127 lines
3.9 KiB
Python
127 lines
3.9 KiB
Python
"""
|
|
LLDB AppKit formatters
|
|
|
|
part of The LLVM Compiler Infrastructure
|
|
This file is distributed under the University of Illinois Open Source
|
|
License. See LICENSE.TXT for details.
|
|
"""
|
|
# example summary provider for NSNotification
|
|
# the real summary is now C++ code built into LLDB
|
|
import lldb.runtime.objc.objc_runtime
|
|
import lldb.formatters.metrics
|
|
import CFString
|
|
import lldb
|
|
import lldb.formatters.Logger
|
|
|
|
statistics = lldb.formatters.metrics.Metrics()
|
|
statistics.add_metric('invalid_isa')
|
|
statistics.add_metric('invalid_pointer')
|
|
statistics.add_metric('unknown_class')
|
|
statistics.add_metric('code_notrun')
|
|
|
|
|
|
class NSConcreteNotification_SummaryProvider:
|
|
|
|
def adjust_for_architecture(self):
|
|
pass
|
|
|
|
def __init__(self, valobj, params):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
self.valobj = valobj
|
|
self.sys_params = params
|
|
if not (self.sys_params.types_cache.id):
|
|
self.sys_params.types_cache.id = self.valobj.GetType(
|
|
).GetBasicType(lldb.eBasicTypeObjCID)
|
|
self.update()
|
|
|
|
def update(self):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
self.adjust_for_architecture()
|
|
|
|
# skip the ISA and go to the name pointer
|
|
def offset(self):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
return self.sys_params.pointer_size
|
|
|
|
def name(self):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
string_ptr = self.valobj.CreateChildAtOffset(
|
|
"name", self.offset(), self.sys_params.types_cache.id)
|
|
return CFString.CFString_SummaryProvider(string_ptr, None)
|
|
|
|
|
|
class NSNotificationUnknown_SummaryProvider:
|
|
|
|
def adjust_for_architecture(self):
|
|
pass
|
|
|
|
def __init__(self, valobj, params):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
self.valobj = valobj
|
|
self.sys_params = params
|
|
self.update()
|
|
|
|
def update(self):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
self.adjust_for_architecture()
|
|
|
|
def name(self):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
stream = lldb.SBStream()
|
|
self.valobj.GetExpressionPath(stream)
|
|
name_vo = self.valobj.CreateValueFromExpression(
|
|
"name", "(NSString*)[" + stream.GetData() + " name]")
|
|
if name_vo.IsValid():
|
|
return CFString.CFString_SummaryProvider(name_vo, None)
|
|
return '<variable is not NSNotification>'
|
|
|
|
|
|
def GetSummary_Impl(valobj):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
global statistics
|
|
class_data, wrapper = lldb.runtime.objc.objc_runtime.Utilities.prepare_class_detection(
|
|
valobj, statistics)
|
|
if wrapper:
|
|
return wrapper
|
|
|
|
name_string = class_data.class_name()
|
|
logger >> "class name is: " + str(name_string)
|
|
|
|
if name_string == 'NSConcreteNotification':
|
|
wrapper = NSConcreteNotification_SummaryProvider(
|
|
valobj, class_data.sys_params)
|
|
statistics.metric_hit('code_notrun', valobj)
|
|
else:
|
|
wrapper = NSNotificationUnknown_SummaryProvider(
|
|
valobj, class_data.sys_params)
|
|
statistics.metric_hit(
|
|
'unknown_class',
|
|
valobj.GetName() +
|
|
" seen as " +
|
|
name_string)
|
|
return wrapper
|
|
|
|
|
|
def NSNotification_SummaryProvider(valobj, dict):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
provider = GetSummary_Impl(valobj)
|
|
if provider is not None:
|
|
if isinstance(
|
|
provider,
|
|
lldb.runtime.objc.objc_runtime.SpecialSituation_Description):
|
|
return provider.message()
|
|
try:
|
|
summary = provider.name()
|
|
except:
|
|
summary = None
|
|
logger >> "got summary " + str(summary)
|
|
if summary is None:
|
|
summary = '<variable is not NSNotification>'
|
|
return str(summary)
|
|
return 'Summary Unavailable'
|
|
|
|
|
|
def __lldb_init_module(debugger, dict):
|
|
debugger.HandleCommand(
|
|
"type summary add -F NSNotification.NSNotification_SummaryProvider NSNotification")
|