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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.ASTTypeUtil;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IBasicType;
import org.eclipse.cdt.core.dom.ast.IPointerType;
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;
private IType returnType;
private IPointerType thisType;
/**
* @param returnType
* @param types
*/
public CPPFunctionType(IType returnType, IType[] types) {
this.returnType = returnType;
this.parameters = types;
}
public CPPFunctionType(IType returnType, IType[] types, IPointerType thisType) {
this.returnType = returnType;
this.parameters = types;
this.thisType = thisType;
}
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;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.ICPPFunctionType#getThisType()
*/
public IPointerType getThisType() {
return thisType;
}
public final boolean isConst() {
return thisType != null && thisType.isConst();
}
public final boolean isVolatile() {
return thisType != null && thisType.isVolatile();
}
@Override
public String toString() {
return ASTTypeUtil.getType(this);
}
}
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