Add a "Modules" language option, which subsumes the previous

"AutoModuleImport" preprocessor option and is tied to -fmodules.

llvm-svn: 147448

4 files changed, 5 insertions, 8 deletions

diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 1b335c63f93..60e3442837e 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -716,6 +716,8 @@ static void LangOptsToArgs(const LangOptions &Opts,
     Res.push_back("-fblocks");
   if (Opts.BlocksRuntimeOptional)
     Res.push_back("-fblocks-runtime-optional");
+  if (Opts.Modules)
+    Res.push_back("-fmodules");
   if (Opts.EmitAllDecls)
     Res.push_back("-femit-all-decls");
   if (Opts.MathErrno)
@@ -1814,6 +1816,7 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
   Opts.RTTI = !Args.hasArg(OPT_fno_rtti);
   Opts.Blocks = Args.hasArg(OPT_fblocks);
   Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional);
+  Opts.Modules = Args.hasArg(OPT_fmodules);
   Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char);
   Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar);
   Opts.ShortEnums = Args.hasArg(OPT_fshort_enums);
@@ -1903,7 +1906,6 @@ static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args,
     Opts.TokenCache = Opts.ImplicitPTHInclude;
   Opts.UsePredefines = !Args.hasArg(OPT_undef);
   Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record);
-  Opts.AutoModuleImport = Args.hasArg(OPT_fmodules);
   Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch);
 
   Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls);
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index 74c2ec90ece..c736ca3ccc5 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -627,10 +627,6 @@ void clang::InitializePreprocessor(Preprocessor &PP,
   InitializeFileRemapping(PP.getDiagnostics(), PP.getSourceManager(),
                           PP.getFileManager(), InitOpts);
 
-  // Specify whether the preprocessor should replace #include/#import with
-  // module imports when plausible.
-  PP.setAutoModuleImport(InitOpts.AutoModuleImport);
-
   // Emit line markers for various builtin sections of the file.  We don't do
   // this in asm preprocessor mode, because "# 4" is not a line marker directive
   // in this mode.
diff --git a/clang/lib/Lex/PPDirectives.cpp b/clang/lib/Lex/PPDirectives.cpp
index 4d700aef03b..2dfae872e2f 100644
--- a/clang/lib/Lex/PPDirectives.cpp
+++ b/clang/lib/Lex/PPDirectives.cpp
@@ -1294,7 +1294,7 @@ void Preprocessor::HandleIncludeDirective(SourceLocation HashLoc,
   const FileEntry *File = LookupFile(
       Filename, isAngled, LookupFrom, CurDir,
       Callbacks ? &SearchPath : NULL, Callbacks ? &RelativePath : NULL,
-      AutoModuleImport? &SuggestedModule : 0);
+      getLangOptions().Modules? &SuggestedModule : 0);
 
   if (Callbacks) {
     if (!File) {
@@ -1308,7 +1308,7 @@ void Preprocessor::HandleIncludeDirective(SourceLocation HashLoc,
           
           // Try the lookup again, skipping the cache.
           File = LookupFile(Filename, isAngled, LookupFrom, CurDir, 0, 0,
-                            AutoModuleImport ? &SuggestedModule : 0,
+                            getLangOptions().Modules? &SuggestedModule : 0,
                             /*SkipCache*/true);
         }
       }
diff --git a/clang/lib/Lex/Preprocessor.cpp b/clang/lib/Lex/Preprocessor.cpp
index 90b67984665..08d8b920d17 100644
--- a/clang/lib/Lex/Preprocessor.cpp
+++ b/clang/lib/Lex/Preprocessor.cpp
@@ -130,7 +130,6 @@ void Preprocessor::Initialize(const TargetInfo &Target) {
   KeepComments = false;
   KeepMacroComments = false;
   SuppressIncludeNotFoundError = false;
-  AutoModuleImport = false;
   
   // Macro expansion is enabled.
   DisableMacroExpansion = false;