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use more efficient _readdirx for tab completion #53540

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Mar 1, 2024
Merged

use more efficient _readdirx for tab completion #53540

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35 changes: 18 additions & 17 deletions stdlib/REPL/src/REPLCompletions.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@ using Core: Const
const CC = Core.Compiler
using Base.Meta
using Base: propertynames, something, IdSet
using Base.Filesystem: _readdirx

abstract type Completion end

Expand Down Expand Up @@ -317,8 +318,8 @@ function cache_PATH()
continue
end

filesinpath = try
readdir(pathdir)
path_entries = try
_readdirx(pathdir)
catch e
# Bash allows dirs in PATH that can't be read, so we should as well.
if isa(e, Base.IOError) || isa(e, Base.ArgumentError)
Expand All @@ -328,13 +329,13 @@ function cache_PATH()
rethrow()
end
end
for file in filesinpath
for entry in path_entries
# In a perfect world, we would filter on whether the file is executable
# here, or even on whether the current user can execute the file in question.
try
if isfile(joinpath(pathdir, file))
@lock PATH_cache_lock push!(PATH_cache, file)
push!(this_PATH_cache, file)
if isfile(entry)
@lock PATH_cache_lock push!(PATH_cache, entry.name)
push!(this_PATH_cache, entry.name)
end
catch e
# `isfile()` can throw in rare cases such as when probing a
Expand Down Expand Up @@ -378,11 +379,11 @@ function complete_path(path::AbstractString;
else
dir, prefix = splitdir(path)
end
files = try
entries = try
if isempty(dir)
readdir()
_readdirx()
elseif isdir(dir)
readdir(dir)
_readdirx(dir)
else
return Completion[], dir, false
end
Expand All @@ -392,11 +393,10 @@ function complete_path(path::AbstractString;
end

matches = Set{String}()
for file in files
if startswith(file, prefix)
p = joinpath(dir, file)
is_dir = try isdir(p) catch ex; ex isa Base.IOError ? false : rethrow() end
push!(matches, is_dir ? file * "/" : file)
for entry in entries
if startswith(entry.name, prefix)
is_dir = try isdir(entry) catch ex; ex isa Base.IOError ? false : rethrow() end
push!(matches, is_dir ? entry.name * "/" : entry.name)
end
end

Expand Down Expand Up @@ -1349,14 +1349,15 @@ function completions(string::String, pos::Int, context_module::Module=Main, shif
append!(suggestions, project_deps_get_completion_candidates(s, dir))
end
isdir(dir) || continue
for pname in readdir(dir)
for entry in _readdirx(dir)
pname = entry.name
if pname[1] != '.' && pname != "METADATA" &&
pname != "REQUIRE" && startswith(pname, s)
# Valid file paths are
# <Mod>.jl
# <Mod>/src/<Mod>.jl
# <Mod>.jl/src/<Mod>.jl
if isfile(joinpath(dir, pname))
if isfile(entry)
endswith(pname, ".jl") && push!(suggestions,
PackageCompletion(pname[1:prevind(pname, end-2)]))
else
Expand All @@ -1365,7 +1366,7 @@ function completions(string::String, pos::Int, context_module::Module=Main, shif
else
pname
end
if isfile(joinpath(dir, pname, "src",
if isfile(joinpath(entry, "src",
"$mod_name.jl"))
push!(suggestions, PackageCompletion(mod_name))
end
Expand Down
8 changes: 5 additions & 3 deletions stdlib/REPL/src/docview.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,8 @@ import Base.Docs: doc, formatdoc, parsedoc, apropos

using Base: with_output_color, mapany, isdeprecated, isexported

using Base.Filesystem: _readdirx

import REPL

using InteractiveUtils: subtypes
Expand Down Expand Up @@ -379,9 +381,9 @@ function find_readme(m::Module)::Union{String, Nothing}
path = dirname(mpath)
top_path = pkgdir(m)
while true
for file in readdir(path; join=true, sort=true)
isfile(file) && (basename(lowercase(file)) in ["readme.md", "readme"]) || continue
return file
for entry in _readdirx(path; sort=true)
isfile(entry) && (lowercase(entry.name) in ["readme.md", "readme"]) || continue
return entry.path
end
path == top_path && break # go no further than pkgdir
path = dirname(path) # work up through nested modules
Expand Down