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Class: RuboCop::AST::NodePattern::Compiler::Subcompiler

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Subclasses:
AtomSubcompiler, NodePatternSubcompiler, SequenceSubcompiler, RuboCop::AST::NodePattern::Compiler::Debug::NodePatternSubcompiler, RuboCop::AST::NodePattern::Compiler::Debug::SequenceSubcompiler
Inherits: Object
Defined in: lib/rubocop/ast/node_pattern/compiler/subcompiler.rb

Overview

Base class for subcompilers Implements visitor pattern

Doc on how this fits in the compiling process: /docs/modules/ROOT/pages/node_pattern.adoc

Class Attribute Summary

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(compiler) ⇒ Subcompiler

[ GitHub ] 

  


# File 'lib/rubocop/ast/node_pattern/compiler/subcompiler.rb', line 15



def initialize(compiler)
  @compiler = compiler
  @node = nil
end


  







Class Attribute Details



  

    .registry   (readonly)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/ast/node_pattern/compiler/subcompiler.rb', line 40



attr_reader :registry


  







Class Method Details



  

    .inherited(base)  
  

  [ GitHub ]


  

  


# File 'lib/rubocop/ast/node_pattern/compiler/subcompiler.rb', line 47



def inherited(base)
  us = self
  base.class_eval { @registry = us.registry.dup }
  super
end


  








  

    .method_added(method)  
  

  [ GitHub ]


  

  


# File 'lib/rubocop/ast/node_pattern/compiler/subcompiler.rb', line 42



def method_added(method)
  @registry[Regexp.last_match(1).to_sym] = method if method =~ /^visit_(.*)/
  super
end


  







Instance Attribute Details



  

    #compiler   (readonly)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/ast/node_pattern/compiler/subcompiler.rb', line 13



attr_reader :compiler


  








  

    #node   (readonly, private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/ast/node_pattern/compiler/subcompiler.rb', line 32



attr_reader :node


  







Instance Method Details



  

    #compile(node)  
  

  [ GitHub ]


  

  


# File 'lib/rubocop/ast/node_pattern/compiler/subcompiler.rb', line 20



def compile(node)
  prev = @node
  @node = node
  do_compile
ensure
  @node = prev
end


  








  

    #do_compile   (private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/ast/node_pattern/compiler/subcompiler.rb', line 34



def do_compile
  send(self.class.registry.fetch(node.type, :visit_other_type))
end