[cfe-commits] r45007 - /cfe/trunk/Basic/SourceManager.cpp
Ted Kremenek
kremenek at apple.com
Thu Dec 13 10:12:10 PST 2007
Author: kremenek
Date: Thu Dec 13 12:12:10 2007
New Revision: 45007
URL: http://llvm.org/viewvc/llvm-project?rev=45007&view=rev
Log:
Add hack to SourceManager to support missing source files during
deserialization. Eventually this should be replaced with a lazy-reading
mechanism that only reads source files when they are needed by clients.
Modified:
cfe/trunk/Basic/SourceManager.cpp
Modified: cfe/trunk/Basic/SourceManager.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/Basic/SourceManager.cpp?rev=45007&r1=45006&r2=45007&view=diff
==============================================================================
--- cfe/trunk/Basic/SourceManager.cpp (original)
+++ cfe/trunk/Basic/SourceManager.cpp Thu Dec 13 12:12:10 2007
@@ -441,10 +441,14 @@
const char* start = &Buf[0];
const FileEntry* E = FMgr->getFile(start,start+Buf.size());
- assert (E && "Not yet supported: missing files.");
-
- // Get the ContextCache object and register it with the deserializer.
- D.RegisterPtr(PtrID,SMgr.getContentCache(E));
+ // FIXME: Ideally we want a lazy materialization of the ContentCache
+ // anyway, because we don't want to read in source files unless this
+ // is absolutely needed.
+ if (!E)
+ D.RegisterPtr(PtrID,NULL);
+ else
+ // Get the ContextCache object and register it with the deserializer.
+ D.RegisterPtr(PtrID,SMgr.getContentCache(E));
}
else {
// Register the ContextCache object with the deserializer.
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