/* GNU gettext - internationalization aids

   Copyright (C) 1995-1998, 2000-2006, 2012, 2015 Free Software

   Foundation, Inc.

   This file was written by Peter Miller <millerp@canb.auug.org.au>

   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 3 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, see <http://www.gnu.org/licenses/>.  */

#ifndef _PO_LEX_H

#define _PO_LEX_H

#include <sys/types.h>

#include <stdio.h>

#include <stdbool.h>

#include "error.h"

#include "error-progname.h"

#include "xerror.h"

#include "pos.h"

#ifndef __attribute__

/* This feature is available in gcc versions 2.5 and later.  */

# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__

#  define __attribute__(Spec) /* empty */

# endif

/* The __-protected variants of 'format' and 'printf' attributes

   are accepted by gcc versions 2.6.4 (effectively 2.7) and later.  */

# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)

#  define __format__ format

#  define __printf__ printf

# endif

#endif

#ifdef __cplusplus

extern "C" {

#endif

/* Lexical analyzer for reading PO files.  */

/* Global variables from po-lex.c.  */

/* Current position within the PO file.  */

extern DLL_VARIABLE lex_pos_ty gram_pos;

extern DLL_VARIABLE int gram_pos_column;

/* Number of parse errors within a PO file that cause the program to

   terminate.  Cf. error_message_count, declared in <error.h>.  */

extern DLL_VARIABLE unsigned int gram_max_allowed_errors;

/* True if obsolete entries shall be considered as valid.  */

extern DLL_VARIABLE bool pass_obsolete_entries;

/* Prepare lexical analysis.  */

extern void lex_start (FILE *fp, const char *real_filename,

                       const char *logical_filename);

/* Terminate lexical analysis.  */

extern void lex_end (void);

/* Return the next token in the PO file.  The return codes are defined

   in "po-gram-gen2.h".  Associated data is put in 'po_gram_lval.  */

extern int po_gram_lex (void);

/* po_gram_lex() can return comments as COMMENT.  Switch this on or off.  */

extern void po_lex_pass_comments (bool flag);

/* po_gram_lex() can return obsolete entries as if they were normal entries.

   Switch this on or off.  */

extern void po_lex_pass_obsolete_entries (bool flag);

extern void po_gram_error (const char *fmt, ...)

       __attribute__ ((__format__ (__printf__, 1, 2)));

extern void po_gram_error_at_line (const lex_pos_ty *pos, const char *fmt, ...)

       __attribute__ ((__format__ (__printf__, 2, 3)));

/* Contains information about the definition of one translation.  */

struct msgstr_def

{

  char *msgstr;

  size_t msgstr_len;

};

#ifdef __cplusplus

}

#endif

#endif