| 1 | | % (c) 2009-2025 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 | | |
| 6 | | :- module(error_manager,[init_error_manager/0, |
| 7 | | add_warning/2, add_warning/3, add_warning/4, |
| 8 | | reset_errors/0, clear_wd_errors/0, |
| 9 | | add_error/2, add_error/3, add_error/4, |
| 10 | | add_error_and_fail/3, add_error_and_fail/2, |
| 11 | | add_error_fail/3, |
| 12 | | add_failed_call_error/1, add_internal_error/2, add_internal_error/4, |
| 13 | | register_optional_error_or_warning/1, reset_optional_errors_or_warnings/0, |
| 14 | | assert_true/1, |
| 15 | | add_debug_message/3, add_debug_message/4, |
| 16 | | add_msg_warn_or_err/5, |
| 17 | | add_message/2, add_message/3, add_message/4, |
| 18 | | add_all_perrors/1, add_all_perrors/2, add_all_perrors/3, add_all_perrors/4, |
| 19 | | get_perror/4, |
| 20 | | no_real_perror_occurred/1, |
| 21 | | get_all_errors/1, tcltk_get_all_errors/4, |
| 22 | | get_tk_table_position_info/2, |
| 23 | | get_all_errors_and_reset/1, % call if you want to start with a fresh top-level error scope |
| 24 | | get_all_errors_with_span_info_and_reset/1, % ditto + obtain location info; excludes messages |
| 25 | | get_all_errors_with_span_and_context_and_reset/1, % ditt + global context and call stack |
| 26 | | get_all_errors_and_clear/1, |
| 27 | | get_error/2, get_error_with_span/3, |
| 28 | | get_warning/2, check_error_occured/2, check_warning_occured/2, |
| 29 | | get_error_span_linecol/5, get_error_span_linecol/4, |
| 30 | | simplify_span/2, |
| 31 | | tk_get_error_span_linecol_for_main_file/4, |
| 32 | | register_error_span/2, |
| 33 | | check_error_span_file_linecol/6, |
| 34 | | position_is_not_in_main_file/1, |
| 35 | | error_or_warning_occured/0, |
| 36 | | real_error_occurred/0, reset_real_error_occurred/0, assert_real_error_occurred/1, |
| 37 | | warning_occurred/0, % true if a warning was raised |
| 38 | | wd_error_occured/0, |
| 39 | | test_error_occurred/1, count_errors_occurred/2, |
| 40 | | get_total_number_of_errors/1, |
| 41 | | reset_error_spans/0, |
| 42 | | |
| 43 | | backup_errors/0, backed_up_error/4, |
| 44 | | |
| 45 | | set_error_context/1, clear_error_context/0, |
| 46 | | get_error_context/1, restore_error_context/1, |
| 47 | | print_error_context/0, |
| 48 | | |
| 49 | | extract_span_description/2, extract_span_description_with_opts/3, |
| 50 | | extract_symbolic_label_pos/2, extract_symbolic_label/2, |
| 51 | | extract_line_col/5, extract_file_line_col/6, |
| 52 | | extract_all_line_col/5, |
| 53 | | extract_line_col_for_main_file/5, |
| 54 | | extract_subsidiary_tail_file_name/2, extract_tail_file_name/2, |
| 55 | | extract_file_number_and_name/3, |
| 56 | | extract_additional_description/2, extract_pos_context/4, |
| 57 | | extract_definition_call_stack/2, extract_definition_call_stack_desc/2, |
| 58 | | print_error_span/1, print_message_span/1, |
| 59 | | |
| 60 | | turn_show_error_source_on/0, turn_show_error_source_off/0, |
| 61 | | |
| 62 | | enter_new_error_scope/1, enter_new_error_scope/2, |
| 63 | | enter_new_clean_error_scope/1, |
| 64 | | get_current_error_scope/1, |
| 65 | | exit_error_scope/2, exit_error_scope/3, |
| 66 | | error_occurred_at_level/1, specific_event_occurred_at_level/2, |
| 67 | | %throw_errors_in_scope/3, |
| 68 | | add_new_event_in_error_scope/1, add_new_event_in_error_scope/2, |
| 69 | | event_occurred_in_error_scope/1, error_occurred_in_error_scope/0, |
| 70 | | clear_events_in_error_scope/2, clear_events_in_current_error_scope/1, |
| 71 | | translate_error_event/2, |
| 72 | | clear_enumeration_warning_in_error_scope/1, |
| 73 | | clear_all_errors_in_error_scope/1, |
| 74 | | call_in_fresh_error_scope_for_one_solution/1, |
| 75 | | enumeration_warning_occured_in_error_scope/0, |
| 76 | | is_enumeration_warning_exception/1, |
| 77 | | abort_error_occured_in_error_scope/0, |
| 78 | | on_enumeration_warning/2, on_enumeration_warning_with_continue/3, |
| 79 | | throw_enumeration_warnings_in_current_scope/0, |
| 80 | | throw_enumeration_warnings_in_scope/3, |
| 81 | | catch_enumeration_warning_exceptions/2, catch_enumeration_warning_exceptions/3, |
| 82 | | catch_enumeration_warning_exceptions/4, catch_enumeration_warning_exceptions_and_wd_failures/5, |
| 83 | | call_with_enumeration_warning/1, |
| 84 | | observe_enumeration_warnings/2, |
| 85 | | critical_enumeration_warning_occured_in_error_scope/4, |
| 86 | | critical_enumeration_warning_occured_in_error_scope/0, |
| 87 | | virtual_time_out_occured_in_error_scope/1, % variation which returns a virtual_time_out(.) term |
| 88 | | clear_enumeration_warnings/0, |
| 89 | | translate_events_in_current_scope_to_warnings/2, |
| 90 | | time_out_with_enum_warning_one_solution/3, % use this for finding one solution |
| 91 | | time_out_with_enum_warning_one_solution/4, |
| 92 | | time_out_with_enum_warning_one_solution_no_new_error_scope/3, |
| 93 | | is_time_out_result/1, |
| 94 | | time_out_with_enum_warning_for_findall/3, % use this if you cycle through all solutions |
| 95 | | time_out_with_enum_warning_for_findall_in_current_error_scope/4, |
| 96 | | get_virtual_time_out_from_exception/2, % used by time_out_with_enum_warning_for_findall |
| 97 | | clpfd_overflow_msg/1, |
| 98 | | is_clpfd_overflow_representation_error/2, is_clpfd_overflow_representation_error_msg/1, |
| 99 | | logged_error/4, |
| 100 | | display_error_statistics/0, |
| 101 | | set_error_manager_silent_mode/1 |
| 102 | | ]). |
| 103 | | |
| 104 | | % meta_predicate annotations should appear before loading any code: |
| 105 | | :- meta_predicate add_failed_call_error(0). |
| 106 | | :- meta_predicate add_internal_error(-,:). |
| 107 | | :- meta_predicate add_new_event_in_error_scope(-,2). |
| 108 | | |
| 109 | | :- meta_predicate on_enumeration_warning(0,0). |
| 110 | | :- meta_predicate on_enumeration_warning_with_continue(0,0,0). |
| 111 | | |
| 112 | | :- meta_predicate catch_enumeration_warning_exceptions(0,0). |
| 113 | | :- meta_predicate catch_enumeration_warning_exceptions(0,0,-). |
| 114 | | :- meta_predicate catch_enumeration_warning_exceptions(0,0,-,-). |
| 115 | | :- meta_predicate catch_enumeration_warning_exceptions_and_wd_failures(0,0,-,0,-). |
| 116 | | |
| 117 | | :- meta_predicate observe_enumeration_warnings(0,0). |
| 118 | | |
| 119 | | :- meta_predicate time_out_with_enum_warning_one_solution(0,-,-). |
| 120 | | :- meta_predicate time_out_with_enum_warning_one_solution(0,-,-,-). |
| 121 | | |
| 122 | | :- meta_predicate call_in_fresh_error_scope_for_one_solution(0). |
| 123 | | |
| 124 | | :- meta_predicate call_with_enumeration_warning(0). |
| 125 | | |
| 126 | | :- meta_predicate time_out_with_enum_warning_one_solution_no_new_error_scope(0,-,-). |
| 127 | | |
| 128 | | :- meta_predicate time_out_with_enum_warning_for_findall(0,-,-). |
| 129 | | :- meta_predicate time_out_with_enum_warning_for_findall2(-,0,-,-). |
| 130 | | |
| 131 | | :- meta_predicate time_out_with_enum_warning_for_findall_in_current_error_scope(-,0,-,-). |
| 132 | | |
| 133 | | :- meta_predicate assert_true(0). |
| 134 | | :- meta_predicate catch_wd(-,0,-). |
| 135 | | |
| 136 | | % ------------ |
| 137 | | |
| 138 | | :- use_module(library(lists)). |
| 139 | | |
| 140 | | :- use_module(tools,[get_tail_filename/2]). |
| 141 | | :- use_module(tools_lists,[count_occurences/2]). |
| 142 | | :- use_module(tools_printing,[print_error/1,print_message_on_stream/3,format_error_with_nl/2,format_with_colour/4]). |
| 143 | | :- use_module(tools_strings,[ajoin/2, string_concatenate/3, ajoin_with_sep/3]). |
| 144 | | |
| 145 | | :- use_module(module_information,[module_info/2]). |
| 146 | | :- module_info(group,infrastructure). |
| 147 | | :- module_info(description,'The error_manager controls error messages. Error messages can be added, retrieved, counted,etc. The module also takes care of extracting source spans from error messages.'). |
| 148 | | |
| 149 | | %:- use_module(translate). |
| 150 | | :- use_module(debug, [debug_mode/1, debug_println/1, debug_println/2, debug_format/3]). |
| 151 | | :- use_module(preferences,[get_preference/2,reset_temporary_preference/2, |
| 152 | | temporary_set_preference/3]). |
| 153 | | |
| 154 | | |
| 155 | | :- use_module(extension('counter/counter'), |
| 156 | | [counter_init/1, new_counter/1, get_counter/2, inc_counter/2, set_counter/2]). |
| 157 | | |
| 158 | | % cur_block_level is now stored as a C counter, which needs to be initialised |
| 159 | | init_error_manager :- counter_init(Result), new_counter(cur_block_level), |
| 160 | | (Result=success -> true |
| 161 | | ; assert_real_error_occurred(counter), |
| 162 | | print_error('C++ counter extension initialisation failure!')). |
| 163 | | |
| 164 | | |
| 165 | | :- dynamic optional_error_or_warning/1. |
| 166 | | register_optional_error_or_warning(Type) :- |
| 167 | | (optional_error_or_warning(Type) -> true ; assertz(optional_error_or_warning(Type))). |
| 168 | | reset_optional_errors_or_warnings :- retractall(optional_error_or_warning(_)). |
| 169 | | |
| 170 | | % INTERNAL ERRORS |
| 171 | | |
| 172 | | |
| 173 | | add_failed_call_error(Call) :- !, |
| 174 | | add_internal_error('Internal Error; call failed: ',Call). |
| 175 | | |
| 176 | | add_internal_error(Module,Msg,Term,Span) :- |
| 177 | | add_error(internal_error(Module),Msg,Term,Span). |
| 178 | | add_internal_error(Msg,Module:Call) :- !, |
| 179 | | add_error(internal_error(Module),Msg,Call). |
| 180 | | add_internal_error(Msg,Call) :- |
| 181 | | add_error(internal_error(unknown_module),Msg,Call). |
| 182 | | |
| 183 | | |
| 184 | | % ERROR SCOPING |
| 185 | | |
| 186 | | %:- dynamic cur_block_level/1. |
| 187 | | %cur_block_level(0). % no realised as a C counter |
| 188 | | :- volatile error_occurred_at_level/1. |
| 189 | | :- dynamic error_occurred_at_level/1. |
| 190 | | :- volatile throw_error/3. |
| 191 | | :- dynamic throw_error/3. |
| 192 | | :- volatile do_not_print_error/2. |
| 193 | | :- dynamic do_not_print_error/2. |
| 194 | | |
| 195 | | |
| 196 | | get_current_error_scope(Level) :- get_counter(cur_block_level,Level). |
| 197 | | |
| 198 | | enter_new_error_scope(Level,_PP) :- |
| 199 | | enter_new_error_scope(Level). %, tools_printing:print_term_summary(enter(Level,_PP)),nl. |
| 200 | | enter_new_error_scope(Level) :- |
| 201 | | enter_new_clean_error_scope(Level), |
| 202 | | L1 is Level - 1, |
| 203 | | copy_throw_errors(L1,Level). |
| 204 | | copy_throw_errors(L1,L) :- |
| 205 | ? | throw_error(L1,Error,Span), %print(copy(throw(L1,L,Error))),nl, |
| 206 | | assertz(throw_error(L,Error,Span)),fail. |
| 207 | | copy_throw_errors(L1,L) :- |
| 208 | | do_not_print_error(L1,Error), |
| 209 | | assertz(do_not_print_error(L,Error)),fail. |
| 210 | | copy_throw_errors(_,_). |
| 211 | | enter_new_clean_error_scope(Level) :- |
| 212 | | inc_counter(cur_block_level,L1), |
| 213 | | (retract(throw_error(L1,_,_)) -> retractall(throw_error(L1,_,_)) ; true), % DO WE NEED THIS ?? |
| 214 | | (retract(do_not_print_error(L1,_)) -> retractall(do_not_print_error(L1,_)) ; true), |
| 215 | | % print(enter(L1)),nl,trace, |
| 216 | | Level=L1. |
| 217 | | |
| 218 | | |
| 219 | | % mark that everything unifying with Error should be thrown rather than collected |
| 220 | | throw_errors_in_scope(Level,Error,Span) :- |
| 221 | | (\+ throw_error(Level,Error,Span) % TO DO: check that we are an instance of existing error ! |
| 222 | | -> assertz(throw_error(Level,Error,Span)) |
| 223 | | ; true). |
| 224 | | |
| 225 | | % state that this event/error should not be printd |
| 226 | | silent_enum_warnings_in_scope(Level,Critical) :- |
| 227 | | Error = enumeration_warning(_,_,_,_,Critical), |
| 228 | | assertz(do_not_print_error(Level,Error)). |
| 229 | | |
| 230 | | clear_all_errors_in_error_scope(Level) :- %print(clearing(Level)),nl, |
| 231 | | clear_events_in_error_scope(Level,_), |
| 232 | | error_occurred_at_level(L1), L1>Level, %print(clearing(L1)),nl, |
| 233 | | clear_events_in_error_scope(Level,_),fail. |
| 234 | | clear_all_errors_in_error_scope(_). |
| 235 | | |
| 236 | | % useful in call_cleanup; when error block may already be exited |
| 237 | | exit_error_scope_if_necessary(Level,PP) :- get_counter(cur_block_level,CurLevel), |
| 238 | | (Level =< CurLevel |
| 239 | | -> exit_error_scope(Level,_,PP) %,print(exit(Level,CurLevel,PP)),nl |
| 240 | | ; true). |
| 241 | | |
| 242 | | exit_error_scope(Level,ErrorOcc) :- exit_error_scope(Level,ErrorOcc,unknown). |
| 243 | | exit_error_scope(Level,ErrorOcc,PP) :- get_counter(cur_block_level,CurL), |
| 244 | | (CurL = Level -> NewL is CurL-1 |
| 245 | | ; Level < CurL -> NewL is Level-1, |
| 246 | | %print_error_scopes, |
| 247 | | format('*** exiting multiple error blocks (~w -> ~w) for ~w ***~n',[CurL,NewL,PP]) |
| 248 | | ; format('*** block ~w already exited (currently at ~w) for ~w ***~n',[Level,CurL,PP]), |
| 249 | | NewL is CurL |
| 250 | | ), set_counter(cur_block_level,NewL), |
| 251 | | copy_error_scope_events(CurL,NewL), |
| 252 | ? | (retract(throw_error(CurL,_,_)) -> retractall(throw_error(CurL,_,_)) ; true), |
| 253 | | (retract(do_not_print_error(CurL,_)) -> retractall(do_not_print_error(CurL,_)) ; true), |
| 254 | | (retract(error_occurred_at_level(CurL)) |
| 255 | | -> ErrorOcc=true, |
| 256 | | (error_occurred_at_level(NewL) -> true ; assertz(error_occurred_at_level(NewL))) |
| 257 | | ; ErrorOcc=false). |
| 258 | | %indent(Level), format('exit level ~w for ~w, cur level ~w, error occ = ~w~n',[Level,PP,CurL,ErrorOcc]). |
| 259 | | |
| 260 | | |
| 261 | | % versions of enter_new_error_scope and exit_error_scope which re_enter blocks and clean up upon backtracking |
| 262 | | %enter_new_error_scope_bt(Level,PP) :- enter_new_error_scope(Level,PP), exit_upon_fail(Level,PP). |
| 263 | | %exit_upon_fail(_,_). |
| 264 | | %exit_upon_fail(Level,PP) :- print(exit_upon_backtrack(Level,PP)),nl, |
| 265 | | % exit_error_scope(Level,_,PP),fail. |
| 266 | | % |
| 267 | | %exit_error_scope_bt(Level,ErrorOcc,PP) :- exit_error_scope(Level,ErrorOcc,PP). |
| 268 | | %exit_error_scope_bt(Level,_ErrorOcc,PP) :- print(re_enter_block(Level,PP)),nl, |
| 269 | | % enter_new_error_scope(Level2,PP), |
| 270 | | % (Level2=Level -> true ; print(mismatch_when_reentering_block(Level,PP)),nl), |
| 271 | | % fail. |
| 272 | | |
| 273 | | % --------------------------- |
| 274 | | |
| 275 | | |
| 276 | | |
| 277 | | assert_real_error_in_current_block(Source) :- get_counter(cur_block_level,L),L>0, |
| 278 | | %print(assert_real_error_in_current_block(L)),nl, |
| 279 | | (specific_event_occurred_at_level(L,Source) -> true |
| 280 | | ; assertz(specific_event_occurred_at_level(L,Source))), % ensures that clear_events_in_current_error_scope does not remove error_occurred_at_level if used for enumeration warnings, ... |
| 281 | | \+ error_occurred_at_level(L), assertz(error_occurred_at_level(L)),!. |
| 282 | | assert_real_error_in_current_block(_). |
| 283 | | |
| 284 | | |
| 285 | | reset_error_scopes :- |
| 286 | | (set_counter(cur_block_level,0) -> true |
| 287 | | ; format(user_error,'~n*** set_counter(cur_block_level,0) failed!!~n',[]),fail |
| 288 | | ), % try debug random gitlab failures; something really bad happened |
| 289 | | retractall(error_occurred_at_level(_)), |
| 290 | | retractall(specific_event_occurred_at_level(_,_)). |
| 291 | | |
| 292 | | % for debugging / portraying error scopes: |
| 293 | | % portray_error_scopes |
| 294 | | :- public print_error_scopes/0. |
| 295 | | print_error_scopes :- |
| 296 | | if(get_counter(cur_block_level,L), |
| 297 | | (format(' Cur Block Level = ~w~n',[L]), |
| 298 | | throw_error(L,Error,_Span), |
| 299 | | format(' -> throw: ~w~n',[Error]) |
| 300 | | ), |
| 301 | | format(' *** NO Cur Block Level Information !!',[]) |
| 302 | | ), |
| 303 | | fail. |
| 304 | | print_error_scopes :- |
| 305 | | findall(L,error_occurred_at_level(L),LL), |
| 306 | | format(' Errors occured at those levels: ~w~n',[LL]), |
| 307 | | format(' Specific events at levels:~n',[]), |
| 308 | | specific_event_occurred_at_level(Level,Err), |
| 309 | | format(' ~w --> ~w~n',[Level,Err]), |
| 310 | | fail. |
| 311 | | print_error_scopes. |
| 312 | | |
| 313 | | % call a predicate in fresh error scope (assuming one solution is searched for only; failure is also ok) |
| 314 | | % and then discard all errors |
| 315 | | call_in_fresh_error_scope_for_one_solution(Call) :- |
| 316 | | enter_new_error_scope(Level,call_in_fresh_error_scope_for_one_solution), |
| 317 | | call_cleanup(Call, |
| 318 | | (clear_all_errors_in_error_scope(_), |
| 319 | | exit_error_scope(Level,_,call_in_fresh_error_scope_for_one_solution))). |
| 320 | | |
| 321 | | :- volatile specific_event_occurred_at_level/2. |
| 322 | | :- dynamic specific_event_occurred_at_level/2. |
| 323 | | |
| 324 | | % can be used to keep track of whether specific events occurred within an error_scope |
| 325 | | add_new_event_in_error_scope(Event) :- |
| 326 | | add_new_event_in_error_scope(Event,do_nothing). |
| 327 | | do_nothing(_,_). |
| 328 | | add_new_event_in_error_scope(Event,PrintMessageCall) :- |
| 329 | | get_counter(cur_block_level,L), |
| 330 | ? | (specific_event_occurred_at_level(L,Event) -> fail |
| 331 | | ; (throw_error(L,Event,Span) |
| 332 | | -> (debug_mode(off) -> true ; print_message(informational,throwing(Event))), % trace, % <--- |
| 333 | | (do_not_print_error(L,Event), debug_mode(off) -> true ; call(PrintMessageCall,throwing,Span)), |
| 334 | | % Note: event is not asserted ! See e.g. tests 1089, 1519, 1522, 1661, 1199, 1291, ... |
| 335 | | throw(Event) |
| 336 | | ; assertz(specific_event_occurred_at_level(L,Event)), |
| 337 | | (do_not_print_error(L,Event), debug_mode(off) -> true ; call(PrintMessageCall,not_throwing,unknown)) |
| 338 | | ) |
| 339 | | ). |
| 340 | | |
| 341 | | % call if you just want to add the error information; without throwing |
| 342 | | assert_event_in_error_scope_without_throw(Event) :- get_counter(cur_block_level,L), |
| 343 | | (specific_event_occurred_at_level(L,Event) -> true |
| 344 | | ; assertz(specific_event_occurred_at_level(L,Event))). |
| 345 | | |
| 346 | | error_occurred_in_error_scope :- get_counter(cur_block_level,L),error_occurred_at_level(L). |
| 347 | ? | event_occurred_in_error_scope(Event) :- get_counter(cur_block_level,L),specific_event_occurred_at_level(L,Event). |
| 348 | | |
| 349 | ? | copy_error_scope_events(FromLevel,ToLevel) :- retract(specific_event_occurred_at_level(FromLevel,Event)), |
| 350 | ? | \+ specific_event_occurred_at_level(ToLevel,Event), |
| 351 | | % print(copying_event(FromLevel,ToLevel,Event)),nl, |
| 352 | | assertz(specific_event_occurred_at_level(ToLevel,Event)), % should we throw if this level demands it ? |
| 353 | | (throw_error(ToLevel,Event,_Span) |
| 354 | | -> debug_println(20,throw_copied_event(Event)), throw(Event)), |
| 355 | | fail. |
| 356 | | copy_error_scope_events(_,_). |
| 357 | | |
| 358 | | clear_events_in_current_error_scope(Event) :- get_counter(cur_block_level,L),clear_events_in_error_scope(L,Event). |
| 359 | | |
| 360 | | %clear_events_in_error_scope(L,Event) :-retract(specific_event_occurred_at_level(L,Event)), print(retract(L,Event)),nl,fail. |
| 361 | | |
| 362 | | clear_enumeration_warning_in_error_scope(Level) :- |
| 363 | | clear_events_in_error_scope(Level,enumeration_warning(_,_,_,_,_)). |
| 364 | | |
| 365 | | clear_events_in_error_scope(L,Event) :- |
| 366 | ? | (specific_event_occurred_at_level(L,_) |
| 367 | | -> retractall(specific_event_occurred_at_level(L,Event)), |
| 368 | | (specific_event_occurred_at_level(L,_) -> true % we have not removed all events |
| 369 | | ; retract(error_occurred_at_level(L)) -> true |
| 370 | | ; true |
| 371 | | ) |
| 372 | | ; true). % no errors can have been there |
| 373 | | |
| 374 | | throw_enumeration_warnings_in_current_scope :- |
| 375 | | get_counter(cur_block_level,L), throw_enumeration_warnings_in_scope(L,_,unknown). |
| 376 | | |
| 377 | | throw_enumeration_warnings_in_scope(Level,Critical,Span) :- |
| 378 | | simplify_span(Span,SimplifiedSpan), % relevant for test 1562 |
| 379 | | throw_errors_in_scope(Level,enumeration_warning(_,_,_,_,Critical),SimplifiedSpan). |
| 380 | | |
| 381 | | on_enumeration_warning(Call, BackupCall) :- |
| 382 | ? | on_enumeration_warning_with_continue(Call, BackupCall, true). |
| 383 | | % sets up a new error scope and forces enumeration_warnings to be thrown |
| 384 | | % if an enumeration_warning happens the BackupCall is executed |
| 385 | | on_enumeration_warning_with_continue(Call, _, _) :- is_true_call(Call),!. % happens e.g., for card_for_specific_closure3 |
| 386 | | on_enumeration_warning_with_continue(Call, BackupCall, TrueContinuation) :- |
| 387 | | enter_new_error_scope(Level,on_enumeration_warning_with_continue), |
| 388 | | throw_enumeration_warnings_in_scope(Level,_,unknown), |
| 389 | ? | call_cleanup( |
| 390 | | catch( |
| 391 | | if(Call, |
| 392 | | (exit_error_scope(Level,_,on_enumeration_warning_with_continue_true), |
| 393 | | % TODO: we need a version that re-instates error_scope upon backtracking?! |
| 394 | | call(TrueContinuation)), |
| 395 | | (exit_error_scope(Level,_,on_enumeration_warning_with_continue_false),fail) |
| 396 | | ), |
| 397 | | Exc, |
| 398 | | (exit_error_scope(Level,_,on_enumeration_warning_with_continue_exception), % We do not catch timeouts |
| 399 | | (Exc=enumeration_warning(_,_,_,_,_) -> call(BackupCall) ; throw(Exc)) |
| 400 | | ) |
| 401 | | ), |
| 402 | | exit_error_scope_if_necessary(Level,on_enumeration_warning_with_continue_timeout) % TIMEOUT |
| 403 | | ). |
| 404 | | |
| 405 | | % check if we are simply calling on_enumeration_warning with trivial true call; avoid call_cleanup, error_scope. |
| 406 | | is_true_call(_:X) :- !, nonvar(X), is_true_call(X). |
| 407 | | is_true_call(call(X)) :- !, is_true_call(X). |
| 408 | | is_true_call(true). |
| 409 | | |
| 410 | | catch_enumeration_warning_exceptions(Call, BackupCall) :- |
| 411 | | catch_enumeration_warning_exceptions_and_wd_failures(Call,BackupCall,false,fail,unknown). |
| 412 | | catch_enumeration_warning_exceptions(Call, BackupCall, AddAsEventError) :- |
| 413 | | catch_enumeration_warning_exceptions_and_wd_failures(Call,BackupCall,AddAsEventError,fail,unknown). |
| 414 | | catch_enumeration_warning_exceptions(Call, BackupCall, AddAsEventError,Source) :- |
| 415 | | catch_enumeration_warning_exceptions_and_wd_failures(Call,BackupCall,AddAsEventError,fail,Source). |
| 416 | | |
| 417 | | % can be used to check if an exception is an enumeration warning |
| 418 | | is_enumeration_warning_exception(enumeration_warning(_Enumerating,_Type,_Range,_RestrRange,_Critical)). |
| 419 | | |
| 420 | | % removed usage of call_cleanup; can cause huge runtime in debug_mode, cf SPRM-21383 but also e.g. for ProPlanGross.mch |
| 421 | | % but simple_call_cleanup requires that C does not backtrack and CleanupCall called in case of exception |
| 422 | | % does not catch timeouts, relevant for test 2355; messages also printed for test 2255 |
| 423 | | % but using call_cleanup in SICStus 4.9 for PlanProGross.mch results in timeout after several minutes in setup constants |
| 424 | | % (see test 2427) |
| 425 | | :- meta_predicate simple_call_cleanup(0,0). |
| 426 | ? | simple_call_cleanup(C,CleanupCall) :- if(C,CleanupCall, (CleanupCall,fail)). |
| 427 | | %simple_call_cleanup(C,CleanupCall) :- call_cleanup(C,CleanupCall). |
| 428 | | |
| 429 | | % AddAsEventError = true means that caught exceptions are added as event_errors in scope |
| 430 | | % (this can be important if we later want to decide whether an enumeration warning occured) |
| 431 | | % WDCall: this gets called when a well_definedness_error is raised by the Call |
| 432 | | % assumes Call does not backtrack to use simple_call_cleanup |
| 433 | | catch_enumeration_warning_exceptions_and_wd_failures(Call, BackupCall,AddAsEventError,WDCall,Source) :- |
| 434 | | enter_new_error_scope(Level,catch_enumeration_warning_exceptions), |
| 435 | | % print(enter(Level)),nl, |
| 436 | | % difference: we do not force to throw_errors_in_scope |
| 437 | | (Source = ignore(_) -> silent_enum_warnings_in_scope(Level,critical) ; true), |
| 438 | ? | catch( |
| 439 | | simple_call_cleanup(if(Call,true,catch_wd(Level,WDCall,Source)), |
| 440 | | (%print(exit(Level)),nl, |
| 441 | | exit_error_scope(Level,_,catch_enumeration_warning_exceptions))), |
| 442 | | % call_cleanup can be tricky in case of success of Call: the error scope may not be exited immediately; TO DO: maybe rewrite using same style as above (using if + catch) |
| 443 | | enumeration_warning(A,B,C,D,E), |
| 444 | | (exit_error_scope(Level,_,catch_enumeration_warning_exceptions), % added due to simple_call_cleanup |
| 445 | | (AddAsEventError=false |
| 446 | | -> (Source=ignore(Src) |
| 447 | | -> debug_format(19,'%%% Ignoring unbounded enumeration warning (source:~w).~n',[Src]) |
| 448 | | ; true) |
| 449 | | % inform that enum warning was not serious: there is a fall-back solution |
| 450 | | ; assert_event_in_error_scope_without_throw(enumeration_warning(A,B,C,D,E))), |
| 451 | | BackupCall) |
| 452 | | ). % catch |
| 453 | | |
| 454 | | catch_wd(Level,WDCall,Source) :- |
| 455 | | WDCall \= fail, |
| 456 | | % print(check_wd(Level,Source)),nl, portray_events_in_error_scope,nl, |
| 457 | | specific_event_occurred_at_level(Level,well_definedness_error),!, |
| 458 | | formatsilentmsg(user_output,'%%% well_definedness_error (source:~w).~n',[Source]), |
| 459 | | call(WDCall). |
| 460 | | catch_wd(_,_,_) :- fail. |
| 461 | | |
| 462 | | |
| 463 | | % execute some code when enumeration warning occurs; and then throw exception again |
| 464 | | observe_enumeration_warnings(Call,ObserverCallToExecute) :- |
| 465 | | catch(Call, enumeration_warning(A,B,C,D,E), |
| 466 | | call_cleanup(ObserverCallToExecute, throw(enumeration_warning(A,B,C,D,E)))). |
| 467 | | |
| 468 | | |
| 469 | | % sets up a new error scope and forces enumeration_warnings to be thrown |
| 470 | | % the exceptions are not caught ! |
| 471 | | call_with_enumeration_warning(Call) :- |
| 472 | | enter_new_error_scope(Level,call_with_enumeration_warning), |
| 473 | | throw_enumeration_warnings_in_scope(Level,_,unknown), |
| 474 | | call_cleanup( |
| 475 | | (Call, % the assumption is that Call will only have one solution |
| 476 | | exit_error_scope(Level,_,call_with_enumeration_warning_true)), |
| 477 | | exit_error_scope_if_necessary(Level,call_with_enumeration_warning_timeout) % failure, TIMEOUT or Exception |
| 478 | | ). |
| 479 | | |
| 480 | | |
| 481 | | % a version of time_out which treats enumeration_warnings like time-outs |
| 482 | | % and also checks enumeration_warnings in case of failure |
| 483 | | % assumes we only look for one solution (otherwise error scope cleanup has to be changed !! ) |
| 484 | | time_out_with_enum_warning_one_solution(Call,TO,TimeOutRes,ClearEnumWarnings) :- |
| 485 | | enter_new_error_scope(Level,time_out_with_enum_warning_one_solution), |
| 486 | | call_cleanup( |
| 487 | | catch( |
| 488 | | time_out_check_enum_warning_for_failure(Call,TO,TimeOutRes,ClearEnumWarnings,perform_cut), |
| 489 | | enumeration_warning(A,B,C,D,E), |
| 490 | | % no need to clear: we leave error_scope below |
| 491 | | TimeOutRes=virtual_time_out(thrown_enumeration_warning(A,B,C,D,E))), |
| 492 | | exit_error_scope(Level,_,time_out_with_enum_warning_one_solution)). |
| 493 | | |
| 494 | | % here enumeration warnings are not cleared and propagated to outer error scope |
| 495 | | time_out_with_enum_warning_one_solution(Call,TO,TimeOutRes) :- |
| 496 | | time_out_with_enum_warning_one_solution(Call,TO,TimeOutRes,no_clear). |
| 497 | | |
| 498 | | |
| 499 | | enumeration_warning_occured_in_error_scope :- |
| 500 | | event_occurred_in_error_scope(enumeration_warning(_,_,_,_,_)). |
| 501 | | |
| 502 | | abort_error_occured_in_error_scope :- |
| 503 | | event_occurred_in_error_scope(abort_error(_)). % is this still being generated?? |
| 504 | | abort_error_occured_in_error_scope :- |
| 505 | | event_occurred_in_error_scope(well_definedness_error). |
| 506 | | |
| 507 | | |
| 508 | | % just like above; but does not set up new error_scope (for performance) and clears enumeration warnings in case of failure and success |
| 509 | | time_out_with_enum_warning_one_solution_no_new_error_scope(Call,TO,TimeOutRes) :- |
| 510 | | (enumeration_warning_occured_in_error_scope |
| 511 | | -> %trace, |
| 512 | | format('Events in error block:~n',[]),portray_events_in_error_scope, |
| 513 | | add_internal_error('Error block already has enumeration warnings',time_out_with_enum_warning_one_solution_no_new_error_scope(Call,TO,TimeOutRes)) |
| 514 | | ; true), |
| 515 | | % Note: will call safe_time_out which will not call time_out when time_out_preference_disabled / disable_time_out |
| 516 | | catch( |
| 517 | | time_out_check_enum_warning_for_failure(Call,TO,TimeOutRes,clear_errors,perform_cut), % clear errors so we can continue using same error scope |
| 518 | | enumeration_warning(A,B,C,D,E), |
| 519 | | %% (print(enum_warning),nl,TimeOutRes=time_out)). %% |
| 520 | | TimeOutRes=virtual_time_out(thrown_enumeration_warning(A,B,C,D,E))). |
| 521 | | |
| 522 | | |
| 523 | | % check if a result is a time_out: |
| 524 | | is_time_out_result(time_out). |
| 525 | | is_time_out_result(virtual_time_out(_)). |
| 526 | | |
| 527 | | % a version which is to be used not for a single call but for backtracking |
| 528 | | % generate virtual time_out at the end if enumeration warning occured |
| 529 | | |
| 530 | | time_out_with_enum_warning_for_findall(Call,TO,TimeOutRes) :- |
| 531 | | enter_new_error_scope(Level,time_out_with_enum_warning_for_findall), |
| 532 | | time_out_with_enum_warning_for_findall2(Level,Call,TO,TimeOutRes). |
| 533 | | |
| 534 | | time_out_with_enum_warning_for_findall2(_Level,Call,TO,TimeOutRes) :- %print(enter(_Level)),nl, |
| 535 | | catch( |
| 536 | | time_out_check_enum_warning_for_failure(Call,TO,TimeOutRes,no_clear,no_cut), |
| 537 | | Exc, |
| 538 | | get_virtual_time_out_from_exception(Exc,TimeOutRes)). % virtual time_out |
| 539 | | time_out_with_enum_warning_for_findall2(Level,_Call,_TO,_TimeOutRes) :- % print(exit(Level)),nl, |
| 540 | | clear_events_in_error_scope(Level,enumeration_warning(_,_,_,_,_)), |
| 541 | | exit_error_scope(Level,_,time_out_with_enum_warning_for_findall2),fail. |
| 542 | | |
| 543 | | % a version of time_out_with_enum_warning_for_findall where you manually have to enter_new_error_scope before |
| 544 | | % and exit_error_scope afterwards; useful if you repeatedly call this predicate and want to set up the block only once |
| 545 | | time_out_with_enum_warning_for_findall_in_current_error_scope(_Level,Call,TO,TimeOutRes) :- %print(enter(_Level)),nl, |
| 546 | ? | catch( |
| 547 | | time_out_check_enum_warning_for_failure(Call,TO,TimeOutRes,no_clear,no_cut), |
| 548 | | Exc, |
| 549 | | get_virtual_time_out_from_exception(Exc,TimeOutRes)). % virtual time_out |
| 550 | | time_out_with_enum_warning_for_findall_in_current_error_scope(Level,_Call,_TO,_TimeOutRes) :- |
| 551 | | % does not exit level |
| 552 | | clear_events_in_error_scope(Level,enumeration_warning(_,_,_,_,_)),fail. |
| 553 | | |
| 554 | | % ------------ |
| 555 | | |
| 556 | | % see if an exception corresponds to a virtual_timeout in the form of an enumeration warning |
| 557 | | % also treats a CLPFD overflow as a virtual time-out in the sense that computation was aborted |
| 558 | | get_virtual_time_out_from_exception(enumeration_warning(Cause,_,_,_,_),TimeOutRes) :- !, |
| 559 | | get_virtual_time_out_res(Cause,TimeOutRes). |
| 560 | | get_virtual_time_out_from_exception(error(_ErrMsg,ErrTerm),TimeOutRes) :- |
| 561 | | is_clpfd_overflow_representation_error(ErrTerm,Cause),!, |
| 562 | | clpfd_overflow_msg(Msg), |
| 563 | | add_warning(clpfd_overflow,Msg), |
| 564 | | TimeOutRes = virtual_time_out(Cause). |
| 565 | | get_virtual_time_out_from_exception(Exc,_) :- % not detected as virtual time-out: throw again |
| 566 | | throw(Exc). |
| 567 | | |
| 568 | | get_virtual_time_out_res(kodkod_timeout,Res) :- !, Res= virtual_time_out(kodkod_timeout). |
| 569 | | get_virtual_time_out_res(_,virtual_time_out(exception)). |
| 570 | | |
| 571 | | |
| 572 | | is_clpfd_overflow_representation_error(representation_error(_Constraint,_,CauseMsg),CauseMsg) :- |
| 573 | | is_clpfd_overflow_representation_error_msg(CauseMsg). |
| 574 | | is_clpfd_overflow_representation_error(domain_error(list_to_fdset(_FDLIST,_),_,_,_List),CauseMsg) :- |
| 575 | | CauseMsg = 'CLPFD integer overflow'. |
| 576 | | is_clpfd_overflow_representation_error_msg('CLPFD integer overflow'). |
| 577 | | is_clpfd_overflow_representation_error_msg('max_clpfd_integer'). |
| 578 | | is_clpfd_overflow_representation_error_msg('min_clpfd_integer'). |
| 579 | | |
| 580 | | clpfd_overflow_msg(M) :- clpfd_interface:is_64_bit_system, !, |
| 581 | | (get_preference(use_clpfd_solver,true) |
| 582 | | -> M = 'A CLPFD integer overflow occurred.\nSet CLPFD preference to FALSE (Animation Preferences).' |
| 583 | | ; M = 'A CLPFD integer overflow occurred (despite CLPFD preference being FALSE).' % should normally not happen |
| 584 | | ). |
| 585 | | clpfd_overflow_msg('A CLPFD integer overflow occurred.\nSet CLPFD preference to FALSE (Animation Preferences) or use a 64 bit version of ProB.'). |
| 586 | | |
| 587 | | % ----------------- |
| 588 | | |
| 589 | | :- use_module(tools_meta,[safe_time_out/3]). |
| 590 | | % a version of time_out which upon failure checks if enumeration warnings were generated |
| 591 | | time_out_check_enum_warning_for_failure(Call,TO,TimeOutRes,ClearErrors,CutAfterFirstSol) :- |
| 592 | | safe_time_out(Call,TO,TimeOutRes), % a safe version which checks that time-out value TO is not too large |
| 593 | | %call(Call), TimeOutRes=ok, |
| 594 | | (TimeOutRes = time_out -> ! %, print(real_timeout),nl |
| 595 | | ; (ClearErrors=clear_errors -> clear_enumeration_warnings |
| 596 | | ; true), % no_clear |
| 597 | | (CutAfterFirstSol=perform_cut -> ! |
| 598 | | ; true) % no_cut |
| 599 | | %,print(sol),nl |
| 600 | | ). |
| 601 | | time_out_check_enum_warning_for_failure(_Call,_TO,TimeOutRes,ClearErrors,_) :- % print(failure),nl, |
| 602 | ? | virtual_time_out_occured_in_error_scope(TimeOutRes), |
| 603 | | (ClearErrors=clear_errors -> clear_enumeration_warnings ; true). |
| 604 | | |
| 605 | | virtual_time_out_occured_in_error_scope(TimeOutRes) :- |
| 606 | ? | event_occurred_in_error_scope(enumeration_warning(A,B,C,D,critical)), % print(virtual),nl, |
| 607 | | TimeOutRes = virtual_time_out(failure_enumeration_warning(A,B,C,D,critical)). % we have not investigated all possibilities; generate virtual time_out |
| 608 | | |
| 609 | | critical_enumeration_warning_occured_in_error_scope :- |
| 610 | | critical_enumeration_warning_occured_in_error_scope(_,_,_,_). |
| 611 | | critical_enumeration_warning_occured_in_error_scope(A,B,C,D) :- |
| 612 | | event_occurred_in_error_scope(enumeration_warning(A,B,C,D,critical)). |
| 613 | | |
| 614 | | clear_enumeration_warnings :- |
| 615 | | clear_events_in_current_error_scope(enumeration_warning(_,_,_,_,_)). |
| 616 | | |
| 617 | | % retract events and raise real warnings |
| 618 | | % Src and Msg used if these are not enumeration warnings |
| 619 | | translate_events_in_current_scope_to_warnings(Src,Msg) :- |
| 620 | | get_counter(cur_block_level,L), |
| 621 | | retract(specific_event_occurred_at_level(L,Event)), |
| 622 | | (translate_enumeration_warning(Event,EMsg,Span) |
| 623 | | -> add_warning(enumeration_warning,EMsg,'',Span) |
| 624 | | ; add_warning(Src,Msg,Event)), |
| 625 | | fail. |
| 626 | | translate_events_in_current_scope_to_warnings(_,_). |
| 627 | | |
| 628 | | % see also: print_enum_warning |
| 629 | | translate_enumeration_warning(enumeration_warning(Enumerating,Type,Range,RestrictedRange,_Throwing), Msg,Span) :- |
| 630 | | translate_enumeration_info(Enumerating,Info,Span), |
| 631 | | ajoin(['Unbounded enumeration of ',Info,':',Type,', narrowing range: ',Range,' ---> ',RestrictedRange],Msg). |
| 632 | | % Throwing=throwing -> print_pending_abort_info ? |
| 633 | | |
| 634 | | translate_enumeration_info(enumerating(Info),Res,Span) :- !, translate_enumeration_info(Info,Res,Span). % TO DO: call get_trigger_info |
| 635 | | translate_enumeration_info(b(identifier(Id),_,Info),Res,Span) :- !, Res=Id,Span=Info. |
| 636 | | translate_enumeration_info(I,I,I). |
| 637 | | |
| 638 | | % show all events in current error scope |
| 639 | | portray_events_in_error_scope :- event_occurred_in_error_scope(E), |
| 640 | | portray_event(E),fail. |
| 641 | | portray_events_in_error_scope. |
| 642 | | |
| 643 | | portray_event(enumeration_warning(Source,Type,Range,RestrictedRange,Critical)) :- |
| 644 | | translate_enumeration_info(Source,Res,_Span), !, |
| 645 | | format(' *** Enumeration Warning (~w): Source ~w, Type: ~w, Range reduction: ~w ---> ~w~n', |
| 646 | | [Critical, Res, Type, Range, RestrictedRange]). |
| 647 | | portray_event(E) :- format(' *** ~w~n',[E]). |
| 648 | | |
| 649 | | % translate an event error to a short human readable form: |
| 650 | | translate_error_event(Error,TransError) :- |
| 651 | | (translate_enumeration_warning(Error,Msg,_) |
| 652 | | -> TransError=Msg |
| 653 | | ; TransError=Error). % TODO: translate other errors |
| 654 | | |
| 655 | | % ----------------------- |
| 656 | | |
| 657 | | :- volatile logged_error_hash/5, real_error_occurred/0, logged_error_spans/2, saved_subsidiary_span_pos/4. |
| 658 | | :- dynamic logged_error_hash/5. |
| 659 | | :- dynamic logged_message/4. |
| 660 | | :- dynamic real_error_occurred/0, warning_occurred/0. |
| 661 | | :- dynamic logged_error_spans/2. |
| 662 | | :- dynamic saved_subsidiary_span_pos/4. % for Tcl/Tk |
| 663 | | |
| 664 | | |
| 665 | | reset_real_error_occurred :- |
| 666 | | (retract(real_error_occurred) -> true ; true), |
| 667 | | (retract(warning_occurred) -> true ; true). |
| 668 | | |
| 669 | | reset_errors :- |
| 670 | | (reset_errors_but_not_scopes -> true |
| 671 | | ; format(user_error,'~n*** reset_errors_but_not_scopes failed!!~n',[]), |
| 672 | | fail % something really bad happened |
| 673 | | ), |
| 674 | | reset_error_limit_reached, |
| 675 | | reset_error_scopes. % call if you want to start again at a fresh top-level, without error scopes |
| 676 | | reset_errors_but_not_scopes :- |
| 677 | | reset_real_error_occurred, |
| 678 | | retractall(logged_error_hash(_,_,_,_,_)), |
| 679 | | retractall(logged_message(_,_,_,_)), |
| 680 | | reset_error_spans, |
| 681 | | clear_error_context. |
| 682 | | |
| 683 | | reset_error_span_if_required :- |
| 684 | | (logged_error_hash(_,_,_,_,_) -> true |
| 685 | | ; retractall(logged_error_spans(_,_))). |
| 686 | | |
| 687 | | reset_error_spans :- |
| 688 | | retractall(logged_error_spans(_,_)), |
| 689 | | retractall(saved_subsidiary_span_pos(_,_,_,_)). |
| 690 | | |
| 691 | | wd_error_occured :- |
| 692 | | test_error_occurred(well_definedness_error). |
| 693 | | |
| 694 | | clear_wd_errors :- |
| 695 | | clear_errors_with_source(well_definedness_error). |
| 696 | | clear_errors_with_source(Source) :- |
| 697 | | retractall(logged_error_spans(Source,_)), |
| 698 | | retractall(logged_error_hash(_,Source,_S1,_TContext1,_Span1)), |
| 699 | | retractall(logged_message(Source,_,_,_)), |
| 700 | | (logged_error_hash(_,_Source2,_S2,_TContext2,_Span2) -> true |
| 701 | | ; reset_real_error_occurred). |
| 702 | | |
| 703 | | print_error_span(Span) :- print_error_span(Span,error). |
| 704 | | print_error_span(unknown,_) :- !. |
| 705 | | print_error_span(none,_) :- !. % from Rodin |
| 706 | | print_error_span([],_) :- !. % empty info list |
| 707 | | print_error_span(Span,Kind) :- |
| 708 | | extract_span_description(Span,PosMsg), !, % also detects info lists |
| 709 | | print_error(Kind,PosMsg). |
| 710 | | print_error_span(b(E,T,I),Kind) :- |
| 711 | | translate_bexpr(b(E,T,I),S),!, |
| 712 | | print_error(Kind,S). |
| 713 | | print_error_span(span_predicate(P,_,_),Kind) :- translate_bexpr(P,S),!, |
| 714 | | % can happen in Event-B when no position info can be extracted |
| 715 | | print_error(Kind,S). |
| 716 | | print_error_span(List,Kind) :- List = [_|_], % info list which was not recognised; probably Event-B mode |
| 717 | | debug_mode(off), |
| 718 | | !, |
| 719 | | include(useful_info,List,UsefulList), % only show useful infos |
| 720 | | (UsefulList = [] -> true |
| 721 | | ; print_error(Kind,UsefulList)). |
| 722 | | print_error_span(Span,Kind) :- print_error(Kind,Span). % span not recognized ! |
| 723 | | |
| 724 | | useful_info(section(_)). |
| 725 | | useful_info(used_ids(_)). |
| 726 | | |
| 727 | | |
| 728 | | translate_bexpr(P,S) :- |
| 729 | | (debug_mode(on) -> Lim=3000 ; Lim=1000), |
| 730 | | translate:translate_subst_or_bexpr_with_limit(P,Lim,S). |
| 731 | | |
| 732 | | % the same, but not using user_error and red and only printing when span recognised |
| 733 | | % more detailed than translate:print_span |
| 734 | | print_message_span(unknown) :- !. |
| 735 | | print_message_span(Span) :- |
| 736 | | extract_span_description(Span,PosMsg), !, print(PosMsg). |
| 737 | | print_message_span(_). % span not recognized ! |
| 738 | | |
| 739 | | % try and extract a string (aka atom) describing the position |
| 740 | | extract_span_description(Span,PosMsg) :- extract_span_description_with_opts(Span,PosMsg,[]). |
| 741 | | |
| 742 | | extract_span_description_with_opts(span_predicate(P,_,_),PosMsg,Opts) :- !, |
| 743 | | extract_span_description_with_opts(P,PosMsg,Opts). |
| 744 | | extract_span_description_with_opts(b(E,_,I),PosMsg,Opts) :- !, |
| 745 | | (extract_span_description_with_opts(I,PosMsg,Opts) -> true |
| 746 | | ; first_sub_expr(E,A) -> extract_span_description_with_opts(A,PosMsg,Opts)). |
| 747 | | extract_span_description_with_opts(Span,PosMsg,Opts) :- |
| 748 | | extract_line_col(Span,StartLine,StartCol,EndLine,EndCol),!, |
| 749 | | (member(compact_pos_info,Opts) -> Compact=true ; Compact=false), |
| 750 | | (empty_line_col(StartLine,StartCol,EndLine,EndCol) |
| 751 | | -> POS = ['Unknown position'|POS2] |
| 752 | | ; Compact=true |
| 753 | | -> POS = ['(Line:',StartLine,',Col:',StartCol|POS2] |
| 754 | | ; POS = ['Line: ',StartLine,' Column: ',StartCol, |
| 755 | | ' until Line: ',EndLine,' Column: ',EndCol|POS2] |
| 756 | | ), |
| 757 | | (extract_file_name_with_opts(Span,Filename,Opts) |
| 758 | | -> (Compact=false -> POS2 = [' in file: ',Filename|POS3] ; POS2 = [',File:',Filename,')'|POS3]) |
| 759 | | ; (Compact=false -> POS2 = POS3 ; POS2 = [')'|POS3]) |
| 760 | | ), |
| 761 | | (extract_additional_pos_and_descr(Span,_,ContextMsg,Opts) |
| 762 | | -> (member(inner_context_separator(WITHIN,_),Opts) -> true ; WITHIN = ' within '), |
| 763 | | POS3 = [WITHIN,ContextMsg] ; POS3=[]), |
| 764 | | ajoin(POS,PosMsg). |
| 765 | | extract_span_description_with_opts(Span,PosMsg,_Opts) :- |
| 766 | | extract_symbolic_span_desc(Span,Symbolic),!, |
| 767 | | PosMsg=Symbolic. |
| 768 | | extract_span_description_with_opts(Span,PosMsg,Opts) :- |
| 769 | | % try if we have an unknown position with a known context (e.g., pos_context(unknown,call_stack(...)) |
| 770 | | extract_additional_pos_and_descr(Span,_,ContextMsg,Opts),!, |
| 771 | | %POS = ['Unknown position within ',ContextMsg], |
| 772 | | POS = ['Within ',ContextMsg], |
| 773 | | ajoin(POS,PosMsg). |
| 774 | | % Note: Atom Plugin is quite sensitive to above error message and capitalization |
| 775 | | % (https://github.com/wysiib/language-b-eventb) |
| 776 | | |
| 777 | | extract_symbolic_span_desc(Span,PosMsg) :- |
| 778 | | extract_symbolic_label_pos(Span,Symbolic),!, |
| 779 | | % TO DO: we could try and find section for Rodin |
| 780 | | ajoin(['@label: ',Symbolic],PosMsg). |
| 781 | | |
| 782 | | |
| 783 | | % detect if a position is empty; Line 0, Column -1 .. Line 0, Column -2 used for non available Library Definition files |
| 784 | | % happens, e.g., when typing CHOOSE({1}\{1}) in REPL |
| 785 | | empty_line_col(0,N1,0,N2) :- integer(N1), integer(N2), N1>N2. |
| 786 | | |
| 787 | | assert_true(Code) :- |
| 788 | | (call(Code) -> true ; add_internal_error('Assertion failed: ',Code)). |
| 789 | | |
| 790 | | add_error_fail(Source,ErrMsg, ErrTerm) :- add_error_and_fail(Source,ErrMsg, ErrTerm). |
| 791 | | add_error_and_fail(Source,ErrMsg, ErrTerm) :- add_error(Source,ErrMsg, ErrTerm),fail. |
| 792 | | add_error_and_fail(Source,ErrMsg) :- add_error(Source,ErrMsg),fail. |
| 793 | | |
| 794 | | % add_error/2, add_error/3 and add_error/4 |
| 795 | | add_error(Source,ErrMsg) :- add_error4(Source,ErrMsg, '',unknown). |
| 796 | | add_error(Source,ErrMsg, ErrTerm) :- add_error4(Source,ErrMsg, ErrTerm,unknown). |
| 797 | | add_error(Source,ErrMsg,ErrTerm,Span) :- add_error4(Source,ErrMsg,ErrTerm,Span). |
| 798 | | |
| 799 | | add_error4(Source,ErrMsg,ErrTerm,Span) :- |
| 800 | | assert_real_error_occurred(Source), |
| 801 | | combine_msg_and_error_term(ErrMsg,ErrTerm,Span,S), |
| 802 | | add_error_or_warning(Source,S,Span). |
| 803 | | |
| 804 | | %:- use_module(translate, [translate_error_term/2, translate_context/2]). |
| 805 | | combine_msg_and_error_term(Msg,ErrTerm,_,Res) :- ErrTerm=='', !, Res=Msg. |
| 806 | | combine_msg_and_error_term(ErrMsg,ErrTerm,Span,S) :- |
| 807 | | string_concatenate(ErrMsg,' ',ST), |
| 808 | | safe_translate_error_term(ErrTerm,Span,RString), |
| 809 | | string_concatenate(ST,RString,S). |
| 810 | | |
| 811 | | |
| 812 | | :- dynamic show_error_source/0. |
| 813 | | show_error_source. % True if error source and span to be printed |
| 814 | | turn_show_error_source_on :- (show_error_source -> true ; assertz(show_error_source)). |
| 815 | | turn_show_error_source_off :- retractall(show_error_source). |
| 816 | | |
| 817 | | trace_if_user_wants_it :- (preferences:get_preference(trace_upon_error,true) -> safe_trace ; true). |
| 818 | | |
| 819 | | % try Prolog's trace; if this fails (compiled code), then ask user for input. |
| 820 | | safe_trace :- translate:install_b_portray_hook, |
| 821 | | catch(trace, error(existence_error(_,_),_), type_to_continue). |
| 822 | | |
| 823 | | :- dynamic do_not_interrupt_user_anymore/0. |
| 824 | | |
| 825 | | type_to_continue :- do_not_interrupt_user_anymore,!. |
| 826 | | type_to_continue :- format(user_output,'(type <RETURN> to continue, z<RETURN> to zip) ===> ',[]), |
| 827 | | read_line(user_input,X), |
| 828 | | (zip(X) -> assertz(do_not_interrupt_user_anymore) ; true). |
| 829 | | |
| 830 | | zip([122|_]). %starts with z |
| 831 | | |
| 832 | | |
| 833 | | print_error_source(well_definedness_error) :- !,print_error('A well-definedness error occured !'). |
| 834 | | print_error_source(warning(Source)) :- show_error_source,!, |
| 835 | | format_error_with_nl('~n! A warning occurred (source: ~w) !',[Source]). |
| 836 | | print_error_source(internal_error(Source)) :- show_error_source,!, |
| 837 | | flush_output, % internal error should not happen; be sure to flush all other pending outputs so that we can see where it happened |
| 838 | | format_error_with_nl('~n! An internal error occurred (source: ~w) !',[Source]). |
| 839 | | print_error_source(Source) :- show_error_source,!, |
| 840 | | format_error_with_nl('~n! An error occurred (source: ~w) !',[Source]). |
| 841 | | print_error_source(_). |
| 842 | | |
| 843 | | print_error_context(Kind,Context) :- ((Context = '' ; \+show_error_source) -> true ; print_error(Kind,Context)). |
| 844 | | |
| 845 | | print_error(message,Term) :- !, print_message_on_stream(user_output,[blue],Term). |
| 846 | | print_error(_,Term) :- print_error(Term). |
| 847 | | |
| 848 | | safe_translate_error_term(ErrTerm,Span,RString) :- |
| 849 | | temporary_set_preference(expand_avl_upto,5,CHNG), |
| 850 | | translate:translate_error_term(ErrTerm,Span,RString), |
| 851 | | reset_temporary_preference(expand_avl_upto,CHNG). |
| 852 | | |
| 853 | | safe_translate_context(Result) :- |
| 854 | | % avoid infinite loop when error occurs inside translate_context |
| 855 | | current_context(Context), |
| 856 | | !, |
| 857 | | call_cleanup( |
| 858 | | (temporary_set_preference(expand_avl_upto,4,CHNG), |
| 859 | | set_error_context(translate_context), |
| 860 | | (translate:translate_context(Context,TContext) -> true ; TContext=Context) |
| 861 | | ), |
| 862 | | (reset_temporary_preference(expand_avl_upto,CHNG), |
| 863 | | restore_error_context(Context))), |
| 864 | | Result=TContext. |
| 865 | | safe_translate_context(''). % no context |
| 866 | | |
| 867 | | is_optional_error_or_warning(warning(Src)) :- !, optional_error_or_warning(Src). |
| 868 | | is_optional_error_or_warning(Src) :- optional_error_or_warning(Src). |
| 869 | | |
| 870 | | do_not_print_error(well_definedness_error) :- |
| 871 | | preferences:preference(do_not_print_wd_errors,true). |
| 872 | | |
| 873 | | add_error_or_warning(Source,ErrMsg,Span) :- |
| 874 | | safe_translate_context(Context), |
| 875 | | reset_error_span_if_required, |
| 876 | | simplify_span(Span,SSpan), % for better hashing, assertz, retract |
| 877 | | assertz_logged_error_if_new(Source,ErrMsg,Context,SSpan,New), |
| 878 | | log_error_or_msg(Source,ErrMsg,SSpan), |
| 879 | | (New=false -> true |
| 880 | | ; is_optional_error_or_warning(Source) -> |
| 881 | | (extract_span_description(SSpan,PosMsg) -> true ; PosMsg=''), |
| 882 | | formatsilentmsg(user_output,'% Optional error ~w occured: ~w ~w~n',[Source,ErrMsg,PosMsg]), |
| 883 | | register_error_span(Source,SSpan,_) |
| 884 | | ; register_error_span(Source,SSpan,NewSrcSpan), |
| 885 | | ( do_not_print_error(Source) -> true |
| 886 | | ; NewSrcSpan=false, |
| 887 | | error_limit_reached, |
| 888 | | Source \= internal_error(_) % always show internal errors |
| 889 | | -> true % this is not a new Source,SSpan combination and we have already several errors; |
| 890 | | ; print_error_source(Source), |
| 891 | | print_error(ErrMsg), |
| 892 | | print_error_context(error,Context), |
| 893 | | print_error_span(SSpan) |
| 894 | | ), |
| 895 | | trace_if_user_wants_it |
| 896 | | ). |
| 897 | | |
| 898 | | % optionally log errors in to a ndsjon logfile |
| 899 | | log_error_or_msg(Source,ErrMsg,Span) :- get_preference(error_log_file,LogFile), |
| 900 | | LogFile \= '', |
| 901 | | decompose_error_source(Source,Type,Src), |
| 902 | | !, |
| 903 | | ndjson_log(Type,Src,ErrMsg,Span,LogFile). |
| 904 | | log_error_or_msg(_,_,_). |
| 905 | | |
| 906 | | % log error, warning or message to NDJSON log file |
| 907 | | % Type is warning, error, info |
| 908 | | :- use_module(tools_io,[intelligent_open/4]). |
| 909 | | ndjson_log(Type,Src,ErrMsg,Span,LogFile) :- |
| 910 | | force_extract_position_from_span(Span,Filename,StartLine,StartCol,EndLine,EndCol), |
| 911 | | catch(intelligent_open(LogFile,append,S,[encoding(utf8)]), E, |
| 912 | | (format(user_error,'~n*** Cannot open error log file: ~w~n*** Exception: ~w~n',[LogFile,E]),fail)), |
| 913 | | !, |
| 914 | | ndjson_write(S,Type,ErrMsg,Src,Filename,StartLine,StartCol,EndLine,EndCol), |
| 915 | | (extract_additional_pos_and_descr(Span,SubPos,_Desc,[]), |
| 916 | | extract_position_from_span(SubPos,Filename2,StartLine2,StartCol2,EndLine2,EndCol2), |
| 917 | | ndjson_write(S,Type,ErrMsg,Src,Filename2,StartLine2,StartCol2,EndLine2,EndCol2), |
| 918 | | fail |
| 919 | | ; |
| 920 | | true |
| 921 | | ), |
| 922 | | close(S). |
| 923 | | ndjson_log(_,_,_,_,_). |
| 924 | | |
| 925 | | % assign position to main file if we cannot extract the precise position |
| 926 | | force_extract_position_from_span(Span,Filename,StartLine,StartCol,EndLine,EndCol) :- |
| 927 | | extract_position_from_span(Span,Filename,StartLine,StartCol,EndLine,EndCol),!. |
| 928 | | force_extract_position_from_span(_Span,Filename,StartLine,StartCol,EndLine,EndCol) :- |
| 929 | | bmachine:b_get_main_filenumber(MainFN), |
| 930 | | get_filename(MainFN,Filename),!, |
| 931 | | % generate a virtual position, so that global errors without position are shown in Atom, VSCode,... |
| 932 | | StartLine=1,StartCol=1,EndLine=1,EndCol=1. |
| 933 | | force_extract_position_from_span(_Span,Filename,StartLine,StartCol,EndLine,EndCol) :- |
| 934 | | specfile:currently_opened_file_status(Filename,_), |
| 935 | | StartLine='-1',StartCol='-1',EndLine='-1',EndCol='-1'. |
| 936 | | |
| 937 | | %ndjson format http://ndjson.org |
| 938 | | % one JSON term per line |
| 939 | | :- use_module(extrasrc(json_parser),[json_write_stream/2]). |
| 940 | | ndjson_write(S,Type,ErrMsg,Src,Filename,StartLine,StartCol,EndLine,EndCol) :- |
| 941 | | version:version_str(Version), |
| 942 | | Term = json([type=string(Type), % Type is warning, error, info |
| 943 | | message=string(ErrMsg), |
| 944 | | reason=string(Src), |
| 945 | | file=string(Filename), |
| 946 | | start=json([line=number(StartLine),col=number(StartCol)]), |
| 947 | | end=json([line=number(EndLine),col=number(EndCol)]), |
| 948 | | version=string(Version) |
| 949 | | ]), |
| 950 | | json_write_stream(S,Term), nl(S). |
| 951 | | |
| 952 | | decompose_error_source(warning(Source),warning,Res) :- !, Res=Source. |
| 953 | | decompose_error_source(internal_error(Source),internal_error,Res) :- !, Res=Source. |
| 954 | | decompose_error_source(message(Source),information,Res) :- !, Res=Source. % mainly for NDJSON |
| 955 | | decompose_error_source(Msg,error,Msg). |
| 956 | | |
| 957 | | |
| 958 | | % the total number of errors since start; no way to reset this; useful for validation reports |
| 959 | | % TO DO: maybe use counter extension; but tricky to get dependency and initialisation right |
| 960 | | get_total_number_of_errors(X) :- |
| 961 | | (bb_get(total_number_of_errors,R) -> X=R |
| 962 | | ; X=0). |
| 963 | | |
| 964 | | inc_total_number_of_errors :- |
| 965 | | (bb_get(total_number_of_errors,R) |
| 966 | | -> R1 is R+1, bb_put(total_number_of_errors,R1) |
| 967 | | ; bb_put(total_number_of_errors,1)). |
| 968 | | |
| 969 | | |
| 970 | | total_number_of_errors_at_last_reset(Res) :- |
| 971 | | (bb_get(total_number_of_errors_at_last_reset,R) -> Res=R ; Res=0). |
| 972 | | |
| 973 | | reset_error_limit_reached :- |
| 974 | | bb_put(error_limit_reached_printed,false), |
| 975 | | get_total_number_of_errors(T), |
| 976 | | bb_put(total_number_of_errors_at_last_reset,T). |
| 977 | | |
| 978 | | error_limit_reached :- bb_get(error_limit_reached_printed,true),!. |
| 979 | | error_limit_reached :- get_total_number_of_errors(Nr), Nr >= 100, |
| 980 | | total_number_of_errors_at_last_reset(Last), Delta is Nr-Last, Delta >= 100, |
| 981 | | format_error_with_nl('Error limit reached (total: ~w, delta: ~w); only printing new error source and locations!',[Nr,Delta]), |
| 982 | | bb_put(error_limit_reached_printed,true). |
| 983 | | |
| 984 | | assert_warning_occured :- |
| 985 | | (preferences:get_preference(strict_raise_warnings,true) |
| 986 | | -> assert_real_error_occurred(warning) |
| 987 | | ; warning_occurred -> true |
| 988 | | ; assertz(warning_occurred)). |
| 989 | | assert_real_error_occurred(Source) :- |
| 990 | | (real_error_occurred -> true ; assertz(real_error_occurred)), |
| 991 | | inc_total_number_of_errors, |
| 992 | | assert_real_error_in_current_block(Source). |
| 993 | | |
| 994 | | :- use_module(hashing,[term_depth_hash/3]). |
| 995 | | assertz_logged_error_if_new(Source,S,TContext,Span,New) :- |
| 996 | | % limit depth mainly for TContext/Span; avoiding generating many similar error messages with same msg |
| 997 | | % however, for WD errors often the msg varies (e.g. argument for function application); so this will not prevent a lot of errors |
| 998 | | term_depth_hash(logged_error_hash(Source,S,TContext,Span),4,Hash), |
| 999 | | (logged_error_hash(Hash,Source,S,TContext,Span) |
| 1000 | | -> debug_println(repeated_error(Hash)),New=false |
| 1001 | | ; %print(new(Hash,Source,S,TContext,Span)),nl, |
| 1002 | | assertz(logged_error_hash(Hash,Source,S,TContext,Span)), |
| 1003 | | New=true). |
| 1004 | | |
| 1005 | | logged_error(Source,S,TContext,Span) :- logged_error_hash(_Hash,Source,S,TContext,Span). |
| 1006 | | |
| 1007 | | add_warning(Source,ErrMsg, ErrTerm) :- |
| 1008 | | add_warning(Source,ErrMsg, ErrTerm,unknown). |
| 1009 | | add_warning(Source,ErrMsg, ErrTerm,Span) :- |
| 1010 | | safe_translate_error_term(ErrTerm,Span,RString), |
| 1011 | | string_concatenate(ErrMsg,RString,S), |
| 1012 | | assert_warning_occured, |
| 1013 | | add_error_or_warning(warning(Source),S,Span). |
| 1014 | | add_warning(Source,Message) :- |
| 1015 | | assert_warning_occured, |
| 1016 | | add_error_or_warning(warning(Source),Message,unknown). |
| 1017 | | |
| 1018 | | % MESSAGES |
| 1019 | | |
| 1020 | | % add message in debug mode |
| 1021 | | add_debug_message(Source,ErrMsg, ErrTerm) :- |
| 1022 | | add_debug_message(Source,ErrMsg, ErrTerm,unknown). |
| 1023 | | add_debug_message(Source,ErrMsg, ErrTerm, Span) :- |
| 1024 | | debug_mode(on),!, |
| 1025 | | add_message(Source,ErrMsg, ErrTerm, Span). |
| 1026 | | add_debug_message(_,_,_,_). |
| 1027 | | |
| 1028 | | |
| 1029 | | % a predicate to flexibly call add_error, add_warning or add_message |
| 1030 | | add_msg_warn_or_err(debug_message,Src,Msg,Term,Pos) :- !, add_debug_message(Src,Msg,Term,Pos). |
| 1031 | | add_msg_warn_or_err(message,Src,Msg,Term,Pos) :- !, add_message(Src,Msg,Term,Pos). |
| 1032 | | add_msg_warn_or_err(warning,Src,Msg,Term,Pos) :- !, add_warning(Src,Msg,Term,Pos). |
| 1033 | | add_msg_warn_or_err(_Kind,Src,Msg,Term,Pos) :- add_error(Src,Msg,Term,Pos). |
| 1034 | | |
| 1035 | | add_message(Source,ErrMsg, ErrTerm) :- /* same as add_error but does not add err msg */ |
| 1036 | | add_message(Source,ErrMsg, ErrTerm,unknown). |
| 1037 | | |
| 1038 | | add_message(_,_, _,unknown) :- error_manager_silent_mode(on),!. |
| 1039 | | add_message(Source,ErrMsg, ErrTerm,Span) :- /* same as add_error but does not add err msg */ |
| 1040 | | safe_translate_error_term(ErrTerm,Span,RString), |
| 1041 | | string_concatenate(ErrMsg,RString,S), |
| 1042 | | add_message_direct(Source, S), |
| 1043 | | safe_translate_context(Context), |
| 1044 | | print_error_context(message,Context), |
| 1045 | | print_error_span(Span,message), |
| 1046 | | log_error_or_msg(message(Source),S,Span), |
| 1047 | | assertz(logged_message(Source,S,Context,Span)). |
| 1048 | | |
| 1049 | | add_message(_,_) :- error_manager_silent_mode(on),!. |
| 1050 | | add_message(Source,ErrMsg) :- add_message_direct(Source,ErrMsg). |
| 1051 | | |
| 1052 | | add_message_direct(Source,ErrMsg) :- |
| 1053 | | (show_error_source -> format_with_colour(user_output,[light_gray],'! Message (source: ~w):~n',[Source]) ; true), |
| 1054 | | print_error(message,ErrMsg). |
| 1055 | | |
| 1056 | | |
| 1057 | | % adds a list of errors with position information |
| 1058 | | % [error(Msg,Pos)] or [warning(Msg,Pos)...] |
| 1059 | | no_real_perror_occurred([]). |
| 1060 | | no_real_perror_occurred([warning(_,_)|T]) :- no_real_perror_occurred(T). |
| 1061 | | |
| 1062 | | add_all_perrors(Errors) :- add_all_perrors(Errors,[],bmachine). |
| 1063 | | add_all_perrors(Errors,Files) :- add_all_perrors(Errors,Files,bmachine). |
| 1064 | | add_all_perrors(Errors,Files,Context) :- add_all_perrors(Errors,Files,Context,0,100,error). |
| 1065 | | add_all_perrors(Errors,Files,Context,WarnOrErr) :- |
| 1066 | | add_all_perrors(Errors,Files,Context,0,100,WarnOrErr). |
| 1067 | | |
| 1068 | | add_all_perrors([],_,_,_,_,_). |
| 1069 | | add_all_perrors([H|Rest],_Filenames,ContextOfError,NrOfErrors,MaxErrors,WarnOrErr) :- |
| 1070 | | NrOfErrors >= MaxErrors,!, |
| 1071 | | length([H|Rest],Len), |
| 1072 | | add_msg_warn_or_err(WarnOrErr,ContextOfError, |
| 1073 | | 'Reached maximium number of errors; number of errors not reported: ', |
| 1074 | | Len,unknown). |
| 1075 | | add_all_perrors([Error|Rest],Filenames,ContextOfError,NrOfErrors,MaxErrors,WarnOrErr) :- |
| 1076 | | get_perror(Error,ParseErrOrWarn,Msg,Pos), |
| 1077 | | extract_perror_pos(Pos,Filenames,NewPos), |
| 1078 | | (ParseErrOrWarn == warning -> add_warning(ContextOfError,Msg,'',NewPos) |
| 1079 | | ; ParseErrOrWarn = internal_error -> add_internal_error(ContextOfError,Msg,'',NewPos) |
| 1080 | | ; add_msg_warn_or_err(WarnOrErr,ContextOfError,Msg,'',NewPos)), |
| 1081 | | N1 is NrOfErrors+1, |
| 1082 | | add_all_perrors(Rest,Filenames,ContextOfError,N1,MaxErrors,WarnOrErr). |
| 1083 | | |
| 1084 | | extract_perror_pos(Pos,Filenames,ResPOS) :- |
| 1085 | | get_position_row_cols(Pos,Srow,Scol,Erow,Ecol), |
| 1086 | | get_position_filenumber(Pos,Filenumber),!, |
| 1087 | | ( get_filename(Filenumber,Filenames,Filename) |
| 1088 | | %Ecol1 is Ecol+1, |
| 1089 | | -> ResPOS = src_span(Filenumber,Filename,Srow,Scol,Erow,Ecol,[],[]) |
| 1090 | | % ; Filenumber = -1, Filenames=[FN] -> % just a single filename, e.g., in VisB parsing |
| 1091 | | % % TODO: we need to adjust line and column numbers using a reference position |
| 1092 | | % POS = src_position_with_filename_and_ec(Srow,Scol,Erow,Ecol,FN) |
| 1093 | | ; ResPOS = src_span(Srow,Scol,Erow,Ecol,[],[]) |
| 1094 | | ). |
| 1095 | | extract_perror_pos(pos(Srow,Scol,Filename),Files,POS) :- !, % deprecated ? |
| 1096 | | adapt_null_file_name(Filename,Files,Filename2), |
| 1097 | | S1 is Scol+0, % zero width span |
| 1098 | | POS = src_position_with_filename_and_ec(Srow,Scol,Srow,S1,Filename2). |
| 1099 | | extract_perror_pos(pos(Srow,Scol,Erow,Ecol,Filename),Files,POS) :- !, |
| 1100 | | adapt_null_file_name(Filename,Files,Filename2), |
| 1101 | | %Ecol1 is Ecol+1, |
| 1102 | | POS = src_position_with_filename_and_ec(Srow,Scol,Erow,Ecol,Filename2). |
| 1103 | | extract_perror_pos(pos(Srow,Scol),_,POS) :- !, print(deprecated_pos(Srow,Scol)),nl, |
| 1104 | | POS = src_position(Srow,Scol,none,1). |
| 1105 | | extract_perror_pos(Pos,_,Pos). |
| 1106 | | |
| 1107 | | % adapt filename |
| 1108 | | adapt_null_file_name(null,[File],Res) :- |
| 1109 | | !, % the error is not associated to a given file, but we have a file list with just a single file; |
| 1110 | | % occurs e.g. when parsing VisB JSON files |
| 1111 | | Res=File. |
| 1112 | | adapt_null_file_name(F,_,F). |
| 1113 | | |
| 1114 | | get_perror(error(Msg,Pos),error,Msg,Pos) :- !. |
| 1115 | | get_perror(internal_error(Msg,Pos),internal_error,Msg,Pos) :- !. |
| 1116 | | get_perror(warning(Msg,Pos),warning,Msg,Pos) :- !. |
| 1117 | | get_perror(M,_,M,unknown) :- format(user_error,'*** unknown perror: ~w~n',[M]). |
| 1118 | | |
| 1119 | | % version without list of filenames |
| 1120 | | get_filename(Filenumber,Filename) :- |
| 1121 | | bmachine:b_get_all_used_filenames(FN), |
| 1122 | | get_filename(Filenumber,FN,Filename). |
| 1123 | | |
| 1124 | | get_filename(Filenumber,Filenames,Filename) :- |
| 1125 | | number(Filenumber),!, |
| 1126 | | nth1(Filenumber,Filenames,Filename). |
| 1127 | | get_filename(N,F,R) :- |
| 1128 | | add_internal_error('Cannot get filename: ',get_filename(N,F,R)), |
| 1129 | | N=1,F=[R|_]. % return first file if possible |
| 1130 | | |
| 1131 | | % check if error/warning occured and retract matching error/warning |
| 1132 | | get_error_with_span(Source,ErrMsg,Span) :- |
| 1133 | | retract(logged_error_hash(_Hash,Source,ErrMsg,_Context,Span)). |
| 1134 | | get_error(Source,ErrMsg) :- |
| 1135 | | retract(logged_error_hash(_,Source,ErrMsg,_,_)). |
| 1136 | | get_warning(Source,ErrMsg) :- |
| 1137 | | retract(logged_error_hash(_,warning(Source),ErrMsg,_,_)). |
| 1138 | | |
| 1139 | | % now the same without actually retracting the error/warning: |
| 1140 | | check_error_occured(Source,ErrMsg) :- logged_error(Source,ErrMsg,_,_). |
| 1141 | | check_warning_occured(Source,ErrMsg) :- logged_error(warning(Source),ErrMsg,_,_). |
| 1142 | | |
| 1143 | | get_next_error_or_warning(Msg) :- get_error_or_message(_Src,Type,Msg), |
| 1144 | | Type \= message. % retract message, but do not return it |
| 1145 | | get_error_or_message(Source,Type,Msg) :- |
| 1146 | | retract_logged_error_or_message(Source,Type,ErrMsg,Context,Span), |
| 1147 | | (extract_line_col(Span,StartLine,StartCol,EndLine,EndCol) |
| 1148 | | -> POS = ['\n ### Line: ',StartLine,', Column: ',StartCol|POS1], |
| 1149 | | ((StartLine,StartCol) \= (EndLine,EndCol) |
| 1150 | | -> (StartLine=EndLine -> POS1 = [' until ',EndCol|POS2] |
| 1151 | | ; POS1 = ['\n ### until Line: ',EndLine,', Column: ',EndCol|POS2] |
| 1152 | | ) |
| 1153 | | ; POS1 = POS2 |
| 1154 | | ), |
| 1155 | | (extract_additional_description(Span,CMsg) |
| 1156 | | -> POS2 = ['\n ### within: ',CMsg,'\n\n'] |
| 1157 | | ; POS2 = ['\n\n'] |
| 1158 | | ), |
| 1159 | | (extract_relative_file_name(Span,Filename) |
| 1160 | | -> PosMsg = ['\n ### File: ',Filename | POS] |
| 1161 | | ; PosMsg = POS |
| 1162 | | ), |
| 1163 | | tools:ajoin(PosMsg,EndStr) |
| 1164 | | ; extract_symbolic_span_desc(Span,CMsg) |
| 1165 | | -> tools:ajoin(['\n ### ',CMsg,'\n\n'],EndStr) |
| 1166 | | ; EndStr = '\n\n' |
| 1167 | | ), |
| 1168 | | (empty_error_context(Context) |
| 1169 | | -> string_concatenate(ErrMsg,EndStr,S0) |
| 1170 | | ; safe_translate_error_term(Context,Span,CString), |
| 1171 | | string_concatenate(CString,EndStr,CString2), |
| 1172 | | string_concatenate('\n',CString2,CString3), % prefix used to be ': Context =' |
| 1173 | | string_concatenate(ErrMsg,CString3,S0) |
| 1174 | | ), |
| 1175 | | (debug_mode(off) -> Msg = S0 |
| 1176 | | ; decompose_error_source(Source,_,SrcAtom), |
| 1177 | | string_concatenate(SrcAtom,': ',S1), |
| 1178 | | string_concatenate(S1,S0,Msg) |
| 1179 | | ). |
| 1180 | | |
| 1181 | | empty_error_context(''). |
| 1182 | | empty_error_context('???'). |
| 1183 | | |
| 1184 | | |
| 1185 | | % retract an error |
| 1186 | | retract_logged_error_or_message(Source,Type,ErrMsg,Context,Span) :- Type \== message, |
| 1187 | | retract(logged_error_hash(_Hash,Source,ErrMsg,Context,Span)), |
| 1188 | | (Source = warning(_) -> Type=warning |
| 1189 | | ; Source = internal_error(_) -> Type=internal_error |
| 1190 | | ; Type=error). |
| 1191 | | retract_logged_error_or_message(message(Source),message,ErrMsg,Context,Span) :- |
| 1192 | | retract(logged_message(Source,ErrMsg,Context,Span)). |
| 1193 | | |
| 1194 | | |
| 1195 | | get_error_with_span_info(FullErrMsg,Type,ErrLocations) :- |
| 1196 | | retract_logged_error_or_message(_Source,Type,ErrMsg,Context,Span), |
| 1197 | | (empty_error_context(Context) -> FullErrMsg=ErrMsg |
| 1198 | | ; safe_translate_error_term(Context,Span,CString), |
| 1199 | | ajoin([ErrMsg,'\n',CString],FullErrMsg) |
| 1200 | | ), |
| 1201 | | findall( error_span(Filename,StartLine,StartCol,EndLine,EndCol), |
| 1202 | | extract_position_from_span(Span,Filename,StartLine,StartCol,EndLine,EndCol), |
| 1203 | | ErrLocations). |
| 1204 | | get_error_with_span_and_context(ErrMsg,Type,ErrLocations,GlobalContext,SpanContext) :- |
| 1205 | | % Global context: top-level info about what ProB was doing |
| 1206 | | % Local SpanContext: definition call hierarchy or call stack |
| 1207 | | retract_logged_error_or_message(_Source,Type,ErrMsg,GlobalContext,Span), |
| 1208 | | (extract_additional_description(Span,SpanContext) -> true ; SpanContext=''), |
| 1209 | | findall( error_span(Filename,StartLine,StartCol,EndLine,EndCol), |
| 1210 | | extract_position_from_span(Span,Filename,StartLine,StartCol,EndLine,EndCol), |
| 1211 | | ErrLocations). |
| 1212 | | |
| 1213 | | extract_position_from_span(Span,Filename,StartLine,StartCol,EndLine,EndCol) :- |
| 1214 | | extract_line_col(Span,StartLine,StartCol,EndLine,EndCol), |
| 1215 | | (extract_file_name(Span,FName) -> Filename=FName ; Filename=''). |
| 1216 | | |
| 1217 | | % Tcl/Tk interface of SICStus cannot deal with certain strange Unicode symbols |
| 1218 | | % see prob_examples/public_examples/B/Puzzles/LogicQuestion.mch where code 55349 appears |
| 1219 | | tk_escape(Atom,EAtom) :- atom(Atom),!, |
| 1220 | | atom_codes(Atom,C), |
| 1221 | | maplist(tk_escape_code,C,EC), |
| 1222 | | atom_codes(EAtom,EC). |
| 1223 | | tk_escape(list(L),list(EL)) :- !, maplist(tk_escape,L,EL). |
| 1224 | | tk_escape(X,X). |
| 1225 | | |
| 1226 | | tk_escape_code(StrangeUnicode,Res) :- |
| 1227 | | StrangeUnicode > 55000,!, % not sure what the limit should be here |
| 1228 | | Res = 9633. % white box |
| 1229 | | tk_escape_code(Code,Code). |
| 1230 | | |
| 1231 | | tcltk_get_all_errors(Limit,list(ERes),NrErrorsShown,NrErrors) :- |
| 1232 | | get_all_errors(All), |
| 1233 | | length(All,NrErrors), |
| 1234 | | (NrErrors =< Limit -> Res = All, NrErrorsShown = NrErrors |
| 1235 | | ; prefix_length(All,Res,Limit), % truncate |
| 1236 | | NrErrorsShown = Limit |
| 1237 | | ), |
| 1238 | | tk_escape(list(Res),list(ERes)). |
| 1239 | | |
| 1240 | | |
| 1241 | | get_all_errors(All) :- |
| 1242 | | findall(Err,get_next_error_or_warning(Err),All), |
| 1243 | | All \= [], |
| 1244 | | clear_error_context. |
| 1245 | | |
| 1246 | | get_all_errors_and_clear(All) :- |
| 1247 | | findall(Err,get_next_error_or_warning(Err),All), |
| 1248 | | reset_errors_but_not_scopes, |
| 1249 | | All \= []. |
| 1250 | | get_all_errors_and_reset(All) :- |
| 1251 | | findall(Err,get_next_error_or_warning(Err),All), |
| 1252 | | reset_errors, % fresh top-level |
| 1253 | | All \= []. |
| 1254 | | get_all_errors_with_span_info_and_reset(All) :- |
| 1255 | | findall(error(ErrMsg,ErrType,ErrLocations), |
| 1256 | | get_error_with_span_info(ErrMsg,ErrType,ErrLocations),All), |
| 1257 | | reset_errors. |
| 1258 | | get_all_errors_with_span_and_context_and_reset(All) :- |
| 1259 | | findall(error(ErrMsg,ErrType,ErrLocations,GlobalContext,SpanContext), |
| 1260 | | get_error_with_span_and_context(ErrMsg,ErrType,ErrLocations,GlobalContext,SpanContext),All), |
| 1261 | | reset_errors. |
| 1262 | | |
| 1263 | | |
| 1264 | | error_or_warning_occured :- logged_error(_Source,_,_,_),!. |
| 1265 | | test_error_occurred(Source) :- logged_error(Source,_,_,_),real_error_occurred,!. |
| 1266 | | |
| 1267 | | %:- use_module(library(lists),[length/2]). length is builtin |
| 1268 | | |
| 1269 | | count_errors_occurred(Source,NrOfErrors) :- |
| 1270 | | findall(1,logged_error(Source,_,_,_),Ls), |
| 1271 | | length(Ls,NrOfErrors). |
| 1272 | | |
| 1273 | | display_error_statistics :- findall(Source,logged_error(Source,_,_,_),L), |
| 1274 | | count_occurences(L,Occ), |
| 1275 | | format('Error manager summary: ~w~n',[Occ]). |
| 1276 | | |
| 1277 | | |
| 1278 | | |
| 1279 | | |
| 1280 | | % ERROR CONTEXTS |
| 1281 | | % -------------- |
| 1282 | | |
| 1283 | | /* add context information; will be added to any error messages */ |
| 1284 | | % Note: Each Prolog module maintains its own blackboard for bb_get/bb_put |
| 1285 | | set_error_context(Ctx) :- bb_put(error_manager_context,Ctx). |
| 1286 | | |
| 1287 | | clear_error_context :- (bb_delete(error_manager_context,_) -> true ; true). |
| 1288 | | % retractall with dynamic predicate seems to slow down |
| 1289 | | |
| 1290 | | current_context(C) :- bb_get(error_manager_context,C). |
| 1291 | | |
| 1292 | | get_error_context(C) :- (current_context(C) -> true ; C='???'). |
| 1293 | | print_error_context :- (safe_translate_context(R), R\='' -> print_error(error,R) ; true). |
| 1294 | | |
| 1295 | | % restore an error context obtained by get_error_context |
| 1296 | | restore_error_context('???') :- !, clear_error_context. |
| 1297 | | restore_error_context(C) :- set_error_context(C). |
| 1298 | | |
| 1299 | | |
| 1300 | | % ----------------- |
| 1301 | | |
| 1302 | | get_error_span(Source,Span) :- |
| 1303 | | retract(logged_error_spans(Source,Span)). |
| 1304 | | |
| 1305 | | % a way for external modules to register error locations, e.g., for display by Tcl/Tk HighlightSyntaxErrors |
| 1306 | | register_error_span(Source,Span) :- register_error_span(Source,Span,_). |
| 1307 | | register_error_span(_,unknown,New) :- !,New=false. |
| 1308 | | register_error_span(Source,Span,New) :- logged_error_spans(Source,Span),!,New=false. |
| 1309 | | register_error_span(Source,Span,New) :- assertz(logged_error_spans(Source,Span)),New=true. |
| 1310 | | |
| 1311 | | get_error_span_linecol(Line,Col,EndLine,EndCol) :- get_error_span_linecol(_Source,Line,Col,EndLine,EndCol). |
| 1312 | | get_error_span_linecol(Source,Line,Col,EndLine,EndCol) :- |
| 1313 | | get_error_span(Source,Span), % looks at logged_error_spans and retracts |
| 1314 | | extract_line_col(Span,Line,Col,EndLine,EndCol). |
| 1315 | | |
| 1316 | | % gets repeatedly called from Tcl/Tk to get all error locations |
| 1317 | | tk_get_error_span_linecol_for_main_file(Line,Col,EndLine,EndCol) :- |
| 1318 | | retract(saved_subsidiary_span_pos(Line,Col,EndLine,EndCol)). |
| 1319 | | tk_get_error_span_linecol_for_main_file(Line,Col,EndLine,EndCol) :- |
| 1320 | | get_error_span(_Source,Span), % looks at logged_error_spans and retracts even if not in main file ! |
| 1321 | | (extract_primary_line_col_for_main_file(Span,Line,Col,EndLine,EndCol) |
| 1322 | | -> (extract_additional_pos_and_descr(Span,SubPos,_,[]), |
| 1323 | | extract_line_col_for_main_file(SubPos,SLine,SCol,SEndLine,SEndCol), |
| 1324 | | assertz(saved_subsidiary_span_pos(SLine,SCol,SEndLine,SEndCol)), % store for later lookup |
| 1325 | | fail |
| 1326 | | ; true) |
| 1327 | | ; % try finding subsidiary position which is in main file: |
| 1328 | | extract_additional_pos_and_descr(Span,SubPos,_,[]), |
| 1329 | | extract_line_col_for_main_file(SubPos,Line,Col,EndLine,EndCol) |
| 1330 | | ). |
| 1331 | | |
| 1332 | | |
| 1333 | | % just like get_error_span_linecol but does not retract and gets Filename |
| 1334 | | check_error_span_file_linecol(Source, FullFilename,Line,Col,EndLine,EndCol) :- |
| 1335 | | logged_error_spans(Source,Span), |
| 1336 | | (extract_file_line_col(Span,FullFilename,Line,Col,EndLine,EndCol) |
| 1337 | | ; |
| 1338 | | extract_additional_pos_and_descr(Span,SubPos,_,[]), |
| 1339 | | extract_file_line_col(SubPos,FullFilename,Line,Col,EndLine,EndCol)). |
| 1340 | | |
| 1341 | | extract_file_line_col(Span,FullFilename,Line,Col,EndLine,EndCol) :- |
| 1342 | | (extract_file_number_and_name(Span,_,FullFilename) |
| 1343 | | -> true |
| 1344 | | ; FullFilename = unknown), % e.g. something like src_span/6; should we return unknown('?') |
| 1345 | | extract_line_col(Span,Line,Col,EndLine,EndCol). |
| 1346 | | |
| 1347 | | % try and extract symbolic (Rodin label) information |
| 1348 | | extract_symbolic_label_pos(span_predicate(P,_,_),PosMsg) :- !, |
| 1349 | | extract_symbolic_label_pos(P,PosMsg). |
| 1350 | | extract_symbolic_label_pos(b(E,_,I),PosMsg) :- !, |
| 1351 | | (extract_symbolic_label_pos(I,PosMsg) -> true |
| 1352 | | ; first_sub_expr(E,A) -> extract_symbolic_label_pos(A,PosMsg)). |
| 1353 | | extract_symbolic_label_pos([],_) :- !,fail. |
| 1354 | | extract_symbolic_label_pos([H|T],SymbolicPos) :- !, |
| 1355 | | posinfo_member(N,[H|T]), |
| 1356 | | extract_symbolic_label_pos(N,SymbolicPos),!. |
| 1357 | | extract_symbolic_label_pos(rodinpos(Label,_),Label). % see also get_texpr_labels in bsyntaxtree |
| 1358 | | extract_symbolic_label_pos(rodinpos(Model,Name,_),Label) :- ajoin([Model,':',Name],Label). |
| 1359 | | extract_symbolic_label_pos(rodin_derived_context_pos(Model,Context,LabelName),Label) :- |
| 1360 | | ajoin([Model,'.',Context,':',LabelName],Label). |
| 1361 | | extract_symbolic_label_pos(label(Label),Label). |
| 1362 | | |
| 1363 | | % just extract label, without model |
| 1364 | | extract_symbolic_label(span_predicate(P,_,_),PosMsg) :- !, |
| 1365 | | extract_symbolic_label(P,PosMsg). |
| 1366 | | extract_symbolic_label(b(E,_,I),PosMsg) :- !, |
| 1367 | | (extract_symbolic_label(I,PosMsg) -> true |
| 1368 | | ; first_sub_expr(E,A) -> extract_symbolic_label(A,PosMsg)). |
| 1369 | | extract_symbolic_label([H|T],SymbolicPos) :- !, |
| 1370 | | posinfo_member(N,[H|T]), |
| 1371 | | extract_symbolic_label(N,SymbolicPos),!. |
| 1372 | | extract_symbolic_label(rodinpos(Label,_),Label) :- Label \= []. % see also get_texpr_labels in bsyntaxtree |
| 1373 | | extract_symbolic_label(rodinpos(_Model,Label,_),Label) :- Label \= []. |
| 1374 | | extract_symbolic_label(rodin_derived_context_pos(_Model,_Context,Label),Label) :- Label \= []. |
| 1375 | | extract_symbolic_label(label(Label),Label) :- Label \= []. |
| 1376 | | |
| 1377 | | % quickly try and simplify a span, e.g., before asserting it in a fact (as it may become big) |
| 1378 | | simplify_span(b(E,_,Infos),Res) :- !, |
| 1379 | ? | (definite_posinfo_member(N,Infos) -> Res=N |
| 1380 | | ; first_sub_expr(E,A) -> simplify_span(A,Res) |
| 1381 | | ; Res=unknown). |
| 1382 | | simplify_span(Infos,Res) :- Infos = [_|_],!, |
| 1383 | ? | (definite_posinfo_member(N,Infos) -> Res=N ; Res=unknown). |
| 1384 | | simplify_span(span_predicate(P,_,_),Res) :- !, simplify_span(P,Res). |
| 1385 | | simplify_span(S,S). |
| 1386 | | |
| 1387 | | % choose first sub-expression in case top-expression has no position info (it would be better if extract_info/3 in bsyntaxtree merges position info) |
| 1388 | | first_sub_expr(negation(A,_),A). |
| 1389 | | first_sub_expr(conjunct(A,_),A). |
| 1390 | | first_sub_expr(disjunct(A,_),A). |
| 1391 | | first_sub_expr(implication(A,_),A). |
| 1392 | | first_sub_expr(equivalence(A,_),A). |
| 1393 | | first_sub_expr(exists([A|_],_),A). |
| 1394 | | first_sub_expr(forall([A|_],_),A). |
| 1395 | | first_sub_expr(let_predicate([A|_],_,_),A). |
| 1396 | | first_sub_expr(let_expression([A|_],_,_),A). |
| 1397 | | first_sub_expr(let_expression_global([A|_],_,_),A). |
| 1398 | | first_sub_expr(sequence([A|_]),A). |
| 1399 | | first_sub_expr(parallel([A|_]),A). |
| 1400 | | first_sub_expr(assign([A|_],_),A). |
| 1401 | | first_sub_expr(var([A|_],_),A). |
| 1402 | | first_sub_expr(equal(A,_),A). |
| 1403 | | first_sub_expr(not_equal(A,_),A). |
| 1404 | | first_sub_expr(function(A,_),A). |
| 1405 | | first_sub_expr(less(A,_),A). |
| 1406 | | first_sub_expr(less_equal(A,_),A). |
| 1407 | | % TO DO: use bsyntaxtree:syntaxtraversion |
| 1408 | | |
| 1409 | | :- use_module(tools_positions,[get_position_filenumber/2, get_position_row_cols/5]). |
| 1410 | | |
| 1411 | | % extract_line_col(S,_,_,_,_) :- print(extract(S)),nl,fail. |
| 1412 | | extract_line_col(Var,_,_,_,_) :- var(Var),!, write(variable_span(Var)),nl, |
| 1413 | | fail. |
| 1414 | | extract_line_col([],_,_,_,_) :- !,fail. |
| 1415 | | extract_line_col([H|T],Srow,Scol,Erow,Ecol) :- !, |
| 1416 | | posinfo_member(N,[H|T]), |
| 1417 | | extract_line_col(N,Srow,Scol,Erow,Ecol),!. |
| 1418 | | extract_line_col(closure(_,_,B),Srow,Scol,Erow,Ecol) :- !, |
| 1419 | | extract_line_col(B,Srow,Scol,Erow,Ecol). |
| 1420 | | extract_line_col(b(E,_,Infos),Srow,Scol,Erow,Ecol) :- !, |
| 1421 | | (extract_line_col(Infos,Srow,Scol,Erow,Ecol) -> true |
| 1422 | | ; first_sub_expr(E,A) -> extract_line_col(A,Srow,Scol,Erow,Ecol)). |
| 1423 | | extract_line_col(span_predicate(P,_,_),Srow,Scol,Erow,Ecol) :- !, |
| 1424 | | extract_line_col(P,Srow,Scol,Erow,Ecol). |
| 1425 | | extract_line_col(PosTerm,Srow,S1,Erow,E1) :- |
| 1426 | | get_position_row_cols(PosTerm,Srow,Scol,Erow,Ecol), |
| 1427 | | number(Srow), |
| 1428 | | % _Filenumber is an index into list provided by b_get_all_used_filenames |
| 1429 | | number(Scol), number(Erow), number(Ecol), |
| 1430 | | !, |
| 1431 | | (Scol>0 -> S1 is Scol-1 ; S1 = Scol), % the BParser starts column numbering at 1 |
| 1432 | | (Ecol>0 -> E1 is Ecol-1 ; E1 = Ecol). |
| 1433 | | %E1=Ecol. %Somehow the Ecol info is ok for Tcl |
| 1434 | | extract_line_col(unknown,_,_,_,_) :- !,fail. |
| 1435 | | extract_line_col(pos_context(A,_,_),StartLine,StartCol,EndLine,EndCol) :- !, |
| 1436 | | extract_line_col(A,StartLine,StartCol,EndLine,EndCol). |
| 1437 | | extract_line_col(src_span(_Filenr,_Filename,StartLine,SC,EndLine,EC,Offset,LenBytes),StartLine,StartCol,EndLine,EndCol) |
| 1438 | | :- !, |
| 1439 | | extract_line_col(src_span(StartLine,SC,EndLine,EC,Offset,LenBytes),StartLine,StartCol,EndLine,EndCol). |
| 1440 | | extract_line_col(src_span(SL,SC,EL,EC,_Off,_LenBytes),StartLine,StartCol,EndLine,EndCol) :- !, |
| 1441 | | StartLine=SL, StartCol is SC-1, |
| 1442 | | EndLine = EL, EndCol is EC-1. |
| 1443 | | %:- !, StartCol is SC-1, EndCol is StartCol+LenBytes, EndLine = StartLine. %% fix because new library generates erroneous EndLine/EndCol info |
| 1444 | | % EndCol is EC-1. |
| 1445 | | extract_line_col(span_info(_Info,Span),SL,SC,EL,EC) :- !, extract_line_col(Span,SL,SC,EL,EC). |
| 1446 | | extract_line_col(src_span_operator(SP1,SP2),SL,SC,EL,EC) :- !, |
| 1447 | | (extract_line_col(SP1,SL,SC,EL,EC) ; extract_line_col(SP2,SL,SC,EL,EC)). |
| 1448 | | extract_line_col(multi_span(SL,SC,EL,EC,_Off,_Len,TAIL),StartLine,StartCol,EndLine,EndCol) :- !, |
| 1449 | | % TO DO: replace by multi_span/2 |
| 1450 | | ( StartLine = SL, StartCol is SC-1, |
| 1451 | | EndLine = EL, EndCol is EC-1 |
| 1452 | | ; extract_line_col(TAIL,StartLine,StartCol,EndLine,EndCol)). |
| 1453 | | %extract_line_col(multi_span(A,B),StartLine,StartCol,EndLine,EndCol) :- !, |
| 1454 | | % (extract_line_col(A,StartLine,StartCol,EndLine,EndCol) ; |
| 1455 | | % extract_line_col(B,StartLine,StartCol,EndLine,EndCol)). |
| 1456 | | extract_line_col(src_position(StartLine,SC,_Off,LenBytes),StartLine,StartCol,EndLine,EndCol) :- !, |
| 1457 | | StartCol is SC-1, EndCol is StartCol+LenBytes, EndLine is StartLine. |
| 1458 | | extract_line_col(src_position_with_filename(StartLine,SC,LenBytes,_Filename),StartLine,StartCol,EndLine,EndCol) :- |
| 1459 | | !, |
| 1460 | | StartCol is SC-1, EndCol is StartCol+LenBytes, EndLine is StartLine. |
| 1461 | | extract_line_col(src_position_with_filename_and_ec(SL,SC,EL,EC,_Fname),StartLine,StartCol,EndLine,EndCol) :- |
| 1462 | | !, |
| 1463 | | StartLine=SL,StartCol is SC-1,EndLine = EL, EndCol is EC-1. |
| 1464 | | extract_line_col(lineCol(StartLine,StartCol),StartLine,StartCol,EndLine,EndCol) :- !, |
| 1465 | | EndLine=StartLine, EndCol=StartCol. |
| 1466 | | extract_line_col(span_context(Span,_),StartLine,StartCol,EndLine,EndCol) :- !, |
| 1467 | | extract_line_col(Span,StartLine,StartCol,EndLine,EndCol). |
| 1468 | | extract_line_col(Pos,_,_,_,_) :- is_symbolic_position(Pos),!,fail. % cannot extract line/col infos |
| 1469 | | %extract_line_col(Struct,StartLine,StartCol,EndLine,EndCol) :- |
| 1470 | | % is_argument_of_compound_term(Struct,Arg), |
| 1471 | | % functor(Arg,FF,NN),functor(Struct,FS,NS), write(detected(FF,NN,in,FS,NS)),nl,trace, |
| 1472 | | % /* recursively look for error spans inside */ |
| 1473 | | % extract_line_col(Arg,StartLine,StartCol,EndLine,EndCol),!. |
| 1474 | | %extract_line_col(S,_,_,_,_) :- print('COULD NOT EXTRACT LINE/COL INFO: '), print(S), |
| 1475 | | % functor(S,F,N), print(' '),print(F/N),nl,nl,fail. |
| 1476 | | |
| 1477 | | %:- use_module(library(between),[between/3]). |
| 1478 | | %is_argument_of_compound_term(Term,Arg) :- functor(Term,_,Arity), |
| 1479 | | % between(1,Arity,ArgNr), arg(ArgNr,Term,Arg), |
| 1480 | | % % this is quite dangerous, and possibly expensive |
| 1481 | | % ground(Arg). |
| 1482 | | |
| 1483 | | is_symbolic_position(rodinpos(_,_)). |
| 1484 | | is_symbolic_position(rodinpos(_,_,_)). |
| 1485 | | is_symbolic_position(rodin_derived_context_pos(_,_,_)). |
| 1486 | | is_symbolic_position(label(_)). |
| 1487 | | |
| 1488 | | |
| 1489 | | /* For TCL TK: extract all line_col information in one go and in 4 lists */ |
| 1490 | | extract_all_line_col(Span, StartLineList,StartColList,EndLineList,EndColList) :- |
| 1491 | | findall(lc(SL,SC,EL,EC), extract_line_col(Span,SL,SC,EL,EC),All), |
| 1492 | | %print(all(All,Span)),nl, |
| 1493 | | split_lc(All,StartLineList,StartColList,EndLineList,EndColList). |
| 1494 | | |
| 1495 | | split_lc([], [],[],[],[]). |
| 1496 | | split_lc([lc(SL,SC,EL,EC)|T],[SL|T1],[SC|T2],[EL|T3],[EC|T4]) :- |
| 1497 | | split_lc(T,T1,T2,T3,T4). |
| 1498 | | |
| 1499 | | % TO DO: merge with line_col and in Tcl/Tk use info to highlight proper file ! |
| 1500 | | |
| 1501 | | % a version of extract_file_name with options: |
| 1502 | | extract_file_name_with_opts(Pos,Filename,Opts) :- member(relative_file_name,Opts),!, |
| 1503 | | extract_relative_file_name(Pos,Filename). |
| 1504 | | extract_file_name_with_opts(Pos,Filename,Opts) :- member(tail_file_name,Opts),!, |
| 1505 | | extract_tail_file_name(Pos,Filename). |
| 1506 | | extract_file_name_with_opts(Pos,Filename,_) :- |
| 1507 | | extract_file_name(Pos,Filename). |
| 1508 | | |
| 1509 | | % TODO: maybe add a preference to always get full filename path (cf always_print_filename in translate) |
| 1510 | | % TODO: do not show filename if there is only one file ? |
| 1511 | | extract_relative_file_name(Pos,RelFilename) :- |
| 1512 | | extract_file_name(Pos,Filename), |
| 1513 | | (specfile:currently_opened_file_status(Main,_), |
| 1514 | | tools:get_parent_directory(Main,MainDir), |
| 1515 | | tools:gen_relative_path(Filename,MainDir,Rel) |
| 1516 | | -> RelFilename = Rel |
| 1517 | | ; RelFilename = Filename). |
| 1518 | | extract_file_name(Pos,Filename) :- |
| 1519 | | extract_valid_file_number_and_name(Pos,_,Filename), |
| 1520 | | Filename \=null. % Filename = null occurs in eval_strings !? |
| 1521 | | extract_tail_file_name(Pos,Filename) :- |
| 1522 | | extract_valid_file_number_and_name(Pos,_,FullFilename), |
| 1523 | | tools:get_tail_filename(FullFilename,Filename). |
| 1524 | | extract_subsidiary_tail_file_name(Pos,Filename) :- |
| 1525 | | extract_valid_file_number_and_name(Pos,Nr,FullFilename), |
| 1526 | | not_main_file(Nr,FullFilename), |
| 1527 | | tools:get_tail_filename(FullFilename,Filename). |
| 1528 | | |
| 1529 | | extract_valid_file_number_and_name(Pos,Nr,Filename) :- |
| 1530 | | extract_file_number_and_name(Pos,Nr,Filename), |
| 1531 | | valid_filename(Filename). |
| 1532 | | valid_filename(F) :- atom(F). % not unknown(-1) which can come from REPL |
| 1533 | | % should we detect null here? |
| 1534 | | |
| 1535 | | % a version of extract_line_col which fails if the primary error location is not in the main file |
| 1536 | | extract_primary_line_col_for_main_file(Span,Line,Col,EndLine,EndCol) :- |
| 1537 | | \+((extract_file_number_and_name(Span,Nr,FullFilename), |
| 1538 | | not_main_file(Nr,FullFilename))), |
| 1539 | | extract_line_col(Span,Line,Col,EndLine,EndCol). |
| 1540 | | |
| 1541 | | % a version of extract_line_col which fails if the error or subsidiary location is not in the main file |
| 1542 | | extract_line_col_for_main_file(Span,Line,Col,EndLine,EndCol) :- |
| 1543 | | (extract_file_number_and_name(Span,Nr,FullFilename), |
| 1544 | | not_main_file(Nr,FullFilename) |
| 1545 | | -> extract_additional_pos_and_descr(Span,SubPos,_,[]), |
| 1546 | | extract_line_col_for_main_file(SubPos,Line,Col,EndLine,EndCol) |
| 1547 | | ; extract_line_col(Span,Line,Col,EndLine,EndCol) |
| 1548 | | ). |
| 1549 | | |
| 1550 | | extract_file_number_and_name(V,_,_) :- var(V),!,fail. |
| 1551 | | extract_file_number_and_name(value(_),_,_) :- !,fail. |
| 1552 | | extract_file_number_and_name(pos_context(A,_,_), Filenumber,Filename) :- !, |
| 1553 | | extract_file_number_and_name(A, Filenumber,Filename). |
| 1554 | | extract_file_number_and_name(span_predicate(P,_,_), Filenumber,Filename) :- !, |
| 1555 | | extract_file_number_and_name(P, Filenumber,Filename). |
| 1556 | | extract_file_number_and_name(Pos, ResFileNr,Res) :- |
| 1557 | | get_position_filenumber(Pos,Filenumber),!, |
| 1558 | | (get_filename(Filenumber,Filename) |
| 1559 | | -> ResFileNr=Filenumber,Res=Filename |
| 1560 | | ; ResFileNr=Filenumber,Res=unknown(Filenumber) % unknown(-1) which can come from REPL |
| 1561 | | ). |
| 1562 | | extract_file_number_and_name(src_span(_,Filename,_,_,_,_,_,_), ResFileNr, Res) :- !,ResFileNr=unknown, Res=Filename. |
| 1563 | | extract_file_number_and_name(src_span(_,_,_, _,_,_), _ResFileNr, _Res) :- !,fail. % src_span/6, No file stored |
| 1564 | | extract_file_number_and_name(src_position_with_filename(_,_,_,Filename), ResFileNr, Res) :- !,ResFileNr=unknown,Res=Filename. |
| 1565 | | extract_file_number_and_name(src_position_with_filename_and_ec(_,_,_,_,Filename), ResFileNr, Res) :- !,ResFileNr=unknown,Res=Filename. |
| 1566 | | extract_file_number_and_name(section(RodinFilename), ResFileNr, Res) :- !,ResFileNr=unknown,Res=RodinFilename. |
| 1567 | | extract_file_number_and_name([H|T],Filenumber,Filename) :- !, |
| 1568 | | posinfo_member(Arg,[H|T]), |
| 1569 | | extract_file_number_and_name(Arg,Filenumber,Filename),!. |
| 1570 | | extract_file_number_and_name(closure(_,_,B),Filenumber,Filename) :- !, |
| 1571 | | extract_file_number_and_name(B,Filenumber,Filename). |
| 1572 | | extract_file_number_and_name(b(E,_,Infos),Filenumber,Filename) :- !, |
| 1573 | | (extract_file_number_and_name(Infos,Filenumber,Filename) -> true |
| 1574 | | ; first_sub_expr(E,A) -> extract_file_number_and_name(A,Filenumber,Filename)). |
| 1575 | | extract_file_number_and_name(span_context(Span,_),Filenumber,Filename) :- !, |
| 1576 | | extract_file_number_and_name(Span,Filenumber,Filename). |
| 1577 | | %extract_file_number_and_name(Struct,Filenumber,Filename) :- |
| 1578 | | % /* recursively look for error spans inside */ |
| 1579 | | % is_argument_of_compound_term(Struct,Arg), |
| 1580 | | % extract_file_number_and_name(Arg,Filenumber,Filename),!. |
| 1581 | | |
| 1582 | ? | definite_posinfo_member(POS,Args) :- member(nodeid(POS),Args). |
| 1583 | | posinfo_member(Arg,Args) :- % look for a nodeid(.) member |
| 1584 | ? | (member(nodeid(POS),Args) -> Arg=POS). % no longer allow other members in lists ; member(Arg,Args)). |
| 1585 | | |
| 1586 | | %:- use_module(bmachine,[b_get_all_used_filenames/1,b_get_main_filenumber/1]). |
| 1587 | | position_is_not_in_main_file(Pos) :- |
| 1588 | | get_position_filenumber(Pos,Filenumber),!, % B position info |
| 1589 | | not_main_filenumber(Filenumber). |
| 1590 | | position_is_not_in_main_file(src_span(_,Filename,_,_,_,_,_,_)) :- !, |
| 1591 | | specfile:currently_opened_file_status(Main,_), Main \= Filename. |
| 1592 | | position_is_not_in_main_file(src_position_with_filename(_,_,_,Filename)) :- !, |
| 1593 | | specfile:currently_opened_file_status(Main,_), Main \= Filename. |
| 1594 | | position_is_not_in_main_file(src_position_with_filename_ec(_,_,_,_,Filename)) :- !, |
| 1595 | | specfile:currently_opened_file_status(Main,_), Main \= Filename. |
| 1596 | | position_is_not_in_main_file(Struct) :- \+ atomic(Struct), Struct =.. [_|Args], |
| 1597 | | /* recursively look for error spans inside */ |
| 1598 | ? | member(Arg,Args), position_is_not_in_main_file(Arg),!. |
| 1599 | | |
| 1600 | | |
| 1601 | | not_main_file(Filenumber,_) :- number(Filenumber),!, % B Position info |
| 1602 | | not_main_filenumber(Filenumber). |
| 1603 | | not_main_file(_,Filename) :- % probably CSP position info; or unknown |
| 1604 | | specfile:currently_opened_file_status(Main,_), |
| 1605 | | \+ same_file_name(Main,Filename). %Main \= Filename. |
| 1606 | | |
| 1607 | | :- use_module(tools,[get_tail_filename/2]). |
| 1608 | | same_file_name(F1,F2) :- |
| 1609 | | (F1=F2 -> true |
| 1610 | | ; atom(F1), atom(F2), % we can have a non-atomic name like package(event_b_project) |
| 1611 | | get_tail_filename(F1,T1), |
| 1612 | | get_tail_filename(F2,T2), T1=T2). |
| 1613 | | |
| 1614 | | not_main_filenumber(Filenumber) :- |
| 1615 | | (bmachine:b_get_main_filenumber(MainFN) -> MainFN \= Filenumber |
| 1616 | | ; true). % there is no main file number, this must be an additionally loaded file (e.g., VisB .def file) |
| 1617 | | |
| 1618 | | % --------------------------------- |
| 1619 | | |
| 1620 | | |
| 1621 | | |
| 1622 | | % find a sub-position matching a given target like context_pos |
| 1623 | | find_sub_position_match(Pos,Target) :- Target=Pos,!. |
| 1624 | | find_sub_position_match(b(E,_,Infos),Target) :- !, |
| 1625 | | (find_sub_position_match(Infos,Target) -> true |
| 1626 | | ; first_sub_expr(E,A),find_sub_position_match(A,Target)). |
| 1627 | | find_sub_position_match(span_predicate(P,_,_),Target) :- !, |
| 1628 | | find_sub_position_match(P,Target). |
| 1629 | | find_sub_position_match([H|T],Target) :- !, |
| 1630 | | posinfo_member(N,[H|T]), |
| 1631 | | find_sub_position_match(N,Target). |
| 1632 | | find_sub_position_match(closure(_,_,B),Target) :- !, |
| 1633 | | find_sub_position_match(B,Target). |
| 1634 | | |
| 1635 | | extract_pos_context(Span,MainPos,Context,CtxtPos) :- |
| 1636 | | find_sub_position_match(Span,pos_context(M,C,P)),!, |
| 1637 | | MainPos=M, Context=C, CtxtPos=P. |
| 1638 | | |
| 1639 | | % extract additional information about error span, e.g., Definition call context, other spans,... |
| 1640 | | extract_additional_description(Span,FullDesc) :- |
| 1641 | | extract_additional_pos_and_descr(Span,_Position,FullDesc,[]). |
| 1642 | | |
| 1643 | | extract_additional_pos_and_descr(Span,CtxtPos,FullDesc,Opts) :- |
| 1644 | | extract_pos_context(Span,MainPos,Context,CtxtPos), |
| 1645 | | %nl,print(pos_context(MainPos,Context,CtxtPos)),nl, |
| 1646 | | extract_context_msg(Context,MainPos,CMsg,Opts), |
| 1647 | | (extract_span_description_with_opts(CtxtPos,PosMsg,Opts) |
| 1648 | | -> (member(inner_context_separator(_,AT),Opts) -> true ; AT = ' at '), |
| 1649 | | ajoin([CMsg,AT,PosMsg],FullDesc) |
| 1650 | | ; FullDesc=CMsg). % no position info available |
| 1651 | | |
| 1652 | | extract_context_msg(call_stack(Stack),MainPos,Msg,_Opts) :- !, |
| 1653 | | translate:translate_call_stack([top_level_call(MainPos)|Stack],Msg). |
| 1654 | | % dynamic call stack; we add subsidiary DEFINITION calls to the Call stack |
| 1655 | | % see result e.g., for public_examples/B/FeatureChecks/DEFINITIONS/DefCallStackDisplay.mch |
| 1656 | | % TODO: should we also add_inner_context_description for use-cases like Atom editor |
| 1657 | | extract_context_msg(definition_call(Name),MainPos,Msg,Opts) :- |
| 1658 | | !, % static Definition macro expansion call stack |
| 1659 | | (member(compact_pos_info,Opts) |
| 1660 | | -> ajoin(['call of ',Name],OuterMsg) |
| 1661 | | ; ajoin(['DEFINITION call of ',Name],OuterMsg) |
| 1662 | | ), |
| 1663 | | add_inner_context_description(MainPos,OuterMsg,Msg,Opts). |
| 1664 | | extract_context_msg(C,MainPos,Msg,Opts) :- ajoin(['CONTEXT: ',C],OuterMsg), |
| 1665 | | add_inner_context_description(MainPos,OuterMsg,Msg,Opts). |
| 1666 | | |
| 1667 | | |
| 1668 | | add_inner_context_description(Span,OuterCMsg,FullDesc,Opts) :- |
| 1669 | | % used to have this check: Span = pos_context(MainPos,Context,CtxtPos), |
| 1670 | | extract_additional_pos_and_descr(Span,_Pos,InnerCMsg,Opts),!, |
| 1671 | | (member(inner_context_separator(WITHIN,_),Opts) -> true ; WITHIN = ' within '), |
| 1672 | | ajoin([InnerCMsg,WITHIN,OuterCMsg],FullDesc). |
| 1673 | | add_inner_context_description(_,FullDesc,FullDesc,_). |
| 1674 | | |
| 1675 | | % try and extract a definition call stack |
| 1676 | | extract_definition_call_stack(pos_context(_Main,definition_call(Name),AuxPos),[Name|T]) :- !, |
| 1677 | | extract_definition_call_stack(AuxPos,T). |
| 1678 | | extract_definition_call_stack(_,[]). |
| 1679 | | |
| 1680 | | % get definition call stack as atom |
| 1681 | | extract_definition_call_stack_desc(CallPos,CSString) :- |
| 1682 | | extract_definition_call_stack(CallPos,DefCallStack), |
| 1683 | | (DefCallStack=[] -> CSString = '' |
| 1684 | | ; reverse(DefCallStack,RS),ajoin_with_sep(RS,'->',DefCallStackTxt), |
| 1685 | | ajoin([' via ',DefCallStackTxt],CSString) |
| 1686 | | ). |
| 1687 | | % --------------------------------- |
| 1688 | | |
| 1689 | | % Get Source Position Info string for use in Tcl/Tk tables (column must be called 'Source'): |
| 1690 | | get_tk_table_position_info(Span,PosStr) :- |
| 1691 | | extract_line_col_for_main_file(Span,StartRow,StartCol,EndRow,EndCol), !, |
| 1692 | | ajoin([' at line ',StartRow,':',StartCol,' - ', EndRow, ':', EndCol],PosStr). % recognised by Tk Table viewer |
| 1693 | | get_tk_table_position_info(Span,PosStr) :- extract_span_description(Span,PosStr),!. |
| 1694 | | get_tk_table_position_info(_,''). |
| 1695 | | |
| 1696 | | |
| 1697 | | % --------------------------------- |
| 1698 | | |
| 1699 | | :- dynamic backed_up_error/4. |
| 1700 | | |
| 1701 | | % copy current error facts into backed_up_error facts |
| 1702 | | backup_errors :- |
| 1703 | | retractall(backed_up_error(_,_,_,_)), |
| 1704 | | logged_error(Source,S,TContext,Span), |
| 1705 | | assertz(backed_up_error(Source,S,TContext,Span)), |
| 1706 | | fail. |
| 1707 | | backup_errors. |
| 1708 | | |
| 1709 | | % --------------------------------- |
| 1710 | | |
| 1711 | | :- dynamic error_manager_silent_mode/1. |
| 1712 | | % separate from debug:silent_mode to avoid dependency to debug module |
| 1713 | | error_manager_silent_mode(off). |
| 1714 | | |
| 1715 | | set_error_manager_silent_mode(X) :- retractall(error_manager_silent_mode(_)), |
| 1716 | | assertz(error_manager_silent_mode(X)). |
| 1717 | | |
| 1718 | | |
| 1719 | | formatsilentmsg(Stream,FS,Args) :- error_manager_silent_mode(off) -> format(Stream,FS,Args) ; true. |
| 1720 | | |
| 1721 | | % ------------------------------------------- |
| 1722 | | |
| 1723 | | :- use_module(eventhandling,[register_event_listener/3]). |
| 1724 | | :- register_event_listener(reset_prob,reset_errors, |
| 1725 | | 'Reset Error Manager just like after starup_prob (except total_number_of_errors)'). |