[all-commits] [llvm/llvm-project] 132478: [flang][preprocessor] Extend handling of line cont...

[Peter Klausler via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1324789a65665c27eda9e04bc93db81cc859924c
      https://github.com/llvm/llvm-project/commit/1324789a65665c27eda9e04bc93db81cc859924c
  Author: Peter Klausler <35819229+klausler at users.noreply.github.com>
  Date:   2024-09-04 (Wed, 04 Sep 2024)

  Changed paths:
    M flang/lib/Parser/prescan.cpp
    M flang/test/Preprocessing/pp134.F90

  Log Message:
  -----------
  [flang][preprocessor] Extend handling of line continuation replacements (#107010)

Codes using traditional C preprocessors will sometimes put a keyword
macro name in a free form continuation line in order to get macro
replacement of part of an identifier, as in

  call subr_&
    &N&
    &(1.)

where N is a keyword macro. f18 already handles this case, but not when
there is white space between the macro name and the following
continuation marker character '&'. Allow white space to appear.

Fixes https://github.com/llvm/llvm-project/issues/106931.



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