%{
#include "asm_instructions.h"
#include "symbol_table.h"
#include "as.tab.h"
#include "yacc_util.h"
%}

D           [0-9]

%%

{D}+(e{D}+)?	{ 
                yylval.nombre = atoi(yytext);
                return tNB;
            }

"+"			{ 
                yylval.instruction = ADD;
                return tADD; 
            }
"-"			{ 
                yylval.instruction = SOU;
                return tSUB;
            }
"*"			{ 
                yylval.instruction = MUL;
                return tMUL;
            }
"/"			{ 
                yylval.instruction = DIV;
                return tDIV;
            }
"="			{ return tEQ; }
"("			{ return tPO; }
")"			{ return tPF; }
";"			{ return tPV; }
","			{ return tVIRG; }
"{"			{ return tAO; }
"}"			{ return tAF; }
"=="		{ 
				struct Condition* c = malloc(sizeof(struct Condition));
				c->instruction = EQU;
				c->not = 0;
                yylval.condition = c;
                return tEQ2;
			}
"!="		{ 
				struct Condition* c = malloc(sizeof(struct Condition));
				c->instruction = EQU;
				c->not = 1;
                yylval.condition = c;
                return tNOTEQ;
            }
"<"			{ 
				struct Condition* c = malloc(sizeof(struct Condition));
				c->instruction = INF;
				c->not = 0;
                yylval.condition = c;
                return tINF;
            }
"<="		{ 
				struct Condition* c = malloc(sizeof(struct Condition));
				c->instruction = SUP;
				c->not = 1;
                yylval.condition = c;
                return tINFEQ;
            }
">"			{ 
				struct Condition* c = malloc(sizeof(struct Condition));
				c->instruction = SUP;
				c->not = 0;
                yylval.condition = c;
                return tSUP;
            }
">="		{ 
				struct Condition* c = malloc(sizeof(struct Condition));
				c->instruction = INF;
				c->not = 1;
                yylval.condition = c;
                return tSUPEQ;
            }
"!"			{ return tNOT; }
"&&"		{ return tAND; }
"||"		{ return tOR; }
[ \t\n]+	{ }

"int"		{ return tINT; }
"const"		{ return tCONST; }
"main"		{ return tMAIN; }
"if"		{ return tIF; }
"else"		{ return tELSE; }
"elsif"		{ return tELSIF; }
"while"		{ return tWHILE; }
"printf"	{ return tPRINTF; }
[a-zA-Z][a-zA-Z0-9_]*		{ 
                                yylval.symbol_name = malloc(sizeof(yytext));
                                strcpy(yylval.symbol_name, yytext);
                                return tID; 
                            }

%%

int yywrap() {
	return 1;
}
// int main () {
// 	yylex();
// 	return 1;
// }