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| author | Haojian Wu <hokein.wu@gmail.com> | 2024-04-29 18:59:03 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-04-29 18:59:03 +0200 |
| commit | 99df06ac71b12bc5a38240e71cfc37383687b48e (patch) | |
| tree | d3f085d0df47362167d1c6b5bb0468058ffb28c9 | |
| parent | 5b1cc58b3c72f51b8a1ce27e5fba15783d447d7c (diff) | |
| download | llvm-99df06ac71b12bc5a38240e71cfc37383687b48e.zip llvm-99df06ac71b12bc5a38240e71cfc37383687b48e.tar.gz llvm-99df06ac71b12bc5a38240e71cfc37383687b48e.tar.bz2 | |
[AST] Dump explicit template arguments for UnreslovedLookupExpr. (#90466)
Having them dump is useful for ad-hoc debugging (context:
https://github.com/llvm/llvm-project/issues/90046)
| -rw-r--r-- | clang/include/clang/AST/ASTNodeTraverser.h | 6 | ||||
| -rw-r--r-- | clang/test/AST/ast-dump-template-json-win32-mangler-crash.cpp | 88 | ||||
| -rw-r--r-- | clang/test/AST/ast-dump-templates.cpp | 14 |
3 files changed, 108 insertions, 0 deletions
diff --git a/clang/include/clang/AST/ASTNodeTraverser.h b/clang/include/clang/AST/ASTNodeTraverser.h index 216dc9e..bf7c204 100644 --- a/clang/include/clang/AST/ASTNodeTraverser.h +++ b/clang/include/clang/AST/ASTNodeTraverser.h @@ -844,6 +844,12 @@ public: } } + void VisitUnresolvedLookupExpr(const UnresolvedLookupExpr *E) { + if (E->hasExplicitTemplateArgs()) + for (auto Arg : E->template_arguments()) + Visit(Arg.getArgument()); + } + void VisitRequiresExpr(const RequiresExpr *E) { for (auto *D : E->getLocalParameters()) Visit(D); diff --git a/clang/test/AST/ast-dump-template-json-win32-mangler-crash.cpp b/clang/test/AST/ast-dump-template-json-win32-mangler-crash.cpp index cf74051..5ac55d2 100644 --- a/clang/test/AST/ast-dump-template-json-win32-mangler-crash.cpp +++ b/clang/test/AST/ast-dump-template-json-win32-mangler-crash.cpp @@ -1846,6 +1846,42 @@ int main() // CHECK-NEXT: "kind": "VarTemplateDecl", // CHECK-NEXT: "name": "is_const_v" // CHECK-NEXT: } +// CHECK-NEXT: ], +// CHECK-NEXT: "inner": [ +// CHECK-NEXT: { +// CHECK-NEXT: "kind": "TemplateArgument", +// CHECK-NEXT: "type": { +// CHECK-NEXT: "qualType": "const _Ty" +// CHECK-NEXT: }, +// CHECK-NEXT: "inner": [ +// CHECK-NEXT: { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "QualType", +// CHECK-NEXT: "type": { +// CHECK-NEXT: "qualType": "const _Ty" +// CHECK-NEXT: }, +// CHECK-NEXT: "qualifiers": "const", +// CHECK-NEXT: "inner": [ +// CHECK-NEXT: { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "TemplateTypeParmType", +// CHECK-NEXT: "type": { +// CHECK-NEXT: "qualType": "_Ty" +// CHECK-NEXT: }, +// CHECK-NEXT: "isDependent": true, +// CHECK-NEXT: "isInstantiationDependent": true, +// CHECK-NEXT: "depth": 0, +// CHECK-NEXT: "index": 0, +// CHECK-NEXT: "decl": { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "TemplateTypeParmDecl", +// CHECK-NEXT: "name": "_Ty" +// CHECK-NEXT: } +// CHECK-NEXT: } +// CHECK-NEXT: ] +// CHECK-NEXT: } +// CHECK-NEXT: ] +// CHECK-NEXT: } // CHECK-NEXT: ] // CHECK-NEXT: } // CHECK-NEXT: ] @@ -1900,6 +1936,32 @@ int main() // CHECK-NEXT: "kind": "VarTemplateDecl", // CHECK-NEXT: "name": "is_reference_v" // CHECK-NEXT: } +// CHECK-NEXT: ], +// CHECK-NEXT: "inner": [ +// CHECK-NEXT: { +// CHECK-NEXT: "kind": "TemplateArgument", +// CHECK-NEXT: "type": { +// CHECK-NEXT: "qualType": "_Ty" +// CHECK-NEXT: }, +// CHECK-NEXT: "inner": [ +// CHECK-NEXT: { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "TemplateTypeParmType", +// CHECK-NEXT: "type": { +// CHECK-NEXT: "qualType": "_Ty" +// CHECK-NEXT: }, +// CHECK-NEXT: "isDependent": true, +// CHECK-NEXT: "isInstantiationDependent": true, +// CHECK-NEXT: "depth": 0, +// CHECK-NEXT: "index": 0, +// CHECK-NEXT: "decl": { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "TemplateTypeParmDecl", +// CHECK-NEXT: "name": "_Ty" +// CHECK-NEXT: } +// CHECK-NEXT: } +// CHECK-NEXT: ] +// CHECK-NEXT: } // CHECK-NEXT: ] // CHECK-NEXT: } // CHECK-NEXT: ] @@ -2565,6 +2627,32 @@ int main() // CHECK-NEXT: "kind": "VarTemplateDecl", // CHECK-NEXT: "name": "is_function_v" // CHECK-NEXT: } +// CHECK-NEXT: ], +// CHECK-NEXT: "inner": [ +// CHECK-NEXT: { +// CHECK-NEXT: "kind": "TemplateArgument", +// CHECK-NEXT: "type": { +// CHECK-NEXT: "qualType": "_Ty1" +// CHECK-NEXT: }, +// CHECK-NEXT: "inner": [ +// CHECK-NEXT: { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "TemplateTypeParmType", +// CHECK-NEXT: "type": { +// CHECK-NEXT: "qualType": "_Ty1" +// CHECK-NEXT: }, +// CHECK-NEXT: "isDependent": true, +// CHECK-NEXT: "isInstantiationDependent": true, +// CHECK-NEXT: "depth": 0, +// CHECK-NEXT: "index": 0, +// CHECK-NEXT: "decl": { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "TemplateTypeParmDecl", +// CHECK-NEXT: "name": "_Ty1" +// CHECK-NEXT: } +// CHECK-NEXT: } +// CHECK-NEXT: ] +// CHECK-NEXT: } // CHECK-NEXT: ] // CHECK-NEXT: } // CHECK-NEXT: ] diff --git a/clang/test/AST/ast-dump-templates.cpp b/clang/test/AST/ast-dump-templates.cpp index d25ef36..9fcafbc 100644 --- a/clang/test/AST/ast-dump-templates.cpp +++ b/clang/test/AST/ast-dump-templates.cpp @@ -104,3 +104,17 @@ void (*q)() = f<>; // CHECK1: template<> void f<0L>() // CHECK1: template<> void f<0U>() } + +namespace test6 { +template <class D> +constexpr bool C = true; + +template <class Key> +void func() { + C<Key>; +// DUMP: UnresolvedLookupExpr {{.*}} '<dependent type>' lvalue (no ADL) = 'C' +// DUMP-NEXT: `-TemplateArgument type 'Key' +// DUMP-NEXT: `-TemplateTypeParmType {{.*}} 'Key' dependent depth 0 index 0 +// DUMP-NEXT: `-TemplateTypeParm {{.*}} 'Key' +} +} |