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/*=============================================================================
Wave: A Standard compliant C++ preprocessor
Copyright (c) 2001 Daniel C. Nuffer
Copyright (c) 2001-2004 Hartmut Kaiser
http://spirit.sourceforge.net/
Use, modification and distribution is subject to the Boost Software
License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
http://www.boost.org/LICENSE_1_0.txt)
See Copyright.txt for full acknowledgements.
=============================================================================*/
#ifndef SCANNER_HPP
#define SCANNER_HPP
#include "wave/cpplexer/re2clex/aq.hpp"
///////////////////////////////////////////////////////////////////////////////
namespace wave {
namespace cpplexer {
namespace re2clex {
struct Scanner;
typedef unsigned char uchar;
typedef int (* ReportErrorProc)(struct Scanner *, char *, ...);
typedef struct Scanner {
int fd; /* file descriptor */
uchar* first; /* start of input buffer (if fd == -1) */
uchar* act; /* act position of input buffer (if fd == -1) */
uchar* last; /* end (one past last char) of input buffer (if fd == -1) */
uchar* bot; /* beginning of the current buffer */
uchar* top; /* top of the current buffer */
uchar* eof; /* when we read in the last buffer, will point 1 past the
end of the file, otherwise 0 */
uchar* tok; /* points to the beginning of the current token */
uchar* ptr; /* used for YYMARKER - saves backtracking info */
uchar* cur; /* saves the cursor (maybe is redundant with tok?) */
uchar* lim; /* used for YYLIMIT - points to the end of the buffer */
/* (lim == top) except for the last buffer, it points to
the end of the input (lim == eof - 1) */
unsigned int line; /* current line being lexed */
ReportErrorProc error_proc; /* if != 0 this function is called to
report an error */
char const *file_name; /* name of the lexed file */
aq_queue eol_offsets;
int enable_ms_extensions; /* enable MS extensions */
int act_in_c99_mode; /* lexer works in C99 mode */
int act_in_cpp0x_mode; /* lexer works in C++0x mode */
} Scanner;
int scan(Scanner *s);
///////////////////////////////////////////////////////////////////////////////
} // namespace re2clex
} // namespace cpplexer
} // namespace wave
#endif // SCANNER_HPP
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