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/*******************************************************************************
* Copyright (c) 2004, 2014 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:
* Andrew Niefer (IBM Corporation) - 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.DOMException;
import org.eclipse.cdt.core.dom.ast.EScopeKind;
import org.eclipse.cdt.core.dom.ast.IASTCompositeTypeSpecifier;
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.ISemanticProblem;
import org.eclipse.cdt.core.dom.ast.c.ICASTCompositeTypeSpecifier;
import org.eclipse.cdt.core.dom.ast.c.ICCompositeTypeScope;
import org.eclipse.cdt.core.parser.util.ArrayUtil;
import org.eclipse.cdt.internal.core.dom.parser.ASTInternal;
import org.eclipse.cdt.internal.core.dom.parser.ASTQueries;
/**
* Implementation of scope for structs and unions.
*/
public class CCompositeTypeScope extends CScope implements ICCompositeTypeScope {
public CCompositeTypeScope(ICASTCompositeTypeSpecifier compTypeSpec) {
super(compTypeSpec, EScopeKind.eClassType);
}
@Override
public IBinding getBinding(char[] name) {
return super.getBinding(NAMESPACE_TYPE_OTHER, name);
}
@Override
public IBinding[] find(String name) {
CollectNamesAction action = new CollectNamesAction(name.toCharArray());
getPhysicalNode().accept(action);
IASTName[] names = action.getNames();
IBinding[] result = null;
for (IASTName astName : names) {
IBinding b = astName.resolveBinding();
if (b == null) continue;
try {
if (b.getScope() == this)
result = ArrayUtil.append(IBinding.class, result, b);
} catch (DOMException e) {
}
}
return ArrayUtil.trim(IBinding.class, result);
}
@Override
public ICompositeType getCompositeType() {
ICASTCompositeTypeSpecifier compSpec = (ICASTCompositeTypeSpecifier) getPhysicalNode();
IBinding binding = compSpec.getName().resolveBinding();
if (binding instanceof ICompositeType)
return (ICompositeType) binding;
return new CStructure.CStructureProblem(compSpec.getName(), ISemanticProblem.BINDING_NO_CLASS, compSpec.getName().toCharArray());
}
@Override
protected void doPopulateCache() {
ICASTCompositeTypeSpecifier compSpec = (ICASTCompositeTypeSpecifier) getPhysicalNode();
ICASTCompositeTypeSpecifier[] specStack = null;
int stackIdx = -1;
IASTDeclaration[] members = compSpec.getMembers();
while (members != null) {
int size = members.length;
for (int i = 0; i < size; i++) {
IASTNode node = members[i];
if (node instanceof IASTSimpleDeclaration) {
IASTDeclarator[] declarators = ((IASTSimpleDeclaration) node).getDeclarators();
for (IASTDeclarator declarator : declarators) {
IASTName dtorName = ASTQueries.findInnermostDeclarator(declarator).getName();
ASTInternal.addName(this, dtorName);
}
// anonymous structures and unions
if (declarators.length == 0 && ((IASTSimpleDeclaration) node).getDeclSpecifier() instanceof IASTCompositeTypeSpecifier) {
ICASTCompositeTypeSpecifier declSpec = (ICASTCompositeTypeSpecifier) ((IASTSimpleDeclaration) node).getDeclSpecifier();
IASTName n = declSpec.getName();
if (n.toCharArray().length == 0) {
specStack = ArrayUtil.append(ICASTCompositeTypeSpecifier.class, specStack, declSpec);
}
}
}
}
if (specStack != null && ++stackIdx < specStack.length && specStack[stackIdx] != null) {
members = specStack[stackIdx].getMembers();
} else {
members = null;
}
}
}
}
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