Types/TerminalTunes.Generator/IsSafe.ps.ps1
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[ValidateScriptBlock( ExcludeCommand='*', NoWhileLoop, IncludeType={ [int],[math],[timespan], [datetime], [string], [string[]],[int[]], [double[]], [switch] } )] $ScriptBlockIsSafe = $this.ScriptBlock <# $this.ScriptBlock.Ast.FindAll({ param($ast) if ($ast -is [Management.Automation.Language.CommandAst]) { throw "AST cannot contain commands" } if ($ast -is [Management.Automation.Language.LoopStatementAst]) { if ($ast.GetType().Name -in 'DoWhileStatementAst','WhileStatementAst', 'DoUntilStatement') { throw "Cannot use $($ast.GetType().Name)" } } if ($ast -is [Management.Automation.Language.TypeExpressionAst]) { $reflectedType = $ast.TypeName.GetReflectionType() if (-not $reflectedType) { throw "Could not resolve $($ast.Typename.FullName)" } if ($reflectedType -notin [Math], [Timespan]) { throw "Unacceptable type" } } }, $true) #> return $true |