mirror of https://github.com/ZDoom/gzdoom.git
44 lines
998 B
C++
44 lines
998 B
C++
#include <stdio.h>
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char peek (FILE * f)
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{
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char c = fgetc (f);
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ungetc (c, f);
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return c;
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}
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bool lex (FILE * f, const long limit)
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{
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long marker;
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long ctxmarker;
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# define YYCTYPE char
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# define YYPEEK() peek (f)
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# define YYSKIP() fgetc (f)
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# define YYBACKUP() marker = ftell (f)
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# define YYBACKUPCTX() ctxmarker = ftell (f)
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# define YYRESTORE() fseek (f, marker, SEEK_SET)
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# define YYRESTORECTX() fseek (f, ctxmarker, SEEK_SET)
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# define YYLESSTHAN(n) limit - ftell (f) < n
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# define YYFILL(n) {}
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/*!re2c
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"int buffer " / "[" [0-9]+ "]" { return true; }
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* { return false; }
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*/
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}
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int main ()
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{
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const char buffer [] = "int buffer [1024]";
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const char fn [] = "input.txt";
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FILE * f = fopen (fn, "w");
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fwrite (buffer, 1, sizeof (buffer), f);
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fclose (f);
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f = fopen (fn, "rb");
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int result = !lex (f, sizeof (buffer));
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fclose (f);
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return result;
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}
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