llvm-6502/lib/Bitcode/Reader/BitReader.cpp
Gordon Henriksen bbc6597f02 Adding Ocaml bindings for the bitreader as requested by Sarah
Thompson. Usage should be something like this:

open Llvm
open Llvm_bitreader

match read_bitcode_file fn with
  | Bitreader_failure msg ->
      prerr_endline msg
  | Bitreader_success m -> 
      ...;
      dispose_module m

Compile with: ocamlc llvm.cma llvm_bitreader.cma
              ocamlopt llvm.cmxa llvm_bitreader.cmxa


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44824 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-11 00:20:48 +00:00

43 lines
1.1 KiB
C++

//===-- BitReader.cpp -----------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Gordon Henriksen and 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>
using namespace llvm;
int LLVMReadBitcodeFromFile(const char *Path, LLVMModuleRef *OutModule,
char **OutMessage) {
std::string Message;
MemoryBuffer *buf = MemoryBuffer::getFile(Path, strlen(Path), &Message);
if (!buf) {
if (!OutMessage)
*OutMessage = strdup(Message.c_str());
return 1;
}
*OutModule = wrap(ParseBitcodeFile(buf, &Message));
if (!*OutModule) {
if (OutMessage)
*OutMessage = strdup(Message.c_str());
return 1;
}
return 0;
}
void LLVMDisposeBitcodeReaderMessage(char *Message) {
if (Message)
free(Message);
}