diff --git a/contrib/byacc/btyaccpar.c b/contrib/byacc/btyaccpar.c index 64a9febd17e4..f4db838e3244 100644 --- a/contrib/byacc/btyaccpar.c +++ b/contrib/byacc/btyaccpar.c @@ -1,1284 +1,1284 @@ /* This file generated automatically using * @Id: skel2c,v 1.4 2016/06/07 00:26:09 tom Exp @ */ /* @Id: btyaccpar.skel,v 1.10 2018/05/25 01:03:46 tom Exp @ */ #include "defs.h" /* If the skeleton is changed, the banner should be changed so that */ /* the altered version can be easily distinguished from the original. */ /* */ /* The #defines included with the banner are there because they are */ /* useful in subsequent code. The macros #defined in the header or */ /* the body either are not useful outside of semantic actions or */ /* are conditional. */ const char *const banner[] = { "/* original parser id follows */", "/* yysccsid[] = \"@(#)yaccpar 1.9 (Berkeley) 02/21/93\" */", "/* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */", "", "#define YYBYACC 1", CONCAT1("#define YYMAJOR ", YYMAJOR), CONCAT1("#define YYMINOR ", YYMINOR), #ifdef YYPATCH CONCAT1("#define YYPATCH ", YYPATCH), #endif "", "#define YYEMPTY (-1)", "#define yyclearin (yychar = YYEMPTY)", "#define yyerrok (yyerrflag = 0)", "#define YYRECOVERING() (yyerrflag != 0)", "#define YYENOMEM (-2)", "#define YYEOF 0", 0 }; const char *const xdecls[] = { "", "extern int YYPARSE_DECL();", 0 }; const char *const tables[] = { "extern const YYINT yylhs[];", "extern const YYINT yylen[];", "extern const YYINT yydefred[];", "extern const YYINT yystos[];", "extern const YYINT yydgoto[];", "extern const YYINT yysindex[];", "extern const YYINT yyrindex[];", #if defined(YYBTYACC) "#if YYBTYACC", "extern const YYINT yycindex[];", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ "extern const YYINT yygindex[];", "extern const YYINT yytable[];", "extern const YYINT yycheck[];", #if defined(YYBTYACC) "#if YYBTYACC", "extern const YYINT yyctable[];", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ "", "#if YYDEBUG || defined(yytname)", "extern const char *const yyname[];", "#endif", "#if YYDEBUG", "extern const char *const yyrule[];", "#endif", 0 }; const char *const global_vars[] = { "", "#if YYDEBUG", "int yydebug;", "#endif", 0 }; const char *const impure_vars[] = { "", "int yyerrflag;", "int yychar;", "YYSTYPE yyval;", "YYSTYPE yylval;", "int yynerrs;", "", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", "YYLTYPE yyloc; /* position returned by actions */", "YYLTYPE yylloc; /* position from the lexer */", "#endif", 0 }; const char *const hdr_defs[] = { "", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", "#ifndef YYLLOC_DEFAULT", "#define YYLLOC_DEFAULT(loc, rhs, n) \\", "do \\", "{ \\", " if (n == 0) \\", " { \\", " (loc).first_line = YYRHSLOC(rhs, 0).last_line; \\", " (loc).first_column = YYRHSLOC(rhs, 0).last_column; \\", " (loc).last_line = YYRHSLOC(rhs, 0).last_line; \\", " (loc).last_column = YYRHSLOC(rhs, 0).last_column; \\", " } \\", " else \\", " { \\", " (loc).first_line = YYRHSLOC(rhs, 1).first_line; \\", " (loc).first_column = YYRHSLOC(rhs, 1).first_column; \\", " (loc).last_line = YYRHSLOC(rhs, n).last_line; \\", " (loc).last_column = YYRHSLOC(rhs, n).last_column; \\", " } \\", "} while (0)", "#endif /* YYLLOC_DEFAULT */", "#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */", #if defined(YYBTYACC) "#if YYBTYACC", "", "#ifndef YYLVQUEUEGROWTH", "#define YYLVQUEUEGROWTH 32", "#endif", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ "", "/* define the initial stack-sizes */", "#ifdef YYSTACKSIZE", "#undef YYMAXDEPTH", "#define YYMAXDEPTH YYSTACKSIZE", "#else", "#ifdef YYMAXDEPTH", "#define YYSTACKSIZE YYMAXDEPTH", "#else", "#define YYSTACKSIZE 10000", "#define YYMAXDEPTH 10000", "#endif", "#endif", "", "#ifndef YYINITSTACKSIZE", "#define YYINITSTACKSIZE 200", "#endif", "", "typedef struct {", " unsigned stacksize;", " YYINT *s_base;", " YYINT *s_mark;", " YYINT *s_last;", " YYSTYPE *l_base;", " YYSTYPE *l_mark;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " YYLTYPE *p_base;", " YYLTYPE *p_mark;", "#endif", "} YYSTACKDATA;", #if defined(YYBTYACC) "#if YYBTYACC", "", "struct YYParseState_s", "{", " struct YYParseState_s *save; /* Previously saved parser state */", " YYSTACKDATA yystack; /* saved parser stack */", " int state; /* saved parser state */", " int errflag; /* saved error recovery status */", " int lexeme; /* saved index of the conflict lexeme in the lexical queue */", " YYINT ctry; /* saved index in yyctable[] for this conflict */", "};", "typedef struct YYParseState_s YYParseState;", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ 0 }; const char *const hdr_vars[] = { "/* variables for the parser stack */", "static YYSTACKDATA yystack;", #if defined(YYBTYACC) "#if YYBTYACC", "", "/* Current parser state */", "static YYParseState *yyps = 0;", "", "/* yypath != NULL: do the full parse, starting at *yypath parser state. */", "static YYParseState *yypath = 0;", "", "/* Base of the lexical value queue */", "static YYSTYPE *yylvals = 0;", "", "/* Current position at lexical value queue */", "static YYSTYPE *yylvp = 0;", "", "/* End position of lexical value queue */", "static YYSTYPE *yylve = 0;", "", "/* The last allocated position at the lexical value queue */", "static YYSTYPE *yylvlim = 0;", "", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", "/* Base of the lexical position queue */", "static YYLTYPE *yylpsns = 0;", "", "/* Current position at lexical position queue */", "static YYLTYPE *yylpp = 0;", "", "/* End position of lexical position queue */", "static YYLTYPE *yylpe = 0;", "", "/* The last allocated position at the lexical position queue */", "static YYLTYPE *yylplim = 0;", "#endif", "", "/* Current position at lexical token queue */", "static YYINT *yylexp = 0;", "", "static YYINT *yylexemes = 0;", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ 0 }; const char *const body_vars[] = { " int yyerrflag;", " int yychar;", " YYSTYPE yyval;", " YYSTYPE yylval;", " int yynerrs;", "", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " YYLTYPE yyloc; /* position returned by actions */", " YYLTYPE yylloc; /* position from the lexer */", "#endif", "", " /* variables for the parser stack */", " YYSTACKDATA yystack;", #if defined(YYBTYACC) "#if YYBTYACC", "", " /* Current parser state */", " static YYParseState *yyps = 0;", "", " /* yypath != NULL: do the full parse, starting at *yypath parser state. */", " static YYParseState *yypath = 0;", "", " /* Base of the lexical value queue */", " static YYSTYPE *yylvals = 0;", "", " /* Current position at lexical value queue */", " static YYSTYPE *yylvp = 0;", "", " /* End position of lexical value queue */", " static YYSTYPE *yylve = 0;", "", " /* The last allocated position at the lexical value queue */", " static YYSTYPE *yylvlim = 0;", "", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " /* Base of the lexical position queue */", " static YYLTYPE *yylpsns = 0;", "", " /* Current position at lexical position queue */", " static YYLTYPE *yylpp = 0;", "", " /* End position of lexical position queue */", " static YYLTYPE *yylpe = 0;", "", " /* The last allocated position at the lexical position queue */", " static YYLTYPE *yylplim = 0;", "#endif", "", " /* Current position at lexical token queue */", " static YYINT *yylexp = 0;", "", " static YYINT *yylexemes = 0;", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ 0 }; const char *const body_1[] = { "", "/* For use in generated program */", "#define yydepth (int)(yystack.s_mark - yystack.s_base)", #if defined(YYBTYACC) "#if YYBTYACC", "#define yytrial (yyps->save)", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ "", "#if YYDEBUG", "#include /* needed for printf */", "#endif", "", "#include /* needed for malloc, etc */", "#include /* needed for memset */", "", "/* allocate initial stack or double stack size, up to YYMAXDEPTH */", "static int yygrowstack(YYSTACKDATA *data)", "{", " int i;", " unsigned newsize;", " YYINT *newss;", " YYSTYPE *newvs;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " YYLTYPE *newps;", "#endif", "", " if ((newsize = data->stacksize) == 0)", " newsize = YYINITSTACKSIZE;", " else if (newsize >= YYMAXDEPTH)", " return YYENOMEM;", " else if ((newsize *= 2) > YYMAXDEPTH)", " newsize = YYMAXDEPTH;", "", " i = (int) (data->s_mark - data->s_base);", " newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));", - " if (newss == 0)", + " if (newss == NULL)", " return YYENOMEM;", "", " data->s_base = newss;", " data->s_mark = newss + i;", "", " newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));", - " if (newvs == 0)", + " if (newvs == NULL)", " return YYENOMEM;", "", " data->l_base = newvs;", " data->l_mark = newvs + i;", "", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps));", - " if (newps == 0)", + " if (newps == NULL)", " return YYENOMEM;", "", " data->p_base = newps;", " data->p_mark = newps + i;", "#endif", "", " data->stacksize = newsize;", " data->s_last = data->s_base + newsize - 1;", "", "#if YYDEBUG", " if (yydebug)", " fprintf(stderr, \"%sdebug: stack size increased to %d\\n\", YYPREFIX, newsize);", "#endif", " return 0;", "}", "", "#if YYPURE || defined(YY_NO_LEAKS)", "static void yyfreestack(YYSTACKDATA *data)", "{", " free(data->s_base);", " free(data->l_base);", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " free(data->p_base);", "#endif", " memset(data, 0, sizeof(*data));", "}", "#else", "#define yyfreestack(data) /* nothing */", "#endif /* YYPURE || defined(YY_NO_LEAKS) */", #if defined(YYBTYACC) "#if YYBTYACC", "", "static YYParseState *", "yyNewState(unsigned size)", "{", " YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState));", " if (p == NULL) return NULL;", "", " p->yystack.stacksize = size;", " if (size == 0)", " {", " p->yystack.s_base = NULL;", " p->yystack.l_base = NULL;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " p->yystack.p_base = NULL;", "#endif", " return p;", " }", " p->yystack.s_base = (YYINT *) malloc(size * sizeof(YYINT));", " if (p->yystack.s_base == NULL) return NULL;", " p->yystack.l_base = (YYSTYPE *) malloc(size * sizeof(YYSTYPE));", " if (p->yystack.l_base == NULL) return NULL;", " memset(p->yystack.l_base, 0, size * sizeof(YYSTYPE));", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " p->yystack.p_base = (YYLTYPE *) malloc(size * sizeof(YYLTYPE));", " if (p->yystack.p_base == NULL) return NULL;", " memset(p->yystack.p_base, 0, size * sizeof(YYLTYPE));", "#endif", "", " return p;", "}", "", "static void", "yyFreeState(YYParseState *p)", "{", " yyfreestack(&p->yystack);", " free(p);", "}", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ "", "#define YYABORT goto yyabort", "#define YYREJECT goto yyabort", "#define YYACCEPT goto yyaccept", "#define YYERROR goto yyerrlab", #if defined(YYBTYACC) "#if YYBTYACC", "#define YYVALID do { if (yyps->save) goto yyvalid; } while(0)", "#define YYVALID_NESTED do { if (yyps->save && \\", " yyps->save->save == 0) goto yyvalid; } while(0)", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ "", "int", "YYPARSE_DECL()", "{", 0 }; const char *const body_2[] = { " int yym, yyn, yystate, yyresult;", #if defined(YYBTYACC) "#if YYBTYACC", " int yynewerrflag;", " YYParseState *yyerrctx = NULL;", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " YYLTYPE yyerror_loc_range[3]; /* position of error start/end (0 unused) */", "#endif", "#if YYDEBUG", " const char *yys;", "", - " if ((yys = getenv(\"YYDEBUG\")) != 0)", + " if ((yys = getenv(\"YYDEBUG\")) != NULL)", " {", " yyn = *yys;", " if (yyn >= '0' && yyn <= '9')", " yydebug = yyn - '0';", " }", " if (yydebug)", " fprintf(stderr, \"%sdebug[<# of symbols on state stack>]\\n\", YYPREFIX);", "#endif", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " memset(yyerror_loc_range, 0, sizeof(yyerror_loc_range));", "#endif", "", 0 }; const char *const init_vars[] = { " yyerrflag = 0;", " yychar = 0;", " memset(&yyval, 0, sizeof(yyval));", " memset(&yylval, 0, sizeof(yylval));", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " memset(&yyloc, 0, sizeof(yyloc));", " memset(&yylloc, 0, sizeof(yylloc));", "#endif", "", 0 }; const char *const body_3[] = { #if defined(YYBTYACC) "#if YYBTYACC", " yyps = yyNewState(0); if (yyps == 0) goto yyenomem;", " yyps->save = 0;", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ " yym = 0;", " yyn = 0;", " yynerrs = 0;", " yyerrflag = 0;", " yychar = YYEMPTY;", " yystate = 0;", "", "#if YYPURE", " memset(&yystack, 0, sizeof(yystack));", "#endif", "", " if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;", " yystack.s_mark = yystack.s_base;", " yystack.l_mark = yystack.l_base;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yystack.p_mark = yystack.p_base;", "#endif", " yystate = 0;", " *yystack.s_mark = 0;", "", "yyloop:", " if ((yyn = yydefred[yystate]) != 0) goto yyreduce;", " if (yychar < 0)", " {", #if defined(YYBTYACC) "#if YYBTYACC", " do {", " if (yylvp < yylve)", " {", " /* we're currently re-reading tokens */", " yylval = *yylvp++;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yylloc = *yylpp++;", "#endif", " yychar = *yylexp++;", " break;", " }", " if (yyps->save)", " {", " /* in trial mode; save scanner results for future parse attempts */", " if (yylvp == yylvlim)", " { /* Enlarge lexical value queue */", " size_t p = (size_t) (yylvp - yylvals);", " size_t s = (size_t) (yylvlim - yylvals);", "", " s += YYLVQUEUEGROWTH;", " if ((yylexemes = (YYINT *)realloc(yylexemes, s * sizeof(YYINT))) == NULL) goto yyenomem;", " if ((yylvals = (YYSTYPE *)realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " if ((yylpsns = (YYLTYPE *)realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem;", "#endif", " yylvp = yylve = yylvals + p;", " yylvlim = yylvals + s;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yylpp = yylpe = yylpsns + p;", " yylplim = yylpsns + s;", "#endif", " yylexp = yylexemes + p;", " }", " *yylexp = (YYINT) YYLEX;", " *yylvp++ = yylval;", " yylve++;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " *yylpp++ = yylloc;", " yylpe++;", "#endif", " yychar = *yylexp++;", " break;", " }", " /* normal operation, no conflict encountered */", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ " yychar = YYLEX;", #if defined(YYBTYACC) "#if YYBTYACC", " } while (0);", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ " if (yychar < 0) yychar = YYEOF;", "#if YYDEBUG", " if (yydebug)", " {", " if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];", " fprintf(stderr, \"%s[%d]: state %d, reading token %d (%s)\",", " YYDEBUGSTR, yydepth, yystate, yychar, yys);", "#ifdef YYSTYPE_TOSTRING", #if defined(YYBTYACC) "#if YYBTYACC", " if (!yytrial)", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ " fprintf(stderr, \" <%s>\", YYSTYPE_TOSTRING(yychar, yylval));", "#endif", " fputc('\\n', stderr);", " }", "#endif", " }", #if defined(YYBTYACC) "#if YYBTYACC", "", " /* Do we have a conflict? */", " if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 &&", " yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)", " {", " YYINT ctry;", "", " if (yypath)", " {", " YYParseState *save;", "#if YYDEBUG", " if (yydebug)", " fprintf(stderr, \"%s[%d]: CONFLICT in state %d: following successful trial parse\\n\",", " YYDEBUGSTR, yydepth, yystate);", "#endif", " /* Switch to the next conflict context */", " save = yypath;", " yypath = save->save;", " save->save = NULL;", " ctry = save->ctry;", " if (save->state != yystate) YYABORT;", " yyFreeState(save);", "", " }", " else", " {", "", " /* Unresolved conflict - start/continue trial parse */", " YYParseState *save;", "#if YYDEBUG", " if (yydebug)", " {", " fprintf(stderr, \"%s[%d]: CONFLICT in state %d. \", YYDEBUGSTR, yydepth, yystate);", " if (yyps->save)", " fputs(\"ALREADY in conflict, continuing trial parse.\\n\", stderr);", " else", " fputs(\"Starting trial parse.\\n\", stderr);", " }", "#endif", " save = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));", " if (save == NULL) goto yyenomem;", " save->save = yyps->save;", " save->state = yystate;", " save->errflag = yyerrflag;", " save->yystack.s_mark = save->yystack.s_base + (yystack.s_mark - yystack.s_base);", " memcpy (save->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));", " save->yystack.l_mark = save->yystack.l_base + (yystack.l_mark - yystack.l_base);", " memcpy (save->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " save->yystack.p_mark = save->yystack.p_base + (yystack.p_mark - yystack.p_base);", " memcpy (save->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));", "#endif", " ctry = yytable[yyn];", " if (yyctable[ctry] == -1)", " {", "#if YYDEBUG", " if (yydebug && yychar >= YYEOF)", " fprintf(stderr, \"%s[%d]: backtracking 1 token\\n\", YYDEBUGSTR, yydepth);", "#endif", " ctry++;", " }", " save->ctry = ctry;", " if (yyps->save == NULL)", " {", " /* If this is a first conflict in the stack, start saving lexemes */", " if (!yylexemes)", " {", " yylexemes = (YYINT *) malloc((YYLVQUEUEGROWTH) * sizeof(YYINT));", " if (yylexemes == NULL) goto yyenomem;", " yylvals = (YYSTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYSTYPE));", " if (yylvals == NULL) goto yyenomem;", " yylvlim = yylvals + YYLVQUEUEGROWTH;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yylpsns = (YYLTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYLTYPE));", " if (yylpsns == NULL) goto yyenomem;", " yylplim = yylpsns + YYLVQUEUEGROWTH;", "#endif", " }", " if (yylvp == yylve)", " {", " yylvp = yylve = yylvals;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yylpp = yylpe = yylpsns;", "#endif", " yylexp = yylexemes;", " if (yychar >= YYEOF)", " {", " *yylve++ = yylval;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " *yylpe++ = yylloc;", "#endif", " *yylexp = (YYINT) yychar;", " yychar = YYEMPTY;", " }", " }", " }", " if (yychar >= YYEOF)", " {", " yylvp--;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yylpp--;", "#endif", " yylexp--;", " yychar = YYEMPTY;", " }", " save->lexeme = (int) (yylvp - yylvals);", " yyps->save = save;", " }", " if (yytable[yyn] == ctry)", " {", "#if YYDEBUG", " if (yydebug)", " fprintf(stderr, \"%s[%d]: state %d, shifting to state %d\\n\",", " YYDEBUGSTR, yydepth, yystate, yyctable[ctry]);", "#endif", " if (yychar < 0)", " {", " yylvp++;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yylpp++;", "#endif", " yylexp++;", " }", " if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)", " goto yyoverflow;", " yystate = yyctable[ctry];", " *++yystack.s_mark = (YYINT) yystate;", " *++yystack.l_mark = yylval;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " *++yystack.p_mark = yylloc;", "#endif", " yychar = YYEMPTY;", " if (yyerrflag > 0) --yyerrflag;", " goto yyloop;", " }", " else", " {", " yyn = yyctable[ctry];", " goto yyreduce;", " }", " } /* End of code dealing with conflicts */", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ " if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&", " yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)", " {", "#if YYDEBUG", " if (yydebug)", " fprintf(stderr, \"%s[%d]: state %d, shifting to state %d\\n\",", " YYDEBUGSTR, yydepth, yystate, yytable[yyn]);", "#endif", " if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;", " yystate = yytable[yyn];", " *++yystack.s_mark = yytable[yyn];", " *++yystack.l_mark = yylval;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " *++yystack.p_mark = yylloc;", "#endif", " yychar = YYEMPTY;", " if (yyerrflag > 0) --yyerrflag;", " goto yyloop;", " }", " if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&", " yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)", " {", " yyn = yytable[yyn];", " goto yyreduce;", " }", " if (yyerrflag != 0) goto yyinrecovery;", #if defined(YYBTYACC) "#if YYBTYACC", "", " yynewerrflag = 1;", " goto yyerrhandler;", " goto yyerrlab; /* redundant goto avoids 'unused label' warning */", "", "yyerrlab:", " /* explicit YYERROR from an action -- pop the rhs of the rule reduced", " * before looking for error recovery */", " yystack.s_mark -= yym;", " yystate = *yystack.s_mark;", " yystack.l_mark -= yym;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yystack.p_mark -= yym;", "#endif", "", " yynewerrflag = 0;", "yyerrhandler:", " while (yyps->save)", " {", " int ctry;", " YYParseState *save = yyps->save;", "#if YYDEBUG", " if (yydebug)", " fprintf(stderr, \"%s[%d]: ERROR in state %d, CONFLICT BACKTRACKING to state %d, %d tokens\\n\",", " YYDEBUGSTR, yydepth, yystate, yyps->save->state,", " (int)(yylvp - yylvals - yyps->save->lexeme));", "#endif", " /* Memorize most forward-looking error state in case it's really an error. */", " if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals)", " {", " /* Free old saved error context state */", " if (yyerrctx) yyFreeState(yyerrctx);", " /* Create and fill out new saved error context state */", " yyerrctx = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));", " if (yyerrctx == NULL) goto yyenomem;", " yyerrctx->save = yyps->save;", " yyerrctx->state = yystate;", " yyerrctx->errflag = yyerrflag;", " yyerrctx->yystack.s_mark = yyerrctx->yystack.s_base + (yystack.s_mark - yystack.s_base);", " memcpy (yyerrctx->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));", " yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base);", " memcpy (yyerrctx->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yyerrctx->yystack.p_mark = yyerrctx->yystack.p_base + (yystack.p_mark - yystack.p_base);", " memcpy (yyerrctx->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));", "#endif", " yyerrctx->lexeme = (int) (yylvp - yylvals);", " }", " yylvp = yylvals + save->lexeme;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yylpp = yylpsns + save->lexeme;", "#endif", " yylexp = yylexemes + save->lexeme;", " yychar = YYEMPTY;", " yystack.s_mark = yystack.s_base + (save->yystack.s_mark - save->yystack.s_base);", " memcpy (yystack.s_base, save->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));", " yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base);", " memcpy (yystack.l_base, save->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yystack.p_mark = yystack.p_base + (save->yystack.p_mark - save->yystack.p_base);", " memcpy (yystack.p_base, save->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));", "#endif", " ctry = ++save->ctry;", " yystate = save->state;", " /* We tried shift, try reduce now */", " if ((yyn = yyctable[ctry]) >= 0) goto yyreduce;", " yyps->save = save->save;", " save->save = NULL;", " yyFreeState(save);", "", " /* Nothing left on the stack -- error */", " if (!yyps->save)", " {", "#if YYDEBUG", " if (yydebug)", " fprintf(stderr, \"%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\\n\",", " YYPREFIX, yydepth);", "#endif", " /* Restore state as it was in the most forward-advanced error */", " yylvp = yylvals + yyerrctx->lexeme;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yylpp = yylpsns + yyerrctx->lexeme;", "#endif", " yylexp = yylexemes + yyerrctx->lexeme;", " yychar = yylexp[-1];", " yylval = yylvp[-1];", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yylloc = yylpp[-1];", "#endif", " yystack.s_mark = yystack.s_base + (yyerrctx->yystack.s_mark - yyerrctx->yystack.s_base);", " memcpy (yystack.s_base, yyerrctx->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));", " yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base);", " memcpy (yystack.l_base, yyerrctx->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yystack.p_mark = yystack.p_base + (yyerrctx->yystack.p_mark - yyerrctx->yystack.p_base);", " memcpy (yystack.p_base, yyerrctx->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));", "#endif", " yystate = yyerrctx->state;", " yyFreeState(yyerrctx);", " yyerrctx = NULL;", " }", " yynewerrflag = 1;", " }", " if (yynewerrflag == 0) goto yyinrecovery;", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ "", " YYERROR_CALL(\"syntax error\");", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yyerror_loc_range[1] = yylloc; /* lookahead position is error start position */", "#endif", "", "#if !YYBTYACC", " goto yyerrlab; /* redundant goto avoids 'unused label' warning */", "yyerrlab:", "#endif", " ++yynerrs;", "", "yyinrecovery:", " if (yyerrflag < 3)", " {", " yyerrflag = 3;", " for (;;)", " {", " if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&", " yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)", " {", "#if YYDEBUG", " if (yydebug)", " fprintf(stderr, \"%s[%d]: state %d, error recovery shifting to state %d\\n\",", " YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]);", "#endif", " if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;", " yystate = yytable[yyn];", " *++yystack.s_mark = yytable[yyn];", " *++yystack.l_mark = yylval;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " /* lookahead position is error end position */", " yyerror_loc_range[2] = yylloc;", " YYLLOC_DEFAULT(yyloc, yyerror_loc_range, 2); /* position of error span */", " *++yystack.p_mark = yyloc;", "#endif", " goto yyloop;", " }", " else", " {", "#if YYDEBUG", " if (yydebug)", " fprintf(stderr, \"%s[%d]: error recovery discarding state %d\\n\",", " YYDEBUGSTR, yydepth, *yystack.s_mark);", "#endif", " if (yystack.s_mark <= yystack.s_base) goto yyabort;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " /* the current TOS position is the error start position */", " yyerror_loc_range[1] = *yystack.p_mark;", "#endif", "#if defined(YYDESTRUCT_CALL)", #if defined(YYBTYACC) "#if YYBTYACC", " if (!yytrial)", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " YYDESTRUCT_CALL(\"error: discarding state\",", " yystos[*yystack.s_mark], yystack.l_mark, yystack.p_mark);", "#else", " YYDESTRUCT_CALL(\"error: discarding state\",", " yystos[*yystack.s_mark], yystack.l_mark);", "#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */", "#endif /* defined(YYDESTRUCT_CALL) */", " --yystack.s_mark;", " --yystack.l_mark;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " --yystack.p_mark;", "#endif", " }", " }", " }", " else", " {", " if (yychar == YYEOF) goto yyabort;", "#if YYDEBUG", " if (yydebug)", " {", " if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];", " fprintf(stderr, \"%s[%d]: state %d, error recovery discarding token %d (%s)\\n\",", " YYDEBUGSTR, yydepth, yystate, yychar, yys);", " }", "#endif", "#if defined(YYDESTRUCT_CALL)", #if defined(YYBTYACC) "#if YYBTYACC", " if (!yytrial)", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " YYDESTRUCT_CALL(\"error: discarding token\", yychar, &yylval, &yylloc);", "#else", " YYDESTRUCT_CALL(\"error: discarding token\", yychar, &yylval);", "#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */", "#endif /* defined(YYDESTRUCT_CALL) */", " yychar = YYEMPTY;", " goto yyloop;", " }", "", "yyreduce:", " yym = yylen[yyn];", "#if YYDEBUG", " if (yydebug)", " {", " fprintf(stderr, \"%s[%d]: state %d, reducing by rule %d (%s)\",", " YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]);", "#ifdef YYSTYPE_TOSTRING", #if defined(YYBTYACC) "#if YYBTYACC", " if (!yytrial)", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ " if (yym > 0)", " {", " int i;", " fputc('<', stderr);", " for (i = yym; i > 0; i--)", " {", " if (i != yym) fputs(\", \", stderr);", " fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]],", " yystack.l_mark[1-i]), stderr);", " }", " fputc('>', stderr);", " }", "#endif", " fputc('\\n', stderr);", " }", "#endif", " if (yym > 0)", " yyval = yystack.l_mark[1-yym];", " else", " memset(&yyval, 0, sizeof yyval);", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", "", " /* Perform position reduction */", " memset(&yyloc, 0, sizeof(yyloc));", #if defined(YYBTYACC) "#if YYBTYACC", " if (!yytrial)", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ " {", " YYLLOC_DEFAULT(yyloc, &yystack.p_mark[-yym], yym);", " /* just in case YYERROR is invoked within the action, save", " the start of the rhs as the error start position */", " yyerror_loc_range[1] = yystack.p_mark[1-yym];", " }", "#endif", "", " switch (yyn)", " {", 0 }; const char *const trailer[] = { " default:", " break;", " }", " yystack.s_mark -= yym;", " yystate = *yystack.s_mark;", " yystack.l_mark -= yym;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yystack.p_mark -= yym;", "#endif", " yym = yylhs[yyn];", " if (yystate == 0 && yym == 0)", " {", "#if YYDEBUG", " if (yydebug)", " {", " fprintf(stderr, \"%s[%d]: after reduction, \", YYDEBUGSTR, yydepth);", "#ifdef YYSTYPE_TOSTRING", #if defined(YYBTYACC) "#if YYBTYACC", " if (!yytrial)", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ " fprintf(stderr, \"result is <%s>, \", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval));", "#endif", " fprintf(stderr, \"shifting from state 0 to final state %d\\n\", YYFINAL);", " }", "#endif", " yystate = YYFINAL;", " *++yystack.s_mark = YYFINAL;", " *++yystack.l_mark = yyval;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " *++yystack.p_mark = yyloc;", "#endif", " if (yychar < 0)", " {", #if defined(YYBTYACC) "#if YYBTYACC", " do {", " if (yylvp < yylve)", " {", " /* we're currently re-reading tokens */", " yylval = *yylvp++;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yylloc = *yylpp++;", "#endif", " yychar = *yylexp++;", " break;", " }", " if (yyps->save)", " {", " /* in trial mode; save scanner results for future parse attempts */", " if (yylvp == yylvlim)", " { /* Enlarge lexical value queue */", " size_t p = (size_t) (yylvp - yylvals);", " size_t s = (size_t) (yylvlim - yylvals);", "", " s += YYLVQUEUEGROWTH;", " if ((yylexemes = (YYINT *)realloc(yylexemes, s * sizeof(YYINT))) == NULL)", " goto yyenomem;", " if ((yylvals = (YYSTYPE *)realloc(yylvals, s * sizeof(YYSTYPE))) == NULL)", " goto yyenomem;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " if ((yylpsns = (YYLTYPE *)realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL)", " goto yyenomem;", "#endif", " yylvp = yylve = yylvals + p;", " yylvlim = yylvals + s;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yylpp = yylpe = yylpsns + p;", " yylplim = yylpsns + s;", "#endif", " yylexp = yylexemes + p;", " }", " *yylexp = (YYINT) YYLEX;", " *yylvp++ = yylval;", " yylve++;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " *yylpp++ = yylloc;", " yylpe++;", "#endif", " yychar = *yylexp++;", " break;", " }", " /* normal operation, no conflict encountered */", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ " yychar = YYLEX;", #if defined(YYBTYACC) "#if YYBTYACC", " } while (0);", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ " if (yychar < 0) yychar = YYEOF;", "#if YYDEBUG", " if (yydebug)", " {", " if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];", " fprintf(stderr, \"%s[%d]: state %d, reading token %d (%s)\\n\",", " YYDEBUGSTR, yydepth, YYFINAL, yychar, yys);", " }", "#endif", " }", " if (yychar == YYEOF) goto yyaccept;", " goto yyloop;", " }", " if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&", " yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)", " yystate = yytable[yyn];", " else", " yystate = yydgoto[yym];", "#if YYDEBUG", " if (yydebug)", " {", " fprintf(stderr, \"%s[%d]: after reduction, \", YYDEBUGSTR, yydepth);", "#ifdef YYSTYPE_TOSTRING", #if defined(YYBTYACC) "#if YYBTYACC", " if (!yytrial)", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ " fprintf(stderr, \"result is <%s>, \", YYSTYPE_TOSTRING(yystos[yystate], yyval));", "#endif", " fprintf(stderr, \"shifting from state %d to state %d\\n\", *yystack.s_mark, yystate);", " }", "#endif", " if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;", " *++yystack.s_mark = (YYINT) yystate;", " *++yystack.l_mark = yyval;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " *++yystack.p_mark = yyloc;", "#endif", " goto yyloop;", #if defined(YYBTYACC) "#if YYBTYACC", "", " /* Reduction declares that this path is valid. Set yypath and do a full parse */", "yyvalid:", " if (yypath) YYABORT;", " while (yyps->save)", " {", " YYParseState *save = yyps->save;", " yyps->save = save->save;", " save->save = yypath;", " yypath = save;", " }", "#if YYDEBUG", " if (yydebug)", " fprintf(stderr, \"%s[%d]: state %d, CONFLICT trial successful, backtracking to state %d, %d tokens\\n\",", " YYDEBUGSTR, yydepth, yystate, yypath->state, (int)(yylvp - yylvals - yypath->lexeme));", "#endif", " if (yyerrctx)", " {", " yyFreeState(yyerrctx);", " yyerrctx = NULL;", " }", " yylvp = yylvals + yypath->lexeme;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yylpp = yylpsns + yypath->lexeme;", "#endif", " yylexp = yylexemes + yypath->lexeme;", " yychar = YYEMPTY;", " yystack.s_mark = yystack.s_base + (yypath->yystack.s_mark - yypath->yystack.s_base);", " memcpy (yystack.s_base, yypath->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));", " yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base);", " memcpy (yystack.l_base, yypath->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " yystack.p_mark = yystack.p_base + (yypath->yystack.p_mark - yypath->yystack.p_base);", " memcpy (yystack.p_base, yypath->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));", "#endif", " yystate = yypath->state;", " goto yyloop;", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ "", "yyoverflow:", " YYERROR_CALL(\"yacc stack overflow\");", #if defined(YYBTYACC) "#if YYBTYACC", " goto yyabort_nomem;", "yyenomem:", " YYERROR_CALL(\"memory exhausted\");", "yyabort_nomem:", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ " yyresult = 2;", " goto yyreturn;", "", "yyabort:", " yyresult = 1;", " goto yyreturn;", "", "yyaccept:", #if defined(YYBTYACC) "#if YYBTYACC", " if (yyps->save) goto yyvalid;", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ " yyresult = 0;", "", "yyreturn:", "#if defined(YYDESTRUCT_CALL)", " if (yychar != YYEOF && yychar != YYEMPTY)", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " YYDESTRUCT_CALL(\"cleanup: discarding token\", yychar, &yylval, &yylloc);", "#else", " YYDESTRUCT_CALL(\"cleanup: discarding token\", yychar, &yylval);", "#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */", "", " {", " YYSTYPE *pv;", "#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)", " YYLTYPE *pp;", "", " for (pv = yystack.l_base, pp = yystack.p_base; pv <= yystack.l_mark; ++pv, ++pp)", " YYDESTRUCT_CALL(\"cleanup: discarding state\",", " yystos[*(yystack.s_base + (pv - yystack.l_base))], pv, pp);", "#else", " for (pv = yystack.l_base; pv <= yystack.l_mark; ++pv)", " YYDESTRUCT_CALL(\"cleanup: discarding state\",", " yystos[*(yystack.s_base + (pv - yystack.l_base))], pv);", "#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */", " }", "#endif /* defined(YYDESTRUCT_CALL) */", "", #if defined(YYBTYACC) "#if YYBTYACC", " if (yyerrctx)", " {", " yyFreeState(yyerrctx);", " yyerrctx = NULL;", " }", " while (yyps)", " {", " YYParseState *save = yyps;", " yyps = save->save;", " save->save = NULL;", " yyFreeState(save);", " }", " while (yypath)", " {", " YYParseState *save = yypath;", " yypath = save->save;", " save->save = NULL;", " yyFreeState(save);", " }", "#endif /* YYBTYACC */", #endif /* defined(YYBTYACC) */ " yyfreestack(&yystack);", " return (yyresult);", "}", 0 }; void write_section(FILE * fp, const char *const section[]) { int i; const char *s; for (i = 0; (s = section[i]) != 0; ++i) { if (fp == code_file) ++outline; fprintf(fp, "%s\n", s); } } diff --git a/contrib/byacc/btyaccpar.skel b/contrib/byacc/btyaccpar.skel index 009942ee041f..84ea14846138 100644 --- a/contrib/byacc/btyaccpar.skel +++ b/contrib/byacc/btyaccpar.skel @@ -1,1155 +1,1155 @@ /* $Id: btyaccpar.skel,v 1.11 2018/06/10 00:41:06 Tom.Shields Exp $ */ #include "defs.h" /* If the skeleton is changed, the banner should be changed so that */ /* the altered version can be easily distinguished from the original. */ /* */ /* The #defines included with the banner are there because they are */ /* useful in subsequent code. The macros #defined in the header or */ /* the body either are not useful outside of semantic actions or */ /* are conditional. */ %% banner /* original parser id follows */ /* yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93" */ /* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */ #define YYBYACC 1 %% insert VERSION here #define YYEMPTY (-1) #define yyclearin (yychar = YYEMPTY) #define yyerrok (yyerrflag = 0) #define YYRECOVERING() (yyerrflag != 0) #define YYENOMEM (-2) #define YYEOF 0 %% xdecls extern int YYPARSE_DECL(); %% tables extern const YYINT yylhs[]; extern const YYINT yylen[]; extern const YYINT yydefred[]; extern const YYINT yystos[]; extern const YYINT yydgoto[]; extern const YYINT yysindex[]; extern const YYINT yyrindex[]; %%ifdef YYBTYACC extern const YYINT yycindex[]; %%endif extern const YYINT yygindex[]; extern const YYINT yytable[]; extern const YYINT yycheck[]; %%ifdef YYBTYACC extern const YYINT yyctable[]; %%endif #if YYDEBUG || defined(yytname) extern const char *const yyname[]; #endif #if YYDEBUG extern const char *const yyrule[]; #endif %% global_vars #if YYDEBUG int yydebug; #endif %% impure_vars int yyerrflag; int yychar; YYSTYPE yyval; YYSTYPE yylval; int yynerrs; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) YYLTYPE yyloc; /* position returned by actions */ YYLTYPE yylloc; /* position from the lexer */ #endif %% hdr_defs #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) #ifndef YYLLOC_DEFAULT #define YYLLOC_DEFAULT(loc, rhs, n) \ do \ { \ if (n == 0) \ { \ (loc).first_line = YYRHSLOC(rhs, 0).last_line; \ (loc).first_column = YYRHSLOC(rhs, 0).last_column; \ (loc).last_line = YYRHSLOC(rhs, 0).last_line; \ (loc).last_column = YYRHSLOC(rhs, 0).last_column; \ } \ else \ { \ (loc).first_line = YYRHSLOC(rhs, 1).first_line; \ (loc).first_column = YYRHSLOC(rhs, 1).first_column; \ (loc).last_line = YYRHSLOC(rhs, n).last_line; \ (loc).last_column = YYRHSLOC(rhs, n).last_column; \ } \ } while (0) #endif /* YYLLOC_DEFAULT */ #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ %%ifdef YYBTYACC #ifndef YYLVQUEUEGROWTH #define YYLVQUEUEGROWTH 32 #endif %%endif /* define the initial stack-sizes */ #ifdef YYSTACKSIZE #undef YYMAXDEPTH #define YYMAXDEPTH YYSTACKSIZE #else #ifdef YYMAXDEPTH #define YYSTACKSIZE YYMAXDEPTH #else #define YYSTACKSIZE 10000 #define YYMAXDEPTH 10000 #endif #endif #ifndef YYINITSTACKSIZE #define YYINITSTACKSIZE 200 #endif typedef struct { unsigned stacksize; YYINT *s_base; YYINT *s_mark; YYINT *s_last; YYSTYPE *l_base; YYSTYPE *l_mark; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) YYLTYPE *p_base; YYLTYPE *p_mark; #endif } YYSTACKDATA; %%ifdef YYBTYACC struct YYParseState_s { struct YYParseState_s *save; /* Previously saved parser state */ YYSTACKDATA yystack; /* saved parser stack */ int state; /* saved parser state */ int errflag; /* saved error recovery status */ int lexeme; /* saved index of the conflict lexeme in the lexical queue */ YYINT ctry; /* saved index in yyctable[] for this conflict */ }; typedef struct YYParseState_s YYParseState; %%endif YYBTYACC %% hdr_vars /* variables for the parser stack */ static YYSTACKDATA yystack; %%ifdef YYBTYACC /* Current parser state */ static YYParseState *yyps = 0; /* yypath != NULL: do the full parse, starting at *yypath parser state. */ static YYParseState *yypath = 0; /* Base of the lexical value queue */ static YYSTYPE *yylvals = 0; /* Current position at lexical value queue */ static YYSTYPE *yylvp = 0; /* End position of lexical value queue */ static YYSTYPE *yylve = 0; /* The last allocated position at the lexical value queue */ static YYSTYPE *yylvlim = 0; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) /* Base of the lexical position queue */ static YYLTYPE *yylpsns = 0; /* Current position at lexical position queue */ static YYLTYPE *yylpp = 0; /* End position of lexical position queue */ static YYLTYPE *yylpe = 0; /* The last allocated position at the lexical position queue */ static YYLTYPE *yylplim = 0; #endif /* Current position at lexical token queue */ static YYINT *yylexp = 0; static YYINT *yylexemes = 0; %%endif YYBTYACC %% body_vars int yyerrflag; int yychar; YYSTYPE yyval; YYSTYPE yylval; int yynerrs; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) YYLTYPE yyloc; /* position returned by actions */ YYLTYPE yylloc; /* position from the lexer */ #endif /* variables for the parser stack */ YYSTACKDATA yystack; %%ifdef YYBTYACC /* Current parser state */ static YYParseState *yyps = 0; /* yypath != NULL: do the full parse, starting at *yypath parser state. */ static YYParseState *yypath = 0; /* Base of the lexical value queue */ static YYSTYPE *yylvals = 0; /* Current position at lexical value queue */ static YYSTYPE *yylvp = 0; /* End position of lexical value queue */ static YYSTYPE *yylve = 0; /* The last allocated position at the lexical value queue */ static YYSTYPE *yylvlim = 0; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) /* Base of the lexical position queue */ static YYLTYPE *yylpsns = 0; /* Current position at lexical position queue */ static YYLTYPE *yylpp = 0; /* End position of lexical position queue */ static YYLTYPE *yylpe = 0; /* The last allocated position at the lexical position queue */ static YYLTYPE *yylplim = 0; #endif /* Current position at lexical token queue */ static YYINT *yylexp = 0; static YYINT *yylexemes = 0; %%endif YYBTYACC %% body_1 /* For use in generated program */ #define yydepth (int)(yystack.s_mark - yystack.s_base) %%ifdef YYBTYACC #define yytrial (yyps->save) %%endif #if YYDEBUG #include /* needed for printf */ #endif #include /* needed for malloc, etc */ #include /* needed for memset */ /* allocate initial stack or double stack size, up to YYMAXDEPTH */ static int yygrowstack(YYSTACKDATA *data) { int i; unsigned newsize; YYINT *newss; YYSTYPE *newvs; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) YYLTYPE *newps; #endif if ((newsize = data->stacksize) == 0) newsize = YYINITSTACKSIZE; else if (newsize >= YYMAXDEPTH) return YYENOMEM; else if ((newsize *= 2) > YYMAXDEPTH) newsize = YYMAXDEPTH; i = (int) (data->s_mark - data->s_base); newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss)); - if (newss == 0) + if (newss == NULL) return YYENOMEM; data->s_base = newss; data->s_mark = newss + i; newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs)); - if (newvs == 0) + if (newvs == NULL) return YYENOMEM; data->l_base = newvs; data->l_mark = newvs + i; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps)); - if (newps == 0) + if (newps == NULL) return YYENOMEM; data->p_base = newps; data->p_mark = newps + i; #endif data->stacksize = newsize; data->s_last = data->s_base + newsize - 1; #if YYDEBUG if (yydebug) fprintf(stderr, "%sdebug: stack size increased to %d\n", YYPREFIX, newsize); #endif return 0; } #if YYPURE || defined(YY_NO_LEAKS) static void yyfreestack(YYSTACKDATA *data) { free(data->s_base); free(data->l_base); #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) free(data->p_base); #endif memset(data, 0, sizeof(*data)); } #else #define yyfreestack(data) /* nothing */ #endif /* YYPURE || defined(YY_NO_LEAKS) */ %%ifdef YYBTYACC static YYParseState * yyNewState(unsigned size) { YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState)); if (p == NULL) return NULL; p->yystack.stacksize = size; if (size == 0) { p->yystack.s_base = NULL; p->yystack.l_base = NULL; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) p->yystack.p_base = NULL; #endif return p; } p->yystack.s_base = (YYINT *) malloc(size * sizeof(YYINT)); if (p->yystack.s_base == NULL) return NULL; p->yystack.l_base = (YYSTYPE *) malloc(size * sizeof(YYSTYPE)); if (p->yystack.l_base == NULL) return NULL; memset(p->yystack.l_base, 0, size * sizeof(YYSTYPE)); #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) p->yystack.p_base = (YYLTYPE *) malloc(size * sizeof(YYLTYPE)); if (p->yystack.p_base == NULL) return NULL; memset(p->yystack.p_base, 0, size * sizeof(YYLTYPE)); #endif return p; } static void yyFreeState(YYParseState *p) { yyfreestack(&p->yystack); free(p); } %%endif YYBTYACC #define YYABORT goto yyabort #define YYREJECT goto yyabort #define YYACCEPT goto yyaccept #define YYERROR goto yyerrlab %%ifdef YYBTYACC #define YYVALID do { if (yyps->save) goto yyvalid; } while(0) #define YYVALID_NESTED do { if (yyps->save && \ yyps->save->save == 0) goto yyvalid; } while(0) %%endif int YYPARSE_DECL() { %% body_2 int yym, yyn, yystate, yyresult; %%ifdef YYBTYACC int yynewerrflag; YYParseState *yyerrctx = NULL; %%endif #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) YYLTYPE yyerror_loc_range[3]; /* position of error start/end (0 unused) */ #endif #if YYDEBUG const char *yys; - if ((yys = getenv("YYDEBUG")) != 0) + if ((yys = getenv("YYDEBUG")) != NULL) { yyn = *yys; if (yyn >= '0' && yyn <= '9') yydebug = yyn - '0'; } if (yydebug) fprintf(stderr, "%sdebug[<# of symbols on state stack>]\n", YYPREFIX); #endif #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) memset(yyerror_loc_range, 0, sizeof(yyerror_loc_range)); #endif %% init_vars yyerrflag = 0; yychar = 0; memset(&yyval, 0, sizeof(yyval)); memset(&yylval, 0, sizeof(yylval)); #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) memset(&yyloc, 0, sizeof(yyloc)); memset(&yylloc, 0, sizeof(yylloc)); #endif %% body_3 %%ifdef YYBTYACC yyps = yyNewState(0); if (yyps == 0) goto yyenomem; yyps->save = 0; %%endif yym = 0; yyn = 0; yynerrs = 0; yyerrflag = 0; yychar = YYEMPTY; yystate = 0; #if YYPURE memset(&yystack, 0, sizeof(yystack)); #endif if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; yystack.s_mark = yystack.s_base; yystack.l_mark = yystack.l_base; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yystack.p_mark = yystack.p_base; #endif yystate = 0; *yystack.s_mark = 0; yyloop: if ((yyn = yydefred[yystate]) != 0) goto yyreduce; if (yychar < 0) { %%ifdef YYBTYACC do { if (yylvp < yylve) { /* we're currently re-reading tokens */ yylval = *yylvp++; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yylloc = *yylpp++; #endif yychar = *yylexp++; break; } if (yyps->save) { /* in trial mode; save scanner results for future parse attempts */ if (yylvp == yylvlim) { /* Enlarge lexical value queue */ size_t p = (size_t) (yylvp - yylvals); size_t s = (size_t) (yylvlim - yylvals); s += YYLVQUEUEGROWTH; if ((yylexemes = (YYINT *)realloc(yylexemes, s * sizeof(YYINT))) == NULL) goto yyenomem; if ((yylvals = (YYSTYPE *)realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) if ((yylpsns = (YYLTYPE *)realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem; #endif yylvp = yylve = yylvals + p; yylvlim = yylvals + s; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yylpp = yylpe = yylpsns + p; yylplim = yylpsns + s; #endif yylexp = yylexemes + p; } *yylexp = (YYINT) YYLEX; *yylvp++ = yylval; yylve++; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) *yylpp++ = yylloc; yylpe++; #endif yychar = *yylexp++; break; } /* normal operation, no conflict encountered */ %%endif YYBTYACC yychar = YYLEX; %%ifdef YYBTYACC } while (0); %%endif if (yychar < 0) yychar = YYEOF; #if YYDEBUG if (yydebug) { if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)", YYDEBUGSTR, yydepth, yystate, yychar, yys); #ifdef YYSTYPE_TOSTRING %%ifdef YYBTYACC if (!yytrial) %%endif fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval)); #endif fputc('\n', stderr); } #endif } %%ifdef YYBTYACC /* Do we have a conflict? */ if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) { YYINT ctry; if (yypath) { YYParseState *save; #if YYDEBUG if (yydebug) fprintf(stderr, "%s[%d]: CONFLICT in state %d: following successful trial parse\n", YYDEBUGSTR, yydepth, yystate); #endif /* Switch to the next conflict context */ save = yypath; yypath = save->save; save->save = NULL; ctry = save->ctry; if (save->state != yystate) YYABORT; yyFreeState(save); } else { /* Unresolved conflict - start/continue trial parse */ YYParseState *save; #if YYDEBUG if (yydebug) { fprintf(stderr, "%s[%d]: CONFLICT in state %d. ", YYDEBUGSTR, yydepth, yystate); if (yyps->save) fputs("ALREADY in conflict, continuing trial parse.\n", stderr); else fputs("Starting trial parse.\n", stderr); } #endif save = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1)); if (save == NULL) goto yyenomem; save->save = yyps->save; save->state = yystate; save->errflag = yyerrflag; save->yystack.s_mark = save->yystack.s_base + (yystack.s_mark - yystack.s_base); memcpy (save->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); save->yystack.l_mark = save->yystack.l_base + (yystack.l_mark - yystack.l_base); memcpy (save->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) save->yystack.p_mark = save->yystack.p_base + (yystack.p_mark - yystack.p_base); memcpy (save->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); #endif ctry = yytable[yyn]; if (yyctable[ctry] == -1) { #if YYDEBUG if (yydebug && yychar >= YYEOF) fprintf(stderr, "%s[%d]: backtracking 1 token\n", YYDEBUGSTR, yydepth); #endif ctry++; } save->ctry = ctry; if (yyps->save == NULL) { /* If this is a first conflict in the stack, start saving lexemes */ if (!yylexemes) { yylexemes = (YYINT *) malloc((YYLVQUEUEGROWTH) * sizeof(YYINT)); if (yylexemes == NULL) goto yyenomem; yylvals = (YYSTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYSTYPE)); if (yylvals == NULL) goto yyenomem; yylvlim = yylvals + YYLVQUEUEGROWTH; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yylpsns = (YYLTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYLTYPE)); if (yylpsns == NULL) goto yyenomem; yylplim = yylpsns + YYLVQUEUEGROWTH; #endif } if (yylvp == yylve) { yylvp = yylve = yylvals; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yylpp = yylpe = yylpsns; #endif yylexp = yylexemes; if (yychar >= YYEOF) { *yylve++ = yylval; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) *yylpe++ = yylloc; #endif *yylexp = (YYINT) yychar; yychar = YYEMPTY; } } } if (yychar >= YYEOF) { yylvp--; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yylpp--; #endif yylexp--; yychar = YYEMPTY; } save->lexeme = (int) (yylvp - yylvals); yyps->save = save; } if (yytable[yyn] == ctry) { #if YYDEBUG if (yydebug) fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n", YYDEBUGSTR, yydepth, yystate, yyctable[ctry]); #endif if (yychar < 0) { yylvp++; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yylpp++; #endif yylexp++; } if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; yystate = yyctable[ctry]; *++yystack.s_mark = (YYINT) yystate; *++yystack.l_mark = yylval; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) *++yystack.p_mark = yylloc; #endif yychar = YYEMPTY; if (yyerrflag > 0) --yyerrflag; goto yyloop; } else { yyn = yyctable[ctry]; goto yyreduce; } } /* End of code dealing with conflicts */ %%endif YYBTYACC if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) { #if YYDEBUG if (yydebug) fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n", YYDEBUGSTR, yydepth, yystate, yytable[yyn]); #endif if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; yystate = yytable[yyn]; *++yystack.s_mark = yytable[yyn]; *++yystack.l_mark = yylval; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) *++yystack.p_mark = yylloc; #endif yychar = YYEMPTY; if (yyerrflag > 0) --yyerrflag; goto yyloop; } if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) { yyn = yytable[yyn]; goto yyreduce; } if (yyerrflag != 0) goto yyinrecovery; %%ifdef YYBTYACC yynewerrflag = 1; goto yyerrhandler; goto yyerrlab; /* redundant goto avoids 'unused label' warning */ yyerrlab: /* explicit YYERROR from an action -- pop the rhs of the rule reduced * before looking for error recovery */ yystack.s_mark -= yym; yystate = *yystack.s_mark; yystack.l_mark -= yym; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yystack.p_mark -= yym; #endif yynewerrflag = 0; yyerrhandler: while (yyps->save) { int ctry; YYParseState *save = yyps->save; #if YYDEBUG if (yydebug) fprintf(stderr, "%s[%d]: ERROR in state %d, CONFLICT BACKTRACKING to state %d, %d tokens\n", YYDEBUGSTR, yydepth, yystate, yyps->save->state, (int)(yylvp - yylvals - yyps->save->lexeme)); #endif /* Memorize most forward-looking error state in case it's really an error. */ if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals) { /* Free old saved error context state */ if (yyerrctx) yyFreeState(yyerrctx); /* Create and fill out new saved error context state */ yyerrctx = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1)); if (yyerrctx == NULL) goto yyenomem; yyerrctx->save = yyps->save; yyerrctx->state = yystate; yyerrctx->errflag = yyerrflag; yyerrctx->yystack.s_mark = yyerrctx->yystack.s_base + (yystack.s_mark - yystack.s_base); memcpy (yyerrctx->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base); memcpy (yyerrctx->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yyerrctx->yystack.p_mark = yyerrctx->yystack.p_base + (yystack.p_mark - yystack.p_base); memcpy (yyerrctx->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); #endif yyerrctx->lexeme = (int) (yylvp - yylvals); } yylvp = yylvals + save->lexeme; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yylpp = yylpsns + save->lexeme; #endif yylexp = yylexemes + save->lexeme; yychar = YYEMPTY; yystack.s_mark = yystack.s_base + (save->yystack.s_mark - save->yystack.s_base); memcpy (yystack.s_base, save->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base); memcpy (yystack.l_base, save->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yystack.p_mark = yystack.p_base + (save->yystack.p_mark - save->yystack.p_base); memcpy (yystack.p_base, save->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); #endif ctry = ++save->ctry; yystate = save->state; /* We tried shift, try reduce now */ if ((yyn = yyctable[ctry]) >= 0) goto yyreduce; yyps->save = save->save; save->save = NULL; yyFreeState(save); /* Nothing left on the stack -- error */ if (!yyps->save) { #if YYDEBUG if (yydebug) fprintf(stderr, "%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\n", YYPREFIX, yydepth); #endif /* Restore state as it was in the most forward-advanced error */ yylvp = yylvals + yyerrctx->lexeme; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yylpp = yylpsns + yyerrctx->lexeme; #endif yylexp = yylexemes + yyerrctx->lexeme; yychar = yylexp[-1]; yylval = yylvp[-1]; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yylloc = yylpp[-1]; #endif yystack.s_mark = yystack.s_base + (yyerrctx->yystack.s_mark - yyerrctx->yystack.s_base); memcpy (yystack.s_base, yyerrctx->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base); memcpy (yystack.l_base, yyerrctx->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yystack.p_mark = yystack.p_base + (yyerrctx->yystack.p_mark - yyerrctx->yystack.p_base); memcpy (yystack.p_base, yyerrctx->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); #endif yystate = yyerrctx->state; yyFreeState(yyerrctx); yyerrctx = NULL; } yynewerrflag = 1; } if (yynewerrflag == 0) goto yyinrecovery; %%endif YYBTYACC YYERROR_CALL("syntax error"); #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yyerror_loc_range[1] = yylloc; /* lookahead position is error start position */ #endif #if !YYBTYACC goto yyerrlab; /* redundant goto avoids 'unused label' warning */ yyerrlab: #endif ++yynerrs; yyinrecovery: if (yyerrflag < 3) { yyerrflag = 3; for (;;) { if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE) { #if YYDEBUG if (yydebug) fprintf(stderr, "%s[%d]: state %d, error recovery shifting to state %d\n", YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]); #endif if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; yystate = yytable[yyn]; *++yystack.s_mark = yytable[yyn]; *++yystack.l_mark = yylval; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) /* lookahead position is error end position */ yyerror_loc_range[2] = yylloc; YYLLOC_DEFAULT(yyloc, yyerror_loc_range, 2); /* position of error span */ *++yystack.p_mark = yyloc; #endif goto yyloop; } else { #if YYDEBUG if (yydebug) fprintf(stderr, "%s[%d]: error recovery discarding state %d\n", YYDEBUGSTR, yydepth, *yystack.s_mark); #endif if (yystack.s_mark <= yystack.s_base) goto yyabort; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) /* the current TOS position is the error start position */ yyerror_loc_range[1] = *yystack.p_mark; #endif #if defined(YYDESTRUCT_CALL) %%ifdef YYBTYACC if (!yytrial) %%endif #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) YYDESTRUCT_CALL("error: discarding state", yystos[*yystack.s_mark], yystack.l_mark, yystack.p_mark); #else YYDESTRUCT_CALL("error: discarding state", yystos[*yystack.s_mark], yystack.l_mark); #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ #endif /* defined(YYDESTRUCT_CALL) */ --yystack.s_mark; --yystack.l_mark; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) --yystack.p_mark; #endif } } } else { if (yychar == YYEOF) goto yyabort; #if YYDEBUG if (yydebug) { if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; fprintf(stderr, "%s[%d]: state %d, error recovery discarding token %d (%s)\n", YYDEBUGSTR, yydepth, yystate, yychar, yys); } #endif #if defined(YYDESTRUCT_CALL) %%ifdef YYBTYACC if (!yytrial) %%endif #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) YYDESTRUCT_CALL("error: discarding token", yychar, &yylval, &yylloc); #else YYDESTRUCT_CALL("error: discarding token", yychar, &yylval); #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ #endif /* defined(YYDESTRUCT_CALL) */ yychar = YYEMPTY; goto yyloop; } yyreduce: yym = yylen[yyn]; #if YYDEBUG if (yydebug) { fprintf(stderr, "%s[%d]: state %d, reducing by rule %d (%s)", YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]); #ifdef YYSTYPE_TOSTRING %%ifdef YYBTYACC if (!yytrial) %%endif if (yym > 0) { int i; fputc('<', stderr); for (i = yym; i > 0; i--) { if (i != yym) fputs(", ", stderr); fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]], yystack.l_mark[1-i]), stderr); } fputc('>', stderr); } #endif fputc('\n', stderr); } #endif if (yym > 0) yyval = yystack.l_mark[1-yym]; else memset(&yyval, 0, sizeof yyval); #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) /* Perform position reduction */ memset(&yyloc, 0, sizeof(yyloc)); %%ifdef YYBTYACC if (!yytrial) %%endif { YYLLOC_DEFAULT(yyloc, &yystack.p_mark[-yym], yym); /* just in case YYERROR is invoked within the action, save the start of the rhs as the error start position */ yyerror_loc_range[1] = yystack.p_mark[1-yym]; } #endif switch (yyn) { %% trailer default: break; } yystack.s_mark -= yym; yystate = *yystack.s_mark; yystack.l_mark -= yym; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yystack.p_mark -= yym; #endif yym = yylhs[yyn]; if (yystate == 0 && yym == 0) { #if YYDEBUG if (yydebug) { fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth); #ifdef YYSTYPE_TOSTRING %%ifdef YYBTYACC if (!yytrial) %%endif fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval)); #endif fprintf(stderr, "shifting from state 0 to final state %d\n", YYFINAL); } #endif yystate = YYFINAL; *++yystack.s_mark = YYFINAL; *++yystack.l_mark = yyval; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) *++yystack.p_mark = yyloc; #endif if (yychar < 0) { %%ifdef YYBTYACC do { if (yylvp < yylve) { /* we're currently re-reading tokens */ yylval = *yylvp++; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yylloc = *yylpp++; #endif yychar = *yylexp++; break; } if (yyps->save) { /* in trial mode; save scanner results for future parse attempts */ if (yylvp == yylvlim) { /* Enlarge lexical value queue */ size_t p = (size_t) (yylvp - yylvals); size_t s = (size_t) (yylvlim - yylvals); s += YYLVQUEUEGROWTH; if ((yylexemes = (YYINT *)realloc(yylexemes, s * sizeof(YYINT))) == NULL) goto yyenomem; if ((yylvals = (YYSTYPE *)realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) if ((yylpsns = (YYLTYPE *)realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem; #endif yylvp = yylve = yylvals + p; yylvlim = yylvals + s; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yylpp = yylpe = yylpsns + p; yylplim = yylpsns + s; #endif yylexp = yylexemes + p; } *yylexp = (YYINT) YYLEX; *yylvp++ = yylval; yylve++; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) *yylpp++ = yylloc; yylpe++; #endif yychar = *yylexp++; break; } /* normal operation, no conflict encountered */ %%endif YYBTYACC yychar = YYLEX; %%ifdef YYBTYACC } while (0); %%endif if (yychar < 0) yychar = YYEOF; #if YYDEBUG if (yydebug) { if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)\n", YYDEBUGSTR, yydepth, YYFINAL, yychar, yys); } #endif } if (yychar == YYEOF) goto yyaccept; goto yyloop; } if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate) yystate = yytable[yyn]; else yystate = yydgoto[yym]; #if YYDEBUG if (yydebug) { fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth); #ifdef YYSTYPE_TOSTRING %%ifdef YYBTYACC if (!yytrial) %%endif fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[yystate], yyval)); #endif fprintf(stderr, "shifting from state %d to state %d\n", *yystack.s_mark, yystate); } #endif if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; *++yystack.s_mark = (YYINT) yystate; *++yystack.l_mark = yyval; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) *++yystack.p_mark = yyloc; #endif goto yyloop; %%ifdef YYBTYACC /* Reduction declares that this path is valid. Set yypath and do a full parse */ yyvalid: if (yypath) YYABORT; while (yyps->save) { YYParseState *save = yyps->save; yyps->save = save->save; save->save = yypath; yypath = save; } #if YYDEBUG if (yydebug) fprintf(stderr, "%s[%d]: state %d, CONFLICT trial successful, backtracking to state %d, %d tokens\n", YYDEBUGSTR, yydepth, yystate, yypath->state, (int)(yylvp - yylvals - yypath->lexeme)); #endif if (yyerrctx) { yyFreeState(yyerrctx); yyerrctx = NULL; } yylvp = yylvals + yypath->lexeme; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yylpp = yylpsns + yypath->lexeme; #endif yylexp = yylexemes + yypath->lexeme; yychar = YYEMPTY; yystack.s_mark = yystack.s_base + (yypath->yystack.s_mark - yypath->yystack.s_base); memcpy (yystack.s_base, yypath->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base); memcpy (yystack.l_base, yypath->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) yystack.p_mark = yystack.p_base + (yypath->yystack.p_mark - yypath->yystack.p_base); memcpy (yystack.p_base, yypath->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); #endif yystate = yypath->state; goto yyloop; %%endif YYBTYACC yyoverflow: YYERROR_CALL("yacc stack overflow"); %%ifdef YYBTYACC goto yyabort_nomem; yyenomem: YYERROR_CALL("memory exhausted"); yyabort_nomem: %%endif yyresult = 2; goto yyreturn; yyabort: yyresult = 1; goto yyreturn; yyaccept: %%ifdef YYBTYACC if (yyps->save) goto yyvalid; %%endif yyresult = 0; yyreturn: #if defined(YYDESTRUCT_CALL) if (yychar != YYEOF && yychar != YYEMPTY) #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval, &yylloc); #else YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval); #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ { YYSTYPE *pv; #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) YYLTYPE *pp; for (pv = yystack.l_base, pp = yystack.p_base; pv <= yystack.l_mark; ++pv, ++pp) YYDESTRUCT_CALL("cleanup: discarding state", yystos[*(yystack.s_base + (pv - yystack.l_base))], pv, pp); #else for (pv = yystack.l_base; pv <= yystack.l_mark; ++pv) YYDESTRUCT_CALL("cleanup: discarding state", yystos[*(yystack.s_base + (pv - yystack.l_base))], pv); #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ } #endif /* defined(YYDESTRUCT_CALL) */ %%ifdef YYBTYACC if (yyerrctx) { yyFreeState(yyerrctx); yyerrctx = NULL; } while (yyps) { YYParseState *save = yyps; yyps = save->save; save->save = NULL; yyFreeState(save); } while (yypath) { YYParseState *save = yypath; yypath = save->save; save->save = NULL; yyFreeState(save); } %%endif YYBTYACC yyfreestack(&yystack); return (yyresult); } diff --git a/contrib/byacc/yaccpar.c b/contrib/byacc/yaccpar.c index e57bd4bb7d36..30299074523f 100644 --- a/contrib/byacc/yaccpar.c +++ b/contrib/byacc/yaccpar.c @@ -1,431 +1,431 @@ /* This file generated automatically using * @Id: skel2c,v 1.4 2016/06/07 00:26:09 tom Exp @ */ /* @Id: yaccpar.skel,v 1.10 2018/05/06 21:28:14 Guy.Harris Exp @ */ #include "defs.h" /* If the skeleton is changed, the banner should be changed so that */ /* the altered version can be easily distinguished from the original. */ /* */ /* The #defines included with the banner are there because they are */ /* useful in subsequent code. The macros #defined in the header or */ /* the body either are not useful outside of semantic actions or */ /* are conditional. */ const char *const banner[] = { "/* original parser id follows */", "/* yysccsid[] = \"@(#)yaccpar 1.9 (Berkeley) 02/21/93\" */", "/* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */", "", "#define YYBYACC 1", CONCAT1("#define YYMAJOR ", YYMAJOR), CONCAT1("#define YYMINOR ", YYMINOR), #ifdef YYPATCH CONCAT1("#define YYPATCH ", YYPATCH), #endif "", "#define YYEMPTY (-1)", "#define yyclearin (yychar = YYEMPTY)", "#define yyerrok (yyerrflag = 0)", "#define YYRECOVERING() (yyerrflag != 0)", "#define YYENOMEM (-2)", "#define YYEOF 0", 0 }; const char *const xdecls[] = { "", "extern int YYPARSE_DECL();", 0 }; const char *const tables[] = { "extern YYINT yylhs[];", "extern YYINT yylen[];", "extern YYINT yydefred[];", "extern YYINT yydgoto[];", "extern YYINT yysindex[];", "extern YYINT yyrindex[];", "extern YYINT yygindex[];", "extern YYINT yytable[];", "extern YYINT yycheck[];", "", "#if YYDEBUG || defined(yytname)", "extern char *yyname[];", "#endif", "#if YYDEBUG", "extern char *yyrule[];", "#endif", 0 }; const char *const global_vars[] = { "", "#if YYDEBUG", "int yydebug;", "#endif", 0 }; const char *const impure_vars[] = { "", "int yyerrflag;", "int yychar;", "YYSTYPE yyval;", "YYSTYPE yylval;", "int yynerrs;", 0 }; const char *const hdr_defs[] = { "", "/* define the initial stack-sizes */", "#ifdef YYSTACKSIZE", "#undef YYMAXDEPTH", "#define YYMAXDEPTH YYSTACKSIZE", "#else", "#ifdef YYMAXDEPTH", "#define YYSTACKSIZE YYMAXDEPTH", "#else", "#define YYSTACKSIZE 10000", "#define YYMAXDEPTH 10000", "#endif", "#endif", "", "#define YYINITSTACKSIZE 200", "", "typedef struct {", " unsigned stacksize;", " YYINT *s_base;", " YYINT *s_mark;", " YYINT *s_last;", " YYSTYPE *l_base;", " YYSTYPE *l_mark;", "} YYSTACKDATA;", 0 }; const char *const hdr_vars[] = { "/* variables for the parser stack */", "static YYSTACKDATA yystack;", 0 }; const char *const body_vars[] = { " int yyerrflag;", " int yychar;", " YYSTYPE yyval;", " YYSTYPE yylval;", " int yynerrs;", "", " /* variables for the parser stack */", " YYSTACKDATA yystack;", 0 }; const char *const body_1[] = { "", "#if YYDEBUG", "#include /* needed for printf */", "#endif", "", "#include /* needed for malloc, etc */", "#include /* needed for memset */", "", "/* allocate initial stack or double stack size, up to YYMAXDEPTH */", "static int yygrowstack(YYSTACKDATA *data)", "{", " int i;", " unsigned newsize;", " YYINT *newss;", " YYSTYPE *newvs;", "", " if ((newsize = data->stacksize) == 0)", " newsize = YYINITSTACKSIZE;", " else if (newsize >= YYMAXDEPTH)", " return YYENOMEM;", " else if ((newsize *= 2) > YYMAXDEPTH)", " newsize = YYMAXDEPTH;", "", " i = (int) (data->s_mark - data->s_base);", " newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));", - " if (newss == 0)", + " if (newss == NULL)", " return YYENOMEM;", "", " data->s_base = newss;", " data->s_mark = newss + i;", "", " newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));", - " if (newvs == 0)", + " if (newvs == NULL)", " return YYENOMEM;", "", " data->l_base = newvs;", " data->l_mark = newvs + i;", "", " data->stacksize = newsize;", " data->s_last = data->s_base + newsize - 1;", " return 0;", "}", "", "#if YYPURE || defined(YY_NO_LEAKS)", "static void yyfreestack(YYSTACKDATA *data)", "{", " free(data->s_base);", " free(data->l_base);", " memset(data, 0, sizeof(*data));", "}", "#else", "#define yyfreestack(data) /* nothing */", "#endif", "", "#define YYABORT goto yyabort", "#define YYREJECT goto yyabort", "#define YYACCEPT goto yyaccept", "#define YYERROR goto yyerrlab", "", "int", "YYPARSE_DECL()", "{", 0 }; const char *const body_2[] = { " int yym, yyn, yystate;", "#if YYDEBUG", " const char *yys;", "", - " if ((yys = getenv(\"YYDEBUG\")) != 0)", + " if ((yys = getenv(\"YYDEBUG\")) != NULL)", " {", " yyn = *yys;", " if (yyn >= '0' && yyn <= '9')", " yydebug = yyn - '0';", " }", "#endif", "", 0 }; const char *const init_vars[] = { " memset(&yyval, 0, sizeof(yyval));", " memset(&yylval, 0, sizeof(yylval));", "", 0 }; const char *const body_3[] = { " yym = 0;", " yyn = 0;", " yynerrs = 0;", " yyerrflag = 0;", " yychar = YYEMPTY;", " yystate = 0;", "", "#if YYPURE", " memset(&yystack, 0, sizeof(yystack));", "#endif", "", " if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;", " yystack.s_mark = yystack.s_base;", " yystack.l_mark = yystack.l_base;", " yystate = 0;", " *yystack.s_mark = 0;", "", "yyloop:", " if ((yyn = yydefred[yystate]) != 0) goto yyreduce;", " if (yychar < 0)", " {", " yychar = YYLEX;", " if (yychar < 0) yychar = YYEOF;", "#if YYDEBUG", " if (yydebug)", " {", " if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];", " printf(\"%sdebug: state %d, reading %d (%s)\\n\",", " YYPREFIX, yystate, yychar, yys);", " }", "#endif", " }", " if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&", " yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)", " {", "#if YYDEBUG", " if (yydebug)", " printf(\"%sdebug: state %d, shifting to state %d\\n\",", " YYPREFIX, yystate, yytable[yyn]);", "#endif", " if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;", " yystate = yytable[yyn];", " *++yystack.s_mark = yytable[yyn];", " *++yystack.l_mark = yylval;", " yychar = YYEMPTY;", " if (yyerrflag > 0) --yyerrflag;", " goto yyloop;", " }", " if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&", " yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)", " {", " yyn = yytable[yyn];", " goto yyreduce;", " }", " if (yyerrflag != 0) goto yyinrecovery;", "", " YYERROR_CALL(\"syntax error\");", "", " goto yyerrlab; /* redundant goto avoids 'unused label' warning */", "yyerrlab:", " ++yynerrs;", "", "yyinrecovery:", " if (yyerrflag < 3)", " {", " yyerrflag = 3;", " for (;;)", " {", " if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&", " yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)", " {", "#if YYDEBUG", " if (yydebug)", " printf(\"%sdebug: state %d, error recovery shifting\\", " to state %d\\n\", YYPREFIX, *yystack.s_mark, yytable[yyn]);", "#endif", " if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;", " yystate = yytable[yyn];", " *++yystack.s_mark = yytable[yyn];", " *++yystack.l_mark = yylval;", " goto yyloop;", " }", " else", " {", "#if YYDEBUG", " if (yydebug)", " printf(\"%sdebug: error recovery discarding state %d\\n\",", " YYPREFIX, *yystack.s_mark);", "#endif", " if (yystack.s_mark <= yystack.s_base) goto yyabort;", " --yystack.s_mark;", " --yystack.l_mark;", " }", " }", " }", " else", " {", " if (yychar == YYEOF) goto yyabort;", "#if YYDEBUG", " if (yydebug)", " {", " if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];", " printf(\"%sdebug: state %d, error recovery discards token %d (%s)\\n\",", " YYPREFIX, yystate, yychar, yys);", " }", "#endif", " yychar = YYEMPTY;", " goto yyloop;", " }", "", "yyreduce:", "#if YYDEBUG", " if (yydebug)", " printf(\"%sdebug: state %d, reducing by rule %d (%s)\\n\",", " YYPREFIX, yystate, yyn, yyrule[yyn]);", "#endif", " yym = yylen[yyn];", " if (yym > 0)", " yyval = yystack.l_mark[1-yym];", " else", " memset(&yyval, 0, sizeof yyval);", "", " switch (yyn)", " {", 0 }; const char *const trailer[] = { " }", " yystack.s_mark -= yym;", " yystate = *yystack.s_mark;", " yystack.l_mark -= yym;", " yym = yylhs[yyn];", " if (yystate == 0 && yym == 0)", " {", "#if YYDEBUG", " if (yydebug)", " printf(\"%sdebug: after reduction, shifting from state 0 to\\", " state %d\\n\", YYPREFIX, YYFINAL);", "#endif", " yystate = YYFINAL;", " *++yystack.s_mark = YYFINAL;", " *++yystack.l_mark = yyval;", " if (yychar < 0)", " {", " yychar = YYLEX;", " if (yychar < 0) yychar = YYEOF;", "#if YYDEBUG", " if (yydebug)", " {", " if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];", " printf(\"%sdebug: state %d, reading %d (%s)\\n\",", " YYPREFIX, YYFINAL, yychar, yys);", " }", "#endif", " }", " if (yychar == YYEOF) goto yyaccept;", " goto yyloop;", " }", " if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&", " yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)", " yystate = yytable[yyn];", " else", " yystate = yydgoto[yym];", "#if YYDEBUG", " if (yydebug)", " printf(\"%sdebug: after reduction, shifting from state %d \\", "to state %d\\n\", YYPREFIX, *yystack.s_mark, yystate);", "#endif", " if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;", " *++yystack.s_mark = (YYINT) yystate;", " *++yystack.l_mark = yyval;", " goto yyloop;", "", "yyoverflow:", " YYERROR_CALL(\"yacc stack overflow\");", "", "yyabort:", " yyfreestack(&yystack);", " return (1);", "", "yyaccept:", " yyfreestack(&yystack);", " return (0);", "}", 0 }; void write_section(FILE * fp, const char *const section[]) { int i; const char *s; for (i = 0; (s = section[i]) != 0; ++i) { if (fp == code_file) ++outline; fprintf(fp, "%s\n", s); } } diff --git a/contrib/byacc/yaccpar.skel b/contrib/byacc/yaccpar.skel index 32e2d1560537..f12e0d29cca9 100644 --- a/contrib/byacc/yaccpar.skel +++ b/contrib/byacc/yaccpar.skel @@ -1,358 +1,358 @@ /* $Id: yaccpar.skel,v 1.10 2018/05/06 21:28:14 Guy.Harris Exp $ */ #include "defs.h" /* If the skeleton is changed, the banner should be changed so that */ /* the altered version can be easily distinguished from the original. */ /* */ /* The #defines included with the banner are there because they are */ /* useful in subsequent code. The macros #defined in the header or */ /* the body either are not useful outside of semantic actions or */ /* are conditional. */ %% banner /* original parser id follows */ /* yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93" */ /* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */ #define YYBYACC 1 %% insert VERSION here #define YYEMPTY (-1) #define yyclearin (yychar = YYEMPTY) #define yyerrok (yyerrflag = 0) #define YYRECOVERING() (yyerrflag != 0) #define YYENOMEM (-2) #define YYEOF 0 %% xdecls extern int YYPARSE_DECL(); %% tables extern YYINT yylhs[]; extern YYINT yylen[]; extern YYINT yydefred[]; extern YYINT yydgoto[]; extern YYINT yysindex[]; extern YYINT yyrindex[]; extern YYINT yygindex[]; extern YYINT yytable[]; extern YYINT yycheck[]; #if YYDEBUG || defined(yytname) extern char *yyname[]; #endif #if YYDEBUG extern char *yyrule[]; #endif %% global_vars #if YYDEBUG int yydebug; #endif %% impure_vars int yyerrflag; int yychar; YYSTYPE yyval; YYSTYPE yylval; int yynerrs; %% hdr_defs /* define the initial stack-sizes */ #ifdef YYSTACKSIZE #undef YYMAXDEPTH #define YYMAXDEPTH YYSTACKSIZE #else #ifdef YYMAXDEPTH #define YYSTACKSIZE YYMAXDEPTH #else #define YYSTACKSIZE 10000 #define YYMAXDEPTH 10000 #endif #endif #define YYINITSTACKSIZE 200 typedef struct { unsigned stacksize; YYINT *s_base; YYINT *s_mark; YYINT *s_last; YYSTYPE *l_base; YYSTYPE *l_mark; } YYSTACKDATA; %% hdr_vars /* variables for the parser stack */ static YYSTACKDATA yystack; %% body_vars int yyerrflag; int yychar; YYSTYPE yyval; YYSTYPE yylval; int yynerrs; /* variables for the parser stack */ YYSTACKDATA yystack; %% body_1 #if YYDEBUG #include /* needed for printf */ #endif #include /* needed for malloc, etc */ #include /* needed for memset */ /* allocate initial stack or double stack size, up to YYMAXDEPTH */ static int yygrowstack(YYSTACKDATA *data) { int i; unsigned newsize; YYINT *newss; YYSTYPE *newvs; if ((newsize = data->stacksize) == 0) newsize = YYINITSTACKSIZE; else if (newsize >= YYMAXDEPTH) return YYENOMEM; else if ((newsize *= 2) > YYMAXDEPTH) newsize = YYMAXDEPTH; i = (int) (data->s_mark - data->s_base); newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss)); - if (newss == 0) + if (newss == NULL) return YYENOMEM; data->s_base = newss; data->s_mark = newss + i; newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs)); - if (newvs == 0) + if (newvs == NULL) return YYENOMEM; data->l_base = newvs; data->l_mark = newvs + i; data->stacksize = newsize; data->s_last = data->s_base + newsize - 1; return 0; } #if YYPURE || defined(YY_NO_LEAKS) static void yyfreestack(YYSTACKDATA *data) { free(data->s_base); free(data->l_base); memset(data, 0, sizeof(*data)); } #else #define yyfreestack(data) /* nothing */ #endif #define YYABORT goto yyabort #define YYREJECT goto yyabort #define YYACCEPT goto yyaccept #define YYERROR goto yyerrlab int YYPARSE_DECL() { %% body_2 int yym, yyn, yystate; #if YYDEBUG const char *yys; - if ((yys = getenv("YYDEBUG")) != 0) + if ((yys = getenv("YYDEBUG")) != NULL) { yyn = *yys; if (yyn >= '0' && yyn <= '9') yydebug = yyn - '0'; } #endif %% init_vars memset(&yyval, 0, sizeof(yyval)); memset(&yylval, 0, sizeof(yylval)); %% body_3 yym = 0; yyn = 0; yynerrs = 0; yyerrflag = 0; yychar = YYEMPTY; yystate = 0; #if YYPURE memset(&yystack, 0, sizeof(yystack)); #endif if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; yystack.s_mark = yystack.s_base; yystack.l_mark = yystack.l_base; yystate = 0; *yystack.s_mark = 0; yyloop: if ((yyn = yydefred[yystate]) != 0) goto yyreduce; if (yychar < 0) { yychar = YYLEX; if (yychar < 0) yychar = YYEOF; #if YYDEBUG if (yydebug) { if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; printf("%sdebug: state %d, reading %d (%s)\n", YYPREFIX, yystate, yychar, yys); } #endif } if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) { #if YYDEBUG if (yydebug) printf("%sdebug: state %d, shifting to state %d\n", YYPREFIX, yystate, yytable[yyn]); #endif if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; yystate = yytable[yyn]; *++yystack.s_mark = yytable[yyn]; *++yystack.l_mark = yylval; yychar = YYEMPTY; if (yyerrflag > 0) --yyerrflag; goto yyloop; } if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) { yyn = yytable[yyn]; goto yyreduce; } if (yyerrflag != 0) goto yyinrecovery; YYERROR_CALL("syntax error"); goto yyerrlab; /* redundant goto avoids 'unused label' warning */ yyerrlab: ++yynerrs; yyinrecovery: if (yyerrflag < 3) { yyerrflag = 3; for (;;) { if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE) { #if YYDEBUG if (yydebug) printf("%sdebug: state %d, error recovery shifting\ to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]); #endif if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; yystate = yytable[yyn]; *++yystack.s_mark = yytable[yyn]; *++yystack.l_mark = yylval; goto yyloop; } else { #if YYDEBUG if (yydebug) printf("%sdebug: error recovery discarding state %d\n", YYPREFIX, *yystack.s_mark); #endif if (yystack.s_mark <= yystack.s_base) goto yyabort; --yystack.s_mark; --yystack.l_mark; } } } else { if (yychar == YYEOF) goto yyabort; #if YYDEBUG if (yydebug) { if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; printf("%sdebug: state %d, error recovery discards token %d (%s)\n", YYPREFIX, yystate, yychar, yys); } #endif yychar = YYEMPTY; goto yyloop; } yyreduce: #if YYDEBUG if (yydebug) printf("%sdebug: state %d, reducing by rule %d (%s)\n", YYPREFIX, yystate, yyn, yyrule[yyn]); #endif yym = yylen[yyn]; if (yym > 0) yyval = yystack.l_mark[1-yym]; else memset(&yyval, 0, sizeof yyval); switch (yyn) { %% trailer } yystack.s_mark -= yym; yystate = *yystack.s_mark; yystack.l_mark -= yym; yym = yylhs[yyn]; if (yystate == 0 && yym == 0) { #if YYDEBUG if (yydebug) printf("%sdebug: after reduction, shifting from state 0 to\ state %d\n", YYPREFIX, YYFINAL); #endif yystate = YYFINAL; *++yystack.s_mark = YYFINAL; *++yystack.l_mark = yyval; if (yychar < 0) { yychar = YYLEX; if (yychar < 0) yychar = YYEOF; #if YYDEBUG if (yydebug) { if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; printf("%sdebug: state %d, reading %d (%s)\n", YYPREFIX, YYFINAL, yychar, yys); } #endif } if (yychar == YYEOF) goto yyaccept; goto yyloop; } if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate) yystate = yytable[yyn]; else yystate = yydgoto[yym]; #if YYDEBUG if (yydebug) printf("%sdebug: after reduction, shifting from state %d \ to state %d\n", YYPREFIX, *yystack.s_mark, yystate); #endif if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; *++yystack.s_mark = (YYINT) yystate; *++yystack.l_mark = yyval; goto yyloop; yyoverflow: YYERROR_CALL("yacc stack overflow"); yyabort: yyfreestack(&yystack); return (1); yyaccept: yyfreestack(&yystack); return (0); }