objective c - Xcode Preprocessor Output

Question

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

I want to check the output of the preprocessor for some files. How can I view the preprocessor's output in Xcode?

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1 Answer

深蓝 · Answer 1 · 2021-10-17T01:06:48+0000

You can choose the "Show the Assistant editor" view in the top right set of buttons in the toolbar.

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Then, at the top of the right-hand editor you can click the little Related Files button and then either choose Preprocess or Assembly.

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You can see an example of both the preprocessor output and generated assembly code all side-by-side here:

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