Richard Wei f17b7c48bf [Macros] Freestanding declaration macros ...

Add support for freestanding declaration macros.

- Parse `@declaration` attribute.
- Type check and expand `MacroExpansionDecl`.

Known issues:
- Generic macros are not yet handled.
- Expansion does not work when the parent decl context is `BraceStmt`. Need to parse freestanding declaration macro expansions in `BraceStmt` as `MacroExpansionDecl`, and add expanded decls to name lookup.

2023-01-10 19:09:11 -08:00

73 KiB

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