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Bug 509497 - ArrayIndexOutOfBoundsException in EvalCompositeAccess.getType()

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Change-Id: I9f72d7b0dcf1436c2b1e0f7780556906266a11a5
This commit is contained in:
Nathan Ridge 2016-12-20 18:11:38 -05:00
parent 9cfde14e8f
commit b850913c5d
1 changed files with 15 additions and 2 deletions
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17
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalCompositeAccess.java
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@ -16,6 +16,8 @@ import org.eclipse.cdt.core.dom.ast.IASTExpression.ValueCategory;
import org.eclipse.cdt.core.dom.ast.IASTNode; import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IArrayType; import org.eclipse.cdt.core.dom.ast.IArrayType;
import org.eclipse.cdt.core.dom.ast.IBinding; import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IField;
import org.eclipse.cdt.core.dom.ast.ISemanticProblem;
import org.eclipse.cdt.core.dom.ast.IType; import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.IValue; import org.eclipse.cdt.core.dom.ast.IValue;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPBasicType; import org.eclipse.cdt.core.dom.ast.cpp.ICPPBasicType;
@ -23,6 +25,7 @@ import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameterMap; import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameterMap;
import org.eclipse.cdt.internal.core.dom.parser.ISerializableEvaluation; import org.eclipse.cdt.internal.core.dom.parser.ISerializableEvaluation;
import org.eclipse.cdt.internal.core.dom.parser.ITypeMarshalBuffer; import org.eclipse.cdt.internal.core.dom.parser.ITypeMarshalBuffer;
import org.eclipse.cdt.internal.core.dom.parser.ProblemType;
import org.eclipse.cdt.internal.core.dom.parser.cpp.ClassTypeHelper; import org.eclipse.cdt.internal.core.dom.parser.cpp.ClassTypeHelper;
import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPEvaluation; import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPEvaluation;
import org.eclipse.cdt.internal.core.dom.parser.cpp.InstantiationContext; import org.eclipse.cdt.internal.core.dom.parser.cpp.InstantiationContext;
@ -85,10 +88,20 @@ public final class EvalCompositeAccess implements ICPPEvaluation {
return arrayType.getType(); return arrayType.getType();
} else if (type instanceof InitializerListType) { } else if (type instanceof InitializerListType) {
InitializerListType initListType = (InitializerListType) type; InitializerListType initListType = (InitializerListType) type;
return initListType.getEvaluation().getClauses()[elementId].getType(point); ICPPEvaluation[] clauses = initListType.getEvaluation().getClauses();
if (elementId >= 0 && elementId < clauses.length) {
return clauses[elementId].getType(point);
} else {
return new ProblemType(ISemanticProblem.TYPE_UNKNOWN_FOR_EXPRESSION);
}
} else if (type instanceof ICPPClassType) { } else if (type instanceof ICPPClassType) {
ICPPClassType classType = (ICPPClassType) type; ICPPClassType classType = (ICPPClassType) type;
return ClassTypeHelper.getFields(classType, point)[elementId].getType(); IField[] fields = ClassTypeHelper.getFields(classType, point);
if (elementId >= 0 && elementId < fields.length) {
return fields[elementId].getType();
} else {
return new ProblemType(ISemanticProblem.TYPE_UNKNOWN_FOR_EXPRESSION);
}
} else if (type instanceof ParameterPackType) { } else if (type instanceof ParameterPackType) {
ParameterPackType parameterPackType = (ParameterPackType) type; ParameterPackType parameterPackType = (ParameterPackType) type;
return parameterPackType.getTypes()[elementId]; return parameterPackType.getTypes()[elementId];