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Bug 531172 - Avoid ClassCastException in CPPSemantics.declaredBefore()

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Change-Id: Iddda8bab86e9567b8e0c877562b48defb187656f
This commit is contained in:
Nathan Ridge 2018-02-24 01:44:05 -05:00
parent af73a4ed1a
commit bdc212ec05
3 changed files with 29 additions and 2 deletions
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7
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java
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@ -244,6 +244,7 @@ import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPTemplates.TypeS
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.Conversions.Context;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.Conversions.UDCMode;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.Cost.Rank;
import org.eclipse.cdt.internal.core.pdom.dom.IPDOMAdaptedASTNode;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
@ -2028,7 +2029,11 @@ public class CPPSemantics {
}
public static boolean declaredBefore(Object obj, IASTNode node, boolean indexBased) {
if (node == null)
if (node instanceof IPDOMAdaptedASTNode) {
// Get the underlying ASTNode.
node = ((IPDOMAdaptedASTNode) node).getDelegate();
}
if (!(node instanceof ASTNode))
return true;
// The pointOfRef and pointOfDecl variables contain node offsets scaled by a factor of two.

17
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/IPDOMAdaptedASTNode.java Normal file
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@ -0,0 +1,17 @@
/*******************************************************************************
* Copyright (c) 2017 Nathan Ridge.
* 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
*******************************************************************************/
package org.eclipse.cdt.internal.core.pdom.dom;
import org.eclipse.cdt.core.dom.ast.IASTNode;
/**
* Interface for AST nodes created by PDOMASTAdapter.
*/
public interface IPDOMAdaptedASTNode extends IASTNode {
IASTNode getDelegate();
}

7
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMASTAdapter.java
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@ -51,7 +51,7 @@ import org.eclipse.cdt.core.parser.IToken;
import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPInternalBinding;
public class PDOMASTAdapter {
private static class AnonymousASTName implements IASTName {
private static class AnonymousASTName implements IASTName, IPDOMAdaptedASTNode {
private IASTName fDelegate;
private IASTFileLocation fLocation;
@ -292,6 +292,11 @@ public class PDOMASTAdapter {
public IASTNode getOriginalNode() {
return this;
}
@Override
public IASTNode getDelegate() {
return fDelegate;
}
}
private static class AnonymousEnumeration implements IEnumeration {