X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/e436fa677c748f52929996590d3e46b5f984d6dc..56f8d560888c22e2788244066478a3e92334f633:/data/yacc.c diff --git a/data/yacc.c b/data/yacc.c index 56be747a..5b5b1bc4 100644 --- a/data/yacc.c +++ b/data/yacc.c @@ -85,7 +85,7 @@ m4_define([b4_yacc_pure_if], # Arguments passed to yyerror: user args plus yylloc. m4_define([b4_yyerror_args], [b4_yacc_pure_if([b4_locations_if([&yylloc, ])])dnl -m4_ifset([b4_parse_param], [b4_c_args(b4_parse_param), ])]) +m4_ifset([b4_parse_param], [b4_args(b4_parse_param), ])]) # b4_lex_param @@ -229,36 +229,37 @@ m4_define([b4_declare_parser_state_variables], [b4_pure_if([[ # b4_declare_yyparse_push_ # ------------------------ +# Declaration of yyparse (and dependencies) when using the push parser +# (including in pull mode). m4_define([b4_declare_yyparse_push_], -[[typedef struct ]b4_prefix[pstate ]b4_prefix[pstate; +[[#ifndef YYPUSH_MORE_DEFINED +# define YYPUSH_MORE_DEFINED enum { YYPUSH_MORE = 4 }; -]b4_pull_if([b4_c_function_decl([b4_prefix[parse]], [[int]], b4_parse_param) -])b4_c_function_decl([b4_prefix[push_parse]], [[int]], - [[b4_prefix[pstate *yyps]], [[yyps]]]b4_pure_if([, - [[[int yypushed_char]], [[yypushed_char]]], - [[[YYSTYPE const *yypushed_val]], [[yypushed_val]]]b4_locations_if([, - [[[YYLTYPE const *yypushed_loc]], [[yypushed_loc]]]])])m4_ifset([b4_parse_param], [, +#endif + +typedef struct ]b4_prefix[pstate ]b4_prefix[pstate; + +]b4_pull_if([b4_function_declare([b4_prefix[parse]], [[int]], b4_parse_param) +])b4_function_declare([b4_prefix[push_parse]], [[int]], + [[b4_prefix[pstate *ps]], [[ps]]]b4_pure_if([, + [[[int pushed_char]], [[pushed_char]]], + [[b4_api_PREFIX[STYPE const *pushed_val]], [[pushed_val]]]b4_locations_if([, + [[b4_api_PREFIX[LTYPE const *pushed_loc]], [[pushed_loc]]]])])m4_ifset([b4_parse_param], [, b4_parse_param])) -b4_pull_if([b4_c_function_decl([b4_prefix[pull_parse]], [[int]], - [[b4_prefix[pstate *yyps]], [[yyps]]]m4_ifset([b4_parse_param], [, +b4_pull_if([b4_function_declare([b4_prefix[pull_parse]], [[int]], + [[b4_prefix[pstate *ps]], [[ps]]]m4_ifset([b4_parse_param], [, b4_parse_param]))]) -b4_c_function_decl([b4_prefix[pstate_new]], [b4_prefix[pstate *]], +b4_function_declare([b4_prefix[pstate_new]], [b4_prefix[pstate *]], [[[void]], []]) -b4_c_function_decl([b4_prefix[pstate_delete]], [[void]], - [[b4_prefix[pstate *yyps]], [[yyps]]])dnl +b4_function_declare([b4_prefix[pstate_delete]], [[void]], + [[b4_prefix[pstate *ps]], [[ps]]])dnl ]) # b4_declare_yyparse_ # ------------------- # When not the push parser. m4_define([b4_declare_yyparse_], -[[#ifdef YYPARSE_PARAM -]b4_c_function_decl(b4_prefix[parse], [int], - [[void *YYPARSE_PARAM], [YYPARSE_PARAM]])[ -#else /* ! YYPARSE_PARAM */ -]b4_c_function_decl(b4_prefix[parse], [int], b4_parse_param)[ -#endif /* ! YYPARSE_PARAM */]dnl -]) +[b4_function_declare(b4_prefix[parse], [int], b4_parse_param)]) # b4_declare_yyparse @@ -274,12 +275,14 @@ m4_define([b4_declare_yyparse], # Declaration that might either go into the header (if --defines) # or open coded in the parser body. m4_define([b4_shared_declarations], -[b4_declare_yydebug[ +[b4_cpp_guard_open([b4_spec_defines_file])[ +]b4_declare_yydebug[ ]b4_percent_code_get([[requires]])[ -]b4_token_enums_defines(b4_tokens)[ +]b4_token_enums_defines[ ]b4_declare_yylstype[ ]b4_declare_yyparse[ -]b4_percent_code_get([[provides]])[]dnl +]b4_percent_code_get([[provides]])[ +]b4_cpp_guard_close([b4_spec_defines_file])[]dnl ]) ## -------------- ## @@ -304,7 +307,11 @@ b4_copyright([Bison implementation for Yacc-like parsers in C])[ ]b4_identification b4_percent_code_get([[top]])[]dnl -m4_if(b4_prefix, [yy], [], +m4_if(b4_api_prefix, [yy], [], +[[/* Substitute the type names. */ +#define YYSTYPE ]b4_api_PREFIX[STYPE]b4_locations_if([[ +#define YYLTYPE ]b4_api_PREFIX[LTYPE]])])[ +]m4_if(b4_prefix, [yy], [], [[/* Substitute the variable and function names. */]b4_pull_if([[ #define yyparse ]b4_prefix[parse]])b4_push_if([[ #define yypush_parse ]b4_prefix[push_parse]b4_pull_if([[ @@ -317,8 +324,8 @@ m4_if(b4_prefix, [yy], [], #define yylval ]b4_prefix[lval #define yychar ]b4_prefix[char #define yydebug ]b4_prefix[debug -#define yynerrs ]b4_prefix[nerrs -]b4_locations_if([[#define yylloc ]b4_prefix[lloc]])])[ +#define yynerrs ]b4_prefix[nerrs]b4_locations_if([[ +#define yylloc ]b4_prefix[lloc]])])[ /* Copy the first part of user declarations. */ ]b4_user_pre_prologue[ @@ -333,13 +340,9 @@ m4_if(b4_prefix, [yy], [], # define YYERROR_VERBOSE ]b4_error_verbose_if([1], [0])[ #endif -/* Enabling the token table. */ -#ifndef YYTOKEN_TABLE -# define YYTOKEN_TABLE ]b4_token_table[ -#endif - -]b4_defines_if([[#include "@basename(]b4_spec_defines_file[@)"]], - [b4_shared_declarations])[ +/* In a future release of Bison, this section will be replaced + by #include "@basename(]b4_spec_defines_file[@)". */ +]b4_shared_declarations[ /* Copy the second part of user declarations. */ ]b4_user_post_prologue @@ -357,10 +360,8 @@ typedef unsigned char yytype_uint8; #ifdef YYTYPE_INT8 typedef YYTYPE_INT8 yytype_int8; -#elif ]b4_c_modern[ -typedef signed char yytype_int8; #else -typedef short int yytype_int8; +typedef signed char yytype_int8; #endif #ifdef YYTYPE_UINT16 @@ -380,7 +381,7 @@ typedef short int yytype_int16; # define YYSIZE_T __SIZE_TYPE__ # elif defined size_t # define YYSIZE_T size_t -# elif ! defined YYSIZE_T && ]b4_c_modern[ +# elif ! defined YYSIZE_T # include /* INFRINGES ON USER NAME SPACE */ # define YYSIZE_T size_t # else @@ -403,22 +404,12 @@ typedef short int yytype_int16; #endif /* Suppress unused-variable warnings by "using" E. */ -#if ! defined lint || defined __GNUC__ +#ifdef __GNUC__ # define YYUSE(e) ((void) (e)) #else # define YYUSE(e) /* empty */ #endif -/* Identity function, used to suppress warnings about constant conditions. */ -#ifndef lint -# define YYID(n) (n) -#else -]b4_c_function_def([YYID], [static int], [[int yyi], [yyi]])[ -{ - return yyi; -} -#endif - #if ]b4_lac_if([[1]], [[! defined yyoverflow || YYERROR_VERBOSE]])[ /* The parser invokes alloca or malloc; define the necessary symbols. */]dnl @@ -437,7 +428,7 @@ b4_push_if([], [b4_lac_if([], [[ # define alloca _alloca # else # define YYSTACK_ALLOC alloca -# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS && ]b4_c_modern[ +# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS # include /* INFRINGES ON USER NAME SPACE */ /* Use EXIT_SUCCESS as a witness for stdlib.h. */ # ifndef EXIT_SUCCESS @@ -450,7 +441,7 @@ b4_push_if([], [b4_lac_if([], [[ # ifdef YYSTACK_ALLOC /* Pacify GCC's `empty if-body' warning. */ -# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) # ifndef YYSTACK_ALLOC_MAXIMUM /* The OS might guarantee only one guard page at the bottom of the stack, and a page size can be as small as 4096 bytes. So we cannot safely @@ -474,13 +465,13 @@ b4_push_if([], [b4_lac_if([], [[ # endif # ifndef YYMALLOC # define YYMALLOC malloc -# if ! defined malloc && ! defined EXIT_SUCCESS && ]b4_c_modern[ +# if ! defined malloc && ! defined EXIT_SUCCESS void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ # endif # endif # ifndef YYFREE # define YYFREE free -# if ! defined free && ! defined EXIT_SUCCESS && ]b4_c_modern[ +# if ! defined free && ! defined EXIT_SUCCESS void free (void *); /* INFRINGES ON USER NAME SPACE */ # endif # endif @@ -491,8 +482,8 @@ void free (void *); /* INFRINGES ON USER NAME SPACE */ #if (! defined yyoverflow \ && (! defined __cplusplus \ - || (]b4_locations_if([[defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \ - && ]])[defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + || (]b4_locations_if([[defined ]b4_api_PREFIX[LTYPE_IS_TRIVIAL && ]b4_api_PREFIX[LTYPE_IS_TRIVIAL \ + && ]])[defined ]b4_api_PREFIX[STYPE_IS_TRIVIAL && ]b4_api_PREFIX[STYPE_IS_TRIVIAL))) /* A type that is properly aligned for any stack member. */ union yyalloc @@ -531,7 +522,7 @@ union yyalloc yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ yyptr += yynewbytes / sizeof (*yyptr); \ } \ - while (YYID (0)) + while (0) #endif @@ -550,7 +541,7 @@ union yyalloc for (yyi = 0; yyi < (Count); yyi++) \ (Dst)[yyi] = (Src)[yyi]; \ } \ - while (YYID (0)) + while (0) # endif # endif #endif /* !YYCOPY_NEEDED */ @@ -584,12 +575,12 @@ static const ]b4_int_type_for([b4_translate])[ yytranslate[] = ]b4_translate[ }; -#if YYDEBUG +#if ]b4_api_PREFIX[DEBUG ]b4_integral_parser_table_define([rline], [b4_rline], [YYRLINE[YYN] -- Source line where rule number YYN was defined.])[ #endif -#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE +#if ]b4_api_PREFIX[DEBUG || YYERROR_VERBOSE || ]b4_token_table_flag[ /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. First, the terminals, then, starting at YYNTOKENS, nonterminals. */ static const char *const yytname[] = @@ -629,21 +620,6 @@ static const ]b4_int_type_for([b4_toknum])[ yytoknum[] = #define YYERROR goto yyerrorlab -/* Like YYERROR except do call yyerror. This remains here temporarily - to ease the transition to the new meaning of YYERROR, for GCC. - Once GCC version 2 has supplanted version 1, this can go. However, - YYFAIL appears to be in use. Nevertheless, it is formally deprecated - in Bison 2.4.2's NEWS entry, where a plan to phase it out is - discussed. */ - -#define YYFAIL goto yyerrlab -#if defined YYFAIL - /* This is here to suppress warnings from the GCC cpp's - -Wunused-macros. Normally we don't worry about that warning, but - some users do, and we want to make it easy for users to remove - YYFAIL uses, which will produce warnings from Bison 2.5. */ -#endif - #define YYRECOVERING() (!!yyerrstatus) #define YYBACKUP(Token, Value) \ @@ -662,45 +638,22 @@ do \ yyerror (]b4_yyerror_args[YY_("syntax error: cannot back up")); \ YYERROR; \ } \ -while (YYID (0)) +while (0) #define YYTERROR 1 #define YYERRCODE 256 - -/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. - If N is 0, then set CURRENT to the empty location which ends - the previous symbol: RHS[0] (always defined). */ - +]b4_locations_if([[ +]b4_yylloc_default_define[ #define YYRHSLOC(Rhs, K) ((Rhs)[K]) -#ifndef YYLLOC_DEFAULT -# define YYLLOC_DEFAULT(Current, Rhs, N) \ - do \ - if (YYID (N)) \ - { \ - (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ - (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ - (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ - (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ - } \ - else \ - { \ - (Current).first_line = (Current).last_line = \ - YYRHSLOC (Rhs, 0).last_line; \ - (Current).first_column = (Current).last_column = \ - YYRHSLOC (Rhs, 0).last_column; \ - } \ - while (YYID (0)) -#endif]b4_locations_if([[ - /* YY_LOCATION_PRINT -- Print the location on the stream. This macro was not mandated originally: define only if we know we won't break user code: when these are the locations we know. */ #ifndef YY_LOCATION_PRINT -# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL +# if defined ]b4_api_PREFIX[LTYPE_IS_TRIVIAL && ]b4_api_PREFIX[LTYPE_IS_TRIVIAL # define YY_LOCATION_PRINT(File, Loc) \ fprintf (File, "%d.%d-%d.%d", \ (Loc).first_line, (Loc).first_column, \ @@ -723,11 +676,11 @@ while (YYID (0)) #ifdef YYLEX_PARAM # define YYLEX yylex (]b4_pure_if([&yylval[]b4_locations_if([, &yylloc]), ])[YYLEX_PARAM) #else -# define YYLEX ]b4_c_function_call([yylex], [int], b4_lex_param)[ +# define YYLEX ]b4_function_call([yylex], [int], b4_lex_param)[ #endif /* Enable debugging if requested. */ -#if YYDEBUG +#if ]b4_api_PREFIX[DEBUG # ifndef YYFPRINTF # include /* INFRINGES ON USER NAME SPACE */ @@ -738,7 +691,7 @@ while (YYID (0)) do { \ if (yydebug) \ YYFPRINTF Args; \ -} while (YYID (0)) +} while (0) # define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ do { \ @@ -749,16 +702,16 @@ do { \ Type, Value]b4_locations_if([, Location])[]b4_user_args[); \ YYFPRINTF (stderr, "\n"); \ } \ -} while (YYID (0)) +} while (0) -]b4_yy_symbol_print_generate([b4_c_function_def])[ +]b4_yy_symbol_print_define[ /*------------------------------------------------------------------. | yy_stack_print -- Print the state stack from its BOTTOM up to its | | TOP (included). | `------------------------------------------------------------------*/ -]b4_c_function_def([yy_stack_print], [static void], +]b4_function_define([yy_stack_print], [static void], [[yytype_int16 *yybottom], [yybottom]], [[yytype_int16 *yytop], [yytop]])[ { @@ -775,14 +728,14 @@ do { \ do { \ if (yydebug) \ yy_stack_print ((Bottom), (Top)); \ -} while (YYID (0)) +} while (0) /*------------------------------------------------. | Report that the YYRULE is going to be reduced. | `------------------------------------------------*/ -]b4_c_function_def([yy_reduce_print], [static void], +]b4_function_define([yy_reduce_print], [static void], [[yytype_int16 *yyssp], [yyssp]], [[YYSTYPE *yyvsp], [yyvsp]], b4_locations_if([[[YYLTYPE *yylsp], [yylsp]], @@ -811,17 +764,17 @@ do { \ do { \ if (yydebug) \ yy_reduce_print (yyssp, yyvsp, ]b4_locations_if([yylsp, ])[Rule]b4_user_args[); \ -} while (YYID (0)) +} while (0) /* Nonzero means print parse trace. It is left uninitialized so that multiple parsers can coexist. */ int yydebug; -#else /* !YYDEBUG */ +#else /* !]b4_api_PREFIX[DEBUG */ # define YYDPRINTF(Args) # define YY_SYMBOL_PRINT(Title, Type, Value, Location) # define YY_STACK_PRINT(Bottom, Top) # define YY_REDUCE_PRINT(Rule) -#endif /* !YYDEBUG */ +#endif /* !]b4_api_PREFIX[DEBUG */ /* YYINITDEPTH -- initial size of the parser's stacks. */ @@ -852,7 +805,7 @@ int yydebug; required. Return 1 if memory is exhausted. */ static int yy_lac_stack_realloc (YYSIZE_T *yycapacity, YYSIZE_T yyadd, -#if YYDEBUG +#if ]b4_api_PREFIX[DEBUG char const *yydebug_prefix, char const *yydebug_suffix, #endif @@ -945,7 +898,7 @@ do { \ goto yyerrlab; \ } \ } \ -} while (YYID (0)) +} while (0) /* Discard any previous initial lookahead context because of Event, which may be a lookahead change or an invalidation of the currently @@ -958,7 +911,7 @@ do { \ the parser stacks to try to find a new initial context in which the current lookahead is syntactically acceptable. If it fails to find such a context, it discards the lookahead. */ -#if YYDEBUG +#if ]b4_api_PREFIX[DEBUG # define YY_LAC_DISCARD(Event) \ do { \ if (yy_lac_established) \ @@ -968,7 +921,7 @@ do { \ Event "\n"); \ yy_lac_established = 0; \ } \ -} while (YYID (0)) +} while (0) #else # define YY_LAC_DISCARD(Event) yy_lac_established = 0 #endif @@ -1061,7 +1014,7 @@ yy_lac (yytype_int16 *yyesa, yytype_int16 **yyes, else { if (yy_lac_stack_realloc (yyes_capacity, 1, -#if YYDEBUG +#if ]b4_api_PREFIX[DEBUG " (", ")", #endif yyes, yyesa, &yyesp, yyes_prev)) @@ -1084,7 +1037,7 @@ yy_lac (yytype_int16 *yyesa, yytype_int16 **yyes, # define yystrlen strlen # else /* Return the length of YYSTR. */ -]b4_c_function_def([yystrlen], [static YYSIZE_T], +]b4_function_define([yystrlen], [static YYSIZE_T], [[const char *yystr], [yystr]])[ { YYSIZE_T yylen; @@ -1101,7 +1054,7 @@ yy_lac (yytype_int16 *yyesa, yytype_int16 **yyes, # else /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in YYDEST. */ -]b4_c_function_def([yystpcpy], [static char *], +]b4_function_define([yystpcpy], [static char *], [[char *yydest], [yydest]], [[const char *yysrc], [yysrc]])[ { char *yyd = yydest; @@ -1191,10 +1144,6 @@ yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg, int yycount = 0; /* There are many possibilities here to consider: - - Assume YYFAIL is not used. It's too flawed to consider. See - - for details. YYERROR is fine as it does not invoke this - function. - If this state is a consistent state with a default action, then the only way this function was invoked is if the default action is an error action. In that case, don't check for expected @@ -1268,7 +1217,7 @@ yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg, yysize = yysize1; } }]b4_lac_if([[ -# if YYDEBUG +# if ]b4_api_PREFIX[DEBUG else if (yydebug) YYFPRINTF (stderr, "No expected tokens.\n"); # endif]])[ @@ -1325,7 +1274,7 @@ yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg, } #endif /* YYERROR_VERBOSE */ -]b4_yydestruct_generate([b4_c_function_def])[ +]b4_yydestruct_define[ ]b4_pure_if([], [ @@ -1340,13 +1289,13 @@ struct yypstate static char yypstate_allocated = 0;]])b4_pull_if([ -b4_c_function_def([[yyparse]], [[int]], b4_parse_param)[ +b4_function_define([[yyparse]], [[int]], b4_parse_param)[ { return yypull_parse (YY_NULL]m4_ifset([b4_parse_param], - [[, ]b4_c_args(b4_parse_param)])[); + [[, ]b4_args(b4_parse_param)])[); } -]b4_c_function_def([[yypull_parse]], [[int]], +]b4_function_define([[yypull_parse]], [[int]], [[[yypstate *yyps]], [[yyps]]]m4_ifset([b4_parse_param], [, b4_parse_param]))[ { @@ -1371,7 +1320,7 @@ b4_c_function_def([[yyparse]], [[int]], b4_parse_param)[ do { yychar = YYLEX; yystatus = - yypush_parse (yyps_local]b4_pure_if([[, yychar, &yylval]b4_locations_if([[, &yylloc]])])m4_ifset([b4_parse_param], [, b4_c_args(b4_parse_param)])[); + yypush_parse (yyps_local]b4_pure_if([[, yychar, &yylval]b4_locations_if([[, &yylloc]])])m4_ifset([b4_parse_param], [, b4_args(b4_parse_param)])[); } while (yystatus == YYPUSH_MORE); if (!yyps) yypstate_delete (yyps_local); @@ -1379,7 +1328,7 @@ b4_c_function_def([[yyparse]], [[int]], b4_parse_param)[ }]])[ /* Initialize the parser data structure. */ -]b4_c_function_def([[yypstate_new]], [[yypstate *]])[ +]b4_function_define([[yypstate_new]], [[yypstate *]])[ { yypstate *yyps;]b4_pure_if([], [[ if (yypstate_allocated) @@ -1392,7 +1341,7 @@ b4_c_function_def([[yyparse]], [[int]], b4_parse_param)[ return yyps; } -]b4_c_function_def([[yypstate_delete]], [[void]], +]b4_function_define([[yypstate_delete]], [[void]], [[[yypstate *yyps]], [[yyps]]])[ { #ifndef yyoverflow @@ -1430,7 +1379,7 @@ b4_c_function_def([[yyparse]], [[int]], b4_parse_param)[ | yypush_parse. | `---------------*/ -]b4_c_function_def([[yypush_parse]], [[int]], +]b4_function_define([[yypush_parse]], [[int]], [[[yypstate *yyps]], [[yyps]]]b4_pure_if([, [[[int yypushed_char]], [[yypushed_char]]], [[[YYSTYPE const *yypushed_val]], [[yypushed_val]]]b4_locations_if([, @@ -1442,12 +1391,7 @@ b4_c_function_def([[yyparse]], [[int]], b4_parse_param)[ | yyparse. | `----------*/ -#ifdef YYPARSE_PARAM -]b4_c_function_def([yyparse], [int], - [[void *YYPARSE_PARAM], [YYPARSE_PARAM]])[ -#else /* ! YYPARSE_PARAM */ -]b4_c_function_def([yyparse], [int], b4_parse_param)[ -#endif]])[ +]b4_function_define([yyparse], [int], b4_parse_param)])[ {]b4_pure_if([b4_declare_scanner_communication_variables ])b4_push_if([b4_pure_if([], [[ int yypushed_char = yychar; @@ -1511,23 +1455,22 @@ b4_c_function_def([[yyparse]], [[int]], b4_parse_param)[ yyvsp = yyvs;]b4_locations_if([[ yylsp = yyls; -#if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL +#if defined ]b4_api_PREFIX[LTYPE_IS_TRIVIAL && ]b4_api_PREFIX[LTYPE_IS_TRIVIAL /* Initialize the default location before parsing starts. */ yylloc.first_line = yylloc.last_line = ]b4_location_initial_line[; yylloc.first_column = yylloc.last_column = ]b4_location_initial_column[; #endif]]) m4_ifdef([b4_initial_action],[ -m4_pushdef([b4_at_dollar], [m4_define([b4_at_dollar_used])yylloc])dnl -m4_pushdef([b4_dollar_dollar], [m4_define([b4_dollar_dollar_used])yylval])dnl +b4_dollar_pushdef([m4_define([b4_dollar_dollar_used])yylval], [], + [m4_define([b4_at_dollar_used])yylloc])dnl /* User initialization code. */ b4_user_initial_action -m4_popdef([b4_dollar_dollar])dnl -m4_popdef([b4_at_dollar])])dnl +b4_dollar_popdef[]dnl m4_ifdef([b4_dollar_dollar_used],[[ yyvsp[0] = yylval; ]])dnl m4_ifdef([b4_at_dollar_used], [[ yylsp[0] = yylloc; -]])[ - goto yysetstate; +]])])dnl +[ goto yysetstate; /*------------------------------------------------------------. | yynewstate -- Push a new state, which is found in yystate. | @@ -1783,9 +1726,9 @@ yyreduce: goto yynewstate; -/*------------------------------------. -| yyerrlab -- here on detecting error | -`------------------------------------*/ +/*--------------------------------------. +| yyerrlab -- here on detecting error. | +`--------------------------------------*/ yyerrlab: /* Make sure we have latest lookahead translation. See comments at user semantic actions for why this is necessary. */ @@ -1988,8 +1931,7 @@ yypushreturn:]])[ if (yymsg != yymsgbuf) YYSTACK_FREE (yymsg); #endif - /* Make sure YYID is used. */ - return YYID (yyresult); + return yyresult; } ]b4_epilogue[]dnl @@ -1997,11 +1939,7 @@ b4_defines_if( [@output(b4_spec_defines_file@)@ b4_copyright([Bison interface for Yacc-like parsers in C])[ -]b4_cpp_guard_open([b4_spec_defines_file])[ ]b4_shared_declarations[ -]b4_pure_if([], [[extern YYSTYPE ]b4_prefix[lval; -]b4_locations_if([[extern YYLTYPE ]b4_prefix[lloc;]])])[ -]b4_cpp_guard_close([b4_spec_defines_file])[ ]])dnl b4_defines_if m4_divert_pop(0) m4_popdef([b4_copyright_years])