535 lines
16 KiB
OCaml
535 lines
16 KiB
OCaml
(**************************************************************************)
|
|
(* *)
|
|
(* OCaml *)
|
|
(* *)
|
|
(* Fabrice Le Fessant, EPI Gallium, INRIA Paris-Rocquencourt *)
|
|
(* *)
|
|
(* Copyright 2013 Institut National de Recherche en Informatique et *)
|
|
(* en Automatique. *)
|
|
(* *)
|
|
(* All rights reserved. This file is distributed under the terms of *)
|
|
(* the GNU Lesser General Public License version 2.1, with the *)
|
|
(* special exception on linking described in the file LICENSE. *)
|
|
(* *)
|
|
(**************************************************************************)
|
|
|
|
open Clflags
|
|
|
|
let output_prefix name =
|
|
let oname =
|
|
match !output_name with
|
|
| None -> name
|
|
| Some n -> if !compile_only then (output_name := None; n) else name in
|
|
Filename.remove_extension oname
|
|
|
|
let print_version_and_library compiler =
|
|
Printf.printf "The OCaml %s, version " compiler;
|
|
print_string Config.version; print_newline();
|
|
print_string "Standard library directory: ";
|
|
print_string Config.standard_library; print_newline();
|
|
exit 0
|
|
|
|
let print_version_string () =
|
|
print_string Config.version; print_newline(); exit 0
|
|
|
|
let print_standard_library () =
|
|
print_string Config.standard_library; print_newline(); exit 0
|
|
|
|
let fatal err =
|
|
prerr_endline err;
|
|
exit 2
|
|
|
|
let extract_output = function
|
|
| Some s -> s
|
|
| None ->
|
|
fatal "Please specify the name of the output file, using option -o"
|
|
|
|
let default_output = function
|
|
| Some s -> s
|
|
| None -> Config.default_executable_name
|
|
|
|
let implicit_modules = ref []
|
|
let first_include_dirs = ref []
|
|
let last_include_dirs = ref []
|
|
let first_ccopts = ref []
|
|
let last_ccopts = ref []
|
|
let first_ppx = ref []
|
|
let last_ppx = ref []
|
|
let first_objfiles = ref []
|
|
let last_objfiles = ref []
|
|
|
|
(* Check validity of module name *)
|
|
let is_unit_name name =
|
|
try
|
|
if name = "" then raise Exit;
|
|
begin match name.[0] with
|
|
| 'A'..'Z' -> ()
|
|
| _ ->
|
|
raise Exit;
|
|
end;
|
|
for i = 1 to String.length name - 1 do
|
|
match name.[i] with
|
|
| 'A'..'Z' | 'a'..'z' | '0'..'9' | '_' | '\'' -> ()
|
|
| _ ->
|
|
raise Exit;
|
|
done;
|
|
true
|
|
with Exit -> false
|
|
;;
|
|
|
|
let check_unit_name ppf filename name =
|
|
if not (is_unit_name name) then
|
|
Location.print_warning (Location.in_file filename) ppf
|
|
(Warnings.Bad_module_name name);;
|
|
|
|
(* Compute name of module from output file name *)
|
|
let module_of_filename ppf inputfile outputprefix =
|
|
let basename = Filename.basename outputprefix in
|
|
let name =
|
|
try
|
|
let pos = String.index basename '.' in
|
|
String.sub basename 0 pos
|
|
with Not_found -> basename
|
|
in
|
|
let name = String.capitalize_ascii name in
|
|
check_unit_name ppf inputfile name;
|
|
name
|
|
;;
|
|
|
|
type filename = string
|
|
|
|
type readenv_position =
|
|
Before_args | Before_compile of filename | Before_link
|
|
|
|
(* Syntax of OCAMLPARAM: (name=VALUE,)* _ (,name=VALUE)*
|
|
where VALUE should not contain ',' *)
|
|
exception SyntaxError of string
|
|
|
|
let parse_args s =
|
|
let args = String.split_on_char ',' s in
|
|
let rec iter is_after args before after =
|
|
match args with
|
|
[] ->
|
|
if not is_after then
|
|
raise (SyntaxError "no '_' separator found")
|
|
else
|
|
(List.rev before, List.rev after)
|
|
| "_" :: _ when is_after -> raise (SyntaxError "too many '_' separators")
|
|
| "_" :: tail -> iter true tail before after
|
|
| arg :: tail ->
|
|
let binding = try
|
|
Misc.cut_at arg '='
|
|
with Not_found ->
|
|
raise (SyntaxError ("missing '=' in " ^ arg))
|
|
in
|
|
if is_after then
|
|
iter is_after tail before (binding :: after)
|
|
else
|
|
iter is_after tail (binding :: before) after
|
|
in
|
|
iter false args [] []
|
|
|
|
let setter ppf f name options s =
|
|
try
|
|
let bool = match s with
|
|
| "0" -> false
|
|
| "1" -> true
|
|
| _ -> raise Not_found
|
|
in
|
|
List.iter (fun b -> b := f bool) options
|
|
with Not_found ->
|
|
Location.print_warning Location.none ppf
|
|
(Warnings.Bad_env_variable ("OCAMLPARAM",
|
|
Printf.sprintf "bad value for %s" name))
|
|
|
|
let int_setter ppf name option s =
|
|
try
|
|
option := int_of_string s
|
|
with _ ->
|
|
Location.print_warning Location.none ppf
|
|
(Warnings.Bad_env_variable
|
|
("OCAMLPARAM", Printf.sprintf "non-integer parameter for \"%s\"" name))
|
|
|
|
let int_option_setter ppf name option s =
|
|
try
|
|
option := Some (int_of_string s)
|
|
with _ ->
|
|
Location.print_warning Location.none ppf
|
|
(Warnings.Bad_env_variable
|
|
("OCAMLPARAM", Printf.sprintf "non-integer parameter for \"%s\"" name))
|
|
|
|
(*
|
|
let float_setter ppf name option s =
|
|
try
|
|
option := float_of_string s
|
|
with _ ->
|
|
Location.print_warning Location.none ppf
|
|
(Warnings.Bad_env_variable
|
|
("OCAMLPARAM", Printf.sprintf "non-float parameter for \"%s\"" name))
|
|
*)
|
|
|
|
let load_plugin = ref (fun _ -> ())
|
|
|
|
let check_bool ppf name s =
|
|
match s with
|
|
| "0" -> false
|
|
| "1" -> true
|
|
| _ ->
|
|
Location.print_warning Location.none ppf
|
|
(Warnings.Bad_env_variable ("OCAMLPARAM",
|
|
Printf.sprintf "bad value for %s" name));
|
|
false
|
|
|
|
(* 'can-discard=' specifies which arguments can be discarded without warning
|
|
because they are not understood by some versions of OCaml. *)
|
|
let can_discard = ref []
|
|
|
|
let read_one_param ppf position name v =
|
|
let set name options s = setter ppf (fun b -> b) name options s in
|
|
let clear name options s = setter ppf (fun b -> not b) name options s in
|
|
match name with
|
|
| "g" -> set "g" [ Clflags.debug ] v
|
|
| "p" -> set "p" [ Clflags.gprofile ] v
|
|
| "bin-annot" -> set "bin-annot" [ Clflags.binary_annotations ] v
|
|
| "annot" -> set "annot" [ Clflags.annotations ] v
|
|
| "absname" -> set "absname" [ Location.absname ] v
|
|
| "compat-32" -> set "compat-32" [ bytecode_compatible_32 ] v
|
|
| "noassert" -> set "noassert" [ noassert ] v
|
|
| "noautolink" -> set "noautolink" [ no_auto_link ] v
|
|
| "nostdlib" -> set "nostdlib" [ no_std_include ] v
|
|
| "linkall" -> set "linkall" [ link_everything ] v
|
|
| "nolabels" -> set "nolabels" [ classic ] v
|
|
| "principal" -> set "principal" [ principal ] v
|
|
| "rectypes" -> set "rectypes" [ recursive_types ] v
|
|
| "safe-string" -> clear "safe-string" [ unsafe_string ] v
|
|
| "strict-sequence" -> set "strict-sequence" [ strict_sequence ] v
|
|
| "strict-formats" -> set "strict-formats" [ strict_formats ] v
|
|
| "thread" -> set "thread" [ use_threads ] v
|
|
| "unboxed-types" -> set "unboxed-types" [ unboxed_types ] v
|
|
| "unsafe" -> set "unsafe" [ fast ] v
|
|
| "verbose" -> set "verbose" [ verbose ] v
|
|
| "nopervasives" -> set "nopervasives" [ nopervasives ] v
|
|
| "slash" -> set "slash" [ force_slash ] v (* for ocamldep *)
|
|
| "keep-docs" -> set "keep-docs" [ Clflags.keep_docs ] v
|
|
| "keep-locs" -> set "keep-locs" [ Clflags.keep_locs ] v
|
|
|
|
| "compact" -> clear "compact" [ optimize_for_speed ] v
|
|
| "no-app-funct" -> clear "no-app-funct" [ applicative_functors ] v
|
|
| "nodynlink" -> clear "nodynlink" [ dlcode ] v
|
|
| "short-paths" -> clear "short-paths" [ real_paths ] v
|
|
| "trans-mod" -> set "trans-mod" [ transparent_modules ] v
|
|
| "opaque" -> set "opaque" [ opaque ] v
|
|
|
|
| "pp" -> preprocessor := Some v
|
|
| "runtime-variant" -> runtime_variant := v
|
|
| "cc" -> c_compiler := Some v
|
|
|
|
| "clambda-checks" -> set "clambda-checks" [ clambda_checks ] v
|
|
|
|
(* assembly sources *)
|
|
| "s" ->
|
|
set "s" [ Clflags.keep_asm_file ; Clflags.keep_startup_file ] v
|
|
| "S" -> set "S" [ Clflags.keep_asm_file ] v
|
|
| "dstartup" -> set "dstartup" [ Clflags.keep_startup_file ] v
|
|
|
|
(* warn-errors *)
|
|
| "we" | "warn-error" -> Warnings.parse_options true v
|
|
(* warnings *)
|
|
| "w" -> Warnings.parse_options false v
|
|
(* warn-errors *)
|
|
| "wwe" -> Warnings.parse_options false v
|
|
|
|
(* inlining *)
|
|
| "inline" ->
|
|
let module F = Float_arg_helper in
|
|
begin match F.parse_no_error v inline_threshold with
|
|
| F.Ok -> ()
|
|
| F.Parse_failed exn ->
|
|
let error =
|
|
Printf.sprintf "bad syntax for \"inline\": %s"
|
|
(Printexc.to_string exn)
|
|
in
|
|
Location.print_warning Location.none ppf
|
|
(Warnings.Bad_env_variable ("OCAMLPARAM", error))
|
|
end
|
|
|
|
| "inline-toplevel" ->
|
|
Int_arg_helper.parse v
|
|
"Bad syntax in OCAMLPARAM for 'inline-toplevel'"
|
|
inline_toplevel_threshold
|
|
|
|
| "rounds" -> int_option_setter ppf "rounds" simplify_rounds v
|
|
| "inline-max-unroll" ->
|
|
Int_arg_helper.parse v "Bad syntax in OCAMLPARAM for 'inline-max-unroll'"
|
|
inline_max_unroll
|
|
| "inline-call-cost" ->
|
|
Int_arg_helper.parse v
|
|
"Bad syntax in OCAMLPARAM for 'inline-call-cost'"
|
|
inline_call_cost
|
|
| "inline-alloc-cost" ->
|
|
Int_arg_helper.parse v
|
|
"Bad syntax in OCAMLPARAM for 'inline-alloc-cost'"
|
|
inline_alloc_cost
|
|
| "inline-prim-cost" ->
|
|
Int_arg_helper.parse v
|
|
"Bad syntax in OCAMLPARAM for 'inline-prim-cost'"
|
|
inline_prim_cost
|
|
| "inline-branch-cost" ->
|
|
Int_arg_helper.parse v
|
|
"Bad syntax in OCAMLPARAM for 'inline-branch-cost'"
|
|
inline_branch_cost
|
|
| "inline-indirect-cost" ->
|
|
Int_arg_helper.parse v
|
|
"Bad syntax in OCAMLPARAM for 'inline-indirect-cost'"
|
|
inline_indirect_cost
|
|
| "inline-lifting-benefit" ->
|
|
Int_arg_helper.parse v
|
|
"Bad syntax in OCAMLPARAM for 'inline-lifting-benefit'"
|
|
inline_lifting_benefit
|
|
| "inline-branch-factor" ->
|
|
Float_arg_helper.parse v
|
|
"Bad syntax in OCAMLPARAM for 'inline-branch-factor'"
|
|
inline_branch_factor
|
|
| "inline-max-depth" ->
|
|
Int_arg_helper.parse v
|
|
"Bad syntax in OCAMLPARAM for 'inline-max-depth'"
|
|
inline_max_depth
|
|
|
|
| "Oclassic" ->
|
|
set "Oclassic" [ classic_inlining ] v
|
|
| "O2" ->
|
|
if check_bool ppf "O2" v then begin
|
|
default_simplify_rounds := 2;
|
|
use_inlining_arguments_set o2_arguments;
|
|
use_inlining_arguments_set ~round:0 o1_arguments
|
|
end
|
|
|
|
| "O3" ->
|
|
if check_bool ppf "O3" v then begin
|
|
default_simplify_rounds := 3;
|
|
use_inlining_arguments_set o3_arguments;
|
|
use_inlining_arguments_set ~round:1 o2_arguments;
|
|
use_inlining_arguments_set ~round:0 o1_arguments
|
|
end
|
|
| "unbox-closures" ->
|
|
set "unbox-closures" [ unbox_closures ] v
|
|
| "unbox-closures-factor" ->
|
|
int_setter ppf "unbox-closures-factor" unbox_closures_factor v
|
|
| "remove-unused-arguments" ->
|
|
set "remove-unused-arguments" [ remove_unused_arguments ] v
|
|
|
|
| "inlining-report" ->
|
|
if !native_code then
|
|
set "inlining-report" [ inlining_report ] v
|
|
|
|
| "flambda-verbose" ->
|
|
set "flambda-verbose" [ dump_flambda_verbose ] v
|
|
| "flambda-invariants" ->
|
|
set "flambda-invariants" [ flambda_invariant_checks ] v
|
|
|
|
(* color output *)
|
|
| "color" ->
|
|
begin match parse_color_setting v with
|
|
| None ->
|
|
Location.print_warning Location.none ppf
|
|
(Warnings.Bad_env_variable ("OCAMLPARAM",
|
|
"bad value for \"color\", \
|
|
(expected \"auto\", \"always\" or \"never\")"))
|
|
| Some setting -> color := setting
|
|
end
|
|
|
|
| "intf-suffix" -> Config.interface_suffix := v
|
|
|
|
| "I" -> begin
|
|
match position with
|
|
| Before_args -> first_include_dirs := v :: !first_include_dirs
|
|
| Before_link | Before_compile _ ->
|
|
last_include_dirs := v :: !last_include_dirs
|
|
end
|
|
|
|
| "cclib" ->
|
|
begin
|
|
match position with
|
|
| Before_compile _ -> ()
|
|
| Before_link | Before_args ->
|
|
ccobjs := Misc.rev_split_words v @ !ccobjs
|
|
end
|
|
|
|
| "ccopts" ->
|
|
begin
|
|
match position with
|
|
| Before_link | Before_compile _ ->
|
|
last_ccopts := v :: !last_ccopts
|
|
| Before_args ->
|
|
first_ccopts := v :: !first_ccopts
|
|
end
|
|
|
|
| "ppx" ->
|
|
begin
|
|
match position with
|
|
| Before_link | Before_compile _ ->
|
|
last_ppx := v :: !last_ppx
|
|
| Before_args ->
|
|
first_ppx := v :: !first_ppx
|
|
end
|
|
|
|
|
|
| "cmo" | "cma" ->
|
|
if not !native_code then
|
|
begin
|
|
match position with
|
|
| Before_link | Before_compile _ ->
|
|
last_objfiles := v ::! last_objfiles
|
|
| Before_args ->
|
|
first_objfiles := v :: !first_objfiles
|
|
end
|
|
|
|
| "cmx" | "cmxa" ->
|
|
if !native_code then
|
|
begin
|
|
match position with
|
|
| Before_link | Before_compile _ ->
|
|
last_objfiles := v ::! last_objfiles
|
|
| Before_args ->
|
|
first_objfiles := v :: !first_objfiles
|
|
end
|
|
|
|
| "pic" ->
|
|
if !native_code then
|
|
set "pic" [ pic_code ] v
|
|
|
|
| "can-discard" ->
|
|
can_discard := v ::!can_discard
|
|
|
|
| "timings" -> set "timings" [ print_timings ] v
|
|
|
|
| "plugin" -> !load_plugin v
|
|
|
|
| _ ->
|
|
if not (List.mem name !can_discard) then begin
|
|
can_discard := name :: !can_discard;
|
|
Printf.eprintf
|
|
"Warning: discarding value of variable %S in OCAMLPARAM\n%!"
|
|
name
|
|
end
|
|
|
|
let read_OCAMLPARAM ppf position =
|
|
try
|
|
let s = Sys.getenv "OCAMLPARAM" in
|
|
let (before, after) =
|
|
try
|
|
parse_args s
|
|
with SyntaxError s ->
|
|
Location.print_warning Location.none ppf
|
|
(Warnings.Bad_env_variable ("OCAMLPARAM", s));
|
|
[],[]
|
|
in
|
|
List.iter (fun (name, v) -> read_one_param ppf position name v)
|
|
(match position with
|
|
Before_args -> before
|
|
| Before_compile _ | Before_link -> after)
|
|
with Not_found -> ()
|
|
|
|
(* OCAMLPARAM passed as file *)
|
|
|
|
type pattern =
|
|
| Filename of string
|
|
| Any
|
|
|
|
type file_option = {
|
|
pattern : pattern;
|
|
name : string;
|
|
value : string;
|
|
}
|
|
|
|
let scan_line ic =
|
|
Scanf.bscanf ic "%[0-9a-zA-Z_.*] : %[a-zA-Z_-] = %s "
|
|
(fun pattern name value ->
|
|
let pattern =
|
|
match pattern with
|
|
| "*" -> Any
|
|
| _ -> Filename pattern
|
|
in
|
|
{ pattern; name; value })
|
|
|
|
let load_config ppf filename =
|
|
match open_in_bin filename with
|
|
| exception e ->
|
|
Location.print_error ppf (Location.in_file filename);
|
|
Format.fprintf ppf "Cannot open file %s@." (Printexc.to_string e);
|
|
raise Exit
|
|
| ic ->
|
|
let sic = Scanf.Scanning.from_channel ic in
|
|
let rec read line_number line_start acc =
|
|
match scan_line sic with
|
|
| exception End_of_file ->
|
|
close_in ic;
|
|
acc
|
|
| exception Scanf.Scan_failure error ->
|
|
let position = Lexing.{
|
|
pos_fname = filename;
|
|
pos_lnum = line_number;
|
|
pos_bol = line_start;
|
|
pos_cnum = pos_in ic;
|
|
}
|
|
in
|
|
let loc = Location.{
|
|
loc_start = position;
|
|
loc_end = position;
|
|
loc_ghost = false;
|
|
}
|
|
in
|
|
Location.print_error ppf loc;
|
|
Format.fprintf ppf "Configuration file error %s@." error;
|
|
close_in ic;
|
|
raise Exit
|
|
| line ->
|
|
read (line_number + 1) (pos_in ic) (line :: acc)
|
|
in
|
|
let lines = read 0 0 [] in
|
|
lines
|
|
|
|
let matching_filename filename { pattern } =
|
|
match pattern with
|
|
| Any -> true
|
|
| Filename pattern ->
|
|
let filename = String.lowercase_ascii filename in
|
|
let pattern = String.lowercase_ascii pattern in
|
|
filename = pattern
|
|
|
|
let apply_config_file ppf position =
|
|
let config_file =
|
|
Filename.concat Config.standard_library "ocaml_compiler_internal_params"
|
|
in
|
|
let config =
|
|
if Sys.file_exists config_file then
|
|
load_config ppf config_file
|
|
else
|
|
[]
|
|
in
|
|
let config =
|
|
match position with
|
|
| Before_compile filename ->
|
|
List.filter (matching_filename filename) config
|
|
| Before_args | Before_link ->
|
|
List.filter (fun { pattern } -> pattern = Any) config
|
|
in
|
|
List.iter (fun { name; value } -> read_one_param ppf position name value)
|
|
config
|
|
|
|
let readenv ppf position =
|
|
last_include_dirs := [];
|
|
last_ccopts := [];
|
|
last_ppx := [];
|
|
last_objfiles := [];
|
|
apply_config_file ppf position;
|
|
read_OCAMLPARAM ppf position;
|
|
all_ccopts := !last_ccopts @ !first_ccopts;
|
|
all_ppx := !last_ppx @ !first_ppx
|
|
|
|
let get_objfiles ~with_ocamlparam =
|
|
if with_ocamlparam then
|
|
List.rev (!last_objfiles @ !objfiles @ !first_objfiles)
|
|
else
|
|
List.rev !objfiles
|