Class: Eggshell::ExpressionEvaluator::Evaluator

Inherits:
Object
  • Object
show all
Defined in:
lib/eggshell/expression-evaluator/evaluator.rb

Instance Method Summary collapse

Constructor Details

#initialize(vtable, ftable) ⇒ Evaluator

Returns a new instance of Evaluator.



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# File 'lib/eggshell/expression-evaluator/evaluator.rb', line 3

def initialize(vtable, ftable)
  @vtable = vtable
  @ftable = ftable
end

Instance Method Details

#evaluate(struct) ⇒ Object 



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# File 'lib/eggshell/expression-evaluator/evaluator.rb', line 8

def evaluate(struct)
  ret = nil
  struct.each do |frag|
    if frag.is_a?(Array)
      if frag[0] == :op
        
      elsif frag[0] == :op_tern
        
      elsif frag[0] == :func
        buff << frag[1] + '('
        buff << reassemble(frag[2], ',')
        buff << ')'
      elsif frag[0] == :group
        
      elsif frag[0] == :var
        
      elsif frag[0] == :index_access
        
      end
    else
      buff << s
      buff << (frag.is_a?(String) ? '"' + frag.gsub('"', '\\"') + '"' : frag)
      s = sep
    end
  end
end

#get_var(var, do_ptr = false) ⇒ Object

an attempt will be made to match an exact var name with that, otherwise, it will be decomposed and each part will be looked up successively.

Parameters:

  • String|Array —

    var If ‘var` is a string and contains only alphanumeric/dot characters,



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# File 'lib/eggshell/expression-evaluator/evaluator.rb', line 38

def get_var(var, do_ptr = false)

end

#set_var(var, val) ⇒ Object 



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# File 'lib/eggshell/expression-evaluator/evaluator.rb', line 42

def set_var(var, val)
end