Class: BBSexp::Expression

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/bbsexp/expression.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sym, state, args = {}) ⇒ Expression

Returns a new instance of Expression.



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# File 'lib/bbsexp/expression.rb', line 6

def initialize(sym, state, args={})
  @sym = sym
  @state = case state
           when :block   then 3
           when :inline  then 2
           when :func    then 1
           when :noparse then 0
           else state
           end
  @tags = args[:tags] || ['', '']
  @block = args[:func]
end

Instance Attribute Details

#block ⇒ Object (readonly)

Returns the value of attribute block.



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# File 'lib/bbsexp/expression.rb', line 4

def block
  @block
end

#state ⇒ Object (readonly)

Returns the value of attribute state.



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# File 'lib/bbsexp/expression.rb', line 4

def state
  @state
end

#sym ⇒ Object (readonly)

Returns the value of attribute sym.



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# File 'lib/bbsexp/expression.rb', line 4

def sym
  @sym
end

#tags ⇒ Object (readonly)

Returns the value of attribute tags.



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# File 'lib/bbsexp/expression.rb', line 4

def tags
  @tags
end

Instance Method Details

#<=>(b) ⇒ Object 



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# File 'lib/bbsexp/expression.rb', line 19

def <=>(b)
  @state <=> (b.class == Expression ? b.state : b.to_i)
end