From 514b636adab8c9934f82ba9a4beb600e2b3072e7 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <dgregor@apple.com>
Date: Tue, 29 Nov 2011 19:06:37 +0000
Subject: Teach the module import mechanism how to rebuild modules expressed
 via module map, rather than assuming that there is an umbrella header. This
 allows us to automatically build umbrella-less modules.

llvm-svn: 145415
---
 clang/lib/Lex/ModuleMap.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'clang/lib/Lex/ModuleMap.cpp')

diff --git a/clang/lib/Lex/ModuleMap.cpp b/clang/lib/Lex/ModuleMap.cpp
index a25c93b..3cc6478 100644
--- a/clang/lib/Lex/ModuleMap.cpp
+++ b/clang/lib/Lex/ModuleMap.cpp
@@ -206,6 +206,15 @@ ModuleMap::inferFrameworkModule(StringRef ModuleName,
   return Result;
 }
 
+const FileEntry *
+ModuleMap::getContainingModuleMapFile(ModuleMap::Module *Module) {
+  if (Module->DefinitionLoc.isInvalid() || !SourceMgr)
+    return 0;
+
+  return SourceMgr->getFileEntryForID(
+           SourceMgr->getFileID(Module->DefinitionLoc));
+}
+
 void ModuleMap::dump() {
   llvm::errs() << "Modules:";
   for (llvm::StringMap<Module *>::iterator M = Modules.begin(), 
-- 
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