X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/b0400cc6ef2e204e20964f38fd745e6f65e5c1ed..4517da37570b39a3d4b3f523dd373abe7c622bb0:/data/c.m4?ds=sidebyside diff --git a/data/c.m4 b/data/c.m4 index d6de2a93..d8465107 100644 --- a/data/c.m4 +++ b/data/c.m4 @@ -1,7 +1,7 @@ m4_divert(-1) -*- Autoconf -*- # C M4 Macros for Bison. -# Copyright (C) 2002 Free Software Foundation, Inc. +# Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -15,8 +15,8 @@ m4_divert(-1) -*- Autoconf -*- # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA -# 02111-1307 USA +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301 USA ## ---------------- ## @@ -43,8 +43,8 @@ m4_define([b4_copyright], You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */]) + Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */]) # b4_identification @@ -53,6 +53,9 @@ m4_define([b4_identification], [/* Identify Bison output. */ [#]define YYBISON 1 +/* Bison version. */ +[#]define YYBISON_VERSION "b4_version" + /* Skeleton name. */ [#]define YYSKELETON_NAME b4_skeleton @@ -92,7 +95,26 @@ m4_define_default([b4_parse_param]) m4_define([b4_parse_param], b4_parse_param)) - +# b4_parse_param_for(DECL, FORMAL, BODY) +# --------------------------------------- +# Iterate over the user parameters, binding the declaration to DECL, +# the formal name to FORMAL, and evaluating the BODY. +m4_define([b4_parse_param_for], +[m4_foreach([$1_$2], m4_defn([b4_parse_param]), +[m4_pushdef([$1], m4_fst($1_$2))dnl +m4_pushdef([$2], m4_shift($1_$2))dnl +$3[]dnl +m4_popdef([$2])dnl +m4_popdef([$1])dnl +])]) + +# b4_parse_param_use +# ------------------ +# `YYUSE' all the parse-params. +m4_define([b4_parse_param_use], +[b4_parse_param_for([Decl], [Formal], [ YYUSE (Formal); +])dnl +]) ## ------------ ## ## Data Types. ## @@ -114,12 +136,12 @@ m4_define([b4_int_type], [m4_if(b4_ints_in($@, [0], [255]), [1], [unsigned char], b4_ints_in($@, [-128], [127]), [1], [signed char], - b4_ints_in($@, [0], [65535]), [1], [unsigned short], - b4_ints_in($@, [-32768], [32767]), [1], [short], + b4_ints_in($@, [0], [65535]), [1], [unsigned short int], + b4_ints_in($@, [-32768], [32767]), [1], [short int], m4_eval([0 <= $1]), [1], [unsigned int], - [int])]) + [int])]) # b4_int_type_for(NAME) @@ -135,6 +157,15 @@ m4_define([b4_int_type_for], ## ------------------ ## +# b4_error_verbose_if(IF-TRUE, IF-FALSE) +# -------------------------------------- +# Expand IF-TRUE, if errors are verbose, IF-FALSE otherwise. +m4_define([b4_error_verbose_if], +[m4_if(b4_error_verbose, [1], + [$1], + [$2])]) + + # b4_location_if(IF-TRUE, IF-FALSE) # --------------------------------- # Expand IF-TRUE, if locations are used, IF-FALSE otherwise. @@ -166,6 +197,16 @@ m4_define([b4_token_define], ]) +# b4_token_defines(LIST-OF-PAIRS-TOKEN-NAME-TOKEN-NUMBER) +# ------------------------------------------------------- +# Output the definition of the tokens (if there are) as #defines. +m4_define([b4_token_defines], +[m4_if([$@], [[]], [], +[/* Tokens. */ +m4_map([b4_token_define], [$@])]) +]) + + # b4_token_enum(TOKEN-NAME, TOKEN-NUMBER) # --------------------------------------- # Output the definition of this token as an enum. @@ -173,10 +214,10 @@ m4_define([b4_token_enum], [$1 = $2]) -# b4_token_defines(LIST-OF-PAIRS-TOKEN-NAME-TOKEN-NUMBER) -# ------------------------------------------------------- -# Output the definition of the tokens (if there are) as enums and #define. -m4_define([b4_token_defines], +# b4_token_enums(LIST-OF-PAIRS-TOKEN-NAME-TOKEN-NUMBER) +# ----------------------------------------------------- +# Output the definition of the tokens (if there are) as enums. +m4_define([b4_token_enums], [m4_if([$@], [[]], [], [/* Tokens. */ #ifndef YYTOKENTYPE @@ -189,8 +230,14 @@ m4_map_sep([ b4_token_enum], [, [$@]) }; #endif -m4_map([b4_token_define], [$@]) -]) +])]) + + +# b4_token_enums_defines(LIST-OF-PAIRS-TOKEN-NAME-TOKEN-NUMBER) +# ------------------------------------------------------------- +# Output the definition of the tokens (if there are) as enums and #defines. +m4_define([b4_token_enums_defines], +[b4_token_enums($@)b4_token_defines($@) ]) @@ -204,7 +251,7 @@ m4_map([b4_token_define], [$@]) # ---------------------------------------------------------- # Declare the function NAME. m4_define([b4_c_function_def], -[#if defined (__STDC__) || defined (__cplusplus) +[#if defined (__STDC__) || defined (__C99__FUNC__) || defined (__cplusplus) b4_c_ansi_function_def($@) #else $2 @@ -314,7 +361,6 @@ m4_define([b4_c_arg], ## Synclines. ## ## ----------- ## - # b4_syncline(LINE, FILE) # ----------------------- m4_define([b4_syncline], @@ -322,13 +368,19 @@ m4_define([b4_syncline], [[#]line $1 $2])]) + +## -------------- ## +## User actions. ## +## -------------- ## + # b4_symbol_actions(FILENAME, LINENO, # SYMBOL-TAG, SYMBOL-NUM, # SYMBOL-ACTION, SYMBOL-TYPENAME) # ------------------------------------------------- m4_define([b4_symbol_actions], -[m4_pushdef([b4_dollar_dollar], [yyvalue.$6])dnl -m4_pushdef([b4_at_dollar], [yylocation])dnl +[m4_pushdef([b4_dollar_dollar], + [m4_ifval([$6], [(yyvaluep->$6)], [(*yyvaluep)])])dnl +m4_pushdef([b4_at_dollar], [(*yylocationp)])dnl case $4: /* $3 */ b4_syncline([$2], [$1]) $5; @@ -339,26 +391,34 @@ m4_popdef([b4_dollar_dollar])dnl ]) -# b4_yydestruct_generate(FUNTION-DECLARATOR) -# ------------------------------------------ +# b4_yydestruct_generate(FUNCTION-DECLARATOR) +# ------------------------------------------- # Generate the "yydestruct" function, which declaration is issued using -# FUNTION-DECLARATOR, which may be "b4_c_ansi_function_def" for ISO C +# FUNCTION-DECLARATOR, which may be "b4_c_ansi_function_def" for ISO C # or "b4_c_function_def" for K&R. -m4_define([b4_yydestruct_generate], +m4_define_default([b4_yydestruct_generate], [[/*-----------------------------------------------. | Release the memory associated to this symbol. | `-----------------------------------------------*/ +/*ARGSUSED*/ ]$1([yydestruct], [static void], - [[int yytype], [yytype]], - [[YYSTYPE yyvalue], [yyvalue]]b4_location_if([, - [[YYLTYPE yylocation], [yylocation]]]))[ + [[const char *yymsg], [yymsg]], + [[int yytype], [yytype]], + [[YYSTYPE *yyvaluep], [yyvaluep]][]dnl +b4_location_if( [, [[YYLTYPE *yylocationp], [yylocationp]]])[]dnl +m4_ifset([b4_parse_param], [, b4_parse_param]))[ { - /* Pacify ``unused variable'' warnings. */ - (void) yyvalue; -]b4_location_if([ (void) yylocation; -])[ + YYUSE (yyvaluep); +]b4_location_if([ YYUSE (yylocationp); +])dnl +b4_parse_param_use[]dnl +[ + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + switch (yytype) { ]m4_map([b4_symbol_actions], m4_defn([b4_symbol_destructors]))[ @@ -367,3 +427,67 @@ m4_define([b4_yydestruct_generate], } }]dnl ]) + + +# b4_yy_symbol_print_generate(FUNCTION-DECLARATOR) +# ------------------------------------------------ +# Generate the "yy_symbol_print" function, which declaration is issued using +# FUNCTION-DECLARATOR, which may be "b4_c_ansi_function_def" for ISO C +# or "b4_c_function_def" for K&R. +m4_define_default([b4_yy_symbol_print_generate], +[[ +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +/*ARGSUSED*/ +]$1([yy_symbol_value_print], + [static void], + [[FILE *yyoutput], [yyoutput]], + [[int yytype], [yytype]], + [[const YYSTYPE * const yyvaluep], [yyvaluep]][]dnl +b4_location_if([, [[const YYLTYPE * const yylocationp], [yylocationp]]])[]dnl +m4_ifset([b4_parse_param], [, b4_parse_param]))[ +{ + YYUSE (yyvaluep); +]b4_location_if([ YYUSE (yylocationp); +])dnl +b4_parse_param_use[]dnl +[# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# endif + switch (yytype) + { +]m4_map([b4_symbol_actions], m4_defn([b4_symbol_printers]))dnl +[ default: + break; + } +} + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +]$1([yy_symbol_print], + [static void], + [[FILE *yyoutput], [yyoutput]], + [[int yytype], [yytype]], + [[const YYSTYPE * const yyvaluep], [yyvaluep]][]dnl +b4_location_if([, [[const YYLTYPE * const yylocationp], [yylocationp]]])[]dnl +m4_ifset([b4_parse_param], [, b4_parse_param]))[ +{ + if (yytype < YYNTOKENS) + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + +]b4_location_if([ YY_LOCATION_PRINT (yyoutput, *yylocationp); + YYFPRINTF (yyoutput, ": "); +])dnl +[ yy_symbol_value_print (yyoutput, yytype, yyvaluep]dnl +b4_location_if([, yylocationp])[]b4_user_args[); + YYFPRINTF (yyoutput, ")"); +}]dnl +])