| 1 | | % (c) 2021-2025 Lehrstuhl fuer Softwaretechnik und Programmiersprachen, |
| 2 | | % Heinrich Heine Universitaet Duesseldorf |
| 3 | | % This software is licenced under EPL 1.0 (http://www.eclipse.org/org/documents/epl-v10.html) |
| 4 | | |
| 5 | | :- module(b_intelligent_trace_replay, [get_transition_details/6, |
| 6 | | perform_single_replay_step/5, |
| 7 | | replay_json_trace_file/2, replay_json_trace_file/5, |
| 8 | | read_json_trace_file/3, |
| 9 | | tcltk_replay_json_trace_file/3, |
| 10 | | replay_prolog_trace_file/1, |
| 11 | | |
| 12 | | % API for interactive JSON trace replay: |
| 13 | | load_json_trace_file_for_ireplay/1, |
| 14 | | tk_get_stored_json_trace_description/1, |
| 15 | | get_stored_json_replay_steps/1, |
| 16 | | get_ireplay_status/3, |
| 17 | | replay_of_current_step_is_possible/5, |
| 18 | | replay_of_current_step_is_possible_with_trans/5, |
| 19 | | replay_current_step/1, |
| 20 | | replay_current_step_with_trans/5, |
| 21 | | ireplay_fast_forward/1, |
| 22 | | ireplay_fast_forward_with_trans/6, |
| 23 | | skip_current_ireplay_step/1]). |
| 24 | | |
| 25 | | :- use_module(module_information,[module_info/2]). |
| 26 | | :- module_info(group,testing). |
| 27 | | :- module_info(description,'Replay saved (JSON) traces in a flexible way.'). |
| 28 | | % successor to b_trace_checking |
| 29 | | |
| 30 | | :- meta_predicate exclude_and_collect_errors(2,-,-,-,-). |
| 31 | | |
| 32 | | :- use_module(state_space,[current_state_id/1, transition/4, visited_expression/2]). % transition(CurID,Term,TransId,DestID) |
| 33 | | |
| 34 | | :- use_module(tools_strings,[ajoin/2,ajoin_with_sep/3]). |
| 35 | | :- use_module(specfile,[extract_variables_from_state/2, get_state_for_b_formula/3, b_or_z_mode/0, |
| 36 | | get_local_states_for_operation_transition/4, create_local_store_for_operation/4, |
| 37 | | get_operation_name/2]). |
| 38 | | :- use_module(error_manager). |
| 39 | | :- use_module(debug). |
| 40 | | |
| 41 | | % A single step is a list of informations about the step |
| 42 | | % name/OperationName |
| 43 | | % paras/List of =(Name,Value) |
| 44 | | |
| 45 | | % TO DO: for match_spec use mutable counter for number of matches instead of used parameter |
| 46 | | |
| 47 | | :- use_module(tcltk_interface,[compute_all_transitions_if_necessary/2]). |
| 48 | | |
| 49 | | :- use_module(probsrc(bmachine),[b_get_operation_non_det_modifies/2]). |
| 50 | | :- use_module(probsrc(bsyntaxtree), [def_get_texpr_id/2, get_texpr_ids/2, get_texpr_id/2, get_texpr_type/2]). |
| 51 | | :- use_module(probsrc(tools_matching), [get_possible_fuzzy_matches_and_completions_msg/3]). |
| 52 | | :- use_module(probsrc(b_interpreter),[b_test_boolean_expression_for_ground_state/5]). |
| 53 | | |
| 54 | | perform_single_replay_step(FromID,TransID,DestID,MatchSpec,TransSpec) :- |
| 55 | | %format('* FROM: ~w ',[FromID]),portray_match_spec(MatchSpec),nl, |
| 56 | ? | (match_spec_has_optimize_field(MatchSpec) |
| 57 | | -> findall(sol(MM,TID,DID), |
| 58 | | perform_single_replay_step_statespace(FromID,TID,DID,MatchSpec,TransSpec,MM), |
| 59 | | Sols), |
| 60 | | mark_match_spec_as_used(MatchSpec), |
| 61 | | length(Sols,NrSols), |
| 62 | | min_member(sol(Mismatches,TransID,DestID),Sols), |
| 63 | | format('Min. nr of mismatches found ~w among ~w candidate steps (starting from state ~w). ~n',[Mismatches,NrSols,FromID]) |
| 64 | | ; % just find first solution: |
| 65 | ? | perform_single_replay_step_statespace(FromID,TransID,DestID,MatchSpec,TransSpec,_) |
| 66 | | ). |
| 67 | | perform_single_replay_step(FromID,TransID,DestID,MatchSpec,TransSpec) :- |
| 68 | ? | perform_single_replay_step_by_pred(FromID,TransID,DestID,MatchSpec,TransSpec). |
| 69 | | |
| 70 | | |
| 71 | | |
| 72 | | |
| 73 | | % Assumption: ParaStore and ResultStore are sorted |
| 74 | | % returns the number of mismatches for those Keys marked as optimize |
| 75 | | perform_single_replay_step_statespace(FromID,TransID,DestID, |
| 76 | | MatchSpec, |
| 77 | | transition_spec(OpName, _, ParaStore, ResultStore, DestStore, UnchangedVars, Preds, _Postconditions), |
| 78 | | Mismatches) :- |
| 79 | | mark_match_spec_as_used(MatchSpec), |
| 80 | | get_opt_match_spec_val(opname,MatchSpec,OpMatch), |
| 81 | | compute_all_transitions_if_necessary(FromID,false), % could be made optional |
| 82 | | (OpMatch==match -> TOpName=OpName ; true), |
| 83 | ? | get_sorted_transition_details(FromID,TransID,DestID,TOpName,FullParaStore,FullResultStore), |
| 84 | | (TOpName=OpName -> MM0 = 0 ; MM0=1, assert_mismatch(OpMatch)), |
| 85 | | count_store_mismatches(FullParaStore,ParaStore,paras,MatchSpec,MM0,MM1), % check if parameters match |
| 86 | | count_store_mismatches(FullResultStore,ResultStore,results,MatchSpec,MM1,MM2), % check if operation return values match |
| 87 | | get_unchanged_store(FromID,UnchangedVars,UnchangedStore), |
| 88 | | (DestStore=[], UnchangedStore=[] |
| 89 | | -> MM6=MM2 |
| 90 | | ; % check if variables in destination state match |
| 91 | | visited_expression(DestID,DestState), |
| 92 | | get_dest_store(DestState,FullDestStore), |
| 93 | | count_store_mismatches(FullDestStore,DestStore,dest,MatchSpec,MM2,MM3), |
| 94 | | count_store_mismatches(FullDestStore,UnchangedStore,unchanged,MatchSpec,MM3,MM4), |
| 95 | | (get_match_spec_val(nondet_vars,MatchSpec,_) |
| 96 | | -> b_get_op_non_det_modifies(OpName,NonDetModifies), |
| 97 | | include(b_intelligent_trace_replay:bind_id_is_element_of(NonDetModifies),DestStore,D1), |
| 98 | | count_store_mismatches(FullDestStore,D1,nondet_vars,MatchSpec,MM4,MM5), |
| 99 | | include(b_intelligent_trace_replay:bind_id_is_element_of(NonDetModifies),UnchangedStore,D2), |
| 100 | | count_store_mismatches(FullDestStore,D2,nondet_vars,MatchSpec,MM5,MM6) |
| 101 | | ; MM6=MM4 |
| 102 | | ) |
| 103 | | ), |
| 104 | | Mismatches = MM6, |
| 105 | | (Preds=[] -> true |
| 106 | | ; get_match_spec_val(preds,MatchSpec,match) |
| 107 | | -> bsyntaxtree:conjunct_predicates(Preds,Pred), |
| 108 | | format('Testing preds in destination state ~w after ~w: ',[FromID,DestID]),translate:print_bexpr(Pred),nl, |
| 109 | | % TODO: insert_before_substitution_variables for $0 vars; check that it is consistent with Tcl/Tk and ProB2-UI |
| 110 | | % maybe use annotate_becomes_such_vars or find_used_primed_ids |
| 111 | | append(FullResultStore,FullParaStore,LocalStore), |
| 112 | | b_test_boolean_expression_for_ground_state(Pred,LocalStore,FullDestStore,'trace replay', OpName) |
| 113 | | ; true |
| 114 | | ). |
| 115 | | |
| 116 | | node_not_fully_explored(FromID,OpName) :- |
| 117 | | (max_reached_for_node(FromID) |
| 118 | | ; not_all_transitions_added(FromID) |
| 119 | | ; not_interesting(FromID) |
| 120 | | ; time_out_for_node(FromID,OpName,_)). |
| 121 | | |
| 122 | | :- use_module(probsrc(preferences),[get_time_out_preference_with_factor/2]). |
| 123 | | % lookup in state space failed; try perform by predicate |
| 124 | | % Note: does not use optimize keys (yet), only match keys |
| 125 | | perform_single_replay_step_by_pred(FromID,TransID,DestID, |
| 126 | | MatchSpec, |
| 127 | | transition_spec(OpName, _, ParaStore, ResultStore, DestStore, UnchangedVars, Preds, |
| 128 | | _Postconditions)) :- |
| 129 | | nonvar(OpName), % we currently cannot execute by predicate without knowing OpName |
| 130 | ? | (node_not_fully_explored(FromID,OpName) -> true |
| 131 | | ; debug_format(19,'Node ~w fully explored for ~w; no use in attempting execute by predicate~n',[FromID,OpName]), |
| 132 | | fail |
| 133 | | ), |
| 134 | | mark_match_spec_as_used(MatchSpec), |
| 135 | | !, |
| 136 | | (ParaStore \= [], % check parameters of operation |
| 137 | | get_match_spec_val(paras,MatchSpec,match) |
| 138 | | -> b_get_operation_typed_paras(OpName,Parameters), |
| 139 | ? | generate_predicates_from_store(operation_parameters,Parameters,ParaStore,ParaPreds) |
| 140 | | ; ParaPreds = []), |
| 141 | | (ResultStore \= [], % check return values of operation |
| 142 | | get_match_spec_val(results,MatchSpec,match) |
| 143 | | -> b_get_operation_typed_results(OpName,Results), |
| 144 | | generate_predicates_from_store(operation_results,Results,ResultStore,ResultPreds) |
| 145 | | ; ResultPreds = []), |
| 146 | | get_machine_identifiers(OpName,TVars), |
| 147 | | (DestStore = [] -> DestPreds=[] |
| 148 | | ; get_match_spec_val(dest,MatchSpec,match) |
| 149 | ? | -> generate_predicates_from_store(dest_variables,TVars,DestStore,DestPreds) |
| 150 | | ; get_match_spec_val(nondet_vars,MatchSpec,match) |
| 151 | | -> b_get_op_non_det_modifies(OpName,NonDetModifies), |
| 152 | | include(b_intelligent_trace_replay:id_is_element_of(NonDetModifies),TVars,NDVars), |
| 153 | | generate_predicates_from_store(non_det_vars,NDVars,DestStore,DestPreds) |
| 154 | | ; DestPreds=[] |
| 155 | | ), |
| 156 | | get_unchanged_store(FromID,UnchangedVars,UnchangedStore), |
| 157 | | (UnchangedStore = [] -> UnchangedPreds=[] |
| 158 | | ; get_match_spec_val(unchanged,MatchSpec,match) -> |
| 159 | ? | generate_predicates_from_store(unchanged_vars,TVars,UnchangedStore,UnchangedPreds) |
| 160 | | ; get_match_spec_val(nondet_vars,MatchSpec,match) -> |
| 161 | | include(b_intelligent_trace_replay:id_is_element_of(NonDetModifies),TVars,NDVars), |
| 162 | | generate_predicates_from_store(non_det_vars,NDVars,UnchangedStore,UnchangedPreds) |
| 163 | | ; UnchangedPreds=[] |
| 164 | | ), |
| 165 | | (get_match_spec_val(preds,MatchSpec,match) -> AddPreds=Preds ; AddPreds=[]), |
| 166 | | append([ParaPreds,ResultPreds,DestPreds,UnchangedPreds,AddPreds],AllPreds), |
| 167 | | conjunct_predicates(AllPreds,Pred), |
| 168 | | format('Trying to execute ~w in state ~w by predicate: ',[OpName,FromID]), translate:print_bexpr(Pred),nl,flush_output, |
| 169 | | get_time_out_preference_with_factor(5,TO), % TODO: store this in meta JSON info or options |
| 170 | | safe_time_out(tcltk_interface:tcltk_add_user_executed_operation_typed(OpName,FromID,_,Pred,TransID,DestID), |
| 171 | | TO, TimeOutRes), |
| 172 | | (TimeOutRes = time_out |
| 173 | | -> format_with_colour(user_output,[orange],'==> Timeout when executing ~w by predicate in state ~w~n',[OpName,FromID]),fail |
| 174 | | ; true). |
| 175 | | |
| 176 | | get_unchanged_store(_,[],UnchangedStore) :- !, UnchangedStore=[]. |
| 177 | | get_unchanged_store(FromID,UnchangedVars,UnchangedStore) :- |
| 178 | | % copy old values to UnchangedStore |
| 179 | | visited_expression(FromID,FromState), |
| 180 | | extract_variables_from_state(FromState,FullFromStore), |
| 181 | | sort(FullFromStore,SortedStore), |
| 182 | | % TODO: generate warning when unchanged variable does not exist? |
| 183 | | include(b_intelligent_trace_replay:bind_id_is_element_of(UnchangedVars),SortedStore,UnchangedStore). |
| 184 | | |
| 185 | | generate_predicate_from_bind(Kind,TypedIDs,json_bind(ID,Val,Type,Pos),b(Res,pred,[])) :- |
| 186 | ? | (member(b(identifier(ID),ExpectedType,_),TypedIDs) -> |
| 187 | | (unify_types_strict(ExpectedType,Type) |
| 188 | | -> TID = b(identifier(ID),ExpectedType,[]), TVal = b(value(Val),ExpectedType,[]), |
| 189 | | Res = equal(TID,TVal) |
| 190 | | ; pretty_type(ExpectedType,ETS), pretty_type(Type,TS), write(clash(Kind,ID,ETS,TS)),nl, |
| 191 | | % error should probably be caught earlier: |
| 192 | | add_warning(b_intelligent_trace_replay,'Ignoring value for stored identifier due to type clash: ',ID,Pos), |
| 193 | | Res = truth |
| 194 | | ) |
| 195 | | ; % the identifier is not in the list and should be ignored here; sanity checks are made somewhere else |
| 196 | | Res = truth |
| 197 | | ). |
| 198 | | generate_predicate_from_bind(Kind,TypedIDs,bind(ID,Val),R) :- % bind without type infos, e.g., from unchanged store |
| 199 | ? | generate_predicate_from_bind(Kind,TypedIDs,json_bind(ID,Val,any,unkown),R). |
| 200 | | |
| 201 | | generate_predicates_from_store(Kind,TVars,DestStore,DestPreds) :- |
| 202 | ? | maplist(b_intelligent_trace_replay:generate_predicate_from_bind(Kind,TVars),DestStore,DestPreds). |
| 203 | | |
| 204 | | get_machine_identifiers(Op,TConsts) :- is_setup_constants_op(Op), !, b_get_machine_constants(TConsts). |
| 205 | | get_machine_identifiers(_,TVars) :- b_get_machine_variables(TVars). |
| 206 | | |
| 207 | | is_setup_constants_op('$setup_constants'). |
| 208 | | is_setup_constants_op('$partial_setup_constants'). |
| 209 | | |
| 210 | | b_get_op_non_det_modifies(Op,NonDetModifies) :- is_setup_constants_op(Op), |
| 211 | | !,% return all constants as non-det modifies |
| 212 | | b_get_machine_constants(TConsts),get_texpr_ids(TConsts,ND), |
| 213 | | sort(ND,NonDetModifies). |
| 214 | | b_get_op_non_det_modifies(OpName,NonDetModifies) :- b_get_operation_non_det_modifies(OpName,NonDetModifies). |
| 215 | | |
| 216 | | % wrappers to deal with a few special transitions; TO DO: extend for CSP||B |
| 217 | | b_get_operation_typed_results('$setup_constants',Results) :- !, |
| 218 | | Results=[]. % for trace replay we assume setup_constants to have no result variables |
| 219 | | b_get_operation_typed_results('$initialise_machine',Results) :- !, Results=[]. % ditto |
| 220 | | b_get_operation_typed_results('$partial_setup_constants',Results) :- !, Results=[]. % ditto |
| 221 | | b_get_operation_typed_results(OpName,Results) :- b_or_z_mode, !, b_get_machine_operation_typed_results(OpName,Results). |
| 222 | | b_get_operation_typed_results(_,[]). |
| 223 | | |
| 224 | | b_get_operation_typed_paras('$setup_constants',Paras) :- !, |
| 225 | | Paras=[]. % for trace replay we assume setup_constants to have no parameters |
| 226 | | b_get_operation_typed_paras('$initialise_machine',Paras) :- !, Paras=[]. % ditto |
| 227 | | b_get_operation_typed_paras('$partial_setup_constants',Paras) :- !, Paras=[]. % ditto |
| 228 | | b_get_operation_typed_paras(OpName,Paras) :- b_or_z_mode,!, |
| 229 | | b_get_machine_operation_typed_parameters_for_animation(OpName,Paras). |
| 230 | | b_get_operation_typed_paras(OpName,[]) :- |
| 231 | | add_message(replay_json_trace_file,'Not in B mode, cannot obtain parameter info for: ',OpName). |
| 232 | | |
| 233 | | % ------------------- |
| 234 | | |
| 235 | | % now a version with multiple MatchSpecs to be tried in order |
| 236 | | % Flag can be used to see how many alternatives were tried |
| 237 | | flexible_perform_single_replay_step(FromID,TransID,DestID,[MatchSpec1|TMS],TransitionSpec,MName) :- |
| 238 | | skip_match_spec(FromID,TransitionSpec,MatchSpec1),!, |
| 239 | | debug_println(9,skipping_redundant_failing_check(MatchSpec1)), |
| 240 | | flexible_perform_single_replay_step(FromID,TransID,DestID,TMS,TransitionSpec,MName). |
| 241 | | flexible_perform_single_replay_step(FromID,TransID,DestID,[MatchSpec1|TMS],TransitionSpec,MName) :- |
| 242 | ? | if(perform_single_replay_step(FromID,TransID,DestID,MatchSpec1,TransitionSpec), |
| 243 | | get_match_spec_txt(MatchSpec1,MName), |
| 244 | ? | flexible_perform_single_replay_step(FromID,TransID,DestID,TMS,TransitionSpec,MName) |
| 245 | | ). |
| 246 | | |
| 247 | | % ------------------- |
| 248 | | |
| 249 | | |
| 250 | | % we only assert mismatches; if a variable remains untouched we matched perfectly |
| 251 | | assert_mismatch(Var) :- var(Var),!, Var=optimize. |
| 252 | | assert_mismatch(require_mismatch). % probably not useful; difficult to support by predicate |
| 253 | | assert_mismatch(optimize). |
| 254 | | |
| 255 | | precise_match_spec(match_spec(_,precise,KeyVals)) :- |
| 256 | | KeyVals = [dest/match,opname/match,paras/match,preds/match,results/match,unchanged/match]. |
| 257 | | ignore_dest_match_spec(match_spec(_,params_and_results,KeyVals)) :- |
| 258 | | KeyVals = [opname/match,paras/match,preds/match,results/match,nondet_vars/match,dest/optimize,unchanged/optimize]. |
| 259 | | %ignore_return_match_spec(match_spec(_,parameters_only,KeyVals)) :- |
| 260 | | % KeyVals = [opname/match,paras/match,results/optimize,nondet_vars/optimize]. |
| 261 | | opname_optimize_match_spec(match_spec(_,keep_name,KeyVals)) :- |
| 262 | | KeyVals = [opname/match,paras/optimize,results/optimize,nondet_vars/optimize,dest/optimize,unchanged/optimize]. |
| 263 | | |
| 264 | | % conditions on when to skip certain match_specs |
| 265 | | % (we assume that the precise_match_spec was tried before) |
| 266 | | skip_match_spec(root,TS,match_spec(_,params_and_results,_)) :- get_transition_spec_op(TS,'$setup_constants'). |
| 267 | | % for setup_constants: nondet_vars are all constants; so this is equivalent to precise |
| 268 | | % for initialise_machine: paras are all variables |
| 269 | | skip_match_spec(_,TS,match_spec(_,MS,_)) :- MS \= precise, |
| 270 | | get_transition_spec_meta(TS,Meta), |
| 271 | | % for an unknown operation we only try a precise replay (e.g., if operation just renamed), otherwise we skip it |
| 272 | | member(unknown_operation/_,Meta). |
| 273 | | % TODO: skip parameters_only if an operation has not results and no nondet_vars |
| 274 | | |
| 275 | | match_spec_was_used(match_spec(UsedFlag,_,_)) :- UsedFlag==used. |
| 276 | | mark_match_spec_as_used(match_spec(used,_,_)). |
| 277 | | |
| 278 | | get_match_spec_txt(match_spec(_,Name,_),Name). |
| 279 | ? | get_match_spec_val(Key,match_spec(_,_,List),Res) :- member(Key/Val,List),!,Res=Val. |
| 280 | | |
| 281 | | get_opt_match_spec_val(Key,MS,Res) :- get_match_spec_val(Key,MS,Val),!, Res=Val. |
| 282 | | get_opt_match_spec_val(_,_,optimize). |
| 283 | | |
| 284 | | % check if it is useful to optimize the mismatches |
| 285 | ? | match_spec_has_optimize_field(match_spec(_,_,KeyVals)) :- member(_/optimize,KeyVals). |
| 286 | | |
| 287 | | :- public valid_match_spec_key/1. |
| 288 | | valid_match_spec_key(dest). |
| 289 | | valid_match_spec_key(nondet_vars). |
| 290 | | valid_match_spec_key(opname). |
| 291 | | valid_match_spec_key(paras). |
| 292 | | valid_match_spec_key(results). |
| 293 | | valid_match_spec_key(unchanged). |
| 294 | | |
| 295 | | :- public portray_match_spec/1. |
| 296 | | portray_match_spec(match_spec(UsedFlag,Name,List)) :- |
| 297 | | (UsedFlag==used -> U=used ; U=not_yet_used), |
| 298 | | format('~w (~w): ~w~n',[Name,U,List]). |
| 299 | | |
| 300 | | % ------------------- |
| 301 | | |
| 302 | | get_dest_store(concrete_constants(C),SC) :- !, sort(C,SC). |
| 303 | | get_dest_store(Store,Vars) :- b_or_z_mode,!, extract_variables_from_state(Store,Vars). |
| 304 | | get_dest_store(_,[]). % CSP,... has no concept of variables |
| 305 | | |
| 306 | | |
| 307 | | % count the number of mismatches for a given key and MatchSpec |
| 308 | | % if MatchSpec requires match (perfect match) it will fail if Mismatches are 0 |
| 309 | | % it accumulates the global number of mismatches in a DCG style accumulator |
| 310 | | count_store_mismatches(FullStore,PartialStore,Key,MatchSpec,MismatchesIn,MismatchesOut) :- |
| 311 | | get_match_spec_val(Key,MatchSpec,MatchVal), !, |
| 312 | | (MatchVal=match |
| 313 | | -> MismatchesIn=MismatchesOut, |
| 314 | | count_mismatches(FullStore,Key,PartialStore,0) |
| 315 | | ; count_mismatches(FullStore,Key,PartialStore,Mismatches), |
| 316 | | MismatchesOut is MismatchesIn+Mismatches, |
| 317 | | %print(new_mm(MismatchesOut,Key,MatchVal,Mismatches)),nl, |
| 318 | | (Mismatches=0 -> true |
| 319 | | ; assert_mismatch(MatchVal)) |
| 320 | | ). |
| 321 | | count_store_mismatches(_,_,_Key,_,M,M). % key does not exist; no matching required |
| 322 | | |
| 323 | | % for maplist, include, exclude: |
| 324 | ? | bind_id_is_element_of(Vars,Bind) :- is_bind(Bind,ID,_), member(ID,Vars). % we could use ord_member |
| 325 | | id_is_element_of(Vars,TID) :- def_get_texpr_id(TID,ID), member(ID,Vars). |
| 326 | | |
| 327 | | is_bind(bind(ID,Val),ID,Val). |
| 328 | | is_bind(json_bind(ID,Val,_,_),ID,Val). |
| 329 | | |
| 330 | | %check_no_mismatches(FullStore,Key,PartialStore) :- count_mismatches(FullStore,Key,PartialStore,0). |
| 331 | | |
| 332 | | count_mismatches(FullStore,Key,PartialStore,Mismatches) :- |
| 333 | | count_mismatches_aux(FullStore,Key,PartialStore,0,Mismatches). |
| 334 | | :- use_module(probsrc(translate), [translate_bvalue_with_limit/3]). |
| 335 | | % count mismatches in FullStore compared to partial reference store |
| 336 | | % if result is set to 0, it will fail after first mismatch |
| 337 | | count_mismatches_aux(_,_,[],Acc,Res) :- !,Res=Acc. |
| 338 | | count_mismatches_aux([],Key,PartialStore,_,_) :- |
| 339 | | ajoin(['Saved trace step contains unknown bindings for ',Key,': '],Msg), |
| 340 | | add_error(b_intelligent_trace_replay,Msg,PartialStore), |
| 341 | | fail. |
| 342 | | count_mismatches_aux([Bind1|T],Key,[Bind2|T2],Acc,Res) :- |
| 343 | | is_bind(Bind1,ID,Val), is_bind(Bind2,ID,Val2),!, |
| 344 | | (check_value_equal(ID,Val,Val2) |
| 345 | | -> count_mismatches_aux(T,Key,T2,Acc,Res) |
| 346 | | ; (debug_mode(off) -> true |
| 347 | | ; translate_bvalue_with_limit(Val,200,V1), translate_bvalue_with_limit(Val2,200,V2), |
| 348 | | formatsilent_with_colour(user_output,[red],'==> Mismatch for ~w ~w:~n ~w~n (trace) ~w~n',[Key,ID,V1,V2]) |
| 349 | | %nl,print(Val),nl,nl,print(Val2),nl,nl, |
| 350 | | ), |
| 351 | | inc_mismatches(Acc,Acc1,Res), |
| 352 | | count_mismatches_aux(T,Key,T2,Acc1,Res) |
| 353 | | ). |
| 354 | | count_mismatches_aux([_ID|T],Key,PartialStore,Acc,Res) :- count_mismatches_aux(T,Key,PartialStore,Acc,Res). |
| 355 | | |
| 356 | | inc_mismatches(X,_,Res) :- number(Res),X>Res,!,fail. % we will never reach Res; could be 0 for perfect match |
| 357 | | inc_mismatches(Acc,Acc1,_) :- Acc1 is Acc+1. |
| 358 | | |
| 359 | | % check if saved value and actual value is identical |
| 360 | | :- use_module(kernel_objects,[equal_object/3]). |
| 361 | | check_value_equal(ID,Val1,Val2) :- |
| 362 | | temporary_set_preference(allow_enumeration_of_infinite_types,true,OldValueOfPref), |
| 363 | | call_cleanup(check_value_equal_aux(ID,Val1,Val2), |
| 364 | | reset_temporary_preference(allow_enumeration_of_infinite_types,OldValueOfPref)). |
| 365 | | |
| 366 | | % what if trace was saved with different SYMBOLIC pref value? |
| 367 | | :- use_module(b_ast_cleanup, [clean_up/3]). |
| 368 | | :- use_module(custom_explicit_sets, [same_closure/2]). |
| 369 | | :- use_module(debug, [debug_mode/1]). |
| 370 | | check_value_equal_aux(ID,closure(P1,T1,B1),C2) :- C2 = closure(P2,T2,B2), |
| 371 | | C1 = closure(P1,T1,B1), |
| 372 | | !, % we have two symbolic values |
| 373 | | (same_closure(C1,C2) |
| 374 | | -> true |
| 375 | | ; % simple comparison failed, now try and normalize the symbolic values and compare again |
| 376 | | temporary_set_preference(normalize_ast,true,CHANGE), |
| 377 | | % normalize_ast_sort_commutative should probably be false, unless we improve the sorting |
| 378 | | %print(compiling_cur_value(ID)),nl, |
| 379 | | clean_up(B1,[],B1C), |
| 380 | | %we could call: b_compiler:b_compile_closure(closure(P1,T1,B1C),closure(P12,T12,B12)), |
| 381 | | %print(compiling_trace_value(ID)),nl, |
| 382 | | clean_up(B2,[],B2C), |
| 383 | | reset_temporary_preference(normalize_ast,CHANGE), |
| 384 | | (same_closure(closure(P1,T1,B1C),closure(P2,T2,B2C)) |
| 385 | | -> true |
| 386 | | ; Val=closure(P1,T1,B1C), Val2 = closure(P2,T2,B2C), |
| 387 | | debug_mode(on), |
| 388 | | translate_bvalue_with_limit(Val,500,V1), translate_bvalue_with_limit(Val2,500,V2), |
| 389 | | formatsilent_with_colour(user_output,[red],'==> Symbolic Mismatch for ~w:~n ~w~n (trace) ~w~n',[ID,V1,V2]), |
| 390 | | % trace, same_closure(closure(P1,T1,B1C),closure(P2,T2,B2C)), |
| 391 | | fail |
| 392 | | ) |
| 393 | | ). |
| 394 | | %check_value_equal_aux(ID,Val1,Val2) :- !, equal_object(Val1,Val2,ID). |
| 395 | | check_value_equal_aux(ID,Val1,Val2) :- |
| 396 | | catch( |
| 397 | | equal_object_time_out(Val1,Val2,ID,2500), |
| 398 | | enumeration_warning(_A,_B,_C,_D,_E), |
| 399 | | (format_with_colour(user_output,[red],'==> Enumeration warning when comparing values for ~w~n',[ID]),fail) |
| 400 | | ). |
| 401 | | |
| 402 | | :- use_module(tools_meta,[safe_time_out/3]). |
| 403 | | equal_object_time_out(Val1,Val2,ID,TO) :- |
| 404 | | safe_time_out(equal_object(Val1,Val2,ID),TO,TimeOutRes), |
| 405 | | (TimeOutRes = time_out |
| 406 | | -> format_with_colour(user_output,[red],'==> Timeout when comparing values for ~w~n',[ID]),fail |
| 407 | | ; true). |
| 408 | | |
| 409 | | |
| 410 | | :- use_module(specfile,[get_operation_internal_name/2, |
| 411 | | state_corresponds_to_set_up_constants_only/2]). |
| 412 | | :- use_module(bmachine,[b_get_machine_operation_parameter_names_for_animation/2, |
| 413 | | b_get_machine_operation_typed_parameters_for_animation/2, |
| 414 | | b_get_machine_operation_result_names/2, |
| 415 | | b_get_machine_operation_typed_results/2, |
| 416 | | b_get_machine_variables/1, b_get_machine_constants/1, |
| 417 | | bmachine_is_precompiled/0, b_top_level_operation/1, |
| 418 | | b_machine_name/1, b_is_variable/1, b_is_variable/2, b_is_constant/1, b_is_constant/2]). |
| 419 | | :- use_module(probsrc(bsyntaxtree), [conjunct_predicates/2]). |
| 420 | | |
| 421 | | :- use_module(probsrc(state_space),[max_reached_for_node/1, not_all_transitions_added/1, |
| 422 | | time_out_for_node/3, not_interesting/1, |
| 423 | | try_set_trace_by_transition_ids/1]). |
| 424 | | |
| 425 | | :- use_module(library(lists)). |
| 426 | | |
| 427 | | % get the information of a B state_space transition in more detailed form |
| 428 | | % we get a store of parameter values and a store of result values and the operation name |
| 429 | | get_transition_details(FromID,TransID,DestID,OpName,ParaStore,ResultStore) :- |
| 430 | ? | transition(FromID,OperationTerm,TransID,DestID), |
| 431 | | get_operation_internal_name(OperationTerm,OpName), |
| 432 | | get_transition_details_aux(OpName,OperationTerm,DestID,ParaStore,ResultStore). |
| 433 | | |
| 434 | | get_transition_details_aux('$setup_constants',_,DestID,ParaStore,ResultStore) :- !, |
| 435 | | ResultStore=[], |
| 436 | | visited_expression(DestID,DestState), |
| 437 | | state_corresponds_to_set_up_constants_only(DestState,ParaStore). |
| 438 | | get_transition_details_aux('$initialise_machine',_,DestID,ParaStore,ResultStore) :- !, |
| 439 | | ResultStore=[], |
| 440 | | visited_expression(DestID,DestState), |
| 441 | | extract_variables_from_state(DestState,ParaStore). |
| 442 | | get_transition_details_aux(OpName,OperationTerm,_,ParaStore,ResultStore) :- |
| 443 | | get_local_states_for_operation_transition(OpName,OperationTerm,ParaStore,ResultStore). |
| 444 | | |
| 445 | | get_transition_name(FromID,TransID,OpName) :- |
| 446 | | transition(FromID,OperationTerm,TransID,_), |
| 447 | | get_operation_name(OperationTerm,OpName). |
| 448 | | |
| 449 | | |
| 450 | | |
| 451 | | % a variation where the two stores are sorted according to Prolog order: |
| 452 | | get_sorted_transition_details(FromID,TransID,DestID,TOpName,SortedPS,SortedRS) :- |
| 453 | ? | get_transition_details(FromID,TransID,DestID,TOpName,FullParaStore,FullResultStore), |
| 454 | | sort(FullParaStore,SortedPS), |
| 455 | | sort(FullResultStore,SortedRS). |
| 456 | | |
| 457 | | % ------------------------ |
| 458 | | |
| 459 | | get_transition_spec_op(transition_spec(OpName, _, _, _, _, _, _, _),OpName). |
| 460 | | get_transition_spec_meta(transition_spec(_, Meta, _, _, _, _, _, _),Meta). |
| 461 | | |
| 462 | | % get textual representation of transition spec (portray/translate) |
| 463 | | get_transition_spec_txt(transition_spec(OpName, Meta, ParaStore, ResultStore, |
| 464 | | _DestStore, _Unchanged, _Preds, _Postconditions),Txt) :- |
| 465 | ? | (member(description/Desc,Meta) -> ajoin([Desc,' :: '],DescTxt) ; DescTxt = ''), |
| 466 | | (nonvar(OpName) -> OpTxt=OpName |
| 467 | | ; member(unknown_operation/op(OldOpName,OldParas,OldResults),Meta) |
| 468 | | -> translate_unknown_operation(OldOpName,OldParas,OldResults,OpTxt) |
| 469 | | ; OpTxt='?'), |
| 470 | | (ParaStore = [] -> ParaText1='', ParaText2='' |
| 471 | | ; ParaText1=' paras: ', |
| 472 | | maplist(get_bind_txt,ParaStore,Paras), |
| 473 | | ajoin_with_sep(Paras,',',ParaText2) |
| 474 | | ), |
| 475 | | (ResultStore = [] -> ResultText1='', ResultText2='' |
| 476 | | ; ResultText1=' results: ', |
| 477 | | maplist(get_bind_txt,ResultStore,Results), |
| 478 | | ajoin_with_sep(Results,',',ResultText2) |
| 479 | | ),!, |
| 480 | | ajoin([DescTxt,OpTxt,ParaText1,ParaText2,ResultText1,ResultText2],Txt). |
| 481 | | get_transition_spec_txt(TS,'???') :- add_internal_error('Unknown transition spec:',TS). |
| 482 | | |
| 483 | | |
| 484 | | translate_unknown_operation(OldOpName,OldParas,[],OpTxt) :- !, |
| 485 | | translate_bindings(OldParas,OPS), |
| 486 | | append(OPS,[')'],OpParaAtoms), |
| 487 | | ajoin(['?',OldOpName,'('|OpParaAtoms],OpTxt). |
| 488 | | translate_unknown_operation(OldOpName,OldParas,OldResults,OpTxt) :- |
| 489 | | translate_bindings(OldResults,OPR), |
| 490 | | translate_unknown_operation(OldOpName,OldParas,[],Op1), |
| 491 | | ajoin([Op1,'-->'|OPR],OpTxt). |
| 492 | | |
| 493 | | % translate a list of json_bind terms into a list for use with ajoin for pretty-priting |
| 494 | | translate_bindings([],[]). |
| 495 | | translate_bindings([json_bind(ID,Val,_Type,_Pos)|TJ],[ID,'=',TVal|TT]) :- |
| 496 | | translate_bvalue_with_limit(Val,50,TVal), |
| 497 | | (TJ = [] -> TT=[] |
| 498 | | ; TT = [','|TT2], translate_bindings(TJ,TT2)). |
| 499 | | |
| 500 | | |
| 501 | | get_bind_txt(Bind,Txt) :- is_bind(Bind,Id,Val), |
| 502 | | simple_val(Val), !, % TODO: add parameter for short/long text |
| 503 | | translate_bvalue_with_limit(Val,100,V1), |
| 504 | | ajoin([Id,'=',V1],Txt). |
| 505 | | get_bind_txt(Bind,Id) :- is_bind(Bind,Id,_). |
| 506 | | |
| 507 | | simple_val(V) :- var(V),!,fail. |
| 508 | | simple_val(int(_)). |
| 509 | | simple_val(pred_false). |
| 510 | | simple_val(pred_true). |
| 511 | | simple_val(string(_)). |
| 512 | | simple_val(fd(_,_)). |
| 513 | | |
| 514 | | |
| 515 | | % perform some static checks on a transition spec: check if operations, parameters, variables exist |
| 516 | | check_and_adapt_trace_step(transition_spec(OpName, Meta, _, _, DestStore, UnchangedVars,Preds, Postconditions), Step, |
| 517 | | transition_spec(OpName, Meta, [], [], DestStore2,UnchangedVars2,Preds, Postconditions)) --> |
| 518 | | {\+ b_or_z_mode},!, |
| 519 | | exclude_and_collect_errors(unknown_variable_binding(Step,OpName),DestStore,DestStore2), |
| 520 | | exclude_and_collect_errors(unknown_variable(Step,OpName),UnchangedVars,UnchangedVars2). |
| 521 | | check_and_adapt_trace_step(transition_spec(OpName, Meta, ParaStore,ResultStore, DestStore, UnchangedVars,Preds, Postconditions), |
| 522 | | Step, |
| 523 | | transition_spec(OpName2,Meta2,ParaStore2,ResultStore2,DestStore2,UnchangedVars2,Preds2, Postconditions2)) --> |
| 524 | | {b_get_operation_typed_results(OpName,TOpResults)}, |
| 525 | | {b_get_operation_typed_paras(OpName,TOpParas)}, |
| 526 | | !, |
| 527 | | {OpName2=OpName}, |
| 528 | | {Meta2=Meta}, % TO DO: include excluded infos |
| 529 | | {Preds2=Preds}, %TO DO: check if all identifiers bound |
| 530 | | {Postconditions2=Postconditions}, % TODO Check operation names and predicate identifiers |
| 531 | ? | exclude_and_collect_errors(unknown_para_binding(OpName,TOpParas,'parameter',Step),ParaStore,ParaStore2), |
| 532 | ? | exclude_and_collect_errors(unknown_para_binding(OpName,TOpResults,'result variable',Step),ResultStore,ResultStore2), |
| 533 | | ({is_setup_constants_op(OpName)} |
| 534 | ? | -> exclude_and_collect_errors(unknown_constant_binding(Step),DestStore,DestStore2), |
| 535 | | {UnchangedVars2 = []}, |
| 536 | | ({UnchangedVars = []} -> [] |
| 537 | | ; {add_error(b_intelligent_trace_replay,'Illegal unchanged info for SETUP_CONSTANTS',UnchangedVars)} |
| 538 | | ) |
| 539 | ? | ; exclude_and_collect_errors(unknown_variable_binding(Step,OpName),DestStore,DestStore2), |
| 540 | ? | exclude_and_collect_errors(unknown_variable(Step,OpName),UnchangedVars,UnchangedVars2) |
| 541 | | ). |
| 542 | | check_and_adapt_trace_step(transition_spec(OpName, Meta, PS, RS, DestStore, UnchangedVars,Preds, Postconditions), Step, |
| 543 | | transition_spec(_, Meta2, [], [], DestStore2, UnchangedVars2,Preds, Postconditions)) --> |
| 544 | | add_replay_error('Unknown operation: ',OpName), % TODO treat $JUMP |
| 545 | | {Meta2 = [unknown_operation/op(OpName,PS,RS) | Meta], |
| 546 | | findall(KOpid,b_top_level_operation(KOpid),Ops), |
| 547 | | (get_possible_fuzzy_matches_and_completions_msg(OpName,Ops,FMsg) |
| 548 | | -> ajoin(['Unknown operation in replay step ',Step,' (did you mean the operation ',FMsg,' ?) : '], Msg) |
| 549 | | ; ajoin(['Unknown operation in replay step ',Step,': '], Msg)), |
| 550 | | (member(pos/Pos,Meta) -> true ; Pos=unknown), |
| 551 | | add_error(b_intelligent_trace_replay,Msg,OpName,Pos) |
| 552 | | }, |
| 553 | | % TODO: maybe do a fuzzy match and check if a new operation not used in the trace file exists |
| 554 | | exclude_and_collect_errors(unknown_variable_binding(Step,OpName),DestStore,DestStore2), |
| 555 | | exclude_and_collect_errors(unknown_variable(Step,OpName),UnchangedVars,UnchangedVars2). |
| 556 | | |
| 557 | | check_step_postconditions(transition_spec(_, _, _, _, _, _, _, Postconditions),StateID) --> |
| 558 | | check_postconditions(Postconditions,1,StateID). |
| 559 | | |
| 560 | | check_postconditions([],_,_) --> []. |
| 561 | | check_postconditions([Postcondition|Postconditions],Nr,StateID) --> |
| 562 | | check_postcondition(Postcondition,Nr,StateID), |
| 563 | | {Nr1 is Nr+1}, |
| 564 | | check_postconditions(Postconditions,Nr1,StateID). |
| 565 | | |
| 566 | | check_postcondition(state_predicate(Pred),Nr,StateID) --> |
| 567 | | {get_state_for_b_formula(StateID,Pred,State)}, |
| 568 | | ({b_test_boolean_expression_for_ground_state(Pred,[],State,'trace replay postconditions',Nr)} -> |
| 569 | | [] |
| 570 | | ; |
| 571 | | add_replay_error('Failed postcondition (predicate):',Nr) |
| 572 | | ). |
| 573 | | check_postcondition(operation_enabled(OpName,Pred,Enabled),Nr,StateID) --> |
| 574 | | { |
| 575 | | precise_match_spec(MatchSpec), |
| 576 | | TransitionSpec = transition_spec(OpName,[],[],[],[],[],[Pred],[]), |
| 577 | | (perform_single_replay_step(StateID,_,_,MatchSpec,TransitionSpec) -> Actual = enabled ; Actual = disabled) |
| 578 | | }, |
| 579 | | ({Enabled == Actual} -> |
| 580 | | [] |
| 581 | | ; |
| 582 | | {ajoin(['Failed postcondition (operation ',OpName,' should be ',Enabled,'):'],Msg)}, |
| 583 | | add_replay_error(Msg,Nr) |
| 584 | | ). |
| 585 | | |
| 586 | | % a version of exclude which also collects errors |
| 587 | | exclude_and_collect_errors(_Pred,[],[]) --> []. |
| 588 | | exclude_and_collect_errors(Pred,[H|T],Res) --> {call(Pred,H,Error)},!, |
| 589 | | [Error], |
| 590 | | exclude_and_collect_errors(Pred,T,Res). |
| 591 | | exclude_and_collect_errors(Pred,[H|T],[H|Res]) --> % include item |
| 592 | ? | exclude_and_collect_errors(Pred,T,Res). |
| 593 | | |
| 594 | | |
| 595 | | add_replay_error(Msg,Term) --> {gen_replay_error(Msg,Term,Err)}, [Err]. |
| 596 | | gen_replay_error(Msg,Term,rerror(FullMSg)) :- ajoin([Msg,Term],FullMSg). |
| 597 | | replay_error_occured(Errors) :- member(rerror(_),Errors). |
| 598 | | get_replay_error(rerror(Msg),Msg). |
| 599 | | |
| 600 | | :- use_module(probsrc(btypechecker), [unify_types_strict/2]). |
| 601 | | :- use_module(probsrc(kernel_objects), [infer_value_type/2]). |
| 602 | | :- use_module(probsrc(translate), [pretty_type/2]). |
| 603 | | |
| 604 | | unknown_para_binding(OpName,TParas,Kind,Step,json_bind(ID,Value,ValType,ValPos),ErrorTerm) :- |
| 605 | | ( get_texpr_id(TID,ID), |
| 606 | ? | member(TID,TParas), get_texpr_type(TID,Type) |
| 607 | | -> illegal_type(ID,Type,Value,ValType,ValPos,Kind,Step,ErrorTerm) |
| 608 | | ; ajoin(['Ignoring unknown ',Kind,' for operation ',OpName,' at step ', Step, ': '],Msg), |
| 609 | | gen_replay_error(Msg,ID,ErrorTerm) |
| 610 | | ). |
| 611 | | unknown_variable_binding(Step,_OpName,json_bind(Var,Value,ValType,ValPos),ErrorTerm) :- b_is_variable(Var,Type),!, |
| 612 | | illegal_type(Var,Type,Value,ValType,ValPos,'variable',Step,ErrorTerm). |
| 613 | | unknown_variable_binding(Step,OpName,json_bind(Var,_,_,_),ErrorTerm) :- unknown_variable(Step,OpName,Var,ErrorTerm). |
| 614 | | unknown_variable(Step,OpName,Var,ErrorTerm) :- \+ b_is_variable(Var), |
| 615 | | (b_is_constant(Var) |
| 616 | | -> ajoin(['Ignoring constant at step ', Step, ' for ', OpName, ' (a variable is expected here): '],Msg) |
| 617 | | ; b_get_machine_variables(TVars),get_texpr_ids(TVars,Vars), |
| 618 | | get_possible_fuzzy_matches_and_completions_msg(Var,Vars,FMsg) |
| 619 | | -> ajoin(['Ignoring unknown variable (did you mean ',FMsg,' ?) at step ', Step, ' for ', OpName, ': '],Msg) |
| 620 | | ; ajoin(['Ignoring unknown variable at step ', Step, ' for ', OpName, ': '],Msg) |
| 621 | | ), |
| 622 | | gen_replay_error(Msg,Var,ErrorTerm). |
| 623 | | unknown_constant_binding(Step,json_bind(Var,Value,ValType,ValPos),ErrorTerm) :- b_is_constant(Var,Type),!, |
| 624 | | illegal_type(Var,Type,Value,ValType,ValPos,'constant',Step,ErrorTerm). |
| 625 | | unknown_constant_binding(Step,json_bind(Var,_,_,_),ErrorTerm) :- |
| 626 | | (b_is_variable(Var) |
| 627 | | -> ajoin(['Ignoring variable at step ', Step, ' (a constant is expected here): '],Msg) |
| 628 | | ; b_get_machine_constants(TVars),get_texpr_ids(TVars,Vars), |
| 629 | | get_possible_fuzzy_matches_and_completions_msg(Var,Vars,FMsg) |
| 630 | | -> ajoin(['Ignoring unknown constant (did you mean ',FMsg,' ?) at step ', Step, ': '],Msg) |
| 631 | | ; ajoin(['Ignoring unknown constant at step ', Step, ': '],Msg) |
| 632 | | ), |
| 633 | | gen_replay_error(Msg,Var,ErrorTerm). |
| 634 | | |
| 635 | | |
| 636 | | illegal_type(Var,Type,_Value,ValType,_ValPos,Kind,Step,ErrorTerm) :- |
| 637 | | \+ unify_types_strict(Type,ValType), |
| 638 | | pretty_type(ValType,VTS), pretty_type(Type,TS), |
| 639 | | ajoin(['Ignoring ',Kind, ' at step ', Step, |
| 640 | | ' due to unexpected type of value (', VTS, ' instead of ',TS,') for: '],ErrMsg), |
| 641 | | gen_replay_error(ErrMsg,Var,ErrorTerm). |
| 642 | | /* |
| 643 | | | ?- perform_single_replay_step(X,TID,Dest,Match,transition_spec(Op,[],[],[],[active])). |
| 644 | | X = 3, |
| 645 | | TID = 86, |
| 646 | | Dest = 5, |
| 647 | | Match = match_spec(match,match,match,match,match), |
| 648 | | Op = new ? |
| 649 | | yes |
| 650 | | |
| 651 | | */ |
| 652 | | |
| 653 | | % ------------------ |
| 654 | | %precise_replay_trace(Trace,FromID,TransIds,DestID) :- |
| 655 | | % precise_match_spec(MatchSpec), % require precise replay |
| 656 | | % replay_trace(Trace,[MatchSpec],[],1,FromID,TransIds,DestID,[],_). % Todo : check errors |
| 657 | | |
| 658 | | :- use_module(tools_printing,[format_with_colour/4]). |
| 659 | | :- use_module(probsrc(debug),[formatsilent_with_colour/4]). |
| 660 | | % Note if we leave RestSpecs as a variable this will always do deterministic replay |
| 661 | | % to achieve backtracking RestSpecs must be set to [] |
| 662 | | replay_trace([],_MatchSpecs,_Opts,_,ID,[],ID,[],[]). |
| 663 | | replay_trace([TransSpec|T],MatchSpecs,Options,Step,FromID,TransIds,DestID,RestSpecs, |
| 664 | | [replay_step(MatchInfo,Errors)|OtherMatches]) :- |
| 665 | | get_transition_spec_txt(TransSpec,TTxt), |
| 666 | | formatsilent_with_colour(user_output,[blue],'==> Replay step ~w: from state ~w for ~w~n',[Step,FromID,TTxt]), |
| 667 | | statistics(walltime,[W1|_]), |
| 668 | | % first perform static check of step: |
| 669 | ? | phrase(check_and_adapt_trace_step(TransSpec,Step,CorrectedTransSpec),Errors,Errors1), |
| 670 | | if((TransIds=[TransID|TTrans], |
| 671 | ? | flexible_perform_single_replay_step(FromID,TransID,ID2,MatchSpecs,CorrectedTransSpec,MatchInfo)), |
| 672 | | (phrase(check_step_postconditions(CorrectedTransSpec,ID2),Errors1), |
| 673 | | statistics(walltime,[W2|_]), WTime is W2-W1, |
| 674 | | get_transition_name(FromID,TransID,OpName), % show operation name used as feedback in case errors occur |
| 675 | | (Errors == [] -> |
| 676 | | formatsilent_with_colour(user_output,[green],'==> Replay step ~w successful (~w, ~w ms) leading to state ~w~n',[Step,MatchInfo,WTime,ID2]) |
| 677 | | ; Errors = [rerror(OneErr)] -> |
| 678 | | formatsilent_with_colour(user_output,[red,bold],'==> Replay step ~w successful WITH ERROR (~w, ~w, ~w ms) leading to state ~w via ~w~n',[Step,MatchInfo,OneErr,WTime,ID2,OpName]) |
| 679 | | ; |
| 680 | | length(Errors,NrErrors), Errors = [rerror(OneErr)|_], |
| 681 | | formatsilent_with_colour(user_output,[red,bold],'==> Replay step ~w successful WITH ERRORS (~w, ~w errors [~w,...], ~w ms) leading to state ~w via ~w~n',[Step,MatchInfo,NrErrors,OneErr,WTime,ID2,OpName]) |
| 682 | | ; |
| 683 | | length(Errors,NrErrors), |
| 684 | | formatsilent_with_colour(user_output,[red,bold],'==> Replay step ~w successful WITH ERRORS (~w, ~w errors, ~w ms) leading to state ~w via ~w~n',[Step,MatchInfo,NrErrors,WTime,ID2,OpName]) |
| 685 | | ), |
| 686 | | (get_preference(deterministic_trace_replay,true) -> ! |
| 687 | | % TO DO: use info from MatchSpec? (e.g., det for perfect match) |
| 688 | | ; true |
| 689 | | ; formatsilent_with_colour(user_output,[orange],'==> Backtracking replay step ~w (~w) leading to state ~w~n',[Step,MatchInfo,ID2])), |
| 690 | | S1 is Step+1, |
| 691 | | replay_trace(T,MatchSpecs,Options,S1,ID2,TTrans,DestID,RestSpecs,OtherMatches) |
| 692 | | ), |
| 693 | | (format_with_colour(user_output,[red,bold],'==> Replay step ~w FAILED~n',[Step]), |
| 694 | | get_transition_spec_txt(TransSpec,Txt), formatsilent_with_colour(user_output,[red,bold],' ~w~n',[Txt]), |
| 695 | | Errors1=[], |
| 696 | | MatchInfo=failed, |
| 697 | | |
| 698 | | (T = [_|_], nonmember(stop_at_failure,Options) |
| 699 | | -> % try and skip this step and continue replay |
| 700 | | RestSpecs=[TransSpec|RT], |
| 701 | | TransIds=[skip|TTrans], % -1 signifies skipped transition |
| 702 | | S1 is Step+1, |
| 703 | | replay_trace(T,MatchSpecs,Options,S1,FromID,TTrans,DestID,RT,OtherMatches) |
| 704 | | ; RestSpecs=[TransSpec|T], % the steps that were not replayed |
| 705 | | TransIds=[], DestID=FromID, |
| 706 | | OtherMatches=[] |
| 707 | | ) |
| 708 | | ) |
| 709 | | ). |
| 710 | | |
| 711 | | % ------------------ |
| 712 | | |
| 713 | | |
| 714 | | tcltk_replay_json_trace_file(FileName,ReplayStatus,list([Header|Entries])) :- |
| 715 | | replay_json_trace_file_with_check(FileName,TransSpecs,ReplayStatus,TransIds,MatchInfoList), |
| 716 | | try_set_trace_by_transition_ids(TransIds), |
| 717 | | Header = list(['Step', 'TraceFile','Replayed', 'Match','Mismatches','Errors','State ID']), |
| 718 | | (tk_get_trace_info(TransSpecs,root,1,TransIds,MatchInfoList,Entries) |
| 719 | | -> true |
| 720 | | ; add_internal_error('Could not compute replay table:',TransSpecs), Entries=[]). |
| 721 | | |
| 722 | | |
| 723 | | :- use_module(probsrc(translate),[translate_event_with_limit/3]). |
| 724 | | |
| 725 | | tk_get_trace_info([],_,_,_,_,[]). |
| 726 | | tk_get_trace_info([TransSpec|TS2],CurID,Step,TransIds,MatchInfoList, |
| 727 | | [list([Step,Txt,OpTxt,MI,list(DeltaList),list(Errors),CurID])|RestInfo]) :- |
| 728 | | get_from_match_list(MatchInfoList,MI,Errors,MIL2), |
| 729 | | get_transition_spec_txt(TransSpec,Txt), |
| 730 | | (TransIds=[TID1|TI2], transition(CurID,OperationTerm,TID1,ToID) |
| 731 | | -> %get_operation_internal_name(OperationTerm,OpName) |
| 732 | | translate_event_with_limit(OperationTerm,30,OpTxt), |
| 733 | | analyse_step_match(TransSpec,CurID,TID1,DeltaList) |
| 734 | | ; TransIds=[TID1|TI2], |
| 735 | | (number(TID1) -> TID1<0 ; true) % not a valid transition number; -1 or skip |
| 736 | | -> ToID=CurID, OpTxt='skipped', DeltaList=[] |
| 737 | | ; TI2=[], ToID=CurID, OpTxt='-', DeltaList=[] |
| 738 | | ), |
| 739 | | Step1 is Step+1, |
| 740 | | tk_get_trace_info(TS2,ToID,Step1,TI2,MIL2,RestInfo). |
| 741 | | |
| 742 | | get_from_match_list([replay_step(MI,Errors)|T],MatchInfo,TkErrors,T) :- |
| 743 | | maplist(get_replay_error,Errors,TkErrors), |
| 744 | | (MI=precise,TkErrors=[_|_] -> MatchInfo=precise_with_errs ; MatchInfo=MI). |
| 745 | | get_from_match_list([],'-',['-'],[]). |
| 746 | | |
| 747 | | % analyse how good a step matches the transition spec |
| 748 | | % useful after replay to provide explanations to the user |
| 749 | | analyse_step_match(TransSpec,FromID,TransID,DeltaList) :- |
| 750 | | TransSpec = transition_spec(OpName, _, ParaStore, ResultStore, DestStore, _UnchangedVars, _Preds, _Postconditions), |
| 751 | | get_sorted_transition_details(FromID,TransID,DestID,TOpName,FullParaStore,FullResultStore), |
| 752 | | (TOpName=OpName -> DeltaList=DL1 ; DeltaList=['Name'|DL1]), |
| 753 | | delta_store_match(FullParaStore,paras,ParaStore,DL1,DL2), |
| 754 | | delta_store_match(FullResultStore,results,ResultStore,DL2,DL3), |
| 755 | | visited_expression(DestID,DestState), |
| 756 | | get_dest_store(DestState,FullDestStore), |
| 757 | | delta_store_match(FullDestStore,dest,DestStore,DL3,DL4), |
| 758 | | % TO DO: UnchangedVars and _Preds |
| 759 | | DL4=[],!. |
| 760 | | analyse_step_match(TransSpec,FromID,TransID,DeltaList) :- |
| 761 | | add_internal_error('Call failed:',analyse_step_match(TransSpec,FromID,TransID,DeltaList)), |
| 762 | | DeltaList=['??ERROR??']. |
| 763 | | |
| 764 | | delta_store_match(_,_,[]) --> !. |
| 765 | | delta_store_match([],_Key,Rest) |
| 766 | | --> add_rest(Rest). % these bindings were probably filtered out during replay and error messages were generated |
| 767 | | delta_store_match([Bind1|T],Key,[Bind2|T2]) --> |
| 768 | | {is_bind(Bind1,ID,Val), is_bind(Bind2,ID,Val2)}, |
| 769 | | !, |
| 770 | | ({check_value_equal(ID,Val,Val2)} |
| 771 | | -> [] |
| 772 | | ; %translate_bvalue_with_limit(Val,100,V1), translate_bvalue_with_limit(Val2,100,V2), |
| 773 | | [ID] % TO DO: provided detailed explanation using values |
| 774 | | ),delta_store_match(T,Key,T2). |
| 775 | | delta_store_match([_ID|T],Key,PartialStore) --> delta_store_match(T,Key,PartialStore). |
| 776 | | |
| 777 | | add_rest([]) --> []. |
| 778 | | add_rest([Bind|T]) --> {is_bind(Bind,ID,_)}, [ID], add_rest(T). |
| 779 | | |
| 780 | | % ----------------------- |
| 781 | | |
| 782 | | replay_json_trace_file(FileName,ReplayStatus) :- |
| 783 | | replay_json_trace_file_with_check(FileName,_,ReplayStatus,TransIds,_), |
| 784 | | try_set_trace_by_transition_ids(TransIds). |
| 785 | | |
| 786 | | |
| 787 | | % generate error/warning for imperfect or partial replay |
| 788 | | replay_json_trace_file_with_check(FileName,Trace,ReplayStatus,TransIds,MatchInfoList) :- |
| 789 | | replay_json_trace_file(FileName,Trace,ReplayStatus,TransIds,MatchInfoList), |
| 790 | | length(TransIds,Steps), |
| 791 | | length(Trace,AllSteps), |
| 792 | | check_replay_status(ReplayStatus,Steps,AllSteps). |
| 793 | | |
| 794 | | check_replay_status(imperfect,Steps,_) :- !, |
| 795 | | ajoin(['Imperfect replay, steps replayed: '],Msg), |
| 796 | | add_warning(replay_json_trace_file,Msg, Steps). |
| 797 | | check_replay_status(partial,Steps,AllSteps) :- !, |
| 798 | | ajoin(['Replay of all ',AllSteps,' steps not possible, steps replayed: '],Msg), |
| 799 | | add_error(replay_json_trace_file,Msg, Steps). |
| 800 | | check_replay_status(perfect,Steps,_) :- |
| 801 | | add_message(replay_json_trace_file,'Perfect replay possible, steps replayed: ', Steps). |
| 802 | | |
| 803 | | % ------------ |
| 804 | | |
| 805 | | :- use_module(tools,[start_ms_timer/1, stop_ms_timer_with_msg/2]). |
| 806 | | :- use_module(bmachine_construction,[dummy_machine_name/2]). |
| 807 | | |
| 808 | | replay_json_trace_file(FileName,Trace,ReplayStatus,TransIds,MatchInfoList) :- \+ bmachine_is_precompiled,!, |
| 809 | | add_error(replay_json_trace_file,'No specification loaded, cannot replay trace file:',FileName), |
| 810 | | Trace=[], TransIds=[], ReplayStatus=partial, MatchInfoList=[]. |
| 811 | | replay_json_trace_file(FileName,Trace,ReplayStatus,TransIds,MatchInfoList) :- |
| 812 | | start_ms_timer(T1), |
| 813 | | read_json_trace_file(FileName,ModelName,Trace), |
| 814 | | stop_ms_timer_with_msg(T1,'Loading JSON trace file'), |
| 815 | | precise_match_spec(MatchSpec), % require precise replay |
| 816 | | ignore_dest_match_spec(MS2), |
| 817 | | opname_optimize_match_spec(MS3), |
| 818 | | % was ignore_return_match_spec(MS3), % TODO: when no return and no non-det vars: do not try MS3 |
| 819 | | start_ms_timer(T2), |
| 820 | | temporary_set_preference(deterministic_trace_replay,true,CHNG), |
| 821 | | replay_trace(Trace,[MatchSpec,MS2,MS3],[],1,root,TransIds,_DestID,RestTrace,MatchInfoList), |
| 822 | | reset_temporary_preference(deterministic_trace_replay,CHNG), |
| 823 | | stop_ms_timer_with_msg(T2,'Replaying JSON trace file'), |
| 824 | | !, |
| 825 | | (RestTrace = [] |
| 826 | | -> ((match_spec_was_used(MS3) % Grade=3 |
| 827 | | ; match_spec_was_used(MS2) %Grade=2 |
| 828 | ? | ; member(replay_step(_,Errs),MatchInfoList), replay_error_occured(Errs) |
| 829 | | ) |
| 830 | | -> ReplayStatus=imperfect, |
| 831 | | check_model_name(ModelName) |
| 832 | | ; ReplayStatus=perfect |
| 833 | | ) |
| 834 | | ; ReplayStatus=partial, |
| 835 | | check_model_name(ModelName) |
| 836 | | ). |
| 837 | | |
| 838 | | :- use_module(specfile,[currently_opened_specification_name/1]). |
| 839 | | check_model_name(ModelName) :- |
| 840 | | currently_opened_specification_name(CurModelName),!, |
| 841 | | (CurModelName=ModelName -> true |
| 842 | | ; dummy_machine_name(ModelName,CurModelName) % CurModelName = MAIN_MACHINE_FOR_... |
| 843 | | -> true |
| 844 | | ; ModelName = 'dummy(uses)' |
| 845 | | -> true % if modelName is "null" this is the value used |
| 846 | | ; prob2_ui_suffix(ModelName,CurModelName) -> |
| 847 | | % happens when ProB2-UI saves trace files; sometimes it adds (2), ... suffix, see issue #243 |
| 848 | | add_message(replay_json_trace_file, 'JSON trace file model name has a ProB2-UI suffix: ', ModelName) |
| 849 | | ; ajoin(['JSON trace file model name ',ModelName,' does not match current model name: '],MMsg), |
| 850 | | add_warning(replay_json_trace_file, MMsg, CurModelName) |
| 851 | | ). |
| 852 | | check_model_name(ModelName) :- |
| 853 | | add_warning(replay_json_trace_file, 'Cannot determine current model name to check stored name:', ModelName). |
| 854 | | |
| 855 | | :- set_prolog_flag(double_quotes, codes). |
| 856 | | :- use_module(self_check). |
| 857 | | :- assert_must_succeed(b_intelligent_trace_replay:prob2_ui_suffix('b_mch', 'b')). |
| 858 | | :- assert_must_succeed(b_intelligent_trace_replay:prob2_ui_suffix('b_mch (2)', 'b')). |
| 859 | | :- assert_must_succeed(b_intelligent_trace_replay:prob2_ui_suffix('b (2)', 'b')). |
| 860 | | :- assert_must_fail(b_intelligent_trace_replay:prob2_ui_suffix('b', 'bc')). |
| 861 | | :- assert_must_fail(b_intelligent_trace_replay:prob2_ui_suffix('b (2)', 'bc')). |
| 862 | | % check if name matches current model name catering for ProB2-UI quirks |
| 863 | | prob2_ui_suffix(JSONModelName,CurModelName) :- |
| 864 | | atom_codes(JSONModelName,JCodes), |
| 865 | | atom_codes(CurModelName,TargetCodes), |
| 866 | | append(TargetCodes,After,JCodes), |
| 867 | | (append("_mch",After2,After) |
| 868 | | -> true % .eventb package file name |
| 869 | | ; append(".mch",After2,After) -> true |
| 870 | | ; After2=After), |
| 871 | | valid_prob2_ui_suffix(After2). |
| 872 | | |
| 873 | | valid_prob2_ui_suffix([]) :- !. |
| 874 | | valid_prob2_ui_suffix([32|_]). % we could check that we have (2), ... after; but is it necessary? |
| 875 | | |
| 876 | | |
| 877 | | error_occured_during_replay(MatchInfoList) :- |
| 878 | | member(replay_step(_,Errs),MatchInfoList), replay_error_occured(Errs),!. |
| 879 | | |
| 880 | | % --------------------------------- |
| 881 | | |
| 882 | | replay_prolog_trace_file(FileName) :- |
| 883 | | start_ms_timer(T1), |
| 884 | | read_prolog_trace_file(FileName,_ModelName,Trace), |
| 885 | | stop_ms_timer_with_msg(T1,'Loading Prolog trace file'), |
| 886 | | replay_prolog2(FileName,Trace). |
| 887 | | |
| 888 | | replay_prolog2(FileName,Trace) :- |
| 889 | | precise_match_spec(MatchSpec), |
| 890 | | start_ms_timer(T2), |
| 891 | | replay_trace(Trace,[MatchSpec],[stop_at_failure],1,root,TransIds,_DestID,RestTrace,MatchInfoList), |
| 892 | | stop_ms_timer_with_msg(T2,'Replaying JSON trace file'), |
| 893 | | RestTrace=[], % will initiate backtracking |
| 894 | | try_set_trace_by_transition_ids(TransIds), |
| 895 | | (error_occured_during_replay(MatchInfoList) |
| 896 | | -> add_error(replay_prolog_trace_file,'Errors occurred during replay of file:',FileName) |
| 897 | | ; true). |
| 898 | | replay_prolog2(FileName,_Trace) :- |
| 899 | | add_error(replay_prolog_trace_file,'Could not fully replay file:',FileName). |
| 900 | | |
| 901 | | read_prolog_trace_file(FileName,ModelName,Trace) :- |
| 902 | | open(FileName,read,Stream,[encoding(utf8)]), |
| 903 | | call_cleanup(parse_prolog_trace_file(FileName,Stream,ModelName,Trace), |
| 904 | | close(Stream)). |
| 905 | | |
| 906 | | parse_prolog_trace_file(File,Stream,ModelName,Trace) :- |
| 907 | | safe_read_stream(Stream,0,Term),!, |
| 908 | | (Term = end_of_file |
| 909 | | -> Trace = [], ModelName = 'dummy(uses)', |
| 910 | | add_warning(read_prolog_trace_file,'Empty trace file: ',File) |
| 911 | | ; (Term = machine(ModelName) |
| 912 | | -> Trace = T |
| 913 | | ; Trace = [Term|T], |
| 914 | | add_warning(read_prolog_trace_file,'File does not start with a machine/1 fact: ',Term) |
| 915 | | ), |
| 916 | | parse_prolog_trace_file_body(Stream,1,T) |
| 917 | | ). |
| 918 | | |
| 919 | | parse_prolog_trace_file_body(Stream,Step,Trace) :- |
| 920 | | safe_read_stream(Stream,Step,Term),!, |
| 921 | | (Term = end_of_file |
| 922 | | -> Trace = [] |
| 923 | | ; skip_prolog_term(Term) |
| 924 | | -> add_message(read_prolog_trace_file,'Skipping: ',Term), |
| 925 | | parse_prolog_trace_file_body(Stream,Step,Trace) |
| 926 | | ; Trace = [TransSpec|T], |
| 927 | | convert_prolog_trace_step(Term,TransSpec), |
| 928 | | S1 is Step + 1, |
| 929 | | parse_prolog_trace_file_body(Stream,S1,T) |
| 930 | | ). |
| 931 | | |
| 932 | | safe_read_stream(Stream,Step,T) :- |
| 933 | | catch(read(Stream,T), E, ( |
| 934 | | ajoin(['Exception while reading step ', Step, 'of trace file: '], Msg), |
| 935 | | add_error(read_prolog_trace_file,Msg,[E]), |
| 936 | | T=end_of_file |
| 937 | | )). |
| 938 | | |
| 939 | | skip_prolog_term('$check_value'(_ID,_Val)). |
| 940 | | convert_prolog_trace_step(Fact, |
| 941 | | transition_spec(OpName,Meta,ParaStore,ResultStore,DestStore,Unchanged,PredList,[])) :- |
| 942 | | PredList=[], Unchanged=[], Meta=[], DestStore = [], |
| 943 | | decompose_operation(Fact,OpName,ParaStore,ResultStore). |
| 944 | | % TODO: deal with '$check_value'(ID,Val) |
| 945 | | % decompose an operation term into name, parameter store and result store |
| 946 | | decompose_operation('-->'(OpTerm,Results),OpName,ParaStore,ResultStore) :- !, |
| 947 | | decompose_operation2(OpTerm,OpName,ParaStore), |
| 948 | | (b_get_machine_operation_result_names(OpName,ResultNames) |
| 949 | | -> create_sorted_store(ResultNames,Results,OpName,ResultStore) |
| 950 | | ; ResultStore = []). |
| 951 | | decompose_operation(OpTerm,OpName,ParaStore,[]) :- decompose_operation2(OpTerm,OpName,ParaStore). |
| 952 | | |
| 953 | | is_setup_or_init('$initialise_machine','$initialise_machine'). |
| 954 | | is_setup_or_init(initialise_machine,'$initialise_machine'). % old style |
| 955 | | is_setup_or_init(setup_constants,'$setup_constants'). % old style |
| 956 | | is_setup_or_init(Op,Op) :- is_setup_constants_op(Op). |
| 957 | | |
| 958 | | decompose_operation2(OpTerm,OpName,ParaStore) :- |
| 959 | | functor(OpTerm,Functor,Arity), |
| 960 | | is_setup_or_init(Functor,OpName), |
| 961 | | !, |
| 962 | | % the order of constants, variables etc has changed in ProB; |
| 963 | | % in general we cannot reconstruct the association of the arguments to variables or constants |
| 964 | | (Arity=0 -> true |
| 965 | | ; add_message(b_intelligent_trace_replay,'Ignoring parameters of:',OpName)), |
| 966 | | ParaStore=[]. |
| 967 | | decompose_operation2(OpTerm,OpName,ParaStore) :- |
| 968 | | OpTerm =.. [OpName|Paras], |
| 969 | | (b_get_machine_operation_parameter_names_for_animation(OpName,ParaNames) |
| 970 | | -> create_sorted_store(ParaNames,Paras,OpName,ParaStore) |
| 971 | | ; ParaStore = [], |
| 972 | | add_error(read_prolog_trace_file,'Unknown operation in trace file:',OpName) |
| 973 | | ). |
| 974 | | |
| 975 | | |
| 976 | | create_sorted_store([],Paras,OpName,SortedParaStore) :- Paras = [_|_], |
| 977 | | get_preference(show_eventb_any_arguments,false),!, |
| 978 | | add_message(b_intelligent_trace_replay,'Prolog trace file contains values for virtual parameters (set SHOW_EVENTB_ANY_VALUES to TRUE to better replay this trace file): ',OpName), |
| 979 | | SortedParaStore = []. |
| 980 | | create_sorted_store(ParaNames,[],_OpName,SortedParaStore) :- ParaNames = [_|_], |
| 981 | | get_preference(show_eventb_any_arguments,true),!, |
| 982 | | add_message(b_intelligent_trace_replay,'Prolog trace file contains no values for parameters (maybe SHOW_EVENTB_ANY_VALUES was FALSE when trace file was created): ',ParaNames), |
| 983 | | SortedParaStore = []. |
| 984 | | create_sorted_store(ParaNames,Paras,OpName,SortedParaStore) :- |
| 985 | | create_local_store_for_operation(ParaNames,Paras,OpName,ParaStore), |
| 986 | | sort(ParaStore,SortedParaStore). |
| 987 | | |
| 988 | | |
| 989 | | |
| 990 | | % ------------------------ |
| 991 | | |
| 992 | | :- use_module(extrasrc(json_parser),[json_parse_file/3]). |
| 993 | | |
| 994 | | % read a JSON ProB2-UI trace file and extract model name and transition_spec list |
| 995 | | read_json_trace_file(FileName,ModelName,Trace) :- |
| 996 | | json_parse_file(FileName,Term,[rest(_),position_infos(true),strings_as_atoms(false)]), |
| 997 | | %nl,print(Term),nl,nl, |
| 998 | | !, |
| 999 | ? | (extract_json_model_name(Term,M) -> ModelName=M ; ModelName = 'dummy(uses)'), |
| 1000 | ? | (translate_json_trace_term(Term,FileName,Trace) -> true |
| 1001 | | ; add_error(read_json_trace_file,'Could not translate JSON transitionList: ',Term), |
| 1002 | | Trace = []). |
| 1003 | | |
| 1004 | | % small JSON utilities; to do: merge with VisB utilities and factor out |
| 1005 | ? | get_json_attribute(Attr,ObjList,Value) :- member(Equality,ObjList), |
| 1006 | | is_json_equality_attr(Equality,Attr,Value). |
| 1007 | | get_json_attribute_with_pos(Attr,ObjList,File,Value,Pos) :- |
| 1008 | ? | member(Equality,ObjList), |
| 1009 | | is_json_equality_attr_with_pos(Equality,File,Attr,Value,Pos). |
| 1010 | | |
| 1011 | | is_json_equality_attr('='(Attr,Val),Attr,Val). |
| 1012 | | is_json_equality_attr('='(Attr,Val,_Pos),Attr,Val). % we have position infos |
| 1013 | | |
| 1014 | | is_json_equality_attr_with_pos('='(Attr,Val),_File,Attr,Val,unknown). |
| 1015 | | is_json_equality_attr_with_pos('='(Attr,Val,JPos),File,Attr,Val,ProBPos) :- create_position(JPos,File,ProBPos). |
| 1016 | | |
| 1017 | | create_position(From-To,File,ProBPos) :- |
| 1018 | | ProBPos=src_position_with_filename_and_ec(From,1,To,1,File). |
| 1019 | | % -------- |
| 1020 | | |
| 1021 | | :- use_module(probsrc(preferences), [reset_temporary_preference/2,temporary_set_preference/3, get_preference/2]). |
| 1022 | | translate_json_trace_term(json(ObjList),FileName,Trace) :- |
| 1023 | ? | get_json_key_list(transitionList,ObjList,List), |
| 1024 | | List \= [], % optimization, dont set preferences |
| 1025 | | !, |
| 1026 | | % TODO: why is this not a call_cleanup? |
| 1027 | | temporary_set_preference(repl_cache_parsing,true,CHNG), |
| 1028 | | eval_strings:turn_normalising_off, |
| 1029 | ? | maplist(translate_json_operation(FileName),List,Trace), |
| 1030 | | eval_strings:turn_normalising_on, |
| 1031 | | reset_temporary_preference(repl_cache_parsing,CHNG). |
| 1032 | | |
| 1033 | | % no transitionList => just use empty list |
| 1034 | | translate_json_trace_term(json(_),_,[]) :- !. |
| 1035 | | |
| 1036 | | % extract model name from metadata which looks like this |
| 1037 | | /* |
| 1038 | | "metadata": { |
| 1039 | | "fileType": "Trace", |
| 1040 | | "formatVersion": 1, |
| 1041 | | "savedAt": "2021-10-13T13:38:02Z", |
| 1042 | | "creator": "tcltk (leuschel)", |
| 1043 | | "proBCliVersion": "1.11.1-nightly", |
| 1044 | | "proBCliRevision": "3cb800bbadfeaf4f581327245507a55ae5a5e66d", |
| 1045 | | "modelName": "scheduler", |
| 1046 | | "modelFile": "/Users/bourkaki/B/Benchmarks/scheduler.mch" |
| 1047 | | } |
| 1048 | | */ |
| 1049 | | |
| 1050 | | extract_json_model_name(json(ObjList),MachineName) :- |
| 1051 | | get_json_key_object(metadata,ObjList,List), |
| 1052 | ? | get_json_attribute(modelName,List,string(MC)), |
| 1053 | | atom_codes(MachineName,MC). |
| 1054 | | |
| 1055 | | |
| 1056 | | % translate a single JSON transition entry into a transition_spec term for replay_trace |
| 1057 | | /* here is a typical entry for the scheduler model: |
| 1058 | | { |
| 1059 | | "name": "ready", |
| 1060 | | "params": { |
| 1061 | | "rr": "process3" |
| 1062 | | }, |
| 1063 | | "results": { |
| 1064 | | }, |
| 1065 | | "destState": { |
| 1066 | | "active": "{process3}", |
| 1067 | | "waiting": "{}" |
| 1068 | | }, |
| 1069 | | "destStateNotChanged": [ |
| 1070 | | "ready" |
| 1071 | | ], |
| 1072 | | "preds": null |
| 1073 | | }, |
| 1074 | | */ |
| 1075 | | translate_json_operation(FileName,json(Json), |
| 1076 | | transition_spec(OpName,Meta, |
| 1077 | | ParaStore,ResultStore,DestStore,Unchanged,PredList,Postconditions) ) :- |
| 1078 | ? | get_json_attribute_with_pos(name,Json,FileName,string(OpNameC),Position), % name is required! |
| 1079 | | atom_codes(OpName,OpNameC), |
| 1080 | | (debug_mode(off) -> true ; add_message(translate_json_operation,'Processing operation: ',OpName,Position)), |
| 1081 | ? | (get_json_key_object(params,Json,Paras) |
| 1082 | | -> translate_json_paras(Paras,params(OpName),FileName,OpName,Bindings), |
| 1083 | | sort(Bindings,ParaStore) % put the parameters into the standard Prolog order |
| 1084 | | ; ParaStore = [] |
| 1085 | | ), |
| 1086 | ? | (get_json_key_object(results,Json,ResParas) |
| 1087 | | -> translate_json_paras(ResParas,results(OpName),FileName,OpName,Bindings2), |
| 1088 | | sort(Bindings2,ResultStore) |
| 1089 | | ; ResultStore = [] |
| 1090 | | ), |
| 1091 | ? | (get_json_key_object(destState,Json,DestState) |
| 1092 | | -> translate_json_paras(DestState,destState,FileName,OpName,Bindings3), |
| 1093 | | sort(Bindings3,DestStore) |
| 1094 | | ; DestStore = [] |
| 1095 | | ), |
| 1096 | ? | (get_json_key_list(destStateNotChanged,Json,UnchList) |
| 1097 | | -> maplist(translate_json_string,UnchList,UnchAtoms), |
| 1098 | | sort(UnchAtoms,Unchanged) |
| 1099 | | ; Unchanged = [] |
| 1100 | | ), |
| 1101 | ? | (get_json_key_list(preds,Json,JPredList) |
| 1102 | | -> (maplist(translate_json_pred,JPredList,PredList) -> true |
| 1103 | | ; add_error(translate_json_operation,'Unable to parse predicates for operation:',OpName,Position), |
| 1104 | | PredList = [] |
| 1105 | | ) |
| 1106 | | ; PredList = [] |
| 1107 | | ), |
| 1108 | ? | (get_json_key_list(postconditions,Json,PostconditionList) |
| 1109 | | -> maplist(translate_postcondition,PostconditionList,Postconditions) |
| 1110 | | ; Postconditions = [] |
| 1111 | | ), |
| 1112 | ? | (get_json_attribute(description,Json,string(DescCodes)) |
| 1113 | | -> atom_codes(Desc,DescCodes), Meta = [description/Desc,pos/Position] |
| 1114 | | ; Meta = [pos/Position] |
| 1115 | | ). |
| 1116 | | |
| 1117 | | translate_postcondition(Json,Postcondition) :- |
| 1118 | | get_json_attribute(kind,Json,string(KindCodes)), |
| 1119 | | atom_codes(Kind,KindCodes), |
| 1120 | | (translate_postcondition_kind(Kind,Json,Postcondition) -> true ; add_error(translate_postcondition,'translate_postcondition_kind failed',Json), fail). |
| 1121 | | |
| 1122 | | translate_postcondition_kind('PREDICATE',Json,state_predicate(TPred)) :- |
| 1123 | | !, |
| 1124 | | get_json_attribute(predicate,Json,PredString), |
| 1125 | | translate_json_pred(PredString,TPred). |
| 1126 | | translate_postcondition_kind(Kind,Json,operation_enabled(OpName,TPred,Enabled)) :- |
| 1127 | | enabled_kind(Kind,Enabled), |
| 1128 | | !, |
| 1129 | | get_json_attribute(operation,Json,string(OpNameCodes)), |
| 1130 | | atom_codes(OpName,OpNameCodes), |
| 1131 | | get_json_attribute(predicate,Json,PredString), |
| 1132 | | (PredString = string([]) -> TPred = b(truth,pred,[]) |
| 1133 | | ; translate_json_pred(PredString,TPred) |
| 1134 | | ). |
| 1135 | | |
| 1136 | | enabled_kind('ENABLEDNESS',enabled). |
| 1137 | | enabled_kind('DISABLEDNESS',disabled). |
| 1138 | | |
| 1139 | | |
| 1140 | | get_json_key_object(Key,JSON,Object) :- |
| 1141 | ? | get_json_attribute(Key,JSON,JObject), |
| 1142 | | JObject \= @(null), |
| 1143 | | (JObject = json(Object) -> true |
| 1144 | | ; add_internal_error('Illegal JSON object for key:',Key:JObject), |
| 1145 | | fail |
| 1146 | | ). |
| 1147 | | get_json_key_list(Key,JSON,List) :- |
| 1148 | ? | get_json_attribute(Key,JSON,JList), |
| 1149 | | JList \= @(null), |
| 1150 | | (JList = array(List) -> true |
| 1151 | | ; add_internal_error('Illegal JSON list for key:',Key:JList), |
| 1152 | | fail |
| 1153 | | ). |
| 1154 | | |
| 1155 | | translate_json_string(string(AtomCodes),Atom) :- atom_codes(Atom,AtomCodes). |
| 1156 | | |
| 1157 | | translate_json_paras([],_,_,_,R) :- !, R=[]. |
| 1158 | | translate_json_paras([Eq|T],Kind,FileName,OpName,[Bind|BT]) :- |
| 1159 | | translate_json_para(Eq,Kind,FileName,OpName,Bind),!, |
| 1160 | | translate_json_paras(T,Kind,FileName,OpName,BT). |
| 1161 | | translate_json_paras([_|T],Kind,FileName,OpName,BT) :- translate_json_paras(T,Kind,FileName,OpName,BT). |
| 1162 | | |
| 1163 | | |
| 1164 | | :- use_module(probsrc(b_global_sets),[add_prob_deferred_set_elements_to_store/3]). |
| 1165 | | % TO DO: using eval_strings is very ugly, use a better API predicate |
| 1166 | | translate_json_para(Equality,Kind,FileName,OpName,json_bind(Name,Value,Type,Pos)) :- |
| 1167 | | is_json_equality_attr_with_pos(Equality,FileName,Name,string(ExpressionCodes),Pos), |
| 1168 | | !, |
| 1169 | | %format('Translating JSON Para ~w : ~s~n',[Name,C]), |
| 1170 | | (eval_strings:repl_parse_expression(ExpressionCodes,Typed,Type,Error) |
| 1171 | | -> (Error \= none -> add_parameter_error(Error,Name,ExpressionCodes,OpName,Pos) |
| 1172 | | ; Type = pred -> add_parameter_error('use of predicate instead of expression',Name,ExpressionCodes,OpName,Pos) |
| 1173 | | ; Type = subst -> add_parameter_error('unexpected substitution',Name,ExpressionCodes,OpName,Pos) |
| 1174 | | ; (add_prob_deferred_set_elements_to_store([],EState,visible), % value should not depend on any state |
| 1175 | | eval_strings:eval_expression_direct(Typed,EState,Value) |
| 1176 | | -> \+ illegal_json_binding_type(Kind,Name,Type,Pos) |
| 1177 | | ; add_parameter_error('evaluation error',Name,ExpressionCodes,OpName,Pos) |
| 1178 | | ) |
| 1179 | | ) |
| 1180 | | ; add_parameter_error('parsing failed error',Name,ExpressionCodes,OpName,Pos) |
| 1181 | | ). |
| 1182 | | translate_json_para(Para,_,_,_,_) :- |
| 1183 | | add_error(translate_json_para,'Unknown JSON para:',Para),fail. |
| 1184 | | |
| 1185 | | :- use_module(specfile,[translate_operation_name/2]). |
| 1186 | | add_parameter_error(Error,Name,ExpressionCodes,OpName,Pos) :- |
| 1187 | | translate_operation_name(OpName,TOp), |
| 1188 | | ajoin(['Ignoring JSON value for parameter ',Name,' of ',TOp,' due to ',Error,':'], Msg), |
| 1189 | | atom_codes(A,ExpressionCodes), |
| 1190 | | add_error(translate_json_para,Msg,A,Pos),fail. |
| 1191 | | |
| 1192 | | %evaluate_codes_value(ExpressionCodes,Type,Value) :- |
| 1193 | | % eval_strings:repl_parse_expression(ExpressionCodes,Typed,Type,Error), Error=none, |
| 1194 | | % eval_strings:eval_expression_direct(Typed,Value). |
| 1195 | | |
| 1196 | ? | illegal_json_binding_type(destState,ID,Type,Pos) :- get_expected_type(ID,Kind,ExpectedType),!, |
| 1197 | | \+ unify_types_strict(Type,ExpectedType), pretty_type(Type,TS), pretty_type(ExpectedType,ETS), |
| 1198 | | ajoin(['Ignoring JSON destState value for ',Kind,' ',ID,' due to illegal type ',TS, ', expected:'], Msg), |
| 1199 | | add_error(translate_json_para,Msg,ETS,Pos). |
| 1200 | | illegal_json_binding_type(destState,ID,_Type,Pos) :- |
| 1201 | | add_error(translate_json_para,'Ignoring JSON destState value for unknown identifier:',ID,Pos). |
| 1202 | | % unknown operations are now dealt with later in check_and_adapt_trace_step |
| 1203 | | %illegal_json_binding_type(params(Op),ID,_Type,Pos) :- |
| 1204 | | % b_or_z_mode, % otherwise no types available |
| 1205 | | % \+ b_top_level_operation(Op), !, |
| 1206 | | % findall(KOpid,b_top_level_operation(KOpid),Ops), |
| 1207 | | % (get_possible_fuzzy_matches_and_completions_msg(Op,Ops,FMsg) |
| 1208 | | % -> ajoin(['Ignoring JSON value for parameter ',ID,' of unknown operation (did you mean the operation ',FMsg,' ?) : '], Msg) |
| 1209 | | % ; ajoin(['Ignoring JSON value for parameter ',ID,' of unknown operation: '], Msg)), |
| 1210 | | % add_error(translate_json_para,Msg,Op,Pos). |
| 1211 | | illegal_json_binding_type(params(Op),ID,Type,Pos) :- |
| 1212 | | b_or_z_mode, % otherwise no types available |
| 1213 | | b_top_level_operation(Op), |
| 1214 | | b_get_machine_operation_typed_parameters_for_animation(Op,Params), |
| 1215 | ? | member(b(identifier(ID),ExpectedType,_),Params),!, |
| 1216 | | \+ unify_types_strict(Type,ExpectedType), pretty_type(Type,TS), pretty_type(ExpectedType,ETS), |
| 1217 | | ajoin(['Ignoring JSON value for parameter ',ID,' of operation ', Op, ' due to illegal type ',TS, ', expected:'], Msg), |
| 1218 | | add_error(translate_json_para,Msg,ETS,Pos). |
| 1219 | | illegal_json_binding_type(params(Op),ID,_Type,Pos) :- |
| 1220 | | b_or_z_mode, % otherwise show_eventb_any_arguments makes no sense |
| 1221 | | b_top_level_operation(Op), |
| 1222 | | (b_get_machine_operation_typed_parameters_for_animation(Op,[]), |
| 1223 | | get_preference(show_eventb_any_arguments,false) |
| 1224 | | % TODO: check if ID is a valid virtual parameter, or if trace file was generated with preference set to true |
| 1225 | | -> ajoin(['Ignoring JSON value for parameter ',ID,', operation has no parameters (setting SHOW_EVENTB_ANY_VALUES to TRUE may help):'],Msg) |
| 1226 | | ; ajoin(['Ignoring JSON value for unknown parameter ',ID,' for:'],Msg) |
| 1227 | | ), |
| 1228 | | add_error(translate_json_para,Msg,Op,Pos). |
| 1229 | | illegal_json_binding_type(results(Op),ID,Type,Pos) :- |
| 1230 | | b_or_z_mode, % otherwise there are no typred results available |
| 1231 | | b_get_machine_operation_typed_results(Op,Results), member(b(identifier(ID),ExpectedType,_),Results),!, |
| 1232 | | \+ unify_types_strict(Type,ExpectedType), pretty_type(Type,TS), pretty_type(ExpectedType,ETS), |
| 1233 | | ajoin(['Ignoring JSON value for result ',ID,' of operation ', Op, ' due to illegal type ',TS], Msg), |
| 1234 | | add_error(translate_json_para,Msg,ETS,Pos). |
| 1235 | | % unknown operations are now dealt with later in check_and_adapt_trace_step |
| 1236 | | %illegal_json_binding_type(results(_Op),ID,_Type,Pos) :- |
| 1237 | | % add_error(translate_json_para,'Ignoring JSON value for unknown operation result:',ID,Pos). |
| 1238 | | |
| 1239 | | get_expected_type(ID,variable,ExpectedType) :- bmachine_is_precompiled, b_is_variable(ID,ExpectedType). |
| 1240 | | get_expected_type(ID,constant,ExpectedType) :- bmachine_is_precompiled, b_is_constant(ID,ExpectedType). |
| 1241 | | |
| 1242 | | % TODO: already check results, ... |
| 1243 | | |
| 1244 | | translate_json_pred(string(PredCodes),TPred) :- |
| 1245 | | OuterQuantifier = no_quantifier, |
| 1246 | | % TO DO: parse in context of operation ! otherwise we get type error for pp=pp for example where pp is a parameter |
| 1247 | | eval_strings:repl_parse_predicate(PredCodes,OuterQuantifier,TPred,_TypeInfo). % , print(pred_ok(TPred)),nl. |
| 1248 | | |
| 1249 | | /* |
| 1250 | | after reading a JSON ProB2-UI file looks like this: |
| 1251 | | |
| 1252 | | json([description=string([70,105,108,101,32,99,114,101,97,116,101,100,32,98,121,32,80,114,111,66,32,84,99,108,47,84,107]),transitionList=array([json([name=string([36,105,110,105,116,105,97,108,105,115,101,95,109,97,99,104,105,110,101]),params=json([]),results=json([]),destState=json([active=string([123,125]),ready=string([123,125]),waiting=string([123,125])]),destStateNotChanged=array([]),preds=@(null)]),json([name=string([110,101,119]),params=json([pp=string([112,114,111,99,101,115,115,51])]),results=json([]),destState=json([waiting=string([123,112,114,111,99,101,115,115,51,125])]),destStateNotChanged=array([string([97,99,116,105,118,101]),string([114,101,97,100,121])]),preds=@(null)]),json([name=string([114,101,97,100,121]),params=json([rr=string([112,114,111,99,101,115,115,51])]),results=json([]),destState=json([active=string([123,112,114,111,99,101,115,115,51,125]),waiting=string([123,125])]),destStateNotChanged=array([string([114,101,97,100,121])]),preds=@(null)]),json([name=string([115,119,97,112]),params=json([]),results=json([]),destState=json([active=string([123,125]),waiting=string([123,112,114,111,99,101,115,115,51,125])]),destStateNotChanged=array([string([114,101,97,100,121])]),preds=@(null)]),json([name=string([110,101,119]),params=json([pp=string([112,114,111,99,101,115,115,50])]),results=json([]),destState=json([waiting=string([123,112,114,111,99,101,115,115,50,44,112,114,111,99,101,115,115,51,125])]),destStateNotChanged=array([string([97,99,116,105,118,101]),string([114,101,97,100,121])]),preds=@(null)])]),metadata=json([fileType=string([84,114,97,99,101]),formatVersion=number(1),savedAt=string([50,48,50,49,45,49,48,45,49,51,84,49,51,58,51,56,58,48,50,90]),creator=string([116,99,108,116,107,32,40,108,101,117,115,99,104,101,108,41]),proBCliVersion=string([49,46,49,49,46,49,45,110,105,103,104,116,108,121]),proBCliRevision=string([51,99,98,56,48,48,98,98,97,100,102,101,97,102,52,102,53,56,49,51,50,55,50,52,53,53,48,55,97,53,53,97,101,53,97,53,101,54,54,100]),modelName=string([115,99,104,101,100,117,108,101,114]),modelFile=string([47,85,115,101,114,115,47,108,101,117,115,99,104,101,108,47,103,105,116,95,114,111,111,116,47,112,114,111,98,95,101,120,97,109,112,108,101,115,47,112,117,98,108,105,99,95,101,120,97,109,112,108,101,115,47,66,47,66,101,110,99,104,109,97,114,107,115,47,115,99,104,101,100,117,108,101,114,46,109,99,104])])]) |
| 1253 | | |
| 1254 | | */ |
| 1255 | | |
| 1256 | | % ------------------------- |
| 1257 | | |
| 1258 | | % Interactive Trace Replay API |
| 1259 | | |
| 1260 | | % load a trace file and store it for interactive replay |
| 1261 | | load_json_trace_file_for_ireplay(FileName) :- |
| 1262 | | read_json_trace_file(FileName,ModelName,Trace), |
| 1263 | | reset_json_trace_replay, |
| 1264 | | store_json_trace(Trace,0,Len), |
| 1265 | | assert(current_replay_step(1)), |
| 1266 | | assert(loaded_json_trace_file(FileName,ModelName,Len)). |
| 1267 | | |
| 1268 | | :- dynamic loaded_json_trace_file/3, json_trace_replay_step/3. |
| 1269 | | :- dynamic current_replay_step/1, json_trace_replayed_info/2. |
| 1270 | | |
| 1271 | | |
| 1272 | | :- use_module(eventhandling,[register_event_listener/3]). |
| 1273 | | :- register_event_listener(clear_specification,reset_json_trace_replay, |
| 1274 | | 'Reset interactive trace replay.'). |
| 1275 | | |
| 1276 | | reset_json_trace_replay :- |
| 1277 | | retractall(current_replay_step(_)), |
| 1278 | | retractall(loaded_json_trace_file(_,_,_)), |
| 1279 | | retractall(json_trace_replay_step(_,_,_)), |
| 1280 | | retractall(json_trace_replayed_info(_,_)). |
| 1281 | | |
| 1282 | | store_json_trace([],L,L). |
| 1283 | | store_json_trace([TransSpec|T],StepNr,Len) :- |
| 1284 | | S1 is StepNr + 1, |
| 1285 | | get_transition_spec_txt(TransSpec,TTxt), |
| 1286 | | formatsilent_with_colour(user_output,[blue],'==> Trace step ~w: ~w~n',[S1,TTxt]), |
| 1287 | | phrase(check_and_adapt_trace_step(TransSpec,S1,CorrectedTransSpec),StaticErrors), |
| 1288 | | assert(json_trace_replay_step(S1,CorrectedTransSpec,StaticErrors)), |
| 1289 | | store_json_trace(T,S1,Len). |
| 1290 | | |
| 1291 | | get_trace_step_info(StepNr,StepDescr) :- |
| 1292 | | json_trace_replay_step(StepNr,TransSpec,StaticErrors), |
| 1293 | | get_transition_spec_txt(TransSpec,TTxt), |
| 1294 | | (StaticErrors = [] -> StaticTT=[] |
| 1295 | | ; length(StaticErrors,NrStaticErrors), |
| 1296 | | StaticTT = [' (static errors: ',NrStaticErrors,')'] |
| 1297 | | ), |
| 1298 | | (json_trace_replayed_info(StepNr,Info), |
| 1299 | | get_replay_info_text(Info,TextAtoms) |
| 1300 | | -> append(StaticTT,TextAtoms,TT), |
| 1301 | | ajoin([StepNr,': ',TTxt | TT],StepDescr) |
| 1302 | | ; ajoin([StepNr,': ',TTxt | StaticTT],StepDescr) |
| 1303 | | ). |
| 1304 | | |
| 1305 | | get_replay_info_text(replay(FromID,TransID,MatchInfo,Errors),TextAtoms) :- |
| 1306 | | transition(FromID,OperationTerm,TransID,_ToID), |
| 1307 | | translate_event_with_limit(OperationTerm,40,OpTxt), |
| 1308 | | !, |
| 1309 | | (Errors=[] -> TextAtoms = [' * REPLAYED (', MatchInfo,') : ',OpTxt] |
| 1310 | | ; length(Errors,NrErrors), |
| 1311 | | TextAtoms = [' * REPLAYED (', MatchInfo, ', errors: ',NrErrors,') : ', OpTxt] |
| 1312 | | ). |
| 1313 | | get_replay_info_text(skipped,[' SKIPPED']) :- !. |
| 1314 | | get_replay_info_text(X,[X]). |
| 1315 | | |
| 1316 | | tk_get_stored_json_trace_description(list(List)) :- |
| 1317 | | findall(StepDescr,get_trace_step_info(_,StepDescr),List). |
| 1318 | | |
| 1319 | | get_stored_json_replay_steps(List) :- |
| 1320 | | findall(ireplay_step(StepNr,TTxt,StaticErrors), |
| 1321 | | (json_trace_replay_step(StepNr,TransSpec,RErrors), |
| 1322 | | maplist(get_rerror,RErrors,StaticErrors), |
| 1323 | | get_transition_spec_txt(TransSpec,TTxt)), |
| 1324 | | List). |
| 1325 | | |
| 1326 | | try_replay_next_step(MatchSpecs,CurStepNr,FromID,TransID,DestId,MatchInfo,TkTransInfos,TkErrors) :- |
| 1327 | | (var(CurStepNr) -> current_replay_step(CurStepNr) ; true), % allow to pass a fixed Nr from ProB2 |
| 1328 | | (var(FromID) -> current_state_id(FromID) ; true), % allow to pass a fixed ID from ProB2 |
| 1329 | | json_trace_replay_step(CurStepNr,TransSpec,StaticErrors), |
| 1330 | | flexible_perform_single_replay_step(FromID,TransID,DestId,MatchSpecs,TransSpec,MatchInfo), |
| 1331 | | phrase(check_step_postconditions(TransSpec,DestId),Errors,StaticErrors), |
| 1332 | | get_transition_name(FromID,TransID,OpName), |
| 1333 | | length(Errors,NrErrs), |
| 1334 | | formatsilent_with_colour(user_output,[green], '==> Replay step ~w (~w) ~w leading to state ~w~n',[CurStepNr,MatchInfo,OpName,DestId]), |
| 1335 | | (NrErrs>0 -> formatsilent_with_colour(user_output,[orange],' Errors (~w): ~w~n',[NrErrs,Errors]) ; true), |
| 1336 | | findall(TInfo,get_transition_info(TransSpec,TInfo),TkTransInfos), |
| 1337 | | maplist(get_rerror,Errors,TkErrors). % make errors atomic for Tk |
| 1338 | | |
| 1339 | | get_rerror(Err,Msg) :- get_replay_error(Err,Msg),!. |
| 1340 | | get_rerror(Err,Msg) :- atom(Err),!,Msg=Err. |
| 1341 | | get_rerror(Err,F) :- functor(Err,F). |
| 1342 | | |
| 1343 | | :- use_module(translate,[translate_bexpression_with_limit/3]). |
| 1344 | | % get text descriptions for a transition_spec, to be shown to user e.g. in Tk listbox: |
| 1345 | | get_transition_info(transition_spec(_Op, _Meta, Paras, Results, DestStore,_UnchangedVars,_Preds,_Post),InfoTxt) :- |
| 1346 | | (Kind=para, List=Paras |
| 1347 | | ; Kind=result, List=Results |
| 1348 | | ; Kind=dest, List=DestStore), |
| 1349 | | get_binding_txt(List,Txt), |
| 1350 | | ajoin([Kind,' : ',Txt],InfoTxt). |
| 1351 | | get_transition_info(transition_spec(_Op, _, _, _, _,UnchangedVars,_,_),InfoTxt) :- |
| 1352 | | member(ID,UnchangedVars), |
| 1353 | | ajoin(['unchanged : ',ID],InfoTxt). |
| 1354 | | get_transition_info(transition_spec(_Op, _, _, _, _,_,Preds,_),InfoTxt) :- |
| 1355 | | member(TP,Preds), |
| 1356 | | translate_bexpression_with_limit(TP,250,TPS), |
| 1357 | | ajoin(['pred : ',TPS],InfoTxt). |
| 1358 | | |
| 1359 | | get_binding_txt(List,BindingText) :- |
| 1360 | | member(json_bind(Var,Value,_ValType,_ValPos),List), |
| 1361 | | translate_bvalue_with_limit(Value,200,VS), |
| 1362 | | ajoin([Var,'=',VS],BindingText). |
| 1363 | | |
| 1364 | | default_match_specs([MatchSpec,MS2,MS3]) :- |
| 1365 | | precise_match_spec(MatchSpec), % require precise replay |
| 1366 | | ignore_dest_match_spec(MS2), |
| 1367 | | opname_optimize_match_spec(MS3). |
| 1368 | | |
| 1369 | | ireplay :- default_match_specs(MS), |
| 1370 | | ireplay(MS). |
| 1371 | | |
| 1372 | | :- use_module(probsrc(state_space), [extend_trace_by_transition_ids/1]). |
| 1373 | | ireplay(MatchSpecs) :- |
| 1374 | | replay_current_step(MatchSpecs,_),!, |
| 1375 | | ireplay(MatchSpecs). |
| 1376 | | ireplay(MatchSpecs) :- |
| 1377 | | skip_current_ireplay_step(_), |
| 1378 | | ireplay(MatchSpecs). |
| 1379 | | |
| 1380 | | % get information about how the status of replaying a loaded trace is: |
| 1381 | | get_ireplay_status(CurStepNr,Steps,Finished) :- |
| 1382 | | loaded_json_trace_file(_,_,Steps), |
| 1383 | | current_replay_step(CurStepNr), |
| 1384 | | (CurStepNr =< Steps |
| 1385 | | -> Finished=not_finished |
| 1386 | | ; Finished=finished). |
| 1387 | | |
| 1388 | | replay_of_current_step_is_possible(CurStepNr,OpName,MatchInfo,list(TransInfos),list(Errors)) :- % Tk |
| 1389 | | default_match_specs(MS), |
| 1390 | | try_replay_next_step(MS,CurStepNr,FromID,TransID,_DestId,MatchInfo,TransInfos,Errors), |
| 1391 | | get_transition_name(FromID,TransID,OpName). |
| 1392 | | |
| 1393 | | replay_of_current_step_is_possible_with_trans(CurStepNr,FromID,OpTerm,MatchInfo,list(Errors)) :- % ProB2 |
| 1394 | | default_match_specs(MS), |
| 1395 | | try_replay_next_step(MS,CurStepNr,FromID,TransID,DestID,MatchInfo,_TransInfos,Errors), |
| 1396 | | create_op_transition(FromID,TransID,DestID,OpTerm). |
| 1397 | | |
| 1398 | | create_op_transition(FromID,TransID,DestID,op(TransID,OpName,FromID,DestID)) :- |
| 1399 | | get_transition_name(FromID,TransID,OpName). |
| 1400 | | |
| 1401 | | % try and replay as much as possible |
| 1402 | | ireplay_fast_forward(NrReplayed) :- |
| 1403 | | default_match_specs(MS), ireplay_fast_forward(MS,0,NrReplayed). |
| 1404 | | |
| 1405 | | ireplay_fast_forward(MatchSpecs,Nr,NrReplayed) :- |
| 1406 | | replay_current_step(MatchSpecs,_),!, |
| 1407 | | N1 is Nr+1, |
| 1408 | | ireplay_fast_forward(MatchSpecs,N1,NrReplayed). |
| 1409 | | ireplay_fast_forward(_,NrReplayed,NrReplayed). |
| 1410 | | |
| 1411 | | ireplay_fast_forward_with_trans(CurStepNr,FromID,NrReplayed,Transitions,MatchInfos,Errors) :- % for ProB2 |
| 1412 | | default_match_specs(MS), |
| 1413 | | ireplay_fast_forward_with_trans(MS,CurStepNr,FromID,0,NrReplayed,Transitions,MatchInfos,Errors). |
| 1414 | | ireplay_fast_forward_with_trans(MS,CurStepNr,FromID,Nr,NrReplayed,[OpTerm|T1],[MatchInfo|M1],[Errors|E1]) :- |
| 1415 | | replay_current_step_with_trans(MS,CurStepNr,FromID,OpTerm,MatchInfo,Errors),!, |
| 1416 | | OpTerm = op(_,_,_,DestID), |
| 1417 | | N1 is Nr+1, |
| 1418 | | NextStepNr is CurStepNr+1, |
| 1419 | | ireplay_fast_forward_with_trans(MS,NextStepNr,DestID,N1,NrReplayed,T1,M1,E1). |
| 1420 | | ireplay_fast_forward_with_trans(_,_,_,NrReplayed,NrReplayed,[],[],[]). |
| 1421 | | |
| 1422 | | % replay the currently selected step of the JSON trace, matching one step of the trace with one animation step |
| 1423 | | replay_current_step(CurStepNr) :- % Tk |
| 1424 | | default_match_specs(MS), replay_current_step(MS,CurStepNr). |
| 1425 | | |
| 1426 | | % try and replay current step according to match specifications |
| 1427 | | replay_current_step(MatchSpecs,CurStepNr) :- |
| 1428 | | try_replay_next_step(MatchSpecs,CurStepNr,FromID,TransID,_DestID,MatchInfo,_,Errors),!, |
| 1429 | | extend_trace_by_transition_ids([TransID]), % update state space |
| 1430 | | assert(json_trace_replayed_info(CurStepNr,replay(FromID,TransID,MatchInfo,Errors))), |
| 1431 | | increase_step_nr. |
| 1432 | | |
| 1433 | | %replay_current_step_with_trans(FromID,OpTerm,MatchInfo,Errors) :- % ProB2 |
| 1434 | | % default_match_specs(MS), |
| 1435 | | % replay_current_step_with_trans(MS,FromID,OpTerm,MatchInfo,Errors). |
| 1436 | | replay_current_step_with_trans(MatchSpecs,CurStepNr,FromID,OpTerm,MatchInfo,Errors) :- % ProB2 |
| 1437 | | try_replay_next_step(MatchSpecs,CurStepNr,FromID,TransID,DestID,MatchInfo,_,Errors),!, |
| 1438 | | create_op_transition(FromID,TransID,DestID,OpTerm). |
| 1439 | | |
| 1440 | | % skip the current replay step and go to the next one |
| 1441 | | skip_current_ireplay_step(CurStepNr) :- |
| 1442 | | current_replay_step(CurStepNr), |
| 1443 | | json_trace_replay_step(CurStepNr,TransSpec,_StaticErrors), |
| 1444 | | get_transition_spec_txt(TransSpec,TTxt), |
| 1445 | | formatsilent_with_colour(user_output,[orange],'Skipping replay step ~w : ~w~n',[CurStepNr,TTxt]), |
| 1446 | | assert(json_trace_replayed_info(CurStepNr,skipped)), |
| 1447 | | increase_step_nr. |
| 1448 | | |
| 1449 | | increase_step_nr :- |
| 1450 | | retract(current_replay_step(CurStepNr)), |
| 1451 | | S1 is CurStepNr+1, |
| 1452 | | assert(current_replay_step(S1)). |
| 1453 | | |
| 1454 | | % :- b_intelligent_trace_replay:load_json_trace_file_for_interactive_replay('/Users/leuschel/git_root/prob_examples/public_examples/B/CBC/ConstantsAndVars/MyAwesomeLift.prob2trace'), b_intelligent_trace_replay:ireplay. |
| 1455 | | |
| 1456 | | |
| 1457 | | |