or.java

用java实现的编译器. 包括语法分析

package inter;
import lexer.*;
import symbols.*;
public class Or extends Logical {
	public Or(Token tok, Expr x1, Expr x2) {
		super(tok, x1, x2);
	}
	public void jumping(int t, int f) {
		int label = t != 0 ? t : newlabel();
		expr1.jumping(label, 0);
		expr2.jumping(t, f);
		if( t == 0) emitlabel(label);
	}
}