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/*******************************************************************************
* Copyright (c) 2004, 2005 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 Corporation - initial API and implementation
*******************************************************************************/
/*
* Created on Dec 13, 2004
*/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IBasicType;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.ITypedef;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionType;
/**
* @author aniefer
*/
public class CPPFunctionType implements ICPPFunctionType {
private IType[] parameters = null;
private IType returnType = null;
private boolean isConst = false;
private boolean isVolatile = false;
/**
* @param returnType
* @param types
*/
public CPPFunctionType( IType returnType, IType [] types ) {
this.returnType = returnType;
this.parameters = types;
}
public CPPFunctionType( IType returnType, IType [] types, boolean isConst, boolean isVolatile ) {
this.returnType = returnType;
this.parameters = types;
this.isConst = isConst;
this.isVolatile = isVolatile;
}
public boolean isSameType( IType o ){
if( o instanceof ITypedef )
return o.isSameType( this );
if( o instanceof ICPPFunctionType ){
ICPPFunctionType ft = (ICPPFunctionType) o;
IType [] fps;
try {
fps = ft.getParameterTypes();
} catch ( DOMException e ) {
return false;
}
try {
//constructors & destructors have null return type
if( ( returnType == null ) ^ ( ft.getReturnType() == null ) )
return false;
else if( returnType != null && ! returnType.isSameType( ft.getReturnType() ) )
return false;
} catch ( DOMException e1 ) {
return false;
}
try {
if( parameters.length == 1 && fps.length == 0 ){
if( !(parameters[0] instanceof IBasicType) || ((IBasicType)parameters[0]).getType() != IBasicType.t_void )
return false;
} else if( fps.length == 1 && parameters.length == 0 ){
if( !(fps[0] instanceof IBasicType) || ((IBasicType)fps[0]).getType() != IBasicType.t_void )
return false;
} else if( parameters.length != fps.length ){
return false;
} else {
for( int i = 0; i < parameters.length; i++ ){
if (parameters[i] == null || ! parameters[i].isSameType( fps[i] ) )
return false;
}
}
} catch (DOMException e ){
return false;
}
if( isConst != ft.isConst() || isVolatile != ft.isVolatile() )
return false;
return true;
}
return false;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IFunctionType#getReturnType()
*/
public IType getReturnType() {
return returnType;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IFunctionType#getParameterTypes()
*/
public IType[] getParameterTypes() {
return parameters;
}
@Override
public Object clone(){
IType t = null;
try {
t = (IType) super.clone();
} catch ( CloneNotSupportedException e ) {
//not going to happen
}
return t;
}
public boolean isConst() {
return isConst;
}
public boolean isVolatile() {
return isVolatile;
}
}
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