Class: Reek::Context::MethodContext Private

Inherits:
CodeContext show all
Defined in:
lib/reek/context/method_context.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

A context wrapper for any method definition found in a syntax tree.

Direct Known Subclasses

SingletonMethodContext

Instance Attribute Summary collapse

Attributes inherited from CodeContext

#exp

Instance Method Summary collapse

Methods inherited from CodeContext

#config_for, #each_node, #full_name, #local_nodes, #matches?, #method_missing, #name, #num_methods

Constructor Details

#initialize(outer, exp) ⇒ MethodContext

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of MethodContext.



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# File 'lib/reek/context/method_context.rb', line 29

def initialize(outer, exp)
  super
  @parameters = exp.parameters.dup
  @parameters.extend MethodParameters
  @num_statements = 0
  @refs = AST::ObjectRefs.new
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Reek::Context::CodeContext

Instance Attribute Details

#num_statements ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/reek/context/method_context.rb', line 27

def num_statements
  @num_statements
end

#parameters ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/reek/context/method_context.rb', line 25

def parameters
  @parameters
end

#refs ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/reek/context/method_context.rb', line 26

def refs
  @refs
end

Instance Method Details

#count_statements(num) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/reek/context/method_context.rb', line 37

def count_statements(num)
  @num_statements += num
end

#envious_receivers ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/reek/context/method_context.rb', line 58

def envious_receivers
  return [] if @refs.self_is_max?
  @refs.max_keys
end

#record_call_to(exp) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/reek/context/method_context.rb', line 41

def record_call_to(exp)
  receiver, meth = exp[1..2]
  receiver ||= [:self]
  case receiver[0]
  when :lvasgn
    @refs.record_reference_to(receiver.name)
  when :lvar
    @refs.record_reference_to(receiver.name) unless meth == :new
  when :self
    @refs.record_reference_to(:self)
  end
end

#record_use_of_self ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/reek/context/method_context.rb', line 54

def record_use_of_self
  @refs.record_reference_to(:self)
end

#references_self? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 


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# File 'lib/reek/context/method_context.rb', line 63

def references_self?
  exp.depends_on_instance?
end

#unused_params ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/reek/context/method_context.rb', line 71

def unused_params
  exp.arguments.select do |param|
    next if param.anonymous_splat?
    next if param.marked_unused?
    !uses_param? param.plain_name
  end
end

#uses_param?(param) ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 


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# File 'lib/reek/context/method_context.rb', line 67

def uses_param?(param)
  local_nodes(:lvar).find { |node| node.var_name == param.to_sym }
end

#uses_super_with_implicit_arguments? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 


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# File 'lib/reek/context/method_context.rb', line 79

def uses_super_with_implicit_arguments?
  (body = exp.body) && body.contains_nested_node?(:zsuper)
end