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Bug 501623 - ClassCastException in EvalMemberAccess.getValue

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Change-Id: Ib9177f2bd2f9d9d005397b72d6d0274cb3e2605f
This commit is contained in:
Sergey Prigogin 2016-09-16 20:24:31 -07:00
parent ee1d72c7f8
commit 898ce2245b
1 changed files with 10 additions and 6 deletions
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16
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalMemberAccess.java
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@ -23,8 +23,6 @@ import static org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUti
import static org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil.TDEF;
import static org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil.getUltimateTypeUptoPointers;
import java.util.Collection;
import org.eclipse.cdt.core.dom.ast.IASTExpression.ValueCategory;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTUnaryExpression;
@ -58,6 +56,8 @@ import org.eclipse.cdt.internal.core.dom.parser.cpp.OverloadableOperator;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPSemantics.LookupMode;
import org.eclipse.core.runtime.CoreException;
import java.util.Collection;
public class EvalMemberAccess extends CPPDependentEvaluation {
private final IType fOwnerType;
private final IBinding fMember;
@ -300,14 +300,18 @@ public class EvalMemberAccess extends CPPDependentEvaluation {
public IValue getValue(IASTNode point) {
if (fOwnerEval != null) {
int fieldPos = CPPASTFieldReference.getFieldPosition(fMember, fOwnerType);
CompositeValue compValue = (CompositeValue) fOwnerEval.getValue(point);
ICPPEvaluation field = compValue.getSubValue(fieldPos);
if(field != null) {
return field.getValue(point);
IValue ownerValue = fOwnerEval.getValue(point);
if (ownerValue instanceof CompositeValue) {
CompositeValue compValue = (CompositeValue) ownerValue;
ICPPEvaluation field = compValue.getSubValue(fieldPos);
if (field != null) {
return field.getValue(point);
}
} else {
return IntegralValue.UNKNOWN;
}
}
if (fMember instanceof IEnumerator) {
return ((IEnumerator) fMember).getValue();
}