X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/648185ab4a265a28758e3b5d9f34c68bdf05fef7..fab5b110fb6f6ce81a10818537f491b0fa524ba5:/src/bison.simple?ds=sidebyside diff --git a/src/bison.simple b/src/bison.simple index 455c9d87..0482a0ea 100644 --- a/src/bison.simple +++ b/src/bison.simple @@ -1,7 +1,8 @@ +%%{section} %%{body} %%".c" %%{yacc} /* -*- C -*- */ -/* A Bison parser, made from %%filename - by GNU bison %%version. */ +/* A Bison parser, made from %%{filename} + by GNU bison %%{version}. */ /* Skeleton output parser for bison, Copyright 1984, 1989, 1990, 2000, 2001 Free Software Foundation, Inc. @@ -31,110 +32,47 @@ It was written by Richard Stallman by simplifying the hairy parser used when %semantic_parser is specified. */ -#include +/* Identify Bison output. */ +#define YYBISON 1 -/* If name_prefix is specify substitute the variables and functions - names. */ -#define yyparse %%prefix##parse -#define yylex %%prefix##lex -#define yyerror %%prefix##error -#define yylval %%prefix##lval -#define yychar %%prefix##char -#define yydebug %%prefix##debug -#define yynerrs %%prefix##nerrs +/* Pure parsers. */ +#define YYPURE %%{pure} -/* Copy the user declarations. */ -#line %%input_line "%%filename" -%%prologue +/* Using locations. */ +#define YYLSP_NEEDED %%{locations-flag} -#line %%line "%%skeleton" -#ifndef __cplusplus -# ifndef __STDC__ -# define const -# endif +/* If NAME_PREFIX is specified substitute the variables and functions + names. */ +#define yyparse %%{prefix}parse +#define yylex %%{prefix}lex +#define yyerror %%{prefix}error +#define yylval %%{prefix}lval +#define yychar %%{prefix}char +#define yydebug %%{prefix}debug +#define yynerrs %%{prefix}nerrs +#if YYLSP_NEEDED +# define yylloc %%{prefix}lloc #endif -#ifndef YYSTACK_USE_ALLOCA -# ifdef alloca -# define YYSTACK_USE_ALLOCA 1 -# else /* alloca not defined */ -# ifdef __GNUC__ -# define YYSTACK_USE_ALLOCA 1 -# define alloca __builtin_alloca -# else /* not GNU C. */ -# if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386)) -# define YYSTACK_USE_ALLOCA 1 -# include -# else /* not sparc */ - /* We think this test detects Watcom and Microsoft C. */ - /* This used to test MSDOS, but that is a bad idea since that - symbol is in the user namespace. */ -# if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__) -# if 0 - /* No need for malloc.h, which pollutes the namespace; instead, - just don't use alloca. */ -# include -# endif -# else /* not MSDOS, or __TURBOC__ */ -# if defined(_AIX) - /* I don't know what this was needed for, but it pollutes the - namespace. So I turned it off. rms, 2 May 1997. */ - /* #include */ - #pragma alloca -# define YYSTACK_USE_ALLOCA 1 -# else /* not MSDOS, or __TURBOC__, or _AIX */ -# if 0 - /* haible@ilog.fr says this works for HPUX 9.05 and up, and on - HPUX 10. Eventually we can turn this on. */ -# ifdef __hpux -# define YYSTACK_USE_ALLOCA 1 -# define alloca __builtin_alloca -# endif /* __hpux */ -# endif -# endif /* not _AIX */ -# endif /* not MSDOS, or __TURBOC__ */ -# endif /* not sparc */ -# endif /* not GNU C */ -# endif /* alloca not defined */ -#endif /* YYSTACK_USE_ALLOCA not defined */ - -#ifndef YYSTACK_USE_ALLOCA -# define YYSTACK_USE_ALLOCA 0 -#endif - -/* Realloc WHAT from SIZE to YYSTACKSIZE elements of TYPE. - If WHAT was malloc'ed (not the original automatic ARRAY), free it. */ -#if YYSTACK_USE_ALLOCA -# define YYSTACK_REALLOC(Type, What, Array) \ -do { \ - Type *old = What; \ - What = (Type *) alloca (yystacksize * sizeof (Type)); \ - __yy_memcpy ((char *) What, (char *) old, \ - (size) * (unsigned int) sizeof (Type)); \ -} while (0) -#else -# define YYSTACK_REALLOC(Type, What, Array) \ -do { \ - Type *old = What; \ - What = (Type *) malloc (yystacksize * sizeof (Type)); \ - __yy_memcpy ((char *) What, (char *) old, \ - (size) * (unsigned int) sizeof (Type)); \ - yyfree_stacks = 1; \ - if (old != Array) \ - free (old); \ -} while (0) -#endif -#define YYBISON 1 /* Identify Bison output. */ -#define YYPURE %%pure /* Identify pure parsers. */ +/* Copy the user declarations. */ +%%{prologue} +/* Enabling traces. */ #ifndef YYDEBUG -# define YYDEBUG %%debug +# define YYDEBUG %%{debug} +#endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE %%{error-verbose} #endif -#line %%input_line "%%filename" #ifndef YYSTYPE -typedef %%stype yystype; +typedef %%{stype} yystype; # define YYSTYPE yystype #endif @@ -146,74 +84,179 @@ typedef struct yyltype int last_line; int last_column; } yyltype; -# define YYLTYPE %%ltype +# define YYLTYPE %%{ltype} #endif -/* Tokens. */ -%%tokendef +/* Line %%{skeleton-line} of %%{skeleton}. */ +#line %%{line} "%%{parser-file-name}" + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ -#define YYFINAL %%final -#define YYFLAG %%flag -#define YYNTBASE %%ntbase -#define YYLAST %%last +#ifdef __cplusplus +# define YYSTD(x) std::x +#else +# define YYSTD(x) x +#endif -#define YYNTOKENS %%ntokens -#define YYNNTS %%nnts -#define YYNRULES %%nrules -#define YYNSTATES %%nstates -#define YYMAXUTOK %%maxtok +#if ! defined (yyoverflow) || defined (YYERROR_VERBOSE) -/* YYTRANSLATE(YYLEX) -- Bison token number corresponding to YYLEX. */ -#define YYTRANSLATE(x) ((unsigned)(x) <= %%maxtok ? yytranslate[x] : %%nsym) +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# if YYSTACK_USE_ALLOCA +# define YYSTACK_ALLOC alloca +# define YYSIZE_T YYSTD (size_t) +# else +# ifndef YYSTACK_USE_ALLOCA +# if defined (alloca) || defined (_ALLOCA_H) +# define YYSTACK_ALLOC alloca +# define YYSIZE_T YYSTD (size_t) +# else +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) +# else +# ifdef __cplusplus +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T std::size_t +# else +# ifdef __STDC__ +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# endif +# endif +# define YYSTACK_ALLOC YYSTD (malloc) +# define YYSTACK_FREE YYSTD (free) +# endif -/* YYTRANSLATE[YYLEX] -- Bison token number corresponding to YYLEX. */ +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + short yyss; + YYSTYPE yyvs; +# if YYLSP_NEEDED + YYLTYPE yyls; +# endif +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# if YYLSP_NEEDED +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ + + 2 * YYSTACK_GAP_MAX) +# else +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (short) + sizeof (YYSTYPE)) \ + + YYSTACK_GAP_MAX) +# endif + +/* Relocate the TYPE STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Type, Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + yymemcpy ((char *) yyptr, (char *) (Stack), \ + yysize * (YYSIZE_T) sizeof (Type)); \ + Stack = &yyptr->Stack; \ + yynewbytes = yystacksize * sizeof (Type) + YYSTACK_GAP_MAX; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (0) + +#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */ + +/* Tokens. */ +%%{tokendef} + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL %%{final} +#define YYFLAG %%{flag} +#define YYLAST %%{last} + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS %%{ntokens} +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS %%{nnts} +/* YYNRULES -- Number of rules. */ +#define YYNRULES %%{nrules} +/* YYNRULES -- Number of states. */ +#define YYNSTATES %%{nstates} +#define YYMAXUTOK %%{maxtok} + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYTRANSLATE(x) ((unsigned)(x) <= %%{maxtok} ? yytranslate[x] : %%{nsym}) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ static const char yytranslate[] = { - %%translate + %%{translate} }; #if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ static const short yyprhs[] = { - %%prhs + %%{prhs} }; +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ static const short yyrhs[] = { - %%rhs + %%{rhs} }; /* YYRLINE[YYN] -- source line where rule number YYN was defined. */ static const short yyrline[] = { - %%rline + %%{rline} }; #endif -#if %%error_verbose -/* YYTNME[TOKEN_NUM] -- String name of the token TOKEN_NUM. */ +#if (YYDEBUG) || YYERROR_VERBOSE +/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ static const char *const yytname[] = { - %%tname + %%{tname} }; #endif /* YYTOKNUM[YYN] -- Index in YYTNAME corresponding to YYLEX. */ static const short yytoknum[] = { - %%toknum + %%{toknum} }; /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ static const short yyr1[] = { - %%r1 + %%{r1} }; /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ static const short yyr2[] = { - %%r2 + %%{r2} }; /* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE @@ -221,34 +264,63 @@ static const short yyr2[] = error. */ static const short yydefact[] = { - %%defact + %%{defact} }; +/* YYPGOTO[NTERM-NUM]. */ static const short yydefgoto[] = { - %%defgoto + %%{defgoto} }; +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ static const short yypact[] = { - %%pact + %%{pact} }; +/* YYPGOTO[NTERM-NUM]. */ static const short yypgoto[] = { - %%pgoto + %%{pgoto} }; +/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If + positive, shift that token. If negative, reduce the rule which + number is the opposite. If zero, do what YYDEFACT says. */ static const short yytable[] = { - %%table + %%{table} }; static const short yycheck[] = { - %%check + %%{check} }; + +#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__) +# define YYSIZE_T __SIZE_TYPE__ +#endif +#if ! defined (YYSIZE_T) && defined (size_t) +# define YYSIZE_T size_t +#endif +#if ! defined (YYSIZE_T) +# ifdef __cplusplus +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T std::size_t +# else +# ifdef __STDC__ +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# endif +# endif +#endif +#if ! defined (YYSIZE_T) +# define YYSIZE_T unsigned int +#endif + #define yyerrok (yyerrstatus = 0) #define yyclearin (yychar = YYEMPTY) #define YYEMPTY -2 @@ -271,14 +343,14 @@ do \ if (yychar == YYEMPTY && yylen == 1) \ { \ yychar = (Token); \ - yylval = (Value); \ + yylval = (Value); \ yychar1 = YYTRANSLATE (yychar); \ YYPOPSTACK; \ goto yybackup; \ } \ else \ { \ - yyerror ("syntax error: cannot back up"); \ + yyerror ("syntax error: cannot back up"); \ YYERROR; \ } \ while (0) @@ -299,9 +371,6 @@ while (0) Current.last_column = Rhs[N].last_column; #endif -/* Definition of YYLSP_NEEDED. */ -#define YYLSP_NEEDED %%locations_flag - /* YYLEX -- calling `yylex' with the right arguments. */ #if YYPURE @@ -324,10 +393,21 @@ while (0) /* Enable debugging if requested. */ #if YYDEBUG + +# ifndef YYFPRINTF +# ifdef __cplusplus +# include /* INFRINGES ON USER NAME SPACE */ +# else +# include /* INFRINGES ON USER NAME SPACE */ +# endif +# define YYFPRINTF YYSTD (fprintf) +# define YYSTDERR YYSTD (stderr) +# endif + # define YYDPRINTF(Args) \ do { \ if (yydebug) \ - fprintf Args; \ + YYFPRINTF Args; \ } while (0) /* Nonzero means print parse trace. [The following comment makes no sense to me. Could someone clarify it? --akim] Since this is @@ -340,54 +420,107 @@ int yydebug; /* YYINITDEPTH -- initial size of the parser's stacks. */ #ifndef YYINITDEPTH -# define YYINITDEPTH %%initdepth +# define YYINITDEPTH %%{initdepth} #endif /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only - if the built-in stack extension method is used). */ + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + #if YYMAXDEPTH == 0 # undef YYMAXDEPTH #endif #ifndef YYMAXDEPTH -# define YYMAXDEPTH %%maxdepth +# define YYMAXDEPTH %%{maxdepth} #endif -/* Define __yy_memcpy. Note that the size argument - should be passed with type unsigned int, because that is what the non-GCC - definitions require. With GCC, __builtin_memcpy takes an arg - of type size_t, but it can handle unsigned int. */ - -#if __GNUC__ > 1 /* GNU C and GNU C++ define this. */ -# define __yy_memcpy(To, From, Count) __builtin_memcpy (To, From, Count) -#else /* not GNU C or C++ */ +#if ! defined (yyoverflow) && ! defined (yymemcpy) +# if __GNUC__ > 1 /* GNU C and GNU C++ define this. */ +# define yymemcpy __builtin_memcpy +# else /* not GNU C or C++ */ /* This is the most reliable way to avoid incompatibilities in available built-in functions on various systems. */ static void -# ifndef __cplusplus -__yy_memcpy (to, from, count) - char *to; - const char *from; - unsigned int count; -# else /* __cplusplus */ -__yy_memcpy (char *to, const char *from, unsigned int count) -# endif +# if defined (__STDC__) || defined (__cplusplus) +yymemcpy (char *yyto, const char *yyfrom, YYSIZE_T yycount) +# else +yymemcpy (yyto, yyfrom, yycount) + char *yyto; + const char *yyfrom; + YYSIZE_T yycount; +# endif { - register const char *f = from; - register char *t = to; - register int i = count; + register const char *yyf = yyfrom; + register char *yyt = yyto; + register YYSIZE_T yyi = yycount; - while (i-- > 0) - *t++ = *f++; + while (yyi-- != 0) + *yyt++ = *yyf++; } +# endif #endif - +#if YYERROR_VERBOSE + +# ifndef yystrlen +# if defined (__GLIBC__) && defined (_STRING_H) +# define yystrlen strlen +# else +/* Return the length of YYSTR. */ +static YYSIZE_T +# if defined (__STDC__) || defined (__cplusplus) +yystrlen (const char *yystr) +# else +yystrlen (yystr) + const char *yystr; +# endif +{ + register const char *yys = yystr; + + while (*yys++ != '\0') + continue; + + return yys - yystr - 1; +} +# endif +# endif + +# ifndef yystpcpy +# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE) +# define yystpcpy stpcpy +# else +/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in + YYDEST. */ +static char * +# if defined (__STDC__) || defined (__cplusplus) +yystpcpy (char *yydest, const char *yysrc) +# else +yystpcpy (yydest, yysrc) + char *yydest; + const char *yysrc; +# endif +{ + register char *yyd = yydest; + register const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif -#line %%line "%%skeleton" +#endif /* !YYERROR_VERBOSE */ + + /* The user can define YYPARSE_PARAM as the name of an argument to be passed into yyparse. The argument should have type void *. @@ -420,7 +553,7 @@ int yyparse (void); /* YY_DECL_VARIABLES -- depending whether we use a pure parser, variables are global, or local to YYPARSE. */ -#define _YY_DECL_VARIABLES \ +#define YY_DECL_NON_LSP_VARIABLES \ /* The lookahead symbol. */ \ int yychar; \ \ @@ -432,13 +565,13 @@ int yynerrs; #if YYLSP_NEEDED # define YY_DECL_VARIABLES \ -_YY_DECL_VARIABLES \ +YY_DECL_NON_LSP_VARIABLES \ \ /* Location data for the lookahead symbol. */ \ YYLTYPE yylloc; #else # define YY_DECL_VARIABLES \ -_YY_DECL_VARIABLES +YY_DECL_NON_LSP_VARIABLES #endif /* If nonreentrant, generate the variables here. */ @@ -458,6 +591,7 @@ yyparse (YYPARSE_PARAM_ARG) register int yystate; register int yyn; + int yyresult; /* Number of tokens to shift before error messages enabled. */ int yyerrstatus; /* Lookahead token as an internal (translated) token number. */ @@ -494,21 +628,20 @@ yyparse (YYPARSE_PARAM_ARG) # define YYPOPSTACK (yyvsp--, yyssp--) #endif - int yystacksize = YYINITDEPTH; - int yyfree_stacks = 0; + YYSIZE_T yystacksize = YYINITDEPTH; /* The variables used to return semantic value and location from the action routines. */ YYSTYPE yyval; -# if YYLSP_NEEDED +#if YYLSP_NEEDED YYLTYPE yyloc; -# endif +#endif /* When reducing, the number of symbols on the RHS of the reduced rule. */ int yylen; - YYDPRINTF ((stderr, "Starting parse\n")); + YYDPRINTF ((YYSTDERR, "Starting parse\n")); yystate = 0; yyerrstatus = 0; @@ -542,7 +675,7 @@ yyparse (YYPARSE_PARAM_ARG) if (yyssp >= yyss + yystacksize - 1) { /* Get the current used size of the three stacks, in elements. */ - int size = yyssp - yyss + 1; + YYSIZE_T yysize = yyssp - yyss + 1; #ifdef yyoverflow { @@ -559,15 +692,15 @@ yyparse (YYPARSE_PARAM_ARG) /* This used to be a conditional around just the two extra args, but that might be undefined if yyoverflow is a macro. */ yyoverflow ("parser stack overflow", - &yyss1, size * sizeof (*yyssp), - &yyvs1, size * sizeof (*yyvsp), - &yyls1, size * sizeof (*yylsp), + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yyls1, yysize * sizeof (*yylsp), &yystacksize); yyls = yyls1; # else yyoverflow ("parser stack overflow", - &yyss1, size * sizeof (*yyssp), - &yyvs1, size * sizeof (*yyvsp), + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), &yystacksize); # endif yyss = yyss1; @@ -576,42 +709,42 @@ yyparse (YYPARSE_PARAM_ARG) #else /* no yyoverflow */ /* Extend the stack our own way. */ if (yystacksize >= YYMAXDEPTH) - { - yyerror ("parser stack overflow"); - if (yyfree_stacks) - { - free (yyss); - free (yyvs); -# if YYLSP_NEEDED - free (yyls); -# endif - } - return 2; - } + goto yyoverflowlab; yystacksize *= 2; if (yystacksize > YYMAXDEPTH) yystacksize = YYMAXDEPTH; - YYSTACK_REALLOC (short, yyss, yyssa); - YYSTACK_REALLOC (YYSTYPE, yyvs, yyvsa); + { + short *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyoverflowlab; + YYSTACK_RELOCATE (short, yyss); + YYSTACK_RELOCATE (YYSTYPE, yyvs); # if YYLSP_NEEDED - YYSTACK_REALLOC (YYLTYPE, yyls, yylsa); + YYSTACK_RELOCATE (YYLTYPE, yyls); # endif +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } #endif /* no yyoverflow */ - yyssp = yyss + size - 1; - yyvsp = yyvs + size - 1; + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; #if YYLSP_NEEDED - yylsp = yyls + size - 1; + yylsp = yyls + yysize - 1; #endif - YYDPRINTF ((stderr, "Stack size increased to %d\n", yystacksize)); + YYDPRINTF ((YYSTDERR, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); if (yyssp >= yyss + yystacksize - 1) YYABORT; } - YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + YYDPRINTF ((YYSTDERR, "Entering state %d\n", yystate)); goto yybackup; @@ -637,7 +770,7 @@ yybackup: if (yychar == YYEMPTY) { - YYDPRINTF ((stderr, "Reading a token: ")); + YYDPRINTF ((YYSTDERR, "Reading a token: ")); yychar = YYLEX; } @@ -648,7 +781,7 @@ yybackup: yychar1 = 0; yychar = YYEOF; /* Don't call YYLEX any more. */ - YYDPRINTF ((stderr, "Now at end of input.\n")); + YYDPRINTF ((YYSTDERR, "Now at end of input.\n")); } else { @@ -659,13 +792,14 @@ yybackup: which are defined only if `YYDEBUG' is set. */ if (yydebug) { - fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]); + YYFPRINTF (YYSTDERR, "Next token is %d (%s", + yychar, yytname[yychar1]); /* Give the individual parser a way to print the precise meaning of a token, for further debugging info. */ # ifdef YYPRINT - YYPRINT (stderr, yychar, yylval); + YYPRINT (YYSTDERR, yychar, yylval); # endif - fprintf (stderr, ")\n"); + YYFPRINTF (YYSTDERR, ")\n"); } #endif } @@ -697,7 +831,8 @@ yybackup: YYACCEPT; /* Shift the lookahead token. */ - YYDPRINTF ((stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1])); + YYDPRINTF ((YYSTDERR, "Shifting token %d (%s), ", + yychar, yytname[yychar1])); /* Discard the token being shifted unless it is eof. */ if (yychar != YYEOF) @@ -756,22 +891,24 @@ yyreduce: are defined only if `YYDEBUG' is set. */ if (yydebug) { - int i; + int yyi; - fprintf (stderr, "Reducing via rule %d (line %d), ", - yyn, yyrline[yyn]); + YYFPRINTF (YYSTDERR, "Reducing via rule %d (line %d), ", + yyn - 1, yyrline[yyn]); /* Print the symbols being reduced, and their result. */ - for (i = yyprhs[yyn]; yyrhs[i] > 0; i++) - fprintf (stderr, "%s ", yytname[yyrhs[i]]); - fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]); + for (yyi = yyprhs[yyn]; yyrhs[yyi] >= 0; yyi++) + YYFPRINTF (YYSTDERR, "%s ", yytname[yyrhs[yyi]]); + YYFPRINTF (YYSTDERR, " -> %s\n", yytname[yyr1[yyn]]); } #endif switch (yyn) { - %%action + %%{actions} } -#line %%line "%%skeleton" + +/* Line %%{skeleton-line} of %%{skeleton}. */ +#line %%{line} "%%{parser-file-name}" yyvsp -= yylen; yyssp -= yylen; @@ -782,11 +919,11 @@ yyreduce: #if YYDEBUG if (yydebug) { - short *ssp1 = yyss - 1; - fprintf (stderr, "state stack now"); - while (ssp1 != yyssp) - fprintf (stderr, " %d", *++ssp1); - fprintf (stderr, "\n"); + short *yyssp1 = yyss - 1; + YYFPRINTF (YYSTDERR, "state stack now"); + while (yyssp1 != yyssp) + YYFPRINTF (YYSTDERR, " %d", *++yyssp1); + YYFPRINTF (YYSTDERR, "\n"); } #endif @@ -801,11 +938,11 @@ yyreduce: yyn = yyr1[yyn]; - yystate = yypgoto[yyn - YYNTBASE] + *yyssp; + yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp) yystate = yytable[yystate]; else - yystate = yydefgoto[yyn - YYNTBASE]; + yystate = yydefgoto[yyn - YYNTOKENS]; goto yynewstate; @@ -819,50 +956,52 @@ yyerrlab: { ++yynerrs; -#if %%error_verbose +#if YYERROR_VERBOSE yyn = yypact[yystate]; if (yyn > YYFLAG && yyn < YYLAST) { - int size = 0; - char *msg; - int x, count; + YYSIZE_T yysize = 0; + char *yymsg; + int yyx, yycount; - count = 0; - /* Start X at -YYN if negative to avoid negative indexes in + yycount = 0; + /* Start YYX at -YYN if negative to avoid negative indexes in YYCHECK. */ - for (x = yyn < 0 ? -yyn : 0; - x < (int) (sizeof (yytname) / sizeof (char *)); x++) - if (yycheck[x + yyn] == x) - size += strlen (yytname[x]) + 15, count++; - size += strlen ("parse error, unexpected ") + 1; - size += strlen (yytname[YYTRANSLATE (yychar)]); - msg = (char *) malloc (size); - if (msg != 0) + for (yyx = yyn < 0 ? -yyn : 0; + yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++) + if (yycheck[yyx + yyn] == yyx) + yysize += yystrlen (yytname[yyx]) + 15, yycount++; + yysize += yystrlen ("parse error, unexpected ") + 1; + yysize += yystrlen (yytname[YYTRANSLATE (yychar)]); + yymsg = (char *) YYSTACK_ALLOC (yysize); + if (yymsg != 0) { - strcpy (msg, "parse error, unexpected "); - strcat (msg, yytname[YYTRANSLATE (yychar)]); + char *yyp = yystpcpy (yymsg, "parse error, unexpected "); + yyp = yystpcpy (yyp, yytname[YYTRANSLATE (yychar)]); - if (count < 5) + if (yycount < 5) { - count = 0; - for (x = yyn < 0 ? -yyn : 0; - x < (int) (sizeof (yytname) / sizeof (char *)); x++) - if (yycheck[x + yyn] == x) + yycount = 0; + for (yyx = yyn < 0 ? -yyn : 0; + yyx < (int) (sizeof (yytname) / sizeof (char *)); + yyx++) + if (yycheck[yyx + yyn] == yyx) { - strcat (msg, count == 0 ? ", expecting " : " or "); - strcat (msg, yytname[x]); - count++; + const char *yyq = ! yycount ? ", expecting " : " or "; + yyp = yystpcpy (yyp, yyq); + yyp = yystpcpy (yyp, yytname[yyx]); + yycount++; } } - yyerror (msg); - free (msg); - } - else - yyerror ("parse error; also virtual memory exhausted"); + yyerror (yymsg); + YYSTACK_FREE (yymsg); + } + else + yyerror ("parse error; also virtual memory exhausted"); } else -#endif /* %%ERROR_VERBOSE */ +#endif /* YYERROR_VERBOSE */ yyerror ("parse error"); } goto yyerrlab1; @@ -880,7 +1019,7 @@ yyerrlab1: /* Return failure if at end of input. */ if (yychar == YYEOF) YYABORT; - YYDPRINTF ((stderr, "Discarding token %d (%s).\n", + YYDPRINTF ((YYSTDERR, "Discarding token %d (%s).\n", yychar, yytname[yychar1])); yychar = YYEMPTY; } @@ -925,11 +1064,11 @@ yyerrpop: #if YYDEBUG if (yydebug) { - short *ssp1 = yyss - 1; - fprintf (stderr, "Error: state stack now"); - while (ssp1 != yyssp) - fprintf (stderr, " %d", *++ssp1); - fprintf (stderr, "\n"); + short *yyssp1 = yyss - 1; + YYFPRINTF (YYSTDERR, "Error: state stack now"); + while (yyssp1 != yyssp) + YYFPRINTF (YYSTDERR, " %d", *++yyssp1); + YYFPRINTF (YYSTDERR, "\n"); } #endif @@ -959,7 +1098,7 @@ yyerrhandle: if (yyn == YYFINAL) YYACCEPT; - YYDPRINTF ((stderr, "Shifting error token, ")); + YYDPRINTF ((YYSTDERR, "Shifting error token, ")); *++yyvsp = yylval; #if YYLSP_NEEDED @@ -974,31 +1113,30 @@ yyerrhandle: | yyacceptlab -- YYACCEPT comes here. | `-------------------------------------*/ yyacceptlab: - if (yyfree_stacks) - { - free (yyss); - free (yyvs); -#if YYLSP_NEEDED - free (yyls); -#endif - } - return 0; - + yyresult = 0; + goto yyreturn; /*-----------------------------------. | yyabortlab -- YYABORT comes here. | `-----------------------------------*/ yyabortlab: - if (yyfree_stacks) - { - free (yyss); - free (yyvs); -#if YYLSP_NEEDED - free (yyls); + yyresult = 1; + goto yyreturn; + +/*---------------------------------------------. +| yyoverflowab -- parser overflow comes here. | +`---------------------------------------------*/ +yyoverflowlab: + yyerror ("parser stack overflow"); + yyresult = 2; + /* Fall through. */ + +yyreturn: +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); #endif - } - return 1; + return yyresult; } -#line %%input_line "%%filename" -%%epilogue +%%{epilogue}