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34 lines
684 B
C++
34 lines
684 B
C++
/* $Id: scanner.h,v 1.5 2004/05/13 02:58:18 nuffer 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 "token.h"
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class Scanner {
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private:
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std::istream& in;
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char *bot, *tok, *ptr, *cur, *pos, *lim, *top, *eof;
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uint tchar, tline, cline;
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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(std::istream&);
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int echo(std::ostream&);
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int scan();
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void fatal(char*);
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SubStr token();
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uint line();
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};
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inline SubStr Scanner::token(){
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return SubStr(tok, cur - tok);
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}
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inline uint Scanner::line(){
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return cline;
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}
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#endif
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