temp.java

来自「A compiler for a subset of the Java lang」· Java 代码 · 共 34 行

package inter;
import lexer.*; import symbols.*;

public class Temp extends Expr {

   static int count = 0;
   int number = 0;
   
   public Temp(Type p) {
	   super(Word.temp, p);
	   number = ++count;
	   lvaIdx = LocalVarArray.curlength;
	   LocalVarArray.curlength += type.width;
	      
   }

   public String toString() {
	   String s = "";
	   if(type == Type.Int)
	   {
		   return "iload " + lvaIdx + "\n";
	   }
	   else if(type == Type.Float)
	   {
		   return "fload " + lvaIdx + "\n";   
	   }
	   else if(type == Type.Complex)
	   {
		   return "fload " + lvaIdx + "\n" + "fload " + (lvaIdx + 4) + "\n";		   
	   }
	   return null;
   }
}