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43abfba723
re2c instead of "Linking X". - Updated lemon and re2c to the latest versions and ported dehsupp to use them for code generation. (Xlatcc is next.) - Added function level linking for Makefile.mingw. SVN r144 (trunk)
74 lines
1.5 KiB
C++
74 lines
1.5 KiB
C++
/* $Id: scanner.h,v 1.17 2006/02/25 12:57:50 helly Exp $ */
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#ifndef _scanner_h
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#define _scanner_h
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#include <iosfwd>
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#include <string>
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#include "token.h"
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#include "re.h"
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#include "globals.h"
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namespace re2c
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{
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class Scanner:
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public line_number
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{
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private:
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std::istream& in;
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std::ostream& out;
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char *bot, *tok, *ptr, *cur, *pos, *lim, *top, *eof;
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uint tchar, tline, cline, iscfg;
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const char *filename;
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private:
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char *fill(char*);
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Scanner(const Scanner&); //unimplemented
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Scanner& operator=(const Scanner&); //unimplemented
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public:
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Scanner(const char*, std::istream&, std::ostream&);
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int echo();
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int scan();
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void fatal(const char*) const;
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void fatal(uint, const char*) const;
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void config(const Str&, int);
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void config(const Str&, const Str&);
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SubStr token() const;
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virtual uint get_line() const;
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uint xlat(uint c) const;
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uint unescape(SubStr &s) const;
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std::string& unescape(SubStr& str_in, std::string& str_out) const;
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Range * getRange(SubStr &s) const;
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RegExp * matchChar(uint c) const;
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RegExp * strToName(SubStr s) const;
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RegExp * strToRE(SubStr s) const;
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RegExp * strToCaseInsensitiveRE(SubStr s) const;
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RegExp * ranToRE(SubStr s) const;
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RegExp * invToRE(SubStr s) const;
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RegExp * mkDot() const;
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};
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inline void Scanner::fatal(const char *msg) const
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{
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fatal(0, msg);
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}
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inline SubStr Scanner::token() const
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{
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return SubStr(tok, cur - tok);
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}
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inline uint Scanner::xlat(uint c) const
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{
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return re2c::wFlag ? c : re2c::xlat[c];
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}
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} // end namespace re2c
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#endif
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