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/*
 *  ChkTeX, header file for main program.
 *  Copyright (C) 1995-96 Jens T. Berger Thielemann
 *
 *  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 *  Contact the author at:
 *              Jens Berger
 *              Spektrumvn. 4
 *              N-0666 Oslo
 *              Norway
 *              E-mail: <jensthi@ifi.uio.no>
 *
 *
 */

#ifndef CHKTEX_H
#define CHKTEX_H 1
#if defined(HAVE_CONFIG_H) || defined(CONFIG_H_NAME)
#  ifndef CONFIG_H_NAME
#    define  CONFIG_H_NAME   "config.h"
#  endif
#  ifndef HAVE_CONFIG_H
#    define HAVE_CONFIG_H 1
#  endif
#  include CONFIG_H_NAME
#endif

#ifdef KPATHSEA
#include <kpathsea/config.h>
#include <kpathsea/getopt.h>
#endif

#include <ctype.h>
#include <math.h>
#include <stdio.h>

#ifdef HAVE_STDARG_H
#  include <stdarg.h>
#else
#error Sorry, ChkTeX needs an _ANSI_ compiler w/stdarg.h installed to compile.
#endif

#ifndef HAVE_VPRINTF
#error Sorry, ChkTeX needs an _ANSI_ compiler w/vprintf() to compile.
#endif

#include <stddef.h>
#include <stdlib.h>
#include <string.h>

#ifdef HAVE_UNISTD_H
#  include <unistd.h>
#endif

#ifdef HAVE_LIMITS_H
#  include <limits.h>
#endif

#ifdef HAVE_STRINGS_H
#  include <strings.h>
#endif

#include "types.h"

#ifndef LONG_MAX
#  define LONG_MAX (0x7fffffff)
#endif

#ifndef CHAR_BIT
#  define CHAR_BIT (8)
#endif

#include "FindErrs.h"

#if defined(HAVE_FILENO) && defined(HAVE_ISATTY)
#  include <stdio.h>
#endif

/*
 * Define aliases for preprocessor statements
 */

#if defined(__unix__) || defined(__unix) || defined(unix)
#undef __unix__
#define __unix__ 1
#elif defined(MSDOS) || defined(__MSDOS__) || defined(__msdos__)
#undef __MSDOS__
#define __MSDOS__ 1
#endif

/*  -=><=- -=><=- -=><=- -=><=- -=><=- -=><=- -=><=- -=><=- -=><=-  */

/*
 * NOTE: All macros below should return FALSE (0) if the input
 * character is 0.
 *
 * The next macro should return TRUE if LaTeX (and you?) considers
 * the character `c' as a space, which should be detected when
 * we're checking whether commands are terminated by spaces.
 *
 * Note: If you wish to change this macro, you'll have to update
 * the main loop in FindErrs.c as well.
 */

#define LATEX_SPACE(c)  (c > 0 && c <= ' ')

/*  -=><=- -=><=- -=><=- -=><=- -=><=- -=><=- -=><=- -=><=- -=><=-  */






#define betw(a,b,c)             ((a < b) && (b < c))
#define within(a,b,c)           ((a <= b) && (b <= c))

#ifndef min
#  define min(a,b) ((a)<=(b)?(a):(b))
#endif

#ifndef max
#  define max(a,b) ((a)>(b)?(a):(b))
#endif

#ifndef abs
#  define abs(a) (a>=0?a:(-a))
#endif

#define LOOP(name, body)  {{body} _end__##name:;}
#define LAST(name)        goto _end__##name

#define NUMBRACKETS          6

#define NEWBUF(name,len) \
static char _ ## name [len  + (WALLBYTES<<1)] = {0};  \
char *name = &_ ## name[WALLBYTES]

#define INTFAULTMSG "INTERNAL FAULT OCCURED! PLEASE SUBMIT A BUG REPORT!\n"

#define INTERNFAULT   INTFAULTMSG

#define BITDEF1(a)    BIT_ ## a
#define BITDEF2(a)    FLG_ ## a = (1<<BIT_ ## a)

/*
 * Debugging info
 */

#define DEBUGBITS(a) enum a { \
    BIT(DbgMsgs),        /* Dump messages */ \
    BIT(DbgListInfo),    /* Dump list info */ \
    BIT(DbgListCont),    /* Dump list contents */ \
    BIT(DbgOtherInfo),   /* Dump misc. other info */ \
    BIT(DbgRunTime)      /* Dump runtime info */ \
};

#undef BIT
#define BIT BITDEF1
DEBUGBITS(Debug_BIT)
#undef BIT
#define BIT BITDEF2
    DEBUGBITS(Debug_FLG)
#ifdef STRIP_DEBUG
#  define DEBUG(a)
#else
#  define DEBUG(a)    if(DebugLevel & FLG_DbgRunTime) ErrPrintf a
#endif
#define PRGMSGS \
 MSG(pmMinFault, etWarn, TRUE, 0, INTERNFAULT)\
 MSG(pmNoFileMatch, etWarn, TRUE, 0,\
     "No files matched the pattern `%s'.")\
 MSG(pmNoTeXOpen,   etWarn,  TRUE, 0,\
     "Unable to open the TeX file `%s'.")\
 MSG(pmRename,      etMsg,  TRUE, 0,\
     "Renaming `%s' as `%s'.")\
 MSG(pmRenameErr,   etErr,  TRUE, 0,\
     "Could not rename `%s' to `%s'.")\
 MSG(pmOutOpen,     etErr,  TRUE, 0,\
     "Unable to open output file.")\
 MSG(pmOutTwice,    etErr,  TRUE, 0,\
     "You can specify output file only once.")\
 MSG(pmStrDupErr,   etErr,  TRUE, 0,\
     "Unable to duplicate strings - no memory?")\
 MSG(pmWordListErr, etErr,  TRUE, 0,\
     "Unable to create wordlist - no memory?")\
 MSG(pmNoStackMem,  etErr,  TRUE, 0,\
     "Unable to create stack - no memory?\n")\
 MSG(pmWarnNumErr,  etErr,  TRUE, 0,\
     "Illegal warning number used.")\
 MSG(pmVerbLevErr,  etErr,  TRUE, 0,\
     "Illegal verbosity level.")\
 MSG(pmNotPSDigit,  etWarn, TRUE, 0,\
     "`%c' is not a %s digit - ignored!")\
 MSG(pmEscCode,     etWarn, TRUE, 0,\
     "Unknown escape code `%c%c' - ignored!")\
 MSG(pmKeyWord,     etErr,  TRUE, 0,\
     "Unsupported control word (`%s') encountered in file `%s'.")\
 MSG(pmFaultFmt,    etErr,  TRUE, 0,\
     "\"%s\", line %d: Faulty format - unexpected %s found.")\
 MSG(pmRsrcOpen,    etWarn, TRUE, 0,\
     "Could not open `%s', may cause unwanted behaviour.")\
 MSG(pmSlowAbbr,    etMsg,  FALSE, 0,\
     "The abbreviation `%s' requires slow abbreviation searching.")\
 MSG(pmEmptyToken,  etWarn,  TRUE,  0,\
     "Empty token isolated in `%s' - probably faulty format")\
 MSG(pmAssert,      etErr,  TRUE,  0,\
     "Assertion failed. Please report bug.")\
 MSG(pmNoRsrc,      etWarn, TRUE, 0,\
     "Could not find global resource file.")\
 MSG(pmQuoteStyle,    etWarn, TRUE, 0,\
     "Illegal quotestyle `%s'.")\
 MSG(pmWrongWipeTemp, etWarn, TRUE, 0,\
     "Wrong template for wiping arguments, \"%s\"")\
 MSG(pmSpecifyTerm, etErr, TRUE, 0,\
     "Specify a terminal type with `setenv TERM <yourtype>'.")\
 MSG(pmNoTermData, etErr, TRUE, 0,\
     "Could not access the termcap data base.")\
 MSG(pmNoTermDefd, etErr, TRUE, 0,\
     "Terminal type `%s' is not defined.")\
 MSG(pmNoRegExp,   etWarn, TRUE, 0,\
     "Regular expressions not compiled in. Please recompile.")\
 MSG(pmNoCommon,   etErr, TRUE, 0,\
     "`%s' can't be a member of both `%s' and `%s'.") \
 MSG(pmNoOpenDir,  etWarn, TRUE, 0, \
     "Could not open the directory `%s'.") \
 MSG(pmNoDebugFlag, etWarn, TRUE, 0, \
     "This version of doesn't support the -d flag. Please recompile.")
#undef MSG
#define MSG(num, type, inuse, ctxt, text) num,
     enum PrgErrNum
     {
         PRGMSGS pmMaxFault
     };
#undef MSG

     extern struct ErrMsg PrgMsgs[pmMaxFault + 1];

     struct ErrInfo
     {
         char *Data;
         const char *LineBuf;
         const char *File;
         unsigned long Line, Column, ErrLen;
         enum
         {
             efNone = 0x00,
             efNoItal = 0x01,
             efItal = 0x02
         } Flags;
     };

     extern char *ReadBuffer;
     extern char *CmdBuffer;
     extern char *TmpBuffer;

     extern const char BrOrder[NUMBRACKETS + 1];

     extern unsigned long Brackets[NUMBRACKETS];


     extern FILE *OutputFile, *InputFile;

#define OPTION_DEFAULTS \
  DEF(int, GlobalRC,    TRUE) \
  DEF(int, WipeVerb,    TRUE) \
  DEF(int, BackupOut,   TRUE) \
  DEF(int, Quiet,       FALSE) \
  DEF(int, LicenseOnly, FALSE) \
  DEF(int, UsingStdIn,  FALSE) \
  DEF(int, InputFiles,  TRUE) \
  DEF(int, HeadErrOut,  TRUE) \
  DEF(const char *, OutputName, "") \
  DEF(const char *, PseudoInName, NULL) \
  DEF(char *, OutputFormat, VerbNormal) \
  DEF(char *, PipeOutputFormat, NULL) \
  DEF(const char *, Delimit, ":") \
  DEF(long,  DebugLevel, 0)

#define STATE_VARS \
  DEF(enum ItState, ItState, itOff) /* Are we doing italics? */ \
  DEF(int, AtLetter, FALSE) /* Whether `@' is a letter or not. */ \
  DEF(int, InHeader, TRUE)  /* Whether we're in the header */ \
  DEF(int, VerbMode, FALSE) /* Whether we're in complete ignore-mode */ \
  DEF(long, MathMode, 0)     /* Whether we're in math mode or not */ \
  DEF(const char *, VerbStr, "")   /* String we'll terminate verbmode upon */ \
  DEF(unsigned long, ErrPrint, 0)    /* # errors printed */ \
  DEF(unsigned long, WarnPrint, 0)   /* # warnings printed */ \
  DEF(unsigned long, UserSupp, 0)    /* # user suppressed warnings */

#define DEF(type, name, value) extern type name;
     OPTION_DEFAULTS STATE_VARS
#undef DEF
     extern struct Stack CharStack, InputStack, EnvStack;

     enum Quote
     {
         quLogic,
         quTrad
     };

     extern enum Quote Quote;
     extern int StdInTTY, StdOutTTY, UsingStdIn;

     int main(int argc, char **argv);
     void PrintPrgErr(enum PrgErrNum, ...);
     void ErrPrintf(const char *fmt, ...);

     extern char *PrgName;

#endif /* CHKTEX_H */