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ax4 documentation

This documentation is for users migrating ActionScript 3 projects to Haxe with ax4.

Start here

1. Read Quickstart
2. Prepare your config.json using Config reference
3. Compare with Examples
4. If conversion fails, check Troubleshooting
5. After a run, read the diagnostics summary — see Diagnostics

Technical references

• Filters overview
• Diagnostics catalogue
• Differences from ax3
• Contributing
• GitHub wiki setup and sync

Scope

ax4 behaves more like a compiler than a text converter:

1. Parse AS3 syntax (ParseTree)
2. Load SWC declarations
3. Resolve symbols and types (TypedTree)
4. Run filter pipeline
5. Generate Haxe modules

The main pipeline lives in src/ax4/Main.hx.