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/*******************************************************************************
* Copyright (c) 2004, 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:
* John Camelon(IBM) - Initial API and implementation
* Markus Schorn (Wind River Systems)
* Bryan Wilkinson (QNX)
* Anton Leherbauer (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.dom.ILinkage;
import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IASTCompletionContext;
import org.eclipse.cdt.core.dom.ast.IASTDeclarator;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTNameOwner;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.ICompositeType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTElaboratedTypeSpecifier;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPNamespace;
import org.eclipse.cdt.core.parser.util.ArrayUtil;
import org.eclipse.cdt.core.parser.util.CharArrayUtils;
import org.eclipse.cdt.internal.core.dom.Linkage;
import org.eclipse.cdt.internal.core.dom.parser.IASTInternalNameOwner;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPSemantics;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPVisitor;
/**
* Unqualified name, also base class for operator and conversion name.
*/
public class CPPASTName extends CPPASTNameBase implements IASTCompletionContext {
private char[] name;
public CPPASTName(char[] name) {
this.name = name;
}
public CPPASTName() {
name = CharArrayUtils.EMPTY;
}
public CPPASTName copy() {
CPPASTName copy = new CPPASTName(name == null ? null : name.clone());
copy.setOffsetAndLength(this);
return copy;
}
@Override
protected IBinding createIntermediateBinding() {
return CPPVisitor.createBinding(this);
}
public IASTCompletionContext getCompletionContext() {
IASTNode node = getParent();
while (node != null) {
if (node instanceof IASTCompletionContext) {
return (IASTCompletionContext) node;
}
node = node.getParent();
}
if (getLength() > 0) {
return this;
}
return null;
}
public IBinding[] findBindings(IASTName n, boolean isPrefix) {
IASTNode parent = getParent();
if (parent instanceof ICPPASTElaboratedTypeSpecifier) {
ICPPASTElaboratedTypeSpecifier specifier = (ICPPASTElaboratedTypeSpecifier) parent;
int kind = specifier.getKind();
switch (kind) {
case ICompositeType.k_struct:
case ICompositeType.k_union:
case ICPPASTElaboratedTypeSpecifier.k_class:
break;
default:
return null;
}
IBinding[] bindings = CPPSemantics.findBindingsForContentAssist(n, isPrefix);
return filterByElaboratedTypeSpecifier(kind, bindings);
}
else if (parent instanceof IASTDeclarator) {
IBinding[] bindings = CPPSemantics.findBindingsForContentAssist(n, isPrefix);
for (int i = 0; i < bindings.length; i++) {
if (bindings[i] instanceof ICPPNamespace || bindings[i] instanceof ICPPClassType) {
} else {
bindings[i] = null;
}
}
return (IBinding[])ArrayUtil.removeNulls(IBinding.class, bindings);
}
return null;
}
private IBinding[] filterByElaboratedTypeSpecifier(int kind, IBinding[] bindings) {
for (int i = 0; i < bindings.length; i++) {
if (bindings[i] instanceof ICPPNamespace) {
} else if (bindings[i] instanceof ICPPClassType) {
ICPPClassType type = (ICPPClassType) bindings[i];
try {
switch (type.getKey()) {
case ICompositeType.k_struct:
if (kind != ICompositeType.k_struct) {
bindings[i] = null;
}
break;
case ICompositeType.k_union:
if (kind != ICompositeType.k_union) {
bindings[i] = null;
}
break;
case ICPPClassType.k_class:
if (kind != ICPPASTElaboratedTypeSpecifier.k_class) {
bindings[i] = null;
}
break;
}
} catch (DOMException e) {
bindings[i] = null;
CCorePlugin.log(e);
}
} else {
bindings[i]= null;
}
}
return (IBinding[])ArrayUtil.removeNulls(IBinding.class, bindings);
}
@Override
public String toString() {
if (name.length == 0)
return ""; //$NON-NLS-1$
return new String(name);
}
public char[] toCharArray() {
return name;
}
public void setName(char[] name) {
assertNotFrozen();
this.name = name;
}
@Override
public boolean accept(ASTVisitor action) {
if (action.shouldVisitNames) {
switch (action.visit(this)) {
case ASTVisitor.PROCESS_ABORT:
return false;
case ASTVisitor.PROCESS_SKIP:
return true;
default:
break;
}
}
if (action.shouldVisitNames) {
switch (action.leave(this)) {
case ASTVisitor.PROCESS_ABORT:
return false;
case ASTVisitor.PROCESS_SKIP:
return true;
default:
break;
}
}
return true;
}
public int getRoleOfName(boolean allowResolution) {
IASTNode parent = getParent();
if (parent instanceof IASTInternalNameOwner) {
return ((IASTInternalNameOwner) parent).getRoleForName(this, allowResolution);
}
if (parent instanceof IASTNameOwner) {
return ((IASTNameOwner) parent).getRoleForName(this);
}
return IASTNameOwner.r_unclear;
}
public boolean isDeclaration() {
IASTNode parent = getParent();
if (parent instanceof IASTNameOwner) {
int role = ((IASTNameOwner) parent).getRoleForName(this);
switch (role) {
case IASTNameOwner.r_reference:
case IASTNameOwner.r_unclear:
return false;
default:
return true;
}
}
return false;
}
public boolean isReference() {
IASTNode parent = getParent();
if (parent instanceof IASTNameOwner) {
int role = ((IASTNameOwner) parent).getRoleForName(this);
switch (role) {
case IASTNameOwner.r_reference:
return true;
default:
return false;
}
}
return false;
}
public boolean isDefinition() {
IASTNode parent = getParent();
if (parent instanceof IASTNameOwner) {
int role = ((IASTNameOwner) parent).getRoleForName(this);
switch (role) {
case IASTNameOwner.r_definition:
return true;
default:
return false;
}
}
return false;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IASTName#getLinkage()
*/
public ILinkage getLinkage() {
return Linkage.CPP_LINKAGE;
}
}
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