[PATCH] D39485: Extend SpecialCaseList to allow users to blame matches on entries in the file.

[Mitch Phillips via Phabricator via llvm-commits]

hctim created this revision.

Extends SCL functionality to allow users to find the line number in the file the SCL is built from through SpecialCaseList::inSectionBlame(...).

Also removes the need to compile the SCL before use. As the matcher now contains a list of regexes to test against instead of a single regex, the regexes can be individually built on each insertion rather than one large compilation at the end of construction.

This change also fixes a bug where blank lines would cause the parser to become out-of-sync with the line number. An error on line `k` was being reported as being on line `k - num_blank_lines_before_k`.


https://reviews.llvm.org/D39485

Files:
  include/llvm/Support/SpecialCaseList.h
  lib/Support/SpecialCaseList.cpp
  unittests/Support/SpecialCaseListTest.cpp

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