Introduce a cc1-level option to provide the path to the module cache,
where the compiler will look for module files. Eliminates the
egregious hack where we looked into the header search paths for
modules.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139538 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/HeaderSearch.cpp b/lib/Lex/HeaderSearch.cpp
index 0ba7632..3682675 100644
--- a/lib/Lex/HeaderSearch.cpp
+++ b/lib/Lex/HeaderSearch.cpp
@@ -98,6 +98,16 @@
return 0;
}
+const FileEntry *HeaderSearch::lookupModule(StringRef ModuleName) {
+ // If we don't have a module cache path, we can't do anything.
+ if (ModuleCachePath.empty())
+ return 0;
+
+ llvm::SmallString<256> FileName(ModuleCachePath);
+ llvm::sys::path::append(FileName, ModuleName + ".pcm");
+ return getFileMgr().getFile(FileName);
+}
+
//===----------------------------------------------------------------------===//
// File lookup within a DirectoryLookup scope
//===----------------------------------------------------------------------===//