ltrchar.java

用Java实现的编译器。把源代码编译成SPARC汇编程序

/**
*This class is used for character literals. 
*This class extends the Literal abstract class
**/
package CatDecaf.IR;
import CatDecaf.Utilities.*;
import parser.*;
import CatDecaf.Utilities.Debugger.*;
import java.lang.*;
import java6035.tools.ASM.*;
public class LtrChar extends Literal{
    public char ltrChar_;
    public int type;    
    public int ltrCharInt_;
    public SPARCRegister reg;
    
    public LtrChar(Character ch){
    		type = sym.INT;
		ltrChar_ = ch.charValue();
		ltrCharInt_=Character.digit(ltrChar_, 10);
		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);
    }
}