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/*******************************************************************************
* Copyright (c) 2004, 2014 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) - Initial API and implementation
* Markus Schorn (Wind River Systems)
* Thomas Corbat (IFS)
* Sergey Prigogin (Google)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTDeclSpecifier;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTEnumerationSpecifier;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPScope;
import org.eclipse.cdt.core.parser.util.ArrayUtil;
import org.eclipse.cdt.internal.core.dom.parser.IASTInternalEnumerationSpecifier;
/**
* AST node for C++ enumeration specifiers.
*/
public class CPPASTEnumerationSpecifier extends CPPASTBaseDeclSpecifier
implements IASTInternalEnumerationSpecifier, ICPPASTEnumerationSpecifier {
private boolean fIsScoped;
private boolean fIsOpaque;
private IASTName fName;
private ICPPASTDeclSpecifier fBaseType;
private IASTEnumerator[] fEnumerators = IASTEnumerator.EMPTY_ENUMERATOR_ARRAY;
private int fNumEnumerators;
private Boolean fValuesComputed;
private CPPEnumScope fScope;
public CPPASTEnumerationSpecifier() {
}
public CPPASTEnumerationSpecifier(boolean isScoped, IASTName name, ICPPASTDeclSpecifier baseType) {
fIsScoped= isScoped;
setName(name);
setBaseType(baseType);
}
@Override
public CPPASTEnumerationSpecifier copy() {
return copy(CopyStyle.withoutLocations);
}
@Override
public CPPASTEnumerationSpecifier copy(CopyStyle style) {
CPPASTEnumerationSpecifier copy = new CPPASTEnumerationSpecifier(fIsScoped,
fName == null ? null : fName.copy(style),
fBaseType == null ? null : fBaseType.copy(style));
copy.fIsOpaque = fIsOpaque;
for (IASTEnumerator enumerator : getEnumerators()) {
copy.addEnumerator(enumerator == null ? null : enumerator.copy(style));
}
return super.copy(copy, style);
}
@Override
public boolean startValueComputation() {
if (fValuesComputed != null)
return false;
fValuesComputed= Boolean.FALSE;
return true;
}
@Override
public void finishValueComputation() {
fValuesComputed= Boolean.TRUE;
}
@Override
public boolean isValueComputationInProgress() {
return fValuesComputed != null && !fValuesComputed;
}
@Override
public void addEnumerator(IASTEnumerator enumerator) {
assertNotFrozen();
if (enumerator != null) {
enumerator.setParent(this);
enumerator.setPropertyInParent(ENUMERATOR);
fEnumerators = ArrayUtil.appendAt(fEnumerators, fNumEnumerators++, enumerator);
}
}
@Override
public IASTEnumerator[] getEnumerators() {
fEnumerators = ArrayUtil.trim(fEnumerators, fNumEnumerators);
return fEnumerators;
}
@Override
public void setName(IASTName name) {
assertNotFrozen();
fName = name;
if (name != null) {
name.setParent(this);
name.setPropertyInParent(ENUMERATION_NAME);
}
}
@Override
public IASTName getName() {
return fName;
}
@Override
public boolean accept(ASTVisitor action) {
if (action.shouldVisitDeclSpecifiers) {
switch (action.visit(this)) {
case ASTVisitor.PROCESS_ABORT:
return false;
case ASTVisitor.PROCESS_SKIP:
return true;
default:
break;
}
}
if (fName != null && !fName.accept(action))
return false;
if (fBaseType != null && !fBaseType.accept(action)) {
return false;
}
if (!acceptByAttributeSpecifiers(action))
return false;
for (IASTEnumerator e : getEnumerators()) {
if (!e.accept(action))
return false;
}
if (action.shouldVisitDeclSpecifiers && action.leave(this) == ASTVisitor.PROCESS_ABORT)
return false;
return true;
}
@Override
public int getRoleForName(IASTName n) {
if (fName == n)
return isOpaque() ? r_declaration : r_definition;
return r_unclear;
}
@Override
public void setIsScoped(boolean isScoped) {
assertNotFrozen();
fIsScoped= isScoped;
}
@Override
public boolean isScoped() {
return fIsScoped;
}
@Override
public void setBaseType(ICPPASTDeclSpecifier baseType) {
assertNotFrozen();
fBaseType= baseType;
if (baseType != null) {
baseType.setParent(this);
baseType.setPropertyInParent(BASE_TYPE);
}
}
@Override
public ICPPASTDeclSpecifier getBaseType() {
return fBaseType;
}
@Override
public void setIsOpaque(boolean isOpaque) {
assertNotFrozen();
fIsOpaque= isOpaque;
}
@Override
public boolean isOpaque() {
return fIsOpaque;
}
@Override
public ICPPScope getScope() {
if (isOpaque())
return null;
if (fScope == null) {
fScope= new CPPEnumScope(this);
}
return fScope;
}
}
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