Class: Q::Syntax::Function

Inherits:
Treetop::Runtime::SyntaxNode
  • Object
show all
Defined in:
lib/q/syntax.rb

Instance Method Summary collapse

Instance Method Details

#args ⇒ Object 



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# File 'lib/q/syntax.rb', line 26

def args
  arguments.elements.map do |argument|
    argument.identifier.text_value
  end
end

#eval(prefscope) ⇒ Object 



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# File 'lib/q/syntax.rb', line 7

def eval prefscope
  defargs = args

  prefscope['_'] = this = lambda { |scope|
      argscope = Q::Scope.new

      defargs.each_with_index do |arg, i|
        argscope[arg] = scope.args[i]
      end

      fscope = Q::Scope.new [argscope, scope, prefscope]
      fscope.this = this

      fscope['_'] = statements.eval fscope

      return fscope.this
    }
end