Subiendo archivos desde github

a_lex.l

+%{
+	#include<stdio.h>
+	#include"y.tab.h"
+	int pos = 0;
+%}
+%%
+[0-9]+(\.[0-9]+)?   {
+			pos++;
+			yylval.real = atof(yytext);
+			return (DIGITO);
+}
+true    {
+			pos++;
+			yylval.logico = 1;
+			return (BOOLEANO);
+}
+false   {
+			pos++;
+			yylval.logico = 0;
+			return (BOOLEANO);
+}
+\'.\' {
+			pos++;
+			yylval.caracter = yytext;
+			return (CARACTER);
+}
+\".+\" {
+			pos++;
+			strcpy(yylval.cadenaReservada, yytext);
+			return (CADENA);
+}
+"if" {
+			pos++;
+			return (IF)
+}
+"else" {
+			pos++;
+			return (ELSE)
+}
+"do" {
+			pos++;
+			return (DO)
+}
+"while" {
+			pos++;
+			return (WHILE)
+}
+"printf" {
+			pos++;
+			return (PRINTF);
+}
+"scanf" {
+			pos++;
+			return (SCANF));
+}
+"var" {
+			pos++;
+			return (VAR);
+}
+"sin" {
+			pos++;
+			return (SIN);
+}
+"cos" {
+			pos++;
+			return (COS);
+}
+"tan" {
+			pos++;
+			return (TAN);
+}
+"arcsin" {
+			pos++;
+			return (ARCSIN);
+}
+"arccos" {
+			pos++;
+			return (ARCCOS);
+}
+"arctg" {
+			pos++;
+			return (ARCTG);
+}
+"mcm" {
+			pos++;
+			return (MCM);
+}
+"mcd" {
+			pos++;
+			return (MCD);
+}
+"log" {
+			pos++;
+			return (LOG);
+}
+("+"|"-"|"*"|"/"|"^"|"("|")"|";"|"|"|"&"|"!"|">"|">="|"<"|"<="|"=="|"!=") {
+	return yytext[0];
+}
+%%
\ No newline at end of file