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# frozen_string_literal: true
module Bootsnap
module LoadPathCache
FALLBACK_SCAN = BasicObject.new
DOT_RB = ".rb"
DOT_SO = ".so"
SLASH = "/"
DL_EXTENSIONS = ::RbConfig::CONFIG
.values_at("DLEXT", "DLEXT2")
.reject { |ext| !ext || ext.empty? }
.map { |ext| ".#{ext}" }
.freeze
DLEXT = DL_EXTENSIONS[0]
# This is nil on linux and darwin, but I think it's '.o' on some other
# platform. I'm not really sure which, but it seems better to replicate
# ruby's semantics as faithfully as possible.
DLEXT2 = DL_EXTENSIONS[1]
CACHED_EXTENSIONS = DLEXT2 ? [DOT_RB, DLEXT, DLEXT2] : [DOT_RB, DLEXT]
@enabled = false
class << self
attr_reader(:load_path_cache, :loaded_features_index, :enabled)
alias_method :enabled?, :enabled
remove_method(:enabled)
def setup(cache_path:, development_mode:, ignore_directories:, readonly: false)
unless supported?
warn("[bootsnap/setup] Load path caching is not supported on this implementation of Ruby") if $VERBOSE
return
end
store = Store.new(cache_path, readonly: readonly)
@loaded_features_index = LoadedFeaturesIndex.new
PathScanner.ignored_directories = ignore_directories if ignore_directories
@load_path_cache = Cache.new(store, $LOAD_PATH, development_mode: development_mode)
@enabled = true
require_relative "load_path_cache/core_ext/kernel_require"
require_relative "load_path_cache/core_ext/loaded_features"
end
def unload!
@enabled = false
@loaded_features_index = nil
@realpath_cache = nil
@load_path_cache = nil
ChangeObserver.unregister($LOAD_PATH) if supported?
end
def supported?
if RUBY_PLATFORM.match?(/darwin|linux|bsd|mswin|mingw|cygwin/)
case RUBY_ENGINE
when "truffleruby"
# https://github.com/oracle/truffleruby/issues/3131
RUBY_ENGINE_VERSION >= "23.1.0"
when "ruby"
true
else
false
end
end
end
end
end
end
if Bootsnap::LoadPathCache.supported?
require_relative "load_path_cache/path_scanner"
require_relative "load_path_cache/path"
require_relative "load_path_cache/cache"
require_relative "load_path_cache/store"
require_relative "load_path_cache/change_observer"
require_relative "load_path_cache/loaded_features_index"
end
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