X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/f3ead217b8636f623399e66bd937b1c51774d4af..66c209cf435b5bfc5cf982d8df9cc3ef05b4546b:/data/glr.c diff --git a/data/glr.c b/data/glr.c index 1e82e589..7ab38235 100644 --- a/data/glr.c +++ b/data/glr.c @@ -2,7 +2,7 @@ # GLR skeleton for Bison -# Copyright (C) 2002-2012 Free Software Foundation, Inc. +# Copyright (C) 2002-2013 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 @@ -55,16 +55,6 @@ m4_define([b4_user_formals], [m4_ifset([b4_parse_param], [, b4_formals(b4_parse_param)])]) -# b4_lex_param -# ------------ -# Accumule in b4_lex_param all the yylex arguments. -# Yes, this is quite ugly... -m4_define([b4_lex_param], -m4_dquote(b4_pure_if([[[[YYSTYPE *]], [[&yylval]]][]dnl -b4_locations_if([, [[YYLTYPE *], [&yylloc]]])])dnl -m4_ifdef([b4_lex_param], [, ]b4_lex_param))) - - # b4_yyerror_args # --------------- # Optional effective arguments passed to yyerror: user args plus yylloc, and @@ -190,7 +180,7 @@ m4_if(b4_skeleton, ["glr.c"], b4_output_begin([b4_parser_file_name]) b4_copyright([Skeleton implementation for Bison GLR parsers in C], - [2002-2012])[ + [2002-2013])[ /* C GLR parser skeleton written by Paul Hilfinger. */ @@ -206,11 +196,12 @@ b4_percent_code_get([[top]])[ #define yyparse ]b4_prefix[parse #define yylex ]b4_prefix[lex #define yyerror ]b4_prefix[error +#define yydebug ]b4_prefix[debug +]]b4_pure_if([], [[ #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 yylloc ]b4_prefix[lloc]])]))[ /* First part of user declarations. */ ]b4_user_pre_prologue[ @@ -286,7 +277,7 @@ b4_percent_code_get[]dnl # include # define YYJMP_BUF jmp_buf # define YYSETJMP(Env) setjmp (Env) -// Pacify clang. +/* Pacify clang. */ # define YYLONGJMP(Env, Val) (longjmp (Env, Val), YYASSERT (0)) #endif @@ -391,7 +382,7 @@ static const ]b4_int_type_for([b4_conflict_list_heads])[ yyconflp[] = /* YYCONFL[I] -- lists of conflicting rule numbers, each terminated by 0, pointed into by YYCONFLP. */ ]dnl Do not use b4_int_type_for here, since there are places where -dnl pointers onto yyconfl are taken, which type is "short int *". +dnl pointers onto yyconfl are taken, whose type is "short int *". dnl We probably ought to introduce a type for confl. [static const short int yyconfl[] = { @@ -405,10 +396,6 @@ dnl We probably ought to introduce a type for confl. ]b4_yylloc_default_define[ # define YYRHSLOC(Rhs, K) ((Rhs)[K].yystate.yyloc) ]])[ -]b4_yy_location_print_define[ - -/* YYLEX -- calling `yylex' with the right arguments. */ -#define YYLEX ]b4_function_call([yylex], [int], b4_lex_param)[ ]b4_pure_if( [ @@ -449,6 +436,8 @@ typedef enum { yyok, yyaccept, yyabort, yyerr } YYRESULTTAG; # define YYFPRINTF fprintf # endif +]b4_yy_location_print_define[ + # define YYDPRINTF(Args) \ do { \ if (yydebug) \ @@ -471,6 +460,12 @@ typedef enum { yyok, yyaccept, yyabort, yyerr } YYRESULTTAG; multiple parsers can coexist. */ int yydebug; +struct yyGLRStack; +static void yypstack (struct yyGLRStack* yystackp, size_t yyk) + __attribute__ ((__unused__)); +static void yypdumpstack (struct yyGLRStack* yystackp) + __attribute__ ((__unused__)); + #else /* !]b4_api_PREFIX[DEBUG */ # define YYDPRINTF(Args) @@ -769,7 +764,7 @@ yyfill (yyGLRStackItem *yyvsp, int *yylow, int yylow1, yybool yynormal) * (@@$). Returns yyok for normal return, yyaccept for YYACCEPT, * yyerr for YYERROR, yyabort for YYABORT. */ static YYRESULTTAG -yyuserAction (yyRuleNum yyn, int yyrhslen, yyGLRStackItem* yyvsp, +yyuserAction (yyRuleNum yyn, size_t yyrhslen, yyGLRStackItem* yyvsp, yyGLRStack* yystackp, YYSTYPE* yyvalp]b4_locuser_formals[) { @@ -777,7 +772,8 @@ yyuserAction (yyRuleNum yyn, int yyrhslen, yyGLRStackItem* yyvsp, (yystackp->yysplitPoint == YY_NULL); int yylow; ]b4_parse_param_use([yyvalp], [yylocp])dnl -[# undef yyerrok +[ YYUSE (yyrhslen); +# undef yyerrok # define yyerrok (yystackp->yyerrState = 0) # undef YYACCEPT # define YYACCEPT return yyaccept @@ -1919,7 +1915,7 @@ yyprocessOneStack (yyGLRStack* yystackp, size_t yyk, if (yychar == YYEMPTY) { YYDPRINTF ((stderr, "Reading a token: ")); - yychar = YYLEX; + yychar = ]b4_lex[; } if (yychar <= YYEOF) @@ -1997,10 +1993,10 @@ yyreportSyntaxError (yyGLRStack* yystackp]b4_user_formals[) #if ! YYERROR_VERBOSE yyerror (]b4_lyyerror_args[YY_("syntax error")); #else + { yySymbol yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar); size_t yysize0 = yytnamerr (YY_NULL, yytokenName (yytoken)); size_t yysize = yysize0; - size_t yysize1; yybool yysize_overflow = yyfalse; char* yymsg = YY_NULL; enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; @@ -2060,9 +2056,11 @@ yyreportSyntaxError (yyGLRStack* yystackp]b4_user_formals[) break; } yyarg[yycount++] = yytokenName (yyx); - yysize1 = yysize + yytnamerr (YY_NULL, yytokenName (yyx)); - yysize_overflow |= yysize1 < yysize; - yysize = yysize1; + { + size_t yysz = yysize + yytnamerr (YY_NULL, yytokenName (yyx)); + yysize_overflow |= yysz < yysize; + yysize = yysz; + } } } } @@ -2082,9 +2080,11 @@ yyreportSyntaxError (yyGLRStack* yystackp]b4_user_formals[) #undef YYCASE_ } - yysize1 = yysize + strlen (yyformat); - yysize_overflow |= yysize1 < yysize; - yysize = yysize1; + { + size_t yysz = yysize + strlen (yyformat); + yysize_overflow |= yysz < yysize; + yysize = yysz; + } if (!yysize_overflow) yymsg = (char *) YYMALLOC (yysize); @@ -2114,6 +2114,7 @@ yyreportSyntaxError (yyGLRStack* yystackp]b4_user_formals[) yyerror (]b4_lyyerror_args[YY_("syntax error")); yyMemoryExhausted (yystackp); } + } #endif /* YYERROR_VERBOSE */ yynerrs += 1; } @@ -2149,7 +2150,7 @@ yyrecoverSyntaxError (yyGLRStack* yystackp]b4_user_formals[) yytoken, &yylval]b4_locuser_args([&yylloc])[); } YYDPRINTF ((stderr, "Reading a token: ")); - yychar = YYLEX; + yychar = ]b4_lex[; if (yychar <= YYEOF) { yychar = yytoken = YYEOF; @@ -2303,7 +2304,7 @@ b4_dollar_popdef])[]dnl if (yychar == YYEMPTY) { YYDPRINTF ((stderr, "Reading a token: ")); - yychar = YYLEX; + yychar = ]b4_lex[; } if (yychar <= YYEOF) @@ -2477,10 +2478,6 @@ b4_dollar_popdef])[]dnl /* DEBUGGING ONLY */ #if ]b4_api_PREFIX[DEBUG -static void yypstack (yyGLRStack* yystackp, size_t yyk) - __attribute__ ((__unused__)); -static void yypdumpstack (yyGLRStack* yystackp) __attribute__ ((__unused__)); - static void yy_yypstack (yyGLRState* yys) { @@ -2549,6 +2546,23 @@ yypdumpstack (yyGLRStack* yystackp) YYFPRINTF (stderr, "\n"); } #endif + +#undef yylval +#undef yychar +#undef yynerrs]b4_locations_if([ +#undef yylloc]) + +m4_if(b4_prefix, [yy], [], +[[/* Substitute the variable and function names. */ +#define yyparse ]b4_prefix[parse +#define yylex ]b4_prefix[lex +#define yyerror ]b4_prefix[error +#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]])])[ + ]b4_epilogue[]dnl b4_output_end() @@ -2557,7 +2571,7 @@ m4_if(b4_skeleton, ["glr.c"], [b4_defines_if( [b4_output_begin([b4_spec_defines_file]) b4_copyright([Skeleton interface for Bison GLR parsers in C], - [2002-2012])[ + [2002-2013])[ ]b4_cpp_guard_open([b4_spec_defines_file])[ ]b4_shared_declarations[