Class: MotionBlender::Analyzer

Inherits:
Object
  • Object
show all
Defined in:
lib/motion_blender/analyzer.rb,
lib/motion_blender/analyzer/cache.rb,
lib/motion_blender/analyzer/parser.rb,
lib/motion_blender/analyzer/evaluator.rb

Defined Under Namespace

Classes: Cache, Evaluator, Parser

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Analyzer

Returns a new instance of Analyzer.



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# File 'lib/motion_blender/analyzer.rb', line 10

def initialize
  @analyzed_files = Set.new
  @files = []
  @dependencies = {}
  @autoloads = {}
  @file_stack = []
end

Instance Attribute Details

#dependencies ⇒ Object (readonly)

Returns the value of attribute dependencies.



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# File 'lib/motion_blender/analyzer.rb', line 8

def dependencies
  @dependencies
end

#files ⇒ Object (readonly)

Returns the value of attribute files.



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# File 'lib/motion_blender/analyzer.rb', line 8

def files
  @files
end

Instance Method Details

#analyze(file, backtrace = []) ⇒ Object 



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# File 'lib/motion_blender/analyzer.rb', line 18

def analyze file, backtrace = []
  @file_stack.push file

  return if MotionBlender.config.excepted_files.include? file
  return if @analyzed_files.include? file
  @analyzed_files << file

  parser = parse file, backtrace
  requires = merge parser
  requires.each do |req|
    req.run_callbacks :require do
      analyze req.file, [req.trace, *backtrace]
    end
  end
ensure
  @file_stack.pop
end

#merge(parser) ⇒ Object 



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# File 'lib/motion_blender/analyzer.rb', line 43

def merge parser
  pick_autoloads parser

  reqs = parser.dependent_requires(autoloads: @autoloads)
  reqs = reqs.reject { |req| @file_stack.include? req.file }
  if reqs.present?
    files = reqs.map(&:file)
    @dependencies[parser.file] = files
    @files = [*@files, parser.file, *files].uniq
    reqs
  else
    []
  end
end

#parse(file, backtrace) ⇒ Object 



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# File 'lib/motion_blender/analyzer.rb', line 58

def parse file, backtrace
  parser = Parser.new file
  begin
    parser.parse
  rescue LoadError => err
    err.set_backtrace [parser.last_trace, *backtrace].compact
    raise err
  end
  parser
end

#pick_autoloads(parser) ⇒ Object 



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# File 'lib/motion_blender/analyzer.rb', line 36

def pick_autoloads parser
  parser.requires.select(&:autoload?).each do |req|
    @autoloads[req.autoload_const_name] ||= []
    @autoloads[req.autoload_const_name] << req
  end
end