1 files changed, 37 insertions, 0 deletions
diff --git a/src/compat/option.py b/src/compat/option.py
new file mode 100644
index 0000000..a410ac8
--- /dev/null
+++ b/src/compat/option.py
@@ -0,0 +1,37 @@
+class Option(object):
+    __slots__ = ('_value')
+    name = 'tmwa::option::Option'
+    enabled = True
+
+    def __init__(self, value):
+        self._value = value['repr']
+
+    def to_string(self):
+        value = self._value
+        ty = value.type.template_argument(0)
+        try:
+            some = bool(value['_some'])
+        except gdb.error:
+            stupider = value['stupider']
+            if stupider:
+                return 'Some<%s>(%s)' % (ty, stupider)
+            else:
+                return 'None<%s>' % ty
+        else:
+            if some:
+                data = value['_data']
+                data = data.address.cast(ty.pointer()).dereference()
+                return 'Some<%s>(%s)' % (ty, data)
+            else:
+                return 'None<%s>' % ty
+
+    test_extra = '''
+    static int option_borrow_thingy;
+    '''
+
+    tests = [
+            ('tmwa::None<int>()', 'None<int>'),
+            ('tmwa::Some(1)', 'Some<int>(1)'),
+            ('tmwa::Option<tmwa::Borrowed<int>>(tmwa::None)', 'None<tmwa::Borrowed<int>>'),
+            ('tmwa::Some(tmwa::borrow(option_borrow_thingy))', 'regex:Some<tmwa::Borrowed<int>>\(0x[0-9a-f]* <option_borrow_thingy>\)'),
+    ]