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_gl_file = stdlibdir // "prelude.gl"
47 let prelude_sh_file = stdlibdir // "prelude.sh"
49 let debug_flag = ref false
50 let directory = ref "."
51 let input_file = ref "Goalfile"
52 let includes = ref [stdlibdir]
53 let add_include dir = includes := dir :: !includes
54 let nr_jobs = ref 4 (* XXX use nproc *)
55 let use_prelude = ref true
58 if not (is_directory stdlibdir) || not (Sys.file_exists prelude_gl_file) then
59 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 ...’"
60 Sys.executable_name stdlibdir;
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 "-j", Arg.Set_int nr_jobs,
78 "jobs Set number of parallel jobs";
79 "--jobs", Arg.Set_int nr_jobs,
80 "jobs Set number of parallel jobs";
81 "--no-prelude",Arg.Clear use_prelude,
82 " Do not automatically use prelude.gl from stdlib";
83 "-v", Arg.Unit print_version,
84 " Print version and exit";
85 "--version", Arg.Unit print_version,
86 " Print version and exit";
88 let argspec = Arg.align argspec in
90 let anon_fun s = args := s :: !args in
91 Arg.parse argspec anon_fun usage;
93 (* Check various params are sensible. *)
95 failwithf "%s: -j must be >= 1" Sys.executable_name;
97 let args = List.rev !args in
99 (* Get the anon var assignments and targets. *)
100 let anon_vars, targets =
102 fun arg -> Str.string_match var_regexp arg 0
107 ignore (Str.string_match var_regexp arg 0);
108 let name = Str.matched_group 1 arg in
109 let expr = Str.matched_group 2 arg in
115 let debug_flag () = !debug_flag
117 (* Create the debug function. *)
119 let display str = if debug_flag () then prerr_endline str in
122 let directory () = !directory
123 let input_file () = !input_file
125 (* Don't reverse includes - we want newer -I options to take precedence. *)
126 let includes () = !includes
128 let nr_jobs () = !nr_jobs
129 let use_prelude () = !use_prelude