Class: C::Node::Pos

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/cast/node.rb

Overview

A position in a source file. All Nodes may have one in their #pos attribute.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(filename, line_num, col_num) ⇒ Pos

Returns a new instance of Pos.



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# File 'lib/cast/node.rb', line 724

def initialize(filename, line_num, col_num)
  @filename = filename
  @line_num = line_num
  @col_num  = col_num
end

Instance Attribute Details

#col_num ⇒ Object

Returns the value of attribute col_num.



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# File 'lib/cast/node.rb', line 723

def col_num
  @col_num
end

#filename ⇒ Object

Returns the value of attribute filename.



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# File 'lib/cast/node.rb', line 723

def filename
  @filename
end

#line_num ⇒ Object

Returns the value of attribute line_num.



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# File 'lib/cast/node.rb', line 723

def line_num
  @line_num
end

Instance Method Details

#<=>(x) ⇒ Object 



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# File 'lib/cast/node.rb', line 732

def <=>(x)
  return nil if self.filename != x.filename
  return (self.line_num <=> x.line_num).nonzero? ||
    self.col_num <=> x.col_num
end

#to_s ⇒ Object 



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# File 'lib/cast/node.rb', line 729

def to_s
  (@filename ? "#@filename:" : '') << "#@line_num:#@col_num"
end