open Printf
+open Utils
+
+(* See comment in parser.mly. *)
+let () =
+ Parser.lexer_read := Some Lexer.read;
+ Parser.eval_substitute := Some Eval.substitute
+
let main () =
+ (* Handle the command line. *)
+ let anon_vars, targets = Cmdline.parse () in
+
(* Change directory (-C option). *)
- Sys.chdir Cmdline.directory;
+ Sys.chdir (Cmdline.directory ());
+
+ (* Create the initial environment, containing the system environment
+ * and a few other standard strings.
+ *)
+ let env =
+ Array.fold_left (
+ fun env environ ->
+ let k, v = split "=" environ in
+ Ast.Env.add k (Ast.EConstant (Ast.noloc, Ast.CString v)) env
+ ) Ast.Env.empty (Unix.environment ()) in
+ let env =
+ Ast.Env.add "stdlib"
+ (Ast.EConstant (Ast.noloc, Ast.CString Cmdline.stdlibdir))
+ env in
+ (*let env =
+ if Cmdline.debug_flag then Ast.Env.add "debug" (Ast.EConstant (noloc, Ast.CBool true)) env else env 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
+ if Cmdline.use_prelude () then
+ Parse.parse_goalfile env Cmdline.prelude_gl_file
+ else env in
(* Parse the input file. *)
- let env = Parse.parse_goalfile env Cmdline.input_file 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
+ let expr = Parse.parse_expr "commandline" expr in
Ast.Env.add name expr env
- ) env Cmdline.anon_vars in
+ ) env anon_vars in
(* Parse the target expressions. *)
- let targets = List.map Parse.parse_cli_expr Cmdline.targets in
+ 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
+ if Cmdline.debug_flag () then
Ast.print_env stderr env;
- (* Run the target expressions. *)
- Run.run_targets env targets
+ (* 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 string_of_job job = Deps.string_of_job job in
+ Jobs.run next_job retire_job string_of_job
let () =
try main ()
with
- Failure msg | Sys_error msg ->
- prerr_endline ("error: " ^ msg); exit 1
+ | Failure msg | Sys_error msg ->
+ prerr_endline ("*** error: " ^ msg);
+ exit 1