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Use the Abstract Syntax Tree (AST) to list parameters and variables in PowerShell functions

May 12, 2022 · AST PowerShell ·

One thing I've missed during the past couple of years with virtual-only conferences is the hallway track. While at the PowerShell + DevOps Global Summit 2022, there was a discussion about using PascalCase for parameter names and camelCase for user-defined variables in your PowerShell functions. Specifying different …

Use the Abstract Syntax Tree (AST) to inspect PowerShell command syntax in scripts

Apr 8, 2022 · AST PowerShell ·

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I recently needed to determine the PowerShell commands and parameters used in multiple scripts. What better way to accomplish this task than to use the Abstract Syntax Tree (AST)? The Get-MrSyntax function begins by requiring at least PowerShell version 3.0. This is the oldest version that exposes the AST. The Path …

Using the AST to Find Module Dependencies in PowerShell Functions and Scripts

May 17, 2019 · AST PowerShell ·

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Earlier this week, Chris Gardner presented a session on Managing dependencies in PowerShell for the Mississippi PowerShell User Group. I mentioned that I had written a function to retrieve PowerShell module dependencies that's part of my ModuleBuildTools module. Get-MrAST is one of the primary functions that numerous …

PowerShell Tokenizer more Accurate than AST in Certain Scenarios

Feb 21, 2019 · AST PowerShell ·

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As many of you know, I've been working on some module building tools. One of the things I needed was to retrieve a list of PowerShell modules that each function required (a list of dependencies). This seemed simple enough through PowerShell's AST (Abstract Syntax Tree) as shown in the following example. 1$File = …