Create simplecalc.l

Author: VictorRodriguez

labs/04/calculator_v2_linux_zoo/simplecalc.l

@@ -0,0 +1,16 @@
+%{
+#include "y.tab.h"
+extern int yylval;
+
+%}
+
+%option noyywrap
+
+
+%%
+[0-9]+                          { yylval = atoi(yytext); return NUMBER; }
+[a-z]                           { yylval = yytext[0]; return NAME; }
+[ \t] ;                         /* ignore whitespace */
+\n return 0;            /* logical EOF */
+. return yytext[0];
+%%