X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/b68e774421d1896baa27a022842b0fc62c2f06ed..e2742e46ba337f2717a6cd9cfde62bace920e468:/ChangeLog?ds=inline diff --git a/ChangeLog b/ChangeLog index df10e43f..0054e8f1 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,279 @@ +2002-01-03 Akim Demaille + + * src/parse-skel.y (process_skeleton): Don't bind the parser's + tracing code to --trace, wait for a better --trace option, with + args. + +2002-01-03 Akim Demaille + + * src/bison.simple (YYSTDERR): Remove, replace `stderr'. + The ISO C++ standard is extremely clear about it: stderr is + considered a macro, not a regular symbol (see table 94 `Header + synopsis', [lib.c.files] 27.8.2 C Library files). + Therefore std:: does not apply to it. It still does with fprintf. + Also, s/cstdio.h/cstdio/. + +2002-01-03 Akim Demaille + + * lib/quotearg.c: Use `#include "..."' instead of `#include <...>' + for non system headers. + +2002-01-02 Akim Demaille + + Equip the skeleton chain with location tracking, runtime trace, + pure parser and scanner. + + * src/parse-skel.y: Request a pure parser, locations, and prefix + renaming. + (%union): Having several members with the same type does not help + type mismatches, simplify. + (YYPRINT, yyprint): New. + (yyerror): ``Rename'' (there is a #define yyerror skel_error) as... + (skel_error): this. + Handle locations. + * src/scan-skel.l: Adjust to these changes. + * src/skeleton.h (LOCATION_RESET, LOCATION_LINES, LOCATION_STEP) + (LOCATION_PRINT, skel_control_t): New. + +2001-12-30 Akim Demaille + + * src/parse-skel.y: Get rid of the shift/reduce conflict: + replace `gb' with BLANKS. + * src/scan-skel.l: Adjust. + + +2001-12-30 Akim Demaille + + * src/system.h: We don't need nor want bcopy. + Throw away MS-DOS crap: we don't need getpid. + * configure.in: We don't need strndup. It was even causing + problems: because Flex includes the headers *before* us, + _GNU_SOURCE is not defined by config.h, and therefore strndup was + not visible. + * lib/xstrndup.c: New. + * src/scan-skel.l: Use it. + Be sure to initialize yylval.muscle member when scanning a MUSCLE. + * src/parse-skel.y: Use %directives instead of #defines. + + +2001-12-30 Akim Demaille + + * src/skeleton.h: New. + * src/output.c (output_parser, output_master_parser): Remove, dead + code. + * src/output.h (get_lines_number, actions_output, guards_output) + (token_definitions_output): Prototype them. + * src/parse-skel.y: Add the license notice. + Include output.h and skeleton.h. + (process_skeleton): Returns void, and takes a single parameter. + * src/scan-skel.l: Add the license notice. + Include skeleton.h. + Don't use %option yylineno: it seems that then Flex imagines + REJECT has been used, and therefore it won't reallocate its + buffers (which makes no other sense to me than a bug). It results + in warnings for `unused: yy_flex_realloc'. + + to guess if the generated parsers should have '.tab' in their + * src/Makefile.am (bison_SOURCES): Add scan-skel.l and + +2001-12-30 Robert Anisko + + * src/muscle_tab.h (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING) + (MUSCLE_INSERT_PREFIX): ...to there. + * src/output.c (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING) + (MUSCLE_INSERT_PREFIX): Move from here... + + * src/bison.hairy: Add a section directive. Put braces around muscle + names. This parser skeleton is still broken, but Bison should not + choke on a bad muscle 'syntax'. + * src/bison.simple: Add a section directive. Put braces around muscle + names. + + * src/files.h (strsuffix, stringappend): Add declarations. + (tab_extension): Add declaration. + (short_base_name): Add declaration. + + * src/files.c (strsuffix, stringappend): No longer static. These + functions are used in the skeleton parser. + (tab_extension): New. + (compute_base_names): Use the computations done in this function + to guess if the generated parsers should have '.tab' in their + names. + (short_base_name): No longer static. + + * src/output.c (output_skeleton): New. + (output): Disable call to output_master_parser, and give a try to + a new skeleton handling system. + (guards_output, actions_output): No longer static. + (token_definitions_output, get_lines_number): No longer static. + + * configure.in: Use AM_PROG_LEX and AC_PROG_YACC. + + * src/Makefile.am (bison_SOURCES): Add scan-skel.l and + parse-skel.y. + + * src/parse-skel.y: New file. + * src/scan-skel.l: New file. + +2001-12-29 Akim Demaille + + %name-prefix is broken. + + * src/files.c (spec_name_prefix): Initialize to NULL, not to "yy". + Adjust all dependencies. + * tests/headers.at (export YYLTYPE): Strengthen this test: use + %name-prefix. + + Renaming yylval but not yylloc is not consistent. Now we do. + + * src/bison.simple: Prefix yylloc if used. + * doc/bison.texinfo (Decl Summary): Document that. + +2001-12-29 Akim Demaille + + * doc/bison.texinfo: Promote `%long-directive' over + `%long_directive'. + Remove all references to fixed-output-files, yacc is enough. + +2001-12-29 Akim Demaille + + * src/bison.simple: Define YYDEBUG and YYERROR_VERBOSE *after* the + user prologue. These are defaults. + * tests/actions.at (Mid-rule actions): Make sure the user can + define YYDEBUG and YYERROR_VERBOSE. + +2001-12-29 Akim Demaille + + * src/output.c (header_output): Don't forget to export YYLTYPE and + yylloc. + * tests/headers.at (export YYLTYPE): New, make sure it does. + * tests/regression.at (%union and --defines, Invalid CPP headers): + Move to... + * tests/headers.at: here. + +2001-12-29 Akim Demaille + + * src/gram.h (rule_s): Member `assoc' is of type `associativity'. + +2001-12-29 Akim Demaille + + * tests/actions.at (Mid-rule actions): Output on a single line + instead of several. + +2001-12-29 Akim Demaille + + * doc/bison.texinfo: Formatting changes. + +2001-12-29 Akim Demaille + + Don't store the token defs in a muscle, just be ready to output it + on command. Now possible via `symbols'. Fixes a memory leak. + + * src/output.c (token_definitions_output): New. + (output_parser, header_output): Use it. + * src/reader.c (symbols_save): Remove. + +2001-12-29 Akim Demaille + + * src/bison.simple: Do not provide a default for YYSTYPE and + YYLTYPE before the user's prologue. Otherwise it's hardly... a + default. + +2001-12-29 Akim Demaille + + Mid-rule actions are simply... ignored! + + * src/reader.c (readgram): Be sure to attach mid-rule actions to + the empty-rule associated to the dummy symbol, not to the host + rule. + * tests/actions.at (Mid-rule actions): New. + +2001-12-29 Akim Demaille + + Memory leak. + + * src/reader.c (reader): Free grammar. + +2001-12-29 Akim Demaille + + Memory leak. + + * src/LR0.c (new_itemsets): Don't allocate `shift_symbol' here, + since it allocates it for each state, although only one is needed. + (allocate_storage): Do it here. + +2001-12-29 Akim Demaille + + * src/options.h, src/options.c (create_long_option_table): Rename + as... + (long_option_table_new): this, with a clearer prototype. + (percent_table): Remove, unused, + * src/getargs.c (getargs): Adjust. + +2001-12-29 Akim Demaille + + * src/LR0.c, src/conflicts.c, src/lalr.c, src/lalr.h, src/output.c + * src/print.c, src/print_graph.c, src/state.h: Rename state_table + as states. + +2001-12-29 Akim Demaille + + * src/lalr.c (build_relations): Rename `states' as `states1'. + Sorry, I don't understand exactly what it is, no better name... + +2001-12-29 Akim Demaille + + * src/closure.c, src/conflicts.c, src/derives.c, src/gram.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: Rename rule_table + as rules. + +2001-12-29 Akim Demaille + + * src/gram.c (rprec, rprecsym, rassoc): Remove, unused since long + ago. + +2001-12-29 Akim Demaille + + * src/reader.c, src/reader.h (user_toknums): Remove. + Adjust all users to use symbols[i]->user_token_number. + +2001-12-29 Akim Demaille + + * src/gram.c, src/gram.h (sprec, sassoc): Remove. + Adjust all users to use symbols[i]->prec or ->assoc. + +2001-12-29 Akim Demaille + + * src/reader.c, src/reader.h (tags): Remove. + Adjust all users to use symbols[i]->tag. + +2001-12-29 Akim Demaille + + * src/gram.h, src/gram.c (symbols): New, similar to state_table + and rule_table. + * src/reader.c (packsymbols): Fill this table. + Drop sprec. + * src/conflicts.c (resolve_sr_conflict): Adjust. + * src/reduce.c (reduce_grammar): Adjust: just sort symbols, a + single table. + Use symbols[i]->tag instead of tags[i]. + +2001-12-29 Akim Demaille + + * tests/calc.at (_AT_DATA_CALC_Y): Also use %union. + In addition, put a comment in there, to replace... + * tests/regression.at (%union and C comments): Remove. + +2001-12-29 Akim Demaille + + * tests/regression.at (Web2c Actions): Blindly move the actual + output as expected output. The contents *seem* right to me, but I + can't pretend reading perfectly parser tables... Nonetheless, all + the other tests pass correctly, the table look OK, even though the + presence of `$axiom' is to be noted: AFAICS it is useless (but + harmless). + 2001-12-29 Akim Demaille * src/reader.c (readgram): Don't add the rule 0 if there were no @@ -5,13 +281,11 @@ grammar sanity checks. Fixes the `tests/regression.at (Invalid input: 1)' Failure. - 2001-12-29 Akim Demaille * tests/regression.at (Web2c Report): Catch up: the rule 0 is now visible, and some states have now a different number. - 2001-12-29 Akim Demaille * src/reader.c (readgram): Bind the initial rule's lineno to that @@ -19,7 +293,6 @@ * tests/regression.at (Rule Line Numbers, Unresolved SR Conflicts): (Solved SR Conflicts): Adjust rule 0's line number. - 2001-12-29 Akim Demaille Fix the `GAWK Grammar' failure. @@ -33,7 +306,6 @@ * tests/regression.at (Rule Line Numbers): Adjust: state 0 does have a reduction on $default. - 2001-12-29 Akim Demaille * src/gram.c (ritem_print): Be sure to subtract 1 when displaying @@ -50,7 +322,6 @@ * tests/sets.at (Nullable): Adjust: when tracing, the lookaheads are dumped. - 2001-12-29 Akim Demaille * src/derives.c (print_derives): Be sure to use `>= 0', not `> 0', @@ -63,7 +334,6 @@ * tests/sets.at (Nullable): Adjust. Fortunately, now, the $axiom is no longer nullable. - 2001-12-29 Akim Demaille * src/LR0.c (generate_states): Use nritems, not nitems, nor using