New exceptions architecture.

Hoa\Praspel\Exception is now an interface. The root exception is
Hoa\Praspel\Exception\Generic.
We have also added the “Praspel failure” exceptions and the
Hoa\Praspel\Exception\Group exception.

12 files changed, 569 insertions, 11 deletions

diff --git a/Exception/Compiler.php b/Exception/Compiler.php
new file mode 100644
index 0000000..aa376ab
--- /dev/null
+++ b/Exception/Compiler.php
@@ -0,0 +1,62 @@
+<?php
+
+/**
+ * Hoa
+ *
+ *
+ * @license
+ *
+ * New BSD License
+ *
+ * Copyright © 2007-2013, Ivan Enderlin. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the Hoa nor the names of its contributors may be
+ *       used to endorse or promote products derived from this software without
+ *       specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace {
+
+from('Hoa')
+
+/**
+ * \Hoa\Praspel\Exception\Generic
+ */
+-> import('Praspel.Exception.Generic');
+
+}
+
+namespace Hoa\Praspel\Exception {
+
+/**
+ * Class \Hoa\Praspel\Exception\Compiler.
+ *
+ * Extending the \Hoa\Praspel\Exception\Generic class.
+ *
+ * @author     Ivan Enderlin <ivan.enderlin@hoa-project.net>
+ * @copyright  Copyright © 2007-2013 Ivan Enderlin.
+ * @license    New BSD License
+ */
+
+class Compiler extends Generic { }
+
+}
diff --git a/Exception/Exception.php b/Exception/Exception.php
index 9da13cf..146a7ef 100644
--- a/Exception/Exception.php
+++ b/Exception/Exception.php
@@ -37,15 +37,15 @@
 namespace Hoa\Praspel\Exception {
 
 /**
- * Class \Hoa\Praspel\Exception.
+ * Interface \Hoa\Praspel\Exception.
  *
- * Extending the \Hoa\Core\Exception class.
+ * Interface representing Hoa\Praspel exceptions.
  *
  * @author     Ivan Enderlin <ivan.enderlin@hoa-project.net>
  * @copyright  Copyright © 2007-2013 Ivan Enderlin.
  * @license    New BSD License
  */
 
-class Exception extends \Hoa\Core\Exception { }
+interface Exception { }
 
 }
diff --git a/Exception/Failure/Exceptional.php b/Exception/Failure/Exceptional.php
new file mode 100644
index 0000000..0f47c9b
--- /dev/null
+++ b/Exception/Failure/Exceptional.php
@@ -0,0 +1,62 @@
+<?php
+
+/**
+ * Hoa
+ *
+ *
+ * @license
+ *
+ * New BSD License
+ *
+ * Copyright © 2007-2013, Ivan Enderlin. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the Hoa nor the names of its contributors may be
+ *       used to endorse or promote products derived from this software without
+ *       specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace {
+
+from('Hoa')
+
+/**
+ * \Hoa\Praspel\Exception\Failure
+ */
+-> import('Praspel.Exception.Failure.~');
+
+}
+
+namespace Hoa\Praspel\Exception\Failure {
+
+/**
+ * Class \Hoa\Praspel\Exception\Failure\Exceptional.
+ *
+ * Extending the \Hoa\Praspel\Exception\Failure class.
+ *
+ * @author     Ivan Enderlin <ivan.enderlin@hoa-project.net>
+ * @copyright  Copyright © 2007-2013 Ivan Enderlin.
+ * @license    New BSD License
+ */
+
+class Exceptional extends Failure { }
+
+}
diff --git a/Exception/Failure/Failure.php b/Exception/Failure/Failure.php
new file mode 100644
index 0000000..6c4c31d
--- /dev/null
+++ b/Exception/Failure/Failure.php
@@ -0,0 +1,62 @@
+<?php
+
+/**
+ * Hoa
+ *
+ *
+ * @license
+ *
+ * New BSD License
+ *
+ * Copyright © 2007-2013, Ivan Enderlin. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the Hoa nor the names of its contributors may be
+ *       used to endorse or promote products derived from this software without
+ *       specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace {
+
+from('Hoa')
+
+/**
+ * \Hoa\Praspel\Exception\Generic
+ */
+-> import('Praspel.Exception.Generic');
+
+}
+
+namespace Hoa\Praspel\Exception\Failure {
+
+/**
+ * Class \Hoa\Praspel\Exception\Failure.
+ *
+ * Extending the \Hoa\Praspel\Exception\Generic class.
+ *
+ * @author     Ivan Enderlin <ivan.enderlin@hoa-project.net>
+ * @copyright  Copyright © 2007-2013 Ivan Enderlin.
+ * @license    New BSD License
+ */
+
+class Failure extends \Hoa\Praspel\Exception\Generic { }
+
+}
diff --git a/Exception/Failure/InternalPrecondition.php b/Exception/Failure/InternalPrecondition.php
new file mode 100644
index 0000000..b7cda1d
--- /dev/null
+++ b/Exception/Failure/InternalPrecondition.php
@@ -0,0 +1,62 @@
+<?php
+
+/**
+ * Hoa
+ *
+ *
+ * @license
+ *
+ * New BSD License
+ *
+ * Copyright © 2007-2013, Ivan Enderlin. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the Hoa nor the names of its contributors may be
+ *       used to endorse or promote products derived from this software without
+ *       specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace {
+
+from('Hoa')
+
+/**
+ * \Hoa\Praspel\Exception\Failure
+ */
+-> import('Praspel.Exception.Failure.~');
+
+}
+
+namespace Hoa\Praspel\Exception\Failure {
+
+/**
+ * Class \Hoa\Praspel\Exception\Failure\InternalPrecondition.
+ *
+ * Extending the \Hoa\Praspel\Exception\Failure class.
+ *
+ * @author     Ivan Enderlin <ivan.enderlin@hoa-project.net>
+ * @copyright  Copyright © 2007-2013 Ivan Enderlin.
+ * @license    New BSD License
+ */
+
+class InternalPrecondition extends Failure { }
+
+}
diff --git a/Exception/Failure/Invariant.php b/Exception/Failure/Invariant.php
new file mode 100644
index 0000000..22f2e09
--- /dev/null
+++ b/Exception/Failure/Invariant.php
@@ -0,0 +1,62 @@
+<?php
+
+/**
+ * Hoa
+ *
+ *
+ * @license
+ *
+ * New BSD License
+ *
+ * Copyright © 2007-2013, Ivan Enderlin. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the Hoa nor the names of its contributors may be
+ *       used to endorse or promote products derived from this software without
+ *       specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace {
+
+from('Hoa')
+
+/**
+ * \Hoa\Praspel\Exception\Failure
+ */
+-> import('Praspel.Exception.Failure.~');
+
+}
+
+namespace Hoa\Praspel\Exception\Failure {
+
+/**
+ * Class \Hoa\Praspel\Exception\Failure\Invariant.
+ *
+ * Extending the \Hoa\Praspel\Exception\Failure class.
+ *
+ * @author     Ivan Enderlin <ivan.enderlin@hoa-project.net>
+ * @copyright  Copyright © 2007-2013 Ivan Enderlin.
+ * @license    New BSD License
+ */
+
+class Invariant extends Failure { }
+
+}
diff --git a/Exception/Failure/Postcondition.php b/Exception/Failure/Postcondition.php
new file mode 100644
index 0000000..71e9e41
--- /dev/null
+++ b/Exception/Failure/Postcondition.php
@@ -0,0 +1,62 @@
+<?php
+
+/**
+ * Hoa
+ *
+ *
+ * @license
+ *
+ * New BSD License
+ *
+ * Copyright © 2007-2013, Ivan Enderlin. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the Hoa nor the names of its contributors may be
+ *       used to endorse or promote products derived from this software without
+ *       specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace {
+
+from('Hoa')
+
+/**
+ * \Hoa\Praspel\Exception\Failure
+ */
+-> import('Praspel.Exception.Failure.~');
+
+}
+
+namespace Hoa\Praspel\Exception\Failure {
+
+/**
+ * Class \Hoa\Praspel\Exception\Failure\Postcondition.
+ *
+ * Extending the \Hoa\Praspel\Exception\Failure class.
+ *
+ * @author     Ivan Enderlin <ivan.enderlin@hoa-project.net>
+ * @copyright  Copyright © 2007-2013 Ivan Enderlin.
+ * @license    New BSD License
+ */
+
+class Postcondition extends Failure { }
+
+}
diff --git a/Exception/Failure/Precondition.php b/Exception/Failure/Precondition.php
new file mode 100644
index 0000000..0f12071
--- /dev/null
+++ b/Exception/Failure/Precondition.php
@@ -0,0 +1,62 @@
+<?php
+
+/**
+ * Hoa
+ *
+ *
+ * @license
+ *
+ * New BSD License
+ *
+ * Copyright © 2007-2013, Ivan Enderlin. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the Hoa nor the names of its contributors may be
+ *       used to endorse or promote products derived from this software without
+ *       specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace {
+
+from('Hoa')
+
+/**
+ * \Hoa\Praspel\Exception\Failure
+ */
+-> import('Praspel.Exception.Failure.~');
+
+}
+
+namespace Hoa\Praspel\Exception\Failure {
+
+/**
+ * Class \Hoa\Praspel\Exception\Failure\Precondition.
+ *
+ * Extending the \Hoa\Praspel\Exception\Failure class.
+ *
+ * @author     Ivan Enderlin <ivan.enderlin@hoa-project.net>
+ * @copyright  Copyright © 2007-2013 Ivan Enderlin.
+ * @license    New BSD License
+ */
+
+class Precondition extends Failure { }
+
+}
diff --git a/Exception/Generic.php b/Exception/Generic.php
new file mode 100644
index 0000000..10ae232
--- /dev/null
+++ b/Exception/Generic.php
@@ -0,0 +1,62 @@
+<?php
+
+/**
+ * Hoa
+ *
+ *
+ * @license
+ *
+ * New BSD License
+ *
+ * Copyright © 2007-2013, Ivan Enderlin. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the Hoa nor the names of its contributors may be
+ *       used to endorse or promote products derived from this software without
+ *       specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace {
+
+from('Hoa')
+
+/**
+ * \Hoa\Praspel\Exception
+ */
+-> import('Praspel.Exception.~');
+
+}
+
+namespace Hoa\Praspel\Exception {
+
+/**
+ * Class \Hoa\Praspel\Exception\Generic.
+ *
+ * Extending the \Hoa\Core\Exception class.
+ *
+ * @author     Ivan Enderlin <ivan.enderlin@hoa-project.net>
+ * @copyright  Copyright © 2007-2013 Ivan Enderlin.
+ * @license    New BSD License
+ */
+
+class Generic extends \Hoa\Core\Exception implements Exception { }
+
+}
diff --git a/Exception/Group.php b/Exception/Group.php
new file mode 100644
index 0000000..00536e1
--- /dev/null
+++ b/Exception/Group.php
@@ -0,0 +1,62 @@
+<?php
+
+/**
+ * Hoa
+ *
+ *
+ * @license
+ *
+ * New BSD License
+ *
+ * Copyright © 2007-2013, Ivan Enderlin. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the Hoa nor the names of its contributors may be
+ *       used to endorse or promote products derived from this software without
+ *       specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace {
+
+from('Hoa')
+
+/**
+ * \Hoa\Praspel\Exception
+ */
+-> import('Praspel.Exception.~');
+
+}
+
+namespace Hoa\Praspel\Exception {
+
+/**
+ * Class \Hoa\Praspel\Exception\Generic.
+ *
+ * Extending the \Hoa\Core\Exception\Group class.
+ *
+ * @author     Ivan Enderlin <ivan.enderlin@hoa-project.net>
+ * @copyright  Copyright © 2007-2013 Ivan Enderlin.
+ * @license    New BSD License
+ */
+
+class Group extends \Hoa\Core\Exception\Group implements Exception { }
+
+}
diff --git a/Exception/Interpreter.php b/Exception/Interpreter.php
index bcbd9ba..f54afe0 100644
--- a/Exception/Interpreter.php
+++ b/Exception/Interpreter.php
@@ -39,9 +39,9 @@ namespace {
 from('Hoa')
 
 /**
- * \Hoa\Praspel\Exception
+ * \Hoa\Praspel\Exception\Generic
  */
--> import('Praspel.Exception.~');
+-> import('Praspel.Exception.Generic');
 
 }
 
@@ -50,13 +50,13 @@ namespace Hoa\Praspel\Exception {
 /**
  * Class \Hoa\Praspel\Exception\Interpreter.
  *
- * Extending the \Hoa\Praspel\Exception class.
+ * Extending the \Hoa\Praspel\Exception\Generic class.
  *
  * @author     Ivan Enderlin <ivan.enderlin@hoa-project.net>
  * @copyright  Copyright © 2007-2013 Ivan Enderlin.
  * @license    New BSD License
  */
 
-class Interpreter extends Exception { }
+class Interpreter extends Generic { }
 
 }
diff --git a/Exception/Model.php b/Exception/Model.php
index c47bd29..1ec95da 100644
--- a/Exception/Model.php
+++ b/Exception/Model.php
@@ -39,9 +39,9 @@ namespace {
 from('Hoa')
 
 /**
- * \Hoa\Praspel\Exception
+ * \Hoa\Praspel\Exception\Generic
  */
--> import('Praspel.Exception.~');
+-> import('Praspel.Exception.Generic');
 
 }
 
@@ -50,13 +50,13 @@ namespace Hoa\Praspel\Exception {
 /**
  * Class \Hoa\Praspel\Exception\Model.
  *
- * Extending the \Hoa\Praspel\Exception class.
+ * Extending the \Hoa\Praspel\Exception\Generic class.
  *
  * @author     Ivan Enderlin <ivan.enderlin@hoa-project.net>
  * @copyright  Copyright © 2007-2013 Ivan Enderlin.
  * @license    New BSD License
  */
 
-class Model extends Exception { }
+class Model extends Generic { }
 
 }