Class: RpRb::Reader

Inherits:
Object
  • Object
show all
Defined in:
lib/expr.rb

Instance Method Summary collapse

Instance Method Details

#read(string) ⇒ Object 



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# File 'lib/expr.rb', line 36

def read(string)
   to_stream(Parser.parse_string(string))
end

#to_stream(ast) ⇒ Object 



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# File 'lib/expr.rb', line 42

def to_stream(ast)
   case ast
   when Stream
      ast.children[0].collect { |child| to_stream(child) }
   when Expression, Block
      to_stream ast.children[0]
   else
      ast
   end
end