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/*******************************************************************************
* Copyright (c) 2003, 2004 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
*******************************************************************************/
/*
* Created on Nov 4, 2003
*/
package org.eclipse.cdt.internal.core.parser.pst;
import java.util.List;
import org.eclipse.cdt.core.parser.util.ObjectMap;
public class BasicSymbol extends ExtensibleSymbol implements ISymbol
{
public BasicSymbol( ParserSymbolTable table, char[] name ){
super( table );
_name = name;
}
public BasicSymbol( ParserSymbolTable table, char[] name, ITypeInfo.eType typeInfo )
{
super( table );
_name = name;
_typeInfo = TypeInfoProvider.newTypeInfo( typeInfo );
}
public ISymbol instantiate( ITemplateSymbol template, ObjectMap argMap ) throws ParserSymbolTableException{
if( !isTemplateMember() && !getContainingSymbol().isTemplateMember() ){
return null;
}
ISymbol newSymbol = (ISymbol) clone();
newSymbol.setTypeInfo( TemplateEngine.instantiateTypeInfo( newSymbol.getTypeInfo(), template, argMap ) );
newSymbol.setInstantiatedSymbol( this );
return newSymbol;
}
public char[] getName() { return _name; }
public void setName(char[] name) { _name = name; }
public void setContainingSymbol( IContainerSymbol scope ){
super.setContainingSymbol( scope );
_depth = scope.getDepth() + 1;
}
public void setType(ITypeInfo.eType t){
getTypeInfo().setType( t );
}
public ITypeInfo.eType getType(){
return getTypeInfo().getType();
}
public boolean isType( ITypeInfo.eType type ){
return getTypeInfo().isType( type, ITypeInfo.t_undef );
}
public boolean isType( ITypeInfo.eType type, ITypeInfo.eType upperType ){
return getTypeInfo().isType( type, upperType );
}
public ISymbol getTypeSymbol(){
ISymbol symbol = getTypeInfo().getTypeSymbol();
if( symbol != null && symbol.isForwardDeclaration() && symbol.getForwardSymbol() != null ){
return symbol.getForwardSymbol();
}
return symbol;
}
public void setTypeSymbol( ISymbol type ){
getTypeInfo().setTypeSymbol( type );
}
public ITypeInfo getTypeInfo(){
return ( _typeInfo != null ) ? _typeInfo : (_typeInfo = new TypeInfo());
}
public void setTypeInfo( ITypeInfo info ) {
_typeInfo = info;
}
public boolean isForwardDeclaration(){
return _isForwardDeclaration;
}
public void setIsForwardDeclaration( boolean forward ){
_isForwardDeclaration = forward;
}
public void setForwardSymbol( ISymbol forward ){
_symbolDef = forward;
}
public ISymbol getForwardSymbol(){
return (_isForwardDeclaration || isType( ITypeInfo.t_namespace) ) ? _symbolDef : null;
}
/**
* returns 0 if same, non zero otherwise
*/
public int compareCVQualifiersTo( ISymbol symbol ){
int size = symbol.getTypeInfo().hasPtrOperators() ? symbol.getTypeInfo().getPtrOperators().size() : 0;
int size2 = getTypeInfo().hasPtrOperators() ? getTypeInfo().getPtrOperators().size() : 0;
if( size != size2 ){
return size2 - size;
} else if( size == 0 )
return 0;
else {
ITypeInfo.PtrOp op1 = null, op2 = null;
for( int i = 0; i > size; i++ ){
op1 = (ITypeInfo.PtrOp)symbol.getTypeInfo().getPtrOperators().get(i);
op2 = (ITypeInfo.PtrOp)getTypeInfo().getPtrOperators().get(i);
if( op1.compareCVTo( op2 ) != 0 ){
return -1;
}
}
}
return 0;
}
public List getPtrOperators(){
return getTypeInfo().getPtrOperators();
}
public void addPtrOperator( ITypeInfo.PtrOp ptrOp ){
getTypeInfo().addPtrOperator( ptrOp );
}
public void preparePtrOperatros(int numPtrOps) {
getTypeInfo().preparePtrOperators( numPtrOps );
}
public int getDepth(){
return _depth;
}
public boolean isTemplateMember(){
return _isTemplateMember;
}
public void setIsTemplateMember( boolean isMember ){
_isTemplateMember = isMember;
}
public boolean isTemplateInstance(){
return ( _isTemplateInstance && _symbolDef != null );
}
public ISymbol getInstantiatedSymbol(){
return _symbolDef;
}
public void setInstantiatedSymbol( ISymbol symbol ){
_isTemplateInstance = true;
_symbolDef = symbol;
}
public boolean getIsInvisible(){
return _isInvisible;
}
public void setIsInvisible( boolean invisible ){
_isInvisible = invisible ;
}
private char[] _name; //our name
private ITypeInfo _typeInfo; //our type info
private int _depth; //how far down the scope stack we are
private boolean _isInvisible = false; //used by friend declarations (11.4-9)
private boolean _isTemplateMember = false;
private boolean _isForwardDeclaration = false;
private boolean _isTemplateInstance = false;
private ISymbol _symbolDef = null; //used for forward declarations and template instantiations
/* (non-Javadoc)
* @see java.lang.Object#clone()
*/
public Object clone() {
BasicSymbol s = (BasicSymbol) super.clone();
s._typeInfo = TypeInfoProvider.newTypeInfo( s._typeInfo );
return s;
}
}
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