> ## Documentation Index
> Fetch the complete documentation index at: https://ancplua.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# AL0120 - Use IIncrementalGenerator instead of ISourceGenerator

> ISourceGenerator (v1 API) runs on every keystroke without caching

Source: [AL0120UseIncrementalGeneratorAnalyzer.cs](https://github.com/ANcpLua/ANcpLua.Analyzers/blob/main/src/ANcpLua.Analyzers/Analyzers/AL0120UseIncrementalGeneratorAnalyzer.cs)

## Description

ISourceGenerator (v1 API) runs on every keystroke without caching. IIncrementalGenerator provides an incremental pipeline with automatic caching, significantly improving IDE responsiveness.

## Properties

* **Category**: Roslyn Utilities
* **Severity**: Warning
* **Enabled by default**: True
* **Code fix available**: False

## Configuration

```editorconfig theme={null}
dotnet_diagnostic.AL0120.severity = warning
```