pdepend_php7_coercive_fixes.patch

diff --git a/src/main/php/PDepend/Engine.php b/src/main/php/PDepend/Engine.php
index 6675b21..4efe826 100644
--- a/src/main/php/PDepend/Engine.php
+++ b/src/main/php/PDepend/Engine.php
@@ -213,7 +213,7 @@ class Engine
     {
         $dir = realpath($directory);
 
-        if (!is_dir($dir)) {
+        if (!is_dir((string)$dir)) {
             throw new \InvalidArgumentException("Invalid directory '{$directory}' added.");
         }
 
@@ -230,7 +230,7 @@ class Engine
     {
         $fileName = realpath($file);
 
-        if (!is_file($fileName)) {
+        if (!is_file((string)$fileName)) {
             throw new \InvalidArgumentException(sprintf('The given file "%s" does not exist.', $file));
         }
 
diff --git a/src/main/php/PDepend/Input/ExcludePathFilter.php b/src/main/php/PDepend/Input/ExcludePathFilter.php
index 370ba23..fee28b6 100644
--- a/src/main/php/PDepend/Input/ExcludePathFilter.php
+++ b/src/main/php/PDepend/Input/ExcludePathFilter.php
@@ -118,6 +118,6 @@ class ExcludePathFilter implements Filter
      */
     protected function notRelative($path)
     {
-        return (preg_match($this->relative, $path) === 0);
+        return (preg_match($this->relative, (string)$path) === 0);
     }
 }
diff --git a/src/main/php/PDepend/Input/ExtensionFilter.php b/src/main/php/PDepend/Input/ExtensionFilter.php
index 5451123..1850d85 100644
--- a/src/main/php/PDepend/Input/ExtensionFilter.php
+++ b/src/main/php/PDepend/Input/ExtensionFilter.php
@@ -77,7 +77,7 @@ class ExtensionFilter implements Filter
      */
     public function accept($relative, $absolute)
     {
-        $extension = pathinfo($relative, PATHINFO_EXTENSION);
+        $extension = pathinfo((string)$relative, PATHINFO_EXTENSION);
 
         return in_array($extension, $this->extensions);
     }
diff --git a/src/main/php/PDepend/Report/Jdepend/Chart.php b/src/main/php/PDepend/Report/Jdepend/Chart.php
index ea03fbe..8d48b14 100644
--- a/src/main/php/PDepend/Report/Jdepend/Chart.php
+++ b/src/main/php/PDepend/Report/Jdepend/Chart.php
@@ -196,9 +196,9 @@ class Chart extends AbstractASTVisitor implements CodeAwareGenerator, FileAwareG
 
         foreach ($items as $item) {
             if ($item['distance'] < $bias) {
-                $ellipse = $good->cloneNode(true);
+                $ellipse = $good->cloneNode(1);
             } else {
-                $ellipse = $bad->cloneNode(true);
+                $ellipse = $bad->cloneNode(1);
             }
             $r = 15;
             if ($diff !== 0) {
diff --git a/src/main/php/PDepend/Source/Language/PHP/PHPTokenizerInternal.php b/src/main/php/PDepend/Source/Language/PHP/PHPTokenizerInternal.php
index ac7128b..385a876 100644
--- a/src/main/php/PDepend/Source/Language/PHP/PHPTokenizerInternal.php
+++ b/src/main/php/PDepend/Source/Language/PHP/PHPTokenizerInternal.php
@@ -582,7 +582,7 @@ class PHPTokenizerInternal implements Tokenizer
                     $startColumn += strlen($token[1]);
                 } else {
                     $startColumn = strlen(
-                        substr($token[1], strrpos($token[1], "\n") + 1)
+                        (string)substr($token[1], strrpos($token[1], "\n") + 1)
                     ) + 1;
                 }
 
@@ -638,7 +638,7 @@ class PHPTokenizerInternal implements Tokenizer
                     $startColumn += strlen($image);
                 } else {
                     $startColumn = strlen(
-                        substr($image, strrpos($image, "\n") + 1)
+                        (string)substr($image, strrpos($image, "\n") + 1)
                     ) + 1;
                 }
 
diff --git a/src/main/php/PDepend/TextUI/Runner.php b/src/main/php/PDepend/TextUI/Runner.php
index d34d48f..2e4e09b 100644
--- a/src/main/php/PDepend/TextUI/Runner.php
+++ b/src/main/php/PDepend/TextUI/Runner.php
@@ -317,7 +317,7 @@ class Runner
                 $this->parseErrors[] = $exception->getMessage();
             }
         } catch (\Exception $e) {
-            throw new \RuntimeException($e->getMessage(), self::EXCEPTION_EXIT);
+            throw new \RuntimeException($e->getMessage(), self::EXCEPTION_EXIT, $e);
         }
 
         return self::SUCCESS_EXIT;
diff --git a/src/main/php/PDepend/Util/IdBuilder.php b/src/main/php/PDepend/Util/IdBuilder.php
index 46ab150..febe4f9 100644
--- a/src/main/php/PDepend/Util/IdBuilder.php
+++ b/src/main/php/PDepend/Util/IdBuilder.php
@@ -92,7 +92,7 @@ class IdBuilder
 
         return $this->forOffsetItem(
             $type,
-            ltrim(strrchr(strtolower(get_class($type)), '_'), '_')
+            ltrim((string)strrchr(strtolower(get_class($type)), '_'), '_')
         );
     }
 
@@ -136,7 +136,7 @@ class IdBuilder
      */
     protected function hash($string)
     {
-        return substr(base_convert(md5($string), 16, 36), 0, 11);
+        return substr(base_convert(md5((string)$string), 16, 36), 0, 11);
     }
 
     /**
diff --git a/src/test/php/PDepend/Report/Jdepend/ChartTest.php b/src/test/php/PDepend/Report/Jdepend/ChartTest.php
index 71a15c5..04cfd1e 100644
--- a/src/test/php/PDepend/Report/Jdepend/ChartTest.php
+++ b/src/test/php/PDepend/Report/Jdepend/ChartTest.php
@@ -275,14 +275,14 @@ class ChartTest extends AbstractTest
         $ellipseA = $xpath->query("//s:ellipse[@title='package0']")->item(0);
         $matrixA  = $ellipseA->getAttribute('transform');
         preg_match('/matrix\(([^,]+),([^,]+),([^,]+),([^,]+),([^,]+),([^,]+)\)/', $matrixA, $matches);
-        $this->assertEquals(1, $matches[1]);
-        $this->assertEquals(1, $matches[4]);
+        $this->assertEquals(1, (int)$matches[1]);
+        $this->assertEquals(1, (int)$matches[4]);
 
         $ellipseB = $xpath->query("//s:ellipse[@title='package1']")->item(0);
         $matrixB  = $ellipseB->getAttribute('transform');
         preg_match('/matrix\(([^,]+),([^,]+),([^,]+),([^,]+),([^,]+),([^,]+)\)/', $matrixB, $matches);
-        $this->assertEquals(0.3333333, $matches[1], null, 0.000001);
-        $this->assertEquals(0.3333333, $matches[4], null, 0.000001);
+        $this->assertEquals(0.3333333, (int)$matches[1], null, 0.000001);
+        $this->assertEquals(0.3333333, (int)$matches[4], null, 0.000001);
     }
 
     /**