"""
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.
"""
import lldb
import ctypes
import lldb.runtime.objc.objc_runtime
import lldb.formatters.metrics
import NSURL
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 NSBundleKnown_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.NSString):
self.sys_params.types_cache.NSString = self.valobj.GetTarget().FindFirstType('NSString').GetPointerType()
self.update();
def update(self):
logger = lldb.formatters.Logger.Logger()
self.adjust_for_architecture();
def offset(self):
logger = lldb.formatters.Logger.Logger()
return 5 * self.sys_params.pointer_size
def url_text(self):
logger = lldb.formatters.Logger.Logger()
global statistics
text = self.valobj.CreateChildAtOffset("text",
self.offset(),
self.sys_params.types_cache.NSString)
my_string = text.GetSummary()
if (my_string == None) or (my_string == ''):
statistics.metric_hit('unknown_class',str(self.valobj.GetName()) + " triggered unkown pointer location")
return NSBundleUnknown_SummaryProvider(self.valobj, self.sys_params).url_text()
else:
statistics.metric_hit('code_notrun',self.valobj)
return my_string
class NSBundleUnknown_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 url_text(self):
logger = lldb.formatters.Logger.Logger()
stream = lldb.SBStream()
self.valobj.GetExpressionPath(stream)
expr = "(NSString*)[" + stream.GetData() + " bundlePath]"
url_text_vo = self.valobj.CreateValueFromExpression("path",expr);
if url_text_vo.IsValid():
return url_text_vo.GetSummary()
return '<variable is not NSBundle>'
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 == 'NSBundle':
wrapper = NSBundleKnown_SummaryProvider(valobj, class_data.sys_params)
else:
wrapper = NSBundleUnknown_SummaryProvider(valobj, class_data.sys_params)
statistics.metric_hit('unknown_class',valobj.GetName() + " seen as " + name_string)
return wrapper;
def NSBundle_SummaryProvider (valobj,dict):
logger = lldb.formatters.Logger.Logger()
provider = GetSummary_Impl(valobj);
if provider != None:
if isinstance(provider,lldb.runtime.objc.objc_runtime.SpecialSituation_Description):
return provider.message()
try:
summary = provider.url_text();
except:
summary = None
logger >> "got summary " + str(summary)
if summary == None or summary == '':
summary = '<variable is not NSBundle>'
return summary
return 'Summary Unavailable'
def __lldb_init_module(debugger,dict):
debugger.HandleCommand("type summary add -F NSBundle.NSBundle_SummaryProvider NSBundle")