[Modules] Resolve top-headers of modules lazily.
This allows resolving top-header filenames of modules to FileEntries when
we need them, not eagerly.
Note that that this breaks ABI for libclang functions
clang_Module_getTopLevelHeader / clang_Module_getNumTopLevelHeaders
but this is fine because they are experimental and not widely used yet.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176975 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/FrontendActions.cpp b/lib/Frontend/FrontendActions.cpp
index 965e762..f3466f0 100644
--- a/lib/Frontend/FrontendActions.cpp
+++ b/lib/Frontend/FrontendActions.cpp
@@ -173,12 +173,12 @@
// Add includes for each of these headers.
for (unsigned I = 0, N = Module->Headers.size(); I != N; ++I) {
const FileEntry *Header = Module->Headers[I];
- Module->TopHeaders.insert(Header);
+ Module->addTopHeader(Header);
addHeaderInclude(Header, Includes, LangOpts);
}
if (const FileEntry *UmbrellaHeader = Module->getUmbrellaHeader()) {
- Module->TopHeaders.insert(UmbrellaHeader);
+ Module->addTopHeader(UmbrellaHeader);
if (Module->Parent) {
// Include the umbrella header for submodules.
addHeaderInclude(UmbrellaHeader, Includes, LangOpts);
@@ -203,7 +203,7 @@
if (const FileEntry *Header = FileMgr.getFile(Dir->path())) {
if (ModMap.isHeaderInUnavailableModule(Header))
continue;
- Module->TopHeaders.insert(Header);
+ Module->addTopHeader(Header);
}
// Include this header umbrella header for submodules.