1. Epic GamesDeveloper
  3. Unreal Header Tool

Unreal Header Tool

UnrealHeaderTool (UHT) is a custom parsing and code-generation tool supporting the UObject system.

Unreal Header Tool

Unreal Header Tool (UHT) is a custom parsing and code-generation tool that supports the UObject system. Code compilation happens in two phases:

  1. UHT is invoked, which parses the C++ headers for Unreal-related class metadata and generates custom code to implement the various UObject-related features.

  2. The normal C++ compiler is invoked to compile the results.

When compiling, it is possible for either tool to emit errors, so be sure to look carefully.

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