147 lines
4.9 KiB
OCaml
147 lines
4.9 KiB
OCaml
(***********************************************************************)
|
|
(* *)
|
|
(* Objective Caml *)
|
|
(* *)
|
|
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
|
|
(* *)
|
|
(* Copyright 1996 Institut National de Recherche en Informatique et *)
|
|
(* Automatique. Distributed only by permission. *)
|
|
(* *)
|
|
(***********************************************************************)
|
|
|
|
(* $Id$ *)
|
|
|
|
(* The batch compiler *)
|
|
|
|
open Misc
|
|
open Config
|
|
open Format
|
|
open Typedtree
|
|
|
|
(* Initialize the search path.
|
|
The current directory is always searched first,
|
|
then the directories specified with the -I option (in command-line order),
|
|
then the standard library directory. *)
|
|
|
|
let init_path () =
|
|
load_path :=
|
|
"" :: List.rev (Config.standard_library :: !Clflags.include_dirs);
|
|
Env.reset_cache()
|
|
|
|
(* Return the initial environment in which compilation proceeds. *)
|
|
|
|
let initial_env () =
|
|
init_path();
|
|
try
|
|
if !Clflags.nopervasives
|
|
then Env.initial
|
|
else Env.open_pers_signature "Pervasives" Env.initial
|
|
with Not_found ->
|
|
fatal_error "cannot open Pervasives.cmi"
|
|
|
|
(* Optionally preprocess a source file *)
|
|
|
|
let preprocess sourcefile tmpfile =
|
|
match !Clflags.preprocessor with
|
|
None -> sourcefile
|
|
| Some pp ->
|
|
let comm = pp ^ " " ^ sourcefile ^ " > " ^ tmpfile in
|
|
if Sys.command comm <> 0 then begin
|
|
Printf.eprintf "Preprocessing error\n";
|
|
flush stderr;
|
|
exit 2
|
|
end;
|
|
tmpfile
|
|
|
|
let remove_preprocessed inputfile =
|
|
match !Clflags.preprocessor with
|
|
None -> ()
|
|
| Some _ -> remove_file inputfile
|
|
|
|
(* Parse a file or get a dumped syntax tree in it *)
|
|
|
|
let parse_file inputfile parse_fun ast_magic =
|
|
let ic = open_in_bin inputfile in
|
|
let is_ast_file =
|
|
try
|
|
let buffer = String.create (String.length ast_magic) in
|
|
really_input ic buffer 0 (String.length ast_magic);
|
|
buffer = ast_magic
|
|
with _ -> false
|
|
in
|
|
let ast =
|
|
try
|
|
if is_ast_file then begin
|
|
Location.input_name := input_value ic;
|
|
input_value ic
|
|
end else begin
|
|
seek_in ic 0;
|
|
Location.input_name := inputfile;
|
|
parse_fun (Lexing.from_channel ic)
|
|
end
|
|
with x -> close_in ic; raise x
|
|
in
|
|
close_in ic;
|
|
ast
|
|
|
|
(* Compile a .mli file *)
|
|
|
|
let interface sourcefile =
|
|
let prefixname = Filename.chop_extension sourcefile in
|
|
let modulename = capitalize(Filename.basename prefixname) in
|
|
let inputfile = preprocess sourcefile (prefixname ^ ".ppi") in
|
|
let ast = parse_file inputfile Parse.interface ast_intf_magic_number in
|
|
let sg = Typemod.transl_signature (initial_env()) ast in
|
|
if !Clflags.print_types then (Printtyp.signature sg; print_newline());
|
|
Env.save_signature sg modulename (prefixname ^ ".cmi");
|
|
remove_preprocessed inputfile
|
|
|
|
(* Compile a .ml file *)
|
|
|
|
let print_if flag printer arg =
|
|
if !flag then begin printer arg; print_newline() end;
|
|
arg
|
|
|
|
let implementation sourcefile =
|
|
let prefixname = Filename.chop_extension sourcefile in
|
|
let modulename = capitalize(Filename.basename prefixname) in
|
|
let inputfile = preprocess sourcefile (prefixname ^ ".ppo") in
|
|
let ast = parse_file inputfile Parse.implementation ast_impl_magic_number in
|
|
let (str, sg, finalenv) = Typemod.type_structure (initial_env()) ast in
|
|
if !Clflags.print_types then (Printtyp.signature sg; print_flush());
|
|
let (coercion, crc) =
|
|
if Sys.file_exists (prefixname ^ ".mli") then begin
|
|
let intf_file =
|
|
try find_in_path !load_path (prefixname ^ ".cmi")
|
|
with Not_found -> prefixname ^ ".cmi" in
|
|
let (dclsig, crc) = Env.read_signature modulename intf_file in
|
|
(Includemod.compunit sourcefile sg intf_file dclsig, crc)
|
|
end else begin
|
|
let crc = Env.save_signature sg modulename (prefixname ^ ".cmi") in
|
|
Typemod.check_nongen_schemes finalenv str;
|
|
(Tcoerce_none, crc)
|
|
end in
|
|
Compilenv.reset modulename crc;
|
|
let (compunit_size, lam) =
|
|
Translmod.transl_store_implementation modulename str coercion in
|
|
Asmgen.compile_implementation prefixname compunit_size
|
|
(print_if Clflags.dump_lambda Printlambda.lambda
|
|
(Simplif.simplify_lambda
|
|
(print_if Clflags.dump_rawlambda Printlambda.lambda lam)));
|
|
Compilenv.save_unit_info (prefixname ^ ".cmx");
|
|
remove_preprocessed inputfile
|
|
|
|
let c_file name =
|
|
if Sys.command
|
|
(Printf.sprintf
|
|
"%s -c %s %s -I%s %s"
|
|
Config.native_c_compiler
|
|
(String.concat " " (List.rev !Clflags.ccopts))
|
|
(String.concat " "
|
|
(List.map (fun dir -> "-I" ^ dir)
|
|
(List.rev !Clflags.include_dirs)))
|
|
Config.standard_library
|
|
name)
|
|
<> 0
|
|
then exit 2
|