Class: Mutant::Cache

Inherits:

Object

• Object
• Mutant::Cache

Includes:

Adamantium::Mutable

Defined in:

lib/mutant/cache.rb

Overview

An AST cache

Instance Method Summary

• #initialize ⇒ undefined constructor private

  Initialize object.

• #parse(path) ⇒ AST::Node private

  Return node for file.

Constructor Details

#initialize ⇒ undefined

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.

Initialize object

# File 'lib/mutant/cache.rb', line 12

def initialize
  @cache = {}
end

Instance Method Details

#parse(path) ⇒ 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 node for file

Parameters:

• path (#to_s)

Returns:

• (AST::Node)

# File 'lib/mutant/cache.rb', line 24

def parse(path)
  @cache.fetch(path) do
    @cache[path] = Parser::CurrentRuby.parse(File.read(path))
  end
end