solenv/lldb/libreoffice/LO.py

   1 # -*- tab-width: 4; indent-tabs-mode: nil; py-indent-offset: 4 -*-
   2 #
   3 # This file is part of the LibreOffice project.
   4 #
   5 # This Source Code Form is subject to the terms of the Mozilla Public
   6 # License, v. 2.0. If a copy of the MPL was not distributed with this
   7 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8 #
   9
  10 # To use, add something like this to your ~/.lldbinit:
  11 # command script import '~/lo/sim/solenv/lldb/libreoffice/LO.py'
  12
  13 import lldb
  14
  15 def rtl_uString_summary(valobj, dict):
  16     # print "valobj = " + str(valobj) + ", valobj.GetData() = " + str(valobj.GetData()) + ", valobj.GetTypeName() = " + str(valobj.GetTypeName())
  17
  18     # As we don't use --skip-pointers when doing the "type summary add" for this function,
  19     # the value to be printed might actually be a pointer to a rtl_uString. Weird, huh?
  20     if valobj.TypeIsPointerType():
  21         return rtl_uString_summary(valobj.Dereference(), dict)
  22
  23     length = valobj.GetChildMemberWithName('length').GetValueAsUnsigned(0)
  24     buffer = valobj.GetChildMemberWithName('buffer')
  25
  26     buffer_ptr = buffer.AddressOf();
  27
  28     return sal_unicode_string(buffer_ptr, length)
  29
  30 def rtl_OUString_summary(valobj, dict):
  31     return rtl_uString_summary(valobj.GetChildMemberWithName('pData'), dict)
  32
  33 def UniStringData_summary(valobj, dict):
  34     if valobj.TypeIsPointerType():
  35         return UniStringData_summary(valobj.Dereference(), dict)
  36
  37     length = valobj.GetChildMemberWithName('mnLen').GetValueAsUnsigned(0)
  38     buffer = valobj.GetChildMemberWithName('maStr')
  39
  40     buffer_ptr = buffer.AddressOf();
  41
  42     return sal_unicode_string(buffer_ptr, length)
  43
  44 def String_summary(valobj, dict):
  45     return UniStringData_summary(valobj.GetChildMemberWithName('mpData'), dict)
  46
  47 def sal_unicode_string(buffer_ptr, length):
  48     e = lldb.SBError()
  49
  50     s = '"'
  51     i = 0
  52     while i < length:
  53         c = buffer_ptr.GetPointeeData(i, 1).GetUnsignedInt16(e, 0)
  54         if c == ord('"'):
  55             s = s + '\\"'
  56         elif c == ord('\\'):
  57             s = s + '\\\\'
  58         elif c == ord('\n'):
  59             s = s + '\\n'
  60         elif c == ord('\r'):
  61             s = s + '\\r'
  62         elif c == ord('\t'):
  63             s = s + '\\t'
  64         elif c < ord(' '):
  65             s = s + '\\{:03o}'.format(c)
  66         elif c < 127:
  67             s = s + chr(c)
  68         else:
  69             s = s + '\\u{:04x}'.format(c)
  70         i = i + 1
  71     s = s + '"'
  72
  73     return s
  74
  75 # Automatically install the above summary functions when this is loaded
  76 def __lldb_init_module(debugger, dict):
  77     debugger.HandleCommand("type summary add --skip-references --python-function LO.rtl_uString_summary rtl_uString")
  78     debugger.HandleCommand("type summary add --skip-pointers --skip-references --python-function LO.rtl_OUString_summary rtl::OUString")
  79     debugger.HandleCommand("type summary add --skip-references --python-function LO.UniStringData_summary UniStringData")
  80     debugger.HandleCommand("type summary add --skip-pointers --skip-references --python-function LO.String_summary String")
  81
  82 # vim:set shiftwidth=4 softtabstop=4 expandtab: