/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*      Copyright (c) 1988 AT&T */
/*        All Rights Reserved   */


/*
 * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
 */

#include        "m4.h"


/* storage params */
int     hshsize         = DEF_HSHSIZE;  /* hash table size (prime) */
int     bufsize         = DEF_BUFSIZE;  /* pushback & arg text buffers */
int     stksize         = DEF_STKSIZE;  /* call stack */
int     toksize         = DEF_TOKSIZE;  /* biggest word ([a-z_][a-z0-9_]*) */


/* pushback buffer */
wchar_t *ibuf;                          /* buffer */
wchar_t *ibuflm;                        /* highest buffer addr */
wchar_t *ip;                            /* current position */
wchar_t *ipflr;                         /* buffer floor */
wchar_t         *ipstk[10];                     /* stack for "ipflr"s */


/* arg collection buffer */
wchar_t *obuf;                          /* buffer */
wchar_t *obuflm;                        /* high address */
wchar_t *op;                            /* current position */


/* call stack */
struct call     *callst;                /* stack */
struct call     *Cp     = NULL;         /* position */


/* token storage */
wchar_t *token;                         /* buffer */
wchar_t *toklm;                         /* high addr */


/* file name and current line storage for line sync and diagnostics */
char    *fname[11];                     /* file name ptr stack */
int     fline[10];                      /* current line nbr stack */


/* input file stuff for "include"s */
FILE    *ifile[10]      = {stdin};      /* stack */
int     ifx;                            /* stack index */
ibuf_t  ibuffer[11];                    /* input buffer */

/* stuff for output diversions */
FILE    *cf     = stdout;               /* current output file */
FILE    *ofile[11]      = {stdout};     /* output file stack */
int     ofx;                            /* stack index */


/* comment markers */
wchar_t lcom[MAXSYM+1]  = L"#";
wchar_t rcom[MAXSYM+1]  = L"\n";


/* quote markers */
wchar_t lquote[MAXSYM+1]  = L"`";
wchar_t rquote[MAXSYM+1]  = L"\'";


/* argument ptr stack */
wchar_t **argstk;
wchar_t *astklm;                        /* high address */
wchar_t **Ap;                           /* current position */


/* symbol table */
struct nlist    **hshtab;               /* hash table */
unsigned int    hshval;                 /* last hash val */


/* misc */
char    *procnam;                       /* argv[0] */
char    *tempfile;                      /* used for diversion files */
struct  Wrap *wrapstart = NULL; /* first entry in of list of "m4wrap" strings */
wchar_t nullstr[]       = {0};
int     nflag   = 1;                    /* name flag, used for line sync code */
int     sflag;                          /* line sync flag */
int     sysrval;                        /* return val from syscmd */
int     trace;                          /* global trace flag */
int     exitstat = OK;                  /* global exit status */
int     wide;                           /* multi-byte locale */