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Class: RSpec::Expectations::BlockSnippetExtractor::BlockLocator Private

Do not use. This class is for internal use only.
Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, Struct
Instance Chain:
self, Struct
Inherits: Struct
  • Object
Defined in: rspec-expectations/lib/rspec/expectations/block_snippet_extractor.rb

Overview

Locates target block with node information (semantics), which tokens don’t have.

Instance Attribute Summary

  • #beginning_line_number rw private Internal use only

    Locates target block with node information (semantics), which tokens don’t have.

  • #method_name rw private Internal use only

    Locates target block with node information (semantics), which tokens don’t have.

  • #source rw private Internal use only

    Locates target block with node information (semantics), which tokens don’t have.

Instance Method Summary

Instance Attribute Details

#beginning_line_number (rw, private)

Locates target block with node information (semantics), which tokens don’t have.

[ GitHub ] 

  


# File 'rspec-expectations/lib/rspec/expectations/block_snippet_extractor.rb', line 200



BlockLocator = Struct.new(:method_name, :source, :beginning_line_number)


  








  

    #method_name   (rw, private)
  



  

    

Locates target block with node information (semantics), which tokens don’t have.


  





  


  [ GitHub ]


  

  


# File 'rspec-expectations/lib/rspec/expectations/block_snippet_extractor.rb', line 200



BlockLocator = Struct.new(:method_name, :source, :beginning_line_number)


  








  

    #source   (rw, private)
  



  

    

Locates target block with node information (semantics), which tokens don’t have.


  





  


  [ GitHub ]


  

  


# File 'rspec-expectations/lib/rspec/expectations/block_snippet_extractor.rb', line 200



BlockLocator = Struct.new(:method_name, :source, :beginning_line_number)


  







Instance Method Details



  

    #block_body_node   (private)
  

  [ GitHub ]


  

  


# File 'rspec-expectations/lib/rspec/expectations/block_snippet_extractor.rb', line 218



def block_body_node
  block_node = block_wrapper_node.children[1]
  block_node.children.last
end


  








  

    #block_wrapper_node   (private)
  

  [ GitHub ]


  

  


# File 'rspec-expectations/lib/rspec/expectations/block_snippet_extractor.rb', line 223



def block_wrapper_node
  case candidate_block_wrapper_nodes.size
  when 1
    candidate_block_wrapper_nodes.first
  when 0
    raise TargetNotFoundError
  else
    raise AmbiguousTargetError
  end
end


  








  

    #body_content_locations  
  

  [ GitHub ]


  

  


# File 'rspec-expectations/lib/rspec/expectations/block_snippet_extractor.rb', line 205



def body_content_locations
  @body_content_locations ||= block_body_node.map(&:location).compact
end


  








  

    #candidate_block_wrapper_nodes   (private)
  

  [ GitHub ]


  

  


# File 'rspec-expectations/lib/rspec/expectations/block_snippet_extractor.rb', line 234



def candidate_block_wrapper_nodes
  @candidate_block_wrapper_nodes ||= candidate_method_ident_nodes.map do |method_ident_node|
    block_wrapper_node = method_ident_node.each_ancestor.find { |node| node.type == :method_add_block }
    next nil unless block_wrapper_node
    method_call_node = block_wrapper_node.children.first
    method_call_node.include?(method_ident_node) ? block_wrapper_node : nil
  end.compact
end


  








  

    #candidate_method_ident_nodes   (private)
  

  [ GitHub ]


  

  


# File 'rspec-expectations/lib/rspec/expectations/block_snippet_extractor.rb', line 243



def candidate_method_ident_nodes
  source.nodes_by_line_number[beginning_line_number].select do |node|
    method_ident_node?(node)
  end
end


  








  

    #method_call_location  
  

  [ GitHub ]


  

  


# File 'rspec-expectations/lib/rspec/expectations/block_snippet_extractor.rb', line 201



def method_call_location
  @method_call_location ||= method_ident_node.location
end


  








  

    #method_ident_node   (private)
  

  [ GitHub ]


  

  


# File 'rspec-expectations/lib/rspec/expectations/block_snippet_extractor.rb', line 211



def method_ident_node
  method_call_node = block_wrapper_node.children.first
  method_call_node.find do |node|
    method_ident_node?(node)
  end
end


  








  

    #method_ident_node?(node)  ⇒ Boolean  (private)
  



  

    
  





  


  [ GitHub ]


  

  


# File 'rspec-expectations/lib/rspec/expectations/block_snippet_extractor.rb', line 249



def method_ident_node?(node)
  node.type == :@ident && node.args.first == method_name
end