[cfe-commits] [PATCH] Use several weighted factors to determine typo candidate viablity.

[Kaelyn Uhrain]

Replace the simple Levenshtein edit distance for typo correction
candidates--and the hacky way adding namespace qualifiers would affect
the edit distance--with a synthetic "edit distance" comprised of several
factors and their relative weights. This also allows the typo correction
callback object to convey more information about the viability of a
correction candidate than simply viable or not viable.
---
 include/clang/Sema/TypoCorrection.h                |   99 ++++++++++++++++---
 lib/Sema/SemaLookup.cpp                            |   77 +++++++--------
 ...issing-namespace-qualifier-typo-corrections.cpp |   21 ++++
 3 files changed, 139 insertions(+), 58 deletions(-)

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