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da1435f86e
to exceptions rather than variants for error handling in Ocaml. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45226 91177308-0d34-0410-b5e6-96231b3b80d8
62 lines
2.3 KiB
C
62 lines
2.3 KiB
C
/*===-- bitwriter_ocaml.c - LLVM Ocaml Glue ---------------------*- C++ -*-===*\
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|* *|
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|* The LLVM Compiler Infrastructure *|
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|* *|
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|* This file was developed by Gordon Henriksen and is distributed under the *|
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|* University of Illinois Open Source License. See LICENSE.TXT for details. *|
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|* *|
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|*===----------------------------------------------------------------------===*|
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|* *|
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|* This file glues LLVM's ocaml interface to its C interface. These functions *|
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|* are by and large transparent wrappers to the corresponding C functions. *|
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|* *|
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\*===----------------------------------------------------------------------===*/
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#include "llvm-c/BitReader.h"
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#include "caml/alloc.h"
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#include "caml/mlvalues.h"
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#include "caml/memory.h"
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#include <stdio.h>
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/* Can't use the recommended caml_named_value mechanism for backwards
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compatibility reasons. This is largely equivalent. */
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static value llvm_bitreader_error_exn;
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CAMLprim value llvm_register_bitreader_exns(value Error) {
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llvm_bitreader_error_exn = Field(Error, 0);
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register_global_root(&llvm_bitreader_error_exn);
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return Val_unit;
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}
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void llvm_raise(value Prototype, char *Message);
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/*===-- Modules -----------------------------------------------------------===*/
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/* Llvm.llmemorybuffer -> Llvm.module */
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CAMLprim value llvm_get_module_provider(LLVMMemoryBufferRef MemBuf) {
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CAMLparam0();
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CAMLlocal2(Variant, MessageVal);
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char *Message;
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LLVMModuleProviderRef MP;
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if (LLVMGetBitcodeModuleProvider(MemBuf, &MP, &Message))
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llvm_raise(llvm_bitreader_error_exn, Message);
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CAMLreturn((value) MemBuf);
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}
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/* Llvm.llmemorybuffer -> Llvm.llmodule */
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CAMLprim value llvm_parse_bitcode(LLVMMemoryBufferRef MemBuf) {
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CAMLparam0();
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CAMLlocal2(Variant, MessageVal);
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LLVMModuleRef M;
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char *Message;
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if (LLVMParseBitcode(MemBuf, &M, &Message))
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llvm_raise(llvm_bitreader_error_exn, Message);
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CAMLreturn((value) M);
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}
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