%{
#include <cstdlib>
#include <cstring>
#include <cstdio>
#include <string>
#include "def.tab.hh"

#define INFILE_ERROR 1
#define OUTFILE_ERROR 2

#define YY_DECL int yyFlexLexer::yylex()

%}

%option noyywrap
%option c++
%option yylineno

%%

"let"			{std::fprintf(stdout, "LET\n"); return LET;}
"Int"			{std::fprintf(stdout, "INT_TYPE\n"); return INT_TYPE;}
":"			{std::fprintf(stdout, ":\n"); return COLON;}
";"			{std::fprintf(stdout, ";\n"); return SEMICOLON;}
\+			{std::fprintf(stdout, "+\n"); return '+';}
\*			{std::fprintf(stdout, "*\n"); return '*';}
\(			{std::fprintf(stdout, "(\n"); return '(';}
\)			{std::fprintf(stdout, ")\n"); return ')';}
\/			{std::fprintf(stdout, "/\n"); return '/';}
\-			{std::fprintf(stdout, "-\n"); return '-';}
\=			{std::fprintf(stdout, "=\n"); return '=';}

[0-9]+			{
				std::fprintf(stdout, "liczba: %s\n", yytext);
				yylval.ival = atoi(yytext);
				return INT_LIT;
			}

[A-Za-z_][A-Za-z0-9_]*	{
				std::fprintf(stdout, "identyfikator: %s\n", yytext);
				yylval.text = strdup(yytext);
				return ID;
			}

[ \t]+			{/* ignoruj białe znaki */}
\n			{/* nowa linia */}
.			{
				std::fprintf(stderr, "Blad leksykalny w linii %d\n", lineno());
				exit(1);
			}

%%