3rdparty/btparse/lex_auxiliary.h

0001 /* ------------------------------------------------------------------------
0002 @NAME       : lex_auxiliary.h
0003 @DESCRIPTION: Macros and function prototypes needed by the lexical scanner.
0004               Some of these are called from internal PCCTS code, and some
0005               are explicitly called from the lexer actions in bibtex.g.
0006 @CREATED    : Summer 1996, Greg Ward
0007 @MODIFIED   :
0008 @VERSION    : $Id: lex_auxiliary.h,v 1.15 1999/11/29 01:13:10 greg Rel $
0009 @COPYRIGHT  : Copyright (c) 1996-99 by Gregory P. Ward.  All rights reserved.
0010
0011               This file is part of the btparse library.  This library is
0012               free software; you can redistribute it and/or modify it under
0013               the terms of the GNU General Public License as
0014               published by the Free Software Foundation; either version 2
0015               of the License, or (at your option) any later version.
0016 -------------------------------------------------------------------------- */
0017 #ifndef LEX_AUXILIARY_H
0018 #define LEX_AUXILIARY_H
0019
0020 #include "btparse.h"
0021 #include "attrib.h"
0022
0023 #define ZZCOPY_FUNCTION 0
0024
0025 #if ZZCOPY_FUNCTION
0026 #define ZZCOPY zzcopy (&zznextpos, &lastpos, &zzbufovf)
0027 #else
0028 #define ZZCOPY                                  \
0029    if (zznextpos >= lastpos)                    \
0030    {                                            \
0031       lexer_overflow (&lastpos, &zznextpos);    \
0032    }                                            \
0033    *(zznextpos++) = zzchar;
0034 #endif
0035
0036
0037 /* Function prototypes: */
0038
0039 void lex_info (void);
0040 void zzcr_attr (Attrib *a, int tok, char *txt);
0041
0042 void alloc_lex_buffer (int size);
0043 void free_lex_buffer (void);
0044 void lexer_overflow (unsigned char **lastpos, unsigned char **nextpos);
0045 #if ZZCOPY_FUNCTION
0046 void zzcopy (char **nextpos, char **lastpos, int *ovf_flag);
0047 #endif
0048
0049 void initialize_lexer_state (void);
0050 bt_metatype entry_metatype (void);
0051
0052 void newline (void);
0053 void comment (void);
0054 void at_sign (void);
0055 void toplevel_junk (void);
0056 void name (void);
0057 void lbrace (void);
0058 void rbrace (void);
0059 void lparen (void);
0060 void rparen (void);
0061
0062 void start_string (char start_char);
0063 void end_string (char end_char);
0064 void open_brace (void);
0065 void close_brace (void);
0066 void lparen_in_string (void);
0067 void rparen_in_string (void);
0068 void quote_in_string (void);
0069 void check_runaway_string (void);
0070
0071 #endif /* ! defined LEX_AUXILIARY_H */