Class: RDG::Tree::AST

Inherits:

Object

• Object
• RDG::Tree::AST

Defined in:

lib/rdg/tree/ast.rb

Defined Under Namespace

Classes: Node

Class Method Summary

• .from_path(path, parser = Parser::CurrentRuby) ⇒ Object
• .from_source(source, parser = Parser::CurrentRuby) ⇒ Object

Instance Method Summary

• #initialize(ast) ⇒ AST constructor

  A new instance of AST.

• #post_order_iterator ⇒ Object
• #pre_order_iterator ⇒ Object
• #root ⇒ Object
• #write_to_graphic_file(format = 'png', filename = "ast") ⇒ Object

Constructor Details

#initialize(ast) ⇒ AST

Returns a new instance of AST.

# File 'lib/rdg/tree/ast.rb', line 17

def initialize(ast)
  @graph = Graph::BidirectedAdjacencyGraph.new
  import(ast)
end

Class Method Details

.from_path(path, parser = Parser::CurrentRuby) ⇒ Object

# File 'lib/rdg/tree/ast.rb', line 9

def self.from_path(path, parser = Parser::CurrentRuby)
  from_source(File.read(path), parser)
end

.from_source(source, parser = Parser::CurrentRuby) ⇒ Object

# File 'lib/rdg/tree/ast.rb', line 13

def self.from_source(source, parser = Parser::CurrentRuby)
  new(parser.parse(source))
end

Instance Method Details

#post_order_iterator ⇒ Object

# File 'lib/rdg/tree/ast.rb', line 30

def post_order_iterator
  RGL::PostOrderIterator.new(@graph)
end

#pre_order_iterator ⇒ Object

# File 'lib/rdg/tree/ast.rb', line 26

def pre_order_iterator
  RGL::PreOrderIterator.new(@graph)
end

#root ⇒ Object

# File 'lib/rdg/tree/ast.rb', line 22

def root
  @graph.each_vertex.first
end

#write_to_graphic_file(format = 'png', filename = "ast") ⇒ Object

# File 'lib/rdg/tree/ast.rb', line 34

def write_to_graphic_file(format = 'png', filename = "ast")
  @graph.write_to_graphic_file(format, filename)
end