ftp.nice.ch/pub/next/developer/languages/c/djgpp-NS.s.tar.gz#/djgpp/src/binut-2.4/binutils/arparse.c

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/*  A Bison parser, made from arparse.y  */

#define	NEWLINE	258
#define	VERBOSE	259
#define	FILENAME	260
#define	ADDLIB	261
#define	LIST	262
#define	ADDMOD	263
#define	CLEAR	264
#define	CREATE	265
#define	DELETE	266
#define	DIRECTORY	267
#define	END	268
#define	EXTRACT	269
#define	FULLDIR	270
#define	HELP	271
#define	QUIT	272
#define	REPLACE	273
#define	SAVE	274
#define	OPEN	275

#line 1 "arparse.y"

/* arparse.y - Stange script language parser */

/*   Copyright (C) 1992 Free Software Foundation, Inc.

This file is part of GNU Binutils.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */


/* Contributed by Steve Chamberlain
   		  sac@cygnus.com

*/
#define DONTDECLARE_MALLOC
#include "bfd.h"
#include <sysdep.h>
#include "arsup.h"
extern int verbose;

#line 34 "arparse.y"
typedef union {
  char *name;
struct list *list ;

} YYSTYPE;

#ifndef YYLTYPE
typedef
  struct yyltype
    {
      int timestamp;
      int first_line;
      int first_column;
      int last_line;
      int last_column;
      char *text;
   }
  yyltype;

#define YYLTYPE yyltype
#endif

#include <stdio.h>

#ifndef __STDC__
#define const
#endif



#define	YYFINAL		53
#define	YYFLAG		-32768
#define	YYNTBASE	24

#define YYTRANSLATE(x) ((unsigned)(x) <= 275 ? yytranslate[x] : 45)

static const char yytranslate[] = {     0,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,    21,
    22,     2,     2,    23,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     1,     2,     3,     4,     5,
     6,     7,     8,     9,    10,    11,    12,    13,    14,    15,
    16,    17,    18,    19,    20
};

static const short yyrline[] = {     0,
    64,    66,    68,    70,    73,    76,    78,    79,    80,    81,
    82,    83,    84,    85,    86,    87,    88,    89,    90,    91,
    92,    96,   101,   106,   111,   115,   120,   125,   132,   137,
   143,   147,   154,   157,   160,   163,   167,   174,   178,   180,
   184
};

static const char * const yytname[] = {     0,
"error","$illegal.","NEWLINE","VERBOSE","FILENAME","ADDLIB","LIST","ADDMOD","CLEAR","CREATE",
"DELETE","DIRECTORY","END","EXTRACT","FULLDIR","HELP","QUIT","REPLACE","SAVE","OPEN",
"'('","')'","','","start"
};

static const short yyr1[] = {     0,
    25,    24,    26,    26,    27,    28,    28,    28,    28,    28,
    28,    28,    28,    28,    28,    28,    28,    28,    28,    28,
    28,    29,    30,    31,    32,    33,    34,    35,    36,    37,
    38,    39,    40,    40,    41,    41,    42,    42,    43,    43,
    44
};

static const short yyr2[] = {     0,
     0,     2,     2,     0,     2,     1,     1,     1,     1,     1,
     1,     1,     1,     1,     1,     1,     1,     1,     1,     1,
     0,     2,     2,     1,     2,     2,     1,     1,     2,     2,
     3,     4,     1,     0,     3,     0,     3,     0,     1,     0,
     1
};

static const short yydefact[] = {     1,
     4,     0,    19,    41,    20,     0,    27,    38,    24,     0,
    38,     0,    18,    38,    38,    28,     0,     3,     0,    14,
    15,    11,    16,    12,    17,    13,     6,     7,    10,     9,
     8,    36,    26,    30,    25,    36,    22,    23,    29,     5,
    38,    31,    39,     0,    34,    40,    37,    33,    32,    35,
     0,     0,     0
};

static const short yydefgoto[] = {    51,
     1,     2,    18,    19,    20,    21,    22,    23,    24,    25,
    26,    27,    28,    29,    30,    49,    42,    33,    44,    31
};

static const short yypact[] = {-32768,
-32768,     5,-32768,-32768,-32768,    -4,-32768,-32768,-32768,     2,
-32768,    21,-32768,-32768,-32768,-32768,    22,-32768,    25,-32768,
-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
-32768,     8,    -3,-32768,    -3,     8,    -3,    -3,-32768,-32768,
-32768,-32768,-32768,    26,    27,    -1,-32768,-32768,-32768,-32768,
    33,    34,-32768
};

static const short yypgoto[] = {-32768,
-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
-32768,-32768,-32768,-32768,-32768,-32768,     0,   -11,-32768,-32768
};


#define	YYLAST		36


static const short yytable[] = {    35,
    32,   -40,    37,    38,    -2,     3,    34,   -21,     4,     5,
     6,     7,     8,     9,    10,    11,    12,    13,    14,    43,
    50,    43,    15,    16,    17,    36,    39,    40,    41,    46,
    47,    48,    52,    53,     0,    45
};

static const short yycheck[] = {    11,
     5,     5,    14,    15,     0,     1,     5,     3,     4,     5,
     6,     7,     8,     9,    10,    11,    12,    13,    14,    23,
    22,    23,    18,    19,    20,     5,     5,     3,    21,    41,
     5,     5,     0,     0,    -1,    36
};
#define YYPURE 1

/* -*-C-*-  Note some compilers choke on comments on `#line' lines.  */
#line 3 "bison.simple"

/* Skeleton output parser for bison,
   Copyright (C) 1984 Bob Corbett and Richard Stallman

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 1, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */


#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__)
#include <alloca.h>
#endif

/* This is the parser code that is written into each bison parser
  when the %semantic_parser declaration is not specified in the grammar.
  It was written by Richard Stallman by simplifying the hairy parser
  used when %semantic_parser is specified.  */

/* Note: there must be only one dollar sign in this file.
   It is replaced by the list of actions, each action
   as one case of the switch.  */

#define yyerrok		(yyerrstatus = 0)
#define yyclearin	(yychar = YYEMPTY)
#define YYEMPTY		-2
#define YYEOF		0
#define YYFAIL		goto yyerrlab;
#define YYACCEPT	return(0)
#define YYABORT 	return(1)
#define YYERROR		goto yyerrlab

#define YYTERROR	1
#define YYERRCODE	256

#ifndef YYIMPURE
#define YYLEX		yylex()
#endif

#ifndef YYPURE
#define YYLEX		yylex(&yylval, &yylloc)
#endif

/* If nonreentrant, generate the variables here */

#ifndef YYIMPURE

int	yychar;			/*  the lookahead symbol		*/
YYSTYPE	yylval;			/*  the semantic value of the		*/
				/*  lookahead symbol			*/

YYLTYPE yylloc;			/*  location data for the lookahead	*/
				/*  symbol				*/

int yynerrs;			/*  number of parse errors so far       */
#endif  /* YYIMPURE */

#if YYDEBUG != 0
int yydebug;			/*  nonzero means print parse trace	*/
/* Since this is uninitialized, it does not stop multiple parsers
   from coexisting.  */
#endif

/*  YYMAXDEPTH indicates the initial size of the parser's stacks	*/

#ifndef	YYMAXDEPTH
#define YYMAXDEPTH 200
#endif

/*  YYMAXLIMIT is the maximum size the stacks can grow to
    (effective only if the built-in stack extension method is used).  */

#ifndef YYMAXLIMIT
#define YYMAXLIMIT 10000
#endif


#line 90 "bison.simple"
int
yyparse()
{
  register int yystate;
  register int yyn;
  register short *yyssp;
  register YYSTYPE *yyvsp;
  YYLTYPE *yylsp;
  int yyerrstatus;	/*  number of tokens to shift before error messages enabled */
  int yychar1;		/*  lookahead token as an internal (translated) token number */

  short	yyssa[YYMAXDEPTH];	/*  the state stack			*/
  YYSTYPE yyvsa[YYMAXDEPTH];	/*  the semantic value stack		*/
  YYLTYPE yylsa[YYMAXDEPTH];	/*  the location stack			*/

  short *yyss = yyssa;		/*  refer to the stacks thru separate pointers */
  YYSTYPE *yyvs = yyvsa;	/*  to allow yyoverflow to reallocate them elsewhere */
  YYLTYPE *yyls = yylsa;

  int yymaxdepth = YYMAXDEPTH;

#ifndef YYPURE
  int yychar;
  YYSTYPE yylval;
  YYLTYPE yylloc;
  int yynerrs;
#endif

  YYSTYPE yyval;		/*  the variable used to return		*/
				/*  semantic values from the action	*/
				/*  routines				*/

  int yylen;

#if YYDEBUG != 0
  if (yydebug)
    fprintf(stderr, "Starting parse\n");
#endif

  yystate = 0;
  yyerrstatus = 0;
  yynerrs = 0;
  yychar = YYEMPTY;		/* Cause a token to be read.  */

  /* Initialize stack pointers.
     Waste one element of value and location stack
     so that they stay on the same level as the state stack.  */

  yyssp = yyss - 1;
  yyvsp = yyvs;
  yylsp = yyls;

/* Push a new state, which is found in  yystate  .  */
/* In all cases, when you get here, the value and location stacks
   have just been pushed. so pushing a state here evens the stacks.  */
yynewstate:

  *++yyssp = yystate;

  if (yyssp >= yyss + yymaxdepth - 1)
    {
      /* Give user a chance to reallocate the stack */
      /* Use copies of these so that the &'s don't force the real ones into memory. */
      YYSTYPE *yyvs1 = yyvs;
      YYLTYPE *yyls1 = yyls;
      short *yyss1 = yyss;

      /* Get the current used size of the three stacks, in elements.  */
      int size = yyssp - yyss + 1;

#ifdef yyoverflow
      /* Each stack pointer address is followed by the size of
	 the data in use in that stack, in bytes.  */
      yyoverflow("parser stack overflow",
		 &yyss1, size * sizeof (*yyssp),
		 &yyvs1, size * sizeof (*yyvsp),
		 &yyls1, size * sizeof (*yylsp),
		 &yymaxdepth);

      yyss = yyss1; yyvs = yyvs1; yyls = yyls1;
#else /* no yyoverflow */
      /* Extend the stack our own way.  */
      if (yymaxdepth >= YYMAXLIMIT)
	yyerror("parser stack overflow");
      yymaxdepth *= 2;
      if (yymaxdepth > YYMAXLIMIT)
	yymaxdepth = YYMAXLIMIT;
      yyss = (short *) alloca (yymaxdepth * sizeof (*yyssp));
      bcopy ((char *)yyss1, (char *)yyss, size * sizeof (*yyssp));
      yyvs = (YYSTYPE *) alloca (yymaxdepth * sizeof (*yyvsp));
      bcopy ((char *)yyvs1, (char *)yyvs, size * sizeof (*yyvsp));
#ifdef YYLSP_NEEDED
      yyls = (YYLTYPE *) alloca (yymaxdepth * sizeof (*yylsp));
      bcopy ((char *)yyls1, (char *)yyls, size * sizeof (*yylsp));
#endif
#endif /* no yyoverflow */

      yyssp = yyss + size - 1;
      yyvsp = yyvs + size - 1;
#ifdef YYLSP_NEEDED
      yylsp = yyls + size - 1;
#endif

#if YYDEBUG != 0
      if (yydebug)
	fprintf(stderr, "Stack size increased to %d\n", yymaxdepth);
#endif

      if (yyssp >= yyss + yymaxdepth - 1)
	YYABORT;
    }

#if YYDEBUG != 0
  if (yydebug)
    fprintf(stderr, "Entering state %d\n", yystate);
#endif

/* Do appropriate processing given the current state.  */
/* Read a lookahead token if we need one and don't already have one.  */
yyresume:

  /* First try to decide what to do without reference to lookahead token.  */

  yyn = yypact[yystate];
  if (yyn == YYFLAG)
    goto yydefault;

  /* Not known => get a lookahead token if don't already have one.  */

  /* yychar is either YYEMPTY or YYEOF
     or a valid token in external form.  */

  if (yychar == YYEMPTY)
    {
#if YYDEBUG != 0
      if (yydebug)
	fprintf(stderr, "Reading a token: ");
#endif
      yychar = YYLEX;
    }

  /* Convert token to internal form (in yychar1) for indexing tables with */

  if (yychar <= 0)		/* This means end of input. */
    {
      yychar1 = 0;
      yychar = YYEOF;		/* Don't call YYLEX any more */

#if YYDEBUG != 0
      if (yydebug)
	fprintf(stderr, "Now at end of input.\n");
#endif
    }
  else
    {
      yychar1 = YYTRANSLATE(yychar);

#if YYDEBUG != 0
      if (yydebug)
	fprintf(stderr, "Next token is %d (%s)\n", yychar, yytname[yychar1]);
#endif
    }

  yyn += yychar1;
  if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
    goto yydefault;

  yyn = yytable[yyn];

  /* yyn is what to do for this token type in this state.
     Negative => reduce, -yyn is rule number.
     Positive => shift, yyn is new state.
       New state is final state => don't bother to shift,
       just return success.
     0, or most negative number => error.  */

  if (yyn < 0)
    {
      if (yyn == YYFLAG)
	goto yyerrlab;
      yyn = -yyn;
      goto yyreduce;
    }
  else if (yyn == 0)
    goto yyerrlab;

  if (yyn == YYFINAL)
    YYACCEPT;

  /* Shift the lookahead token.  */

#if YYDEBUG != 0
  if (yydebug)
    fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
#endif

  /* Discard the token being shifted unless it is eof.  */
  if (yychar != YYEOF)
    yychar = YYEMPTY;

  *++yyvsp = yylval;
#ifdef YYLSP_NEEDED
  *++yylsp = yylloc;
#endif

  /* count tokens shifted since error; after three, turn off error status.  */
  if (yyerrstatus) yyerrstatus--;

  yystate = yyn;
  goto yynewstate;

/* Do the default action for the current state.  */
yydefault:

  yyn = yydefact[yystate];
  if (yyn == 0)
    goto yyerrlab;

/* Do a reduction.  yyn is the number of a rule to reduce with.  */
yyreduce:
  yylen = yyr2[yyn];
  yyval = yyvsp[1-yylen]; /* implement default value of the action */

#if YYDEBUG != 0
  if (yydebug)
    {
      if (yylen == 1)
	fprintf (stderr, "Reducing 1 value via line %d, ",
		 yyrline[yyn]);
      else
	fprintf (stderr, "Reducing %d values via line %d, ",
		 yylen, yyrline[yyn]);
    }
#endif


  switch (yyn) {

case 1:
#line 65 "arparse.y"
{ prompt(); ;
    break;}
case 5:
#line 74 "arparse.y"
{ prompt(); ;
    break;}
case 18:
#line 89 "arparse.y"
{ ar_end(); return 0; ;
    break;}
case 20:
#line 91 "arparse.y"
{ yyerror("foo"); ;
    break;}
case 22:
#line 98 "arparse.y"
{ ar_extract(yyvsp[0].list); ;
    break;}
case 23:
#line 103 "arparse.y"
{ ar_replace(yyvsp[0].list); ;
    break;}
case 24:
#line 108 "arparse.y"
{ ar_clear(); ;
    break;}
case 25:
#line 113 "arparse.y"
{ ar_delete(yyvsp[0].list); ;
    break;}
case 26:
#line 117 "arparse.y"
{ ar_addmod(yyvsp[0].list); ;
    break;}
case 27:
#line 122 "arparse.y"
{ ar_list(); ;
    break;}
case 28:
#line 127 "arparse.y"
{ ar_save(); ;
    break;}
case 29:
#line 134 "arparse.y"
{ ar_open(yyvsp[0].name,0); ;
    break;}
case 30:
#line 139 "arparse.y"
{ ar_open(yyvsp[0].name,1); ;
    break;}
case 31:
#line 145 "arparse.y"
{ ar_addlib(yyvsp[-1].name,yyvsp[0].list); ;
    break;}
case 32:
#line 149 "arparse.y"
{ ar_directory(yyvsp[-2].name, yyvsp[-1].list, yyvsp[0].name); ;
    break;}
case 33:
#line 156 "arparse.y"
{ yyval.name = yyvsp[0].name; ;
    break;}
case 34:
#line 157 "arparse.y"
{ yyval.name = 0; ;
    break;}
case 35:
#line 162 "arparse.y"
{ yyval.list = yyvsp[-1].list; ;
    break;}
case 36:
#line 164 "arparse.y"
{ yyval.list = 0; ;
    break;}
case 37:
#line 169 "arparse.y"
{ 	struct list *n  = (struct list *) malloc(sizeof(struct list));
			n->next = yyvsp[-2].list; 
			n->name = yyvsp[0].name;
			yyval.list = n;
		 ;
    break;}
case 38:
#line 174 "arparse.y"
{ yyval.list = 0; ;
    break;}
case 41:
#line 186 "arparse.y"
{ verbose = !verbose; ;
    break;}
}
   /* the action file gets copied in in place of this dollarsign */
#line 327 "bison.simple"

  yyvsp -= yylen;
  yyssp -= yylen;
#ifdef YYLSP_NEEDED
  yylsp -= yylen;
#endif

#if YYDEBUG != 0
  if (yydebug)
    {
      short *ssp1 = yyss - 1;
      fprintf (stderr, "state stack now");
      while (ssp1 != yyssp)
	fprintf (stderr, " %d", *++ssp1);
      fprintf (stderr, "\n");
    }
#endif

  *++yyvsp = yyval;

#ifdef YYLSP_NEEDED
  yylsp++;
  if (yylen == 0)
    {
      yylsp->first_line = yylloc.first_line;
      yylsp->first_column = yylloc.first_column;
      yylsp->last_line = (yylsp-1)->last_line;
      yylsp->last_column = (yylsp-1)->last_column;
      yylsp->text = 0;
    }
  else
    {
      yylsp->last_line = (yylsp+yylen-1)->last_line;
      yylsp->last_column = (yylsp+yylen-1)->last_column;
    }
#endif

  /* Now "shift" the result of the reduction.
     Determine what state that goes to,
     based on the state we popped back to
     and the rule number reduced by.  */

  yyn = yyr1[yyn];

  yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
  if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
    yystate = yytable[yystate];
  else
    yystate = yydefgoto[yyn - YYNTBASE];

  goto yynewstate;

yyerrlab:   /* here on detecting error */

  if (! yyerrstatus)
    /* If not already recovering from an error, report this error.  */
    {
      ++yynerrs;
      yyerror("parse error");
    }

  if (yyerrstatus == 3)
    {
      /* if just tried and failed to reuse lookahead token after an error, discard it.  */

      /* return failure if at end of input */
      if (yychar == YYEOF)
	YYABORT;

#if YYDEBUG != 0
      if (yydebug)
	fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
#endif

      yychar = YYEMPTY;
    }

  /* Else will try to reuse lookahead token
     after shifting the error token.  */

  yyerrstatus = 3;		/* Each real token shifted decrements this */

  goto yyerrhandle;

yyerrdefault:  /* current state does not do anything special for the error token. */

#if 0
  /* This is wrong; only states that explicitly want error tokens
     should shift them.  */
  yyn = yydefact[yystate];  /* If its default is to accept any token, ok.  Otherwise pop it.*/
  if (yyn) goto yydefault;
#endif

yyerrpop:   /* pop the current state because it cannot handle the error token */

  if (yyssp == yyss) YYABORT;
  yyvsp--;
  yystate = *--yyssp;
#ifdef YYLSP_NEEDED
  yylsp--;
#endif

#if YYDEBUG != 0
  if (yydebug)
    {
      short *ssp1 = yyss - 1;
      fprintf (stderr, "Error: state stack now");
      while (ssp1 != yyssp)
	fprintf (stderr, " %d", *++ssp1);
      fprintf (stderr, "\n");
    }
#endif

yyerrhandle:

  yyn = yypact[yystate];
  if (yyn == YYFLAG)
    goto yyerrdefault;

  yyn += YYTERROR;
  if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
    goto yyerrdefault;

  yyn = yytable[yyn];
  if (yyn < 0)
    {
      if (yyn == YYFLAG)
	goto yyerrpop;
      yyn = -yyn;
      goto yyreduce;
    }
  else if (yyn == 0)
    goto yyerrpop;

  if (yyn == YYFINAL)
    YYACCEPT;

#if YYDEBUG != 0
  if (yydebug)
    fprintf(stderr, "Shifting error token, ");
#endif

  *++yyvsp = yylval;
#ifdef YYLSP_NEEDED
  *++yylsp = yylloc;
#endif

  yystate = yyn;
  goto yynewstate;
}
#line 190 "arparse.y"



int
yyerror(x)
char *x;
{
  extern int linenumber;
  printf("Synax error in archive script, line %d\n", linenumber + 1);
  return 0;
}

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.