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|
(**************************************************************************)
(* Sail *)
(* *)
(* Copyright (c) 2013-2017 *)
(* Kathyrn Gray *)
(* Shaked Flur *)
(* Stephen Kell *)
(* Gabriel Kerneis *)
(* Robert Norton-Wright *)
(* Christopher Pulte *)
(* Peter Sewell *)
(* Alasdair Armstrong *)
(* Brian Campbell *)
(* Thomas Bauereiss *)
(* Anthony Fox *)
(* Jon French *)
(* Dominic Mulligan *)
(* Stephen Kell *)
(* Mark Wassell *)
(* *)
(* All rights reserved. *)
(* *)
(* This software was developed by the University of Cambridge Computer *)
(* Laboratory as part of the Rigorous Engineering of Mainstream Systems *)
(* (REMS) project, funded by EPSRC grant EP/K008528/1. *)
(* *)
(* Redistribution and use in source and binary forms, with or without *)
(* modification, are permitted provided that the following conditions *)
(* are met: *)
(* 1. Redistributions of source code must retain the above copyright *)
(* notice, this list of conditions and the following disclaimer. *)
(* 2. Redistributions in binary form must reproduce the above copyright *)
(* notice, this list of conditions and the following disclaimer in *)
(* the documentation and/or other materials provided with the *)
(* distribution. *)
(* *)
(* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' *)
(* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *)
(* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *)
(* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR *)
(* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, *)
(* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *)
(* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF *)
(* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND *)
(* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, *)
(* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT *)
(* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF *)
(* SUCH DAMAGE. *)
(**************************************************************************)
open Ast
open Ast_defs
open Ast_util
open Printf
let opt_interactive = ref false
let opt_emacs_mode = ref false
let opt_suppress_banner = ref false
let opt_auto_interpreter_rewrites = ref false
let env = ref Type_check.initial_env
let ast = ref (Defs [])
let arg str =
("<" ^ str ^ ">") |> Util.yellow |> Util.clear
let command str =
str |> Util.green |> Util.clear
type action =
| ArgString of string * (string -> action)
| ArgInt of string * (int -> action)
| Action of (unit -> unit)
let commands = ref []
let reflect_typ action =
let open Type_check in
let rec arg_typs = function
| ArgString (_, next) -> string_typ :: arg_typs (next "")
| ArgInt (_, next) -> int_typ :: arg_typs (next 0)
| Action _ -> []
in
match action with
| Action _ -> function_typ [unit_typ] unit_typ no_effect
| _ -> function_typ (arg_typs action) unit_typ no_effect
let generate_help name help action =
let rec args = function
| ArgString (hint, next) -> arg hint :: args (next "")
| ArgInt (hint, next) -> arg hint :: args (next 0)
| Action _ -> []
in
let args = args action in
let help = match String.split_on_char ':' help with
| [] -> assert false
| (prefix :: splits) ->
List.map (fun split ->
match String.split_on_char ' ' split with
| [] -> assert false
| (subst :: rest) ->
if Str.string_match (Str.regexp "^[0-9]+") subst 0 then
let num_str = Str.matched_string subst in
let num_end = Str.match_end () in
let punct = String.sub subst num_end (String.length subst - num_end) in
List.nth args (int_of_string num_str) ^ punct ^ " " ^ String.concat " " rest
else
command (":" ^ subst) ^ " " ^ String.concat " " rest
) splits
|> String.concat ""
|> (fun rest -> prefix ^ rest)
in
sprintf "%s %s - %s" Util.(name |> green |> clear) (String.concat ", " args) help
let run_action cmd argument action =
let args = String.split_on_char ',' argument in
let rec call args action =
match args, action with
| (x :: xs), ArgString (hint, next) ->
call xs (next (String.trim x))
| (x :: xs), ArgInt (hint, next) ->
let x = String.trim x in
if Str.string_match (Str.regexp "^[0-9]+$") x 0 then
call xs (next (int_of_string x))
else
print_endline (sprintf "%s argument %s must be an non-negative integer" (command cmd) (arg hint))
| _, Action act ->
act ()
| _, _ ->
print_endline (sprintf "Bad arguments for %s, see (%s %s)" (command cmd) (command ":help") (command cmd))
in
call args action
let register_command ~name:name ~help:help action =
commands := (":" ^ name, (help, action)) :: !commands
|
