Rename shiboken2 to shiboken6

Adapt CMake files, build scripts, tests and examples.

Task-number: PYSIDE-904
Change-Id: I4cb5ee4c8df539546014b08202a7b1e98ed3ff07
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>

1 files changed, 216 insertions, 0 deletions

diff --git a/sources/shiboken6/shibokenmodule/files.dir/shibokensupport/signature/lib/enum_sig.py b/sources/shiboken6/shibokenmodule/files.dir/shibokensupport/signature/lib/enum_sig.py
new file mode 100644
index 000000000..371b3ca4a
--- /dev/null
+++ b/sources/shiboken6/shibokenmodule/files.dir/shibokensupport/signature/lib/enum_sig.py
@@ -0,0 +1,216 @@
+#############################################################################
+##
+## Copyright (C) 2020 The Qt Company Ltd.
+## Contact: https://www.qt.io/licensing/
+##
+## This file is part of Qt for Python.
+##
+## $QT_BEGIN_LICENSE:LGPL$
+## Commercial License Usage
+## Licensees holding valid commercial Qt licenses may use this file in
+## accordance with the commercial license agreement provided with the
+## Software or, alternatively, in accordance with the terms contained in
+## a written agreement between you and The Qt Company. For licensing terms
+## and conditions see https://www.qt.io/terms-conditions. For further
+## information use the contact form at https://www.qt.io/contact-us.
+##
+## GNU Lesser General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU Lesser
+## General Public License version 3 as published by the Free Software
+## Foundation and appearing in the file LICENSE.LGPL3 included in the
+## packaging of this file. Please review the following information to
+## ensure the GNU Lesser General Public License version 3 requirements
+## will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+##
+## GNU General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU
+## General Public License version 2.0 or (at your option) the GNU General
+## Public license version 3 or any later version approved by the KDE Free
+## Qt Foundation. The licenses are as published by the Free Software
+## Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+## included in the packaging of this file. Please review the following
+## information to ensure the GNU General Public License requirements will
+## be met: https://www.gnu.org/licenses/gpl-2.0.html and
+## https://www.gnu.org/licenses/gpl-3.0.html.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+from __future__ import print_function, absolute_import
+
+"""
+enum_sig.py
+
+Enumerate all signatures of a class.
+
+This module separates the enumeration process from the formatting.
+It is not easy to adhere to this protocol, but in the end, it paid off
+by producing a lot of clarity.
+"""
+
+import sys
+from shibokensupport.signature import inspect
+from shibokensupport.signature import get_signature
+
+
+class ExactEnumerator(object):
+    """
+    ExactEnumerator enumerates all signatures in a module as they are.
+
+    This class is used for generating complete listings of all signatures.
+    An appropriate formatter should be supplied, if printable output
+    is desired.
+    """
+
+    def __init__(self, formatter, result_type=dict):
+        global EnumType
+        try:
+            # Lazy import
+            from PySide2.QtCore import Qt
+            EnumType = type(Qt.Key)
+        except ImportError:
+            EnumType = None
+
+        self.fmt = formatter
+        self.result_type = result_type
+        self.fmt.level = 0
+        self.fmt.after_enum = self.after_enum
+        self._after_enum = False
+
+    def after_enum(self):
+        ret = self._after_enum
+        self._after_enum = False
+
+    def module(self, mod_name):
+        __import__(mod_name)
+        self.fmt.mod_name = mod_name
+        with self.fmt.module(mod_name):
+            module = sys.modules[mod_name]
+            members = inspect.getmembers(module, inspect.isclass)
+            functions = inspect.getmembers(module, inspect.isroutine)
+            ret = self.result_type()
+            self.fmt.class_name = None
+            for class_name, klass in members:
+                ret.update(self.klass(class_name, klass))
+            if isinstance(klass, EnumType):
+                raise SystemError("implement enum instances at module level")
+            for func_name, func in functions:
+                ret.update(self.function(func_name, func))
+            return ret
+
+    def klass(self, class_name, klass):
+        ret = self.result_type()
+        if "<" in class_name:
+            # This is happening in QtQuick for some reason:
+            ## class QSharedPointer<QQuickItemGrabResult >:
+            # We simply skip over this class.
+            return ret
+        bases_list = []
+        for base in klass.__bases__:
+            name = base.__name__
+            if name not in ("object", "type"):
+                name = base.__module__ + "." + name
+            bases_list.append(name)
+        class_str = "{}({})".format(class_name, ", ".join(bases_list))
+        # class_members = inspect.getmembers(klass)
+        # gives us also the inherited things.
+        class_members = sorted(list(klass.__dict__.items()))
+        subclasses = []
+        functions = []
+        enums = []
+
+        for thing_name, thing in class_members:
+            if inspect.isclass(thing):
+                subclass_name = ".".join((class_name, thing_name))
+                subclasses.append((subclass_name, thing))
+            elif inspect.isroutine(thing):
+                func_name = thing_name.split(".")[0]   # remove ".overload"
+                signature = getattr(thing, "__signature__", None)
+                if signature is not None:
+                    functions.append((func_name, thing))
+            elif type(type(thing)) is EnumType:
+                enums.append((thing_name, thing))
+        init_signature = getattr(klass, "__signature__", None)
+        enums.sort(key=lambda tup: tup[1])  # sort by enum value
+        self.fmt.have_body = bool(subclasses or functions or enums or init_signature)
+
+        with self.fmt.klass(class_name, class_str):
+            self.fmt.level += 1
+            self.fmt.class_name = class_name
+            if hasattr(self.fmt, "enum"):
+                # this is an optional feature
+                for enum_name, value in enums:
+                    with self.fmt.enum(class_name, enum_name, int(value)):
+                        pass
+            for subclass_name, subclass in subclasses:
+                if klass == subclass:
+                    # this is a side effect of the typing module for Python 2.7
+                    # via the "._gorg" property, which we can safely ignore.
+                    print("Warning: {class_name} points to itself via {subclass_name}, skipped!"
+                          .format(**locals()))
+                    continue
+                ret.update(self.klass(subclass_name, subclass))
+                self.fmt.class_name = class_name
+            ret.update(self.function("__init__", klass))
+            for func_name, func in functions:
+                ret.update(self.function(func_name, func))
+            self.fmt.level -= 1
+        return ret
+
+    def function(self, func_name, func):
+        self.fmt.level += 1
+        ret = self.result_type()
+        signature = func.__signature__
+        if signature is not None:
+            with self.fmt.function(func_name, signature, modifier) as key:
+                ret[key] = signature
+        self.fmt.level -= 1
+        return ret
+
+
+def stringify(signature):
+    if isinstance(signature, list):
+        # remove duplicates which still sometimes occour:
+        ret = set(stringify(sig) for sig in signature)
+        return sorted(ret) if len(ret) > 1 else list(ret)[0]
+    return tuple(str(pv) for pv in signature.parameters.values())
+
+
+class SimplifyingEnumerator(ExactEnumerator):
+    """
+    SimplifyingEnumerator enumerates all signatures in a module filtered.
+
+    There are no default values, no variable
+    names and no self parameter. Only types are present after simplification.
+    The functions 'next' resp. '__next__' are removed
+    to make the output identical for Python 2 and 3.
+    An appropriate formatter should be supplied, if printable output
+    is desired.
+    """
+
+    def function(self, func_name, func):
+        ret = self.result_type()
+        signature = get_signature(func, 'existence')
+        sig = stringify(signature) if signature is not None else None
+        if sig is not None and func_name not in ("next", "__next__", "__div__"):
+            with self.fmt.function(func_name, sig) as key:
+                ret[key] = sig
+        return ret
+
+class HintingEnumerator(ExactEnumerator):
+    """
+    HintingEnumerator enumerates all signatures in a module slightly changed.
+
+    This class is used for generating complete listings of all signatures for
+    hinting stubs. Only default values are replaced by "...".
+    """
+
+    def function(self, func_name, func):
+        ret = self.result_type()
+        signature = get_signature(func, 'hintingstub')
+        if signature is not None:
+            with self.fmt.function(func_name, signature) as key:
+                ret[key] = signature
+        return ret
+