import java.util.*;
import org.objectweb.asm.*;
public class Klass implements Scope{
public Klass superKlass;
private String name;
private Map symTable = new HashMap();
private org.objectweb.asm.commons.Method asmConstructor;
/**
* Constructs a new Klass with the given name
* @param name The name of the class that you are representing
*/
public Klass(String name){
this.name = name;
}
public Klass getSuperKlass(){
return this.superKlass;
}
@Override public String getScopeName(){
return name;
}
/** This is the highest level of scope, so return null. */
@Override public Scope getEnclosingScope(){return null;}
/** Define a symbol in the current scope */
@Override public void define(Symbol sym){
symTable.put(sym.getName(), sym);
}
@Override public void initialize(Symbol sym){
assert false;
}
public boolean isInstanceOf(Klass other){
if(this.superKlass==null&&other!=this){
return false;
}else if(other==this){
return true;
}else{
return this.superKlass.isInstanceOf(other);
}
}
/** Look up name in this scope or in enclosing scope if not here */
@Override public Symbol lookup(String name){
//assert !(fields.contains(name) && methods.contains(name));
Symbol symbol = null;
for(Klass klass = this; symbol==null&&klass!=null; klass=klass.getSuperKlass()){
symbol = klass.symTable.get(name);
}
return symbol;
}
@Override public Symbol lookupLocally(String name){
return symTable.get(name);
}
@Override public boolean hasBeenInitialized(String name){
return this.lookup(name)!=null;
}
@Override public Set getInitializedVariables(){
assert false;
return null;
}
//@Override public void uninitializeSymbols(){
// assert false;
//}
//@Override public void addIfElseInitialization(Set symbols){
// assert false;
//}
//
//@Override public void clearIfElseInitialization(){
// assert false;
//}
public String toString(){
return name;
}
//public void setAsmConstructor(org.objectweb.asm.commons.Method asmConstructor){
// this.asmConstructor = asmConstructor;
//}
//public org.objectweb.asm.commons.Method getAsmConstructor(){
// return asmConstructor;
//}
public Type asAsmType(){
/** Returns an asm.Type representation for this klass. */
if(this.name.equals("int")){
return Type.INT_TYPE;
}else if(this.name.equals("boolean")){
return Type.BOOLEAN_TYPE;
}else if(this.name.equals("int[]")){
return Type.getType(int[].class);
}else{
//System.out.println("this.name = " + this.name);
return Type.getType("L" + this.name + ";");
}
}
}