[PATCH] D27713: [clang-move] Fix incorrect EndLoc for declarations in macros.

[Haojian Wu via Phabricator via cfe-commits]

hokein created this revision.
hokein added a reviewer: ioeric.
hokein added a subscriber: cfe-commits.

https://reviews.llvm.org/D27713

Files:
  clang-move/ClangMove.cpp
  unittests/clang-move/ClangMoveTests.cpp


Index: unittests/clang-move/ClangMoveTests.cpp
===================================================================
--- unittests/clang-move/ClangMoveTests.cpp
+++ unittests/clang-move/ClangMoveTests.cpp
@@ -386,6 +386,24 @@
   EXPECT_EQ(ExpectedNewCode, Results[Spec.NewCC]);
 }
 
+TEST(ClangMove, DefinitionInMacro) {
+  const char TestHeader[] = "#define DEF(CLASS) void CLASS##_::f() {}\n"
+                            "class A_ {\nvoid f();\n};\n"
+                            "class B {};\n";
+  const char TestCode[] = "#include \"foo.h\"\n"
+                          "DEF(A)\n";
+  const char ExpectedNewCode[] = "#include \"new_foo.h\"\n\n"
+                                 "DEF(A)\n";
+  move::MoveDefinitionSpec Spec;
+  Spec.Names.push_back("A_");
+  Spec.OldHeader = "foo.h";
+  Spec.OldCC = "foo.cc";
+  Spec.NewHeader = "new_foo.h";
+  Spec.NewCC = "new_foo.cc";
+  auto Results = runClangMoveOnCode(Spec, TestHeader, TestCode);
+  EXPECT_EQ(ExpectedNewCode, Results[Spec.NewCC]);
+}
+
 TEST(ClangMove, WellFormattedCode) {
   const std::string CommonHeader =
       "namespace a {\n"
Index: clang-move/ClangMove.cpp
===================================================================
--- clang-move/ClangMove.cpp
+++ clang-move/ClangMove.cpp
@@ -219,7 +219,8 @@
 getLocForEndOfDecl(const clang::Decl *D,
                    const LangOptions &LangOpts = clang::LangOptions()) {
   const auto &SM = D->getASTContext().getSourceManager();
-  std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(D->getLocEnd());
+  auto EndExpansionLoc = SM.getExpansionLoc(D->getLocEnd());
+  std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(EndExpansionLoc);
   // Try to load the file buffer.
   bool InvalidTemp = false;
   llvm::StringRef File = SM.getBufferData(LocInfo.first, &InvalidTemp);
@@ -235,7 +236,7 @@
   // FIXME: this is a bit hacky to get ReadToEndOfLine work.
   Lex.setParsingPreprocessorDirective(true);
   Lex.ReadToEndOfLine(&Line);
-  SourceLocation EndLoc = D->getLocEnd().getLocWithOffset(Line.size());
+  SourceLocation EndLoc = EndExpansionLoc.getLocWithOffset(Line.size());
   // If we already reach EOF, just return the EOF SourceLocation;
   // otherwise, move 1 offset ahead to include the trailing newline character
   // '\n'.


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