[PATCH] D152801: [include-cleaner] Don't apply PreferredHeader hings for standard headers.

[Haojian Wu via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG48967c6e5504: [include-cleaner] Don't apply the 
PreferredHeader hint for standard headers. (authored by hokein).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D152801/new/

https://reviews.llvm.org/D152801

Files:
  clang-tools-extra/include-cleaner/lib/FindHeaders.cpp
  clang-tools-extra/include-cleaner/unittests/FindHeadersTest.cpp


Index: clang-tools-extra/include-cleaner/unittests/FindHeadersTest.cpp
===================================================================
--- clang-tools-extra/include-cleaner/unittests/FindHeadersTest.cpp
+++ clang-tools-extra/include-cleaner/unittests/FindHeadersTest.cpp
@@ -486,5 +486,16 @@
   }
 }
 
+TEST_F(HeadersForSymbolTest, StandardHeaders) {
+  Inputs.Code = "void assert();";
+  buildAST();
+  EXPECT_THAT(
+      headersFor("assert"),
+      // Respect the ordering from the stdlib mapping.
+      UnorderedElementsAre(tooling::stdlib::Header::named("<cassert>"),
+                           tooling::stdlib::Header::named("<assert.h>")));
+}
+
+
 } // namespace
 } // namespace clang::include_cleaner
Index: clang-tools-extra/include-cleaner/lib/FindHeaders.cpp
===================================================================
--- clang-tools-extra/include-cleaner/lib/FindHeaders.cpp
+++ clang-tools-extra/include-cleaner/lib/FindHeaders.cpp
@@ -248,6 +248,10 @@
   // Add name match hints to deduplicated providers.
   llvm::StringRef SymbolName = symbolName(S);
   for (auto &H : Headers) {
+    // Don't apply name match hints to standard headers as the standard headers
+    // are already ranked in the stdlib mapping.
+    if (H.kind() == Header::Standard)
+      continue;
     if (nameMatch(SymbolName, H))
       H.Hint |= Hints::PreferredHeader;
   }



Index: clang-tools-extra/include-cleaner/unittests/FindHeadersTest.cpp
===================================================================
--- clang-tools-extra/include-cleaner/unittests/FindHeadersTest.cpp
+++ clang-tools-extra/include-cleaner/unittests/FindHeadersTest.cpp
@@ -486,5 +486,16 @@
   }
 }
 
+TEST_F(HeadersForSymbolTest, StandardHeaders) {
+  Inputs.Code = "void assert();";
+  buildAST();
+  EXPECT_THAT(
+      headersFor("assert"),
+      // Respect the ordering from the stdlib mapping.
+      UnorderedElementsAre(tooling::stdlib::Header::named("<cassert>"),
+                           tooling::stdlib::Header::named("<assert.h>")));
+}
+
+
 } // namespace
 } // namespace clang::include_cleaner
Index: clang-tools-extra/include-cleaner/lib/FindHeaders.cpp
===================================================================
--- clang-tools-extra/include-cleaner/lib/FindHeaders.cpp
+++ clang-tools-extra/include-cleaner/lib/FindHeaders.cpp
@@ -248,6 +248,10 @@
   // Add name match hints to deduplicated providers.
   llvm::StringRef SymbolName = symbolName(S);
   for (auto &H : Headers) {
+    // Don't apply name match hints to standard headers as the standard headers
+    // are already ranked in the stdlib mapping.
+    if (H.kind() == Header::Standard)
+      continue;
     if (nameMatch(SymbolName, H))
       H.Hint |= Hints::PreferredHeader;
   }

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