Module: FFI::Compiler::Loader

Defined in:
lib/ffi-compiler/loader.rb,
lib/ffi-compiler/fake_ffi/ffi-compiler/loader.rb

Class Method Summary collapse

Class Method Details

.caller_path(line = caller[0]) ⇒ Object 



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# File 'lib/ffi-compiler/loader.rb', line 24

def self.caller_path(line = caller[0])
  if FFI::Platform::OS == 'windows'
    drive = line[0..1]
    path =  line[2..-1].split(/:/)[0]
    full_path = drive + path
  else
    full_path = line.split(/:/)[0]
  end
  File.dirname full_path
end

.find(*args) ⇒ Object

Raises:

  • (LoadError) 


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# File 'lib/ffi-compiler/loader.rb', line 8

def self.find(name, start_path = nil)
  library = Platform.system.map_library_name(name)
  root = false
  Pathname.new(start_path || caller_path(caller[0])).ascend do |path|
    Dir.glob("#{path}/**/{#{FFI::Platform::ARCH}-#{FFI::Platform::OS}/#{library},#{library}}") do |f|
      return f
    end

    break if root

    # Next iteration will be the root of the gem if this is the lib/ dir - stop after that
    root = File.basename(path) == 'lib'
  end
  raise LoadError.new("cannot find '#{name}' library")
end