[PATCH] D38842: [CrossTU] Fix handling of Cross Translation Unit directory path

[Phabricator via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL316764: [CrossTU] Fix handling of Cross Translation Unit 
directory path (authored by xazax).

Changed prior to commit:
  https://reviews.llvm.org/D38842?vs=118773&id=120576#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D38842

Files:
  cfe/trunk/lib/CrossTU/CrossTranslationUnit.cpp
  cfe/trunk/unittests/CrossTU/CrossTranslationUnitTest.cpp


Index: cfe/trunk/lib/CrossTU/CrossTranslationUnit.cpp
===================================================================
--- cfe/trunk/lib/CrossTU/CrossTranslationUnit.cpp
+++ cfe/trunk/lib/CrossTU/CrossTranslationUnit.cpp
@@ -93,10 +93,7 @@
             index_error_code::multiple_definitions, IndexPath.str(), LineNo);
       StringRef FileName = LineRef.substr(Pos + 1);
       SmallString<256> FilePath = CrossTUDir;
-      if (llvm::sys::path::is_absolute(FileName))
-        FilePath = FileName;
-      else
-        llvm::sys::path::append(FilePath, FileName);
+      llvm::sys::path::append(FilePath, FileName);
       Result[FunctionLookupName] = FilePath.str().str();
     } else
       return llvm::make_error<IndexError>(
Index: cfe/trunk/unittests/CrossTU/CrossTranslationUnitTest.cpp
===================================================================
--- cfe/trunk/unittests/CrossTU/CrossTranslationUnitTest.cpp
+++ cfe/trunk/unittests/CrossTU/CrossTranslationUnitTest.cpp
@@ -109,9 +109,9 @@
 
 TEST(CrossTranslationUnit, IndexFormatCanBeParsed) {
   llvm::StringMap<std::string> Index;
-  Index["a"] = "b";
-  Index["c"] = "d";
-  Index["e"] = "f";
+  Index["a"] = "/b/f1";
+  Index["c"] = "/d/f2";
+  Index["e"] = "/f/f3";
   std::string IndexText = createCrossTUIndexString(Index);
 
   int IndexFD;
@@ -134,5 +134,25 @@
     EXPECT_TRUE(Index.count(E.getKey()));
 }
 
+TEST(CrossTranslationUnit, CTUDirIsHandledCorrectly) {
+  llvm::StringMap<std::string> Index;
+  Index["a"] = "/b/c/d";
+  std::string IndexText = createCrossTUIndexString(Index);
+
+  int IndexFD;
+  llvm::SmallString<256> IndexFileName;
+  ASSERT_FALSE(llvm::sys::fs::createTemporaryFile("index", "txt", IndexFD,
+                                                  IndexFileName));
+  llvm::ToolOutputFile IndexFile(IndexFileName, IndexFD);
+  IndexFile.os() << IndexText;
+  IndexFile.os().flush();
+  EXPECT_TRUE(llvm::sys::fs::exists(IndexFileName));
+  llvm::Expected<llvm::StringMap<std::string>> IndexOrErr =
+      parseCrossTUIndex(IndexFileName, "/ctudir");
+  EXPECT_TRUE((bool)IndexOrErr);
+  llvm::StringMap<std::string> ParsedIndex = IndexOrErr.get();
+  EXPECT_EQ(ParsedIndex["a"], "/ctudir/b/c/d");
+}
+
 } // end namespace cross_tu
 } // end namespace clang



Index: cfe/trunk/lib/CrossTU/CrossTranslationUnit.cpp
===================================================================
--- cfe/trunk/lib/CrossTU/CrossTranslationUnit.cpp
+++ cfe/trunk/lib/CrossTU/CrossTranslationUnit.cpp
@@ -93,10 +93,7 @@
             index_error_code::multiple_definitions, IndexPath.str(), LineNo);
       StringRef FileName = LineRef.substr(Pos + 1);
       SmallString<256> FilePath = CrossTUDir;
-      if (llvm::sys::path::is_absolute(FileName))
-        FilePath = FileName;
-      else
-        llvm::sys::path::append(FilePath, FileName);
+      llvm::sys::path::append(FilePath, FileName);
       Result[FunctionLookupName] = FilePath.str().str();
     } else
       return llvm::make_error<IndexError>(
Index: cfe/trunk/unittests/CrossTU/CrossTranslationUnitTest.cpp
===================================================================
--- cfe/trunk/unittests/CrossTU/CrossTranslationUnitTest.cpp
+++ cfe/trunk/unittests/CrossTU/CrossTranslationUnitTest.cpp
@@ -109,9 +109,9 @@
 
 TEST(CrossTranslationUnit, IndexFormatCanBeParsed) {
   llvm::StringMap<std::string> Index;
-  Index["a"] = "b";
-  Index["c"] = "d";
-  Index["e"] = "f";
+  Index["a"] = "/b/f1";
+  Index["c"] = "/d/f2";
+  Index["e"] = "/f/f3";
   std::string IndexText = createCrossTUIndexString(Index);
 
   int IndexFD;
@@ -134,5 +134,25 @@
     EXPECT_TRUE(Index.count(E.getKey()));
 }
 
+TEST(CrossTranslationUnit, CTUDirIsHandledCorrectly) {
+  llvm::StringMap<std::string> Index;
+  Index["a"] = "/b/c/d";
+  std::string IndexText = createCrossTUIndexString(Index);
+
+  int IndexFD;
+  llvm::SmallString<256> IndexFileName;
+  ASSERT_FALSE(llvm::sys::fs::createTemporaryFile("index", "txt", IndexFD,
+                                                  IndexFileName));
+  llvm::ToolOutputFile IndexFile(IndexFileName, IndexFD);
+  IndexFile.os() << IndexText;
+  IndexFile.os().flush();
+  EXPECT_TRUE(llvm::sys::fs::exists(IndexFileName));
+  llvm::Expected<llvm::StringMap<std::string>> IndexOrErr =
+      parseCrossTUIndex(IndexFileName, "/ctudir");
+  EXPECT_TRUE((bool)IndexOrErr);
+  llvm::StringMap<std::string> ParsedIndex = IndexOrErr.get();
+  EXPECT_EQ(ParsedIndex["a"], "/ctudir/b/c/d");
+}
+
 } // end namespace cross_tu
 } // end namespace clang

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