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/* GNU gettext - internationalization aids
Copyright (C) 1995-1998, 2000, 2001 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 2, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef _PO_LEX_H
#define _PO_LEX_H
#include <sys/types.h>
#include <stdio.h>
#include <stdbool.h>
#include "error.h"
#include "progname.h"
#include "pos.h"
#include "xerror.h"
/* Lexical analyzer for reading PO files. */
/* Global variables from po-lex.c. */
/* Current position within the PO file. */
extern lex_pos_ty gram_pos;
extern 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 unsigned int gram_max_allowed_errors;
/* True if obsolete entries shall be considered as valid. */
extern bool pass_obsolete_entries;
/* Prepare lexical analysis. */
extern void lex_start PARAMS ((FILE *fp, const char *real_filename,
const char *logical_filename));
/* Terminate lexical analysis. */
extern FILE *lex_end PARAMS ((void));
/* Open the PO file FNAME and prepare its lexical analysis. */
extern void lex_open PARAMS ((const char *fname));
/* Terminate lexical analysis and close the current PO file. */
extern void lex_close PARAMS ((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 PARAMS ((void));
/* po_gram_lex() can return comments as COMMENT. Switch this on or off. */
extern void po_lex_pass_comments PARAMS ((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 PARAMS ((bool flag));
/* ISO C 99 is smart enough to allow optimizations like this. */
#if __STDC__ && (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L)
/* CAUTION: If you change this macro, you must also make identical
changes to the function of the same name in src/po-lex.c */
# define po_gram_error(fmt, ...) \
do { \
char *totalfmt = xasprintf ("%s%s", "%s:%d:%d: ", fmt); \
error_with_progname = false; \
error (0, 0, totalfmt, gram_pos.file_name, gram_pos.line_number, \
gram_pos_column + 1, __VA_ARGS__); \
error_with_progname = true; \
free (totalfmt); \
if (*fmt == '.') \
--error_message_count; \
else if (error_message_count >= gram_max_allowed_errors) \
error (1, 0, _("too many errors, aborting")); \
} while (0)
/* CAUTION: If you change this macro, you must also make identical
changes to the function of the same name in src/po-lex.c */
# define po_gram_error_at_line(pos, fmt, ...) \
do { \
error_with_progname = false; \
error_at_line (0, 0, (pos)->file_name, (pos)->line_number, \
fmt, __VA_ARGS__); \
error_with_progname = true; \
if (*fmt == '.') \
--error_message_count; \
else if (error_message_count >= gram_max_allowed_errors) \
error (1, 0, _("too many errors, aborting")); \
} while (0)
/* GCC is also smart enough to allow optimizations like this. */
#elif __STDC__ && defined __GNUC__ && __GNUC__ >= 2
/* CAUTION: If you change this macro, you must also make identical
changes to the function of the same name in src/po-lex.c */
# define po_gram_error(fmt, args...) \
do { \
char *totalfmt = xasprintf ("%s%s", "%s:%d:%d: ", fmt); \
error_with_progname = false; \
error (0, 0, totalfmt, gram_pos.file_name, gram_pos.line_number, \
gram_pos_column + 1 , ## args); \
error_with_progname = true; \
free (totalfmt); \
if (*fmt == '.') \
--error_message_count; \
else if (error_message_count >= gram_max_allowed_errors) \
error (1, 0, _("too many errors, aborting")); \
} while (0)
/* CAUTION: If you change this macro, you must also make identical
changes to the function of the same name in src/po-lex.c */
# define po_gram_error_at_line(pos, fmt, args...) \
do { \
error_with_progname = false; \
error_at_line (0, 0, (pos)->file_name, (pos)->line_number, \
fmt , ## args); \
error_with_progname = true; \
if (*fmt == '.') \
--error_message_count; \
else if (error_message_count >= gram_max_allowed_errors) \
error (1, 0, _("too many errors, aborting")); \
} while (0)
#else
extern void po_gram_error PARAMS ((const char *fmt, ...));
extern void po_gram_error_at_line PARAMS ((const lex_pos_ty *pos,
const char *fmt, ...));
#endif
/* Contains information about the definition of one translation. */
struct msgstr_def
{
char *msgstr;
size_t msgstr_len;
};
#endif
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