"""
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 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 CFBinaryHeapRef_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.NSUInteger):
if self.sys_params.is_64_bit:
self.sys_params.types_cache.NSUInteger = self.valobj.GetType().GetBasicType(lldb.eBasicTypeUnsignedLong)
else:
self.sys_params.types_cache.NSUInteger = self.valobj.GetType().GetBasicType(lldb.eBasicTypeUnsignedInt)
self.update();
def update(self):
logger = lldb.formatters.Logger.Logger()
self.adjust_for_architecture();
def offset(self):
logger = lldb.formatters.Logger.Logger()
return 2 * self.sys_params.pointer_size
def length(self):
logger = lldb.formatters.Logger.Logger()
size = self.valobj.CreateChildAtOffset("count",
self.offset(),
self.sys_params.types_cache.NSUInteger)
return size.GetValueAsUnsigned(0)
class CFBinaryHeapUnknown_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 length(self):
logger = lldb.formatters.Logger.Logger()
stream = lldb.SBStream()
self.valobj.GetExpressionPath(stream)
num_children_vo = self.valobj.CreateValueFromExpression("count","(int)CFBinaryHeapGetCount(" + stream.GetData() + " )");
if num_children_vo.IsValid():
return num_children_vo.GetValueAsUnsigned(0)
return '<variable is not CFBinaryHeap>'
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()
actual_name = class_data.class_name()
logger >> "name string got was " + str(name_string) + " but actual name is " + str(actual_name)
if class_data.is_cftype():
valobj_type = valobj.GetType()
if valobj_type.IsValid() and valobj_type.IsPointerType():
valobj_type = valobj_type.GetPointeeType()
if valobj_type.IsValid():
actual_name = valobj_type.GetName()
if actual_name == '__CFBinaryHeap':
wrapper = CFBinaryHeapRef_SummaryProvider(valobj, class_data.sys_params)
statistics.metric_hit('code_notrun',valobj)
return wrapper
wrapper = CFBinaryHeapUnknown_SummaryProvider(valobj, class_data.sys_params)
statistics.metric_hit('unknown_class',valobj.GetName() + " seen as " + name_string)
return wrapper;
def CFBinaryHeap_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.length();
except:
summary = None
logger >> "summary got from provider: " + str(summary)
if summary == None:
summary = '<variable is not CFBinaryHeap>'
elif isinstance(summary,basestring):
pass
else:
if provider.sys_params.is_64_bit:
summary = summary & ~0x1fff000000000000
if summary == 1:
return '@"1 item"'
else:
summary = '@"' + str(summary) + ' items"'
return summary
return 'Summary Unavailable'
def __lldb_init_module(debugger,dict):
debugger.HandleCommand("type summary add -F CFBinaryHeap.CFBinaryHeap_SummaryProvider CFBinaryHeapRef")