Types/AttributeAST/get_Parameter.ps1
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<# .SYNOPSIS Gets the parameters of an attribute .DESCRIPTION Gets the named parameters of an attribute. .EXAMPLE { [AnAttribute(Parameter='Value')]$null }.Ast.EndBlock.Statements[0].PipelineElements[0].Expression.Attribute.Parameters #> $Parameter = [Ordered]@{} # Collect all of the arguments of the attribute, in the order they were specified. $argsInOrder = @( @($this.PositionalArguments) + @($this.NamedArguments) | Sort-Object { $_.Extent.StartOffset} ) # Now we need to map each of those arguments into either named or positional arguments. foreach ($attributeArg in $argsInOrder) { # Named arguments are fairly straightforward: if ($attributeArg -is [Management.Automation.Language.NamedAttributeArgumentAst]) { $argName = $attributeArg.ArgumentName $argAst = $attributeArg.Argument $parameter[$argName] = if ($argName -eq $argAst) { # If the argument is the name, $true # treat it as a [switch] parameter. } # If the argument value was an ScriptBlockExpression else { $argAst.ConvertFromAst() } } else { # If we are a positional parameter, for the moment: if ($parameter.Count) { # add it to the last named parameter. $parameter[@($parameter.Keys)[-1]] = @() + $parameter[@($parameter.Keys)[-1]] + $attributeArg.ConvertFromAst() } } } return $Parameter |