/*******************************************************************************
* Copyright (c) 2005, 2011 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:
* John Camelon (IBM Rational Software) - Initial API and implementation
* Yuan Zhang / Beth Tibbitts (IBM Research)
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.c;
import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.IASTCompletionContext;
import org.eclipse.cdt.core.dom.ast.IASTDeclaration;
import org.eclipse.cdt.core.dom.ast.IASTDeclarator;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTSimpleDeclaration;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.ICompositeType;
import org.eclipse.cdt.core.dom.ast.IEnumeration;
import org.eclipse.cdt.core.dom.ast.ITypedef;
import org.eclipse.cdt.core.dom.ast.c.ICASTElaboratedTypeSpecifier;
/**
* Node for elaborated type specifiers (examples: struct S; union U; enum E;)
*/
public class CASTElaboratedTypeSpecifier extends CASTBaseDeclSpecifier implements
ICASTElaboratedTypeSpecifier, IASTCompletionContext {
private int kind;
private IASTName name;
public CASTElaboratedTypeSpecifier() {
}
public CASTElaboratedTypeSpecifier(int kind, IASTName name) {
this.kind = kind;
setName(name);
}
public CASTElaboratedTypeSpecifier copy() {
return copy(CopyStyle.withoutLocations);
}
public CASTElaboratedTypeSpecifier copy(CopyStyle style) {
CASTElaboratedTypeSpecifier copy = new CASTElaboratedTypeSpecifier(kind, name == null
? null : name.copy(style));
copyBaseDeclSpec(copy);
if (style == CopyStyle.withLocations) {
copy.setCopyLocation(this);
}
return copy;
}
public int getKind() {
return kind;
}
public void setKind(int value) {
assertNotFrozen();
this.kind = value;
}
public IASTName getName() {
return name;
}
public void setName(IASTName name) {
assertNotFrozen();
this.name = name;
if (name != null) {
name.setParent(this);
name.setPropertyInParent(TYPE_NAME);
}
}
@Override
public boolean accept( ASTVisitor action ){
if( action.shouldVisitDeclSpecifiers ){
switch( action.visit( this ) ){
case ASTVisitor.PROCESS_ABORT : return false;
case ASTVisitor.PROCESS_SKIP : return true;
default : break;
}
}
if( name != null ) if( !name.accept( action ) ) return false;
if( action.shouldVisitDeclSpecifiers ){
switch( action.leave( this ) ){
case ASTVisitor.PROCESS_ABORT : return false;
case ASTVisitor.PROCESS_SKIP : return true;
default : break;
}
}
return true;
}
public int getRoleForName(IASTName n ) {
if( n != name ) return r_unclear;
IASTNode parent = getParent();
if( !( parent instanceof IASTDeclaration ) )
return r_reference;
if( parent instanceof IASTSimpleDeclaration ){
IASTDeclarator [] dtors = ((IASTSimpleDeclaration)parent).getDeclarators();
if( dtors.length == 0 )
return r_declaration;
}
//can't tell, resolve the binding
IBinding binding = name.resolveBinding();
if( binding instanceof ICInternalBinding ){
IASTNode node = ((ICInternalBinding)binding).getPhysicalNode();
if( node == name )
return r_declaration;
}
return r_reference;
}
public IBinding[] findBindings(IASTName n, boolean isPrefix) {
IBinding[] result= CVisitor.findBindingsForContentAssist(n, isPrefix);
int nextPos= 0;
for (int i = 0; i < result.length; i++) {
IBinding b= result[i];
if (b instanceof ICompositeType) {
ICompositeType ct= (ICompositeType) b;
switch (ct.getKey()) {
case ICompositeType.k_struct:
if (getKind() != k_struct)
b= null;
break;
case ICompositeType.k_union:
if (getKind() != k_union)
b= null;
break;
}
} else if (b instanceof IEnumeration) {
if (getKind() != k_enum)
b= null;
} else if (b instanceof ITypedef) {
b= null;
}
if (b != null) {
result[nextPos++]= b;
}
}
if (nextPos != result.length) {
IBinding[] copy = new IBinding[nextPos];
System.arraycopy(result, 0, copy, 0, nextPos);
return copy;
}
return result;
}
}