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/**********************************************************************
* Copyright (c) 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM - Initial API and implementation
**********************************************************************/
/*
* Created on Mar 31, 2005
*/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IASTDeclSpecifier;
import org.eclipse.cdt.core.dom.ast.IASTDeclaration;
import org.eclipse.cdt.core.dom.ast.IASTDeclarator;
import org.eclipse.cdt.core.dom.ast.IASTFunctionDefinition;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTParameterDeclaration;
import org.eclipse.cdt.core.dom.ast.IASTSimpleDeclaration;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IFunctionType;
import org.eclipse.cdt.core.dom.ast.IParameter;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTDeclSpecifier;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTFunctionDeclarator;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTParameterDeclaration;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTQualifiedName;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTTemplateId;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionTemplate;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPScope;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter;
import org.eclipse.cdt.core.parser.util.ObjectMap;
/**
* @author aniefer
*/
public class CPPFunctionTemplate extends CPPTemplateDefinition implements ICPPFunctionTemplate, ICPPFunction {
IFunctionType type = null;
/**
* @param decl
*/
public CPPFunctionTemplate(IASTName name) {
super(name);
}
public void addDefinition(IASTNode node) {
if( !(node instanceof IASTName) )
return;
updateFunctionParameterBindings( (IASTName) node );
super.addDefinition( node );
}
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPInternalBinding#addDeclaration(org.eclipse.cdt.core.dom.ast.IASTNode)
*/
public void addDeclaration(IASTNode node) {
if( !(node instanceof IASTName) )
return;
updateFunctionParameterBindings( (IASTName) node );
super.addDeclaration( node );
}
/**
* @param name
*/
private void updateFunctionParameterBindings(IASTName paramName) {
IASTName defName = definition != null ? definition : declarations[0];
ICPPASTFunctionDeclarator orig = (ICPPASTFunctionDeclarator) defName.getParent();
IASTParameterDeclaration [] ops = orig.getParameters();
IASTParameterDeclaration [] nps = ((ICPPASTFunctionDeclarator)paramName.getParent()).getParameters();
CPPParameter temp = null;
for( int i = 0; i < nps.length; i++ ){
temp = (CPPParameter) ops[i].getDeclarator().getName().getBinding();
if( temp != null ){
IASTName name = nps[i].getDeclarator().getName();
name.setBinding( temp );
temp.addDeclaration( name );
}
}
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplate#instantiate(org.eclipse.cdt.core.dom.ast.IASTNode[])
*/
public IBinding instantiate(ICPPASTTemplateId templateId ) {//IASTNode[] arguments) {
ICPPTemplateParameter [] params = getTemplateParameters();
IASTNode [] arguments = templateId.getTemplateArguments();
ObjectMap map = new ObjectMap(params.length);
if( arguments.length == params.length ){
for( int i = 0; i < arguments.length; i++ ){
IType t = CPPVisitor.createType( arguments[i] );
map.put( params[i], t );
}
}
return CPPTemplates.createInstance( templateId, (ICPPScope) getScope(), this, map );
}
/**
* @param templateParameter
* @return
*/
// public IBinding resolveParameter(ICPPASTTemplateParameter templateParameter) {
// return null;
// }
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IFunction#getParameters()
*/
public IParameter[] getParameters() {
IASTName name = getTemplateName();
IASTNode parent = name.getParent();
if( parent instanceof ICPPASTQualifiedName )
parent = parent.getParent();
if( parent instanceof ICPPASTFunctionDeclarator ){
ICPPASTFunctionDeclarator dtor = (ICPPASTFunctionDeclarator) parent;
IASTParameterDeclaration[] params = dtor.getParameters();
int size = params.length;
IParameter [] result = new IParameter[ size ];
if( size > 0 ){
for( int i = 0; i < size; i++ ){
IASTParameterDeclaration p = params[i];
result[i] = (IParameter) p.getDeclarator().getName().resolveBinding();
}
}
return result;
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IFunction#getFunctionScope()
*/
public IScope getFunctionScope() {
// TODO Auto-generated method stub
return null;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IFunction#getType()
*/
public IFunctionType getType() {
if( type == null ) {
IASTName name = getTemplateName();
IASTNode parent = name.getParent();
while( parent.getParent() instanceof IASTDeclarator )
parent = parent.getParent();
IType temp = CPPVisitor.createType( (IASTDeclarator)parent );
if( temp instanceof IFunctionType )
type = (IFunctionType) temp;
}
return type;
}
public boolean hasStorageClass( int storage ){
IASTName name = (IASTName) getDefinition();
IASTNode[] ns = getDeclarations();
int i = -1;
do{
if( name != null ){
IASTNode parent = name.getParent();
while( !(parent instanceof IASTDeclaration) )
parent = parent.getParent();
IASTDeclSpecifier declSpec = null;
if( parent instanceof IASTSimpleDeclaration )
declSpec = ((IASTSimpleDeclaration)parent).getDeclSpecifier();
else if( parent instanceof IASTFunctionDefinition )
declSpec = ((IASTFunctionDefinition)parent).getDeclSpecifier();
if( declSpec.getStorageClass() == storage )
return true;
}
if( ns != null && ++i < ns.length )
name = (IASTName) ns[i];
else
break;
} while( name != null );
return false;
}
/**
* @param param
* @return
*/
public IBinding resolveFunctionParameter(ICPPASTParameterDeclaration param) {
IASTName name = param.getDeclarator().getName();
IBinding binding = name.getBinding();
if( binding != null )
return binding;
ICPPASTFunctionDeclarator fdtor = (ICPPASTFunctionDeclarator) param.getParent();
IASTParameterDeclaration [] ps = fdtor.getParameters();
int i = 0;
for( ; i < ps.length; i++ ){
if( param == ps[i] )
break;
}
//create a new binding and set it for the corresponding parameter in all known defns and decls
binding = new CPPParameter( name );
IASTParameterDeclaration temp = null;
if( definition != null ){
IASTNode node = definition.getParent();
if( node instanceof ICPPASTQualifiedName )
node = node.getParent();
temp = ((ICPPASTFunctionDeclarator)node).getParameters()[i];
IASTName n = temp.getDeclarator().getName();
if( n != name ) {
n.setBinding( binding );
((CPPParameter)binding).addDeclaration( n );
}
}
if( declarations != null ){
for( int j = 0; j < declarations.length && declarations[j] != null; j++ ){
temp = ((ICPPASTFunctionDeclarator)declarations[j].getParent()).getParameters()[i];
IASTName n = temp.getDeclarator().getName();
if( n != name ) {
n.setBinding( binding );
((CPPParameter)binding).addDeclaration( n );
}
}
}
return binding;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IFunction#isStatic()
*/
public boolean isStatic() {
return hasStorageClass( IASTDeclSpecifier.sc_static );
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction#isMutable()
*/
public boolean isMutable() {
return hasStorageClass( ICPPASTDeclSpecifier.sc_mutable );
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction#isInline()
*/
public boolean isInline() throws DOMException {
IASTName name = (IASTName) getDefinition();
IASTNode[] ns = getDeclarations();
int i = -1;
do{
if( name != null ){
IASTNode parent = name.getParent();
while( !(parent instanceof IASTDeclaration) )
parent = parent.getParent();
IASTDeclSpecifier declSpec = null;
if( parent instanceof IASTSimpleDeclaration )
declSpec = ((IASTSimpleDeclaration)parent).getDeclSpecifier();
else if( parent instanceof IASTFunctionDefinition )
declSpec = ((IASTFunctionDefinition)parent).getDeclSpecifier();
if( declSpec.isInline() )
return true;
}
if( ns != null && ++i < ns.length )
name = (IASTName) ns[i];
else
break;
} while( name != null );
return false;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IFunction#isExtern()
*/
public boolean isExtern() {
return hasStorageClass( IASTDeclSpecifier.sc_extern );
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IFunction#isAuto()
*/
public boolean isAuto() {
return hasStorageClass( IASTDeclSpecifier.sc_auto );
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IFunction#isRegister()
*/
public boolean isRegister() {
return hasStorageClass( IASTDeclSpecifier.sc_register);
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IFunction#takesVarArgs()
*/
public boolean takesVarArgs() {
IASTName name = (IASTName) getDefinition();
if( name != null ){
ICPPASTFunctionDeclarator dtor = (ICPPASTFunctionDeclarator) name.getParent();
return dtor.takesVarArgs();
}
IASTName [] ns = (IASTName[]) getDeclarations();
if( ns != null && ns.length > 0 ){
ICPPASTFunctionDeclarator dtor = (ICPPASTFunctionDeclarator) ns[0].getParent();
return dtor.takesVarArgs();
}
return false;
}
}
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