Remove support for V8 extensions

Author: stesie

README.md

@@ -78,11 +78,10 @@ class V8Js
      * Initializes and starts V8 engine and returns new V8Js object with it's own V8 context.
      * @param string $object_name
      * @param array $variables
-     * @param array $extensions
      * @param bool $report_uncaught_exceptions
      * @param string $snapshot_blob
      */
-    public function __construct($object_name = "PHP", array $variables = [], array $extensions = [], $report_uncaught_exceptions = TRUE, $snapshot_blob = NULL)
+    public function __construct($object_name = "PHP", array $variables = [], $report_uncaught_exceptions = TRUE, $snapshot_blob = NULL)
     {}
 
     /**
@@ -177,30 +176,8 @@ class V8Js
 
     /** Static methods **/
 
-    /**
-     * Registers persistent context independent global Javascript extension.
-     * NOTE! These extensions exist until PHP is shutdown and they need to be registered before V8 is initialized.
-     * For best performance V8 is initialized only once per process thus this call has to be done before any V8Js objects are created!
-     * @param string $extension_name
-     * @param string $code
-     * @param array $dependencies
-     * @param bool $auto_enable
-     * @return bool
-     */
-    public static function registerExtension($extension_name, $code, array $dependencies, $auto_enable = FALSE)
-    {}
-
-    /**
-     * Returns extensions successfully registered with V8Js::registerExtension().
-     * @return array|string[]
-     */
-    public static function getExtensions()
-    {}
-
     /**
      * Creates a custom V8 heap snapshot with the provided JavaScript source embedded.
-     * Snapshots are supported by V8 4.3.7 and higher.  For older versions of V8 this
-     * extension doesn't provide this method.
      * @param string $embed_source
      * @return string|false
      */
@@ -353,15 +330,6 @@ This behaviour can be changed by enabling the php.ini flag `v8js.use_array_acces
 Snapshots
 =========
 
-First of all snapshots are incompatible with extensions. So when you see
-
-    #
-    # Fatal error in ../src/snapshot/startup-serializer.cc, line 122
-    # Check failed: !isolate->has_installed_extensions().
-    #
-
-you need to remove all extension registrations.
-
 First of all [custom startup snapshots](https://v8project.blogspot.de/2015/09/custom-startup-snapshots.html)
 is a feature provided by V8 itself, built on top of it's general heap snapshots feature.  The idea is that, since
 it is quite common to load some JavaScript library prior to any actual work to be done, that this library code

php_v8js_macros.h

@@ -138,7 +138,6 @@ ZEND_EXTERN_MODULE_GLOBALS(v8js)
  *
  *  - whether V8 has been initialized at all
  *  - the V8 backend platform
- *  - loaded extensions
  *  - V8 "command line" flags
  *
  * In a ZTS-enabled environment access to all of these variables must happen
@@ -150,8 +149,6 @@ struct _v8js_process_globals {
 	std::mutex lock;
 #endif
 
-	HashTable *extensions;
-
 	/* V8 command line flags */
 	char *v8_flags;
 

tests/create_snapshot_basic.phpt

@@ -22,7 +22,7 @@ if (strlen($snap) > 0) {
     var_dump("snapshot successfully created");
 }
 
-$v8 = new V8Js('PHP', array(), array(), true, $snap);
+$v8 = new V8Js('PHP', array(), true, $snap);
 $v8->executeString('var_dump(doublify(23));');
 ?>
 ===EOF===

tests/exception_clearing.phpt

@@ -5,7 +5,7 @@ Test V8::executeString() : Exception clearing test
 --FILE--
 <?php
 
-$v8 = new V8Js(null, array(), array(), false);
+$v8 = new V8Js(null, array(), false);
 
 var_dump($v8->getPendingException());
 

tests/exception_propagation_2.phpt

@@ -10,7 +10,7 @@ class Foo {
 
 	public function __construct()
 	{
-		$this->v8 = new V8Js(null, array(), array(), false);
+		$this->v8 = new V8Js(null, array(), false);
 		$this->v8->foo = $this;
 		$this->v8->executeString('fooobar', 'throw_0');
 		var_dump($this->v8->getPendingException());

tests/exception_propagation_3.phpt

@@ -10,7 +10,7 @@ class Foo {
 
 	public function __construct()
 	{
-		$this->v8 = new V8Js(null, array(), array(), false);
+		$this->v8 = new V8Js(null, array(), false);
 		$this->v8->foo = $this;
 		$this->v8->executeString('function foobar() { throw new SyntaxError(); }', 'throw_1');
 		$this->v8->executeString('try { foobar(); } catch (e) { print(e + " caught in JS!\n"); }', 'trycatch1');

tests/extensions_basic.phpt

@@ -12,7 +12,7 @@ $unicode = 'äöüßÜÄÖÜ߀áàâÁÀµ²³▁▂▃▄▅▆▇█ 
 $snapshot = V8Js::createSnapshot("var snapshot = {unicode: '" . $unicode . "'}");
 
 # start V8Js
-$jscript = new V8Js('php', array(), array(), true, $snapshot);
+$jscript = new V8Js('php', array(), true, $snapshot);
 
 # insert unicode via php var
 $jscript->unicode = $unicode;