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/*******************************************************************************
* Copyright (c) 2004, 2013 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)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import static org.eclipse.cdt.core.dom.ast.IASTExpression.ValueCategory.PRVALUE;
import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.IASTBinaryTypeIdExpression;
import org.eclipse.cdt.core.dom.ast.IASTTypeId;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTExpression;
import org.eclipse.cdt.internal.core.dom.parser.ASTNode;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPVisitor;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.EvalBinaryTypeId;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.EvalFixed;
public class CPPASTBinaryTypeIdExpression extends ASTNode implements ICPPASTExpression, IASTBinaryTypeIdExpression {
private Operator fOperator;
private IASTTypeId fOperand1;
private IASTTypeId fOperand2;
private ICPPEvaluation fEvaluation;
public CPPASTBinaryTypeIdExpression() {
}
public CPPASTBinaryTypeIdExpression(Operator op, IASTTypeId typeId1, IASTTypeId typeId2) {
fOperator = op;
setOperand1(typeId1);
setOperand2(typeId2);
}
@Override
public CPPASTBinaryTypeIdExpression copy() {
return copy(CopyStyle.withoutLocations);
}
@Override
public CPPASTBinaryTypeIdExpression copy(CopyStyle style) {
CPPASTBinaryTypeIdExpression copy = new CPPASTBinaryTypeIdExpression(fOperator,
fOperand1 == null ? null : fOperand1.copy(style),
fOperand2 == null ? null : fOperand2.copy(style));
copy.setOffsetAndLength(this);
if (style == CopyStyle.withLocations) {
copy.setCopyLocation(this);
}
return copy;
}
@Override
public Operator getOperator() {
return fOperator;
}
@Override
public void setOperator(Operator value) {
assertNotFrozen();
fOperator = value;
}
@Override
public void setOperand1(IASTTypeId typeId) {
assertNotFrozen();
fOperand1 = typeId;
if (typeId != null) {
typeId.setParent(this);
typeId.setPropertyInParent(OPERAND1);
}
}
@Override
public void setOperand2(IASTTypeId typeId) {
assertNotFrozen();
fOperand2 = typeId;
if (typeId != null) {
typeId.setParent(this);
typeId.setPropertyInParent(OPERAND2);
}
}
@Override
public IASTTypeId getOperand1() {
return fOperand1;
}
@Override
public IASTTypeId getOperand2() {
return fOperand2;
}
@Override
public boolean accept(ASTVisitor action) {
if (action.shouldVisitExpressions) {
switch (action.visit(this)) {
case ASTVisitor.PROCESS_ABORT: return false;
case ASTVisitor.PROCESS_SKIP: return true;
default: break;
}
}
if (fOperand1 != null && !fOperand1.accept(action))
return false;
if (fOperand2 != null && !fOperand2.accept(action))
return false;
if (action.shouldVisitExpressions && action.leave(this) == ASTVisitor.PROCESS_ABORT)
return false;
return true;
}
@Override
public ICPPEvaluation getEvaluation() {
if (fEvaluation == null) {
if (fOperand1 == null || fOperand2 == null) {
fEvaluation= EvalFixed.INCOMPLETE;
} else {
IType t1= CPPVisitor.createType(fOperand1);
IType t2= CPPVisitor.createType(fOperand2);
if (t1 == null || t2 == null) {
fEvaluation= EvalFixed.INCOMPLETE;
} else {
fEvaluation= new EvalBinaryTypeId(fOperator, t1, t2);
}
}
}
return fEvaluation;
}
@Override
public IType getExpressionType() {
return getEvaluation().getTypeOrFunctionSet(this);
}
@Override
public boolean isLValue() {
return false;
}
@Override
public ValueCategory getValueCategory() {
return PRVALUE;
}
}
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