From 7c245a1779aaaddb37d5138cee35fb6b6bbcdbdf Mon Sep 17 00:00:00 2001
From: Bastian Hofmann <bastian.hofmann@researchgate.net>
Date: Mon, 30 May 2016 13:52:29 +0200
Subject: [PATCH] PHP7: support return types and add more reserved keywords

---
 src/rg/tools/phpnsc/ClassScanner.php      | 16 +++++++++++++++-
 test/rg/tools/phpnsc/ClassScannerTest.php |  5 ++++-
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/rg/tools/phpnsc/ClassScanner.php b/src/rg/tools/phpnsc/ClassScanner.php
index 26806d2..d2c33fa 100644
--- a/src/rg/tools/phpnsc/ClassScanner.php
+++ b/src/rg/tools/phpnsc/ClassScanner.php
@@ -163,7 +163,9 @@ public function getUseStatements($file) {
 
     public function parseUsedEntities($file, $namespace, $fileContent, $originalFileContent) {
         $reservedClassKeywords = array(
-            'parent', 'self', '__class__', 'static', 'array', 'new', 'clone', 'callable'
+            'parent', 'self', '__class__', 'static', 'array', 'new', 'clone',
+            'callable', 'string', 'int', 'float', 'bool', 'resource', 'false', 'true',
+            'null', 'numeric', 'mixed', 'object'
         );
         // new operator
         $this->parseFileWithRegexForUsedEntities($file, $namespace, $fileContent, $originalFileContent, '/\Wnew\s+([a-zA-Z0-9_\\\]+)/i', $this->usedEntities, $reservedClassKeywords);
@@ -173,6 +175,18 @@ public function parseUsedEntities($file, $namespace, $fileContent, $originalFile
         $this->parseFileWithRegexForUsedEntities($file, $namespace, $fileContent, $originalFileContent, '/\W([\$a-zA-Z0-9_\\\]+)::/i', $this->usedEntities, $reservedClassKeywords);
         // Typehints
         $this->parseFileWithRegexForUsedEntities($file, $namespace, $fileContent, $originalFileContent, '/[\,\(]\s*([a-zA-Z0-9_\\\]+)\s+\$[a-zA-Z0-9_]+/i', $this->usedEntities, $reservedClassKeywords);
+
+        // Return Typehints
+        $this->parseFileWithRegexForUsedEntities(
+            $file,
+            $namespace,
+            $fileContent,
+            $originalFileContent,
+            '/\)\s*:\s*([a-zA-Z0-9_\\\]+)\s*\{/i',
+            $this->usedEntities,
+            $reservedClassKeywords
+        );
+
         // implements
         $this->parseFileWithRegexForUsedEntities($file, $namespace, $fileContent, $originalFileContent, '/\simplements\s+([\s,a-zA-Z0-9_\\\]+)\W/i', $this->usedEntities, array(), 1, ',');
         // Instanceof
diff --git a/test/rg/tools/phpnsc/ClassScannerTest.php b/test/rg/tools/phpnsc/ClassScannerTest.php
index 536c441..f9fcffc 100644
--- a/test/rg/tools/phpnsc/ClassScannerTest.php
+++ b/test/rg/tools/phpnsc/ClassScannerTest.php
@@ -185,9 +185,10 @@ abstract    class      ClassTwo   implements Bar
  $foo = new ClassOne(ClassThree::CONSTANT, TypeHintClass  $variable);
 $bar = new ClassTwo;
 $foo = new __CLASS__;
-$xyz = new $variable(NotClassCONSTANT, parent::FOO, self::FOO, static::FOO, array $bar);
+$xyz = new $variable(NotClassCONSTANT, parent::FOO, self::FOO, static::FOO, array $bar, string $blub, int $bat, $float $baz, callable $bar);
 $b = new ClassTwo(ClassTwo::CONSTANT, OutOfNamespace $foo, OtherNamespace $bar, OutOfNamespace::FOO);
 interface   InterfaceTwo
+function foo(ClassFour $bar) : ClassFive {}
 ',
         ];
         $files = array_keys($this->filesystem->filesystem);
@@ -207,6 +208,8 @@ interface   InterfaceTwo
                 'TypeHintClass' => [8],
                 'OtherNamespace' => [12],
                 'Bar' => [3],
+                'ClassFour' => [14],
+                'ClassFive' => [14],
             ],
         ];