add a custom printer for wxString to use with Python-enabled gdb

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57837 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

misc/gdb/print.py

@@ -0,0 +1,21 @@
+###############################################################################
+# Name:         misc/gdb/print.py
+# Purpose:      pretty-printers for wx data structures: this file is meant to
+#               be sourced from gdb using "source -p" (or, better, autoloaded
+#               in the future...)
+# Author:       Vadim Zeitlin
+# Created:      2009-01-04
+# RCS-Id:       $Id:$
+# Copyright:    (c) 2009 Vadim Zeitlin
+# License:      wxWindows licence
+###############################################################################
+
+# shamelessly stolen from std::string example
+class wxStringPrinter:
+    def __init__(self, val):
+        self.val = val
+
+    def to_string(self):
+        return '"' + self.val['m_impl']['_M_dataplus']['_M_p'].string() + '"'
+
+gdb.pretty_printers['^wxString$'] = wxStringPrinter