Module: Rbyte

Defined in:
lib/rbyte.rb

Defined Under Namespace

Modules: RequirePatch

Class Method Summary collapse

Class Method Details

.compile_file(path) ⇒ Object

Compile a Ruby file to a Ruby byte code (rbc) file. The rbc file will be placed next to the Ruby file. If the method returns false, than compilation failed.



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# File 'lib/rbyte.rb', line 78

def compile_file(path)
  path = "#{path}.rb" unless path =~ /\.rb\Z/
  res  = RubyVM::InstructionSequence.compile_file(path)
  data = Marshal.dump(res.to_a)
  rbc_path = path + "c"
  File.open(rbc_path, "w+") {|f| f.write data }
rescue NotImplementedError
  # Ruby bug with terminated objects
  false
end

.decompile_file(path) ⇒ Object

Read a rbc file and evaluate it



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# File 'lib/rbyte.rb', line 69

def decompile_file(path)
  res = Marshal.load(File.read(path))
  RubyVM::InstructionSequence.load_array(res).eval
end

.search_for_rbc_file(path) ⇒ Object

:nodoc:



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# File 'lib/rbyte.rb', line 50

def search_for_rbc_file(path) #:nodoc:
  return unless supported_file?(path)
  path.gsub!(/\.rbc\Z/, "")
  $LOAD_PATH.each do |root|
    test_path = File.join(root, path)

    # Test for rbc files
    rbc_test_path = test_path + ".rbc"
    return rbc_test_path if File.file?(rbc_test_path)

    # Test for rb files
    rb_test_path = test_path + ".rb"
    return rb_test_path if File.file?(rb_test_path)
  end
  nil
end

.supported_file?(path) ⇒ Boolean

Only paths without a extension or with an extension of .rbc are are supported. If you require a file with a rb extension, it’s assumed you only want plain ruby files.

Returns:

  • (Boolean) 


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# File 'lib/rbyte.rb', line 96

def supported_file?(path)
  ext = File.extname(path)
  return true if ext.empty?
  ext =~ /\.rbc\Z/
end