[PATCH] D88144: [clangd] Disable suffix matching fallback for C during include insertion

[Kadir Cetinkaya via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG64168c6d996b: [clangd] Disable suffix matching fallback for C during include insertion (authored by kadircet).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D88144/new/

https://reviews.llvm.org/D88144

Files:
  clang-tools-extra/clangd/index/CanonicalIncludes.cpp
  clang-tools-extra/clangd/unittests/CanonicalIncludesTests.cpp


Index: clang-tools-extra/clangd/unittests/CanonicalIncludesTests.cpp
===================================================================
--- clang-tools-extra/clangd/unittests/CanonicalIncludesTests.cpp
+++ clang-tools-extra/clangd/unittests/CanonicalIncludesTests.cpp
@@ -21,6 +21,10 @@
   CI.addSystemHeadersMapping(Language);
   // Usual standard library symbols are mapped correctly.
   EXPECT_EQ("<stdio.h>", CI.mapHeader("path/stdio.h", "printf"));
+  // Suffix mapping isn't available for C, instead of mapping to `<cstdio> we
+  // just leave the header as-is.
+  EXPECT_EQ("include/stdio.h",
+            CI.mapHeader("include/stdio.h", "unknown_symbol"));
 }
 
 TEST(CanonicalIncludesTest, CXXStandardLibrary) {
Index: clang-tools-extra/clangd/index/CanonicalIncludes.cpp
===================================================================
--- clang-tools-extra/clangd/index/CanonicalIncludes.cpp
+++ clang-tools-extra/clangd/index/CanonicalIncludes.cpp
@@ -772,7 +772,10 @@
                   MaxSuffixComponents;
          }) != SystemHeaderMap->keys().end());
 
-  StdSuffixHeaderMapping = SystemHeaderMap;
+  // FIXME: Suffix mapping contains invalid entries for C, so only enable it for
+  // CPP.
+  if (Language.CPlusPlus)
+    StdSuffixHeaderMapping = SystemHeaderMap;
 }
 
 } // namespace clangd


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D88144.293971.patch
Type: text/x-patch
Size: 1315 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20200924/6df0f0a1/attachment.bin>