Class: Dendroid::Lexical::TokenPosition

Inherits:

Object

• Object
• Dendroid::Lexical::TokenPosition

Defined in:

lib/dendroid/lexical/token_position.rb

Overview

Keeps track of the position of a token in the input stream.

Instance Attribute Summary

• #column ⇒ Integer readonly

  The column number where the token begins.

• #lineno ⇒ Integer readonly

  The line number where the token begins.

Instance Method Summary

• #initialize(line, col) ⇒ TokenPosition constructor

  Constructor.

• #to_s ⇒ String

  Return the position of the start of the token in line:col format.

Constructor Details

#initialize(line, col) ⇒ TokenPosition

Constructor

Parameters:

• line (Integer) —

  The line number where the token begins

• col (Integer) —

  The column number where the token begins

# File 'lib/dendroid/lexical/token_position.rb', line 16

def initialize(line, col)
  @lineno = line
  @column = col
end

Instance Attribute Details

#column ⇒ Integer (readonly)

Returns The column number where the token begins.

Returns:

• (Integer) —

  The column number where the token begins

# File 'lib/dendroid/lexical/token_position.rb', line 11

def column
  @column
end

#lineno ⇒ Integer (readonly)

Returns The line number where the token begins.

Returns:

• (Integer) —

  The line number where the token begins

# File 'lib/dendroid/lexical/token_position.rb', line 8

def lineno
  @lineno
end

Instance Method Details

#to_s ⇒ String

Return the position of the start of the token in line:col format

Returns:

• (String)

# File 'lib/dendroid/lexical/token_position.rb', line 23

def to_s
  "#{lineno}:#{column}"
end