JezK
Edit File: mini_racer_runtime.rb
require "execjs/runtime" module ExecJS class MiniRacerRuntime < Runtime class Context < Runtime::Context def initialize(runtime, source = "", options={}) source = encode(source) @context = ::MiniRacer::Context.new @context.eval("delete this.console"); translate do @context.eval(source) end end def exec(source, options = {}) source = encode(source) if /\S/ =~ source eval "(function(){#{source}})()" end end def eval(source, options = {}) source = encode(source) if /\S/ =~ source translate do @context.eval("(#{source})") end end end def call(identifier, *args) # TODO optimise generate eval "#{identifier}.apply(this, #{::JSON.generate(args)})" end private def strip_functions!(value) if Array === value value.map! do |v| if MiniRacer::JavaScriptFunction === value nil else strip_functions!(v) end end elsif Hash === value value.each do |k,v| if MiniRacer::JavaScriptFunction === v value.delete k else value[k] = strip_functions!(v) end end value elsif MiniRacer::JavaScriptFunction === value nil else value end end def translate begin strip_functions! yield rescue MiniRacer::RuntimeError => e ex = ProgramError.new e.message if backtrace = e.backtrace backtrace = backtrace.map { |line| if line =~ /JavaScript at/ line.sub("JavaScript at ", "") .sub("<anonymous>", "(execjs)") .strip else line end } ex.set_backtrace backtrace end raise ex rescue MiniRacer::ParseError => e ex = RuntimeError.new e.message ex.set_backtrace(["(execjs):1"] + e.backtrace) raise ex end end end def name "mini_racer (V8)" end def available? require "mini_racer" true rescue LoadError false end end end