module Bootsnap::CompileCache::ISeq

# File lib/bootsnap/compile_cache/iseq.rb, line 13
def cache_dir=(cache_dir)
  @cache_dir = cache_dir.end_with?("/") ? "#{cache_dir}iseq" : "#{cache_dir}-iseq"
end

# File lib/bootsnap/compile_cache/iseq.rb, line 199
def self.compile_option_updated
  option = RubyVM::InstructionSequence.compile_option
  crc = Zlib.crc32(option.inspect)
  Bootsnap::CompileCache::Native.compile_option_crc32 = crc
  FROZEN_STRING_LITERAL.update_options
end

# File lib/bootsnap/compile_cache/iseq.rb, line 174
def self.coverage_on?
  defined?(Coverage) && Coverage.running?
end

# File lib/bootsnap/compile_cache/iseq.rb, line 134
        def self.fetch(path, cache_dir: ISeq.cache_dir)
          compiler = compiler_selector&.call(path) || default_compiler

          # Having coverage enabled prevents iseq dumping/loading.
          if coverage_on?
            return nil if compiler.equal?(DEFAULT)

            if COVERAGE_SUPPORTED
              return compiler.input_to_output(nil, path.to_s, nil)
            elsif !@coverage_support_warning_emitted
              @coverage_support_warning_emitted = true
              warn(<<~MSG)
                Using `Bootsnap.enable_frozen_string_literal` with code coverage enabled is only supported on Ruby 4.0.4+.
                Files loaded while coverage is on, will have mutable string literals.
              MSG
            end

            return nil
          end

          Bootsnap::CompileCache::Native.fetch(
            cache_dir,
            compiler.namespace,
            path.to_s,
            compiler,
            nil,
          )
        end

# File lib/bootsnap/compile_cache/iseq.rb, line 207
def self.install!(cache_dir)
  Bootsnap::CompileCache::ISeq.cache_dir = cache_dir

  return unless supported?

  Bootsnap::CompileCache::ISeq.compile_option_updated

  class << RubyVM::InstructionSequence
    prepend(InstructionSequenceMixin)
  end
end

# File lib/bootsnap/compile_cache/iseq.rb, line 163
def self.precompile(path)
  compiler = compiler_selector&.call(path) || default_compiler
  Bootsnap::CompileCache::Native.precompile(
    cache_dir,
    compiler.namespace,
    path.to_s,
    compiler,
  )
end

# File lib/bootsnap/compile_cache/iseq.rb, line 17
def supported?
  CompileCache.supported? && defined?(RubyVM)
end