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27 lines
790 B
C++
27 lines
790 B
C++
#include <sstream>
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bool lex (std::istringstream & is, const std::streampos limit)
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{
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std::streampos marker;
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std::streampos ctxmarker;
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# define YYCTYPE char
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# define YYPEEK() is.peek ()
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# define YYSKIP() is.ignore ()
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# define YYBACKUP() marker = is.tellg ()
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# define YYBACKUPCTX() ctxmarker = is.tellg ()
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# define YYRESTORE() is.seekg (marker)
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# define YYRESTORECTX() is.seekg (ctxmarker)
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# define YYLESSTHAN(n) limit - is.tellg () < 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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std::istringstream is (buffer);
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return !lex (is, sizeof (buffer));
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}
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