ltrbooltrue.java

来自「用Java实现的编译器。把源代码编译成SPARC汇编程序」· Java 代码 · 共 37 行

/**
*This class is used for boolean literals true value. 
*This class extends the Literal abstract class
**/
package CatDecaf.IR;
import CatDecaf.Utilities.*;
import parser.*;
import CatDecaf.Utilities.Debugger.*;
import java6035.tools.ASM.*;
public class LtrBoolTrue extends Literal{
    public boolean ltrBoolTrue_;
    public int type;    
    public SPARCRegister reg;
    public LtrBoolTrue(){
    		type = sym.BOOLEAN;    	
		ltrBoolTrue_ = true;
		reg = null;
	}
	public int getType(){return type;}	
	public boolean noError(){return !(type==sym.ERROR_TYPE);}
	public SPARCRegister getReg(){
		return reg;
	}

	public void setReg(SPARCRegister r){
		reg=r;
		reg.status = 1;
	}
	public void releaseReg(){
		reg.status = 0;
		reg= null;
	}	
    public void accept(Visitor v){
		v.visit(this);
    }
}