Started to work on some magic to extract translateable strings.

composer.json

@@ -6,6 +6,7 @@
     "symfony/translation": "~2.3",
     "symfony/config": "~2.3",
     "swiftmailer/swiftmailer": "~5.0",
-    "guzzle/guzzle": "~3.7"
+    "guzzle/guzzle": "~3.7",
+    "nikic/php-parser": "~0.9"
   }
 }

composer.lock

@@ -3,7 +3,7 @@
         "This file locks the dependencies of your project to a known state",
         "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file"
     ],
-    "hash": "e9bc445899f0e8b6c7b1a68e3106d576",
+    "hash": "ac3725b9d9d876fb79ca80e454872995",
     "packages": [
         {
             "name": "guzzle/guzzle",
@@ -97,6 +97,50 @@
             ],
             "time": "2013-10-02 20:47:00"
         },
+        {
+            "name": "nikic/php-parser",
+            "version": "v0.9.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/nikic/PHP-Parser.git",
+                "reference": "1e5e280ae88a27effa2ae4aa2bd088494ed8594f"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/1e5e280ae88a27effa2ae4aa2bd088494ed8594f",
+                "reference": "1e5e280ae88a27effa2ae4aa2bd088494ed8594f",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.2"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "0.9-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "PHPParser": "lib/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Nikita Popov"
+                }
+            ],
+            "description": "A PHP parser written in PHP",
+            "keywords": [
+                "parser",
+                "php"
+            ],
+            "time": "2013-08-25 17:11:40"
+        },
         {
             "name": "pimple/pimple",
             "version": "v1.0.2",
@@ -821,16 +865,16 @@
         },
         {
             "name": "twig/twig",
-            "version": "v1.14.0",
+            "version": "v1.14.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/fabpot/Twig.git",
-                "reference": "224fc55635d544a2ec8edb3592be18db5a093f59"
+                "reference": "8873d7593ad7c120004f177c0fd01459b383c9cb"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/fabpot/Twig/zipball/224fc55635d544a2ec8edb3592be18db5a093f59",
+                "url": "https://api.github.com/repos/fabpot/Twig/zipball/8873d7593ad7c120004f177c0fd01459b383c9cb",
-                "reference": "224fc55635d544a2ec8edb3592be18db5a093f59",
+                "reference": "8873d7593ad7c120004f177c0fd01459b383c9cb",
                 "shasum": ""
             },
             "require": {
@@ -866,7 +910,7 @@
             "keywords": [
                 "templating"
             ],
-            "time": "2013-10-03 06:41:20"
+            "time": "2013-10-15 19:17:38"
         }
     ],
     "packages-dev": [

extract_strings.php

@@ -0,0 +1,26 @@
+<?php
+require 'vendor/autoload.php';
+
+class MyNodeVisitor extends PHPParser_NodeVisitorAbstract
+{
+    public function enterNode(PHPParser_Node $node) {
+        if ($node instanceof PHPParser_Node_Expr_MethodCall) {
+            if ($node->name == 'trans') {
+                echo $node->args[0]->value->value."\n";
+            }
+        }
+    }
+}
+
+$file = file_get_contents('index.php');
+
+$parser = new PHPParser_Parser(new PHPParser_Lexer);
+$traverser     = new PHPParser_NodeTraverser;
+$traverser->addVisitor(new MyNodeVisitor);
+
+try {
+    $stmts = $parser->parse($file);
+    $stmts = $traverser->traverse($stmts);
+} catch (PHPParser_Error $e) {
+    echo 'Parse Error: ', $e->getMessage();
+}