This revision was automatically updated to reflect the committed changes.
Closed by commit rL371820: [Clang][ASTImporter] Added visibility check for
FunctionTemplateDecl. (authored by balazske, committed by ).
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.
Changed prior to commit:
https://reviews.llvm.org/D67490?vs=219879&id=220047#toc
Repository:
rL LLVM
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D67490/new/
https://reviews.llvm.org/D67490
Files:
cfe/trunk/lib/AST/ASTImporter.cpp
cfe/trunk/unittests/AST/ASTImporterVisibilityTest.cpp
Index: cfe/trunk/lib/AST/ASTImporter.cpp
===================================================================
--- cfe/trunk/lib/AST/ASTImporter.cpp
+++ cfe/trunk/lib/AST/ASTImporter.cpp
@@ -5638,17 +5638,16 @@
continue;
if (auto *FoundTemplate = dyn_cast<FunctionTemplateDecl>(FoundDecl)) {
- if (FoundTemplate->hasExternalFormalLinkage() &&
- D->hasExternalFormalLinkage()) {
- if (IsStructuralMatch(D, FoundTemplate)) {
- FunctionTemplateDecl *TemplateWithDef =
- getTemplateDefinition(FoundTemplate);
- if (D->isThisDeclarationADefinition() && TemplateWithDef) {
- return Importer.MapImported(D, TemplateWithDef);
- }
- FoundByLookup = FoundTemplate;
- break;
- }
+ if (!hasSameVisibilityContext(FoundTemplate, D))
+ continue;
+ if (IsStructuralMatch(D, FoundTemplate)) {
+ FunctionTemplateDecl *TemplateWithDef =
+ getTemplateDefinition(FoundTemplate);
+ if (D->isThisDeclarationADefinition() && TemplateWithDef)
+ return Importer.MapImported(D, TemplateWithDef);
+
+ FoundByLookup = FoundTemplate;
+ break;
// TODO: handle conflicting names
}
}
Index: cfe/trunk/unittests/AST/ASTImporterVisibilityTest.cpp
===================================================================
--- cfe/trunk/unittests/AST/ASTImporterVisibilityTest.cpp
+++ cfe/trunk/unittests/AST/ASTImporterVisibilityTest.cpp
@@ -43,6 +43,12 @@
using DeclTy = TypedefNameDecl;
BindableMatcher<Decl> operator()() { return typedefNameDecl(hasName("T")); }
};
+struct GetFunTemplPattern {
+ using DeclTy = FunctionTemplateDecl;
+ BindableMatcher<Decl> operator()() {
+ return functionTemplateDecl(hasName("f"));
+ }
+};
// Values for the value-parameterized test fixtures.
// FunctionDecl:
@@ -64,6 +70,10 @@
const auto *AnonTypedef = "namespace { typedef int T; }";
const auto *ExternUsing = "using T = int;";
const auto *AnonUsing = "namespace { using T = int; }";
+// FunctionTemplateDecl:
+const auto *ExternFT = "template <class> void f();";
+const auto *StaticFT = "template <class> static void f();";
+const auto *AnonFT = "namespace { template <class> void f(); }";
// First value in tuple: Compile options.
// Second value in tuple: Source code to be used in the test.
@@ -108,6 +118,9 @@
using ImportFunctionsVisibilityChain = ImportVisibilityChain<GetFunPattern>;
using ImportVariablesVisibilityChain = ImportVisibilityChain<GetVarPattern>;
using ImportClassesVisibilityChain = ImportVisibilityChain<GetClassPattern>;
+using ImportFunctionTemplatesVisibilityChain =
+ ImportVisibilityChain<GetFunTemplPattern>;
+
// Value-parameterized test for functions.
TEST_P(ImportFunctionsVisibilityChain, ImportChain) {
TypedTest_ImportChain();
@@ -120,6 +133,10 @@
TEST_P(ImportClassesVisibilityChain, ImportChain) {
TypedTest_ImportChain();
}
+// Value-parameterized test for function templates.
+TEST_P(ImportFunctionTemplatesVisibilityChain, ImportChain) {
+ TypedTest_ImportChain();
+}
// Automatic instantiation of the value-parameterized tests.
INSTANTIATE_TEST_CASE_P(ParameterizedTests, ImportFunctionsVisibilityChain,
@@ -143,6 +160,11 @@
::testing::Combine(
DefaultTestValuesForRunOptions,
::testing::Values(ExternC, AnonC)), );
+INSTANTIATE_TEST_CASE_P(ParameterizedTests,
+ ImportFunctionTemplatesVisibilityChain,
+ ::testing::Combine(DefaultTestValuesForRunOptions,
+ ::testing::Values(ExternFT, StaticFT,
+ AnonFT)), );
// First value in tuple: Compile options.
// Second value in tuple: Tuple with informations for the test.
@@ -253,6 +275,7 @@
using ImportClassesVisibility = ImportVisibility<GetClassPattern>;
using ImportEnumsVisibility = ImportVisibility<GetEnumPattern>;
using ImportTypedefNameVisibility = ImportVisibility<GetTypedefNamePattern>;
+using ImportFunctionTemplatesVisibility = ImportVisibility<GetFunTemplPattern>;
// FunctionDecl.
TEST_P(ImportFunctionsVisibility, ImportAfter) {
@@ -289,6 +312,13 @@
TEST_P(ImportTypedefNameVisibility, ImportAfterImport) {
TypedTest_ImportAfterImportWithMerge();
}
+// FunctionTemplateDecl.
+TEST_P(ImportFunctionTemplatesVisibility, ImportAfter) {
+ TypedTest_ImportAfter();
+}
+TEST_P(ImportFunctionTemplatesVisibility, ImportAfterImport) {
+ TypedTest_ImportAfterImport();
+}
const bool ExpectLinkedDeclChain = true;
const bool ExpectUnlinkedDeclChain = false;
@@ -367,6 +397,20 @@
std::make_tuple(AnonTypedef, ExternUsing, ExpectUnlinkedDeclChain),
std::make_tuple(AnonTypedef, AnonUsing,
ExpectUnlinkedDeclChain))), );
+INSTANTIATE_TEST_CASE_P(
+ ParameterizedTests, ImportFunctionTemplatesVisibility,
+ ::testing::Combine(
+ DefaultTestValuesForRunOptions,
+ ::testing::Values(
+ std::make_tuple(ExternFT, ExternFT, ExpectLinkedDeclChain),
+ std::make_tuple(ExternFT, StaticFT, ExpectUnlinkedDeclChain),
+ std::make_tuple(ExternFT, AnonFT, ExpectUnlinkedDeclChain),
+ std::make_tuple(StaticFT, ExternFT, ExpectUnlinkedDeclChain),
+ std::make_tuple(StaticFT, StaticFT, ExpectUnlinkedDeclChain),
+ std::make_tuple(StaticFT, AnonFT, ExpectUnlinkedDeclChain),
+ std::make_tuple(AnonFT, ExternFT, ExpectUnlinkedDeclChain),
+ std::make_tuple(AnonFT, StaticFT, ExpectUnlinkedDeclChain),
+ std::make_tuple(AnonFT, AnonFT, ExpectUnlinkedDeclChain))), );
} // end namespace ast_matchers
} // end namespace clang
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