[antlr-interest] Preprocessors - academic question

[John Allen Green]

Here's one for you educated folks...

Given a preprocessor which allows branching and unrestricted code
substitutions, is it impossible to work with the semantics of the
preprocessing itself?

It would seem to me that since you could have code substitution doing code
substitution, it would be impossible to build a parse tree of the
preprocessing.

Cheers,
John
john at joanju dot com


 

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