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1.1 ! root 1: #include "lexlib.h" ! 2: yyless(n) ! 3: { ! 4: if (n < 0) ! 5: return; ! 6: if (yyleng-n+qct(ll_tq) > QSIZE) ! 7: error(inpovf); ! 8: while (yyleng > n) { ! 9: qug(ll_tq, yytext[--yyleng]); ! 10: if (ll_tlen) ! 11: --ll_tlen; ! 12: } ! 13: if (yyleng) ! 14: ll_lc = yytext[yyleng-1]; ! 15: yytext[yyleng] = '\0'; ! 16: }
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