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%option noinput nounput noyywrap
DIGIT [0-9]
INTEGER {DIGIT}+
FLOAT {INTEGER}"."{INTEGER}|"."{INTEGER}
LETTER [a-zA-Z]
%x COMMENT
%{
#include "minako.h"
#include <stdlib.h>
#include <stdio.h>
int fileno(FILE *stream);
%}
%%
"/*" { BEGIN(COMMENT); }
<COMMENT>"*/" { BEGIN(INITIAL); }
<COMMENT>.|\n
"//".* {/*return 3000;*/}
"bool" {return KW_BOOLEAN;}
"do" {return KW_DO;}
"else" {return KW_ELSE;}
"float" {return KW_FLOAT;}
"for" {return KW_FOR;}
"if" {return KW_IF;}
"int" {return KW_INT;}
"printf" {return KW_PRINTF;}
"return" {return KW_RETURN;}
"void" {return KW_VOID;}
"while" {return KW_WHILE;}
"+" {return '+';}
"-" {return '-';}
"*" {return '*';}
"/" {return '/';}
"=" {return '=';}
"==" {return EQ;}
"!=" {return NEQ;}
"<" {return LSS;}
">" {return GRT;}
"<=" {return LEQ;}
">=" {return GEQ;}
"&&" {return AND;}
"||" {return OR;}
"," {return ',';}
";" {return ';';}
[(] {return '(';}
[)] {return ')';}
[{] {return '{';}
[}] {return '}';}
{INTEGER} {
yylval.intValue = atoi(yytext); return CONST_INT;
}
{FLOAT}([eE]([+-])?{INTEGER})?|{INTEGER}[eE]([+-])?{INTEGER} {
yylval.floatValue = atof(yytext);
return CONST_FLOAT;
}
"true"|"false" {
yylval.intValue = (strcmp(yytext, "true") == 0) ? 1 : 0;return CONST_BOOLEAN;
}
"\""[^\n\"]*"\"" {
if (yyleng == 2) {
yylval.string = NULL;
} else {
yylval.string = yytext;
for (int j = 1; j <= yyleng-2; ++j)
yylval.string[j-1] = yylval.string[j];
yylval.string[yyleng-2] = '\0';
}
return CONST_STRING;
}
({LETTER})+({DIGIT}|{LETTER})* {yylval.string = yytext; return ID;}
[ \t]+ {/*return 1000;*/}
[\n] {yylineno++; /*return 600;*/}
<<EOF>> {return EOF;}
. {fprintf(stderr, "ERROR: invalid character\n");}
%%