- let file = Parse.parse_from_file filename in
-
- Ast.print_file stdout file;
-
- (* Find the target(s) to execute first. *)
- let initial_targets = ref [] in
- (* XXX Parse command line anon args here. XXX *)
-
- (* If no initial target set on the command line, find
- * the first goal in the file.
- *)
- List.iter (
- function
- | Ast.Goal (name, [], _, _, _) ->
- if !initial_targets = [] then
- initial_targets := name :: !initial_targets
- | Ast.Goal (name, _, _, _, _) ->
- if !initial_targets = [] then
- failwithf "%s: first target ā%sā has parameters and so cannot be used as the default target"
- filename name
- | _ -> ()
- ) file;
-
- let initial_targets = List.rev !initial_targets in
-
- eprintf "initial targets:";
- List.iter (eprintf " %s") initial_targets;
- eprintf "\n"
-
-let () = main ()
+ 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_expr "commandline" expr in
+ Ast.Env.add name expr env
+ ) env anon_vars in
+
+ (* Parse the target expressions. *)
+ let targets = List.map (Parse.parse_expr "commandline") targets in
+
+ (* If no target was set on the command line, use "all ()". *)
+ let targets =
+ if targets <> [] then targets
+ else [Ast.ECall (Ast.noloc, "all", [])] in
+
+ if Cmdline.debug_flag () then
+ Ast.print_env stderr env;
+
+ (* Construct the dependency DAG with the root(s) being the targets. *)
+ let dag = Deps.create env targets in
+
+ (* Run the jobs. *)
+ let state = Deps.new_state dag Run.goal_runner Run.exists_runner in
+ let next_job () = Deps.next_job state in
+ let retire_job job = Deps.retire_job state job in
+ let fail_job job = Deps.fail_job state job in
+ let string_of_job job = Deps.string_of_job job in
+ Jobs.run next_job retire_job fail_job string_of_job
+
+let () =
+ try main ()
+ with
+ | Failure msg | Sys_error msg ->
+ prerr_endline ("*** error: " ^ msg);
+ exit 1