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Fixed f.p. for gnu compound statement expression extension

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This commit is contained in:
Alena Laskavaia 2010-05-11 02:17:20 +00:00
parent 5f256a6889
commit 6882aa6e56
1 changed files with 15 additions and 1 deletions
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16
codan/org.eclipse.cdt.codan.checkers/src/org/eclipse/cdt/codan/internal/checkers/StatementHasNoEffectChecker.java
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@ -13,15 +13,18 @@ package org.eclipse.cdt.codan.internal.checkers;
import org.eclipse.cdt.codan.core.cxx.model.AbstractIndexAstChecker; import org.eclipse.cdt.codan.core.cxx.model.AbstractIndexAstChecker;
import org.eclipse.cdt.core.dom.ast.ASTVisitor; import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.IASTBinaryExpression; import org.eclipse.cdt.core.dom.ast.IASTBinaryExpression;
import org.eclipse.cdt.core.dom.ast.IASTCompoundStatement;
import org.eclipse.cdt.core.dom.ast.IASTExpression; import org.eclipse.cdt.core.dom.ast.IASTExpression;
import org.eclipse.cdt.core.dom.ast.IASTExpressionStatement; import org.eclipse.cdt.core.dom.ast.IASTExpressionStatement;
import org.eclipse.cdt.core.dom.ast.IASTIdExpression; import org.eclipse.cdt.core.dom.ast.IASTIdExpression;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTStatement; import org.eclipse.cdt.core.dom.ast.IASTStatement;
import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit; import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
import org.eclipse.cdt.core.dom.ast.IASTUnaryExpression; import org.eclipse.cdt.core.dom.ast.IASTUnaryExpression;
import org.eclipse.cdt.core.dom.ast.IBasicType; import org.eclipse.cdt.core.dom.ast.IBasicType;
import org.eclipse.cdt.core.dom.ast.IType; import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction; import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction;
import org.eclipse.cdt.core.dom.ast.gnu.IGNUASTCompoundStatementExpression;
import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPASTBinaryExpression; import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPASTBinaryExpression;
/** /**
@ -114,8 +117,19 @@ public class StatementHasNoEffectChecker extends AbstractIndexAstChecker {
} }
return true; return true;
} }
// simply a;
if (e instanceof IASTIdExpression) { if (e instanceof IASTIdExpression) {
// simply a; // check if it is part of GNU comp stmt expression i.e. ({foo();a;})
IASTNode parent = e.getParent();
if (parent instanceof IASTExpressionStatement) {
IASTNode parent2 = parent.getParent();
if (parent2 instanceof IASTCompoundStatement) {
IASTNode parent3 = parent2.getParent();
if (parent3 instanceof IGNUASTCompoundStatementExpression) {
return false;
}
}
}
return true; return true;
} }
return false; return false;