protected override RunControlType ExecuteInternal(ScriptExecutionEnvironment env, out ScriptVariable returnValue)
{
returnValue = null;
if (!this.Do)
{
ScriptVariable condition = this.Condition.Calculate(env);
if (condition == null || !condition.ToBoolean())
{
return(RunControlType.None);
}
}
while (true)
{
RunControlType ctrl = this.Statement.Execute(env, out returnValue);
if (ctrl == RunControlType.Break)
{
return(RunControlType.None);
}
if (ctrl == RunControlType.Return)
{
return(RunControlType.Return);
}
ScriptVariable condition = this.Condition.Calculate(env);
if (condition == null || !condition.ToBoolean())
{
return(RunControlType.None);
}
}
}
public override bool FromScriptVariable(TEnvironment environment, ScriptVariable variable, ref string errorMessage)
{
switch (variable.Type)
{
case ScriptVariableType.Boolean:
this.Value = variable.ToBoolean();
return(true);
default:
errorMessage = MotionDataHandler.Properties.Settings.Default.Msg_SpecifyBoolean;
return(false);
}
}
public ScriptVariable Call(IList <ScriptVariable> args, ScriptConsole console)
{
ScriptVariable arg = null;
if (args.Count >= 1)
{
arg = args[0];
}
if (arg == null)
{
return(null);
}
return(new BooleanVariable(arg.ToBoolean()));
}
protected override ScriptVariable CalculateInternal(ScriptExecutionEnvironment env)
{
ScriptVariable operand = this.Operand.Calculate(env);
switch (this.Operator)
{
case OperatorType.Minus:
return(new NumberVariable(-operand.ToNumber()));
case OperatorType.Plus:
return(new NumberVariable(operand.ToNumber()));
case OperatorType.Not:
return(new BooleanVariable(!operand.ToBoolean()));
}
throw new NotImplementedException(this.Operator.ToString());
}
protected override ScriptVariable CalculateInternal(ScriptExecutionEnvironment env)
{
switch (this.Operator)
{
case OperatorType.Condition:
ScriptVariable p1 = this.First.Calculate(env);
if (p1 != null && p1.ToBoolean())
{
return(this.Second.Calculate(env));
}
else
{
return(this.Third.Calculate(env));
}
default:
throw new NotImplementedException(this.Operator.ToString());
}
}
protected override RunControlType ExecuteInternal(ScriptExecutionEnvironment env, out ScriptVariable returnValue)
{
returnValue = null;
env.Variables.EnterScope();
try {
if (this.Initialize != null)
{
this.Initialize.Calculate(env);
}
while (true)
{
if (this.Condition != null)
{
ScriptVariable condition = this.Condition.Calculate(env);
if (condition == null || !condition.ToBoolean())
{
return(RunControlType.None);
}
}
if (this.Statement != null)
{
RunControlType ctrl = this.Statement.Execute(env, out returnValue);
if (ctrl == RunControlType.Break)
{
return(RunControlType.None);
}
if (ctrl == RunControlType.Return)
{
return(RunControlType.Return);
}
}
if (this.Continue != null)
{
this.Continue.Calculate(env);
}
}
} finally { env.Variables.ExitScope(); }
}
protected override RunControlType ExecuteInternal(ScriptExecutionEnvironment env, out ScriptVariable returnValue)
{
returnValue = null;
ScriptVariable condition = this.Condition.Calculate(env);
if (condition != null && condition.ToBoolean())
{
if (this.Then == null)
{
return(RunControlType.None);
}
RunControlType ctrl = this.Then.Execute(env, out returnValue);
return(ctrl);
}
else
{
if (this.Else == null)
{
return(RunControlType.None);
}
RunControlType ctrl = this.Else.Execute(env, out returnValue);
return(ctrl);
}
}
protected override ScriptVariable CalculateInternal(ScriptExecutionEnvironment env)
{
ScriptVariable left = this.Left.Calculate(env);
// ショートサーキット演算子
switch (this.Operator)
{
case OperatorType.And:
if (left == null)
{
return(null);
}
if (!left.ToBoolean())
{
return(new BooleanVariable(false));
}
return(this.Right.Calculate(env));
case OperatorType.Or:
if (left == null)
{
return(null);
}
if (left.ToBoolean())
{
return(new BooleanVariable(true));
}
return(this.Right.Calculate(env));
}
// 右辺
ScriptVariable right = this.Right.Calculate(env);
if (left == null || right == null)
{
// 片方nullの場合は等価比較演算以外はnull
switch (this.Operator)
{
case OperatorType.Eq:
return(new BooleanVariable(left == right));
case OperatorType.Ne:
return(new BooleanVariable(left != right));
default:
return(null);
}
}
// 普通の二項演算
switch (this.Operator)
{
case OperatorType.Cross:
return(left.Multiply(right));
case OperatorType.Plus:
return(left.Add(right));
case OperatorType.Minus:
return(left.Subtract(right));
case OperatorType.Slash:
return(left.Divide(right));
case OperatorType.Percent:
return(left.Remainder(right));
}
// 比較演算子
int?tmp = left.CompareTo(right);
if (tmp.HasValue)
{
int value = tmp.Value;
switch (this.Operator)
{
case OperatorType.Eq:
return(new BooleanVariable(value == 0));
case OperatorType.Ne:
return(new BooleanVariable(value != 0));
case OperatorType.Gt:
return(new BooleanVariable(value > 0));
case OperatorType.Ge:
return(new BooleanVariable(value >= 0));
case OperatorType.Lt:
return(new BooleanVariable(value < 0));
case OperatorType.Le:
return(new BooleanVariable(value <= 0));
}
}
return(null);
}
