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https://github.com/eclipse-cdt/cdt
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Bug 45203. Fixed a bug and added test for function calls with reference
parameters.
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parent
d9d69d49a2
commit
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2 changed files with 20 additions and 3 deletions
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@ -216,6 +216,20 @@ public class BindingClassifierTest extends OneSourceMultipleHeadersTestCase {
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assertDeclared("f");
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}
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// class A {};
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// void f(const A& p);
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// A& g();
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// void test() {
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// f(g());
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// }
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public void testFunctionCallWithReferenceParameter() throws Exception {
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IPreferenceStore preferenceStore = getPreferenceStore();
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preferenceStore.setValue(PreferenceConstants.FORWARD_DECLARE_FUNCTIONS, true);
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assertDefined();
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assertDeclared("f", "g");
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}
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// struct A {
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// A(const char* s);
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// };
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@ -165,16 +165,18 @@ public class BindingClassifier {
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IParameter[] parameters = function.getParameters();
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for (int i = 0; i < parameters.length && i < arguments.length; i++) {
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IType parameterType = parameters[i].getType();
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parameterType = getNestedType(parameterType, REF | ALLCVQ);
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IASTInitializerClause argument = arguments[i];
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if (parameterType instanceof IPointerType || parameterType instanceof ICPPReferenceType) {
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// The declared parameter type is a pointer or reference type. A declaration is
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// sufficient if it matches the actual parameter type.
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// sufficient if it matches the actual parameter type. We don't need to provide
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// a parameter declaration since it is a responsibility of the header declaring
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// the function.
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if (argument instanceof IASTExpression) {
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IType argumentType = ((IASTExpression) argument).getExpressionType();
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if (parameterType instanceof IPointerType && Conversions.isNullPointerConstant(argumentType)) {
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continue;
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}
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parameterType = getNestedType(parameterType, REF | ALLCVQ);
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argumentType = getNestedType(argumentType, REF | ALLCVQ);
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if (parameterType instanceof IPointerType && argumentType instanceof IPointerType) {
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@ -194,6 +196,7 @@ public class BindingClassifier {
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}
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// As a matter of policy, a header declaring the function is responsible for
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// defining parameter types that allow implicit conversion.
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parameterType = getNestedType(parameterType, REF | ALLCVQ);
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if (!(parameterType instanceof ICPPClassType) ||
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fAst.getDeclarationsInAST(function).length != 0 ||
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!hasConvertingConstructor((ICPPClassType) parameterType, argument)) {
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@ -430,7 +433,7 @@ public class BindingClassifier {
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return;
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if (fAst.getDefinitionsInAST(binding).length != 0)
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return; // Defined locally
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return; // Defined locally.
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List<IBinding> requiredBindings = getRequiredBindings(binding);
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for (IBinding requiredBinding : requiredBindings) {
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