/// <summary>
/// Constructor
/// </summary>
/// <param name="engine">Engine</param>
/// <param name="handle">Handle</param>
internal ExecutionContext(ExecutionEngine engine, IntPtr handle) : base(engine)
{
Handle = handle;
Engine = engine;
NeoVM.ExecutionContext_Claim(Handle, out IntPtr evHandle, out IntPtr altHandle);
_AltStack = new StackItemStack(Engine, altHandle);
_EvaluationStack = new StackItemStack(Engine, evHandle);
if (engine.Logger == null)
{
return;
}
if (engine.Logger.Verbosity.HasFlag(ELogVerbosity.AltStackChanges))
{
_InternalOnAltStackChange = new NeoVM.OnStackChangeCallback(InternalOnAltStackChange);
NeoVM.StackItems_AddLog(altHandle, _InternalOnAltStackChange);
}
if (engine.Logger.Verbosity.HasFlag(ELogVerbosity.EvaluationStackChanges))
{
_InternalOnEvaluationStackChange = new NeoVM.OnStackChangeCallback(InternalOnEvaluationStackChange);
NeoVM.StackItems_AddLog(evHandle, _InternalOnEvaluationStackChange);
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="e">Arguments</param>
public ExecutionEngine(ExecutionEngineArgs e) : base(e)
{
_interopCache = new List <object>();
_internalInvokeInterop = new NeoVM.InvokeInteropCallback(InternalInvokeInterop);
_internalLoadScript = new NeoVM.LoadScriptCallback(InternalLoadScript);
_internalGetMessage = new NeoVM.GetMessageCallback(InternalGetMessage);
_handle = NeoVM.ExecutionEngine_Create
(
_internalInvokeInterop, _internalLoadScript, _internalGetMessage,
out IntPtr invHandle, out IntPtr resHandle
);
if (_handle == IntPtr.Zero)
{
throw new ExternalException();
}
_invocationStack = new ExecutionContextStack(this, invHandle);
_resultStack = new StackItemStack(this, resHandle);
if (Logger != null)
{
if (Logger.Verbosity.HasFlag(ELogVerbosity.StepInto))
{
_internalOnStepInto = new NeoVM.OnStepIntoCallback(InternalOnStepInto);
NeoVM.ExecutionEngine_AddLog(_handle, _internalOnStepInto);
}
}
}
/// <summary>
/// Check Array (using peek)
/// </summary>
/// <param name="stack">Stack</param>
/// <param name="isStruct">Is struct</param>
/// <param name="values">Values</param>
protected void CheckArrayPop(IStackItemsStack stack, bool isStruct, params object[] values)
{
using (var arr = stack.Pop <IArrayStackItem>())
{
Assert.IsTrue(arr != null);
CheckArray(arr, isStruct, values);
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="engine">Engine</param>
/// <param name="handle">Handle</param>
internal ExecutionContext(ExecutionEngine engine, IntPtr handle)
{
_handle = handle;
NeoVM.ExecutionContext_Claim(_handle, out IntPtr evHandle, out IntPtr altHandle);
_altStack = new StackItemStack(engine, altHandle);
_evaluationStack = new StackItemStack(engine, evHandle);
}
/// <summary>
/// Check Array (using peek)
/// </summary>
/// <param name="stack">Stack</param>
/// <param name="index">Index</param>
/// <param name="isStruct">Is struct</param>
/// <param name="count">Count</param>
/// <param name="values">Values</param>
protected void CheckArrayPeek(IStackItemsStack stack, int index, bool isStruct, params object[] values)
{
using (var arr = stack.Peek <IArrayStackItem>(index))
{
Assert.IsTrue(arr != null);
Assert.AreEqual(isStruct, arr.IsStruct);
CheckArray(arr, isStruct, values);
}
}
/// <summary>
/// Raise OnAltStackChange
/// </summary>
/// <param name="stack">Stack</param>
/// <param name="item">Item</param>
/// <param name="index">Index</param>
/// <param name="operation">Operation</param>
public virtual void RaiseOnAltStackChange(IStackItemsStack stack, IStackItem item, int index, ELogStackOperation operation)
{
OnAltStackChange?.Invoke(stack, item, index, operation);
}
