op.java

来自「用java实现的编译器. 包括语法分析」· Java 代码 · 共 13 行

package inter;
import lexer.*;
import symbols.*;
public class Op extends Expr {
	public Op(Token tok, Type p) { super(tok, p);}
	public Expr reduce() {
		Expr x = gen();
		Temp t = new Temp(type);
		emit(t.toString() + " = " + x.toString()); 
		return t;
	}
}