Module: WebConsole::JRuby

Defined in:
lib/web_console/integration/jruby.rb

Defined Under Namespace

Classes: FakeJRubyBinding, FakeJRubyBindingsArray

Class Method Summary collapse

Class Method Details

.interpreted_mode? ⇒ Boolean

Returns whether JRuby is ran in interpreted mode.

Returns:

  • (Boolean) 


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# File 'lib/web_console/integration/jruby.rb', line 10

def interpreted_mode?
  compile_mode     = ::JRuby.runtime.instance_config.compile_mode
  interpreted_mode = RubyInstanceConfig::CompileMode::OFF

  compile_mode == interpreted_mode
end

.set_exception_bindings_trace_func ⇒ Object

A proc to be used in Kernel#set_trace_func.

It sets Exception#bindings for an error with all the bindings the current ThreadContext contains.



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# File 'lib/web_console/integration/jruby.rb', line 21

def set_exception_bindings_trace_func
  proc do |event, file, line, id, binding, classname|
    case event
    when 'raise'
      if $ERROR_INFO.bindings.empty?
        # binding_of_caller will generate an improperly built binding at
        # caller[1]. Every call to a non existent method, constant or a
        # local variable will result in a Java NullPointerException.
        #
        # The binding that Kernel#set_trace_func is giving us is properly
        # built, so we can use in place of the broken one.
        bindings = ::Kernel.binding.callers.drop(2).unshift(binding)
        $ERROR_INFO.instance_variable_set(:@bindings, bindings)
      end
    end
  end
end