open Printf
-open Utils
-
-(* See also "let id" in [lexer.mll]. *)
-let var_regexp =
- Str.regexp "\\([a-zA-Z_][a-zA-Z0-9_]*\\)[ \t]*=[ \t]*\\(.*\\)"
-
-let usage =
- "\
-goals: Build software.
-
- goals [-f Goalfile] ['var=value' ...] ['target' ...]
-
-For detailed help see goals(1).
-
-Options:"
-
let main () =
- (* Command line arguments. *)
- let filename = ref "Goalfile" in
+ (* Change directory (-C option). *)
+ Sys.chdir Cmdline.directory;
- let argspec = [
- "-f", Arg.Set_string filename,
- "filename Set name of Goalfile";
- "--file", Arg.Set_string filename,
- "filename Set name of Goalfile";
- ] in
- let argspec = Arg.align argspec in
- let args = ref [] in
- let anon_fun s = args := s :: !args in
- Arg.parse argspec anon_fun usage;
-
- (*let args = List.rev !args in*)
- let filename = !filename in
+ (* Parse the prelude. *)
+ let env =
+ if Cmdline.use_prelude then
+ Parse.parse_goalfile Ast.Env.empty Cmdline.prelude_file
+ else
+ Ast.Env.empty in
(* Parse the input file. *)
- let env = Parse.parse_goalfile filename in
+ let env = Parse.parse_goalfile env Cmdline.input_file in
+
+ (* Parse the command line assignments. *)
+ let env =
+ List.fold_left (
+ fun env (name, expr) ->
+ let expr = Parse.parse_cli_expr expr in
+ Ast.Env.add name expr env
+ ) env Cmdline.anon_vars in
- (* Parse the command line anon args. Each parameter has the
- * form "name=<expr>" to assign a value to a variable, or
- * "<expr>" to indicate a target to build.
- *)
- let targets = ref [] in
- let env = ref env in
- List.iter (
- fun arg ->
- if Str.string_match var_regexp arg 0 then (
- (* assignment *)
- let name = Str.matched_group 1 arg in
- let expr = Parse.parse_cli_expr (Str.matched_group 2 arg) in
- env := Ast.StringMap.add name expr !env
- )
- else (
- (* target *)
- let expr = Parse.parse_cli_expr arg in
- targets := expr :: !targets
- )
- ) !args;
- let targets = List.rev !targets and env = !env in
+ (* Parse the target expressions. *)
+ let targets = List.map Parse.parse_cli_expr Cmdline.targets in
(* If no target was set on the command line, use "all ()". *)
let targets =
if targets <> [] then targets
- else [Ast.ECall ("all", [])] in
+ else [Ast.ECallGoal (Ast.noloc, "all", [])] in
- (*Ast.print_env stdout env;*)
+ if Cmdline.debug_flag then
+ Ast.print_env stderr env;
- (* Evaluate the target expressions in turn. *)
- Eval.evaluate env targets
+ (* Run the target expressions. *)
+ Run.run_targets env targets
-let () = main ()
+let () =
+ try main ()
+ with
+ Failure msg | Sys_error msg ->
+ prerr_endline ("error: " ^ msg); exit 1