AST | mikefrobbins.com

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 ·

Share on:

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 ·

Share on:

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 ·

Share on:

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 = …

PowerShell Script Module Design: Building Tools to Automate the Process

Nov 1, 2018 · AST PowerShell PowerShell Script Module Design ·

Share on:

As I previously mentioned a little over a month ago in my blog article PowerShell Script Module Design Philosophy, I'm transitioning my module build process to a non-monolithic design in development and a monolithic design for production to take advantage of the best of both worlds. Be sure to read the previously …

Learn about the PowerShell Abstract Syntax Tree (AST) – Part 3

Oct 25, 2018 · AST PowerShell ·

Share on:

This blog article is the third in a series of learning about the PowerShell Abstract Syntax Tree (AST). Be sure to read the other two if you haven't already. Learning about the PowerShell Abstract Syntax Tree (AST) Learn about the PowerShell Abstract Syntax Tree (AST) – Part 2 Learn about the PowerShell Abstract Syntax …

Learn about the PowerShell Abstract Syntax Tree (AST) – Part 2

Oct 24, 2018 · AST PowerShell ·

Share on:

In my previous blog article a few weeks ago on Learning about the PowerShell Abstract Syntax Tree (AST), I mentioned there was an easier way to retrieve the AST so that you didn't have to cast everything to a script block. There are two .NET static methods, ParseFile and ParseInput, that are part of the Parser Class in …

Learning about the PowerShell Abstract Syntax Tree (AST)

Sep 28, 2018 · AST PowerShell PowerShell Script Module Design ·

Share on:

This week, I'll continue where I left off in my previous blog article PowerShell Script Module Design Philosophy. Moving forward, the development versions of my PowerShell script modules will use a non-monolithic design where each function is dot-sourced from the PSM1 file. When I move them to production, I'll convert …