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/*===-- bitwriter_ocaml.c - LLVM Ocaml Glue ---------------------*- C++ -*-===*\
|* *|
|* 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. *|
|* *|
|*===----------------------------------------------------------------------===*|
|* *|
|* This file glues LLVM's ocaml interface to its C interface. These functions *|
|* are by and large transparent wrappers to the corresponding C functions. *|
|* *|
\*===----------------------------------------------------------------------===*/
#include "llvm-c/BitReader.h"
#include "caml/alloc.h"
#include "caml/mlvalues.h"
#include "caml/memory.h"
/*===-- Modules -----------------------------------------------------------===*/
/* string -> bitreader_result
type bitreader_result =
| Bitreader_success of Llvm.llmodule
| Bitreader_failure of string
*/
CAMLprim value llvm_read_bitcode_file(value Path) {
LLVMModuleRef M;
char *Message;
CAMLparam1(Path);
CAMLlocal2(Variant, MessageVal);
if (LLVMReadBitcodeFromFile(String_val(Path), &M, &Message)) {
MessageVal = copy_string(Message);
LLVMDisposeBitcodeReaderMessage(Message);
Variant = alloc(1, 1);
Field(Variant, 0) = MessageVal;
} else {
Variant = alloc(1, 0);
Field(Variant, 0) = Val_op(M);
}
CAMLreturn(Variant);
}
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