[PATCH] D113765: [clangd] Fix function-arg-placeholder suppression with macros.

[Sam McCall via Phabricator via cfe-commits]

sammccall created this revision.
sammccall added a reviewer: kadircet.
Herald added subscribers: usaxena95, arphaman.
sammccall requested review of this revision.
Herald added subscribers: cfe-commits, MaskRay, ilya-biryukov.
Herald added a project: clang-tools-extra.

While here, unhide function-arg-placeholders flag. It's reasonable to want and
maybe we should consider making it default.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D113765

Files:
  clang-tools-extra/clangd/CodeComplete.cpp
  clang-tools-extra/clangd/tool/ClangdMain.cpp
  clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp


Index: clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp
===================================================================
--- clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp
+++ clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp
@@ -2318,6 +2318,15 @@
         UnorderedElementsAre(AllOf(Named("foo_class"), SnippetSuffix("<$0>")),
                              AllOf(Named("foo_alias"), SnippetSuffix("<$0>"))));
   }
+  {
+    auto Results = completions(
+        R"cpp(
+      #define FOO(x, y) x##f
+      FO^ )cpp",
+        {}, Opts);
+    EXPECT_THAT(Results.Completions, UnorderedElementsAre(AllOf(
+                                         Named("FOO"), SnippetSuffix("($0)"))));
+  }
 }
 
 TEST(CompletionTest, SuggestOverrides) {
Index: clang-tools-extra/clangd/tool/ClangdMain.cpp
===================================================================
--- clang-tools-extra/clangd/tool/ClangdMain.cpp
+++ clang-tools-extra/clangd/tool/ClangdMain.cpp
@@ -233,7 +233,6 @@
          "function calls. When enabled, completions also contain "
          "placeholders for method parameters"),
     init(CodeCompleteOptions().EnableFunctionArgSnippets),
-    Hidden,
 };
 
 opt<CodeCompleteOptions::IncludeInsertion> HeaderInsertion{
Index: clang-tools-extra/clangd/CodeComplete.cpp
===================================================================
--- clang-tools-extra/clangd/CodeComplete.cpp
+++ clang-tools-extra/clangd/CodeComplete.cpp
@@ -513,7 +513,8 @@
     if (Snippet->empty())
       return "";
     if (Completion.Kind == CompletionItemKind::Function ||
-        Completion.Kind == CompletionItemKind::Method) {
+        Completion.Kind == CompletionItemKind::Method ||
+        Completion.Kind == CompletionItemKind::Text /*Macro*/) {
       // Functions snippets can be of 2 types:
       // - containing only function arguments, e.g.
       //   foo(${1:int p1}, ${2:int p2});


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