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Bug 485806 - Name resolution problem with a parameter pack

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Change-Id: I41aa69fd2f8bdc5a450ed941146de03e49590a90
This commit is contained in:
Sergey Prigogin 2016-01-14 16:36:40 -08:00
parent 751b2e3e1d
commit df4865a9d3
2 changed files with 26 additions and 0 deletions
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22
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java
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@ -8189,6 +8189,28 @@ public class AST2TemplateTests extends AST2TestBase {
parseAndCheckBindings(); parseAndCheckBindings();
} }
// template <int... Is> struct A {
// typedef A t;
// };
//
// template <class P, int I> struct B;
//
// template <int... Is, int I>
// struct B<A<Is...>, I> : A<Is..., I> {};
//
// template <typename, typename = void>
// struct prober {};
//
// template <typename T>
// struct prober<A<0>, T> {
// typedef T t;
// };
//
// prober<B<A<>, 0>::t>::t g();
public void testParameterPack_485806() throws Exception {
parseAndCheckBindings();
}
// template <typename... Args> // template <typename... Args>
// void waldo(Args...); // void waldo(Args...);
// //

4
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalFixed.java
View file

@ -19,6 +19,7 @@ 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.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.ICPPParameterPackType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameterMap; import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameterMap;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTypeSpecialization; import org.eclipse.cdt.core.dom.ast.cpp.ICPPTypeSpecialization;
import org.eclipse.cdt.internal.core.dom.parser.ISerializableEvaluation; import org.eclipse.cdt.internal.core.dom.parser.ISerializableEvaluation;
@ -182,6 +183,9 @@ public class EvalFixed extends CPPEvaluation {
// propagate that error. // propagate that error.
if (value == Value.ERROR) if (value == Value.ERROR)
return EvalFixed.INCOMPLETE; return EvalFixed.INCOMPLETE;
// Resolve the parameter pack type to the underlying type if the instantiated value is not dependent.
if (type instanceof ICPPParameterPackType && value.numericalValue() != null)
type = ((ICPPParameterPackType) type).getType();
return new EvalFixed(type, fValueCategory, value); return new EvalFixed(type, fValueCategory, value);
} }