Rename for clarity

lib/execjs.rb

@@ -5,10 +5,10 @@ module ExecJS
   class RuntimeError    < Error; end
   class ProgramError    < Error; end
 
-  autoload :ExternalRuntime, "execjs/external_runtime"
-  autoload :RhinoRuntime,    "execjs/rhino_runtime"
-  autoload :Runtimes,        "execjs/runtimes"
-  autoload :V8Runtime,       "execjs/v8_runtime"
+  autoload :ExternalRuntime,  "execjs/external_runtime"
+  autoload :RubyRacerRuntime, "execjs/ruby_racer_runtime"
+  autoload :RubyRhinoRuntime, "execjs/ruby_rhino_runtime"
+  autoload :Runtimes,         "execjs/runtimes"
 
   def self.exec(source)
     runtime.exec(source)

lib/execjs/ruby_racer_runtime.rb

@@ -1,5 +1,5 @@
 module ExecJS
-  class V8Runtime
+  class RubyRacerRuntime
     def initialize(options)
     end
 

lib/execjs/ruby_rhino_runtime.rb

@@ -1,5 +1,5 @@
 module ExecJS
-  class RhinoRuntime
+  class RubyRhinoRuntime
     def initialize(options)
     end
 

lib/execjs/runtimes.rb

@@ -14,13 +14,13 @@ module ExecJS
       const_set(name, runtime)
     end
 
+    define_runtime :RubyRacer,
+      :as => RubyRacerRuntime
+
+    define_runtime :RubyRhino,
+      :as => RubyRhinoRuntime
+
     define_runtime :V8,
-      :as => V8Runtime
-
-    define_runtime :Rhino,
-      :as => RhinoRuntime
-
-    define_runtime :ExternalV8,
       :command => "v8",
       :test_args => "--help",
       :test_match => /--crankshaft/,
@@ -30,7 +30,7 @@ module ExecJS
       :command => ["nodejs", "node"],
       :runner_path => ExecJS.root + "/support/node_runner.js"
 
-    define_runtime :JSC,
+    define_runtime :JavaScriptCore,
       :command => "/System/Library/Frameworks/JavaScriptCore.framework/Versions/A/Resources/jsc",
       :runner_path => ExecJS.root + "/support/basic_runner.js"
 

test/test_runtimes.rb

@@ -45,15 +45,16 @@ module TestRuntime
   end
 end
 
-def test_runtime(name)
+def test_runtime(name, description = nil)
   runtime = ExecJS::Runtimes.const_get(name)
+  title = [name, description].join(" ")
   ok = runtime.available?
 
-  warn "%s %-14s %s" %
+  warn "%s %-16s %s" %
     if ok
-      ["✓", name, "Found"]
+      ["✓", title, "Found"]
     else
-      [" ", name, "Not found"]
+      [" ", title, "Not found"]
     end
 
   if ok
@@ -72,11 +73,11 @@ def test_runtime(name)
 end
 
 warn "Runtime support:"
+test_runtime :RubyRacer, "(V8)"
+test_runtime :RubyRhino
 test_runtime :V8
-test_runtime :Rhino
-test_runtime :ExternalV8
-test_runtime :Node
-test_runtime :JSC
+test_runtime :Node, "(V8)"
+test_runtime :JavaScriptCore
 test_runtime :Spidermonkey
 test_runtime :JScript
 warn ""