public static final int expr() throws ParseException {
Token t;
int t1, t2;
Operation op = null;
// <expr> ::= <term> {(+|-) <term>}
t1 = term();
label_2:
while (true) {
switch ((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
case PLUS:
case MINUS:;
break;
default:
jj_la1[1] = jj_gen;
break label_2;
}
switch ((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
case PLUS:
t = jj_consume_token(PLUS);
System.out.printf(
"@(%d,%d)\u005ctPLUS\u005ct-\u005ct%s\u005cn", t.beginLine, t.beginColumn, t);
op = new Sum();
break;
case MINUS:
t = jj_consume_token(MINUS);
System.out.printf(
"@(%d,%d)\u005ctMINUS\u005ct-\u005ct%s\u005cn", t.beginLine, t.beginColumn, t);
op = new Sub();
break;
default:
jj_la1[2] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
t2 = term();
t1 = op.calculate(t1, t2);
// System.out.println("<TERM>" + t.beginLine + " " + t.beginColumn);
}
{
if (true) return t1;
}
throw new Error("Missing return statement in function");
}
public static final int term() throws ParseException {
Token t;
int f1, f2;
Operation op = null;
// <term> ::= <factor> {(*|/) <factor>}
f1 = factor();
label_3:
while (true) {
switch ((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
case MUL:
case DIV:;
break;
default:
jj_la1[3] = jj_gen;
break label_3;
}
switch ((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
case MUL:
t = jj_consume_token(MUL);
op = new Mul();
System.out.printf(
"@(%d,%d)\u005ctMUL\u005ct-\u005ct%s\u005cn", t.beginLine, t.beginColumn, t);
break;
case DIV:
t = jj_consume_token(DIV);
op = new Div();
System.out.printf(
"@(%d,%d)\u005ctDIV\u005ct-\u005ct%s\u005cn", t.beginLine, t.beginColumn, t);
break;
default:
jj_la1[4] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
f2 = factor();
f1 = op.calculate(f1, f2);
}
{
if (true) return f1;
}
throw new Error("Missing return statement in function");
}
