X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/5e5d541531bda9507136d3c578315a2882d67412..cc9305dd68c95c9d9c279ca2b2d6330078bf664c:/ChangeLog?ds=sidebyside diff --git a/ChangeLog b/ChangeLog index 246bd4fc..09c3479e 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,580 @@ +2002-04-07 Akim Demaille + + 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 + + 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 + + * 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 + + * 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 + + * 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 + + * 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 + + * 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 + + * 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 + + * 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 + + * TODO: Update. + +2002-04-07 Akim Demaille + + * src/output.c, src/reader.c, src/symtab.c, src/symtab.h: Rename + bucket.value as bucket.number. + +2002-04-07 Akim Demaille + + * 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 + + * 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 + + * 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 + + Merge fixes from Debian bison_1.34-1.diff. + + * configure.in (AC_PREREQ): 2.53. + +2002-03-20 Akim Demaille + + * src/conflicts.c (log_resolution): Argument `resolution' is const. + +2002-03-19 Paul Eggert + + * 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 + + 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 + + * 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 + + * 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 + + Use Gettext 0.11.1. + +2002-03-09 Robert Anisko + + * data/bison.c++: Make the user able to add members to the generated + parser by subclassing. + +2002-03-05 Robert Anisko + + * 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 + + * src/reader.c: Warn about lacking semi-colons, do not complain. + +2002-03-04 Robert Anisko + + * data/bison.c++: Remove a debug line. + +2002-03-04 Robert Anisko + + * 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 + + * 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 + + * 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 + + * src/output.c (output_skeleton): tempdir is const. + bytes_read is unused. + +2002-03-04 Akim Demaille + + * 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 + + * src/closure.c (closure): `r' is unused. + +2002-03-04 Akim Demaille + + * 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 + + * 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 + + * 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 + + * 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 + + * 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 + + * src/lex.c (parse_percent_token): Be sure to 0-end token_buffer + before returning. + Reported by Benoit Perrot. + +2002-03-04 Akim Demaille + + 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 + + * 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 + + * src/lalr.c (F): Now a bitset*. + Adjust all dependencies. + +2002-03-04 Akim Demaille + + * src/conflicts.c (shiftset, lookaheadset): Now bitset. + Adjust all dependencies. + +2002-03-04 Akim Demaille + + * src/L0.c, src/LR0.h (nstates): Be size_t. + Adjust comparisons (signed vs unsigned). + * src/conflics.c, src/lalr.c, src/lalr.h, src/output.c (LA): Now a + bitset*. + Adjust all dependencies. + +2002-03-04 Akim Demaille + + * src/closure.c (firsts): Now, also a bitset. + Adjust all dependencies. + (varsetsize): Remove, now unused. + * src/warshall.h, src/warshall.c: Now work on arrays of bitsets. + +2002-03-04 Akim Demaille + + * src/print.c: Convert to use bitset.h, not hand coded iterations + over ints. + +2002-03-04 Akim Demaille + + * src/reduce.c: Convert to use bitset.h, not hand coded BSet. + +2002-03-04 Akim Demaille + + * src/closure.c (ruleset): Be a bitset. + (rulesetsize): Remove. + +2002-03-04 Akim Demaille + + * lib/bitset-int.h, 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: New. + * src/closure.c (fderives): Be an array of bitsets. + +2002-02-28 Robert Anisko + + * data/bison.c++: Merge the two generated headers. Insert a copyright + notice in each output file. + +2002-02-28 Akim Demaille + + * data/bison.c++: Copy the prologue of bison.simple to fetch + useful M4 definitions, such as b4_header_guard. + +2002-02-25 Akim Demaille + + * src/getargs.c (version): Give the name of the authors, and use a + translator friendly scheme for the bgr + copyright notice. + +2002-02-25 Akim Demaille + + * src/output.c (header_output): Remove, now handled completely via + M4. + +2002-02-25 Akim Demaille + + * m4/m4.m4: New, from CVS Autoconf. + * configure.in: Invoke it. + * src/output.c (output_skeleton): Use its result instead of the + hard coded name. + +2002-02-25 Akim Demaille + + * lib/tempname.c, lib/mkstemp.c, m4/mkstemp.m4: New, stolen from + Fileutils 4.1.5. + * configure.in: Invoke UTILS_FUNC_MKSTEMP. + * src/output.c (output_skeleton): Use mkstemp to create a real + temporary file. + Move the filling of `skeleton' and its muscle to... + (prepare): here. + (output): Move the definition of the prologue muscle to... + (prepare): here. + * src/system.h (DEFAULT_TMPDIR): New. + +2002-02-14 Paul Eggert + + Remove the support for C++ namespace cleanliness; it was + causing more problems than it was curing, since it didn't work + properly on some nonstandard C++ compilers. This can wait + for a proper C++ parser. + + * NEWS: Document this. + * doc/bison.texinfo (Bison Parser, Debugging): Remove special mention + of C++, as it's treated like C now. + * src/bison.simple (YYSTD): Remove. + (YYSIZE_T, YYFPRINTF, YYPARSE_PARAM_ARG, YYPARSE_PARAM_DECL): + Treat C++ just like Standard C instead of trying to support + namespace cleanliness. + +2002-02-14 Akim Demaille + + * tests/regression.at (else): Adjust to Andreas' change. + +2002-02-14 Akim Demaille + + * lib/Makefile.am (EXTRA_DIST): Ship strnlen.c. + +2002-02-13 Andreas Schwab + + * src/output.c (output_rule_data): Don't output NULL, it might + not be defined yet. + +2002-02-11 Robert Anisko + + * data/bison.c++ (YYDEBUG, YYERROR_VERBOSE): After the prologue. + (Copyright notice): Update. + +2002-02-11 Akim Demaille + + * tests/regression.at (%nonassoc and eof): Don't include + nonportable headers. + +2002-02-08 Robert Anisko + + * data/bison.c++: Correct error recovery. Make the user able to + initialize the starting location. + +2002-02-07 Akim Demaille + + * tests/input.at: New. + +2002-02-07 Robert Anisko + + * data/bison.c++: Replace some direct m4 expansions by constants. Be + more consistent when naming methods and variables. Put preprocessor + directives around tables only needed for debugging. + +2002-02-07 Robert Anisko + + * data/bison.c++ (yy::b4_name::print_): New method, replaces yyprint in + C++ parsers. + (yy::b4_name::parse): Use print_. + +2002-02-07 Robert Anisko + + * data/bison.c++ (yy::b4_name::parse): Error recovery is back. + +2002-02-07 Robert Anisko + + * data/bison.c++ (yy::b4_name::error_): New method, replaces yyerror in + C++ parsers. + (yy::b4_name::parse): Build verbose error messages, and use error_. + +2002-02-06 Robert Anisko + + * data/bison.c++: Fix m4 quoting in comments. + +2002-02-06 Robert Anisko + + * data/bison.c++: Adjust the parser code. Fix some muscles that were + not expanded by m4. + +2002-02-05 Akim Demaille + + * data/bison.c++: Adjust to the M4 back end. + More is certainly needed. + +2002-02-05 Akim Demaille + + Give a try to M4 as a back end. + + * lib/readpipe.c: New, from wdiff. + * src/Makefile.am (DEFS): Define PKGDATADIR, not BISON_SIMPLE and + BISON_HAIRY. + * src/system.h (BISON_HAIRY, BISON_SIMPLE): Remove the DOS and VMS + specific values. Now it is m4 that performs the lookup. + * src/parse-skel.y: Remove. + * src/muscle_tab.c, src/muscle_tab.h (muscles_m4_output): New. + * src/output.c (actions_output, guards_output) + (token_definitions_output): No longer keeps track of the output + line number, hence remove the second argument. + (guards_output): Check against the guard member of a rule, not the + action member. + Adjust callers. + (output_skeleton): Don't look for the skeleton location, let m4 do + that. + Create `/tmp/muscles.m4'. This is temporary, a proper temporary + file will be used. + Invoke `m4' on m4sugar.m4, muscles.m4, and the skeleton. + (prepare): Given that for the time being changesyntax is not + usable in M4, rename the muscles using `-' to `_'. + Define `defines_flag', `output_parser_name' and `output_header_name'. + * src/output.h (actions_output, guards_output) + (token_definitions_output): Adjust prototypes. + * src/scan-skel.l: Instead of scanning the skeletons, it now + processes the output of m4: `__oline__' and `#output'. + * data/bison.simple: Adjust to be used by M4(sugar). + * tests/Makefile.am: Use check_SCRIPTS to make sure `bison' is up + to date. + * tests/bison.in: Use the secrete envvar `BISON_PKGDATADIR' + instead of the dead `BISON_SIMPLE' and `BISON_HAIRY'. + * data/m4sugar/m4sugar.m4, data/m4sugar/version.m4: New, + shamelessly stolen from CVS Autoconf. + +2002-02-05 Akim Demaille + + * lib/hash.c, lib/hash.h: Replace with Fileutils 4.1's version. + * configure.in: Check for the declarations of free and malloc. + * src/muscle_tab.c: Adjust. + +2002-02-05 Akim Demaille + + * src/muscle_tab.c (muscle_init): Don't default to NULL muscle + which have no values. + +2002-02-05 Akim Demaille + + * src/bison.simple, src/bison.hairy, src/bison.c++: Move to... + * data/: here. + +2002-01-29 Paul Eggert + + * src/bison.simple (YYSIZE_T): Do not define merely because + YYSTACK_USE_ALLOCA is nonzero or alloca or _ALLOCA_H are defined. + On some platforms, does not declare YYSTD (size_t). + +2002-01-27 Akim Demaille + + Fix `%nonassoc and eof'. + + * src/state.c (errs_dup): Aaaah! The failure was due to bytes + which were not properly copied! Replace + memcpy (res->errs, src->errs, src->nerrs); + with + memcpy (res->errs, src->errs, src->nerrs * sizeof (src->errs[0])); + !!! + * tests/regression.at (%nonassoc and eof): Adjust to newest + Autotest: `.' is not in the PATH. + +2002-01-27 Akim Demaille + + * tests/sets.at (AT_EXTRACT_SETS): New. + (Nullable): Use it. + (Firsts): New. + +2002-01-26 Akim Demaille + + * tests/actions.at, tests/calc.at, tests/headers.at, + * tests/torture.at: Adjust to the newest Autotest which no longer + forces `.' in the PATH. + +2002-01-25 Akim Demaille + + * tests/regression.at (%nonassoc and eof): New. + Suggested by Robert Anisko. + +2002-01-24 Akim Demaille + + Bison dumps core when trying to complain about broken input files. + Reported by Cris van Pelt. + + * src/lex.c (parse_percent_token): Be sure to set token_buffer. + * tests/regression.at (Invalid input: 1, Invalid input: 2): Merge + into... + (Invalid inputs): Strengthen: exercise parse_percent_token. + +2002-01-24 Robert Anisko + + * src/Makefile.am: Add bison.c++. + * src/bison.c++: New skeleton. + +2002-01-21 Paolo Bonzini + + * po/it.po: New. + +2002-01-21 Kees Zeelenberg + + * src/files.c (skeleton_find) [MSDOS]: Fix cp definition. + +2002-01-20 Marc Autret + + * src/files.c (compute_output_file_names): Fix + 2002-01-20 Marc Autret * tests/output.at: New test. @@ -7,7 +584,7 @@ 2002-01-20 Marc Autret - * src/system.h: Need to define __attribute__ away for non-GCC + * src/system.h: Need to define __attribute__ away for non-GCC compilers as well (i.e. the vendor C compiler). Suggested by Albert Chin-A-Young.