Remove pure evaluation

lib/execjs/external_runtime.rb

@@ -4,15 +4,9 @@ require "tempfile"
 module ExecJS
   class ExternalRuntime
     class Context
-      def initialize(runtime)
+      def initialize(runtime, source = "")
         @runtime = runtime
-        @script  = ""
-      end
-
-      def <<(script)
-        @script << script
-        @script << "\n"
-        self
+        @source  = source
       end
 
       def eval(source, options = {})
@@ -22,20 +16,13 @@ module ExecJS
       end
 
       def exec(source, options = {})
-        if options[:pure]
-          source = @script + source
-        else
-          self << source
-          source = @script
-        end
-
-        compile_to_tempfile(source) do |file|
+        compile_to_tempfile([@source, source].join("\n")) do |file|
           extract_result(@runtime.exec_runtime(file.path))
         end
       end
 
       def call(properties, *args)
-        eval "#{properties}.apply(this, #{args.to_json})", :pure => true
+        eval "#{properties}.apply(this, #{args.to_json})"
       end
 
       protected
@@ -81,18 +68,16 @@ module ExecJS
 
     def exec(source)
       context = Context.new(self)
-      context.exec(source, :pure => true)
+      context.exec(source)
     end
 
     def eval(source)
       context = Context.new(self)
-      context.eval(source, :pure => true)
+      context.eval(source)
     end
 
     def compile(source)
-      context = Context.new(self)
-      context.exec(source)
-      context
+      Context.new(self, source)
     end
 
     def available?

lib/execjs/ruby_racer_runtime.rb

@@ -1,8 +1,9 @@
 module ExecJS
   class RubyRacerRuntime
     class Context
-      def initialize
+      def initialize(source = "")
         @v8_context = ::V8::Context.new
+        @v8_context.eval(source)
       end
 
       def exec(source, options = {})
@@ -56,18 +57,16 @@ module ExecJS
 
     def exec(source)
       context = Context.new
-      context.exec(source, :pure => true)
+      context.exec(source)
     end
 
     def eval(source)
       context = Context.new
-      context.eval(source, :pure => true)
+      context.eval(source)
     end
 
     def compile(source)
-      context = Context.new
-      context.exec(source)
-      context
+      Context.new(source)
     end
 
     def available?

lib/execjs/ruby_rhino_runtime.rb

@@ -1,8 +1,9 @@
 module ExecJS
   class RubyRhinoRuntime
     class Context
-      def initialize
+      def initialize(source = "")
         @rhino_context = ::Rhino::Context.new
+        @rhino_context.eval(source)
       end
 
       def exec(source, options = {})
@@ -54,18 +55,16 @@ module ExecJS
 
     def exec(source)
       context = Context.new
-      context.exec(source, :pure => true)
+      context.exec(source)
     end
 
     def eval(source)
       context = Context.new
-      context.eval(source, :pure => true)
+      context.eval(source)
     end
 
     def compile(source)
-      context = Context.new
-      context.exec(source)
-      context
+      Context.new(source)
     end
 
     def available?

test/test_execjs.rb

@@ -24,11 +24,6 @@ class TestExecJS < Test::Unit::TestCase
     assert_equal "bar", context.eval("foo()")
   end
 
-  def test_pure_evaluation
-    context = ExecJS.compile("foo = function() { return \"bar\"; }")
-    assert_equal "bar", context.eval("foo()", :pure => true)
-  end
-
   def test_context_call
     context = ExecJS.compile("id = function(v) { return v; }")
     assert_equal "bar", context.call("id", "bar")