Class: Prism::Node

Inherits:
Object
  • Object
show all
Defined in:
lib/prism/node.rb,
ext/prism/extension.c

Overview

This represents a node in the tree. It is the parent class of all of the various node types.

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#location ⇒ Object (readonly)

A Location instance that represents the location of this node in the source.



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# File 'lib/prism/node.rb', line 14

def location
  @location
end

Instance Method Details

#newline? ⇒ Boolean

:nodoc:

Returns:

  • (Boolean) 


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# File 'lib/prism/node.rb', line 16

def newline? # :nodoc:
  @newline ? true : false
end

#pretty_print(q) ⇒ Object

Similar to inspect, but respects the current level of indentation given by the pretty print object.



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# File 'lib/prism/node.rb', line 35

def pretty_print(q)
  q.seplist(inspect.chomp.each_line, -> { q.breakable }) do |line|
    q.text(line.chomp)
  end
  q.current_group.break
end

#set_newline_flag(newline_marked) ⇒ Object

:nodoc:



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# File 'lib/prism/node.rb', line 20

def set_newline_flag(newline_marked) # :nodoc:
  line = location.start_line
  unless newline_marked[line]
    newline_marked[line] = true
    @newline = true
  end
end

#slice ⇒ Object

Slice the location of the node from the source.



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# File 'lib/prism/node.rb', line 29

def slice
  location.slice
end

#to_dot ⇒ Object

Convert this node into a graphviz dot graph string.



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# File 'lib/prism/node.rb', line 43

def to_dot
  DotVisitor.new.tap { |visitor| accept(visitor) }.to_dot
end