Class: RubyLexer::State

Inherits:
Object
  • Object
show all
Includes:
Values
Defined in:
lib/ruby_lexer.rb

Defined Under Namespace

Modules: Values

Constant Summary collapse

NAMES = 
{
  EXPR_NONE    => "EXPR_NONE",
  EXPR_BEG     => "EXPR_BEG",
  EXPR_END     => "EXPR_END",
  EXPR_ENDARG  => "EXPR_ENDARG",
  EXPR_ENDFN   => "EXPR_ENDFN",
  EXPR_ARG     => "EXPR_ARG",
  EXPR_CMDARG  => "EXPR_CMDARG",
  EXPR_MID     => "EXPR_MID",
  EXPR_FNAME   => "EXPR_FNAME",
  EXPR_DOT     => "EXPR_DOT",
  EXPR_CLASS   => "EXPR_CLASS",
  EXPR_LABEL   => "EXPR_LABEL",
  EXPR_LABELED => "EXPR_LABELED",
  EXPR_FITEM   => "EXPR_FITEM",
}

Constants included from Values

Values::EXPR_ARG, Values::EXPR_ARG_ANY, Values::EXPR_BEG, Values::EXPR_BEG_ANY, Values::EXPR_CLASS, Values::EXPR_CMDARG, Values::EXPR_DOT, Values::EXPR_END, Values::EXPR_ENDARG, Values::EXPR_ENDFN, Values::EXPR_END_ANY, Values::EXPR_FITEM, Values::EXPR_FNAME, Values::EXPR_LAB, Values::EXPR_LABEL, Values::EXPR_LABELED, Values::EXPR_MID, Values::EXPR_NONE, Values::EXPR_NUM, Values::EXPR_PAD, Values::EXPR_PAR

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(o) ⇒ State

Returns a new instance of State.

Raises:

  • (ArgumentError) 


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# File 'lib/ruby_lexer.rb', line 40

def initialize o
  raise ArgumentError, "bad state: %p" % [o] unless Integer === o # TODO: remove

  self.n = o
end

Instance Attribute Details

#n ⇒ Object

Returns the value of attribute n.



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# File 'lib/ruby_lexer.rb', line 38

def n
  @n
end

Instance Method Details

#==(o) ⇒ Object 



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# File 'lib/ruby_lexer.rb', line 46

def == o
  o.class == self.class && o.n == self.n
end

#=~(v) ⇒ Object 



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# File 'lib/ruby_lexer.rb', line 50

def =~ v
  (self.n & v.n) != 0
end

#inspect ⇒ Object 



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# File 'lib/ruby_lexer.rb', line 58

def inspect
  return "EXPR_NONE" if n.zero?
  NAMES.map { |v,k| k if self =~ v }.compact.join "|"
end

#|(v) ⇒ Object 



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# File 'lib/ruby_lexer.rb', line 54

def | v
  self.class.new(self.n | v.n)
end