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Code Issues Wiki Activity

Fixed Bug 95720 [Ambiguity] Cast Expression ambiguity

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This commit is contained in:
John Camelon 2005-05-26 15:54:32 +00:00
parent 60679c4044
commit cf31ad398a
2 changed files with 20 additions and 0 deletions
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13
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2Tests.java
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@ -3006,6 +3006,19 @@ public class AST2Tests extends AST2BaseTest {
assertNoProblemBindings(nameResolver); assertNoProblemBindings(nameResolver);
} }
public void testBug95720() throws Exception {
StringBuffer buffer = new StringBuffer();
buffer.append( "void func() {\n" );
buffer.append( " int i=0;\n" );
buffer.append( "i= i&0x00ff;\n" );
buffer.append( "i= (i)&0x00ff;\n" );
buffer.append( "}\n" );
IASTTranslationUnit tu = parse( buffer.toString(), ParserLanguage.C );
CNameCollector nameResolver = new CNameCollector();
tu.accept(nameResolver);
assertNoProblemBindings(nameResolver);
}
protected void assertNoProblemBindings(CNameCollector col) { protected void assertNoProblemBindings(CNameCollector col) {
Iterator i = col.nameList.iterator(); Iterator i = col.nameList.iterator();
while (i.hasNext()) { while (i.hasNext()) {

7
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/AbstractGNUSourceCodeParser.java
View file

@ -37,6 +37,7 @@ import org.eclipse.cdt.core.dom.ast.IASTGotoStatement;
import org.eclipse.cdt.core.dom.ast.IASTIdExpression; import org.eclipse.cdt.core.dom.ast.IASTIdExpression;
import org.eclipse.cdt.core.dom.ast.IASTIfStatement; import org.eclipse.cdt.core.dom.ast.IASTIfStatement;
import org.eclipse.cdt.core.dom.ast.IASTLabelStatement; import org.eclipse.cdt.core.dom.ast.IASTLabelStatement;
import org.eclipse.cdt.core.dom.ast.IASTLiteralExpression;
import org.eclipse.cdt.core.dom.ast.IASTName; import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTNamedTypeSpecifier; import org.eclipse.cdt.core.dom.ast.IASTNamedTypeSpecifier;
import org.eclipse.cdt.core.dom.ast.IASTNode; import org.eclipse.cdt.core.dom.ast.IASTNode;
@ -894,8 +895,14 @@ public abstract class AbstractGNUSourceCodeParser implements ISourceCodeParser {
protected IASTExpression unaryOperatorCastExpression(int operator) protected IASTExpression unaryOperatorCastExpression(int operator)
throws EndOfFileException, BacktrackException { throws EndOfFileException, BacktrackException {
IToken mark = mark();
int offset = consume().getOffset(); int offset = consume().getOffset();
IASTExpression castExpression = castExpression(); IASTExpression castExpression = castExpression();
if( castExpression instanceof IASTLiteralExpression && operator == IASTUnaryExpression.op_amper )
{
backup( mark );
throwBacktrack( mark );
}
return buildUnaryExpression(operator, castExpression, offset, return buildUnaryExpression(operator, castExpression, offset,
calculateEndOffset(castExpression)); calculateEndOffset(castExpression));
} }