X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/300f275f23b65c09f69a437c635c48ddd126f21a..760b53a84bfc0c79bac266414136936400769e33:/ChangeLog diff --git a/ChangeLog b/ChangeLog index f67485eb..afc46aa4 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,337 @@ +2001-11-30 Akim Demaille + + * src/reduce.c (nonterminals_reduce): Instead of throwing away + useless nonterminals, move them at the end of the symbol arrays. + (reduce_output): Adjust. + * tests/reduce.at (Useless Nonterminals): Adjust. + +2001-11-30 Akim Demaille + + * src/reduce.c: Various comment/formatting changes. + (nonterminals_reduce): New, extracted from... + (reduce_grammar_tables): here. + (reduce_grammar): Call nonterminals_reduce. + +2001-11-29 Paul Eggert + + * src/bison.simple (YYSTACK_REALLOC): Remove. + (YYSTACK_ALLOC): Resurrect this macro, with its old meaning. + (YYSTACK_FREE, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE): + New macros. + (union yyalloc): New type. + (__yy_memcpy): Last arg is size_t, not unsigned int, to remove + an arbitrary restriction on hosts where size_t is wider than int. + + (yyparse): Don't dump core if alloca or malloc fails; instead, report + a parser stack overflow. Allocate just one block of memory for all + three stacks, instead of allocating three blocks; this typically is + faster and reduces fragmentation. + + Do not limit the number of items in the stack to a value that fits + in 'int', as this is an arbitrary limit on hosts with 64-bit + size_t and 32-bit int. + +2001-11-29 Marc Autret + + * tests/calc.at [AT_DATA_CALC_Y]: Use %error-verbose instead + of defining YYERROR_VERBOSE. + [AT_DATA]: $4 is now out of C declarations in the prologue. + +2001-11-28 Marc Autret + + * src/reader.c (parse_dquoted_param): New. + (parse_skel_decl): Use it. + * src/lex.h: Add its prototype. + * src/lex.c (literalchar): Become not static. + +2001-11-28 Marc Autret + + * src/output.h: And put its extern declaration here. + * src/output.c (error_verbose): Define here. + (prepare): Echo name modification. + * src/getargs.h: Clean its extern declaration. + * src/getargs.c (error_verbose_flag): Remove. + (getargs): Remove case 'e'. + * src/options.c (option_table): 'error-verbose' is now seen as simple + percent option. + Include output.h. + + * src/reader.c (read_declarations): Remove case tok_include. + (parse_include_decl): Remove. + * src/lex.h (token_t): Remove tok_include. + * src/options.c (option_table): 'include' is now a simple command line + option. + +2001-11-28 Marc Autret + + * src/bison.simple: Adjust muscle names. + * src/muscle_tab.c (muscle_init): Also rename the muscles. + * src/output.c (prepare): s/_/-/ for the muscles names. + (output_parser): When scanning for a muscle, allow '-' instead of '_'. + +2001-11-28 Marc Autret + + * src/bison.simple: Fix debug. + [YYERROR_VERBOSE]: Re-integrate as an internal macro. + +2001-11-28 Akim Demaille + + * src/LR0.c (shifts_new): New. + (save_shifts, insert_start_shift, augment_automaton): Use it. + +2001-11-28 Akim Demaille + + * src/closure.c (closure): `b' and `ruleno' denote the same value: + keep ruleno only. + +2001-11-28 Akim Demaille + + * src/closure.c (closure): Instead of looping over word in array + then bits in words, loop over bits in array. + +2001-11-28 Akim Demaille + + * src/closure.c (closure): No longer optimize the special case + where all the bits of `ruleset[r]' are set to 0, to make the code + clearer. + +2001-11-28 Akim Demaille + + * src/closure.c (closure): `r' and `c' are new variables, used to + de-obfuscate accesses to RULESET and CORE. + +2001-11-28 Akim Demaille + + * src/reduce.c (reduce_print): Use ngettext. + (dump_grammar): Improve the trace accuracy. + +2001-11-28 Akim Demaille + + * src/reduce.c (dump_grammar): Don't translate trace messages. + +2001-11-28 Akim Demaille + + * tests/reduce.at (Useless Terminals, Useless Nonterminals): New. + * src/reduce.c (reduce_grammar_tables): Do not free useless tags, + as all tags are free'ed afterwards. + From Enrico Scholz. + +2001-11-27 Paul Eggert + + * src/bison.simple (YYSTACK_REALLOC): Fix typo that caused us to + use alloca when we didn't want to, and vice versa. + +2001-11-27 Marc Autret + + * src/muscle_tab.c (muscle_init): Remove 'verbose' muscle + initialization. + * src/output.c (prepare): Remove its update. + +2001-11-27 Marc Autret + + * tests/torture.at [AT_DATA]: Remove YYERROR_VERBOSE definition. + Use %error-verbose. + +2001-11-27 Marc Autret + + * src/bison.simple: Remove YYERROR_VERBOSE using. + Use %%error_verbose. + (yyparse): Likewise. + * src/output.c (prepare): Give its final value. + * src/muscle_tab.c (muscle_init): Init new muscle 'error_verbose'. + * src/getargs.h: Add its extern declaration. + * src/getargs.c (error_verbose_flag): New int. + (getargs): Update to catch new case. + * src/options.c (option_table): 'error-verbose' is a new option. + (shortopts): Update. + +2001-11-27 Akim Demaille + + * src/system.h: Use intl/libgettext.h. + * src/Makefile.am (INCLUDES): Add -I $(top_srcdir). + +2001-11-27 Akim Demaille + + * tests/torture.at (Exploding the Stack Size with Malloc): + s/YYSTACK_USE_ALLOCA_ALLOCA/YYSTACK_USE_ALLOCA/. + +2001-11-27 Akim Demaille + + * src/files.c: Include error.h. + Reported by Hans Aberg. + +2001-11-26 Marc Autret + + * src/reader.c (parse_include_decl): New, not yet implemented. + (read_declarations): Add case tok_include. + * src/getargs.h (include): Add its extern definition. + * src/getargs.c (include): New const char *. + (getargs): Add case '-I'. + * src/options.c (option_table): Add include as command line and + percent option. + * src/lex.h (token_t): Add tok_include. + +2001-11-26 Akim Demaille + + * src/reader.c (readgram): Make sure rules for mid-rule actions + have a lineno equal to that of their host rule. + Reported by Hans Aberg. + * tests/regression.at (Rule Line Numbers): New. + +2001-11-26 Akim Demaille + + * src/LR0.c (allocate_itemsets): kernel_size contains ints, not + size_ts. + +2001-11-26 Akim Demaille + + * src/complain.c, src/complain.h (error): Remove, provided by + lib/error.[ch]. + +2001-11-26 Akim Demaille + + * src/reader.c (read_declarations): Don't abort on tok_illegal, + issue an error message. + * tests/regression.at (Invalid %directive): New. + Reported by Hans Aberg. + +2001-11-26 Akim Demaille + + * configure.in: Invoke AC_FUNC_OBSTACK and AC_FUNC_ERROR_AT_LINE. + * lib/Makefile.am (libbison_a_SOURCES): Adjust. + +2001-11-26 Akim Demaille + + * src/conflicts.c (conflicts_print): Don't complain at all when + there are no reduce/reduce conflicts, and as many shift/reduce + conflicts as expected. + * tests/regression.at (%expect right): Adjust. + +2001-11-23 Akim Demaille + + * lib/alloca.c: Update, from fileutils. + +2001-11-23 Akim Demaille + + * lib/Makefile.am (libbison_a_LIBADD): Add @ALLOCA@. + +2001-11-23 Akim Demaille + + * src/system.h: Include alloca.h. + * src/main.c (main) [C_ALLOCA]: Call alloca (0). + +2001-11-23 Akim Demaille + + * src/print_graph.c (print_actions): Remove `rule', unused. + * src/LR0.c (kernel_size): Contain `int' instead of `size_t' to + pacify GCC's signed < unsigned warnings. + * src/closure.c (itemsetsize): Likewise. + * src/reader.c (symbol_list_new): Static. + +2001-11-23 Akim Demaille + + Attaching lineno to buckets is stupid, since only one copy of each + symbol is kept, only the line of the first occurrence is kept too. + + * src/symtab.h, src/symtab.c (bucket): Remove the line member. + * src/reader.c (rline_allocated): Remove, unused. + (symbol_list): Have a `line' member. + (symbol_list_new): New. + (readgram): Use it. + * src/print.c (print_grammar): Output the rule line numbers. + * tests/regression.at (Solved SR Conflicts) + (Unresolved SR Conflicts): Adjust. + Reported by Hans Aberg. + +2001-11-22 Marc Autret + + * src/bison.simple [YYERROR_VERBOSE]: Force its value to be 1 or 0. + +2001-11-22 Marc Autret + + * src/muscle_tab.c (muscle_init): Remove initialization of + skeleton muscle. + * src/output.c (output_master_parser): Do it here. + +2001-11-20 Akim Demaille + + * po/sv.po: New. + * configure.in (ALL_LINGUAS): Adjust. + * po/POTFILE.in: Remove `nullable.c' and `derives.c' which no + longer contains strings to translate. + +2001-11-19 Akim Demaille + + * src/conflicts.c (conflicts_print): Add a missing \n. + +2001-11-19 Akim Demaille + + * src/nullable.c (nullable_print): New. + (set_nullable): Call it when tracing. + Better locality of variables. + +2001-11-19 Akim Demaille + + * src/print.c (print_actions): Better locality of variables. + +2001-11-19 Akim Demaille + + * src/derives.c (print_derives): Fix and enrich. + * src/closure.c (print_fderives): Likewise. + +2001-11-19 Akim Demaille + + * src/closure.c (itemsetend): Remove, replaced with... + (itemsetsize): new. + +2001-11-19 Akim Demaille + + * src/LR0.c (kernel_end): Remove, replaced with... + (kernel_size): new. + +2001-11-19 Akim Demaille + + * src/conflicts.c (set_conflicts): Use arrays instead of pointers + to clarify. + +2001-11-19 Akim Demaille + + * src/closure.c (closure): Use arrays instead of pointers to clarify. + +2001-11-19 Akim Demaille + + * src/closure.c, src/derives.c, src/nullable.c: Adjust various + trace messages. + * src/LR0.c: Likewise. + (allocate_itemsets): Use arrays instead of pointers to clarify. + +2001-11-19 Akim Demaille + + * src/getargs.c (statistics_flag): Replace with... + (trace_flag): New. + (longopts): Accept --trace instead of --statistics. + * src/getargs.h, src/options.c: Adjust. + * src/LR0.c, src/closure.c, src/derives.c, src/nullable.c, + * src/reduce.c: Use trace_flags instead of the CPP conditional TRACE. + +2001-11-19 Akim Demaille + + * src/LR0.c (new_itemsets, get_state): Use more arrays and fewer + pointers to clarify the code. + (save_reductions, save_shifts): Factor common parts of alternatives. + +2001-11-19 Akim Demaille + + * src/LR0.c (new_state, get_state): Complete TRACE code. + * src/closure.c: Include `reader.h' to get `tags', needed by the + trace code. + Rename the conditional DEBUG as TRACE. + Output consistently TRACEs to stderr, not stdout. + * src/derives.c: Likewise. + * src/reduce.c: (inaccessable_symbols): Using if is better style + than goto. + Use `#if TRACE' instead of `#if 0' for tracing code. + 2001-11-19 Akim Demaille * src/system.h (LIST_FREE, shortcpy): New. @@ -5,7 +339,6 @@ * src/output.c (free_itemsets, free_reductions, free_shifts): Remove, replaced by LIST_FREE. - 2001-11-19 Akim Demaille * src/state.h (CORE_ALLOC, SHIFTS_ALLOC, ERRS_ALLOC) @@ -13,13 +346,11 @@ * src/LR0.c, src/conflicts.c: Use them to de-obfuscate memory allocation. - 2001-11-19 Akim Demaille * src/LR0.c (new_state): Complete trace code. * src/nullable.c (set_nullable): Don't translate traces. - 2001-11-19 Akim Demaille * src/print_graph.c (print_core): Better locality of variables. @@ -33,12 +364,12 @@ (print_actions): Don't output the actions as part of the nodes, since that's the job of the edges. (print_state): Don't output by hand: fill the node description, - and ask for its output. + and ask for its output. 2001-11-19 Akim Demaille - * src/bison.simple (yyparse): When reporting verbosely an error, - no longer issue additional quotes around token names. + * src/bison.simple (yyparse): When verbosely reporting an error, + no longer put additional quotes around token names. * tests/calc.at: Adjust. 2001-11-19 Akim Demaille @@ -47,7 +378,6 @@ * src/reader.c (record_rule_lines, rline, rline_allocated): Remove. * src/output.c: Adjust. - 2001-11-19 Akim Demaille * src/gram.h (rprec, rprecsym, rassoc): Remove, now part of... @@ -63,7 +393,6 @@ * src/lalr.c, src/nullable.c, src/output.c, src/print.c, * src/reader.c, src/reduce.c: Adjust. - 2001-11-19 Akim Demaille * src/reader.c (symbols_output): New, extracted from... @@ -77,12 +406,12 @@ 2001-11-19 Akim Demaille - * src/lalr.c (F): New macro to access to the variable F. + * src/lalr.c (F): New macro to access the variable F. Adjust. 2001-11-19 Akim Demaille - * src/lalr.h (LA): New macro to access to the variable LA. + * src/lalr.h (LA): New macro to access the variable LA. * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c: * src/lalr.c: Adjust. @@ -91,32 +420,30 @@ * src/lalr.c (initialize_LA): Only initialize LA. Let... (set_state_table): handle the `lookaheads' members. - 2001-11-19 Akim Demaille - * src/lalr.h (lookaheads): Removed array, which contents is now - member of... + * src/lalr.h (lookaheads): Removed array, whose contents is now + a member of... (state_t): this structure. * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c: Adjust. 2001-11-19 Akim Demaille - * src/lalr.h (consistent): Removed array, which contents is now - member of... + * src/lalr.h (consistent): Removed array, whose contents is now + a member of... (state_t): this structure. * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c: Adjust. 2001-11-19 Akim Demaille - * src/lalr.h (reduction_table, shift_table): Removed arrays, which - contents is now members of... + * src/lalr.h (reduction_table, shift_table): Removed arrays, whose + contents are now members of... (state_t): this structure. * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c: Adjust. - 2001-11-19 Akim Demaille * src/lalr.h (state_t): New.