X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/602bbf31c1fbb83a0e1703e35e33e1e8dc9b0fd2..9515e8a7f83cbb920491ceaef03f8e0fe0ce8108:/ChangeLog?ds=sidebyside diff --git a/ChangeLog b/ChangeLog index 75a9cfd5..9fd58758 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,552 @@ +2002-04-22 Akim Demaille <akim@epita.fr> + + * data/bison.simple (yyr1): Its type is that of a token number. + * data/bison.c++ (r1_): Likewise. + * tests/regression.at (Web2c Actions): Adjust. + +2002-04-22 Akim Demaille <akim@epita.fr> + + * src/reader.c (token_translations_init): 256 is now the default + value for the error token, i.e., it will be assigned another + number if the user assigned 256 to one of her tokens. + (reader): Don't force 256 to error. + * doc/bison.texinfo (Symbols): Adjust. + * tests/torture.at (AT_DATA_HORIZONTAL_GRAMMAR) + (AT_DATA_TRIANGULAR_GRAMMAR): Number the tokens as 1, 2, 3 + etc. instead of 10, 20, 30 (which was used to `jump' over error + (256) and undefined (2)). + +2002-04-22 Akim Demaille <akim@epita.fr> + + Propagate more token_number_t. + + * src/gram.h (token_number_as_item_number) + (item_number_as_token_number): New. + * src/output.c (GENERATE_OUTPUT_TABLE): New. + Use it to create output_item_number_table and + output_token_number_table. + * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c, + * src/lex.c, src/nullable.c, src/output.c, src/print.c, + * src/print_graph.c, src/reader.c, src/reduce.c, src/state.h, + * src/symtab.c, src/symtab.h: Use token_number_t instead of shorts. + + +2002-04-22 Akim Demaille <akim@epita.fr> + + * src/output.h, src/output.c (get_lines_number): Remove. + +2002-04-19 Akim Demaille <akim@epita.fr> + + * doc/bison.texinfo (Actions): Make clear that `|' is not the same + as Lex/Flex'. + (Debugging): More details about enabling the debugging features. + (Table of Symbols): Describe $$, $n, @$, and @n. + Suggested by Tim Josling. + +2002-04-19 Akim Demaille <akim@epita.fr> + + * doc/bison.texinfo: Remove the uses of the obsolete @refill. + +2002-04-10 Akim Demaille <akim@epita.fr> + + * src/system.h: Rely on HAVE_LIMITS_H. + Suggested by Paul Eggert. + +2002-04-09 Akim Demaille <akim@epita.fr> + + * tests/calc.at (_AT_CHECK_CALC_ERROR): Receive as argument the + full stderr, and strip it according to the bison options, instead + of composing the error message from different bits. + This makes it easier to check for several error messages. + Adjust all the invocations. + Add an invocation exercising the error token. + Add an invocation demonstrating a stupid error message. + (_AT_DATA_CALC_Y): Follow the GCS: initial column is 1, not 0. + Adjust the tests. + Error message are for stderr, not stdout. + +2002-04-09 Akim Demaille <akim@epita.fr> + + * src/gram.h, src/gram.c (error_token_number): Remove, use + errtoken->number. + * src/reader.c (reader): Don't specify the user token number (2) + for $undefined, as it uselessly prevents using it. + * src/gram.h (token_number_t): Move to... + * src/symtab.h: here. + (state_t.number): Is a token_number_t. + * src/print.c, src/reader.c: Use undeftoken->number instead of + hard coded 2. + (Even though this 2 is not the same as above: the number of the + undeftoken remains being 2, it is its user token number which + might not be 2). + * src/output.c (prepare_tokens): Rename the `maxtok' muscle with + `user_token_number_max'. + Output `undef_token_number'. + * data/bison.simple, data/bison.c++: Use them. + Be sure to map invalid yylex return values to + `undef_token_number'. This saves us from gratuitous SEGV. + + * tests/conflicts.at (Solved SR Conflicts) + (Unresolved SR Conflicts): Adjust. + * tests/regression.at (Web2c Actions): Adjust. + +2002-04-08 Akim Demaille <akim@epita.fr> + + * data/bison.c++: s/b4_item_number_max/b4_rhs_number_max/. + Adding #line. + Remove the duplicate `typedefs'. + (RhsNumberType): Fix the declaration and various other typos. + Use __ofile__. + * data/bison.simple: Use __ofile__. + * src/scan-skel.l: Handle __ofile__. + +2002-04-08 Akim Demaille <akim@epita.fr> + + * src/gram.h (item_number_t): New, the type of item numbers in + RITEM. Note that it must be able to code symbol numbers as + positive number, and the negation of rule numbers as negative + numbers. + Adjust all dependencies (pretty many). + * src/reduce.c (rule): Remove this `short *' pointer: use + item_number_t. + * src/system.h (MINSHORT, MAXSHORT): Remove. + Include `limits.h'. + Adjust dependencies to using SHRT_MAX and SHRT_MIN. + (shortcpy): Remove. + (MAXTABLE): Move to... + * src/output.c (MAXTABLE): here. + (prepare_rules): Use output_int_table to output rhs. + * data/bison.simple, data/bison.c++: Adjust. + * tests/torture.at (Big triangle): Move the limit from 254 to + 500. + * tests/regression.at (Web2c Actions): Ajust. + + Trying with bigger grammars shows various phenomena: at 3000 (28Mb + of grammar file) bison is killed by my system, at 2000 (12Mb) bison + passes, but produces negative #line number, once fixed, GCC is + killed while compiling 14Mb, at 1500 (6.7 Mb of grammar, 8.2Mb of + C), it passes. + * src/state.h (state_h): Code input lines on ints, not shorts. + +2002-04-08 Akim Demaille <akim@epita.fr> + + * src/reduce.c (reduce_grammar): First reduce the nonterminals, + and then the grammar. + +2002-04-08 Akim Demaille <akim@epita.fr> + + * src/system.h: No longer using strndup. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/muscle_tab.h (MUSCLE_INSERT_LONG_INT): New. + * src/output.c (output_table_data): Return the longest number. + (prepare_tokens): Output `token_number_max'). + * data/bison.simple, data/bison.c++ (b4_sint_type, b4_uint_type): + New. + Use them to define yy_token_number_type/TokenNumberType. + Use this type for yytranslate. + * tests/torture.at (Big triangle): Push the limit from 124 to + 253. + * tests/regression.at (Web2c Actions): Adjust. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * tests/torture.at (Big triangle): New. + (GNU AWK Grammar, GNU Cim Grammar): Move to... + * tests/existing.at: here. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/gram.h, src/gram.c (nitems): Remove, it is an alias of + nritems. + Adjust dependencies. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/reader.c: Normalize increments to prefix form. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/reader.c, symtab.c: Remove debugging code. + +2002-04-07 Akim Demaille <akim@epita.fr> + + Rename all the `bucket's as `symbol_t'. + + * src/gram.c, src/gram.h, src/lex.c, src/lex.h, src/output.c, + * src/reader.c, src/reader.h, src/reduce.c, src/state.h, + * src/symtab.c, src/symtab.h (bucket): Rename as... + (symbol_t): this. + (symbol_list_new, bucket_check_defined, bucket_make_alias) + (bucket_check_alias_consistence, bucket_pack, bucket_translation) + (bucket_new, bucket_free, hash_compare_bucket, hash_bucket) + (buckets_new, buckets_free, buckets_do): Rename as... + (symbol_list_new, symbol_check_defined, symbol_make_alias) + (symbol_check_alias_consistence, symbol_pack, symbol_translation) + (symbol_new, symbol_free, hash_compare_symbol_t, hash_symbol_t) + (symbols_new, symbols_free, symbols_do): these. + +2002-04-07 Akim Demaille <akim@epita.fr> + + Use lib/hash for the symbol table. + + * src/gram.c (ntokens): Initialize to 1, to reserve a slot for + EOF. + * src/lex.c (lex): Set the `number' member of new terminals. + * src/reader.c (bucket_check_defined, bucket_make_alias) + (bucket_check_alias_consistence, bucket_translation): New. + (reader, grammar_free, readgram, token_translations_init) + (packsymbols): Adjust. + (reader): Number the predefined tokens. + * src/reduce.c (inaccessable_symbols): Just use hard coded numbers + for predefined tokens. + * src/symtab.h (bucket): Remove all the hash table related + members. + * src/symtab.c (symtab): Replace by... + (bucket_table): this. + (bucket_new, bucket_free, hash_compare_bucket, hash_bucket) + (buckets_new, buckets_do): New. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/gram.c (nitems, nrules, nsyms, ntokens, nvars, nritems) + (start_symbol, max_user_token_number, semantic_parser) + (error_token_number): Initialize. + * src/reader.c (grammar, start_flag, startval, typed, lastprec): + Initialize. + (reader): Don't. + (errtoken, eoftoken, undeftoken, axiom): Extern. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/gram.h (rule_s): prec and precsym are now pointers + to the bucket giving the priority/associativity. + Member `associativity' removed: useless. + * src/reduce.c, src/conflicts.c: Adjust. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/lalr.c, src/LR0.c, src/closure.c, src/gram.c, src/reduce.c: + Properly escape the symbols' TAG when outputting them. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/lalr.h (LA): Is a bitsetv, not bitset*. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/lalr.h, src/lalr.c (LAruleno): Replace with... + (LArule): this, which is an array to rule_t*. + * src/print.c, src/conflicts.c: Adjust. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/gram.h (rule_t): Rename `number' as `user_number'. + `number' is a new member. + Adjust dependencies. + * src/reduce.c (reduce_grammar_tables): Renumber rule_t.number. + +2002-04-07 Akim Demaille <akim@epita.fr> + + As a result of the previous patch, it is no longer needed + to reorder ritem itself. + + * src/reduce.c (reduce_grammar_tables): Don't sort RITEM. + +2002-04-07 Akim Demaille <akim@epita.fr> + + Be sure never to walk through RITEMS, but use only data related to + the rules themselves. RITEMS should be banished. + + * src/output.c (output_token_translations): Rename as... + (prepare_tokens): this. + In addition to `translate', prepare the muscles `tname' and + `toknum', which were handled by... + (output_rule_data): this. + Remove, and move the remainder of its outputs into... + (prepare_rules): this new routines, which also merges content from + (output_gram): this. + (prepare_rules): Be sure never to walk through RITEMS. + (output_stos): Rename as... + (prepare_stos): this. + (output): Always invoke prepare_states, after all, just don't use it + in the output if you don't need it. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/LR0.c (new_state): Display `nstates' as the name of the + newly created state. + Adjust to initialize first_state and last_state if needed. + Be sure to distinguish the initial from the final state. + (new_states): Create the itemset of the initial state, and use + new_state. + * src/closure.c (closure): Now that the initial state has its + items properly set, there is no need for a special case when + creating `ruleset'. + + As a result, now the rule 0, reducing to $axiom, is visible in the + outputs. Adjust the test suite. + + * tests/conflicts.at (Solved SR Conflicts) + (Unresolved SR Conflicts): Adjust. + * tests/regression.at (Web2c Report, Rule Line Numbers): Idem. + * tests/conflicts.at (S/R in initial): New. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/LR0.c (allocate_itemsets): Don't loop over ritem: loop over + the RHS of the rules. + * src/output.c (output_gram): Likewise. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/gram.h (rule_t): `lhs' is now a pointer to the symbol's + bucket. + Adjust all dependencies. + * src/reduce.c (nonterminals_reduce): Don't forget to renumber the + `number' of the buckets too. + * src/gram.h: Include `symtab.h'. + (associativity): Move to... + * src/symtab.h: here. + No longer include `gram.h'. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/gram.h, src/gram.c (rules_rhs_length): New. + (ritem_longest_rhs): Use it. + * src/gram.h (rule_t): `number' is a new member. + * src/reader.c (packgram): Set it. + * src/reduce.c (reduce_grammar_tables): Move the useless rules at + the end of `rules', and count them out of `nrules'. + (reduce_output, dump_grammar): Adjust. + * src/print.c (print_grammar): It is no longer needed to check for + the usefulness of a rule, as useless rules are beyond `nrules + 1'. + * tests/reduce.at (Reduced Automaton): New test. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/reduce.c (inaccessable_symbols): Fix a buglet: because of a + lacking `+ 1' to nrules, Bison reported as useless a token if it + was used solely to set the precedence of the last rule... + +2002-04-07 Akim Demaille <akim@epita.fr> + + * data/bison.c++, data/bison.simple: Don't output the current file + name in #line, to avoid useless diffs between two identical + outputs under different names. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/closure.c, src/print.c, src/reader.c, src/reduce.c: + Normalize loops to using `< nrules + 1', not `<= nrules'. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * TODO: Update. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/output.c, src/reader.c, src/symtab.c, src/symtab.h: Rename + bucket.value as bucket.number. + +2002-04-07 Akim Demaille <akim@epita.fr> + + * src/closure.c, src/derives.c, src/gram.h, src/lalr.c, + * src/nullable.c, src/output.c, src/print.c, src/print_graph.c, + * src/reader.c, src/reduce.c: Let rule_t.rhs point directly to the + RHS, instead of being an index in RITEMS. + +2002-04-04 Paul Eggert <eggert@twinsun.com> + + * doc/bison.texinfo: Update copyright date. + (Rpcalc Lexer, Symbols, Token Decl): Don't assume ASCII. + (Symbols): Warn about running Bison in one character set, + but compiling and/or running in an incompatible one. + Warn about character code 256, too. + +2002-04-03 Paul Eggert <eggert@twinsun.com> + + * src/bison.data (YYSTACK_ALLOC): Depend on whether + YYERROR_VERBOSE is nonzero, not whether it is defined. + + Merge changes from bison-1_29-branch. + +2002-03-20 Paul Eggert <eggert@twinsun.com> + + Merge fixes from Debian bison_1.34-1.diff. + + * configure.in (AC_PREREQ): 2.53. + +2002-03-20 Akim Demaille <akim@epita.fr> + + * src/conflicts.c (log_resolution): Argument `resolution' is const. + +2002-03-19 Paul Eggert <eggert@twinsun.com> + + * src/bison.simple (YYCOPY): New macro. + (YYSTACK_RELOCATE): Use it. + Remove Type arg; no longer needed. All callers changed. + (yymemcpy): Remove; no longer needed. + + * Makefile.am (AUTOMAKE_OPTIONS): 1.6. + * doc/Makefile.am (AUTOMAKE_OPTIONS): Remove. + +2002-03-19 Akim Demaille <akim@epita.fr> + + Test and fix the #line outputs. + + * tests/atlocal.at (GCC): New. + * tests/synclines.at (AT_TEST_SYNCLINE): New macro. + (Prologue synch line, ,%union synch line, Postprologue synch line) + (Action synch line, Epilogue synch line): New tests. + * src/reader.c (parse_union_decl): Define the muscle stype_line. + * data/bison.simple, data/bison.c++: Use it. + +2002-03-19 Akim Demaille <akim@epita.fr> + + * tests/regression.at (%nonassoc and eof, Unresolved SR Conflicts) + (Solved SR Conflicts, %expect not enough, %expect right) + (%expect too much): Move to... + * tests/conflicts.at: this new file. + +2002-03-19 Akim Demaille <akim@epita.fr> + + * data/m4sugar/m4sugar.m4: Update from CVS Autoconf. + * data/bison.simple, data/bison.c++: Handle the `#define' part, so + that we can move to enums for instance. + * src/output.c (token_definitions_output): Output a list of + `token-name, token-number' instead of the #define. + (output_skeleton): Name this list `b4_tokens', not `b4_tokendefs'. + +2002-03-14 Akim Demaille <akim@epita.fr> + + Use Gettext 0.11.1. + +2002-03-09 Robert Anisko <robert@lrde.epita.fr> + + * data/bison.c++: Make the user able to add members to the generated + parser by subclassing. + +2002-03-05 Robert Anisko <robert@lrde.epita.fr> + + * src/reader.c (read_additionnal_code): `c' should be an integer, not + a character. + Reported by Nicolas Tisserand and Nicolas Burrus. + +2002-03-04 Robert Anisko <robert@lrde.epita.fr> + + * src/reader.c: Warn about lacking semi-colons, do not complain. + +2002-03-04 Robert Anisko <robert@lrde.epita.fr> + + * data/bison.c++: Remove a debug line. + +2002-03-04 Robert Anisko <robert@lrde.epita.fr> + + * data/bison.c++: Unmerge value as yylval and value as yyval. Unmerge + location as yylloc and location as yyloc. Use YYLLOC_DEFAULT, and + provide a default implementation. + +2002-03-04 Akim Demaille <akim@epita.fr> + + * tests/input.at (Invalid $n, Invalid @n): Add the ending `;'. + * tests/output.at (AT_CHECK_OUTPUT): Likewise. + * tests/headers.at (AT_TEST_CPP_GUARD_H): Ditto. + * tests/semantic.at (Parsing Guards): Similarly. + * src/reader.at (readgram): Complain if the last rule is not ended + with a semi-colon. + +2002-03-04 Akim Demaille <akim@epita.fr> + + * src/warshall.h, src/warshall.c (bitmatrix_print): Move to... + * src/closure.c: here. + (set_firsts): Use bitsetv_reflexive_transitive_closure instead of + RTC. + * src/warshall.h, src/warshall.c: Remove. + * tests/sets.at (Broken Closure): Adjust. + +2002-03-04 Akim Demaille <akim@epita.fr> + + * src/output.c (output_skeleton): tempdir is const. + bytes_read is unused. + +2002-03-04 Akim Demaille <akim@epita.fr> + + * lib/bbitset.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c, + * lib/bitsetv.h, lib/ebitset.c, lib/lbitset.c, lib/sbitset.c: + Update. + From Michael Hayes. + +2002-03-04 Akim Demaille <akim@epita.fr> + + * src/closure.c (closure): `r' is unused. + +2002-03-04 Akim Demaille <akim@epita.fr> + + * tests/sets.at (Broken Closure): Add the ending `;'. + * src/reader.at (readgram): Complain if a rule is not ended with a + semi-colon. + +2002-03-04 Akim Demaille <akim@epita.fr> + + * src/conflicts.c (set_conflicts): Use bitset_disjoint_p. + (count_sr_conflicts): Use bitset_count. + * src/reduce.c (inaccessable_symbols): Ditto. + (bits_size): Remove. + * src/warshall.h, src/warshall.c: Convert to bitsetv. + +2002-03-04 Akim Demaille <akim@epita.fr> + + * src/closure.c, src/conflicts.c, src/lalr.c, src/print.c, + * src/reduce.c: Remove the `bitset_zero's following the + `bitset_create's, as now it is performed by the latter. + +2002-03-04 Akim Demaille <akim@epita.fr> + + * lib/bitset.c, lib/bitset.h, lib/bitsetv.c, lib/bitsetv.h, + * lib/ebitset.c, lib/ebitset.h, lib/lbitset.c, lib/lbitset.h, + * lib/sbitset.c, lib/sbitset.h, lib/bbitset.h: Update from the + latest sources from Michael. + +2002-03-04 Akim Demaille <akim@epita.fr> + + * src/output.c (output): Don't free the grammar. + * src/reader.c (grammar_free): New. + * src/main.c (main): Call it and don't free symtab here. + +2002-03-04 Akim Demaille <akim@epita.fr> + + * src/lex.c (parse_percent_token): Be sure to 0-end token_buffer + before returning. + Reported by Benoit Perrot. + +2002-03-04 Akim Demaille <akim@epita.fr> + + Use bitset operations when possible, not loops over bits. + + * src/conflicts.c (set_conflicts, count_sr_conflicts): Use + bitset_or. + * src/print.c (print_reductions): Use bitset_and, bitset_andn. + * src/reduce.c (useless_nonterminals): Formatting changes. + * src/warshall.c (TC): Use bitset_or. + +2002-03-04 Akim Demaille <akim@epita.fr> + + * src/lalr.h, src/lalr.c (tokensetsize): Remove, unused. + * src/system.h (BITS_PER_WORD, WORDSIZE, SETBIT, RESETBIT, BITISSET): + Ditto. + +2002-03-04 Akim Demaille <akim@epita.fr> + + * src/lalr.c (F): Now a bitset*. + Adjust all dependencies. + +2002-03-04 Akim Demaille <akim@epita.fr> + + * src/conflicts.c (shiftset, lookaheadset): Now bitset. + Adjust all dependencies. + 2002-03-04 Akim Demaille <akim@epita.fr> * src/L0.c, src/LR0.h (nstates): Be size_t. @@ -6,7 +555,6 @@ bitset*. Adjust all dependencies. - 2002-03-04 Akim Demaille <akim@epita.fr> * src/closure.c (firsts): Now, also a bitset. @@ -19,7 +567,6 @@ * src/print.c: Convert to use bitset.h, not hand coded iterations over ints. - 2002-03-04 Akim Demaille <akim@epita.fr> * src/reduce.c: Convert to use bitset.h, not hand coded BSet. @@ -29,7 +576,6 @@ * src/closure.c (ruleset): Be a bitset. (rulesetsize): Remove. - 2002-03-04 Akim Demaille <akim@epita.fr> * lib/bitset-int.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c, @@ -5663,3 +6209,23 @@ 1987-12-16 Richard Stallman <rms@gnu.org> * REFERENCES: entered into RCS +----- + +Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. + +This file is part of GNU Autoconf. + +GNU Autoconf is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Autoconf is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with autoconf; see the file COPYING. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA.