Class: Rsense::Server::Listeners::FindDefinitionEventListener

Inherits:
Object
  • Object
show all
Includes:
Java::org.cx4a.rsense::Project::EventListener
Defined in:
lib/rsense/server/listeners/find_definition_event_listener.rb

Constant Summary collapse

EventType = 
Rsense::Typing::Graph::EventListener::EventType
SourceLocation = 
Rsense::Util::SourceLocation

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(context) ⇒ FindDefinitionEventListener

Returns a new instance of FindDefinitionEventListener.



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# File 'lib/rsense/server/listeners/find_definition_event_listener.rb', line 19

def initialize(context)
  @context = context
  @@counter = 0
  @locations = Set.new
end

Instance Attribute Details

#context ⇒ Object

Returns the value of attribute context.



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# File 'lib/rsense/server/listeners/find_definition_event_listener.rb', line 17

def context
  @context
end

#locations ⇒ Object

Returns the value of attribute locations.



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# File 'lib/rsense/server/listeners/find_definition_event_listener.rb', line 17

def locations
  @locations
end

#prefix ⇒ Object

Returns the value of attribute prefix.



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# File 'lib/rsense/server/listeners/find_definition_event_listener.rb', line 17

def prefix
  @prefix
end

Class Method Details

.counter ⇒ Object 



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# File 'lib/rsense/server/listeners/find_definition_event_listener.rb', line 30

def self.counter
  old = @@counter
  @@counter += 1
  return old
end

Instance Method Details

#check_vertex(vertex) ⇒ Object 



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# File 'lib/rsense/server/listeners/find_definition_event_listener.rb', line 83

def check_vertex(vertex)
  if @context.main && event.type == EventType::METHOD_MISSING
    if vertex && vertex.getName().startsWith(@prefix) && vertex.getReceiverVertex()
      return true
    end
  end
end

#getLocations ⇒ Object 



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# File 'lib/rsense/server/listeners/find_definition_event_listener.rb', line 36

def getLocations
  @locations
end

#setup ⇒ Object 



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# File 'lib/rsense/server/listeners/find_definition_event_listener.rb', line 25

def setup
  @locations.clear
  @prefix = Rsense::Server::Command::FIND_DEFINITION_METHOD_NAME_PREFIX + @@counter
end

#update(event) ⇒ Object 



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# File 'lib/rsense/server/listeners/find_definition_event_listener.rb', line 40

def update(event)
  vertex = event.vertex
  if check_vertex(vertex)
    realName = vertex.getName().substring(@prefix.length)
    receivers = vertex.getReceiverVertex().getTypeSet()
    receivers.each do |receiver|

      receiver_type = receiver.getMetaClass()
      if receiver_type
        location = nil
        method = receiver_type.search_method(realName)
        if method
          @locations.add(method.getLocation) if method.getLocation
        else
          klass = nil
          if receiver_type instance_of? Rsense::Ruby::MetaClass
            metaClass = receiver_type
            if metaClass.getAttached instance_of? Rsense::Ruby::RubyModule
              klass = metaClass.getAttached
            end
          else
            klass = @context.project.graph().getRuntime().getContext().getCurrentScope().getModule()
          end
          if klass
            constant = klass.getConstant(realName)
            if constant instance_of? Rsense::Typing::Runtime::VertexHolder
              location = SourceLocation.of(constant.getVertex().getNode())
            elsif constant instance_of? Rsense::Ruby::RubyModule
                location = constant.getLocation()
            end
          end
        end

        if location
          @locations.add(location)
        end

      end
    end
    vertex.cutout()
  end
end