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Lex变量<br />
当id被匹配时,会用到三个变量<br />
yylval:token的值<br />
yytext:token的lexeme<br />
yyleng:lexeme的长度
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Lex变量<br />
当id被匹配时,会用到三个变量<br />
yylval:token的值<br />
yytext:token的lexeme<br />
yyleng:lexeme的长度
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