freebsd-skq/contrib/byacc/btyaccpar.c
Baptiste Daroussin 0c8de5b03c Update to byacc 20140409
Among all the modifications, this new byacc also solves a 14 year old bug [1]

PR:		bin/23254 [1]
Submitted by:	marka@nominum.com [1]
MFC after:	3 weeks
2014-04-23 05:57:45 +00:00

1247 lines
46 KiB
C

/* This file generated automatically using
* @Id: skel2c,v 1.3 2014/04/06 19:48:04 tom Exp @
*/
/* @Id: btyaccpar.skel,v 1.1 2014/04/02 22:44:41 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",
"extern const char *const yyname[];",
"extern const char *const yyrule[];",
"#endif",
0
};
const char *const global_vars[] =
{
"",
"int yydebug;",
"int yynerrs;",
0
};
const char *const impure_vars[] =
{
"",
"int yyerrflag;",
"int yychar;",
"YYSTYPE yyval;",
"YYSTYPE yylval;",
"#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 = ((rhs)[-1]).last_line; \\",
" (loc).first_column = ((rhs)[-1]).last_column; \\",
" (loc).last_line = ((rhs)[-1]).last_line; \\",
" (loc).last_column = ((rhs)[-1]).last_column; \\",
" } \\",
" else \\",
" { \\",
" (loc).first_line = ((rhs)[ 0 ]).first_line; \\",
" (loc).first_column = ((rhs)[ 0 ]).first_column; \\",
" (loc).last_line = ((rhs)[n-1]).last_line; \\",
" (loc).last_column = ((rhs)[n-1]).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;",
" short *s_base;",
" short *s_mark;",
" short *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 short *yylexp = 0;",
"",
"static short *yylexemes = 0;",
"#endif /* YYBTYACC */",
#endif /* defined(YYBTYACC) */
0
};
const char *const body_vars[] =
{
" int yyerrflag;",
" int yychar;",
" YYSTYPE yyval;",
" YYSTYPE yylval;",
"#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 short *yylexp = 0;",
"",
" static short *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 <stdio.h> /* needed for printf */",
"#endif",
"",
"#include <stdlib.h> /* needed for malloc, etc */",
"#include <string.h> /* needed for memset */",
"",
"/* allocate initial stack or double stack size, up to YYMAXDEPTH */",
"static int yygrowstack(YYSTACKDATA *data)",
"{",
" int i;",
" unsigned newsize;",
" short *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 = (short *)realloc(data->s_base, newsize * sizeof(*newss));",
" if (newss == 0)",
" return YYENOMEM;",
"",
" data->s_base = newss;",
" data->s_mark = newss + i;",
"",
" newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));",
" if (newvs == 0)",
" 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)",
" 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 = (short *) malloc(size * sizeof(short));",
" 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[2]; /* position of error start & end */",
"#endif",
"#if YYDEBUG",
" const char *yys;",
"",
" if ((yys = getenv(\"YYDEBUG\")) != 0)",
" {",
" 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(YYBTYACC)
"#if YYBTYACC",
" yyps = yyNewState(0); if (yyps == 0) goto yyenomem;",
" yyps->save = 0;",
"#endif /* YYBTYACC */",
#endif /* defined(YYBTYACC) */
" 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 */",
" int p = yylvp - yylvals;",
" int s = yylvlim - yylvals;",
"",
" s += YYLVQUEUEGROWTH;",
" if ((yylexemes = (short *) realloc(yylexemes, s * sizeof(short))) == 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 = (short) 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 ((yychar = YYLEX) < 0) yychar = YYEOF; */",
"#if YYDEBUG",
" if (yydebug)",
" {",
" yys = yyname[YYTRANSLATE(yychar)];",
" 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, (yystack.s_mark - yystack.s_base + 1) * sizeof(short));",
" save->yystack.l_mark = save->yystack.l_base + (yystack.l_mark - yystack.l_base);",
" memcpy (save->yystack.l_base, yystack.l_base, (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, (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 = (short *) malloc((YYLVQUEUEGROWTH) * sizeof(short));",
" 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 = (short) yychar;",
" yychar = YYEMPTY;",
" }",
" }",
" }",
" if (yychar >= YYEOF)",
" {",
" yylvp--;",
"#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)",
" yylpp--;",
"#endif",
" yylexp--;",
" yychar = YYEMPTY;",
" }",
" save->lexeme = 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 = (short) 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;",
"",
"yyerrlab:",
" 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, (yystack.s_mark - yystack.s_base + 1) * sizeof(short));",
" yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base);",
" memcpy (yyerrctx->yystack.l_base, yystack.l_base, (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, (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));",
"#endif",
" yyerrctx->lexeme = 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, (yystack.s_mark - yystack.s_base + 1) * sizeof(short));",
" yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base);",
" memcpy (yystack.l_base, save->yystack.l_base, (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, (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, (yystack.s_mark - yystack.s_base + 1) * sizeof(short));",
" yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base);",
" memcpy (yystack.l_base, yyerrctx->yystack.l_base, (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, (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[0] = yylloc; /* lookahead position is error start position */",
"#endif",
"",
"#if !YYBTYACC",
" goto yyerrlab;",
"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[1] = 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[0] = *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)",
" {",
" yys = yyname[YYTRANSLATE(yychar)];",
" 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[1-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[0] = 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 */",
" int p = yylvp - yylvals;",
" int s = yylvlim - yylvals;",
"",
" s += YYLVQUEUEGROWTH;",
" if ((yylexemes = (short *) realloc(yylexemes, s * sizeof(short))) == 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 = (short) 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 ((yychar = YYLEX) < 0) yychar = YYEOF; */",
"#if YYDEBUG",
" if (yydebug)",
" {",
" yys = yyname[YYTRANSLATE(yychar)];",
" fprintf(stderr, \"%s[%d]: state %d, reading %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 = (short) 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, (yystack.s_mark - yystack.s_base + 1) * sizeof(short));",
" yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base);",
" memcpy (yystack.l_base, yypath->yystack.l_base, (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, (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);
}
}