class SyntaxTree::Parser::TokenList

This represents all of the tokens coming back from the lexer. It is replacing a simple array because it keeps track of the last deleted token from the list for better error messages.

Attributes

last_deleted [R]

tokens [R]

Public Class Methods

new ()

Source

# File lib/syntax_tree/parser.rb, line 66
def initialize
  @tokens = []
  @last_deleted = nil
end

Public Instance Methods

<< (token)

Source

# File lib/syntax_tree/parser.rb, line 71
def <<(token)
  tokens << token
end

[] (index)

Source

# File lib/syntax_tree/parser.rb, line 75
def [](index)
  tokens[index]
end

any? (&block)

Source

# File lib/syntax_tree/parser.rb, line 79
def any?(&block)
  tokens.any?(&block)
end

delete (value)

Source

# File lib/syntax_tree/parser.rb, line 91
def delete(value)
  @last_deleted = tokens.delete(value) || @last_deleted
end

delete_at (index)

Source

# File lib/syntax_tree/parser.rb, line 95
def delete_at(index)
  @last_deleted = tokens.delete_at(index)
end

reverse_each (&block)

Source

# File lib/syntax_tree/parser.rb, line 83
def reverse_each(&block)
  tokens.reverse_each(&block)
end

rindex (&block)

Source

# File lib/syntax_tree/parser.rb, line 87
def rindex(&block)
  tokens.rindex(&block)
end