public static int GetClassObjectAddr(string name)
{
for (int i = 0; i < name.Length; i++)
{
if (name[i] != '[')
{
if (name[i] == 'L')
{
name = name.Substring(0, i) + name.Substring(i + 1, name.Length - i - 2);
}
break;
}
}
if (name.Length == 1)
{
name = JavaHelper.PrimitiveFullName(name);
}
else
{
name = name.Replace('/', '.');
}
int addr = 0;
if (!classObjects.TryGetValue(name, out addr))
{
HeapObject classObj = new HeapObject(ClassFileManager.GetClassFile("java/lang/Class"));
addr = Heap.AddItem(classObj);
classObjects.Add(name, addr);
classObj.SetField("name", "Ljava/lang/String;", new FieldReferenceValue(JavaHelper.CreateJavaStringLiteral(name)));
}
return(addr);
}
public static string ReadJavaString(HeapObject stringObj)
{
FieldReferenceValue charArrayReference = (FieldReferenceValue)stringObj.GetField("value", "[C");
HeapArray charArray = (HeapArray)Heap.GetItem(charArrayReference.Address);
return(new string((char[])charArray.Array));
}
public static int CreateJavaStringLiteral(string @string)
{
HeapArray charArray = new HeapArray(@string.ToCharArray(), ClassObjectManager.GetClassObjectAddr("char"));
int charArrAddr = Heap.AddItem(charArray);
HeapObject stringObj = new HeapObject(ClassFileManager.GetClassFile("java/lang/String"));
stringObj.SetField("value", "[C", new FieldReferenceValue(charArrAddr));
int stringObjAddr = Heap.AddItem(stringObj);
return(StringPool.Intern(stringObjAddr));
}
public static void PrintObject(HeapObject obj)
{
Console.WriteLine();
string className = obj.ClassFile.Name;
Console.ForegroundColor = classNameColor;
Console.Write(className);
Console.ForegroundColor = separatorColor;
Console.Write('/');
Console.ForegroundColor = objAddrColor;
Console.WriteLine(obj.Address);
foreach (FieldInfo field in obj.ClassFile.InstanceFields())
{
Console.ForegroundColor = fieldNameColor;
Console.Write(field.Name);
Console.ForegroundColor = separatorColor;
Console.Write('/');
WriteFieldValue(field, obj.GetField(field.Name, field.Descriptor));
Console.WriteLine();
}
}
static void Main(string[] args)
{
Stopwatch.Start();
Console.WindowWidth = 180;
//%JAVA_HOME%\bin\javap" - s -p -c -verbose Scanner.class > ..\..\..\Scanner.javap
ClassFileManager.InitDictionary(@"..\..\..\..\rt\",
BaseDirectory + @"build\classes\java\main\");
//Create main thread object
ClassFile threadGroupCFile = ClassFileManager.GetClassFile("java/lang/ThreadGroup");
HeapObject threadGroupObj = new HeapObject(threadGroupCFile);
int threadGroupAddr = Heap.AddItem(threadGroupObj);
ClassFile threadCFile = ClassFileManager.GetClassFile("java/lang/Thread");
HeapObject threadObj = new HeapObject(threadCFile);
ThreadManager.ThreadAddr = Heap.AddItem(threadObj);
threadObj.SetField("group", "Ljava/lang/ThreadGroup;", threadGroupAddr);
threadObj.SetField("priority", "I", 5);
ClassFile systemCFile = ClassFileManager.GetClassFile("java/lang/System");
MethodInfo initSystemClassMethod = systemCFile.MethodDictionary[("initializeSystemClass", "()V")];