module MemoryBuffer = struct
external of_file : string -> llmemorybuffer = "llvm_memorybuffer_of_file"
external of_stdin : unit -> llmemorybuffer = "llvm_memorybuffer_of_stdin"
+ external of_string : ?name:string -> string -> llmemorybuffer = "llvm_memorybuffer_of_string"
+ external as_string : llmemorybuffer -> string = "llvm_memorybuffer_as_string"
external dispose : llmemorybuffer -> unit = "llvm_memorybuffer_dispose"
end
(** [of_stdin ()] is the memory buffer containing the contents of standard input.
If standard input is empty, then [IoError msg] is raised. *)
val of_stdin : unit -> llmemorybuffer
+
+ (** [of_string ~name s] is the memory buffer containing the contents of string [s].
+ The name of memory buffer is set to [name] if it is provided. *)
+ val of_string : ?name:string -> string -> llmemorybuffer
+
+ (** [as_string mb] is the string containing the contents of memory buffer [mb]. *)
+ val as_string : llmemorybuffer -> string
(** Disposes of a memory buffer. *)
val dispose : llmemorybuffer -> unit
return MemBuf;
}
+/* ?name:string -> string -> llmemorybuffer */
+CAMLprim LLVMMemoryBufferRef llvm_memorybuffer_of_string(value Name, value String) {
+ const char *NameCStr;
+ if(Name == Val_int(0))
+ NameCStr = "";
+ else
+ NameCStr = String_val(Field(Name, 0));
+
+ LLVMMemoryBufferRef MemBuf;
+ MemBuf = LLVMCreateMemoryBufferWithMemoryRangeCopy(
+ String_val(String), caml_string_length(String), NameCStr);
+
+ return MemBuf;
+}
+
+/* llmemorybuffer -> string */
+CAMLprim value llvm_memorybuffer_as_string(LLVMMemoryBufferRef MemBuf) {
+ value String = caml_alloc_string(LLVMGetBufferSize(MemBuf));
+ memcpy(String_val(String), LLVMGetBufferStart(MemBuf),
+ LLVMGetBufferSize(MemBuf));
+
+ return String;
+}
+
/* llmemorybuffer -> unit */
CAMLprim value llvm_memorybuffer_dispose(LLVMMemoryBufferRef MemBuf) {
LLVMDisposeMemoryBuffer(MemBuf);
end
+(*===-- Memory Buffer -----------------------------------------------------===*)
+
+let test_memory_buffer () =
+ group "memory buffer";
+ let buf = MemoryBuffer.of_string "foobar" in
+ insist ((MemoryBuffer.as_string buf) = "foobar")
+
+
(*===-- Writer ------------------------------------------------------------===*)
let test_writer () =
suite "instructions" test_instructions;
suite "builder" test_builder;
suite "pass manager" test_pass_manager;
+ suite "memory buffer" test_memory_buffer;
suite "writer" test_writer; (* Keep this last; it disposes m. *)
exit !exit_status