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);
}
}
}
protected override RunControlType ExecuteInternal(ScriptExecutionEnvironment env, out ScriptVariable returnValue)
{
returnValue = null;
env.Variables.EnterScope();
try {
foreach (var statement in this.Statements)
{
RunControlType ctrl = statement.Execute(env, out returnValue);
if (ctrl != RunControlType.None)
{
return(ctrl);
}
}
} finally {
env.Variables.ExitScope();
}
return(RunControlType.None);
}
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;
env.Variables.EnterScope();
try {
env.Variables.Declare(this.Identifier, null, VariableStorage.FieldProperty.Default);
ScriptVariable list = this.Enumerator.Calculate(env) ?? new ListVariable();
foreach (var tmp in list.ToList())
{
env.Variables.Set(this.Identifier, tmp);
RunControlType ctrl = this.Statement.Execute(env, out returnValue);
if (ctrl == RunControlType.Break)
{
return(RunControlType.None);
}
if (ctrl == RunControlType.Return)
{
return(RunControlType.Return);
}
}
} finally { env.Variables.ExitScope(); }
return(RunControlType.None);
}
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);
}
}
public ControlSyntaxElement(LexicalElement lexAtStart, RunControlType type)
: base(lexAtStart)
{
this.Type = type;
}
public ControlSyntaxElement(LexicalElement lexAtStart, SyntaxElement returnValue)
: base(lexAtStart)
{
this.Type = RunControlType.Return;
this.ReturnValue = returnValue;
}
