Support constant evaluation for `#if` and `#elif` preprocessor directive

sysprog21 / shecc

A self-hosting and educational C optimizing compiler

BSD 2-Clause "Simplified" License

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Closed ChAoSUnItY closed 7 months ago

ChAoSUnItY commented 7 months ago

Implement constant evaluation for #if and #ifdef preprocessor directive
- Notice that short-circuit is not yet implemented.

ChAoSUnItY commented 7 months ago

This Pull Request will be ready for review once after #111 is merged.

jserv commented 7 months ago

I defer to @vacantron for confirmation.

jserv commented 7 months ago

Thank @ChAoSUnItY for contributing!