Class: Holistic::LanguageServer::Lifecycle

Inherits:
Object
  • Object
show all
Defined in:
lib/holistic/language_server/lifecycle.rb

Overview

Lifecycle constraints:

microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#initialize microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#shutdown

Constant Summary collapse

UnexpectedStateError = 
::Class.new(::StandardError)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Lifecycle

Returns a new instance of Lifecycle.



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# File 'lib/holistic/language_server/lifecycle.rb', line 13

def initialize
  @state = :waiting_initialize_event
end

Instance Attribute Details

#state ⇒ Object (readonly)

Returns the value of attribute state.



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# File 'lib/holistic/language_server/lifecycle.rb', line 11

def state
  @state
end

Instance Method Details

#accept?(method) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/holistic/language_server/lifecycle.rb', line 45

def accept?(method)
  return true if method == "exit"
  return true if method == "initialize" && @state == :waiting_initialize_event
  return true if method == "initialized" && @state == :waiting_initialized_event
  
  return method != "initialize" && method != "initialized" if @state == :initialized

  false
end

#initialized! ⇒ Object 



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# File 'lib/holistic/language_server/lifecycle.rb', line 25

def initialized!
  if @state != :waiting_initialized_event
    raise UnexpectedStateError, "state must be :waiting_initialized_event, got: #{@state.inspect}"
  end

  @state = :initialized
end

#initialized? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/holistic/language_server/lifecycle.rb', line 41

def initialized?
  @state == :initialized || @state == :shutdown
end

#reject?(method) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/holistic/language_server/lifecycle.rb', line 55

def reject?(method)
  !accept?(method)
end

#shutdown! ⇒ Object 



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# File 'lib/holistic/language_server/lifecycle.rb', line 33

def shutdown!
  if @state != :initialized
    raise UnexpectedStateError, "state must be :initialized, got: #{@state.inspect}"
  end

  @state = :shutdown
end

#waiting_initialized_event! ⇒ Object 



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# File 'lib/holistic/language_server/lifecycle.rb', line 17

def waiting_initialized_event!
  if @state != :waiting_initialize_event
    raise UnexpectedStateError, "state must be :waiting_initialize_event, got: #{@state.inspect}"
  end

  @state = :waiting_initialized_event
end