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Adding bindings for memory buffers and module providers. Switching

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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
This commit is contained in:
Gordon Henriksen
2007-12-19 22:30:40 +00:00
parent 696f768daf
commit da1435f86e
16 changed files with 350 additions and 154 deletions
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61
bindings/ocaml/llvm/llvm_ocaml.c
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@@ -20,8 +20,33 @@
#include "caml/custom.h"
#include "caml/mlvalues.h"
#include "caml/memory.h"
#include "caml/fail.h"
#include "caml/callback.h"
#include "llvm/Config/config.h"
#include <assert.h>
#include <stdlib.h>
/* Can't use the recommended caml_named_value mechanism for backwards
compatibility reasons. This is largely equivalent. */
static value llvm_ioerror_exn;
CAMLprim value llvm_register_core_exns(value IoError) {
llvm_ioerror_exn = Field(IoError, 0);
register_global_root(&llvm_ioerror_exn);
return Val_unit;
}
void llvm_raise(value Prototype, char *Message) {
CAMLparam1(Prototype);
CAMLlocal1(CamlMessage);
CamlMessage = copy_string(Message);
LLVMDisposeMessage(Message);
raise_with_arg(Prototype, CamlMessage);
CAMLnoreturn;
}
/*===-- Modules -----------------------------------------------------------===*/
@@ -1071,3 +1096,39 @@ CAMLprim value llvm_dispose_module_provider(LLVMModuleProviderRef MP) {
LLVMDisposeModuleProvider(MP);
return Val_unit;
}
/*===-- Memory buffers ----------------------------------------------------===*/
/* string -> llmemorybuffer
raises IoError msg on error */
CAMLprim value llvm_memorybuffer_of_file(value Path) {
CAMLparam1(Path);
char *Message;
LLVMMemoryBufferRef MemBuf;
if (LLVMCreateMemoryBufferWithContentsOfFile(String_val(Path),
&MemBuf, &Message))
llvm_raise(llvm_ioerror_exn, Message);
CAMLreturn((value) MemBuf);
}
/* unit -> llmemorybuffer
raises IoError msg on error */
CAMLprim LLVMMemoryBufferRef llvm_memorybuffer_of_stdin(value Unit) {
char *Message;
LLVMMemoryBufferRef MemBuf;
if (LLVMCreateMemoryBufferWithSTDIN(&MemBuf, &Message))
llvm_raise(llvm_ioerror_exn, Message);
return MemBuf;
}
/* llmemorybuffer -> unit */
CAMLprim value llvm_memorybuffer_dispose(LLVMMemoryBufferRef MemBuf) {
LLVMDisposeMemoryBuffer(MemBuf);
return Val_unit;
}