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/*******************************************************************************
* Copyright (c) 2005, 2008 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 Rational Software - Initial API and implementation
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.c;
import org.eclipse.cdt.core.dom.ast.IASTExpression;
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.c.ICASTSimpleDeclSpecifier;
import org.eclipse.cdt.core.dom.ast.c.ICBasicType;
import org.eclipse.cdt.internal.core.index.IIndexType;
/**
* @author dsteffle
*/
public class CBasicType implements ICBasicType {
static public final int IS_LONG = 1;
static public final int IS_LONGLONG = 1 << 1;
static public final int IS_SHORT = 1 << 2;
static public final int IS_SIGNED = 1 << 3;
static public final int IS_UNSIGNED = 1 << 4;
static public final int IS_COMPLEX = 1 << 5;
static public final int IS_IMAGINARY= 1 << 6;
private int type = 0;
private int qualifiers = 0;
private IASTExpression value = null;
/**
* keep a reference to the declaration specifier so that duplicate information isn't generated.
*
* @param sds the simple declaration specifier
*/
public CBasicType(ICASTSimpleDeclSpecifier sds) {
this.type = sds.getType();
this.qualifiers = ( sds.isLong() ? CBasicType.IS_LONG : 0 ) |
( sds.isShort() ? CBasicType.IS_SHORT : 0 ) |
( sds.isSigned() ? CBasicType.IS_SIGNED: 0 ) |
( sds.isUnsigned()? CBasicType.IS_UNSIGNED : 0 ) |
( sds.isLongLong()? CBasicType.IS_LONGLONG : 0 ) |
( sds.isComplex() ? CBasicType.IS_COMPLEX : 0 ) |
( sds.isImaginary()?CBasicType.IS_IMAGINARY : 0 );
if( type == IBasicType.t_unspecified ){
if( (qualifiers & ( IS_COMPLEX | IS_IMAGINARY )) != 0 )
type = IBasicType.t_float;
else {
type = IBasicType.t_int;
}
}
}
public CBasicType( int type, int qualifiers ){
this.type = type;
this.qualifiers = qualifiers;
if( type == IBasicType.t_unspecified ){
if( (qualifiers & ( IS_COMPLEX | IS_IMAGINARY )) != 0 )
type = IBasicType.t_float;
else {
type = IBasicType.t_int;
}
}
}
public CBasicType( int type, int qualifiers, IASTExpression value ){
this.type = type;
this.qualifiers = qualifiers;
this.value = value;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IBasicType#getType()
*/
public int getType() {
return type;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IBasicType#isSigned()
*/
public boolean isSigned() {
return ( qualifiers & IS_SIGNED) != 0;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IBasicType#isUnsigned()
*/
public boolean isUnsigned() {
return ( qualifiers & IS_UNSIGNED) != 0;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IBasicType#isShort()
*/
public boolean isShort() {
return ( qualifiers & IS_SHORT) != 0;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IBasicType#isLong()
*/
public boolean isLong() {
return ( qualifiers & IS_LONG) != 0;
}
public boolean isLongLong() {
return ( qualifiers & IS_LONGLONG) != 0;
}
public boolean isSameType(IType obj) {
if( obj == this )
return true;
if( obj instanceof ITypedef || obj instanceof IIndexType)
return obj.isSameType( this );
if (!(obj instanceof CBasicType)) return false;
CBasicType cObj = (CBasicType)obj;
return (cObj.getType() == this.getType()
&& cObj.isLong() == this.isLong()
&& cObj.isShort() == this.isShort()
&& cObj.isSigned() == this.isSigned()
&& cObj.isUnsigned() == this.isUnsigned()
&& cObj.isLongLong() == this.isLongLong()
&& cObj.isComplex() == this.isComplex()
&& cObj.isImaginary() == this.isImaginary());
}
@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.IBasicType#getValue()
*/
public IASTExpression getValue() {
return value;
}
public void setValue( IASTExpression expression ){
this.value = expression;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.c.ICBasicType#isComplex()
*/
public boolean isComplex() {
return ( qualifiers & IS_COMPLEX) != 0;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.c.ICBasicType#isImaginary()
*/
public boolean isImaginary() {
return ( qualifiers & IS_IMAGINARY) != 0;
}
}
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