mirror of
https://github.com/eclipse-cdt/cdt
synced 2025-04-29 19:45:01 +02:00
Partial fix for cast-ambiguity, bug 211756.
This commit is contained in:
Markus Schorn
parent
ea7f5375cd
commit
495735b5e3
2 changed files with 122 additions and 66 deletions
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@ -5687,4 +5687,25 @@ public class AST2CPPTests extends AST2BaseTest {
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IBinding b= bh.assertNonProblem("a=", 1);
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assertEquals("x", b.getScope().getScopeName().toString());
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}
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// class Test {
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// public:
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// Test(int, int *) {}
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// Test(int *) {}
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// };
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// void test () {
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// int bar= 0;
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// int * pBar = &bar;
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// Test foo1 (bar, &bar);
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// Test foo2 (bar, pBar);
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// Test foo3 (&bar);
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// }
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public void testCastAmbiguity_Bug211756() throws Exception {
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BindingAssertionHelper bh= new BindingAssertionHelper(getContents(1)[0].toString(), true);
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bh.assertNonProblem("foo1", 4);
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bh.assertNonProblem("foo2", 4);
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bh.assertNonProblem("foo3", 4);
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}
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}
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@ -1,5 +1,5 @@
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/*******************************************************************************
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* Copyright (c) 2002, 2007 IBM Corporation and others.
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* Copyright (c) 2002, 2008 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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@ -666,6 +666,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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* @param expression
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* @throws BacktrackException
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*/
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@Override
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protected IASTExpression assignmentExpression() throws EndOfFileException,
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BacktrackException {
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if (LT(1) == IToken.t_throw) {
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@ -751,6 +752,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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* @param expression
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* @throws BacktrackException
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*/
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@Override
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protected IASTExpression relationalExpression() throws BacktrackException, EndOfFileException {
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IASTExpression firstExpression = shiftExpression();
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@ -823,6 +825,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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* @param expression
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* @throws BacktrackException
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*/
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@Override
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protected IASTExpression multiplicativeExpression() throws BacktrackException, EndOfFileException {
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IASTExpression firstExpression = pmExpression();
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for (;;) {
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@ -889,6 +892,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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/**
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* castExpression : unaryExpression | "(" typeId ")" castExpression
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*/
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@Override
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protected IASTExpression castExpression() throws EndOfFileException, BacktrackException {
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// TO DO: we need proper symbol checkint to ensure type name
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if (LT(1) == IToken.tLPAREN) {
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@ -946,6 +950,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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/**
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* @throws BacktrackException
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*/
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@Override
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protected IASTTypeId typeId(boolean forNewExpression) throws EndOfFileException {
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if (!canBeTypeSpecifier()) {
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return null;
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@ -1310,6 +1315,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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* @param expression
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* @throws BacktrackException
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*/
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@Override
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protected IASTExpression unaryExpression() throws EndOfFileException,
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BacktrackException {
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switch (LT(1)) {
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@ -1616,6 +1622,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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}
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}
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@Override
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protected IASTAmbiguousExpression createAmbiguousExpression() {
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return new CPPASTAmbiguousExpression();
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}
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@ -1773,6 +1780,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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/**
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* @return
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*/
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@Override
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protected IASTIdExpression createIdExpression() {
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return new CPPASTIdExpression();
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}
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@ -2307,6 +2315,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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* @throws BacktrackException
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* request a backtrack
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*/
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@Override
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protected IASTDeclaration declaration() throws EndOfFileException, BacktrackException {
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switch (LT(1)) {
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case IToken.t_asm:
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@ -2366,23 +2375,8 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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}
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if (sd.getDeclarators()[0] instanceof IASTStandardFunctionDeclarator) {
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IASTStandardFunctionDeclarator fd = (IASTStandardFunctionDeclarator) sd.getDeclarators()[0];
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if (sd.getDeclSpecifier().getStorageClass() == IASTDeclSpecifier.sc_typedef)
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return d1;
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IASTParameterDeclaration[] parms = fd.getParameters();
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for (int i = 0; i < parms.length; ++i) {
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if (!(parms[i].getDeclSpecifier() instanceof IASTNamedTypeSpecifier))
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return d1;
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IASTDeclarator d = parms[i].getDeclarator();
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if (d == null) // must be an EOC
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return d1;
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if (((ASTNode)d.getName()).getLength() > 0)
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return d1;
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while (d.getNestedDeclarator() != null)
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d = d.getNestedDeclarator();
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if (((ASTNode) d.getName()).getLength() > 0)
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return d1;
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}
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} else
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return d1;
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}
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@ -2831,6 +2825,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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}
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@Override
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protected IASTSimpleDeclaration createSimpleDeclaration() {
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return new CPPASTSimpleDeclaration();
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}
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@ -3349,6 +3344,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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}
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@Override
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protected IASTNamedTypeSpecifier createNamedTypeSpecifier() {
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return new CPPASTNamedTypeSpecifier();
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}
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@ -3400,6 +3396,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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return new CPPASTElaboratedTypeSpecifier();
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}
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@Override
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protected IASTDeclarator initDeclarator() throws EndOfFileException, BacktrackException {
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return initDeclarator(SimpleDeclarationStrategy.TRY_FUNCTION);
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}
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@ -4277,6 +4274,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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* This is the top-level entry point into the ANSI C++ grammar.
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* translationUnit : (declaration)*
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*/
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@Override
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protected void translationUnit() {
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try {
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translationUnit = createTranslationUnit();
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@ -4384,34 +4382,42 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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return new CPPASTArrayModifier();
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}
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@Override
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protected IASTTranslationUnit getTranslationUnit() {
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return translationUnit;
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}
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@Override
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protected IASTCompoundStatement createCompoundStatement() {
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return new CPPASTCompoundStatement();
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}
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@Override
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protected IASTBinaryExpression createBinaryExpression() {
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return new CPPASTBinaryExpression();
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}
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@Override
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protected IASTConditionalExpression createConditionalExpression() {
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return new CPPASTConditionalExpression();
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}
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@Override
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protected IASTUnaryExpression createUnaryExpression() {
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return new CPPASTUnaryExpression();
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}
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@Override
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protected IGNUASTCompoundStatementExpression createCompoundStatementExpression() {
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return new CPPASTCompoundStatementExpression();
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}
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@Override
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protected IASTExpressionList createExpressionList() {
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return new CPPASTExpressionList();
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}
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@Override
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protected IASTName createName(IToken token) {
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IASTName n = null;
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@ -4432,15 +4438,18 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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return n;
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}
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@Override
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protected IASTName createName() {
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return new CPPASTName();
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}
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@Override
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protected IASTEnumerator createEnumerator() {
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return new CPPASTEnumerator();
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}
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@Override
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protected IASTExpression buildTypeIdExpression(int op, IASTTypeId typeId,
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int startingOffset, int endingOffset) {
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ICPPASTTypeIdExpression typeIdExpression = createTypeIdExpression();
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@ -4455,18 +4464,22 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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return new CPPASTTypeIdExpression();
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}
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@Override
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protected IASTEnumerationSpecifier createEnumerationSpecifier() {
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return new CPPASTEnumerationSpecifier();
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}
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@Override
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protected IASTLabelStatement createLabelStatement() {
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return new CPPASTLabelStatement();
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}
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@Override
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protected IASTGotoStatement createGoToStatement() {
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return new CPPASTGotoStatement();
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}
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@Override
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protected IASTReturnStatement createReturnStatement() {
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return new CPPASTReturnStatement();
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}
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@ -4475,22 +4488,27 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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return new CPPASTForStatement();
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}
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@Override
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protected IASTContinueStatement createContinueStatement() {
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return new CPPASTContinueStatement();
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}
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@Override
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protected IASTDoStatement createDoStatement() {
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return new CPPASTDoStatement();
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}
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@Override
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protected IASTBreakStatement createBreakStatement() {
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return new CPPASTBreakStatement();
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}
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@Override
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protected IASTWhileStatement createWhileStatement() {
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return new CPPASTWhileStatement();
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}
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@Override
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protected IASTNullStatement createNullStatement() {
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return new CPPASTNullStatement();
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}
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@ -4503,30 +4521,37 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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return new CPPASTIfStatement();
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}
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@Override
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protected IASTDefaultStatement createDefaultStatement() {
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return new CPPASTDefaultStatement();
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}
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@Override
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protected IASTCaseStatement createCaseStatement() {
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return new CPPASTCaseStatement();
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}
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@Override
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protected IASTExpressionStatement createExpressionStatement() {
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return new CPPASTExpressionStatement();
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}
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@Override
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protected IASTDeclarationStatement createDeclarationStatement() {
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return new CPPASTDeclarationStatement();
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}
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@Override
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protected IASTASMDeclaration createASMDirective() {
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return new CPPASTASMDeclaration();
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}
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@Override
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protected IASTCastExpression createCastExpression() {
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return new CPPASTCastExpression();
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}
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@Override
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protected IASTStatement statement() throws EndOfFileException,
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BacktrackException {
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@ -4602,18 +4627,22 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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return new CPPASTTryBlockStatement();
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}
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@Override
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protected void nullifyTranslationUnit() {
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translationUnit = null;
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}
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@Override
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protected IASTProblemStatement createProblemStatement() {
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return new CPPASTProblemStatement();
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}
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@Override
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protected IASTProblemExpression createProblemExpression() {
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return new CPPASTProblemExpression();
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}
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@Override
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protected IASTProblem createProblem(int signal, int offset, int length) {
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IASTProblem result = new CPPASTProblem(signal, EMPTY_STRING, false, true);
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((ASTNode) result).setOffsetAndLength(offset, length);
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@ -4622,6 +4651,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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}
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@Override
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protected IASTStatement parseWhileStatement() throws EndOfFileException, BacktrackException {
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int startOffset = consume().getOffset();
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consume(IToken.tLPAREN);
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@ -4696,10 +4726,12 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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private int functionBodyCount;
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@Override
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protected ASTVisitor createVisitor() {
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return EMPTY_VISITOR;
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}
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@Override
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protected IASTAmbiguousStatement createAmbiguousStatement() {
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return new CPPASTAmbiguousStatement();
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}
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@ -4815,6 +4847,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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return result;
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}
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@Override
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protected void checkTokenVsDeclarator(IToken la, IASTDeclarator d) throws FoundDeclaratorException {
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switch (la.getType()) {
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case IToken.tCOLON:
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@ -4825,6 +4858,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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}
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}
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@Override
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protected IASTStatement functionBody() throws EndOfFileException, BacktrackException {
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++functionBodyCount;
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IASTStatement s = super.functionBody();
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@ -4832,6 +4866,7 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
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return s;
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}
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@Override
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protected IASTDeclaration simpleDeclaration() throws BacktrackException, EndOfFileException {
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return simpleDeclarationStrategyUnion();
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}
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