feat(kitab) Be compatible with PHP 7.0.

composer.json

@@ -12,7 +12,7 @@
         }
     ],
     "require": {
-        "php"              : ">=7.1",
+        "php"              : ">=7.0",
         "atoum/atoum"      : "~3.0",
         "hoa/console"      : "~3.0",
         "hoa/dispatcher"   : "~1.0",

src/Bin/Bin.php

@@ -65,7 +65,7 @@ public static function main()
         self::exitWith($message, $code);
     }
 
-    protected static function setErrorHandler(): void
+    protected static function setErrorHandler()
     {
         Exception\Error::enableErrorHandler();
         Exception::enableUncaughtHandler();

src/Compiler/IntermediateRepresentation/Class_.php

@@ -117,7 +117,7 @@ public function __construct(string $name)
     /**
      * Return all methods declared for this entity.
      */
-    public function getMethods(): iterable
+    public function getMethods(): array
     {
         return $this->methods;
     }

src/Compiler/IntermediateRepresentation/HasMethods.php

@@ -46,5 +46,5 @@ interface HasMethods
     /**
      * Return all methods declared for this entity.
      */
-    public function getMethods(): iterable;
+    public function getMethods(): array;
 }

src/Compiler/IntermediateRepresentation/Interface_.php

@@ -82,7 +82,7 @@ public function __construct(string $name)
     /**
      * Return all methods declared for this entity.
      */
-    public function getMethods(): iterable
+    public function getMethods(): array
     {
         return $this->methods;
     }

src/Compiler/IntermediateRepresentation/Into.php

@@ -94,7 +94,7 @@ public function __construct(string $filename)
      * This method returns nothing because it is called several times by the
      * traverser API. To get the final result, see the `collect` method.
      */
-    public function leaveNode(Node $node): void
+    public function leaveNode(Node $node)
     {
         if ($node instanceof Node\Stmt\Class_) {
             $classNode            = $node;

src/Compiler/IntermediateRepresentation/Trait_.php

@@ -90,7 +90,7 @@ public function __construct(string $name)
     /**
      * Return all methods declared for this entity.
      */
-    public function getMethods(): iterable
+    public function getMethods(): array
     {
         return $this->methods;
     }

src/Compiler/Target/DocTest/DocTest.php

@@ -38,6 +38,7 @@
 
 namespace Kitab\Compiler\Target\DocTest;
 
+use Generator;
 use Hoa\File\Directory;
 use Hoa\File\Write;
 use Kitab\Compiler\IntermediateRepresentation;
@@ -130,7 +131,7 @@ public function assemble(array $symbols)
         return;
     }
 
-    protected function getCodeBlocks(IntermediateRepresentation\Documentation $documentation = null): iterable
+    protected function getCodeBlocks(IntermediateRepresentation\Documentation $documentation = null): Generator
     {
         if (empty($documentation) ||
             empty($documentation->documentation)) {
@@ -142,7 +143,7 @@ protected function getCodeBlocks(IntermediateRepresentation\Documentation $docum
         );
     }
 
-    protected function parseCodeBlocks(CommonMark\Node\NodeWalker $walker): iterable
+    protected function parseCodeBlocks(CommonMark\Node\NodeWalker $walker): Generator
     {
         $hashes = [];
 

src/Compiler/Target/Templater.php

@@ -72,7 +72,7 @@ public function getOutputStream(): Out
         return $this->_out;
     }
 
-    public function getData(): ?StdClass
+    public function getData(): StdClass
     {
         return $this->_data;
     }
@@ -92,7 +92,7 @@ public function render()
         return;
     }
 
-    public function getRouter(): ?Router
+    public function getRouter()
     {
         return $this->_router;
     }