From 3277b69d734b9c90b44ebde4ede005717e2c3b2e Mon Sep 17 00:00:00 2001
From: ed <ed@FreeBSD.org>
Date: Tue, 2 Jun 2009 17:52:33 +0000
Subject: Import LLVM, at r72732.

---
 lib/Bitcode/Reader/BitReader.cpp | 51 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 lib/Bitcode/Reader/BitReader.cpp

(limited to 'lib/Bitcode/Reader/BitReader.cpp')

diff --git a/lib/Bitcode/Reader/BitReader.cpp b/lib/Bitcode/Reader/BitReader.cpp
new file mode 100644
index 0000000..52851cd
--- /dev/null
+++ b/lib/Bitcode/Reader/BitReader.cpp
@@ -0,0 +1,51 @@
+//===-- BitReader.cpp -----------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm-c/BitReader.h"
+#include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include <string>
+#include <cstring>
+
+using namespace llvm;
+
+/* Builds a module from the bitcode in the specified memory buffer, returning a
+   reference to the module via the OutModule parameter. Returns 0 on success.
+   Optionally returns a human-readable error message via OutMessage. */ 
+int LLVMParseBitcode(LLVMMemoryBufferRef MemBuf,
+                     LLVMModuleRef *OutModule, char **OutMessage) {
+  std::string Message;
+  
+  *OutModule = wrap(ParseBitcodeFile(unwrap(MemBuf), &Message));
+  if (!*OutModule) {
+    if (OutMessage)
+      *OutMessage = strdup(Message.c_str());
+    return 1;
+  }
+  
+  return 0;
+}
+
+/* Reads a module from the specified path, returning via the OutModule parameter
+   a module provider which performs lazy deserialization. Returns 0 on success.
+   Optionally returns a human-readable error message via OutMessage. */ 
+int LLVMGetBitcodeModuleProvider(LLVMMemoryBufferRef MemBuf,
+                                 LLVMModuleProviderRef *OutMP,
+                                 char **OutMessage) {
+  std::string Message;
+  
+  *OutMP = wrap(getBitcodeModuleProvider(unwrap(MemBuf), &Message));
+  if (!*OutMP) {
+    if (OutMessage)
+      *OutMessage = strdup(Message.c_str());
+    return 1;
+  }
+  
+  return 0;
+}
-- 
cgit v1.1