Class: Aurum::Grammar::LexicalRules

Inherits:
Object
  • Object
show all
Defined in:
lib/aurum/grammar/automata.rb,
lib/aurum/grammar/lexical_rules.rb

Defined Under Namespace

Classes: Automata, CharacterSet, HopcroftMinimizer, Pattern, Point, SubsetDeterminizer

Constant Summary collapse

Epsilon = 
CharacterSet.new

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ LexicalRules

Returns a new instance of LexicalRules.



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# File 'lib/aurum/grammar/lexical_rules.rb', line 7

def initialize
  @patterns = {}
end

Instance Attribute Details

#patterns ⇒ Object (readonly)

Returns the value of attribute patterns.



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# File 'lib/aurum/grammar/lexical_rules.rb', line 6

def patterns
  @patterns
end

Instance Method Details

#add_lexical_action(state, pattern, action) ⇒ Object 



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# File 'lib/aurum/grammar/lexical_rules.rb', line 11

def add_lexical_action state, pattern, action
  state_name = state.to_s
  @patterns[state_name] = {} unless @patterns.has_key?(state_name)
  @patterns[state_name][pattern] = action
end