frame.java

来自「编译原理大作业---tiger编译器 包括semant,translate,m」· Java 代码 · 共 26 行

package Frame;
import Temp.*;
import java.util.Hashtable;

public abstract class Frame {
   abstract public Frame newFrame(Label name, Util.BoolList formals);
   public Label name;
   public AccessList formals;
   public Hashtable funz_ext;

   // frame pointer (registro che punta al frame pointer)
   abstract public Temp FP();

   // return value  (registro per il valore restituito)
   abstract public Temp RV();

   abstract public int wordSize();
   abstract public Tree.Stm procEntryExit1(Tree.Stm body);
   abstract public String string(Label label , String value);
   abstract public Tree.Exp externalCall(String func, Tree.ExpList args);
   abstract public Access allocLocal(boolean escape);

   // per la gestione delle funzioni di libreria
   abstract public void put_lib_f(String stringa,Label label);
}