X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/d38d6e7c76cb8b81c0174afb7a401649e199aeb9..7093d0f541b397fb279c21c50e21d58985a4fded:/ChangeLog diff --git a/ChangeLog b/ChangeLog index eb25c518..164460e5 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,340 @@ +2001-11-29 Paul Eggert + + Name space cleanup in generated parser. + + * doc/bison.texinfo (Bison Parser): Discuss system headers + and their effect on the user name space. + + * src/bison.simple: + (YYSTACK_ALLOC, YYSTACK_FREE, union yyalloc, YYSTACK_GAP_MAX, + YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define unless necessary, + i.e. unless ! defined (yyoverflow) || defined (YYERROR_VERBOSE). + + (YYSIZE_T): New macro. Use it instead of size_t, to avoid infringing + on user names when possible. + + (YYSTACK_USE_ALLOCA): Do not define; just use any existing defn. + Simplify test for whather exists. + + (): Include if we will use malloc, and if standard C or C++. + + (): Include if YYDEBUG. + + (yymemcpy): Renamed from __yy_memcpy. Do not define unless + ! defined (yyoverflow) && ! defined (yymemcpy). + + (yymemcpy, yyparse): Rename local variables as needed so that + they all begin with 'yy'. + + (yystrlen, yystpcpy): New functions. + + (YY_DECL_NON_LSP_VARIABLES): Renamed from _YY_DECL_VARIABLES. + All uses changed. + + (yyparse): size_t -> YYSIZE_T. Use yystrlen and yystpcpy + instead of relying on string.h functions. Use YYSTACK_ALLOC + and YYSTACK_FREE instead of malloc and free. + +2001-11-30 Akim Demaille + + * src/bison.simple (YYSTYPE, YYLTYPE): Move their definitions + before their first uses. + (YYBISON, YYPURE): Move to the top of the output. + +2001-11-30 Akim Demaille + + * tests/reduce.at (Useless Nonterminals): Fix. + +2001-11-30 Akim Demaille + + * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty + if body instead of `;' to pacify GCC's warnings. + +2001-11-30 Akim Demaille + + Instead of mapping the LHS of unused rules to -1, keep the LHS + valid, but flag the rules as invalid. + + * src/gram.h (rule_t): `useful' is a new member. + * src/print.c (print_grammar): Adjust. + * src/derives.c (set_derives): Likewise. + * src/reader.c (packgram, reduce_output): Likewise. + * src/reduce.c (reduce_grammar_tables): Likewise. + * tests/reduce.at (Underivable Rules, Useless Rules): New. + +2001-11-30 Akim Demaille + + * src/reduce.c (reduce_output): Formatting changes. + * src/print.c (print_results, print_grammar): Likewise. + * tests/regression.at (Rule Line Numbers) + (Solved SR Conflicts, Unresolved SR Conflicts): Adjust. + +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. @@ -50,7 +387,7 @@ 2001-11-19 Akim Demaille - * src/LR0.c (new_itemsets, get_state): Use more arrays and less + * 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. @@ -102,8 +439,8 @@ 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 @@ -140,12 +477,12 @@ 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. @@ -156,24 +493,24 @@ 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.