void DecomposeTupleParameter(IodineTuple tuple, IodineTupleParameter param)
{
int index = 0;
foreach (IodineParameter subparam in param.ElementNames)
{
var namedParam = subparam as IodineNamedParameter;
if (namedParam != null)
{
Top.StoreLocalExplicit(namedParam.Name, tuple.Objects [index]);
}
var tupleParam = subparam as IodineTupleParameter;
if (tupleParam != null)
{
var tupleObj = tuple.Objects [index] as IodineTuple;
DecomposeTupleParameter(tupleObj, tupleParam);
}
index++;
}
}
private void SetParameters(IodineTuple tuple)
{
for (int i = 0; i < tuple.Objects.Length; i++)
{
Parameters.Add(tuple.Objects [i].ToString());
}
}
public IodineMethod(
IodineModule module,
IodineString name,
CodeObject bytecode,
IodineTuple parameters,
MethodFlags flags,
IodineObject[] defaultValues,
int defaultStart = 0
)
: base(MethodTypeDef)
{
Module = module;
Bytecode = bytecode;
ParameterCount = Parameters.Count;
Variadic = (flags & MethodFlags.AcceptsVarArgs) != 0;
AcceptsKeywordArgs = (flags & MethodFlags.AcceptsKwargs) != 0;
HasDefaultValues = (flags & MethodFlags.HasDefaultParameters) != 0;
DefaultValuesStartIndex = defaultStart;
DefaultValues = defaultValues;
SetParameters(Parameters, parameters);
Name = name.ToString();
SetAttribute("__doc__", IodineString.Empty);
SetAttribute("__invoke__", new BuiltinMethodCallback(invoke, this));
if (AcceptsKeywordArgs)
{
var lastParameter = Parameters.Last() as IodineNamedParameter;
KwargsParameter = lastParameter.Name;
if (Variadic)
{
var secondToLastParameter = Parameters [Parameters.Count - 2] as
IodineNamedParameter;
VarargsParameter = secondToLastParameter.Name;
}
}
else if (Variadic)
{
var lastParameter = Parameters.Last() as IodineNamedParameter;
VarargsParameter = lastParameter.Name;
}
}
public override bool Equals(IodineObject obj)
{
IodineTuple tupleVal = obj as IodineTuple;
Console.WriteLine(Objects.Length);
if (tupleVal != null && tupleVal.Objects.Length == Objects.Length)
{
for (int i = 0; i < Objects.Length; i++)
{
if (!Objects [i].Equals(tupleVal.Objects [i]))
{
return(false);
}
}
return(true);
}
return(false);
}
public override IodineObject Invoke(VirtualMachine vm, IodineObject[] args)
{
if (args.Length >= 1)
{
var inputList = args [0] as IodineList;
var ret = new IodineDictionary();
if (inputList != null)
{
foreach (IodineObject item in inputList.Objects)
{
IodineTuple kv = item as IodineTuple;
if (kv != null)
{
ret.Set(kv.Objects [0], kv.Objects [1]);
}
}
}
return(ret);
}
return(new IodineDictionary());
}
void SetParameters(List <IodineParameter> paramList, IodineTuple tuple)
{
foreach (IodineObject obj in tuple.Objects)
{
var strObj = obj as IodineName;
if (strObj != null)
{
paramList.Add(new IodineNamedParameter(strObj.Value));
continue;
}
var tupleObj = obj as IodineTuple;
if (tupleObj != null)
{
var deconstructionList = new List <IodineParameter> ();
SetParameters(deconstructionList, tupleObj);
paramList.Add(new IodineTupleParameter(deconstructionList));
}
}
}
private IodineObject pack(VirtualMachine vm, IodineObject self, IodineObject[] args)
{
if (args.Length < 2)
{
vm.RaiseException(new IodineArgumentException(2));
return(null);
}
IodineString format = args [0] as IodineString;
IodineTuple tuple = args [1] as IodineTuple;
if (format == null)
{
vm.RaiseException(new IodineTypeException("Str"));
return(null);
}
if (tuple == null)
{
vm.RaiseException(new IodineTypeException("Tuple"));
return(null);
}
int nextObj = 0;
using (MemoryStream ms = new MemoryStream())
using (BinaryWriter bw = new BinaryWriter(ms)) {
int i = 0;
while (i < format.Value.Length)
{
int arg = 1;
if (i < format.Value.Length && char.IsDigit(format.Value [i]))
{
StringBuilder accum = new StringBuilder();
do
{
accum.Append(format.Value [i++]);
} while (i < format.Value.Length && char.IsDigit(format.Value [i]));
arg = Int32.Parse(accum.ToString());
}
if (i < format.Value.Length)
{
char specifier = format.Value [i++];
if (specifier == 'x')
{
for (int j = 0; j < arg; j++)
{
bw.Write((byte)0);
}
}
else
{
if (nextObj > tuple.Objects.Length)
{
vm.RaiseException(new IodineException("Invalid format"));
return(null);
}
IodineObject obj = tuple.Objects [nextObj++];
if (!packObj(vm, bw, specifier, arg, obj))
{
vm.RaiseException(new IodineException("Invalid format"));
return(null);
}
}
}
}
return(new IodineBytes(ms.ToArray()));
}
}
private IodineObject require(VirtualMachine vm, IodineObject self, IodineObject[] args)
{
if (args.Length < 1)
{
vm.RaiseException(new IodineArgumentException(1));
return(null);
}
IodineString path = args [0] as IodineString;
if (path == null)
{
vm.RaiseException(new IodineTypeException("Str"));
return(null);
}
string name = path.Value;
string fullPath = Path.GetFullPath(name);
if (args.Length == 1)
{
if (VirtualMachine.ModuleCache.ContainsKey(fullPath))
{
IodineModule module = VirtualMachine.ModuleCache [fullPath];
vm.Top.Module.SetAttribute(vm, Path.GetFileNameWithoutExtension(fullPath),
module);
}
else
{
IodineModule module = vm.LoadModule(name);
vm.Top.Module.SetAttribute(vm, Path.GetFileNameWithoutExtension(
fullPath), module);
VirtualMachine.ModuleCache [fullPath] = module;
module.Initializer.Invoke(vm, new IodineObject[] { });
}
}
else
{
IodineTuple names = args [1] as IodineTuple;
if (names == null)
{
vm.RaiseException(new IodineTypeCastException("Tuple"));
return(null);
}
IodineModule module = null;
if (VirtualMachine.ModuleCache.ContainsKey(fullPath))
{
module = VirtualMachine.ModuleCache [fullPath];
}
else
{
module = vm.LoadModule(name);
VirtualMachine.ModuleCache [fullPath] = module;
module.Initializer.Invoke(vm, new IodineObject[] { });
}
vm.Top.Module.SetAttribute(vm, Path.GetFileNameWithoutExtension(fullPath),
module);
if (names.Objects.Length > 0)
{
foreach (IodineObject item in names.Objects)
{
vm.Top.Module.SetAttribute(vm, item.ToString(),
module.GetAttribute(item.ToString()));
}
}
else
{
foreach (KeyValuePair <string, IodineObject> kv in module.Attributes)
{
vm.Top.Module.SetAttribute(vm, kv.Key, kv.Value);
}
}
}
return(null);
}
private void EvalInstruction()
{
if (instruction.Location != null)
{
currentLocation = instruction.Location;
}
switch (instruction.OperationCode)
{
case Opcode.Pop:
{
Pop();
break;
}
case Opcode.Dup:
{
IodineObject val = Pop();
Push(val);
Push(val);
break;
}
case Opcode.LoadConst:
{
Push(Top.Module.ConstantPool [instruction.Argument]);
break;
}
case Opcode.LoadNull:
{
Push(IodineNull.Instance);
break;
}
case Opcode.LoadSelf:
{
Push(Top.Self);
break;
}
case Opcode.LoadTrue:
{
Push(IodineBool.True);
break;
}
case Opcode.LoadException:
{
Push(lastException);
break;
}
case Opcode.LoadFalse:
{
Push(IodineBool.False);
break;
}
case Opcode.StoreLocal:
{
string name = ((IodineName)Top.Module.ConstantPool [instruction.Argument]).Value;
Top.StoreLocal(name, Pop());
break;
}
case Opcode.LoadLocal:
{
string name = ((IodineName)Top.Module.ConstantPool [instruction.Argument]).Value;
Push(Top.LoadLocal(name));
break;
}
case Opcode.StoreGlobal:
{
string name = ((IodineName)Top.Module.ConstantPool [instruction.Argument]).Value;
Top.Module.SetAttribute(this, name, Pop());
break;
}
case Opcode.LoadGlobal:
{
string name = ((IodineName)Top.Module.ConstantPool [instruction.Argument]).Value;
if (name == "_")
{
Push(Top.Module);
}
else if (Top.Module.Attributes.ContainsKey(name))
{
Push(Top.Module.GetAttribute(this, name));
}
else
{
RaiseException(new IodineAttributeNotFoundException(name));
}
break;
}
case Opcode.StoreAttribute:
{
IodineObject target = Pop();
IodineObject value = Pop();
string attribute = ((IodineName)Top.Module.ConstantPool [instruction.Argument]).Value;
if (target.Attributes.ContainsKey(attribute) &&
target.Attributes [attribute] is IIodineProperty)
{
IIodineProperty property = (IIodineProperty)target.Attributes [attribute];
property.Set(this, value);
break;
}
target.SetAttribute(this, attribute, value);
break;
}
case Opcode.LoadAttribute:
{
IodineObject target = Pop();
string attribute = ((IodineName)Top.Module.ConstantPool [instruction.Argument]).Value;
if (target.Attributes.ContainsKey(attribute) &&
target.Attributes [attribute] is IIodineProperty)
{
IIodineProperty property = (IIodineProperty)target.Attributes [attribute];
Push(property.Get(this));
break;
}
Push(target.GetAttribute(this, attribute));
break;
}
case Opcode.LoadAttributeOrNull:
{
IodineObject target = Pop();
string attribute = ((IodineName)Top.Module.ConstantPool [instruction.Argument]).Value;
if (target.Attributes.ContainsKey(attribute))
{
Push(target.GetAttribute(this, attribute));
}
else
{
Push(IodineNull.Instance);
}
break;
}
case Opcode.StoreIndex:
{
IodineObject index = Pop();
IodineObject target = Pop();
IodineObject value = Pop();
target.SetIndex(this, index, value);
break;
}
case Opcode.LoadIndex:
{
IodineObject index = Pop();
IodineObject target = Pop();
Push(target.GetIndex(this, index));
break;
}
case Opcode.CastLocal:
{
IodineTypeDefinition type = Pop() as IodineTypeDefinition;
string name = ((IodineName)Top.Module.ConstantPool [instruction.Argument]).Value;
IodineObject o = Top.LoadLocal(name);
if (type == null)
{
RaiseException(new IodineTypeException("TypeDef"));
break;
}
if (o.InstanceOf(type))
{
Push(o);
}
else
{
RaiseException(new IodineTypeException(type.Name));
}
break;
}
case Opcode.BinOp:
{
IodineObject op2 = Pop();
IodineObject op1 = Pop();
Push(op1.PerformBinaryOperation(this,
(BinaryOperation)instruction.Argument,
op2
));
break;
}
case Opcode.UnaryOp:
{
Push(Pop().PerformUnaryOperation(this,
(UnaryOperation)instruction.Argument));
break;
}
case Opcode.Invoke:
{
IodineObject target = Pop();
IodineObject[] arguments = new IodineObject[instruction.Argument];
for (int i = 1; i <= instruction.Argument; i++)
{
arguments [instruction.Argument - i] = Pop();
}
Push(target.Invoke(this, arguments));
break;
}
case Opcode.InvokeVar:
{
IodineObject target = Pop();
List <IodineObject> arguments = new List <IodineObject> ();
IodineTuple tuple = Pop() as IodineTuple;
if (tuple == null)
{
RaiseException(new IodineTypeException("Tuple"));
break;
}
for (int i = 0; i < instruction.Argument; i++)
{
arguments.Add(Pop());
}
arguments.AddRange(tuple.Objects);
Push(target.Invoke(this, arguments.ToArray()));
break;
}
case Opcode.InvokeSuper:
{
IodineTypeDefinition target = Pop() as IodineTypeDefinition;
IodineObject[] arguments = new IodineObject[instruction.Argument];
for (int i = 1; i <= instruction.Argument; i++)
{
arguments [instruction.Argument - i] = Pop();
}
target.Inherit(this, Top.Self, arguments);
break;
}
case Opcode.Return:
{
Top.InstructionPointer = int.MaxValue;
break;
}
case Opcode.Yield:
{
Top.Yielded = true;
break;
}
case Opcode.JumpIfTrue:
{
if (Pop().IsTrue())
{
Top.InstructionPointer = instruction.Argument;
}
break;
}
case Opcode.JumpIfFalse:
{
if (!Pop().IsTrue())
{
Top.InstructionPointer = instruction.Argument;
}
break;
}
case Opcode.Jump:
{
Top.InstructionPointer = instruction.Argument;
break;
}
case Opcode.BuildClass:
{
IodineName name = Pop() as IodineName;
IodineString doc = Pop() as IodineString;
IodineMethod constructor = Pop() as IodineMethod;
//CodeObject initializer = Pop as CodeObject;
IodineTypeDefinition baseClass = Pop() as IodineTypeDefinition;
IodineTuple interfaces = Pop() as IodineTuple;
IodineClass clazz = new IodineClass(name.ToString(), new CodeObject(), constructor);
if (baseClass != null)
{
clazz.BaseClass = baseClass;
baseClass.BindAttributes(clazz);
}
for (int i = 0; i < instruction.Argument; i++)
{
IodineObject val = Pop();
IodineObject key = Pop();
clazz.Attributes [val.ToString()] = key;
}
foreach (IodineObject obj in interfaces.Objects)
{
IodineContract contract = obj as IodineContract;
if (!contract.InstanceOf(clazz))
{
//RaiseException (new IodineTypeException (contract.Name));
break;
}
}
clazz.SetAttribute("__doc__", doc);
Push(clazz);
break;
}
case Opcode.BuildMixin:
{
IodineName name = Pop() as IodineName;
IodineMixin mixin = new IodineMixin(name.ToString());
for (int i = 0; i < instruction.Argument; i++)
{
IodineObject val = Pop();
IodineObject key = Pop();
mixin.Attributes [val.ToString()] = key;
}
Push(mixin);
break;
}
case Opcode.BuildEnum:
{
IodineName name = Pop() as IodineName;
IodineEnum ienum = new IodineEnum(name.ToString());
for (int i = 0; i < instruction.Argument; i++)
{
IodineInteger val = Pop() as IodineInteger;
IodineName key = Pop() as IodineName;
ienum.AddItem(key.ToString(), (int)val.Value);
}
Push(ienum);
break;
}
case Opcode.BuildContract:
{
IodineName name = Pop() as IodineName;
IodineContract contract = new IodineContract(name.ToString());
for (int i = 0; i < instruction.Argument; i++)
{
IodineMethod val = Pop() as IodineMethod;
contract.AddMethod(val);
}
Push(contract);
break;
}
case Opcode.BuildTrait:
{
IodineName name = Pop() as IodineName;
IodineTrait trait = new IodineTrait(name.ToString());
for (int i = 0; i < instruction.Argument; i++)
{
IodineMethod val = Pop() as IodineMethod;
trait.AddMethod(val);
}
Push(trait);
break;
}
case Opcode.BuildHash:
{
IodineDictionary hash = new IodineDictionary();
for (int i = 0; i < instruction.Argument; i++)
{
IodineObject val = Pop();
IodineObject key = Pop();
hash.Set(key, val);
}
Push(hash);
break;
}
case Opcode.BuildList:
{
IodineObject[] items = new IodineObject[instruction.Argument];
for (int i = 1; i <= instruction.Argument; i++)
{
items [instruction.Argument - i] = Pop();
}
Push(new IodineList(items));
break;
}
case Opcode.BuildTuple:
{
IodineObject[] items = new IodineObject[instruction.Argument];
for (int i = 1; i <= instruction.Argument; i++)
{
items [instruction.Argument - i] = Pop();
}
Push(new IodineTuple(items));
break;
}
case Opcode.BuildClosure:
{
IodineObject obj = Pop();
IodineMethod method = obj as IodineMethod;
Push(new IodineClosure(Top, method));
break;
}
case Opcode.BuildGenExpr:
{
CodeObject method = Pop() as CodeObject;
Push(new IodineGeneratorExpr(Top, method));
break;
}
case Opcode.Slice:
{
IodineObject target = Pop();
IodineInteger[] arguments = new IodineInteger[3];
for (int i = 0; i < 3; i++)
{
IodineObject obj = Pop();
arguments [i] = obj as IodineInteger;
if (obj != IodineNull.Instance && arguments [i] == null)
{
RaiseException(new IodineTypeException("Int"));
break;
}
}
IodineSlice slice = new IodineSlice(arguments [0], arguments [1], arguments [2]);
Push(target.Slice(this, slice));
break;
}
case Opcode.MatchPattern:
{
IodineObject collection = Pop().GetIterator(this);
IodineObject[] items = new IodineObject[instruction.Argument];
for (int i = 1; i <= instruction.Argument; i++)
{
items [instruction.Argument - i] = Pop();
}
int index = 0;
collection.IterReset(this);
while (collection.IterMoveNext(this) && index < items.Length)
{
IodineObject o = collection.IterGetCurrent(this);
if (items [index] is IodineTypeDefinition)
{
if (!o.InstanceOf(items [index] as IodineTypeDefinition))
{
Push(IodineBool.False);
break;
}
}
else
{
if (!o.Equals(items [index]))
{
Push(IodineBool.False);
break;
}
}
index++;
}
Push(IodineBool.Create(index == items.Length));
break;
}
case Opcode.Unwrap:
{
IodineObject container = Pop();
IodineObject value = container.Unwrap(this);
if (instruction.Argument > 0)
{
IodineInteger len = value.Len(this) as IodineInteger;
if (len == null || len.Value != instruction.Argument)
{
Push(IodineBool.False);
break;
}
}
Push(value);
Push(IodineBool.True);
break;
}
case Opcode.Unpack:
{
IodineTuple tuple = Pop() as IodineTuple;
if (tuple == null)
{
RaiseException(new IodineTypeException("Tuple"));
break;
}
if (tuple.Objects.Length != instruction.Argument)
{
RaiseException(new IodineUnpackException(instruction.Argument));
break;
}
for (int i = tuple.Objects.Length - 1; i >= 0; i--)
{
Push(tuple.Objects [i]);
}
break;
}
case Opcode.GetIter:
{
Push(Pop().GetIterator(this));
break;
}
case Opcode.IterGetNext:
{
Push(Pop().IterGetCurrent(this));
break;
}
case Opcode.IterMoveNext:
{
Push(IodineBool.Create(Pop().IterMoveNext(this)));
break;
}
case Opcode.IterReset:
{
Pop().IterReset(this);
break;
}
case Opcode.PushExceptionHandler:
{
Top.ExceptionHandlers.Push(new IodineExceptionHandler(frameCount, instruction.Argument));
break;
}
case Opcode.PopExceptionHandler:
{
Top.ExceptionHandlers.Pop();
break;
}
case Opcode.InstanceOf:
{
IodineObject o = Pop();
IodineTypeDefinition type = Pop() as IodineTypeDefinition;
if (type == null)
{
RaiseException(new IodineTypeException("TypeDef"));
break;
}
Push(IodineBool.Create(o.InstanceOf(type)));
break;
}
case Opcode.DynamicCast:
{
IodineObject o = Pop();
IodineTypeDefinition type = Pop() as IodineTypeDefinition;
if (type == null)
{
RaiseException(new IodineTypeException("TypeDef"));
break;
}
if (o.InstanceOf(type))
{
Push(o);
}
else
{
Push(IodineNull.Instance);
}
break;
}
case Opcode.NullCoalesce:
{
IodineObject o1 = Pop();
IodineObject o2 = Pop();
if (o1 is IodineNull)
{
Push(o2);
}
else
{
Push(o1);
}
break;
}
case Opcode.BeginExcept:
{
bool rethrow = true;
for (int i = 1; i <= instruction.Argument; i++)
{
IodineTypeDefinition type = Pop() as IodineTypeDefinition;
if (type == null)
{
RaiseException(new IodineTypeException("TypeDef"));
break;
}
if (lastException.InstanceOf(type))
{
rethrow = false;
break;
}
}
if (rethrow)
{
RaiseException(lastException);
}
break;
}
case Opcode.Raise:
{
IodineObject e = Pop();
if (e.InstanceOf(IodineException.TypeDefinition))
{
RaiseException(e);
}
else
{
RaiseException(new IodineTypeException("Exception"));
}
break;
}
case Opcode.SwitchLookup:
{
Dictionary <int, IodineObject> lookup = new Dictionary <int, IodineObject> ();
int needle = Pop().GetHashCode();
for (int i = 0; i < instruction.Argument; i++)
{
IodineObject value = Pop();
IodineObject key = Pop();
lookup [key.GetHashCode()] = value;
}
if (lookup.ContainsKey(needle))
{
lookup [needle].Invoke(this, new IodineObject[] { });
Push(IodineBool.True);
}
else
{
Push(IodineBool.False);
}
break;
}
case Opcode.BeginWith:
{
IodineObject obj = Pop();
obj.Enter(this);
Top.DisposableObjects.Push(obj);
break;
}
case Opcode.EndWith:
{
Top.DisposableObjects.Pop().Exit(this);
break;
}
case Opcode.IncludeMixin:
{
IodineObject obj = Pop();
IodineObject type = Pop();
foreach (KeyValuePair <string, IodineObject> attr in obj.Attributes)
{
type.SetAttribute(attr.Key, attr.Value);
}
break;
}
case Opcode.ApplyMixin:
{
IodineObject type = Pop();
IodineMixin mixin = Top.Module.ConstantPool [instruction.Argument] as IodineMixin;
foreach (KeyValuePair <string, IodineObject> attr in mixin.Attributes)
{
type.SetAttribute(attr.Key, attr.Value);
}
break;
}
case Opcode.BuildFunction:
{
MethodFlags flags = (MethodFlags)instruction.Argument;
IodineString name = Pop() as IodineString;
IodineString doc = Pop() as IodineString;
CodeObject bytecode = Pop() as CodeObject;
IodineTuple parameters = Pop() as IodineTuple;
IodineObject[] defaultValues = new IodineObject[] { };
int defaultValuesStart = 0;
if (flags.HasFlag(MethodFlags.HasDefaultParameters))
{
IodineTuple defaultValuesTuple = Pop() as IodineTuple;
IodineInteger startInt = Pop() as IodineInteger;
defaultValues = defaultValuesTuple.Objects;
defaultValuesStart = (int)startInt.Value;
}
IodineMethod method = new IodineMethod(
Top.Module,
name,
bytecode,
parameters,
flags,
defaultValues,
defaultValuesStart
);
method.SetAttribute("__doc__", doc);
Push(method);
break;
}
}
}
private void ExecuteInstruction()
{
currentLocation = instruction.Location;
switch (instruction.OperationCode)
{
case Opcode.Pop:
{
Pop();
break;
}
case Opcode.Dup:
{
IodineObject val = Pop();
Push(val);
Push(val);
break;
}
case Opcode.LoadConst:
{
Push(Top.Module.ConstantPool [instruction.Argument]);
break;
}
case Opcode.LoadNull:
{
Push(IodineNull.Instance);
break;
}
case Opcode.LoadSelf:
{
Push(Top.Self);
break;
}
case Opcode.LoadTrue:
{
Push(IodineBool.True);
break;
}
case Opcode.LoadException:
{
Push(lastException);
break;
}
case Opcode.LoadFalse:
{
Push(IodineBool.False);
break;
}
case Opcode.StoreLocal:
{
Top.StoreLocal(instruction.Argument, Pop());
break;
}
case Opcode.LoadLocal:
{
Push(Top.LoadLocal(instruction.Argument));
break;
}
case Opcode.StoreGlobal:
{
string name = ((IodineName)Top.Module.ConstantPool [instruction.Argument]).Value;
if (Globals.ContainsKey(name))
{
Globals [name] = Pop();
}
else
{
Top.Module.SetAttribute(this, name, Pop());
}
break;
}
case Opcode.LoadGlobal:
{
string name = ((IodineName)Top.Module.ConstantPool [instruction.Argument]).Value;
if (Top.Module.Attributes.ContainsKey(name))
{
Push(Top.Module.GetAttribute(this, name));
}
else if (Globals.ContainsKey(name))
{
Push(Globals [name]);
}
else
{
RaiseException(new IodineAttributeNotFoundException(name));
}
break;
}
case Opcode.StoreAttribute:
{
IodineObject target = Pop();
IodineObject value = Pop();
string attribute = ((IodineName)Top.Module.ConstantPool [instruction.Argument]).Value;
if (target.Attributes.ContainsKey(attribute) &&
target.Attributes [attribute] is IIodineProperty)
{
IIodineProperty property = (IIodineProperty)target.Attributes [attribute];
property.Set(this, value);
break;
}
target.SetAttribute(this, attribute, value);
break;
}
case Opcode.LoadAttribute:
{
IodineObject target = Pop();
string attribute = ((IodineName)Top.Module.ConstantPool [instruction.Argument]).Value;
if (target.Attributes.ContainsKey(attribute) &&
target.Attributes [attribute] is IIodineProperty)
{
IIodineProperty property = (IIodineProperty)target.Attributes [attribute];
Push(property.Get(this));
break;
}
Push(target.GetAttribute(this, attribute));
break;
}
case Opcode.StoreIndex:
{
IodineObject index = Pop();
IodineObject target = Pop();
IodineObject value = Pop();
target.SetIndex(this, index, value);
break;
}
case Opcode.LoadIndex:
{
IodineObject index = Pop();
IodineObject target = Pop();
Push(target.GetIndex(this, index));
break;
}
case Opcode.BinOp:
{
IodineObject op2 = Pop();
IodineObject op1 = Pop();
Push(op1.PerformBinaryOperation(this,
(BinaryOperation)instruction.Argument,
op2));
break;
}
case Opcode.UnaryOp:
{
Push(Pop().PerformUnaryOperation(this,
(UnaryOperation)instruction.Argument));
break;
}
case Opcode.Invoke:
{
IodineObject target = Pop();
IodineObject[] arguments = new IodineObject[instruction.Argument];
for (int i = 1; i <= instruction.Argument; i++)
{
arguments [instruction.Argument - i] = Pop();
}
Push(target.Invoke(this, arguments));
break;
}
case Opcode.InvokeVar:
{
IodineObject target = Pop();
List <IodineObject> arguments = new List <IodineObject> ();
IodineTuple tuple = Pop() as IodineTuple;
if (tuple == null)
{
RaiseException(new IodineTypeException("Tuple"));
break;
}
for (int i = 0; i < instruction.Argument; i++)
{
arguments.Add(Pop());
}
arguments.AddRange(tuple.Objects);
Push(target.Invoke(this, arguments.ToArray()));
break;
}
case Opcode.InvokeSuper:
{
IodineTypeDefinition target = (IodineTypeDefinition)Pop();
IodineObject[] arguments = new IodineObject[instruction.Argument];
for (int i = 1; i <= instruction.Argument; i++)
{
arguments [instruction.Argument - i] = Pop();
}
target.Inherit(this, Top.Self, arguments);
break;
}
case Opcode.Return:
{
Top.InstructionPointer = int.MaxValue;
break;
}
case Opcode.Yield:
{
Top.Yielded = true;
break;
}
case Opcode.JumpIfTrue:
{
if (Pop().IsTrue())
{
Top.InstructionPointer = instruction.Argument;
}
break;
}
case Opcode.JumpIfFalse:
{
if (!Pop().IsTrue())
{
Top.InstructionPointer = instruction.Argument;
}
break;
}
case Opcode.Jump:
{
Top.InstructionPointer = instruction.Argument;
break;
}
case Opcode.BuildHash:
{
IodineHashMap hash = new IodineHashMap();
for (int i = 0; i < instruction.Argument; i++)
{
IodineObject val = Pop();
IodineObject key = Pop();
hash.Set(key, val);
}
Push(hash);
break;
}
case Opcode.BuildList:
{
IodineObject[] items = new IodineObject[instruction.Argument];
for (int i = 1; i <= instruction.Argument; i++)
{
items [instruction.Argument - i] = Pop();
}
Push(new IodineList(items));
break;
}
case Opcode.BuildTuple:
{
IodineObject[] items = new IodineObject[instruction.Argument];
for (int i = 1; i <= instruction.Argument; i++)
{
items [instruction.Argument - i] = Pop();
}
Push(new IodineTuple(items));
break;
}
case Opcode.BuildClosure:
{
IodineMethod method = Pop() as IodineMethod;
Push(new IodineClosure(Top, method));
break;
}
case Opcode.IterGetNext:
{
Push(Pop().IterGetCurrent(this));
break;
}
case Opcode.IterMoveNext:
{
Push(IodineBool.Create(Pop().IterMoveNext(this)));
break;
}
case Opcode.IterReset:
{
Pop().IterReset(this);
break;
}
case Opcode.PushExceptionHandler:
{
Top.ExceptionHandlers.Push(new IodineExceptionHandler(frameCount, instruction.Argument));
break;
}
case Opcode.PopExceptionHandler:
{
Top.ExceptionHandlers.Pop();
break;
}
case Opcode.InstanceOf:
{
IodineObject o = Pop();
IodineTypeDefinition type = Pop() as IodineTypeDefinition;
if (type == null)
{
RaiseException(new IodineTypeException("TypeDef"));
break;
}
Push(IodineBool.Create(o.InstanceOf(type)));
break;
}
case Opcode.DynamicCast:
{
IodineObject o = Pop();
IodineTypeDefinition type = Pop() as IodineTypeDefinition;
if (type == null)
{
RaiseException(new IodineTypeException("TypeDef"));
break;
}
if (o.InstanceOf(type))
{
Push(o);
}
else
{
Push(IodineNull.Instance);
}
break;
}
case Opcode.NullCoalesce:
{
IodineObject o1 = Pop();
IodineObject o2 = Pop();
if (o1 is IodineNull)
{
Push(o2);
}
else
{
Push(o1);
}
break;
}
case Opcode.BeginExcept:
{
bool rethrow = true;
for (int i = 1; i <= instruction.Argument; i++)
{
IodineTypeDefinition type = Pop() as IodineTypeDefinition;
if (type == null)
{
RaiseException(new IodineTypeException("TypeDef"));
break;
}
if (lastException.InstanceOf(type))
{
rethrow = false;
break;
}
}
if (rethrow)
{
RaiseException(lastException);
}
break;
}
case Opcode.Raise:
{
IodineObject e = Pop();
if (e.InstanceOf(IodineException.TypeDefinition))
{
RaiseException(e);
}
else
{
RaiseException(new IodineTypeException("Exception"));
}
break;
}
case Opcode.SwitchLookup:
{
Dictionary <int, IodineObject> lookup = new Dictionary <int, IodineObject> ();
int needle = Pop().GetHashCode();
for (int i = 0; i < instruction.Argument; i++)
{
IodineObject value = Pop();
IodineObject key = Pop();
lookup [key.GetHashCode()] = value;
}
if (lookup.ContainsKey(needle))
{
lookup [needle].Invoke(this, new IodineObject[] { });
Push(IodineBool.True);
}
else
{
Push(IodineBool.False);
}
break;
}
case Opcode.BeginWith:
{
IodineObject obj = Pop();
obj.Enter(this);
Top.DisposableObjects.Push(obj);
break;
}
case Opcode.EndWith:
{
Top.DisposableObjects.Pop().Exit(this);
break;
}
}
}
private IodineObject GetArgSpec(VirtualMachine vm, IodineObject self, IodineObject[] args)
{
if (args.Length == 0)
{
vm.RaiseException(new IodineArgumentException(1));
return(null);
}
IodineMethod method = args [0] as IodineMethod;
if (method == null && args [0] is IodineClosure)
{
method = ((IodineClosure)args [0]).Target;
}
else if (method == null && args [0] is IodineBoundMethod)
{
method = ((IodineBoundMethod)args [0]).Method;
}
if (method == null)
{
vm.RaiseException(new IodineTypeException("Function"));
return(null);
}
IodineObject[] items = new IodineObject[4];
var names = method.Parameters;
int paramCount = method.ParameterCount;
items [3] = new IodineTuple(method.DefaultValues);
if (method.AcceptsKeywordArgs)
{
paramCount--;
items [2] = new IodineString(method.KwargsParameter);
}
else
{
items [2] = IodineNull.Instance;
}
if (method.Variadic)
{
paramCount--;
items [1] = new IodineString(method.VarargsParameter);
}
else
{
items [1] = IodineNull.Instance;
}
IodineObject[] parametersTuple = new IodineObject[paramCount];
for (int i = 0; i < paramCount; i++)
{
parametersTuple [i] = new IodineString(names [i]);
}
items [0] = new IodineTuple(parametersTuple);
return(new IodineTuple(items));
}