/*******************************************************************************
* Copyright (c) 2005, 2011 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:
* John Camelon (IBM Rational Software) - Initial API and implementation
* Markus Schorn (Wind River Systems)
* Yuan Zhang / Beth Tibbitts (IBM Research)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.c;
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.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTSimpleDeclaration;
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;
/**
* Models a simple declaration.
*/
public class CASTSimpleDeclaration extends ASTNode implements IASTSimpleDeclaration, IASTAmbiguityParent {
private IASTDeclarator[] declarators;
private int declaratorsPos = -1;
private IASTDeclSpecifier declSpecifier;
public CASTSimpleDeclaration() {
}
public CASTSimpleDeclaration(IASTDeclSpecifier declSpecifier) {
setDeclSpecifier(declSpecifier);
}
public CASTSimpleDeclaration copy() {
return copy(CopyStyle.withoutLocations);
}
public CASTSimpleDeclaration copy(CopyStyle style) {
CASTSimpleDeclaration copy = new CASTSimpleDeclaration();
copy.setDeclSpecifier(declSpecifier == null ? null : declSpecifier.copy(style));
for (IASTDeclarator declarator : getDeclarators())
copy.addDeclarator(declarator == null ? null : declarator.copy(style));
copy.setOffsetAndLength(this);
if (style == CopyStyle.withLocations) {
copy.setCopyLocation(this);
}
return copy;
}
public IASTDeclSpecifier getDeclSpecifier() {
return declSpecifier;
}
public IASTDeclarator[] getDeclarators() {
if (declarators == null)
return IASTDeclarator.EMPTY_DECLARATOR_ARRAY;
declarators = (IASTDeclarator[]) ArrayUtil.removeNullsAfter(IASTDeclarator.class, declarators, declaratorsPos);
return declarators;
}
public void addDeclarator(IASTDeclarator d) {
assertNotFrozen();
if (d != null) {
d.setParent(this);
d.setPropertyInParent(DECLARATOR);
declarators = (IASTDeclarator[]) ArrayUtil.append(IASTDeclarator.class, declarators, ++declaratorsPos, d);
}
}
public void setDeclSpecifier(IASTDeclSpecifier declSpecifier) {
assertNotFrozen();
this.declSpecifier = declSpecifier;
if (declSpecifier != null) {
declSpecifier.setParent(this);
declSpecifier.setPropertyInParent(DECL_SPECIFIER);
}
}
@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;
IASTDeclarator[] dtors = getDeclarators();
for (int i = 0; i < dtors.length; i++) {
if (!dtors[i].accept(action))
return false;
}
if (action.shouldVisitDeclarations) {
switch (action.leave(this)) {
case ASTVisitor.PROCESS_ABORT: return false;
case ASTVisitor.PROCESS_SKIP: return true;
default: break;
}
}
return true;
}
public void replace(IASTNode child, IASTNode other) {
if (declSpecifier == child) {
other.setParent(child.getParent());
other.setPropertyInParent(child.getPropertyInParent());
declSpecifier= (IASTDeclSpecifier) other;
} else {
IASTDeclarator[] declarators = getDeclarators();
for (int i = 0; i < declarators.length; i++) {
if (declarators[i] == child) {
declarators[i] = (IASTDeclarator)other;
other.setParent(child.getParent());
other.setPropertyInParent(child.getPropertyInParent());
break;
}
}
}
}
}