[flang-commits] [PATCH] D85571: [flang] Fix edge case with Hollerith

Peter Klausler via Phabricator via flang-commits flang-commits at lists.llvm.org
Fri Aug 7 16:46:55 PDT 2020


klausler created this revision.
klausler added reviewers: sscalpone, PeteSteinfeld.
klausler added a project: Flang.
Herald added a reviewer: jdoerfert.
Herald added a reviewer: DavidTruby.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.
klausler requested review of this revision.

To prevent mistokenization of CHARACTER*2HXY as a Hollerith
literal constant while allowing it in DATA A/2*2HXY/, there's
a little state that tracks whether a / has been seen earlier
in the same statement.  But it was being reset on each line,
not statement, so Hollerith in a DATA statement continuation
line was incorrectly tokenized.  Fixed.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D85571

Files:
  flang/lib/Parser/prescan.cpp
  flang/lib/Parser/prescan.h
  flang/test/Preprocessing/hollerith.f

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