wenzelm@48240
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(* Title: Pure/PIDE/command.ML
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wenzelm@48240
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Author: Makarius
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wenzelm@48240
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wenzelm@53671
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Prover command execution: read -- eval -- print.
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wenzelm@48240
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*)
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wenzelm@48240
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wenzelm@48240
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signature COMMAND =
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wenzelm@48240
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sig
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wenzelm@55899
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type blob = (string * string option) Exn.result
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wenzelm@55899
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val read_file: Path.T -> Position.T -> Path.T -> Token.file
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wenzelm@55899
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val read: (unit -> theory) -> Path.T -> blob list -> Token.T list -> Toplevel.transition
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wenzelm@53737
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type eval
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wenzelm@53744
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val eval_eq: eval * eval -> bool
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wenzelm@53921
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val eval_running: eval -> bool
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wenzelm@53909
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val eval_finished: eval -> bool
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wenzelm@53673
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val eval_result_state: eval -> Toplevel.state
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wenzelm@55899
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val eval: (unit -> theory) -> Path.T -> blob list -> Token.T list -> eval -> eval
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wenzelm@53737
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type print
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wenzelm@53987
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val print: bool -> (string * string list) list -> string ->
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wenzelm@53987
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eval -> print list -> print list option
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wenzelm@53663
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type print_fn = Toplevel.transition -> Toplevel.state -> unit
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wenzelm@54090
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type print_function =
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wenzelm@54090
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{command_name: string, args: string list} ->
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wenzelm@54090
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{delay: Time.time option, pri: int, persistent: bool, strict: bool, print_fn: print_fn} option
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wenzelm@54090
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val print_function: string -> print_function -> unit
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wenzelm@53708
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val no_print_function: string -> unit
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wenzelm@53737
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type exec = eval * print list
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wenzelm@53737
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val no_exec: exec
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wenzelm@53737
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val exec_ids: exec option -> Document_ID.exec list
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wenzelm@53743
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val exec: Document_ID.execution -> exec -> unit
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wenzelm@48240
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end;
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wenzelm@48240
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wenzelm@48240
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structure Command: COMMAND =
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wenzelm@48240
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struct
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wenzelm@48240
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wenzelm@53912
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(** memo results **)
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wenzelm@48245
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wenzelm@48245
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datatype 'a expr =
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wenzelm@53733
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Expr of Document_ID.exec * (unit -> 'a) |
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wenzelm@48245
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Result of 'a Exn.result;
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wenzelm@48245
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wenzelm@48245
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abstype 'a memo = Memo of 'a expr Synchronized.var
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wenzelm@48245
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with
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wenzelm@48245
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wenzelm@53733
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fun memo exec_id e = Memo (Synchronized.var "Command.memo" (Expr (exec_id, e)));
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wenzelm@48245
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fun memo_value a = Memo (Synchronized.var "Command.memo" (Result (Exn.Res a)));
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wenzelm@48245
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wenzelm@48246
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fun memo_result (Memo v) =
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wenzelm@48246
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(case Synchronized.value v of
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wenzelm@53744
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Expr (exec_id, _) => error ("Unfinished execution result: " ^ Document_ID.print exec_id)
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wenzelm@53744
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| Result res => Exn.release res);
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wenzelm@48245
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wenzelm@53793
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fun memo_finished (Memo v) =
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wenzelm@53922
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(case Synchronized.value v of Expr _ => false | Result _ => true);
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wenzelm@53793
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wenzelm@53744
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fun memo_exec execution_id (Memo v) =
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wenzelm@53911
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Synchronized.timed_access v (K (SOME Time.zeroTime))
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wenzelm@53746
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(fn expr =>
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wenzelm@53746
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(case expr of
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wenzelm@53912
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Expr (exec_id, body) =>
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wenzelm@53746
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uninterruptible (fn restore_attributes => fn () =>
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wenzelm@54512
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if Execution.running execution_id exec_id [Future.the_worker_group ()] then
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wenzelm@53746
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let
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wenzelm@53912
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val res =
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wenzelm@53912
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(body
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wenzelm@53912
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|> restore_attributes
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wenzelm@53912
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|> Future.worker_nest "Command.memo_exec"
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wenzelm@53912
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|> Exn.interruptible_capture) ();
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wenzelm@53912
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in SOME ((), Result res) end
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wenzelm@53912
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else SOME ((), expr)) ()
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wenzelm@53912
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| Result _ => SOME ((), expr)))
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wenzelm@53912
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|> (fn NONE => error "Conflicting command execution" | _ => ());
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wenzelm@53733
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wenzelm@53744
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fun memo_fork params execution_id (Memo v) =
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wenzelm@53733
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(case Synchronized.value v of
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wenzelm@53733
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Result _ => ()
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wenzelm@53744
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| _ => ignore ((singleton o Future.forks) params (fn () => memo_exec execution_id (Memo v))));
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wenzelm@53663
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wenzelm@48245
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end;
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wenzelm@48245
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wenzelm@48245
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wenzelm@53744
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wenzelm@53673
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(** main phases of execution **)
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wenzelm@53673
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wenzelm@53647
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(* read *)
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wenzelm@53646
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wenzelm@55899
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type blob = (string * string option) Exn.result; (*file node name, digest or text*)
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wenzelm@55892
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wenzelm@55899
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fun read_file master_dir pos src_path =
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wenzelm@55899
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let
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wenzelm@55899
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val full_path = File.check_file (File.full_path master_dir src_path);
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wenzelm@55899
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val _ = Position.report pos (Markup.path (Path.implode full_path));
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wenzelm@55899
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in {src_path = src_path, text = File.read full_path, pos = Path.position full_path} end;
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wenzelm@55899
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wenzelm@55899
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fun resolve_files master_dir blobs toks =
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wenzelm@55892
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(case Thy_Syntax.parse_spans toks of
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wenzelm@55892
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[span] => span
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wenzelm@55896
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|> Thy_Syntax.resolve_files (fn cmd => fn (path, pos) =>
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wenzelm@55896
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let
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wenzelm@55899
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fun make_file src_path (Exn.Res (_, NONE)) =
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wenzelm@55899
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Exn.interruptible_capture (fn () => read_file master_dir pos src_path) ()
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wenzelm@55899
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| make_file src_path (Exn.Res (file, SOME text)) =
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wenzelm@55899
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let val _ = Position.report pos (Markup.path file)
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wenzelm@55896
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in Exn.Res {src_path = src_path, text = text, pos = Position.file file} end
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wenzelm@55896
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| make_file _ (Exn.Exn e) = Exn.Exn e;
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wenzelm@55896
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wenzelm@55896
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val src_paths = Keyword.command_files cmd path;
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wenzelm@55896
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in
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wenzelm@55896
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if null blobs then []
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wenzelm@55896
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else if length src_paths <> length blobs then
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wenzelm@55896
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error ("Misalignment of inlined files" ^ Position.here pos)
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wenzelm@55896
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else map2 make_file src_paths blobs
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wenzelm@55896
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end)
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wenzelm@55892
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|> Thy_Syntax.span_content
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wenzelm@55892
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| _ => toks);
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wenzelm@55892
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wenzelm@55899
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fun read init master_dir blobs span =
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wenzelm@53647
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let
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wenzelm@53647
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val outer_syntax = #2 (Outer_Syntax.get_syntax ());
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wenzelm@53647
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val command_reports = Outer_Syntax.command_reports outer_syntax;
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wenzelm@53646
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wenzelm@53671
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val proper_range =
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wenzelm@53671
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Position.set_range (Token.position_range_of (#1 (take_suffix Token.is_improper span)));
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wenzelm@53647
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val pos =
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wenzelm@53647
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(case find_first Token.is_command span of
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wenzelm@53647
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SOME tok => Token.position_of tok
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wenzelm@53647
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| NONE => proper_range);
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wenzelm@53646
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wenzelm@53647
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val (is_malformed, token_reports) = Thy_Syntax.reports_of_tokens span;
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wenzelm@53647
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val _ = Position.reports_text (token_reports @ maps command_reports span);
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wenzelm@53647
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in
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if is_malformed then Toplevel.malformed pos "Malformed command syntax"
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wenzelm@53647
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else
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wenzelm@55899
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(case Outer_Syntax.read_spans outer_syntax (resolve_files master_dir blobs span) of
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wenzelm@53647
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[tr] =>
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wenzelm@53647
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if Keyword.is_control (Toplevel.name_of tr) then
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wenzelm@53647
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Toplevel.malformed pos "Illegal control command"
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wenzelm@53671
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else Toplevel.modify_init init tr
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wenzelm@53671
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| [] => Toplevel.ignored (Position.set_range (Token.position_range_of span))
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wenzelm@53647
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| _ => Toplevel.malformed proper_range "Exactly one command expected")
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wenzelm@53647
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handle ERROR msg => Toplevel.malformed proper_range msg
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wenzelm@53647
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end;
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wenzelm@53646
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wenzelm@53646
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wenzelm@53646
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(* eval *)
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wenzelm@48240
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wenzelm@53737
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type eval_state =
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wenzelm@53737
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{failed: bool, malformed: bool, command: Toplevel.transition, state: Toplevel.state};
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wenzelm@53737
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val init_eval_state =
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wenzelm@53737
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{failed = false, malformed = false, command = Toplevel.empty, state = Toplevel.toplevel};
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wenzelm@53737
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wenzelm@53737
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datatype eval = Eval of {exec_id: Document_ID.exec, eval_process: eval_state memo};
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wenzelm@53737
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wenzelm@53744
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fun eval_eq (Eval {exec_id, ...}, Eval {exec_id = exec_id', ...}) = exec_id = exec_id';
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wenzelm@53744
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wenzelm@53921
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fun eval_running (Eval {exec_id, ...}) = Execution.is_running_exec exec_id;
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wenzelm@53909
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fun eval_finished (Eval {eval_process, ...}) = memo_finished eval_process;
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wenzelm@53909
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wenzelm@53737
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fun eval_result (Eval {eval_process, ...}) = memo_result eval_process;
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wenzelm@53737
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val eval_result_state = #state o eval_result;
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wenzelm@53737
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wenzelm@48240
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local
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wenzelm@48240
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wenzelm@48240
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fun run int tr st =
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wenzelm@54326
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if Goal.future_enabled 1 andalso Keyword.is_diag (Toplevel.name_of tr) then
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wenzelm@54329
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(Execution.fork {name = "Toplevel.diag", pos = Toplevel.pos_of tr, pri = ~1}
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wenzelm@52742
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(fn () => Toplevel.command_exception int tr st); ([], SOME st))
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wenzelm@52421
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else Toplevel.command_errors int tr st;
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wenzelm@48240
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wenzelm@53647
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fun check_cmts span tr st' =
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wenzelm@53647
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Toplevel.setmp_thread_position tr
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wenzelm@53647
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(fn () =>
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wenzelm@53647
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Outer_Syntax.side_comments span |> maps (fn cmt =>
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wenzelm@53647
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(Thy_Output.check_text (Token.source_position_of cmt) st'; [])
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wenzelm@53756
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handle exn =>
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wenzelm@53756
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if Exn.is_interrupt exn then reraise exn
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wenzelm@53756
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else ML_Compiler.exn_messages_ids exn)) ();
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wenzelm@53647
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wenzelm@48240
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fun proof_status tr st =
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wenzelm@48240
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(case try Toplevel.proof_of st of
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wenzelm@48240
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SOME prf => Toplevel.status tr (Proof.status_markup prf)
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wenzelm@48240
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| NONE => ());
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wenzelm@48240
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wenzelm@53671
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fun eval_state span tr ({malformed, state = st, ...}: eval_state) =
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wenzelm@53646
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if malformed then
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wenzelm@53663
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{failed = true, malformed = malformed, command = tr, state = Toplevel.toplevel}
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wenzelm@49787
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else
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wenzelm@49787
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let
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wenzelm@49787
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val malformed' = Toplevel.is_malformed tr;
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wenzelm@49787
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val is_init = Toplevel.is_init tr;
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wenzelm@49787
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val is_proof = Keyword.is_proof (Toplevel.name_of tr);
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wenzelm@48240
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wenzelm@49787
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val _ = Multithreading.interrupted ();
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wenzelm@51216
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val _ = Toplevel.status tr Markup.running;
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wenzelm@49933
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val (errs1, result) = run (is_init orelse is_proof) (Toplevel.set_print false tr) st;
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wenzelm@53646
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val errs2 = (case result of NONE => [] | SOME st' => check_cmts span tr st');
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wenzelm@49933
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val errs = errs1 @ errs2;
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wenzelm@51216
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val _ = Toplevel.status tr Markup.finished;
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wenzelm@51929
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val _ = List.app (Future.error_msg (Toplevel.pos_of tr)) errs;
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wenzelm@49787
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in
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wenzelm@49787
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(case result of
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wenzelm@49787
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NONE =>
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wenzelm@49787
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let
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wenzelm@49787
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val _ = if null errs then Exn.interrupt () else ();
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wenzelm@51216
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val _ = Toplevel.status tr Markup.failed;
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wenzelm@53663
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in {failed = true, malformed = malformed', command = tr, state = st} end
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wenzelm@49787
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| SOME st' =>
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wenzelm@49787
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let
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wenzelm@49787
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val _ = proof_status tr st';
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wenzelm@53663
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in {failed = false, malformed = malformed', command = tr, state = st'} end)
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wenzelm@49787
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end;
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wenzelm@48240
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wenzelm@53671
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in
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wenzelm@53671
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wenzelm@55899
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fun eval init master_dir blobs span eval0 =
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wenzelm@53671
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let
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wenzelm@53671
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val exec_id = Document_ID.make ();
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wenzelm@53671
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fun process () =
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wenzelm@53671
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let
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wenzelm@53671
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val tr =
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wenzelm@53671
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Position.setmp_thread_data (Position.id_only (Document_ID.print exec_id))
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wenzelm@55899
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(fn () => read init master_dir blobs span |> Toplevel.exec_id exec_id) ();
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wenzelm@53671
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in eval_state span tr (eval_result eval0) end;
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wenzelm@53737
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in Eval {exec_id = exec_id, eval_process = memo exec_id process} end;
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wenzelm@53671
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225 |
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wenzelm@48240
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end;
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wenzelm@48240
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227 |
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wenzelm@53646
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wenzelm@53646
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(* print *)
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wenzelm@53646
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230 |
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wenzelm@53737
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231 |
datatype print = Print of
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wenzelm@53987
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{name: string, args: string list, delay: Time.time option, pri: int, persistent: bool,
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wenzelm@53737
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exec_id: Document_ID.exec, print_process: unit memo};
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wenzelm@53737
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234 |
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wenzelm@53663
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235 |
type print_fn = Toplevel.transition -> Toplevel.state -> unit;
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wenzelm@53652
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236 |
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wenzelm@53784
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237 |
type print_function =
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wenzelm@53987
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238 |
{command_name: string, args: string list} ->
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wenzelm@54090
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239 |
{delay: Time.time option, pri: int, persistent: bool, strict: bool, print_fn: print_fn} option;
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wenzelm@53784
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240 |
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wenzelm@53648
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241 |
local
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wenzelm@53648
|
242 |
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wenzelm@53784
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243 |
val print_functions =
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wenzelm@53784
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244 |
Synchronized.var "Command.print_functions" ([]: (string * print_function) list);
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wenzelm@53648
|
245 |
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wenzelm@53707
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246 |
fun print_error tr e =
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wenzelm@54846
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247 |
(Toplevel.setmp_thread_position tr o Toplevel.controlled_execution) e ()
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wenzelm@53756
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248 |
handle exn =>
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wenzelm@53756
|
249 |
if Exn.is_interrupt exn then reraise exn
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wenzelm@53756
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250 |
else List.app (Future.error_msg (Toplevel.pos_of tr)) (ML_Compiler.exn_messages_ids exn);
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wenzelm@53653
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251 |
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wenzelm@53744
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252 |
fun print_eq (Print {exec_id, ...}, Print {exec_id = exec_id', ...}) = exec_id = exec_id';
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wenzelm@53744
|
253 |
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wenzelm@53912
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254 |
fun print_finished (Print {print_process, ...}) = memo_finished print_process;
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wenzelm@53793
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255 |
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wenzelm@53737
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256 |
fun print_persistent (Print {persistent, ...}) = persistent;
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wenzelm@53733
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257 |
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wenzelm@53990
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258 |
val overlay_ord = prod_ord string_ord (list_ord string_ord);
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wenzelm@53990
|
259 |
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wenzelm@53648
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260 |
in
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wenzelm@53646
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261 |
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wenzelm@53987
|
262 |
fun print command_visible command_overlays command_name eval old_prints =
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wenzelm@53707
|
263 |
let
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wenzelm@53987
|
264 |
val print_functions = Synchronized.value print_functions;
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wenzelm@53987
|
265 |
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wenzelm@54136
|
266 |
fun make_print name args {delay, pri, persistent, strict, print_fn} =
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wenzelm@54136
|
267 |
let
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wenzelm@54136
|
268 |
val exec_id = Document_ID.make ();
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wenzelm@54136
|
269 |
fun process () =
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wenzelm@54136
|
270 |
let
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wenzelm@54136
|
271 |
val {failed, command, state = st', ...} = eval_result eval;
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wenzelm@54136
|
272 |
val tr = Toplevel.exec_id exec_id command;
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wenzelm@54136
|
273 |
in
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wenzelm@54136
|
274 |
if failed andalso strict then ()
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wenzelm@54136
|
275 |
else print_error tr (fn () => print_fn tr st')
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wenzelm@54136
|
276 |
end;
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wenzelm@54136
|
277 |
in
|
wenzelm@54136
|
278 |
Print {
|
wenzelm@54136
|
279 |
name = name, args = args, delay = delay, pri = pri, persistent = persistent,
|
wenzelm@54136
|
280 |
exec_id = exec_id, print_process = memo exec_id process}
|
wenzelm@54136
|
281 |
end;
|
wenzelm@54136
|
282 |
|
wenzelm@54136
|
283 |
fun bad_print name args exn =
|
wenzelm@54136
|
284 |
make_print name args {delay = NONE, pri = 0, persistent = false,
|
wenzelm@54136
|
285 |
strict = false, print_fn = fn _ => fn _ => reraise exn};
|
wenzelm@54136
|
286 |
|
wenzelm@53987
|
287 |
fun new_print name args get_pr =
|
wenzelm@53707
|
288 |
let
|
wenzelm@53987
|
289 |
val params = {command_name = command_name, args = args};
|
wenzelm@53707
|
290 |
in
|
wenzelm@54846
|
291 |
(case Exn.capture (Toplevel.controlled_execution get_pr) params of
|
wenzelm@53707
|
292 |
Exn.Res NONE => NONE
|
wenzelm@54136
|
293 |
| Exn.Res (SOME pr) => SOME (make_print name args pr)
|
wenzelm@54136
|
294 |
| Exn.Exn exn => SOME (bad_print name args exn))
|
wenzelm@53707
|
295 |
end;
|
wenzelm@53707
|
296 |
|
wenzelm@53987
|
297 |
fun get_print (a, b) =
|
wenzelm@53987
|
298 |
(case find_first (fn Print {name, args, ...} => name = a andalso args = b) old_prints of
|
wenzelm@53987
|
299 |
NONE =>
|
wenzelm@53987
|
300 |
(case AList.lookup (op =) print_functions a of
|
wenzelm@54136
|
301 |
NONE => SOME (bad_print a b (ERROR ("Missing print function " ^ quote a)))
|
wenzelm@53987
|
302 |
| SOME get_pr => new_print a b get_pr)
|
wenzelm@53987
|
303 |
| some => some);
|
wenzelm@53987
|
304 |
|
wenzelm@53707
|
305 |
val new_prints =
|
wenzelm@53707
|
306 |
if command_visible then
|
wenzelm@53990
|
307 |
fold (fn (a, _) => cons (a, [])) print_functions command_overlays
|
wenzelm@53990
|
308 |
|> sort_distinct overlay_ord
|
wenzelm@53987
|
309 |
|> map_filter get_print
|
wenzelm@53793
|
310 |
else filter (fn print => print_finished print andalso print_persistent print) old_prints;
|
wenzelm@53707
|
311 |
in
|
wenzelm@53737
|
312 |
if eq_list print_eq (old_prints, new_prints) then NONE else SOME new_prints
|
wenzelm@53707
|
313 |
end;
|
wenzelm@53648
|
314 |
|
wenzelm@53784
|
315 |
fun print_function name f =
|
wenzelm@53648
|
316 |
Synchronized.change print_functions (fn funs =>
|
wenzelm@53648
|
317 |
(if not (AList.defined (op =) funs name) then ()
|
wenzelm@53648
|
318 |
else warning ("Redefining command print function: " ^ quote name);
|
wenzelm@53784
|
319 |
AList.update (op =) (name, f) funs));
|
wenzelm@53648
|
320 |
|
wenzelm@53708
|
321 |
fun no_print_function name =
|
wenzelm@53708
|
322 |
Synchronized.change print_functions (filter_out (equal name o #1));
|
wenzelm@53708
|
323 |
|
wenzelm@53648
|
324 |
end;
|
wenzelm@53648
|
325 |
|
wenzelm@53663
|
326 |
val _ =
|
wenzelm@53784
|
327 |
print_function "print_state"
|
wenzelm@53987
|
328 |
(fn {command_name, ...} =>
|
wenzelm@54541
|
329 |
SOME {delay = NONE, pri = 1, persistent = false, strict = true,
|
wenzelm@53788
|
330 |
print_fn = fn tr => fn st' =>
|
wenzelm@53788
|
331 |
let
|
wenzelm@53788
|
332 |
val is_init = Keyword.is_theory_begin command_name;
|
wenzelm@53788
|
333 |
val is_proof = Keyword.is_proof command_name;
|
wenzelm@53788
|
334 |
val do_print =
|
wenzelm@53788
|
335 |
not is_init andalso
|
wenzelm@53788
|
336 |
(Toplevel.print_of tr orelse (is_proof andalso Toplevel.is_proof st'));
|
wenzelm@53788
|
337 |
in if do_print then Toplevel.print_state false st' else () end});
|
wenzelm@53646
|
338 |
|
wenzelm@53669
|
339 |
|
wenzelm@53737
|
340 |
(* combined execution *)
|
wenzelm@53669
|
341 |
|
wenzelm@53737
|
342 |
type exec = eval * print list;
|
wenzelm@53737
|
343 |
val no_exec: exec =
|
wenzelm@53737
|
344 |
(Eval {exec_id = Document_ID.none, eval_process = memo_value init_eval_state}, []);
|
wenzelm@53737
|
345 |
|
wenzelm@53737
|
346 |
fun exec_ids NONE = []
|
wenzelm@53737
|
347 |
| exec_ids (SOME (Eval {exec_id, ...}, prints)) =
|
wenzelm@53737
|
348 |
exec_id :: map (fn Print {exec_id, ...} => exec_id) prints;
|
wenzelm@53737
|
349 |
|
wenzelm@53737
|
350 |
local
|
wenzelm@53737
|
351 |
|
wenzelm@53788
|
352 |
fun run_print execution_id (Print {name, delay, pri, print_process, ...}) =
|
wenzelm@55113
|
353 |
if Multithreading.enabled () orelse pri <= 0 then
|
wenzelm@53788
|
354 |
let
|
wenzelm@53788
|
355 |
val group = Future.worker_subgroup ();
|
wenzelm@53788
|
356 |
fun fork () =
|
wenzelm@53788
|
357 |
memo_fork {name = name, group = SOME group, deps = [], pri = pri, interrupts = true}
|
wenzelm@53788
|
358 |
execution_id print_process;
|
wenzelm@53788
|
359 |
in
|
wenzelm@53899
|
360 |
(case delay of
|
wenzelm@53899
|
361 |
NONE => fork ()
|
wenzelm@53899
|
362 |
| SOME d => ignore (Event_Timer.request (Time.+ (Time.now (), d)) fork))
|
wenzelm@53788
|
363 |
end
|
wenzelm@53788
|
364 |
else memo_exec execution_id print_process;
|
wenzelm@53696
|
365 |
|
wenzelm@53737
|
366 |
in
|
wenzelm@53737
|
367 |
|
wenzelm@53744
|
368 |
fun exec execution_id (Eval {eval_process, ...}, prints) =
|
wenzelm@53744
|
369 |
(memo_exec execution_id eval_process; List.app (run_print execution_id) prints);
|
wenzelm@53669
|
370 |
|
wenzelm@48240
|
371 |
end;
|
wenzelm@48240
|
372 |
|
wenzelm@53737
|
373 |
end;
|
wenzelm@53737
|
374 |
|