[PATCH] D85108: [clang] Include trailing-requires-clause in FunctionDecl's source range

[Nathan Ridge via Phabricator via cfe-commits]

nridge created this revision.
nridge added a reviewer: hokein.
Herald added subscribers: cfe-commits, usaxena95, kadircet, arphaman, jkorous.
Herald added a project: clang.
nridge requested review of this revision.
Herald added a subscriber: ilya-biryukov.

Fixes https://github.com/clangd/clangd/issues/476


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D85108

Files:
  clang-tools-extra/clangd/unittests/FindTargetTests.cpp
  clang/include/clang/Sema/DeclSpec.h
  clang/test/AST/ast-dump-concepts.cpp


Index: clang/test/AST/ast-dump-concepts.cpp
===================================================================
--- clang/test/AST/ast-dump-concepts.cpp
+++ clang/test/AST/ast-dump-concepts.cpp
@@ -24,4 +24,8 @@
   // CHECK-NEXT: `-ConceptSpecializationExpr {{.*}} <col:13> 'bool'
   template <unary_concept R>
   Foo(R);
+
+  // CHECK:      FunctionTemplateDecl {{.*}} <line:29:3, line:30:34> {{.*}} 
Foo<T>
+  template <typename R>
+  Foo(R) requires unary_concept<R>;
 };
Index: clang/include/clang/Sema/DeclSpec.h
===================================================================
--- clang/include/clang/Sema/DeclSpec.h
+++ clang/include/clang/Sema/DeclSpec.h
@@ -2439,6 +2439,8 @@
   /// \brief Sets a trailing requires clause for this declarator.
   void setTrailingRequiresClause(Expr *TRC) {
     TrailingRequiresClause = TRC;
+
+    SetRangeEnd(TRC->getEndLoc());
   }
 
   /// \brief Sets a trailing requires clause for this declarator.
Index: clang-tools-extra/clangd/unittests/FindTargetTests.cpp
===================================================================
--- clang-tools-extra/clangd/unittests/FindTargetTests.cpp
+++ clang-tools-extra/clangd/unittests/FindTargetTests.cpp
@@ -444,6 +444,17 @@
   )cpp";
   EXPECT_DECLS("ConceptSpecializationExpr",
                {"template <typename T, typename U> concept Fooable = true;"});
+
+  // trailing requires clause
+  Code = R"cpp(
+      template <typename T>
+      concept Fooable = true;
+
+      template <typename T>
+      void foo() requires [[Fooable]]<T>;
+  )cpp";
+  EXPECT_DECLS("ConceptSpecializationExpr",
+               {"template <typename T> concept Fooable = true;"});
 }
 
 TEST_F(TargetDeclTest, FunctionTemplate) {



Index: clang/test/AST/ast-dump-concepts.cpp
===================================================================
--- clang/test/AST/ast-dump-concepts.cpp
+++ clang/test/AST/ast-dump-concepts.cpp
@@ -24,4 +24,8 @@
   // CHECK-NEXT: `-ConceptSpecializationExpr {{.*}} <col:13> 'bool'
   template <unary_concept R>
   Foo(R);
+
+  // CHECK:      FunctionTemplateDecl {{.*}} <line:29:3, line:30:34> {{.*}} Foo<T>
+  template <typename R>
+  Foo(R) requires unary_concept<R>;
 };
Index: clang/include/clang/Sema/DeclSpec.h
===================================================================
--- clang/include/clang/Sema/DeclSpec.h
+++ clang/include/clang/Sema/DeclSpec.h
@@ -2439,6 +2439,8 @@
   /// \brief Sets a trailing requires clause for this declarator.
   void setTrailingRequiresClause(Expr *TRC) {
     TrailingRequiresClause = TRC;
+
+    SetRangeEnd(TRC->getEndLoc());
   }
 
   /// \brief Sets a trailing requires clause for this declarator.
Index: clang-tools-extra/clangd/unittests/FindTargetTests.cpp
===================================================================
--- clang-tools-extra/clangd/unittests/FindTargetTests.cpp
+++ clang-tools-extra/clangd/unittests/FindTargetTests.cpp
@@ -444,6 +444,17 @@
   )cpp";
   EXPECT_DECLS("ConceptSpecializationExpr",
                {"template <typename T, typename U> concept Fooable = true;"});
+
+  // trailing requires clause
+  Code = R"cpp(
+      template <typename T>
+      concept Fooable = true;
+
+      template <typename T>
+      void foo() requires [[Fooable]]<T>;
+  )cpp";
+  EXPECT_DECLS("ConceptSpecializationExpr",
+               {"template <typename T> concept Fooable = true;"});
 }
 
 TEST_F(TargetDeclTest, FunctionTemplate) {

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