/* original parser id follows */
/* yysccsid[] = "@(#)yaccpar	1.9 (Berkeley) 02/21/93" */
/* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */

#define YYBYACC 1
#define YYMAJOR 2
#define YYMINOR 0
#define YYPATCH 20221106

#define YYEMPTY        (-1)
#define yyclearin      (yychar = YYEMPTY)
#define yyerrok        (yyerrflag = 0)
#define YYRECOVERING() (yyerrflag != 0)
#define YYENOMEM       (-2)
#define YYEOF          0
#undef YYBTYACC
#define YYBTYACC 0
#define YYDEBUGSTR YYPREFIX "debug"
#define YYPREFIX "yy"

#define YYPURE 0

#line 2 "./genders_query.y"
/*****************************************************************************\
 *  $Id: genders_query.y,v 1.34 2009-06-02 18:05:21 chu11 Exp $
 *****************************************************************************
 *  Copyright (C) 2007-2019 Lawrence Livermore National Security, LLC.
 *  Copyright (C) 2001-2007 The Regents of the University of California.
 *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
 *  Written by Jim Garlick <garlick@llnl.gov> and Albert Chu <chu11@llnl.gov>.
 *  UCRL-CODE-2003-004.
 *
 *  This file is part of Genders, a cluster configuration database.
 *  For details, see <http://www.llnl.gov/linux/genders/>.
 *
 *  Genders 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.
 *
 *  Genders 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 Genders.  If not, see <http://www.gnu.org/licenses/>.
\*****************************************************************************/

#if HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */

#include <stdio.h>
#include <stdlib.h>
#if STDC_HEADERS
#include <string.h>
#endif /* STDC_HEADERS */
#if HAVE_UNISTD_H
#include <unistd.h>
#endif /* HAVE_UNISTD_H */
#if HAVE_PATHS_H
#include <paths.h>
#endif /* HAVE_PATHS_H */

#include "genders.h"
#include "genders_api.h"
#include "genders_constants.h"
#include "genders_util.h"

/* 
 * struct genders_treenode
 *
 * stores query parse information
 */
struct genders_treenode {
  char *str;
  struct genders_treenode *left;
  struct genders_treenode *right;
  int complement;
};

/* 
 * genders_query_err
 *
 * Used to store errnum until handle errnum can be set
 */ 
static int genders_query_err = 0; 

/* 
 * genders_treeroot
 *
 * To store the parse tree
 */ 
static struct genders_treenode *genders_treeroot = NULL;

#ifndef _PATH_DEVNULL
#define _PATH_DEVNULL "/dev/null"
#endif /* _PATH_DEVNULL */

extern int yylex();
extern int yyparse(void);

/* 
 * _genders_makenode
 *
 * Make a genders treenode
 *
 * Returns pointer to new node on success, NULL on error
 */ 
static struct genders_treenode *
_genders_makenode(char *str, void *left, void *right)
{
  struct genders_treenode *t; 

  if (genders_query_err != GENDERS_ERR_SUCCESS)
    return NULL;

  if (!str || !((!left && !right) || (left && right)))
    {
      genders_query_err = GENDERS_ERR_INTERNAL;
      return NULL;
    }

  if (!(t = (struct genders_treenode *)malloc(sizeof(struct genders_treenode)))) 
    {
      genders_query_err = GENDERS_ERR_OUTMEM;
      return NULL;
    }

  /* No wrapper, no handle->errnum */
  if (!(t->str = (char *)strdup(str))) 
    {
      genders_query_err = GENDERS_ERR_OUTMEM;
      free(t);
      return NULL;
    }

  t->left = left;
  t->right = right;
  t->complement = 0;
  return t;
} 

/* 
 * _genders_set_complement_flag
 *
 * set the complement flag on a node
 */ 
static void
_genders_set_complement_flag(void *node)
{
  struct genders_treenode *t;

  if (genders_query_err != GENDERS_ERR_SUCCESS)
    return;

  if (!node)
    {
      genders_query_err = GENDERS_ERR_INTERNAL;
      return;
    }

  t = (struct genders_treenode *)node; 

  /* do ! instead of ++ so double negation is allowed */
  t->complement = !(t->complement); 
}

/* 
 * _genders_free_treenode
 *
 * Free a genders_treenode
 */
static void
_genders_free_treenode(struct genders_treenode *t)
{
  if (!t)
    return;

  _genders_free_treenode(t->left);
  _genders_free_treenode(t->right);
  free(t->str);
  free(t);

  return;
}

/* 
 * yyerror
 *
 * Override yacc default, set genders query error to syntax error
 */
void 
yyerror(const char *str) 
{
  if (!genders_query_err)
    genders_query_err = GENDERS_ERR_SYNTAX;
}
  
/* 
 * yywrap
 *
 * Override yacc default, Returns 1 to inform yacc we're done parsing.
 */
int 
yywrap()
{
  return 1;
}

/* 
 * _parse_query
 *
 * Parse the genders query.  Sets up pipes appropriately to work with
 * yacc.
 * 
 * Returns 0 on success, -1 on error
 */
static int 
_parse_query(genders_t handle, const char *query)
{
  extern FILE *yyin, *yyout; 
  int fds[2];

  genders_query_err = GENDERS_ERR_SUCCESS;
  genders_treeroot = NULL;

  /* yyparse() only works with FILE streams, not file descriptors or
   * strings.  So we gotta do some funky hacking here to make yyparse()
   * work with our input query.
   */

  if (pipe(fds) < 0) 
    {
      genders_query_err = GENDERS_ERR_INTERNAL;
      goto cleanup;
    }

  if (write(fds[1], query, strlen(query)) < 0) 
    {
      genders_query_err = GENDERS_ERR_INTERNAL;
      goto cleanup;
    }
  if (close(fds[1]) < 0)
    {
      genders_query_err = GENDERS_ERR_INTERNAL;
      goto cleanup;
    }

  if (!(yyin = fdopen(fds[0], "r"))) 
    {
      genders_query_err = GENDERS_ERR_INTERNAL;
      goto cleanup;
    }

  /* disable yacc output to stdout */
  if (!(yyout = fopen(_PATH_DEVNULL, "r+"))) 
    {
      genders_query_err = GENDERS_ERR_INTERNAL;
      goto cleanup;
    }

  yyparse();

  /* For example, this can happen if the user passes in all whitespace */
  if (!genders_treeroot && genders_query_err == GENDERS_ERR_SUCCESS)
    genders_query_err = GENDERS_ERR_SYNTAX;

 cleanup:
  /* no need to close fds[0] and fds[1], fclose is enough */
  fclose(yyin);
  fclose(yyout);
  
  if (genders_query_err != GENDERS_ERR_SUCCESS) 
    {
      handle->errnum = genders_query_err;
      return -1;
    }
  return 0;
}

/* 
 * _calc_attrval_nodes
 *
 * Determines the nodes containing this treenode's attr and
 * value.
 *
 * Returns hostlist on success, NULL on error
 */
static hostlist_t
_calc_attrval_nodes(genders_t handle, struct genders_treenode *t)
{
  hostlist_t h = NULL;
  char **nodes = NULL;
  int i, len, num;
  char *attr, *val;
  int errnum_save;
    
  attr = t->str; 
  if ((val = strchr(attr, '=')))
    *val++ = '\0';
    
  if ((len = genders_nodelist_create(handle, &nodes)) < 0)
    return NULL;

  if ((num = genders_getnodes(handle, nodes, len, attr, val)) < 0)
    goto cleanup;

  __hostlist_create(h, NULL);
  for (i = 0; i < num; i++) 
    {
      if (!hostlist_push(h, nodes[i])) 
	{
	  handle->errnum = GENDERS_ERR_INTERNAL;
	  goto cleanup;
	}
    }

  genders_nodelist_destroy(handle, nodes);
  hostlist_uniq(h);
  return h;

 cleanup:
  errnum_save = handle->errnum;
  genders_nodelist_destroy(handle, nodes);
  handle->errnum = errnum_save;
  __hostlist_destroy(h);
  return NULL;
}

/* 
 * _calc_union
 *
 * Determine the union of two hostlists.
 *
 * Returns resulting hostlist on success, NULL on error
 */
static hostlist_t
_calc_union(genders_t handle, hostlist_t l, hostlist_t r)
{
  hostlist_t h = NULL;
  char buf[GENDERS_BUFLEN];
  int rv;
  
  __hostlist_create(h, NULL);
  memset(buf, '\0', GENDERS_BUFLEN);
  if ((rv = hostlist_ranged_string(l, GENDERS_BUFLEN, buf)) < 0) 
    {
      handle->errnum = GENDERS_ERR_INTERNAL;
      goto cleanup;
    }
  
  if (rv > 0)
    hostlist_push(h, buf);
  
  memset(buf, '\0', GENDERS_BUFLEN);
  if ((rv = hostlist_ranged_string(r, GENDERS_BUFLEN, buf)) < 0) 
    {
      handle->errnum = GENDERS_ERR_INTERNAL;
      goto cleanup;
    }
  
  if (rv > 0)
    hostlist_push(h, buf);
  
  hostlist_uniq(h);
  return h;
 cleanup:
  __hostlist_destroy(h);
  return NULL;
}
            
/* 
 * _calc_intersection
 *
 * Determine the intersection of two hostlists.
 *
 * Returns resulting hostlist on success, NULL on error
 */
static hostlist_t
_calc_intersection(genders_t handle, hostlist_t l, hostlist_t r)
{
  hostlist_t h = NULL;
  hostlist_iterator_t itr = NULL;
  char *node = NULL;
  
  __hostlist_create(h, NULL);
  __hostlist_iterator_create(itr, l);
  while ((node = hostlist_next(itr))) 
    {
      if (hostlist_find(r, node) >= 0) 
	{
	  if (hostlist_push_host(h, node) <= 0) 
	    {
	      handle->errnum = GENDERS_ERR_INTERNAL;
	      goto cleanup;
	    }
	}
      free(node);
    }
  node = NULL;

  hostlist_uniq(h);
  __hostlist_iterator_destroy(itr);
  return h;
 cleanup:
  __hostlist_iterator_destroy(itr);
  __hostlist_destroy(h);
  free(node);
  return NULL;
}

/* 
 * _calc_set_difference
 *
 * Determine the set difference between two hostlists.
 *
 * Returns resulting hostlist on success, NULL on error
 */
static hostlist_t
_calc_set_difference(genders_t handle, hostlist_t l, hostlist_t r)
{
  hostlist_t h = NULL;
  hostlist_iterator_t itr = NULL;
  char *node = NULL;
    
  __hostlist_create(h, NULL);
  __hostlist_iterator_create(itr, l);
      
  while ((node = hostlist_next(itr))) 
    {
      if (hostlist_find(r, node) < 0) 
	{
	  if (hostlist_push_host(h, node) <= 0) 
	    {
	      handle->errnum = GENDERS_ERR_INTERNAL;
	      goto cleanup;
	    }
	}
      free(node);
    }
  node = NULL;

  hostlist_uniq(h);
  __hostlist_iterator_destroy(itr);
  return h;
 cleanup:
  __hostlist_iterator_destroy(itr);
  __hostlist_destroy(h);
  free(node);
  return NULL;

}

/* 
 * _calc_complement
 *
 * Determine the complement of a hostlist.
 *
 * Returns resulting hostlist on success, NULL on error
 */
static hostlist_t
_calc_complement(genders_t handle, hostlist_t h)
{
  hostlist_t ch = NULL;
  char **nodes = NULL;
  char *node = NULL;
  int i, len, num;
  int errnum_save;
    
  if ((len = genders_nodelist_create(handle, &nodes)) < 0)
    return NULL;

  if ((num = genders_getnodes(handle, nodes, len, NULL, NULL)) < 0) 
    goto cleanup;
  
  __hostlist_create(ch, NULL);
  for (i = 0; i < num; i++) 
    {
      if (hostlist_find(h, nodes[i]) < 0) 
	{
	  if (hostlist_push_host(ch, nodes[i]) <= 0) 
	    {
	      handle->errnum = GENDERS_ERR_INTERNAL;
	      goto cleanup;
	    }
	}
      free(node);
    }
  node = NULL;

  genders_nodelist_destroy(handle, nodes);
  hostlist_uniq(ch);
  return ch;

 cleanup:
  errnum_save = handle->errnum;
  genders_nodelist_destroy(handle, nodes);
  handle->errnum = errnum_save;
  __hostlist_destroy(ch);
  free(node);
  return NULL;
}

/* 
 * _calc_query
 *
 * Determine the nodes for the query rooted at 't'.
 *
 * Returns resulting hostlist on success, NULL on error
 */
static hostlist_t
_calc_query(genders_t handle, struct genders_treenode *t)
{
  hostlist_t h = NULL;

  if (!t)
    {
      handle->errnum = GENDERS_ERR_INTERNAL;
      return NULL;;
    }

  if (!t || !((!t->left && !t->right) || (t->left && t->right)))
    {
      genders_query_err = GENDERS_ERR_INTERNAL;
      return NULL;
    }

  if (!t->left && !t->right)
    h = _calc_attrval_nodes(handle, t);
  else {
    hostlist_t l = NULL;
    hostlist_t r = NULL;

    if (!(l = _calc_query(handle, t->left)))
      goto cleanup_calc;
    if (!(r = _calc_query(handle, t->right)))
      goto cleanup_calc;
    
    /* || is Union
     * && is Intersection
     * -- is Set Difference
     */
    
    if (!strcmp(t->str, "||"))
      h = _calc_union(handle, l, r);
    else if (!strcmp(t->str, "&&")) 
      h = _calc_intersection(handle, l, r);
    else if (!strcmp(t->str, "--")) 
      h = _calc_set_difference(handle, l, r);
    else {
      handle->errnum = GENDERS_ERR_INTERNAL;
      goto cleanup_calc;
    }

    if (!h) 
      {
      cleanup_calc:
	__hostlist_destroy(l);
	__hostlist_destroy(r);
	return NULL;
      }
  }

  if (t->complement) 
    {
      hostlist_t temp;
      if (!(temp = _calc_complement(handle, h)))
        {
          __hostlist_destroy(h);
          return NULL;
        }
      __hostlist_destroy(h);
      h = temp;
    }
  return h;
}

int
genders_query(genders_t handle, char *nodes[], int len, const char *query)
{
  hostlist_t h = NULL;
  hostlist_iterator_t itr = NULL;
  char *node = NULL;
  int index = 0, rv = -1;

  if (_genders_loaded_handle_error_check(handle) < 0)
    return -1;

  if ((!nodes && len > 0) || len < 0) 
    {
      handle->errnum = GENDERS_ERR_PARAMETERS;
      goto cleanup;
    }

  /* Special case for NULL or empty string query */
  if (!query || !strlen(query))
    return genders_getnodes(handle, nodes, len, NULL, NULL);

  if (_parse_query(handle, query) < 0)
    goto cleanup;
  
  if (!(h = _calc_query(handle, genders_treeroot)))
    goto cleanup;

  __hostlist_iterator_create(itr, h);
  while ((node = hostlist_next(itr))) 
    {
      if (_genders_put_in_array(handle, node, nodes, index++, len) < 0)
	goto cleanup;
      free(node);
    }
  node = NULL;

  rv = index;
  handle->errnum = GENDERS_ERR_SUCCESS;
 cleanup:
  __hostlist_iterator_destroy(itr);
  __hostlist_destroy(h);
  if (genders_treeroot)
    _genders_free_treenode(genders_treeroot);
  free(node);
  /* reset */
  genders_treeroot = NULL;
  genders_query_err = 0;
  return rv;
}

int
genders_testquery(genders_t handle, 
                  const char *node,
                  const char *query)
{
  genders_node_t n;
  char **nodelist = NULL;
  int i, len, num;
  int found = 0;
  int rv = -1;
  int errnum_save;

  if (_genders_loaded_handle_error_check(handle) < 0)
    return -1;

  if (!query || !strlen(query))
    {
      handle->errnum = GENDERS_ERR_PARAMETERS;
      return -1;
    }

  if (!node || !strlen(node))
    node = handle->nodename;

  if (!handle->numnodes)
    {
      handle->errnum = GENDERS_ERR_NOTFOUND;
      return -1;
    }
  
  if (!(n = hash_find(handle->node_index, node)))
    {
      handle->errnum = GENDERS_ERR_NOTFOUND;
      return -1;
    }

  if ((len = genders_nodelist_create(handle, &nodelist)) < 0)
    return -1;

  if ((num = genders_query(handle, nodelist, len, query)) < 0)
    goto cleanup;
  
  for (i = 0; i < num; i++)
    {
      if (!strcmp(nodelist[i], node))
        {
          found++;
          break;
        }
    }
  
  if (found)
    rv = 1;
  else
    rv = 0;
  handle->errnum = GENDERS_ERR_SUCCESS;
 cleanup:
  errnum_save = handle->errnum;
  genders_nodelist_destroy(handle, nodelist);
  handle->errnum = errnum_save;
  return rv;
}
#ifdef YYSTYPE
#undef  YYSTYPE_IS_DECLARED
#define YYSTYPE_IS_DECLARED 1
#endif
#ifndef YYSTYPE_IS_DECLARED
#define YYSTYPE_IS_DECLARED 1
#line 675 "./genders_query.y"
typedef union YYSTYPE {
  char *attr;
  struct genders_treenode *tree;
} YYSTYPE;
#endif /* !YYSTYPE_IS_DECLARED */
#line 705 "genders_query.tab.c"

/* compatibility with bison */
#ifdef YYPARSE_PARAM
/* compatibility with FreeBSD */
# ifdef YYPARSE_PARAM_TYPE
#  define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
# else
#  define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
# endif
#else
# define YYPARSE_DECL() yyparse(void)
#endif

/* Parameters sent to lex. */
#ifdef YYLEX_PARAM
# define YYLEX_DECL() yylex(void *YYLEX_PARAM)
# define YYLEX yylex(YYLEX_PARAM)
#else
# define YYLEX_DECL() yylex(void)
# define YYLEX yylex()
#endif

#if !(defined(yylex) || defined(YYSTATE))
int YYLEX_DECL();
#endif

/* Parameters sent to yyerror. */
#ifndef YYERROR_DECL
#define YYERROR_DECL() yyerror(const char *s)
#endif
#ifndef YYERROR_CALL
#define YYERROR_CALL(msg) yyerror(msg)
#endif

extern int YYPARSE_DECL();

#define LPARENTOK 257
#define RPARENTOK 258
#define UNIONTOK 259
#define INTERSECTIONTOK 260
#define DIFFERENCETOK 261
#define COMPLEMENTTOK 262
#define ATTRTOK 263
#define YYERRCODE 256
typedef int YYINT;
static const YYINT yylhs[] = {                           -1,
    0,    2,    2,    2,    2,    1,    1,    1,
};
static const YYINT yylen[] = {                            2,
    1,    1,    3,    3,    3,    1,    3,    2,
};
static const YYINT yydefred[] = {                         0,
    0,    0,    6,    0,    2,    0,    0,    8,    0,    0,
    0,    7,    3,    4,    5,
};
#if defined(YYDESTRUCT_CALL) || defined(YYSTYPE_TOSTRING)
static const YYINT yystos[] = {                           0,
  257,  262,  263,  265,  266,  267,  267,  266,  259,  260,
  261,  258,  266,  266,  266,
};
#endif /* YYDESTRUCT_CALL || YYSTYPE_TOSTRING */
static const YYINT yydgoto[] = {                          4,
    5,    6,
};
static const YYINT yysindex[] = {                      -252,
 -252, -252,    0,    0,    0, -247, -257,    0, -252, -252,
 -252,    0,    0,    0,    0,
};
static const YYINT yyrindex[] = {                         0,
    0,    0,    0,    0,    0,    6,    0,    0,    0,    0,
    0,    0,    0,    0,    0,
};
#if YYBTYACC
static const YYINT yycindex[] = {                         0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,
};
#endif
static const YYINT yygindex[] = {                         0,
   -2,   14,
};
#define YYTABLESIZE 15
static const YYINT yytable[] = {                          8,
   12,    9,   10,   11,    1,    1,   13,   14,   15,    2,
    3,    9,   10,   11,    7,
};
static const YYINT yycheck[] = {                          2,
  258,  259,  260,  261,  257,    0,    9,   10,   11,  262,
  263,  259,  260,  261,    1,
};
#if YYBTYACC
static const YYINT yyctable[] = {                        -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,
};
#endif
#define YYFINAL 4
#ifndef YYDEBUG
#define YYDEBUG 0
#endif
#define YYMAXTOKEN 263
#define YYUNDFTOKEN 268
#define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
#if YYDEBUG
static const char *const yyname[] = {

"$end",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"error","LPARENTOK","RPARENTOK",
"UNIONTOK","INTERSECTIONTOK","DIFFERENCETOK","COMPLEMENTTOK","ATTRTOK",
"$accept","input","term","query","illegal-symbol",
};
static const char *const yyrule[] = {
"$accept : input",
"input : query",
"query : term",
"query : query UNIONTOK term",
"query : query INTERSECTIONTOK term",
"query : query DIFFERENCETOK term",
"term : ATTRTOK",
"term : LPARENTOK query RPARENTOK",
"term : COMPLEMENTTOK term",

};
#endif

#if YYDEBUG
int      yydebug;
#endif

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

#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 YYBTYACC

#ifndef YYLVQUEUEGROWTH
#define YYLVQUEUEGROWTH 32
#endif
#endif /* 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 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 */
/* variables for the parser stack */
static YYSTACKDATA yystack;
#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 */

/* For use in generated program */
#define yydepth (int)(yystack.s_mark - yystack.s_base)
#if YYBTYACC
#define yytrial (yyps->save)
#endif /* 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;
    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)
        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 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
#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 */

int
YYPARSE_DECL()
{
    int yym, yyn, yystate, yyresult;
#if YYBTYACC
    int yynewerrflag;
    YYParseState *yyerrctx = NULL;
#endif /* 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)
    {
        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

#if YYBTYACC
    yyps = yyNewState(0); if (yyps == 0) goto yyenomem;
    yyps->save = 0;
#endif /* YYBTYACC */
    yym = 0;
    /* yyn is set below */
    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 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;
#if YYBTYACC
        } while (0);
#endif /* 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 YYBTYACC
            if (!yytrial)
#endif /* YYBTYACC */
                fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval));
#endif
            fputc('\n', stderr);
        }
#endif
    }
#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 */
    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 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)
#if YYBTYACC
                if (!yytrial)
#endif /* 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 YYBTYACC
        if (!yytrial)
#endif /* 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 YYBTYACC
        if (!yytrial)
#endif /* 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 YYBTYACC
    if (!yytrial)
#endif /* 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)
    {
case 1:
#line 684 "./genders_query.y"
	{
             genders_treeroot = yystack.l_mark[0].tree;
           }
#line 1637 "genders_query.tab.c"
break;
case 2:
#line 689 "./genders_query.y"
	{yyval.tree = yystack.l_mark[0].tree;}
#line 1642 "genders_query.tab.c"
break;
case 3:
#line 691 "./genders_query.y"
	{
             yyval.tree = _genders_makenode("||", yystack.l_mark[-2].tree, yystack.l_mark[0].tree);
           }
#line 1649 "genders_query.tab.c"
break;
case 4:
#line 695 "./genders_query.y"
	{
             yyval.tree = _genders_makenode("&&", yystack.l_mark[-2].tree, yystack.l_mark[0].tree);
           }
#line 1656 "genders_query.tab.c"
break;
case 5:
#line 699 "./genders_query.y"
	{
             yyval.tree = _genders_makenode("--", yystack.l_mark[-2].tree, yystack.l_mark[0].tree);
           }
#line 1663 "genders_query.tab.c"
break;
case 6:
#line 705 "./genders_query.y"
	{
             yyval.tree = _genders_makenode(yystack.l_mark[0].attr, NULL, NULL);
           }
#line 1670 "genders_query.tab.c"
break;
case 7:
#line 709 "./genders_query.y"
	{
             yyval.tree = yystack.l_mark[-1].tree;
           }
#line 1677 "genders_query.tab.c"
break;
case 8:
#line 713 "./genders_query.y"
	{
             _genders_set_complement_flag(yystack.l_mark[0].tree);
             yyval.tree = yystack.l_mark[0].tree;
           }
#line 1685 "genders_query.tab.c"
break;
#line 1687 "genders_query.tab.c"
    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 YYBTYACC
            if (!yytrial)
#endif /* 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 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;
#if YYBTYACC
            } while (0);
#endif /* 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 YYBTYACC
        if (!yytrial)
#endif /* 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 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");
#if YYBTYACC
    goto yyabort_nomem;
yyenomem:
    YYERROR_CALL("memory exhausted");
yyabort_nomem:
#endif /* YYBTYACC */
    yyresult = 2;
    goto yyreturn;

yyabort:
    yyresult = 1;
    goto yyreturn;

yyaccept:
#if YYBTYACC
    if (yyps->save) goto yyvalid;
#endif /* 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 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);
}
