// import sekcija

%%

// sekcija opcija i deklaracija
%class MPLexer
%implements java_cup.runtime.Scanner
%function next_token
%line
%column
%debug
%type java_cup.runtime.Symbol

%cup
%eofval{
return new java_cup.runtime.Symbol( sym.EOF, null, yyline, yycolumn);
%eofval}

%{
//dodatni clanovi generisane klase
KWTable kwTable = new KWTable();
java_cup.runtime.Symbol getKW()
{
	return new java_cup.runtime.Symbol( kwTable.find( yytext() ),
	yytext(), yyline, yycolumn );
}
%}

//stanja
%xstate KOMENTAR
//makroi
slovo = [a-zA-Z]
cifra = [0-9]
oc16 = [0-9A-F]
%%

// pravila
"//" { yybegin( KOMENTAR ); }
<KOMENTAR>~[\n\r] { yybegin( YYINITIAL ); }

[\t\n\r ] { ; }
\( { return new java_cup.runtime.Symbol( sym.LEFTPAR, yytext(), yyline, yycolumn ); }
\) { return new java_cup.runtime.Symbol( sym.RIGHTPAR, yytext(), yyline, yycolumn ); }

\{ { return new java_cup.runtime.Symbol( sym.LCURLY, yytext(), yyline, yycolumn ); }
\} { return new java_cup.runtime.Symbol( sym.RCURLY, yytext(), yyline, yycolumn ); }

// operatori
&& { return new java_cup.runtime.Symbol( sym.AND,yytext(), yyline, yycolumn ); }
\|\| { return new java_cup.runtime.Symbol( sym.OR,yytext(), yyline, yycolumn ); }
\+ { return new java_cup.runtime.Symbol( sym.PLUS,yytext(), yyline, yycolumn ); }
\* { return new java_cup.runtime.Symbol( sym.MUL,yytext(), yyline, yycolumn ); }
\- { return new java_cup.runtime.Symbol( sym.MIN,yytext(), yyline, yycolumn ); }
\/  { return new java_cup.runtime.Symbol( sym.DIV,yytext(), yyline, yycolumn ); }
\< { return new java_cup.runtime.Symbol( sym.LESS,yytext(), yyline, yycolumn ); }
\<= { return new java_cup.runtime.Symbol( sym.LESSE,yytext(), yyline, yycolumn ); }
\> { return new java_cup.runtime.Symbol( sym.GREAT,yytext(), yyline, yycolumn ); }
\>= { return new java_cup.runtime.Symbol( sym.GREATE,yytext(), yyline, yycolumn ); }
== { return new java_cup.runtime.Symbol( sym.EQ,yytext(), yyline, yycolumn ); }
\!= { return new java_cup.runtime.Symbol( sym.NEQ,yytext(), yyline, yycolumn ); }
// separatori
; { return new java_cup.runtime.Symbol( sym.DOTCOMMA, yytext(), yyline, yycolumn ); }
, { return new java_cup.runtime.Symbol( sym.COMMA, yytext(), yyline, yycolumn ); }
= { return new java_cup.runtime.Symbol( sym.ASSIGN, yytext(), yyline, yycolumn ); }


//kljucne reci
{slovo}+ { return getKW(); }

//"main"	{ return new java_cup.runtime.Symbol( sym.MAIN, yytext(), yyline, yycolumn );}
//"char"  { return new java_cup.runtime.Symbol( sym.CHAR, yytext(), yyline, yycolumn );}
// "int"	{ return new java_cup.runtime.Symbol( sym.INT, yytext(), yyline, yycolumn );	}
// "real"  { return new java_cup.runtime.Symbol( sym.REAL, yytext(), yyline, yycolumn );}
// "bool"  { return new java_cup.runtime.Symbol( sym.BOOL, yytext(), yyline, yycolumn );}
// "read"  { return new java_cup.runtime.Symbol( sym.READ, yytext(), yyline, yycolumn );}
// "write" { return new java_cup.runtime.Symbol( sym.WRITE, yytext(), yyline, yycolumn );}
// "while" { return new java_cup.runtime.Symbol( sym.WHILE, yytext(), yyline, yycolumn );}

//konstante
{cifra}+ { return new java_cup.runtime.Symbol( sym.CONST, yytext(), yyline, yycolumn ); }
//real
0+\.{cifra}+(E[+-]{cifra}*)? { return new java_cup.runtime.Symbol( sym.CONST,yytext(), yyline, yycolumn ); }
//int
\${oc16}+ { return new java_cup.runtime.Symbol( sym.CONST, yytext(), yyline, yycolumn); }
{cifra}+ { return new java_cup.runtime.Symbol( sym.CONST, yytext(), yyline, yycolumn); }
//bool
"true"|"false" { return new java_cup.runtime.Symbol(sym.CONST, yytext(), yyline, yycolumn); }

//ID (prvo slovo ili _ a zatim proizvoljan broj slova i cifara)
({slovo} | "_")+ ({slovo}|{cifra}|"_")* { return new java_cup.runtime.Symbol(sym.ID, yytext(),yyline, yycolumn ); }
//char
'[^]' { return new java_cup.runtime.Symbol( sym.CONST,yytext(), yyline, yycolumn ); }
//obrada gresaka
. { if (yytext() != null && yytext().length() > 0) System.out.println( "ERROR: " + yytext() ); }