Module: AppMap::Feature

Defined in:
lib/appmap/feature.rb

Overview

A Feature is a construct within the code that will be observed. Examples features include modules, classes and functions.

Defined Under Namespace

Classes: Base, Cls, FeatureStruct, Function, Package

Constant Summary collapse

TYPE_MAP = 
{
  'cls' => 'class'
}.freeze
FEATURE_BUILDERS = 
{
  module: ->(_) { Module.new },
  class: ->(_) { Cls.new },
  function: lambda do |hash|
              static = hash.delete('static')
              class_name = hash.delete('class_name')
              Function.new.tap do |e|
                e.static = static
                e.class_name = class_name
              end
            end
}.freeze

Class Method Summary collapse

Class Method Details

.from_hash(hash) ⇒ Object

Deserialize a feature from a Hash. The Hash is typically a deserialized JSON dump of the feature.



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# File 'lib/appmap/feature.rb', line 24

def from_hash(hash)
  builder = FEATURE_BUILDERS[hash['type'].to_sym]
  raise "Unrecognized type of feature: #{type.inspect}" unless builder

  feature = builder.call(hash)
  feature.name = hash['name']
  feature.location = hash['location']
  feature.attributes = hash['attributes'] || {}
  feature.children = (hash['children'] || []).map { |child| from_hash(child) }
  feature
end