如何从IDL文件生成C#文件？适配Firefox46的GeckoFX重生成咨询

Absolutely—regenerating the C# interop files directly from the Firefox 46 IDL files is not only possible, but it’s actually the best practice here. Manually updating UUIDs is tedious, error-prone, and easy to miss, so using GeckoFX’s built-in generation tooling will ensure your interop code stays in sync with the Firefox SDK.

Here’s a step-by-step breakdown of how to do this:

• Locate GeckoFX’s code generator: The GeckoFX project includes a dedicated generator tool (usually in a project like GeckoFX.Generator). This tool parses Firefox IDL files and generates the corresponding C# interop classes, including correct UUIDs.
• Prepare the Firefox 46 IDL files: Unzip the firefox-46.0.win32.sdk.zip file you mentioned, and navigate to the idl directory inside it—this contains all the official interface definitions with the correct UUIDs.
• Configure the generator: Update the generator’s settings to point to the Firefox 46 IDL directory, and set the output path to the Geckofx-Core/Generated folder in your GeckoFX repo. You may also need to specify target .NET framework compatibility settings matching your project.
• Run the generator: Execute the generator (either by running the GeckoFX.Generator project in Visual Studio, or using the command-line equivalent if available). This will overwrite the existing generated files with fresh code that uses the UUIDs directly from the Firefox 46 IDL.
• Validate and adjust: After generation, double-check that the UUIDs in the new C# files match those in the IDL files. You might encounter minor compilation issues (like type mapping adjustments) that need quick fixes—these are normal when targeting a new Firefox version.

A few key notes to keep in mind:

• Backup first: Make a copy of the existing Generated directory before running the generator, so you can roll back if something goes wrong.
• Preserve custom changes: If you’ve made any manual modifications to the generated files in the past, you’ll need to merge those changes into the newly generated code (since the generator will overwrite everything).
• Match generator compatibility: Ensure the version of the GeckoFX generator you’re using is compatible with Firefox 46—using a generator from an older GeckoFX version might not handle all the IDL syntax or interface changes in Firefox 46 correctly.

内容的提问来源于stack exchange，提问作者Ebram