unicode_strings.py [plain text]
"""
Example data formatters for strings represented as (pointer,length) pairs
encoded in UTF8/16/32 for use with the LLDB debugger
To use in your projects, tweak the children names as appropriate for your data structures
and use as summaries for your data types
part of The LLVM Compiler Infrastructure
This file is distributed under the University of Illinois Open Source
License. See LICENSE.TXT for details.
"""
import lldb
def utf8_summary(value,unused):
pointer = value.GetChildMemberWithName("first").GetValueAsUnsigned(0)
length = value.GetChildMemberWithName("second").GetValueAsUnsigned(0)
if pointer == 0:
return False
if length == 0:
return '""'
error = lldb.SBError()
string_data = value.process.ReadMemory(pointer, length, error)
return '"%s"' % (string_data)
def utf16_summary(value,unused):
pointer = value.GetChildMemberWithName("first").GetValueAsUnsigned(0)
length = value.GetChildMemberWithName("second").GetValueAsUnsigned(0)
if pointer == 0:
return False
if length == 0:
return '""'
error = lldb.SBError()
string_data = value.process.ReadMemory(pointer, length, error)
return '"%s"' % (string_data.decode('utf-16').encode('utf-8'))
def utf32_summary(value,unused):
pointer = value.GetChildMemberWithName("first").GetValueAsUnsigned(0)
length = value.GetChildMemberWithName("second").GetValueAsUnsigned(0)
if pointer == 0:
return False
if length == 0:
return '""'
error = lldb.SBError()
string_data = value.process.ReadMemory(pointer, length, error)
return '"%s"' % (string_data.decode('utf-32').encode('utf-8'))