d554f2379b
Module names can be matched either by a full path or just their basename. The completion machinery tried to do both, but had several bugs: - it always inserted the basename as a completion candidate, even if the string being completed was a full path - due to FileSpec canonicalization, it lost information about trailing slashes (it treated "lib/<TAB>" as "lib<TAB>", even though it's clear the former was trying to complete a directory name) - due to both of the previous issues, the completion candidates could end up being shorter than the string being completed, which caused crashes (string out of range errors) when attempting to substitute the results. This patch rewrites to logic to remove these kinds of issues: - basename and full path completion are handled separately - full path completion is attempted always, basename only if the input string does not contain a slash - the code remembers both the canonical and original spelling or the completed argument. The canonical arg is used for matching, while the original spelling is used for completion. This way "/foo///.//b<TAB>" can still match "/foo/bar", but it will complete to "/foo///.//bar".
The LLVM Compiler Infrastructure
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