Class: Mutant::Context::Scope

Inherits:
Mutant::Context show all
Extended by:
NodeHelpers
Includes:
Adamantium::Flat
Defined in:
lib/mutant/context/scope.rb

Overview

Scope context for mutation (Class or Module)

Constant Summary

Constants included from NodeHelpers

NodeHelpers::INFINITY, NodeHelpers::NAN, NodeHelpers::NEGATIVE_INFINITY, NodeHelpers::NEW_OBJECT, NodeHelpers::N_EMPTY, NodeHelpers::N_FALSE, NodeHelpers::N_NIL, NodeHelpers::N_TRUE, NodeHelpers::RAISE

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from NodeHelpers

n_not, s

Instance Attribute Details

#scope ⇒ ::Module|::Class (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.

Return scope wrapped by context



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# File 'lib/mutant/context/scope.rb', line 111

def scope
  @scope
end

Class Method Details

.wrap(scope, node) ⇒ Parser::AST::Class, Parser::AST::Module

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.

Wrap node into ast node



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# File 'lib/mutant/context/scope.rb', line 45

def self.wrap(scope, node)
  name = s(:const, nil, scope.name.split('::').last.to_sym)
  case scope
  when ::Class
    s(:class, name, nil, node)
  when ::Module
    s(:module, name, node)
  else
    raise "Cannot wrap scope: #{scope.inspect}"
  end
end

Instance Method Details

#identification ⇒ String

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.

Return identification



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# File 'lib/mutant/context/scope.rb', line 28

def identification
  scope.name
end

#match_prefixes ⇒ Enumerable<String>

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.

Return match prefixes



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# File 'lib/mutant/context/scope.rb', line 98

def match_prefixes
  name_nesting.each_index.reverse_each.map do |index|
    name_nesting.take(index.succ).join('::')
  end
end

#name ⇒ String

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.

Return name



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# File 'lib/mutant/context/scope.rb', line 88

def name
  scope.name
end

#nesting ⇒ Enumerable<Class,Module>

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.

Return nesting



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# File 'lib/mutant/context/scope.rb', line 63

def nesting
  const = ::Object
  name_nesting.each_with_object([]) do |name, nesting|
    const = const.const_get(name)
    nesting << const
  end
end

#root(node) ⇒ Parser::AST::Node

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.

Return AST wrapping mutated node



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# File 'lib/mutant/context/scope.rb', line 16

def root(node)
  nesting.reverse.reduce(node) do |current, scope|
    self.class.wrap(scope, current)
  end
end

#unqualified_name ⇒ String

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.

Return unqualified name of scope



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# File 'lib/mutant/context/scope.rb', line 78

def unqualified_name
  name_nesting.last
end