X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/b9752825a023753145900b00a3f16394e183be60..5092aba5a75e23dc8bca281a5ea240a7e155eff3:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 2950ad52..2107266f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,139 @@ +2001-12-27 Akim Demaille + + * src/conflicts.c, src/conflicts.h (print_reductions): Move to... + * src/print.c: here. + (lookaheadset, shiftset): New, used as additional storage by + print_reductions. + (print_results): Adjust. + (print_shifts, print_gotos, print_errs): New, extracted from... + (print_actions): here. + * src/print_graph.c (print_actions): Remove dead code. + + +2001-12-27 Akim Demaille + + * src/reader.c (copy_dollar, copy_at): Better checking of `n' in + `$n' and `@n'. + + +2001-12-27 Akim Demaille + + * src/lalr.c (add_lookback_edge): Use state_t instead of ints. + (build_relations): Adjust. + + +2001-12-27 Akim Demaille + + * src/lalr.c (set_goto_map): Remove a wrong but benign loop + duplication. + + +2001-12-27 Akim Demaille + + * src/reader.c (packgram): Catch nitems overflows. + + +2001-12-27 Akim Demaille + + * src/files.c, src/files.h (guard_obstack): Remove. + * src/output.c (output): Adjust. + * src/reader.c (parse_braces): New, factoring... + (copy_action, copy_guard): these two which are renamed as... + (parse_action, parse_guard): these. + As a voluntary consequence, using braces around guards is now + mandatory. + + +2001-12-27 Akim Demaille + + * src/gram.h (rule_t): `guard' and `guard_line' are new members. + * src/reader.c (symbol_list): `guard' and `guard_line' are new + members. + (symbol_list_new): Adjust. + (copy_action): action_line is the first line, not the last. + (copy_guard): Just as for actions, store the `action' only, not + the switch/case/break flesh. + Don't parse the user action that might follow the guard, let... + (readgram): do it, i.e., now, there can be an action after a + guard. + In other words the guard is just explicitly optional. + (packgram): Adjust. + * src/output.c (guards_output): New. + (output_parser): Call it when needed. + (output): Also free the guard and attrs obstacks. + * src/files.c, src/files.h (obstack_save): Remove. + (output_files): Remove. + As a result, if one needs the former `.act' file, using an + appropriate skeleton which requires actions and guards is now + required. + * src/main.c (main): Adjust. + * tests/semantic.at: New. + * tests/regression.at: Use `input.y' as input file name. + Avoid 8+3 problems by requiring input.c when the test needs the + parser. + +2001-12-27 Akim Demaille + + * src/reader.c (symbol_list_new): Be sure to initialize all the + fields. + +2001-12-27 Akim Demaille + + All the hacks using a final pseudo state are now useless. + + * src/LR0.c (set_state_table): state_table holds exactly nstates. + * src/lalr.c (nLA): New. + (initialize_LA, compute_lookaheads, initialize_lookaheads): Use it + instead of lookaheadsp from the pseudo state (nstate + 1). + +2001-12-27 Akim Demaille + + * src/output.c (action_row, token_actions): Use a state_t instead + of a integer, and nlookaheads instead of the following state's + lookaheadsp. + + +2001-12-27 Akim Demaille + + * src/conflicts.c (log_resolution, flush_shift) + (resolve_sr_conflict, set_conflicts, solve_conflicts) + (count_sr_conflicts, count_rr_conflicts, conflicts_output) + (conflicts_print, print_reductions): Use a state_t instead of an + integer when referring to a state. + As much as possible, depend upon nlookaheads, instead of the + `lookaheadsp' member of the following state (since lookaheads of + successive states are successive, the difference between state n + 1 + and n served as the number of lookaheads for state n). + * src/lalr.c (add_lookback_edge): Likewise. + * src/print.c (print_core, print_actions, print_state) + (print_results): Likewise. + * src/print_graph.c (print_core, print_actions, print_state) + (print_graph): Likewise. + * src/conflicts.h: Adjust. + +2001-12-27 Akim Demaille + + * src/bison.hairy: Formatting/comment changes. + ANSIfy. + Remove `register' indications. + Add plenty of `static'. + +2001-12-27 Akim Demaille + + * src/output.c (prepare): Drop the muscle `ntbase' which + duplicates ntokens. + * src/bison.simple: Formatting/comment changes. + Use YYNTOKENS only, which is documented, but not YYNTBASE, which + is an undocumented synonym. + + +2001-12-22 Akim Demaille + + * src/output.c (output_table_data): Change the prototype to use + `int' for array ranges: some invocations do pass an int, not a + short. + Reported by Wayne Green. + 2001-12-22 Akim Demaille Some actions of web2c.y are improperly triggered.