author | wenzelm |
Sun, 08 Jul 2007 13:10:57 +0200 | |
changeset 23646 | df8103fc3c8a |
parent 23640 | baec2e674461 |
child 23661 | b3f05bc680b6 |
permissions | -rw-r--r-- |
5828 | 1 |
(* Title: Pure/Isar/toplevel.ML |
2 |
ID: $Id$ |
|
3 |
Author: Markus Wenzel, TU Muenchen |
|
4 |
||
5 |
The Isabelle/Isar toplevel. |
|
6 |
*) |
|
7 |
||
8 |
signature TOPLEVEL = |
|
9 |
sig |
|
19063 | 10 |
exception UNDEF |
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
11 |
type generic_theory |
18589 | 12 |
type node |
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
13 |
val theory_node: node -> generic_theory option |
18589 | 14 |
val proof_node: node -> ProofHistory.T option |
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
15 |
val cases_node: (generic_theory -> 'a) -> (Proof.state -> 'a) -> node -> 'a |
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
16 |
val presentation_context: node option -> xstring option -> Proof.context |
5828 | 17 |
type state |
7732 | 18 |
val is_toplevel: state -> bool |
18589 | 19 |
val is_theory: state -> bool |
20 |
val is_proof: state -> bool |
|
17076 | 21 |
val level: state -> int |
6689 | 22 |
val node_history_of: state -> node History.T |
5828 | 23 |
val node_of: state -> node |
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
24 |
val node_case: (generic_theory -> 'a) -> (Proof.state -> 'a) -> state -> 'a |
21506 | 25 |
val context_of: state -> Proof.context |
22089 | 26 |
val generic_theory_of: state -> generic_theory |
5828 | 27 |
val theory_of: state -> theory |
28 |
val proof_of: state -> Proof.state |
|
18589 | 29 |
val proof_position_of: state -> int |
21007 | 30 |
val enter_proof_body: state -> Proof.state |
16815 | 31 |
val print_state_context: state -> unit |
32 |
val print_state: bool -> state -> unit |
|
16682 | 33 |
val quiet: bool ref |
34 |
val debug: bool ref |
|
17321
227f1f5c3959
added interact flag to control mode of excursions;
wenzelm
parents:
17320
diff
changeset
|
35 |
val interact: bool ref |
16682 | 36 |
val timing: bool ref |
37 |
val profiling: int ref |
|
16815 | 38 |
val skip_proofs: bool ref |
5828 | 39 |
exception TERMINATE |
5990 | 40 |
exception RESTART |
20128
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
41 |
val exn_message: exn -> string |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
42 |
val program: (unit -> 'a) -> 'a |
16682 | 43 |
type transition |
6689 | 44 |
val undo_limit: bool -> int option |
5828 | 45 |
val empty: transition |
14923 | 46 |
val name_of: transition -> string |
47 |
val source_of: transition -> OuterLex.token list option |
|
5828 | 48 |
val name: string -> transition -> transition |
49 |
val position: Position.T -> transition -> transition |
|
14923 | 50 |
val source: OuterLex.token list -> transition -> transition |
5828 | 51 |
val interactive: bool -> transition -> transition |
52 |
val print: transition -> transition |
|
16607 | 53 |
val print': string -> transition -> transition |
17363 | 54 |
val three_buffersN: string |
55 |
val print3: transition -> transition |
|
9010 | 56 |
val no_timing: transition -> transition |
22056 | 57 |
val init_theory: (bool -> theory) -> (theory -> unit) -> (theory -> unit) -> |
58 |
transition -> transition |
|
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
59 |
val init_empty: (state -> unit) -> transition -> transition |
6689 | 60 |
val exit: transition -> transition |
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
61 |
val undo_exit: transition -> transition |
6689 | 62 |
val kill: transition -> transition |
20128
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
63 |
val history: (node History.T -> node History.T) -> transition -> transition |
5828 | 64 |
val keep: (state -> unit) -> transition -> transition |
7612 | 65 |
val keep': (bool -> state -> unit) -> transition -> transition |
5828 | 66 |
val imperative: (unit -> unit) -> transition -> transition |
67 |
val theory: (theory -> theory) -> transition -> transition |
|
7612 | 68 |
val theory': (bool -> theory -> theory) -> transition -> transition |
20985 | 69 |
val begin_local_theory: bool -> (theory -> local_theory) -> transition -> transition |
21007 | 70 |
val end_local_theory: transition -> transition |
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
71 |
val local_theory: xstring option -> (local_theory -> local_theory) -> transition -> transition |
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
72 |
val present_local_theory: xstring option -> (bool -> node -> unit) -> transition -> transition |
21007 | 73 |
val local_theory_to_proof: xstring option -> (local_theory -> Proof.state) -> |
74 |
transition -> transition |
|
17363 | 75 |
val theory_to_proof: (theory -> Proof.state) -> transition -> transition |
21007 | 76 |
val end_proof: (bool -> Proof.state -> Proof.context) -> transition -> transition |
77 |
val forget_proof: transition -> transition |
|
21177 | 78 |
val present_proof: (bool -> node -> unit) -> transition -> transition |
79 |
val proofs': (bool -> Proof.state -> Proof.state Seq.seq) -> transition -> transition |
|
17904
21c6894b5998
simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents:
17513
diff
changeset
|
80 |
val proof': (bool -> Proof.state -> Proof.state) -> transition -> transition |
21177 | 81 |
val proofs: (Proof.state -> Proof.state Seq.seq) -> transition -> transition |
82 |
val proof: (Proof.state -> Proof.state) -> transition -> transition |
|
16815 | 83 |
val actual_proof: (ProofHistory.T -> ProofHistory.T) -> transition -> transition |
84 |
val skip_proof: (int History.T -> int History.T) -> transition -> transition |
|
17904
21c6894b5998
simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents:
17513
diff
changeset
|
85 |
val skip_proof_to_theory: (int -> bool) -> transition -> transition |
9512 | 86 |
val unknown_theory: transition -> transition |
87 |
val unknown_proof: transition -> transition |
|
88 |
val unknown_context: transition -> transition |
|
17076 | 89 |
val present_excursion: (transition * (state -> state -> 'a -> 'a)) list -> 'a -> 'a |
5828 | 90 |
val excursion: transition list -> unit |
91 |
val set_state: state -> unit |
|
92 |
val get_state: unit -> state |
|
93 |
val exn: unit -> (exn * string) option |
|
94 |
val >> : transition -> bool |
|
14985 | 95 |
val >>> : transition list -> unit |
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
96 |
val init_state: unit -> unit |
14091 | 97 |
type 'a isar |
98 |
val loop: 'a isar -> unit |
|
5828 | 99 |
end; |
100 |
||
6965 | 101 |
structure Toplevel: TOPLEVEL = |
5828 | 102 |
struct |
103 |
||
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
104 |
|
5828 | 105 |
(** toplevel state **) |
106 |
||
19063 | 107 |
exception UNDEF; |
108 |
||
109 |
||
21294 | 110 |
(* local theory wrappers *) |
5828 | 111 |
|
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
112 |
type generic_theory = Context.generic; (*theory or local_theory*) |
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
113 |
|
21294 | 114 |
val loc_init = TheoryTarget.init; |
115 |
||
116 |
val loc_exit = ProofContext.theory_of o LocalTheory.exit; |
|
117 |
||
118 |
fun loc_begin loc (Context.Theory thy) = loc_init loc thy |
|
119 |
| loc_begin NONE (Context.Proof lthy) = lthy |
|
120 |
| loc_begin loc (Context.Proof lthy) = loc_init loc (loc_exit lthy); |
|
121 |
||
122 |
fun loc_finish _ (Context.Theory _) = Context.Theory o loc_exit |
|
123 |
| loc_finish NONE (Context.Proof _) = Context.Proof o LocalTheory.restore |
|
124 |
| loc_finish (SOME _) (Context.Proof lthy) = Context.Proof o LocalTheory.reinit lthy o loc_exit; |
|
125 |
||
126 |
||
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
127 |
(* datatype node *) |
21294 | 128 |
|
5828 | 129 |
datatype node = |
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
130 |
Theory of generic_theory * Proof.context option | (*theory with presentation context*) |
21007 | 131 |
Proof of ProofHistory.T * ((Proof.context -> generic_theory) * generic_theory) | |
132 |
(*history of proof states, finish, original theory*) |
|
133 |
SkipProof of int History.T * (generic_theory * generic_theory); |
|
18563 | 134 |
(*history of proof depths, resulting theory, original theory*) |
5828 | 135 |
|
22056 | 136 |
val the_global_theory = fn Theory (Context.Theory thy, _) => thy | _ => raise UNDEF; |
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
137 |
val theory_node = fn Theory (gthy, _) => SOME gthy | _ => NONE; |
18589 | 138 |
val proof_node = fn Proof (prf, _) => SOME prf | _ => NONE; |
139 |
||
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
140 |
fun cases_node f _ (Theory (gthy, _)) = f gthy |
19063 | 141 |
| cases_node _ g (Proof (prf, _)) = g (ProofHistory.current prf) |
21007 | 142 |
| cases_node f _ (SkipProof (_, (gthy, _))) = f gthy; |
19063 | 143 |
|
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
144 |
fun presentation_context (SOME (Theory (_, SOME ctxt))) NONE = ctxt |
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
145 |
| presentation_context (SOME node) NONE = cases_node Context.proof_of Proof.context_of node |
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
146 |
| presentation_context (SOME node) (SOME loc) = |
21294 | 147 |
loc_init (SOME loc) (cases_node Context.theory_of Proof.theory_of node) |
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
148 |
| presentation_context NONE _ = raise UNDEF; |
19063 | 149 |
|
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
150 |
|
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
151 |
(* datatype state *) |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
152 |
|
22056 | 153 |
type state_info = node History.T * ((theory -> unit) * (theory -> unit)); |
5828 | 154 |
|
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
155 |
datatype state = |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
156 |
Toplevel of state_info option | (*outer toplevel, leftover end state*) |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
157 |
State of state_info; |
5828 | 158 |
|
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
159 |
val toplevel = Toplevel NONE; |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
160 |
|
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
161 |
fun is_toplevel (Toplevel _) = true |
7732 | 162 |
| is_toplevel _ = false; |
163 |
||
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
164 |
fun level (Toplevel _) = 0 |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
165 |
| level (State (node, _)) = |
17076 | 166 |
(case History.current node of |
21310
bfcc24fc7c46
level: do not account for local theory blocks (relevant for document preparation);
wenzelm
parents:
21294
diff
changeset
|
167 |
Theory _ => 0 |
bfcc24fc7c46
level: do not account for local theory blocks (relevant for document preparation);
wenzelm
parents:
21294
diff
changeset
|
168 |
| Proof (prf, _) => Proof.level (ProofHistory.current prf) |
bfcc24fc7c46
level: do not account for local theory blocks (relevant for document preparation);
wenzelm
parents:
21294
diff
changeset
|
169 |
| SkipProof (h, _) => History.current h + 1); (*different notion of proof depth!*) |
17076 | 170 |
|
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
171 |
fun str_of_state (Toplevel _) = "at top level" |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
172 |
| str_of_state (State (node, _)) = |
16815 | 173 |
(case History.current node of |
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
174 |
Theory (Context.Theory _, _) => "in theory mode" |
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
175 |
| Theory (Context.Proof _, _) => "in local theory mode" |
16815 | 176 |
| Proof _ => "in proof mode" |
177 |
| SkipProof _ => "in skipped proof mode"); |
|
5946
a4600d21b59b
print_state hook, obeys Goals.current_goals_markers by default;
wenzelm
parents:
5939
diff
changeset
|
178 |
|
a4600d21b59b
print_state hook, obeys Goals.current_goals_markers by default;
wenzelm
parents:
5939
diff
changeset
|
179 |
|
5828 | 180 |
(* top node *) |
181 |
||
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
182 |
fun node_history_of (Toplevel _) = raise UNDEF |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
183 |
| node_history_of (State (node, _)) = node; |
6689 | 184 |
|
185 |
val node_of = History.current o node_history_of; |
|
5828 | 186 |
|
18589 | 187 |
fun is_theory state = not (is_toplevel state) andalso is_some (theory_node (node_of state)); |
188 |
fun is_proof state = not (is_toplevel state) andalso is_some (proof_node (node_of state)); |
|
189 |
||
19063 | 190 |
fun node_case f g state = cases_node f g (node_of state); |
5828 | 191 |
|
21506 | 192 |
val context_of = node_case Context.proof_of Proof.context_of; |
22089 | 193 |
val generic_theory_of = node_case I (Context.Proof o Proof.context_of); |
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
194 |
val theory_of = node_case Context.theory_of Proof.theory_of; |
18589 | 195 |
val proof_of = node_case (fn _ => raise UNDEF) I; |
17208 | 196 |
|
18589 | 197 |
fun proof_position_of state = |
198 |
(case node_of state of |
|
199 |
Proof (prf, _) => ProofHistory.position prf |
|
200 |
| _ => raise UNDEF); |
|
6664 | 201 |
|
21007 | 202 |
val enter_proof_body = node_case (Proof.init o Context.proof_of) Proof.enter_forward; |
5828 | 203 |
|
204 |
||
16815 | 205 |
(* print state *) |
206 |
||
21294 | 207 |
val pretty_context = LocalTheory.pretty o Context.cases (loc_init NONE) I; |
16815 | 208 |
|
23640
baec2e674461
toplevel prompt/print_state: proper markup, removed hooks;
wenzelm
parents:
23619
diff
changeset
|
209 |
fun print_state_context state = |
21506 | 210 |
(case try (node_case I (Context.Proof o Proof.context_of)) state of |
211 |
NONE => [] |
|
23640
baec2e674461
toplevel prompt/print_state: proper markup, removed hooks;
wenzelm
parents:
23619
diff
changeset
|
212 |
| SOME gthy => pretty_context gthy) |
baec2e674461
toplevel prompt/print_state: proper markup, removed hooks;
wenzelm
parents:
23619
diff
changeset
|
213 |
|> Pretty.chunks |> Pretty.writeln; |
16815 | 214 |
|
23640
baec2e674461
toplevel prompt/print_state: proper markup, removed hooks;
wenzelm
parents:
23619
diff
changeset
|
215 |
fun print_state prf_only state = |
23646 | 216 |
let val prts = |
217 |
(case try node_of state of |
|
218 |
NONE => [] |
|
219 |
| SOME (Theory (gthy, _)) => if prf_only then [] else pretty_context gthy |
|
220 |
| SOME (Proof (prf, _)) => |
|
221 |
Proof.pretty_state (ProofHistory.position prf) (ProofHistory.current prf) |
|
222 |
| SOME (SkipProof (h, _)) => |
|
223 |
[Pretty.str ("skipped proof: depth " ^ string_of_int (History.current h))]) |
|
224 |
in Pretty.markup_chunks (if null prts then Markup.no_state else Markup.state) prts end |
|
23640
baec2e674461
toplevel prompt/print_state: proper markup, removed hooks;
wenzelm
parents:
23619
diff
changeset
|
225 |
|> Pretty.writeln; |
16815 | 226 |
|
227 |
||
15668 | 228 |
|
5828 | 229 |
(** toplevel transitions **) |
230 |
||
16682 | 231 |
val quiet = ref false; |
22135 | 232 |
val debug = Output.debugging; |
17321
227f1f5c3959
added interact flag to control mode of excursions;
wenzelm
parents:
17320
diff
changeset
|
233 |
val interact = ref false; |
16682 | 234 |
val timing = Output.timing; |
235 |
val profiling = ref 0; |
|
16815 | 236 |
val skip_proofs = ref false; |
16682 | 237 |
|
5828 | 238 |
exception TERMINATE; |
5990 | 239 |
exception RESTART; |
7022 | 240 |
exception EXCURSION_FAIL of exn * string; |
6689 | 241 |
exception FAILURE of state * exn; |
5828 | 242 |
|
20128
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
243 |
|
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
244 |
(* print exceptions *) |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
245 |
|
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
246 |
local |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
247 |
|
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
248 |
fun with_context f xs = |
22095
07875394618e
moved ML context stuff to from Context to ML_Context;
wenzelm
parents:
22089
diff
changeset
|
249 |
(case ML_Context.get_context () of NONE => [] |
22089 | 250 |
| SOME context => map (f (Context.proof_of context)) xs); |
20128
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
251 |
|
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
252 |
fun raised name [] = "exception " ^ name ^ " raised" |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
253 |
| raised name [msg] = "exception " ^ name ^ " raised: " ^ msg |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
254 |
| raised name msgs = cat_lines (("exception " ^ name ^ " raised:") :: msgs); |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
255 |
|
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
256 |
fun exn_msg _ TERMINATE = "Exit." |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
257 |
| exn_msg _ RESTART = "Restart." |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
258 |
| exn_msg _ Interrupt = "Interrupt." |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
259 |
| exn_msg _ Output.TOPLEVEL_ERROR = "Error." |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
260 |
| exn_msg _ (SYS_ERROR msg) = "## SYSTEM ERROR ##\n" ^ msg |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
261 |
| exn_msg _ (ERROR msg) = msg |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
262 |
| exn_msg detailed (EXCEPTION (exn, msg)) = cat_lines [exn_msg detailed exn, msg] |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
263 |
| exn_msg detailed (EXCURSION_FAIL (exn, msg)) = cat_lines [exn_msg detailed exn, msg] |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
264 |
| exn_msg false (THEORY (msg, _)) = msg |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
265 |
| exn_msg true (THEORY (msg, thys)) = raised "THEORY" (msg :: map Context.str_of_thy thys) |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
266 |
| exn_msg detailed (MetaSimplifier.SIMPROC_FAIL (name, exn)) = |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
267 |
fail_msg detailed "simproc" ((name, Position.none), exn) |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
268 |
| exn_msg detailed (Attrib.ATTRIB_FAIL info) = fail_msg detailed "attribute" info |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
269 |
| exn_msg detailed (Method.METHOD_FAIL info) = fail_msg detailed "method" info |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
270 |
| exn_msg detailed (Antiquote.ANTIQUOTE_FAIL info) = fail_msg detailed "antiquotation" info |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
271 |
| exn_msg false (Syntax.AST (msg, _)) = raised "AST" [msg] |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
272 |
| exn_msg true (Syntax.AST (msg, asts)) = |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
273 |
raised "AST" (msg :: map (Pretty.string_of o Syntax.pretty_ast) asts) |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
274 |
| exn_msg false (TYPE (msg, _, _)) = raised "TYPE" [msg] |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
275 |
| exn_msg true (TYPE (msg, Ts, ts)) = raised "TYPE" (msg :: |
22089 | 276 |
with_context ProofContext.string_of_typ Ts @ with_context ProofContext.string_of_term ts) |
20128
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
277 |
| exn_msg false (TERM (msg, _)) = raised "TERM" [msg] |
22089 | 278 |
| exn_msg true (TERM (msg, ts)) = |
279 |
raised "TERM" (msg :: with_context ProofContext.string_of_term ts) |
|
20128
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
280 |
| exn_msg false (THM (msg, _, _)) = raised "THM" [msg] |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
281 |
| exn_msg true (THM (msg, i, thms)) = |
22089 | 282 |
raised ("THM " ^ string_of_int i) (msg :: with_context ProofContext.string_of_thm thms) |
20128
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
283 |
| exn_msg _ Option.Option = raised "Option" [] |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
284 |
| exn_msg _ Library.UnequalLengths = raised "UnequalLengths" [] |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
285 |
| exn_msg _ Empty = raised "Empty" [] |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
286 |
| exn_msg _ Subscript = raised "Subscript" [] |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
287 |
| exn_msg _ (Fail msg) = raised "Fail" [msg] |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
288 |
| exn_msg _ exn = General.exnMessage exn |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
289 |
and fail_msg detailed kind ((name, pos), exn) = |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
290 |
"Error in " ^ kind ^ " " ^ quote name ^ Position.str_of pos ^ ":\n" ^ exn_msg detailed exn; |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
291 |
|
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
292 |
in |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
293 |
|
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
294 |
fun exn_message exn = exn_msg (! debug) exn; |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
295 |
|
22014
4b70cbd96007
removed Toplevel.print_exn hook -- existing error_msg_fn does the job;
wenzelm
parents:
21986
diff
changeset
|
296 |
fun print_exn NONE = () |
4b70cbd96007
removed Toplevel.print_exn hook -- existing error_msg_fn does the job;
wenzelm
parents:
21986
diff
changeset
|
297 |
| print_exn (SOME (exn, s)) = Output.error_msg (cat_lines [exn_message exn, s]); |
20128
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
298 |
|
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
299 |
end; |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
300 |
|
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
301 |
|
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
302 |
(* controlled execution *) |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
303 |
|
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
304 |
local |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
305 |
|
18685 | 306 |
fun debugging f x = |
307 |
if ! debug then |
|
308 |
setmp Library.do_transform_failure false |
|
309 |
exception_trace (fn () => f x) |
|
310 |
else f x; |
|
311 |
||
20128
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
312 |
fun interruptible f x = |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
313 |
let val y = ref x |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
314 |
in raise_interrupt (fn () => y := f x) (); ! y end; |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
315 |
|
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
316 |
in |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
317 |
|
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
318 |
fun controlled_execution f = |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
319 |
f |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
320 |
|> debugging |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
321 |
|> interruptible |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
322 |
|> setmp Output.do_toplevel_errors false; |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
323 |
|
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
324 |
fun program f = |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
325 |
Output.ML_errors (fn () => debugging f () handle exn => error (exn_message exn)) (); |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
326 |
|
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
327 |
end; |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
328 |
|
5828 | 329 |
|
16815 | 330 |
(* node transactions and recovery from stale theories *) |
6689 | 331 |
|
16815 | 332 |
(*NB: proof commands should be non-destructive!*) |
7022 | 333 |
|
6689 | 334 |
local |
335 |
||
16452 | 336 |
fun is_stale state = Context.is_stale (theory_of state) handle UNDEF => false; |
6689 | 337 |
|
18685 | 338 |
val stale_theory = ERROR "Stale theory encountered after succesful execution!"; |
16815 | 339 |
|
23363
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
340 |
fun map_theory f = History.map_current |
21177 | 341 |
(fn Theory (gthy, _) => Theory (Context.mapping f (LocalTheory.raw_theory f) gthy, NONE) |
342 |
| node => node); |
|
6689 | 343 |
|
23363
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
344 |
fun context_position pos = History.map_current |
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
345 |
(fn Theory (Context.Proof lthy, ctxt) => |
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
346 |
Theory (Context.Proof (ContextPosition.put pos lthy), ctxt) |
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
347 |
| Proof (prf, x) => |
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
348 |
Proof (ProofHistory.map_current (Proof.map_context (ContextPosition.put pos)) prf, x) |
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
349 |
| node => node); |
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
350 |
|
15531 | 351 |
fun return (result, NONE) = result |
352 |
| return (result, SOME exn) = raise FAILURE (result, exn); |
|
7022 | 353 |
|
6689 | 354 |
in |
355 |
||
23363
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
356 |
fun transaction hist pos f (node, term) = |
20128
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
357 |
let |
21177 | 358 |
val cont_node = map_theory Theory.checkpoint node; |
359 |
val back_node = map_theory Theory.copy cont_node; |
|
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
360 |
fun state nd = State (nd, term); |
20128
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
361 |
fun normal_state nd = (state nd, NONE); |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
362 |
fun error_state nd exn = (state nd, SOME exn); |
6689 | 363 |
|
20128
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
364 |
val (result, err) = |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
365 |
cont_node |
23363
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
366 |
|> context_position pos |
20128
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
367 |
|> (f |
23363
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
368 |
|> (if hist then History.apply' (History.current back_node) else History.map_current) |
20128
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
369 |
|> controlled_execution) |
23363
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
370 |
|> context_position Position.none |
20128
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
371 |
|> normal_state |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
372 |
handle exn => error_state cont_node exn; |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
373 |
in |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
374 |
if is_stale result |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
375 |
then return (error_state back_node (the_default stale_theory err)) |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
376 |
else return (result, err) |
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
377 |
end; |
6689 | 378 |
|
379 |
end; |
|
380 |
||
381 |
||
382 |
(* primitive transitions *) |
|
383 |
||
18563 | 384 |
(*Note: Recovery from stale theories is provided only for theory-level |
18589 | 385 |
operations via Transaction. Other node or state operations should |
386 |
not touch theories at all. Interrupts are enabled only for Keep and |
|
387 |
Transaction.*) |
|
5828 | 388 |
|
389 |
datatype trans = |
|
22056 | 390 |
Init of (bool -> theory) * ((theory -> unit) * (theory -> unit)) | |
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
391 |
(*init node; with exit/kill operation*) |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
392 |
InitEmpty of state -> unit | (*init empty toplevel*) |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
393 |
Exit | (*conclude node -- deferred until init*) |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
394 |
UndoExit | (*continue after conclusion*) |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
395 |
Kill | (*abort node*) |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
396 |
History of node History.T -> node History.T | (*history operation (undo etc.)*) |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
397 |
Keep of bool -> state -> unit | (*peek at state*) |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
398 |
Transaction of bool * (bool -> node -> node); (*node transaction*) |
6689 | 399 |
|
15531 | 400 |
fun undo_limit int = if int then NONE else SOME 0; |
6689 | 401 |
|
22056 | 402 |
fun safe_exit (Toplevel (SOME (node, (exit, _)))) = |
403 |
(case try the_global_theory (History.current node) of |
|
404 |
SOME thy => exit thy |
|
405 |
| NONE => ()) |
|
406 |
| safe_exit _ = (); |
|
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
407 |
|
6689 | 408 |
local |
5828 | 409 |
|
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
410 |
fun keep_state int f = controlled_execution (fn x => tap (f int) x); |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
411 |
|
23363
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
412 |
fun apply_tr int _ (Init (f, term)) (state as Toplevel _) = |
22056 | 413 |
let val node = Theory (Context.Theory (f int), NONE) |
414 |
in safe_exit state; State (History.init (undo_limit int) node, term) end |
|
23363
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
415 |
| apply_tr int _ (InitEmpty f) state = |
22056 | 416 |
(keep_state int (K f) state; safe_exit state; toplevel) |
23363
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
417 |
| apply_tr _ _ Exit (State (node, term)) = |
22056 | 418 |
(the_global_theory (History.current node); Toplevel (SOME (node, term))) |
23363
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
419 |
| apply_tr _ _ UndoExit (Toplevel (SOME state_info)) = State state_info |
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
420 |
| apply_tr _ _ Kill (State (node, (_, kill))) = |
22056 | 421 |
(kill (the_global_theory (History.current node)); toplevel) |
23363
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
422 |
| apply_tr _ _ (History f) (State (node, term)) = State (f node, term) |
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
423 |
| apply_tr int _ (Keep f) state = keep_state int f state |
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
424 |
| apply_tr int pos (Transaction (hist, f)) (State state) = |
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
425 |
transaction hist pos (fn x => f int x) state |
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
426 |
| apply_tr _ _ _ _ = raise UNDEF; |
5828 | 427 |
|
23363
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
428 |
fun apply_union _ _ [] state = raise FAILURE (state, UNDEF) |
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
429 |
| apply_union int pos (tr :: trs) state = |
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
430 |
apply_tr int pos tr state |
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
431 |
handle UNDEF => apply_union int pos trs state |
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
432 |
| FAILURE (alt_state, UNDEF) => apply_union int pos trs alt_state |
6689 | 433 |
| exn as FAILURE _ => raise exn |
434 |
| exn => raise FAILURE (state, exn); |
|
435 |
||
436 |
in |
|
437 |
||
23363
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
438 |
fun apply_trans int pos trs state = (apply_union int pos trs state, NONE) |
15531 | 439 |
handle FAILURE (alt_state, exn) => (alt_state, SOME exn) | exn => (state, SOME exn); |
6689 | 440 |
|
441 |
end; |
|
5828 | 442 |
|
443 |
||
444 |
(* datatype transition *) |
|
445 |
||
446 |
datatype transition = Transition of |
|
16815 | 447 |
{name: string, (*command name*) |
448 |
pos: Position.T, (*source position*) |
|
449 |
source: OuterLex.token list option, (*source text*) |
|
450 |
int_only: bool, (*interactive-only*) |
|
451 |
print: string list, (*print modes (union)*) |
|
452 |
no_timing: bool, (*suppress timing*) |
|
453 |
trans: trans list}; (*primitive transitions (union)*) |
|
5828 | 454 |
|
14923 | 455 |
fun make_transition (name, pos, source, int_only, print, no_timing, trans) = |
456 |
Transition {name = name, pos = pos, source = source, |
|
457 |
int_only = int_only, print = print, no_timing = no_timing, trans = trans}; |
|
5828 | 458 |
|
14923 | 459 |
fun map_transition f (Transition {name, pos, source, int_only, print, no_timing, trans}) = |
460 |
make_transition (f (name, pos, source, int_only, print, no_timing, trans)); |
|
5828 | 461 |
|
16607 | 462 |
val empty = make_transition ("<unknown>", Position.none, NONE, false, [], false, []); |
14923 | 463 |
|
464 |
fun name_of (Transition {name, ...}) = name; |
|
465 |
fun source_of (Transition {source, ...}) = source; |
|
5828 | 466 |
|
467 |
||
468 |
(* diagnostics *) |
|
469 |
||
470 |
fun str_of_transition (Transition {name, pos, ...}) = quote name ^ Position.str_of pos; |
|
471 |
||
472 |
fun command_msg msg tr = msg ^ "command " ^ str_of_transition tr; |
|
473 |
fun at_command tr = command_msg "At " tr ^ "."; |
|
474 |
||
475 |
fun type_error tr state = |
|
18685 | 476 |
ERROR (command_msg "Illegal application of " tr ^ " " ^ str_of_state state); |
5828 | 477 |
|
478 |
||
479 |
(* modify transitions *) |
|
480 |
||
14923 | 481 |
fun name nm = map_transition (fn (_, pos, source, int_only, print, no_timing, trans) => |
482 |
(nm, pos, source, int_only, print, no_timing, trans)); |
|
5828 | 483 |
|
14923 | 484 |
fun position pos = map_transition (fn (name, _, source, int_only, print, no_timing, trans) => |
485 |
(name, pos, source, int_only, print, no_timing, trans)); |
|
9010 | 486 |
|
14923 | 487 |
fun source src = map_transition (fn (name, pos, _, int_only, print, no_timing, trans) => |
15531 | 488 |
(name, pos, SOME src, int_only, print, no_timing, trans)); |
5828 | 489 |
|
14923 | 490 |
fun interactive int_only = map_transition (fn (name, pos, source, _, print, no_timing, trans) => |
491 |
(name, pos, source, int_only, print, no_timing, trans)); |
|
492 |
||
17363 | 493 |
val no_timing = map_transition (fn (name, pos, source, int_only, print, _, trans) => |
494 |
(name, pos, source, int_only, print, true, trans)); |
|
495 |
||
496 |
fun add_trans tr = map_transition (fn (name, pos, source, int_only, print, no_timing, trans) => |
|
497 |
(name, pos, source, int_only, print, no_timing, trans @ [tr])); |
|
498 |
||
16607 | 499 |
fun print' mode = map_transition (fn (name, pos, source, int_only, print, no_timing, trans) => |
500 |
(name, pos, source, int_only, insert (op =) mode print, no_timing, trans)); |
|
501 |
||
502 |
val print = print' ""; |
|
5828 | 503 |
|
17363 | 504 |
val three_buffersN = "three_buffers"; |
505 |
val print3 = print' three_buffersN; |
|
5828 | 506 |
|
507 |
||
21007 | 508 |
(* basic transitions *) |
5828 | 509 |
|
22056 | 510 |
fun init_theory f exit kill = add_trans (Init (f, (exit, kill))); |
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
511 |
val init_empty = add_trans o InitEmpty; |
6689 | 512 |
val exit = add_trans Exit; |
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
513 |
val undo_exit = add_trans UndoExit; |
6689 | 514 |
val kill = add_trans Kill; |
20128
8f0e07d7cf92
keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents:
19996
diff
changeset
|
515 |
val history = add_trans o History; |
7612 | 516 |
val keep' = add_trans o Keep; |
18592
451d622bb4a9
transactions now always see quasi-functional intermediate checkpoint;
wenzelm
parents:
18589
diff
changeset
|
517 |
fun map_current f = add_trans (Transaction (false, f)); |
451d622bb4a9
transactions now always see quasi-functional intermediate checkpoint;
wenzelm
parents:
18589
diff
changeset
|
518 |
fun app_current f = add_trans (Transaction (true, f)); |
5828 | 519 |
|
7612 | 520 |
fun keep f = add_trans (Keep (fn _ => f)); |
5828 | 521 |
fun imperative f = keep (fn _ => f ()); |
522 |
||
21007 | 523 |
val unknown_theory = imperative (fn () => warning "Unknown theory context"); |
524 |
val unknown_proof = imperative (fn () => warning "Unknown proof context"); |
|
525 |
val unknown_context = imperative (fn () => warning "Unknown context"); |
|
15668 | 526 |
|
21007 | 527 |
|
528 |
(* theory transitions *) |
|
15668 | 529 |
|
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
530 |
fun theory' f = app_current (fn int => |
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
531 |
(fn Theory (Context.Theory thy, _) => Theory (Context.Theory (f int thy), NONE) |
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
532 |
| _ => raise UNDEF)); |
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
533 |
|
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
534 |
fun theory f = theory' (K f); |
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
535 |
|
21294 | 536 |
fun begin_local_theory begin f = app_current (fn _ => |
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
537 |
(fn Theory (Context.Theory thy, _) => |
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
538 |
let |
20985 | 539 |
val lthy = f thy; |
21294 | 540 |
val gthy = if begin then Context.Proof lthy else Context.Theory (loc_exit lthy); |
541 |
in Theory (gthy, SOME lthy) end |
|
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
542 |
| _ => raise UNDEF)); |
17076 | 543 |
|
21294 | 544 |
val end_local_theory = app_current (fn _ => |
545 |
(fn Theory (Context.Proof lthy, _) => Theory (Context.Theory (loc_exit lthy), SOME lthy) |
|
21007 | 546 |
| _ => raise UNDEF)); |
547 |
||
548 |
local |
|
549 |
||
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
550 |
fun local_theory_presentation loc f g = app_current (fn int => |
21294 | 551 |
(fn Theory (gthy, _) => |
552 |
let |
|
553 |
val finish = loc_finish loc gthy; |
|
554 |
val lthy' = f (loc_begin loc gthy); |
|
555 |
in Theory (finish lthy', SOME lthy') end |
|
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
556 |
| _ => raise UNDEF) #> tap (g int)); |
15668 | 557 |
|
21007 | 558 |
in |
559 |
||
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
560 |
fun local_theory loc f = local_theory_presentation loc f (K I); |
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
561 |
fun present_local_theory loc g = local_theory_presentation loc I g; |
18955 | 562 |
|
21007 | 563 |
end; |
564 |
||
565 |
||
566 |
(* proof transitions *) |
|
567 |
||
568 |
fun end_proof f = map_current (fn int => |
|
569 |
(fn Proof (prf, (finish, orig_gthy)) => |
|
570 |
let val state = ProofHistory.current prf in |
|
571 |
if can (Proof.assert_bottom true) state then |
|
572 |
let |
|
573 |
val ctxt' = f int state; |
|
574 |
val gthy' = finish ctxt'; |
|
575 |
in Theory (gthy', SOME ctxt') end |
|
576 |
else raise UNDEF |
|
577 |
end |
|
578 |
| SkipProof (h, (gthy, _)) => |
|
579 |
if History.current h = 0 then Theory (gthy, NONE) else raise UNDEF |
|
580 |
| _ => raise UNDEF)); |
|
581 |
||
21294 | 582 |
local |
583 |
||
584 |
fun begin_proof init finish = app_current (fn int => |
|
585 |
(fn Theory (gthy, _) => |
|
586 |
let |
|
587 |
val prf = init gthy; |
|
588 |
val schematic = Proof.schematic_goal prf; |
|
589 |
in |
|
590 |
if ! skip_proofs andalso schematic then |
|
591 |
warning "Cannot skip proof of schematic goal statement" |
|
592 |
else (); |
|
593 |
if ! skip_proofs andalso not schematic then |
|
594 |
SkipProof |
|
595 |
(History.init (undo_limit int) 0, (finish gthy (Proof.global_skip_proof int prf), gthy)) |
|
596 |
else Proof (ProofHistory.init (undo_limit int) prf, (finish gthy, gthy)) |
|
597 |
end |
|
598 |
| _ => raise UNDEF)); |
|
599 |
||
600 |
in |
|
601 |
||
602 |
fun local_theory_to_proof loc f = begin_proof (f o loc_begin loc) (loc_finish loc); |
|
603 |
||
604 |
fun theory_to_proof f = begin_proof |
|
605 |
(fn Context.Theory thy => f thy | _ => raise UNDEF) |
|
606 |
(K (Context.Theory o ProofContext.theory_of)); |
|
607 |
||
608 |
end; |
|
609 |
||
21007 | 610 |
val forget_proof = map_current (fn _ => |
611 |
(fn Proof (_, (_, orig_gthy)) => Theory (orig_gthy, NONE) |
|
612 |
| SkipProof (_, (_, orig_gthy)) => Theory (orig_gthy, NONE) |
|
613 |
| _ => raise UNDEF)); |
|
614 |
||
21177 | 615 |
fun present_proof f = map_current (fn int => |
616 |
(fn Proof (prf, x) => Proof (ProofHistory.apply I prf, x) |
|
617 |
| SkipProof (h, x) => SkipProof (History.apply I h, x) |
|
618 |
| _ => raise UNDEF) #> tap (f int)); |
|
619 |
||
17904
21c6894b5998
simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents:
17513
diff
changeset
|
620 |
fun proofs' f = map_current (fn int => |
21007 | 621 |
(fn Proof (prf, x) => Proof (ProofHistory.applys (f int) prf, x) |
622 |
| SkipProof (h, x) => SkipProof (History.apply I h, x) |
|
16815 | 623 |
| _ => raise UNDEF)); |
15668 | 624 |
|
17904
21c6894b5998
simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents:
17513
diff
changeset
|
625 |
fun proof' f = proofs' (Seq.single oo f); |
21c6894b5998
simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents:
17513
diff
changeset
|
626 |
val proofs = proofs' o K; |
6689 | 627 |
val proof = proof' o K; |
16815 | 628 |
|
629 |
fun actual_proof f = map_current (fn _ => |
|
21007 | 630 |
(fn Proof (prf, x) => Proof (f prf, x) |
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
631 |
| _ => raise UNDEF)); |
16815 | 632 |
|
633 |
fun skip_proof f = map_current (fn _ => |
|
21007 | 634 |
(fn SkipProof (h, x) => SkipProof (f h, x) |
18563 | 635 |
| _ => raise UNDEF)); |
636 |
||
16815 | 637 |
fun skip_proof_to_theory p = map_current (fn _ => |
21007 | 638 |
(fn SkipProof (h, (gthy, _)) => |
639 |
if p (History.current h) then Theory (gthy, NONE) |
|
17904
21c6894b5998
simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents:
17513
diff
changeset
|
640 |
else raise UNDEF |
21c6894b5998
simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents:
17513
diff
changeset
|
641 |
| _ => raise UNDEF)); |
5828 | 642 |
|
643 |
||
644 |
||
645 |
(** toplevel transactions **) |
|
646 |
||
647 |
(* apply transitions *) |
|
648 |
||
6664 | 649 |
local |
650 |
||
23363
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
651 |
fun app int (tr as Transition {trans, pos, int_only, print, no_timing, ...}) state = |
5828 | 652 |
let |
21962 | 653 |
val _ = |
654 |
if not int andalso int_only then warning (command_msg "Interactive-only " tr) |
|
655 |
else (); |
|
16682 | 656 |
|
22588 | 657 |
fun do_timing f x = (warning (command_msg "" tr); timeap f x); |
16682 | 658 |
fun do_profiling f x = profile (! profiling) f x; |
659 |
||
6689 | 660 |
val (result, opt_exn) = |
23363
9981199bf865
transaction: context_position (non-destructive only);
wenzelm
parents:
22588
diff
changeset
|
661 |
state |> (apply_trans int pos trans |
23428 | 662 |
|> (if ! profiling > 0 andalso not no_timing then do_profiling else I) |
16729 | 663 |
|> (if ! profiling > 0 orelse ! timing andalso not no_timing then do_timing else I)); |
21962 | 664 |
val _ = |
665 |
if int andalso not (! quiet) andalso exists (member (op =) print) ("" :: ! print_mode) |
|
666 |
then print_state false result else (); |
|
15570 | 667 |
in (result, Option.map (fn UNDEF => type_error tr state | exn => exn) opt_exn) end; |
6664 | 668 |
|
669 |
in |
|
5828 | 670 |
|
6689 | 671 |
fun apply int tr st = |
6965 | 672 |
(case app int tr st of |
15531 | 673 |
(_, SOME TERMINATE) => NONE |
674 |
| (_, SOME RESTART) => SOME (toplevel, NONE) |
|
675 |
| (state', SOME (EXCURSION_FAIL exn_info)) => SOME (state', SOME exn_info) |
|
676 |
| (state', SOME exn) => SOME (state', SOME (exn, at_command tr)) |
|
677 |
| (state', NONE) => SOME (state', NONE)); |
|
6664 | 678 |
|
679 |
end; |
|
5828 | 680 |
|
681 |
||
17076 | 682 |
(* excursion: toplevel -- apply transformers/presentation -- toplevel *) |
5828 | 683 |
|
6664 | 684 |
local |
685 |
||
5828 | 686 |
fun excur [] x = x |
17076 | 687 |
| excur ((tr, pr) :: trs) (st, res) = |
17321
227f1f5c3959
added interact flag to control mode of excursions;
wenzelm
parents:
17320
diff
changeset
|
688 |
(case apply (! interact) tr st of |
15531 | 689 |
SOME (st', NONE) => |
18685 | 690 |
excur trs (st', pr st st' res handle exn => |
10324 | 691 |
raise EXCURSION_FAIL (exn, "Presentation failed\n" ^ at_command tr)) |
15531 | 692 |
| SOME (st', SOME exn_info) => raise EXCURSION_FAIL exn_info |
693 |
| NONE => raise EXCURSION_FAIL (TERMINATE, at_command tr)); |
|
5828 | 694 |
|
17076 | 695 |
fun no_pr _ _ _ = (); |
696 |
||
6664 | 697 |
in |
698 |
||
17076 | 699 |
fun present_excursion trs res = |
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
700 |
(case excur trs (toplevel, res) of |
22056 | 701 |
(state as Toplevel _, res') => (safe_exit state; res') |
18685 | 702 |
| _ => error "Unfinished development at end of input") |
9134 | 703 |
handle exn => error (exn_message exn); |
704 |
||
17076 | 705 |
fun excursion trs = present_excursion (map (rpair no_pr) trs) (); |
7062 | 706 |
|
6664 | 707 |
end; |
708 |
||
5828 | 709 |
|
710 |
||
711 |
(** interactive transformations **) |
|
712 |
||
713 |
(* the global state reference *) |
|
714 |
||
15531 | 715 |
val global_state = ref (toplevel, NONE: (exn * string) option); |
5828 | 716 |
|
15531 | 717 |
fun set_state state = global_state := (state, NONE); |
5828 | 718 |
fun get_state () = fst (! global_state); |
719 |
fun exn () = snd (! global_state); |
|
720 |
||
721 |
||
722 |
(* apply transformers to global state *) |
|
723 |
||
14985 | 724 |
nonfix >> >>>; |
5828 | 725 |
|
726 |
fun >> tr = |
|
727 |
(case apply true tr (get_state ()) of |
|
15531 | 728 |
NONE => false |
729 |
| SOME (state', exn_info) => |
|
5828 | 730 |
(global_state := (state', exn_info); |
22014
4b70cbd96007
removed Toplevel.print_exn hook -- existing error_msg_fn does the job;
wenzelm
parents:
21986
diff
changeset
|
731 |
print_exn exn_info; |
5828 | 732 |
true)); |
733 |
||
14985 | 734 |
fun >>> [] = () |
735 |
| >>> (tr :: trs) = if >> tr then >>> trs else (); |
|
736 |
||
21958
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
737 |
fun init_state () = (>> (init_empty (K ()) empty); ()); |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
738 |
|
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
739 |
|
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
740 |
(* the Isar source of transitions *) |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
741 |
|
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
742 |
type 'a isar = |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
743 |
(transition, (transition option, |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
744 |
(OuterLex.token, (OuterLex.token option, (OuterLex.token, (OuterLex.token, |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
745 |
Position.T * (Symbol.symbol, (string, 'a) Source.source) Source.source) |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
746 |
Source.source) Source.source) Source.source) Source.source) Source.source) Source.source; |
9dfd1ca4c0a0
refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents:
21861
diff
changeset
|
747 |
|
17513
0393718c2f1c
get_interrupt: special handling of IO.io now in ML-Systems/smlnj-basis-compat.ML;
wenzelm
parents:
17500
diff
changeset
|
748 |
(*Spurious interrupts ahead! Race condition?*) |
0393718c2f1c
get_interrupt: special handling of IO.io now in ML-Systems/smlnj-basis-compat.ML;
wenzelm
parents:
17500
diff
changeset
|
749 |
fun get_interrupt src = SOME (Source.get_single src) handle Interrupt => NONE; |
7602 | 750 |
|
20928 | 751 |
fun warn_secure () = |
752 |
let val secure = Secure.is_secure () |
|
753 |
in if secure then warning "Cannot exit to ML in secure mode" else (); secure end; |
|
754 |
||
5828 | 755 |
fun raw_loop src = |
23646 | 756 |
let val prompt = Source.default_prompt |> (Pretty.mode_markup Markup.prompt |-> enclose) in |
23640
baec2e674461
toplevel prompt/print_state: proper markup, removed hooks;
wenzelm
parents:
23619
diff
changeset
|
757 |
(case get_interrupt (Source.set_prompt prompt src) of |
baec2e674461
toplevel prompt/print_state: proper markup, removed hooks;
wenzelm
parents:
23619
diff
changeset
|
758 |
NONE => (writeln "\nInterrupt."; raw_loop src) |
baec2e674461
toplevel prompt/print_state: proper markup, removed hooks;
wenzelm
parents:
23619
diff
changeset
|
759 |
| SOME NONE => if warn_secure () then quit () else () |
baec2e674461
toplevel prompt/print_state: proper markup, removed hooks;
wenzelm
parents:
23619
diff
changeset
|
760 |
| SOME (SOME (tr, src')) => |
baec2e674461
toplevel prompt/print_state: proper markup, removed hooks;
wenzelm
parents:
23619
diff
changeset
|
761 |
if >> tr orelse warn_secure () then raw_loop src' |
baec2e674461
toplevel prompt/print_state: proper markup, removed hooks;
wenzelm
parents:
23619
diff
changeset
|
762 |
else ()) |
baec2e674461
toplevel prompt/print_state: proper markup, removed hooks;
wenzelm
parents:
23619
diff
changeset
|
763 |
end; |
5828 | 764 |
|
12987 | 765 |
fun loop src = ignore_interrupt raw_loop src; |
5828 | 766 |
|
767 |
end; |