Implement AString

1 files changed, 24 insertions, 0 deletions

diff --git a/src/strings/astring.py b/src/strings/astring.py
new file mode 100644
index 0000000..ec1dafe
--- /dev/null
+++ b/src/strings/astring.py
@@ -0,0 +1,24 @@
+class AString(object):
+    ''' print an AString
+    '''
+    __slots__ = ('_value')
+    name = 'strings::AString'
+    enabled = True
+
+    def __init__(self, value):
+        self._value = value
+
+    def to_string(self):
+        return None
+
+    def children(self):
+        b = self._value['data']
+        s = self._value['special']
+        if s == 255:
+            b = b.cast(gdb.lookup_type('strings::RString').pointer())
+            yield 'allocated', b.dereference()
+        else:
+            b = b.cast(b.type.target().pointer())
+            n = 255
+            d = n - s
+            yield 'contained', b.lazy_string(length=d)