From dfe0dc2b581ebe80f5a366af2463c9c9fdbff744 Mon Sep 17 00:00:00 2001
From: Nicolas Grekas <nicolas.grekas@gmail.com>
Date: Mon, 5 Jun 2017 20:12:18 +0200
Subject: [PATCH] Use class_exists instead of require to play nice with
 inlining

---
 lib/Twig/BaseNodeVisitor.php      | 4 ++--
 lib/Twig/Compiler.php             | 2 +-
 lib/Twig/Error.php                | 2 +-
 lib/Twig/Extension.php            | 2 +-
 lib/Twig/Extension/Profiler.php   | 2 +-
 lib/Twig/ExtensionInterface.php   | 2 +-
 lib/Twig/Node.php                 | 2 +-
 lib/Twig/NodeVisitorInterface.php | 4 ++--
 lib/Twig/Parser.php               | 4 ++--
 lib/Twig/Test/NodeTestCase.php    | 4 ++--
 lib/Twig/TokenParserInterface.php | 4 ++--
 11 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/lib/Twig/BaseNodeVisitor.php b/lib/Twig/BaseNodeVisitor.php
index fac1ec819..6314dacb2 100644
--- a/lib/Twig/BaseNodeVisitor.php
+++ b/lib/Twig/BaseNodeVisitor.php
@@ -9,8 +9,8 @@
  * file that was distributed with this source code.
  */
 
-require_once __DIR__.'/Environment.php';
-require_once __DIR__.'/Node.php';
+class_exists('Twig_Environment');
+class_exists('Twig_Node');
 
 /**
  * Twig_BaseNodeVisitor can be used to make node visitors compatible with Twig 1.x and 2.x.
diff --git a/lib/Twig/Compiler.php b/lib/Twig/Compiler.php
index 37584f2b0..6c07737c1 100644
--- a/lib/Twig/Compiler.php
+++ b/lib/Twig/Compiler.php
@@ -10,7 +10,7 @@
  * file that was distributed with this source code.
  */
 
-require_once __DIR__.'/Node.php';
+class_exists('Twig_Node');
 
 /**
  * Compiles a node to PHP code.
diff --git a/lib/Twig/Error.php b/lib/Twig/Error.php
index 763a47474..697f5d343 100644
--- a/lib/Twig/Error.php
+++ b/lib/Twig/Error.php
@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-require_once __DIR__.'/Source.php';
+class_exists('Twig_Source');
 
 /**
  * Twig base exception.
diff --git a/lib/Twig/Extension.php b/lib/Twig/Extension.php
index 20a794508..12b08b7a8 100644
--- a/lib/Twig/Extension.php
+++ b/lib/Twig/Extension.php
@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-require_once __DIR__.'/Environment.php';
+class_exists('Twig_Environment');
 
 abstract class Twig_Extension implements Twig_ExtensionInterface
 {
diff --git a/lib/Twig/Extension/Profiler.php b/lib/Twig/Extension/Profiler.php
index 14aaf4eee..20b3063fe 100644
--- a/lib/Twig/Extension/Profiler.php
+++ b/lib/Twig/Extension/Profiler.php
@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-require_once __DIR__.'/../Profiler/Profile.php';
+class_exists('Twig_Profiler_Profile');
 
 class Twig_Extension_Profiler extends Twig_Extension
 {
diff --git a/lib/Twig/ExtensionInterface.php b/lib/Twig/ExtensionInterface.php
index c029a13d2..b74154e86 100644
--- a/lib/Twig/ExtensionInterface.php
+++ b/lib/Twig/ExtensionInterface.php
@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-require_once __DIR__.'/Environment.php';
+class_exists('Twig_Environment');
 
 /**
  * Interface implemented by extension classes.
diff --git a/lib/Twig/Node.php b/lib/Twig/Node.php
index 9251b0839..06b9397bd 100644
--- a/lib/Twig/Node.php
+++ b/lib/Twig/Node.php
@@ -10,7 +10,7 @@
  * file that was distributed with this source code.
  */
 
-require_once __DIR__.'/Compiler.php';
+class_exists('Twig_Compiler');
 
 /**
  * Represents a node in the AST.
diff --git a/lib/Twig/NodeVisitorInterface.php b/lib/Twig/NodeVisitorInterface.php
index 9879b5e5a..4589f0f5a 100644
--- a/lib/Twig/NodeVisitorInterface.php
+++ b/lib/Twig/NodeVisitorInterface.php
@@ -9,8 +9,8 @@
  * file that was distributed with this source code.
  */
 
-require_once __DIR__.'/Environment.php';
-require_once __DIR__.'/Node.php';
+class_exists('Twig_Environment');
+class_exists('Twig_Node');
 
 /**
  * Twig_NodeVisitorInterface is the interface the all node visitor classes must implement.
diff --git a/lib/Twig/Parser.php b/lib/Twig/Parser.php
index d8bb4d2f0..9afce806b 100644
--- a/lib/Twig/Parser.php
+++ b/lib/Twig/Parser.php
@@ -10,8 +10,8 @@
  * file that was distributed with this source code.
  */
 
-require_once __DIR__.'/Node.php';
-require_once __DIR__.'/TokenStream.php';
+class_exists('Twig_Node');
+class_exists('Twig_TokenStream');
 
 /**
  * Default parser implementation.
diff --git a/lib/Twig/Test/NodeTestCase.php b/lib/Twig/Test/NodeTestCase.php
index 35d0686bd..9002c7505 100644
--- a/lib/Twig/Test/NodeTestCase.php
+++ b/lib/Twig/Test/NodeTestCase.php
@@ -9,8 +9,8 @@
  * file that was distributed with this source code.
  */
 
-require_once __DIR__.'/../Environment.php';
-require_once __DIR__.'/../Node.php';
+class_exists('Twig_Environment');
+class_exists('Twig_Node');
 
 use PHPUnit\Framework\TestCase;
 
diff --git a/lib/Twig/TokenParserInterface.php b/lib/Twig/TokenParserInterface.php
index cd559f987..658227edb 100644
--- a/lib/Twig/TokenParserInterface.php
+++ b/lib/Twig/TokenParserInterface.php
@@ -9,8 +9,8 @@
  * file that was distributed with this source code.
  */
 
-require_once __DIR__.'/Parser.php';
-require_once __DIR__.'/Token.php';
+class_exists('Twig_Parser');
+class_exists('Twig_Token');
 
 /**
  * Interface implemented by token parsers.