/// <exception cref="System.IO.IOException"/>
public StructClass(DataInputFullStream @in, bool own, LazyLoader loader)
{
/*
* class_file {
* u4 magic;
* u2 minor_version;
* u2 major_version;
* u2 constant_pool_count;
* cp_info constant_pool[constant_pool_count-1];
* u2 access_flags;
* u2 this_class;
* u2 super_class;
* u2 interfaces_count;
* u2 interfaces[interfaces_count];
* u2 fields_count;
* field_info fields[fields_count];
* u2 methods_count;
* method_info methods[methods_count];
* u2 attributes_count;
* attribute_info attributes[attributes_count];
* }
*/
this.own = own;
this.loader = loader;
@in.Discard(4);
minorVersion = @in.ReadUnsignedShort();
majorVersion = @in.ReadUnsignedShort();
pool = new ConstantPool(@in);
accessFlags = @in.ReadUnsignedShort();
int thisClassIdx = @in.ReadUnsignedShort();
int superClassIdx = @in.ReadUnsignedShort();
qualifiedName = pool.GetPrimitiveConstant(thisClassIdx).GetString();
superClass = pool.GetPrimitiveConstant(superClassIdx);
// interfaces
int length = @in.ReadUnsignedShort();
interfaces = new int[length];
interfaceNames = new string[length];
for (int i = 0; i < length; i++)
{
interfaces[i] = @in.ReadUnsignedShort();
interfaceNames[i] = pool.GetPrimitiveConstant(interfaces[i]).GetString();
}
// fields
length = @in.ReadUnsignedShort();
fields = new VBStyleCollection <StructField, string>(length);
for (int i = 0; i < length; i++)
{
StructField field = new StructField(@in, this);
fields.AddWithKey(field, InterpreterUtil.MakeUniqueKey(field.GetName(), field.GetDescriptor
()));
}
// methods
length = @in.ReadUnsignedShort();
methods = new VBStyleCollection <StructMethod, string>(length);
for (int i = 0; i < length; i++)
{
StructMethod method = new StructMethod(@in, this);
methods.AddWithKey(method, InterpreterUtil.MakeUniqueKey(method.GetName(), method
.GetDescriptor()));
}
// attributes
attributes = ReadAttributes(@in, pool);
ReleaseResources();
}
/// <exception cref="IOException"/>
public static Exprent ParseAnnotationElement(DataInputStream data, ConstantPool pool
)
{
int tag = data.ReadUnsignedByte();
switch (tag)
{
case 'e':
{
// enum constant
string className = pool.GetPrimitiveConstant(data.ReadUnsignedShort()).GetString(
);
string constName = pool.GetPrimitiveConstant(data.ReadUnsignedShort()).GetString(
);
FieldDescriptor descr = FieldDescriptor.ParseDescriptor(className);
return(new FieldExprent(constName, descr.type.value, true, null, descr, null));
}
case 'c':
{
// class
string descriptor = pool.GetPrimitiveConstant(data.ReadUnsignedShort()).GetString
();
VarType type = FieldDescriptor.ParseDescriptor(descriptor).type;
string value;
switch (type.type)
{
case ICodeConstants.Type_Object:
{
value = type.value;
break;
}
case ICodeConstants.Type_Byte:
{
value = typeof(byte).FullName;
break;
}
case ICodeConstants.Type_Char:
{
value = typeof(char).FullName;
break;
}
case ICodeConstants.Type_Double:
{
value = typeof(double).FullName;
break;
}
case ICodeConstants.Type_Float:
{
value = typeof(float).FullName;
break;
}
case ICodeConstants.Type_Int:
{
value = typeof(int).FullName;
break;
}
case ICodeConstants.Type_Long:
{
value = typeof(long).FullName;
break;
}
case ICodeConstants.Type_Short:
{
value = typeof(short).FullName;
break;
}
case ICodeConstants.Type_Boolean:
{
value = typeof(bool).FullName;
break;
}
case ICodeConstants.Type_Void:
{
value = typeof(void).FullName;
break;
}
default:
{
throw new Exception("invalid class type: " + type.type);
}
}
return(new ConstExprent(VarType.Vartype_Class, value, null));
}
case '[':
{
// array
List <Exprent> elements = new System.Collections.Generic.List <Exprent>();
int len = data.ReadUnsignedShort();
if (len > 0)
{
elements = new List <Exprent>(len);
for (int i = 0; i < len; i++)
{
elements.Add(ParseAnnotationElement(data, pool));
}
}
VarType newType;
if ((elements.Count == 0))
{
newType = new VarType(ICodeConstants.Type_Object, 1, "java/lang/Object");
}
else
{
VarType elementType = elements[0].GetExprType();
newType = new VarType(elementType.type, 1, elementType.value);
}
NewExprent newExpr = new NewExprent(newType, new System.Collections.Generic.List <
Exprent>(), null);
newExpr.SetDirectArrayInit(true);
newExpr.SetLstArrayElements(elements);
return(newExpr);
}
case '@':
{
// annotation
return(ParseAnnotation(data, pool));
}
default:
{
PrimitiveConstant cn = pool.GetPrimitiveConstant(data.ReadUnsignedShort());
switch (tag)
{
case 'B':
{
return(new ConstExprent(VarType.Vartype_Byte, cn.value, null));
}
case 'C':
{
return(new ConstExprent(VarType.Vartype_Char, cn.value, null));
}
case 'D':
{
return(new ConstExprent(VarType.Vartype_Double, cn.value, null));
}
case 'F':
{
return(new ConstExprent(VarType.Vartype_Float, cn.value, null));
}
case 'I':
{
return(new ConstExprent(VarType.Vartype_Int, cn.value, null));
}
case 'J':
{
return(new ConstExprent(VarType.Vartype_Long, cn.value, null));
}
case 'S':
{
return(new ConstExprent(VarType.Vartype_Short, cn.value, null));
}
case 'Z':
{
return(new ConstExprent(VarType.Vartype_Boolean, cn.value, null));
}
case 's':
{
return(new ConstExprent(VarType.Vartype_String, cn.value, null));
}
default:
{
throw new Exception("invalid element type!");
}
}
break;
}
}
}
