
if (!memInit.accept(action))
return false;
}
if (bodyStatement != null && !bodyStatement.accept(action))
return false;
if (!acceptCatchHandlers(action))
return false;
if (action.shouldVisitDeclarations && action.leave(this) == ASTVisitor.PROCESS_ABORT)
return false;
return true;
}
/**
* Allows subclasses to visit catch handlers, returns whether the visit should continue.
*/
protected boolean acceptCatchHandlers(ASTVisitor action) {
return true;
}
public void replace(IASTNode child, IASTNode other) {
if( bodyStatement == child )
{
other.setPropertyInParent( bodyStatement.getPropertyInParent() );
other.setParent( bodyStatement.getParent() );
bodyStatement = (IASTStatement) other;
}
}
}
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