public static MulticastDelegate CreateNewClosure(ScriptBlock scriptBlock, Type delegateType)
{
if (delegateType == null)
{
delegateType = typeof(Func <object>);
}
SessionState sessionState = scriptBlock.Module == null
? GetTopLevelStateFromTLS()
: scriptBlock.Module.SessionState;
var writer = new ClosureRewriter(sessionState);
var newAst = (ScriptBlockAst)scriptBlock.Ast.Rewrite(writer);
var newSb = newAst.GetScriptBlock();
// if (scriptBlock.Module != null)
// {
// newSb = scriptBlock.Module.NewBoundScriptBlock(newSb);
// }
var inherits = new PSVariable[writer._inheritsIndex];
foreach (Tuple <int, PSVariable> inherit in writer._inherits.Values)
{
inherits[inherit.Item1] = inherit.Item2;
}
var closure = new Closure(
inherits,
new object[writer._localsIndex],
new object[writer._parametersIndex],
Array.Empty <CommandInfo>(),
newSb);
return(CreateDelegate(newSb, closure, delegateType));
}
internal static (ScriptBlock, Closure) CreateNewClosure(ScriptBlock scriptBlock)
{
SessionState sessionState = scriptBlock.Module == null
? GetTopLevelStateFromTLS()
: scriptBlock.Module.SessionState;
var writer = new ClosureRewriter(sessionState);
var newAst = (ScriptBlockAst)scriptBlock.Ast.Rewrite(writer);
var newSb = newAst.GetScriptBlock();
var inherits = new PSVariable[writer._inheritsIndex];
foreach (Tuple <int, PSVariable> inherit in writer._inherits.Values)
{
inherits[inherit.Item1] = inherit.Item2;
}
var autos = new object[3];
if (writer._hasThis)
{
autos[2] = sessionState.PSVariable.Get("this")?.Value;
}
var closure = new Closure(
inherits,
new object[writer._localsIndex],
new object[writer._parametersIndex],
Array.Empty <CommandInfo>(),
newSb,
autos);
return(newSb, closure);
}
public ScriptBlockEnumerable(ScriptBlock scriptBlock, IEnumerable enumerable)
{
_enumerable = enumerable;
(_scriptBlock, _closure) = ClosureRewriter.CreateNewClosure(scriptBlock);
}