1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
(** Copyright 2024, Sofya Kozyreva, Maksim Shipilov *)
(** SPDX-License-Identifier: LGPL-3.0-or-later *)
open OMLet.Ast
open OMLet.Parser
open OMLet.Codegen
open OMLet.CodegenTypes
open OMLet.Anf
open OMLet.AnfPrettyPrinter
open OMLet.ResultCounter.ResultCounterMonad
open Base
open Stdio
type stop_after =
| SA_parsing
| SA_never
type opts =
{ mutable dump_parsetree : bool
; mutable dump_anf : bool
; mutable stop_after : stop_after
; mutable input_file : string option
}
let eval ast =
let _ = show_constructions ast in
()
;;
let run_single dump_parsetree dump_anf stop_after eval input_source =
let text =
match input_source with
| Some file_name -> In_channel.read_all file_name |> Stdlib.String.trim
| None -> In_channel.input_all stdin |> Stdlib.String.trim
in
match parse text with
| Error e -> Stdlib.Format.printf "Parsing error: %s\n%!" e
| Ok ast ->
if dump_parsetree
then (
print_endline (show_constructions ast);
())
else (
match run (anf_and_lift_program ast) 0 with
| Result.Error e -> Stdlib.Format.printf "%a@." pp_anf_error e
| Result.Ok (anf, _) ->
if dump_anf
then (
Stdlib.Format.printf "%a@." pp_aconstructions anf;
())
else (
let () =
match codegen_program anf with
| Error e -> Stdlib.Format.printf "Codegen error: %s\n%!" e
| Ok (_, instructions) ->
let () =
Stdlib.Format.fprintf Stdlib.Format.std_formatter ".global _start\n"
in
Stdlib.List.iter pp_instr instructions
in
match stop_after with
| SA_parsing -> ()
| SA_never -> eval ast))
;;
let () =
let opts =
{ dump_parsetree = false; dump_anf = false; stop_after = SA_never; input_file = None }
in
let () =
Stdlib.Arg.parse
[ ( "-dparsetree"
, Stdlib.Arg.Unit (fun () -> opts.dump_parsetree <- true)
, "Dump parse tree, don't evaluate anything" )
; ( "-dumpanf"
, Stdlib.Arg.Unit (fun () -> opts.dump_anf <- true)
, "Dump ANF representation" )
; ( "-stop-after"
, Stdlib.Arg.String
(function
| "parsing" -> opts.stop_after <- SA_parsing
| _ -> failwith "Bad argument for -stop-after")
, "Stop after parsing" )
; ( "-fromfile"
, Stdlib.Arg.String (fun filename -> opts.input_file <- Some filename)
, "Read code from the specified file" )
]
(fun _ ->
Stdlib.Format.eprintf "Positional arguments are not supported\n";
Stdlib.exit 1)
"Compiler driver for custom language"
in
run_single
opts.dump_parsetree
opts.dump_anf
opts.stop_after
(fun ast -> eval ast)
opts.input_file
;;