Class: JRuby::Lint::AST::Visitor

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/jruby/lint/ast.rb

Direct Known Subclasses

Collector::CheckersVisitor

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ast) ⇒ Visitor 



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# File 'lib/jruby/lint/ast.rb', line 37

def initialize(ast)
  @ast = ast
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object 



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# File 'lib/jruby/lint/ast.rb', line 58

def method_missing(name, *args, &block)
  if name.to_s =~ /^visit/
    visit(name, *args)
  else
    super
  end
end

Instance Attribute Details

#ast ⇒ Object (readonly)

Returns the value of attribute ast.



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# File 'lib/jruby/lint/ast.rb', line 35

def ast
  @ast
end

Instance Method Details

#each(&block) ⇒ Object Also known as: each_node, traverse 



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# File 'lib/jruby/lint/ast.rb', line 41

def each(&block)
  @block = block
  ast.accept(self)
ensure
  @block = nil
end

#visit(method, node) ⇒ Object 



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# File 'lib/jruby/lint/ast.rb', line 51

def visit(method, node)
  @block.call(node) if @block
  node.child_nodes.each do |cn|
    cn.accept(self) rescue nil
  end
end