/// <summary>
///
/// </summary>
/// <param name="code"></param>
/// <param name="instructionIndex"></param>
/// <param name="mStack"></param>
/// <returns></returns>
public override bool Execute( AVM1.AVM1Code code, int instructionIndex, CheckMachine.MachineStack mStack )
{
if ( mStack.Count < 1 )
return false;
CheckMachine.MachineStackEntry e = mStack.Pop();
if ( e.Type != CheckMachine.MachineStackType.String )
return false;
string testValue = (string)e.Value;
CheckMachine.MachineStackEntry res = new CheckMachine.MachineStackEntry();
res.Type = CheckMachine.MachineStackType.Boolean;
if ( testValue.StartsWith( _Match, ( _CaseSensitive ? StringComparison.InvariantCulture : StringComparison.InvariantCultureIgnoreCase ) ) )
{
res.Value = ( bool )true;
}
else
{
res.Value = ( bool )false;
}
mStack.Push( res );
return true;
}
/// <summary>
///
/// </summary>
/// <param name="code"></param>
/// <param name="instructionIndex"></param>
/// <param name="mStack"></param>
/// <returns></returns>
public override bool Execute( AVM1.AVM1Code code, int instructionIndex, CheckMachine.MachineStack mStack )
{
if ( mStack.Count < 1 )
return false;
CheckMachine.MachineStackEntry e = mStack.Pop();
if ( e.Type != CheckMachine.MachineStackType.Boolean )
return false;
bool condition = ( bool )e.Value;
CheckMachine.MachineStackEntry res = new CheckMachine.MachineStackEntry();
res.Value = instructionIndex;
if ( condition )
{
res.Type = CheckMachine.MachineStackType.RemoveInstruction;
}
else
{
res.Type = CheckMachine.MachineStackType.KeepInstruction;
}
mStack.Push( res );
return true;
}
/// <summary>
///
/// </summary>
/// <param name="code"></param>
/// <param name="instructionIndex"></param>
/// <param name="mStack"></param>
/// <returns></returns>
public override bool Execute( AVM1Code code, int instructionIndex, CheckMachine.MachineStack mStack )
{
AVM1DataElement e = new AVM1DataElement();
// check if we can resolve the argument within the basic block of the instruction
if ( AVM1.Stack.Trace.TraceArgument( code, instructionIndex, null, _ArgumentNumber, out e ) )
{
if ( e.DataType != AVM1DataTypes.AVM_String )
{
return false;
}
else
{
CheckMachine.MachineStackEntry se = new CheckMachine.MachineStackEntry();
se.Type = CheckMachine.MachineStackType.String;
se.Value = e.Value;
mStack.Push( se );
return true;
}
}
return false;
}