private/Get-gUsing.ps1
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function Get-gUsing { [CmdletBinding()] [OutputType([System.Collections.Generic.Dictionary[System.String, System.Object]])] param ( [Parameter(Mandatory = $true, Position = 0, ValueFromPipeline = $true)] [scriptblock] $ScriptBlock, [Parameter(Mandatory = $true)] [System.Management.Automation.PSCmdlet] $ParentPSCmdlet ) process { $usings = [System.Collections.Generic.Dictionary[System.String, System.Object]]::new() $usingAsts = $ScriptBlock.Ast.FindAll( { param($ast) $ast -is [System.Management.Automation.Language.UsingExpressionAst] }, $true) | ForEach-Object { $_ -as [System.Management.Automation.Language.UsingExpressionAst] } foreach ($usingAst in $usingAsts) { $varAst = $usingAst.SubExpression -as [System.Management.Automation.Language.VariableExpressionAst] if (-not $varAst) { throw "Could not determine the 'Using' expression $($usingAst.Extent.Text)" } $varValue = $ParentPSCmdlet.GetVariableValue($varAst.VariablePath.UserPath) if (-not $varValue) { throw "Could not determine the 'Using' variable $($usingAst.Extent.Text)" } $key = [System.Convert]::ToBase64String([System.Text.Encoding]::Unicode.GetBytes($usingAst.ToString().ToLowerInvariant().ToCharArray())) if (-not $usings.ContainsKey($key)) { $usings[$key] = $varValue } } return , $usings } } |