[PATCH] D95532: [clang][cli] Use variadic macros for parsing/generating

[Jan Svoboda via Phabricator via cfe-commits]

jansvoboda11 created this revision.
jansvoboda11 added reviewers: Bigcheese, dexonsmith.
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This patch makes all macros forwarding to `PARSE_OPTION_WITH_MARSHALLING` and `GENERATE_OPTION_WITH_MARSHALLING` variadic.

Sice we will be splitting up all CompilerInvocation parts, this will allow us to avoid a lot of boilerplate code.

The local macros prefix forwarded arguments with local variables required by the main macros. The `{THIS,NO}_PREFIX` macros make it possible for forwarding macros in member functions (`parseSimpleArgs`, `generateCC1CommandLine`) to prefix keypaths with `this->`. (Some build bots seem to require that.)


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D95532

Files:
  clang/lib/Frontend/CompilerInvocation.cpp

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