Finish hooking up the scaffolding for headermaps. They can now do everything
except resolve lookups.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@45111 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Lex/HeaderMap.cpp b/Lex/HeaderMap.cpp
index ebcbc17..c698aba 100644
--- a/Lex/HeaderMap.cpp
+++ b/Lex/HeaderMap.cpp
@@ -44,11 +44,11 @@
unsigned FileSize = FE->getSize();
if (FileSize <= sizeof(HMapHeader)) return 0;
- llvm::scoped_ptr<const llvm::MemoryBuffer> File(
+ llvm::scoped_ptr<const llvm::MemoryBuffer> FileBuffer(
llvm::MemoryBuffer::getFile(FE->getName(), strlen(FE->getName()), 0,
FE->getSize()));
- if (File == 0) return 0; // Unreadable file?
- const char *FileStart = File->getBufferStart();
+ if (FileBuffer == 0) return 0; // Unreadable file?
+ const char *FileStart = FileBuffer->getBufferStart();
// We know the file is at least as big as the header, check it now.
const HMapHeader *Header = reinterpret_cast<const HMapHeader*>(FileStart);
@@ -65,8 +65,21 @@
NeedsByteSwap = true; // Mixed endianness headermap.
else
return 0; // Not a header map.
-
- return 0;
+
+ // Okay, everything looks good, create the header map.
+ HeaderMap *NewHM = new HeaderMap(FileBuffer.get(), NeedsByteSwap);
+ FileBuffer.reset(); // Don't deallocate the buffer on return.
+ return NewHM;
+}
+
+HeaderMap::~HeaderMap() {
+ delete FileBuffer;
+}
+
+
+/// getFileName - Return the filename of the headermap.
+const char *HeaderMap::getFileName() const {
+ return FileBuffer->getBufferIdentifier();
}
/// LookupFile - Check to see if the specified relative filename is located in