1 (* Goalfile command line
2 * Copyright (C) 2019 Richard W.M. Jones
3 * Copyright (C) 2019 Red Hat Inc.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 (* See also "let id" in [lexer.mll]. *)
26 Str.regexp "\\([a-zA-Z_][a-zA-Z0-9_]*\\)[ \t]*=[ \t]*\\(.*\\)"
30 goals: Build software.
32 goals [-f Goalfile] ['var=value' ...] ['target' ...]
34 For detailed help see goals(1).
38 let print_version () =
39 printf "%s %s\n" Config.package_name Config.package_version;
42 (* Get stdlib directory. *)
44 try Sys.getenv "GOALS_DATADIR" with Not_found -> Config.datadir
45 let stdlibdir = datadir // "stdlib"
46 let prelude_file = stdlibdir // "prelude.gl"
48 if not (is_directory stdlibdir) || not (Sys.file_exists prelude_file) then
49 failwithf "%s: cannot find the standard library directory, expected %s. If the standard library directory is in a non-standard location then set GOALS_DATADIR. If you can trying to run goals from the build directory then use ‘./run goals ...’"
50 Sys.executable_name stdlibdir
53 debug_flag, directory, includes, use_prelude, anon_vars, targets =
55 let debug_flag = ref false in
56 let directory = ref "." in
57 let input_file = ref "Goalfile" in
58 let includes = ref [stdlibdir] in
59 let add_include dir = includes := dir :: !includes in
60 let use_prelude = ref true in
63 "-C", Arg.Set_string directory,
64 "directory Change to directory before running";
65 "-d", Arg.Set debug_flag,
66 " Print debug information.";
67 "--directory", Arg.Set_string directory,
68 "directory Change to directory before running";
69 "-f", Arg.Set_string input_file,
70 "filename Set name of Goalfile";
71 "--file", Arg.Set_string input_file,
72 "filename Set name of Goalfile";
73 "-I", Arg.String add_include,
74 "dir Add include directory";
75 "--include", Arg.String add_include,
76 "dir Add include directory";
77 "--no-prelude",Arg.Clear use_prelude,
78 " Do not automatically use prelude.gl from stdlib";
79 "-v", Arg.Unit print_version,
80 " Print version and exit";
81 "--version", Arg.Unit print_version,
82 " Print version and exit";
84 let argspec = Arg.align argspec in
85 let anon_fun s = args := s :: !args in
86 Arg.parse argspec anon_fun usage;
88 let args = List.rev !args in
89 let debug_flag = !debug_flag in
90 let directory = !directory in
91 let input_file = absolute_path !input_file in
92 (* Don't reverse includes - we want newer -I options to take precedence. *)
93 let includes = List.map absolute_path !includes in
94 let use_prelude = !use_prelude in
96 (* Get the anon var assignments and targets. *)
97 let anon_vars, targets =
99 fun arg -> Str.string_match var_regexp arg 0
104 ignore (Str.string_match var_regexp arg 0);
105 let name = Str.matched_group 1 arg in
106 let expr = Str.matched_group 2 arg in
111 debug_flag, directory, includes, use_prelude, anon_vars, targets
113 (* Create the debug function. *)
115 let display str = if debug_flag then prerr_endline str in