[PATCH] D108130: [flang][nfc] Tweak the FrontendAction class

[Andrzej Warzynski via Phabricator via llvm-commits]

awarzynski created this revision.
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This patch refactors the `FrontendAction` class. It merely moves code
around so that re-using it is easier. No new functionality is
introduced.

1. Three new member methods are introduced: `RunPrescan`, `RunParse`,

`RunSema`.

2. The following free functions are re-implemented as member methods:
  - `reportFatalSemanticErrors`
  - `reportFatalScanningErrors`
  - `reportFatalParsingErrors`
  - `reportFatalErrors`

`reportFatalSemanticErrors` is updated to resemble the other error
reporting functions and to make the API more consistent.

3. The `BeginSourceFileAction` methods are simplified and the unused

input argument is deleted.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D108130

Files:
  flang/include/flang/Frontend/FrontendAction.h
  flang/include/flang/Frontend/FrontendActions.h
  flang/lib/Frontend/FrontendAction.cpp
  flang/lib/Frontend/FrontendActions.cpp

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