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_String_summary(valobj, dict):
  16     if valobj.TypeIsPointerType():
  17         return rtl_String_summary(valobj.Dereference(), dict)
  18
  19     length = valobj.GetChildMemberWithName('length').GetValueAsUnsigned(0)
  20     buffer = valobj.GetChildMemberWithName('buffer')
  21     buffer_ptr = buffer.AddressOf();
  22
  23 #    return '"' + buffer_ptr.GetPointeeData(0, length).GetString(lldb.SBError(), 0) + '"'
  24     return sal_ascii_string(buffer_ptr, length)
  25
  26 def rtl_OString_summary(valobj, dict):
  27     return rtl_String_summary(valobj.GetChildMemberWithName('pData'), dict)
  28
  29 def sal_ascii_string(buffer_ptr, length):
  30     e = lldb.SBError()
  31
  32     s = '"'
  33     i = 0
  34     while i < length:
  35         c = buffer_ptr.GetPointeeData(i, 1).GetUnsignedInt8(e, 0)
  36         if c == ord('"'):                                                                   s = s + '\\"'
  37         elif c == ord('\\'):                                                                s = s + '\\\\'
  38         elif c == ord('\n'):                                                                s = s + '\\n'
  39         elif c == ord('\r'):                                                                s = s + '\\r'
  40         elif c == ord('\t'):
  41             s = s + '\\t'
  42         elif c < ord(' '):
  43             s = s + '\\{:03o}'.format(c)
  44         elif c < 127:
  45             s = s + chr(c)
  46         else:
  47             s = s + '\\u{:04x}'.format(c)
  48         i = i + 1
  49     s = s + '"'
  50
  51     return s
  52
  53 def rtl_uString_summary(valobj, dict):
  54     # print "valobj = " + str(valobj) + ", valobj.GetData() = " + str(valobj.GetData()) + ", valobj.GetTypeName() = " + str(valobj.GetTypeName())
  55
  56     # As we don't use --skip-pointers when doing the "type summary add" for this function,
  57     # the value to be printed might actually be a pointer to a rtl_uString. Weird, huh?
  58     if valobj.TypeIsPointerType():
  59         return rtl_uString_summary(valobj.Dereference(), dict)
  60
  61     length = valobj.GetChildMemberWithName('length').GetValueAsUnsigned(0)
  62     buffer = valobj.GetChildMemberWithName('buffer')
  63
  64     buffer_ptr = buffer.AddressOf();
  65
  66     return sal_unicode_string(buffer_ptr, length)
  67
  68 def rtl_OUString_summary(valobj, dict):
  69     return rtl_uString_summary(valobj.GetChildMemberWithName('pData'), dict)
  70
  71 def sal_unicode_string(buffer_ptr, length):
  72     e = lldb.SBError()
  73
  74     s = '"'
  75     i = 0
  76     while i < length:
  77         c = buffer_ptr.GetPointeeData(i, 1).GetUnsignedInt16(e, 0)
  78         if c == ord('"'):
  79             s = s + '\\"'
  80         elif c == ord('\\'):
  81             s = s + '\\\\'
  82         elif c == ord('\n'):
  83             s = s + '\\n'
  84         elif c == ord('\r'):
  85             s = s + '\\r'
  86         elif c == ord('\t'):
  87             s = s + '\\t'
  88         elif c < ord(' '):
  89             s = s + '\\{:03o}'.format(c)
  90         elif c < 127:
  91             s = s + chr(c)
  92         else:
  93             s = s + '\\u{:04x}'.format(c)
  94         i = i + 1
  95     s = s + '"'
  96
  97     return s
  98
  99 # Automatically install the above summary functions when this is loaded
 100 def __lldb_init_module(debugger, dict):
 101     debugger.HandleCommand("type summary add --skip-references --python-function LO.rtl_String_summary rtl_String")
 102     debugger.HandleCommand("type summary add --skip-pointers --skip-references --python-function LO.rtl_OString_summary rtl::OString")
 103     debugger.HandleCommand("type summary add --skip-references --python-function LO.rtl_uString_summary rtl_uString")
 104     debugger.HandleCommand("type summary add --skip-pointers --skip-references --python-function LO.rtl_OUString_summary rtl::OUString")
 105
 106 # vim:set shiftwidth=4 softtabstop=4 expandtab: