getmembers.ps1

#Gets the methods you need to override to create a subclass of the given type
Filter GetOverrides { Param($filter)
	if (!$filter) {
		$filter = [System.Reflection.MethodAttributes]::Virtual -bor [System.Reflection.MethodAttributes]::Abstract
	}
	$type = $_
	$type.GetMembers() `
	| ?{ $_.DeclaringType -eq $type -and $_.Attributes -band $filter } `
	| Sort-Object -Property 'Name' `
	| PrintMembers
}

#Gets the declared properties and methods of an object (&/or those declared by the given superclass)
Filter GetMembers { Param($type)
	if (!$type) {
		$type = @()
	}
	elseif ($type -isnot [array]) {
		$type = @($type)
	}
	$type += @($_.GetType())
	$type[-1].GetMembers() `
	| ?{ $_.DeclaringType -in $type } `
	| Sort-Object -Property 'Name' `
	| PrintMembers
}

Filter PrintMembers {
	''
	if (!$_.GetParameters) {
		"[$($_.PropertyType.Name)] $($_.Name)"
		return
	}
	
	$return = ''
	if ($_.ReturnType -ne [void]) {
		$return = "[$($_.ReturnType.Name)] "
	}
	
	$params = $_.GetParameters()
	if (!$params.Count) {
		"$return$($_.Name)()"
		return
	}
	
	"$return$($_.Name)("
	$params `
	| &{
		Begin {
			$last = $NULL
		}
		Process {
			$next = "`t[$($_.ParameterType.Name)]`t$($_.Name)"
			if ($last) {
				"$last,"
			}
			$last = $next
		}
		End {
			if ($last) {
				$last
			}
		}
	}
	')'
}