[PATCH] D63817: [clangd] No longer getting template instantiations from header files in Main AST.

[Johan Vikström via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL364747: [clangd] No longer getting template instantiations from header files in Main… (authored by jvikstrom, committed by ).
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Herald added a subscriber: llvm-commits.

Changed prior to commit:
  https://reviews.llvm.org/D63817?vs=206685&id=207261#toc

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D63817/new/

https://reviews.llvm.org/D63817

Files:
  clang-tools-extra/trunk/clangd/ClangdUnit.cpp
  clang-tools-extra/trunk/clangd/unittests/ClangdUnitTests.cpp


Index: clang-tools-extra/trunk/clangd/ClangdUnit.cpp
===================================================================
--- clang-tools-extra/trunk/clangd/ClangdUnit.cpp
+++ clang-tools-extra/trunk/clangd/ClangdUnit.cpp
@@ -67,7 +67,8 @@
 
   bool HandleTopLevelDecl(DeclGroupRef DG) override {
     for (Decl *D : DG) {
-      if (D->isFromASTFile())
+      auto &SM = D->getASTContext().getSourceManager();
+      if (!SM.isWrittenInMainFile(SM.getExpansionLoc(D->getLocation())))
         continue;
 
       // ObjCMethodDecl are not actually top-level decls.
Index: clang-tools-extra/trunk/clangd/unittests/ClangdUnitTests.cpp
===================================================================
--- clang-tools-extra/trunk/clangd/unittests/ClangdUnitTests.cpp
+++ clang-tools-extra/trunk/clangd/unittests/ClangdUnitTests.cpp
@@ -83,6 +83,26 @@
   EXPECT_THAT(AST.getLocalTopLevelDecls(), ElementsAre(DeclNamed("main")));
 }
 
+TEST(ClangdUnitTest, DoesNotGetIncludedTopDecls) {
+  TestTU TU;
+  TU.HeaderCode = R"cpp(
+    #define LL void foo(){}
+    template<class T>
+    struct H {
+      H() {}
+      LL
+    };
+  )cpp";
+  TU.Code = R"cpp(
+    int main() {
+      H<int> h;
+      h.foo();
+    }
+  )cpp";
+  auto AST = TU.build();
+  EXPECT_THAT(AST.getLocalTopLevelDecls(), ElementsAre(DeclNamed("main")));
+}
+
 TEST(ClangdUnitTest, TokensAfterPreamble) {
   TestTU TU;
   TU.AdditionalFiles["foo.h"] = R"(


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