Module: RequireHooks::Bootsnap::LoadIseqExt

Defined in:
lib/require-hooks/mode/bootsnap.rb

Class Attribute Summary collapse

Instance Method Summary collapse

Class Attribute Details

.orig_cache_dir ⇒ Object

Returns the value of attribute orig_cache_dir.



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# File 'lib/require-hooks/mode/bootsnap.rb', line 55

def orig_cache_dir
  @orig_cache_dir
end

Instance Method Details

#load_iseq(path) ⇒ Object

Around hooks must be performed every time we trigger a file load, even if the file is already cached.



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# File 'lib/require-hooks/mode/bootsnap.rb', line 60

def load_iseq(path)
  ctx = RequireHooks.context_for(path)
  # Early-return for non-trackable paths
  if ctx.empty?
    ::Bootsnap::CompileCache::ISeq.cache_dir = LoadIseqExt.orig_cache_dir if LoadIseqExt.orig_cache_dir
    return super
  end

  LoadIseqExt.orig_cache_dir ||= ::Bootsnap::CompileCache::ISeq.cache_dir
  ::Bootsnap::CompileCache::ISeq.cache_dir = File.join(LoadIseqExt.orig_cache_dir, RequireHooks::Bootsnap.version_hash)

  ctx.run_around_load_callbacks(path) do
    iseq = super

    ::Bootsnap::CompileCache::ISeq.cache_dir = LoadIseqExt.orig_cache_dir

    # Bootsnap returns nil when the coverage is on,
    # we fallback to our custom #compile_with_coverage
    unless iseq
      next unless defined?(Coverage) && Coverage.running?

      iseq = RequireHooks::Iseq.compile_with_coverage(ctx, path)
    end

    iseq.eval
    EMPTY_ISEQ
  ensure
    ::Bootsnap::CompileCache::ISeq.cache_dir = LoadIseqExt.orig_cache_dir
  end
end