evaluator for Ruby
if object is an Class or Module then define instance method to it, else define singleton method to it.
# File lib/erubis/evaluator.rb, line 79 79: def def_method(object, method_name, filename=nil) 80: m = object.is_a?(Module) ? :module_eval : :instance_eval 81: object.__send__(m, "def #{method_name}; #{@src}; end", filename || @filename || '(erubis)') 82: end
invoke context.instance_eval(@src)
# File lib/erubis/evaluator.rb, line 69 69: def evaluate(_context=Context.new) 70: _context = Context.new(_context) if _context.is_a?(Hash) 71: #return _context.instance_eval(@src, @filename || '(erubis)') 72: #@_proc ||= eval("proc { #{@src} }", Erubis::EMPTY_BINDING, @filename || '(erubis)') 73: @_proc ||= eval("proc { #{@src} }", binding(), @filename || '(erubis)') 74: return _context.instance_eval(&@_proc) 75: end
eval(@src) with binding object
# File lib/erubis/evaluator.rb, line 53 53: def result(_binding_or_hash=TOPLEVEL_BINDING) 54: _arg = _binding_or_hash 55: if _arg.is_a?(Hash) 56: _b = binding() 57: eval _arg.collect{|k,v| "#{k} = _arg[#{k.inspect}]; "}.join, _b 58: elsif _arg.is_a?(Binding) 59: _b = _arg 60: elsif _arg.nil? 61: _b = binding() 62: else 63: raise ArgumentError.new("#{self.class.name}#result(): argument should be Binding or Hash but passed #{_arg.class.name} object.") 64: end 65: return eval(@src, _b, (@filename || '(erubis')) 66: end
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