forked from OSchip/llvm-project
269 lines
8.7 KiB
Python
269 lines
8.7 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.
|
|
"""
|
|
# summary provider for NSDate
|
|
import lldb
|
|
import ctypes
|
|
import lldb.runtime.objc.objc_runtime
|
|
import lldb.formatters.metrics
|
|
import struct
|
|
import time
|
|
import datetime
|
|
import CFString
|
|
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')
|
|
|
|
# Python promises to start counting time at midnight on Jan 1st on the epoch year
|
|
# hence, all we need to know is the epoch year
|
|
python_epoch = time.gmtime(0).tm_year
|
|
|
|
osx_epoch = datetime.date(2001,1,1).timetuple()
|
|
|
|
def mkgmtime(t):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
return time.mktime(t)-time.timezone
|
|
|
|
osx_epoch = mkgmtime(osx_epoch)
|
|
|
|
def osx_to_python_time(osx):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
if python_epoch <= 2001:
|
|
return osx + osx_epoch
|
|
else:
|
|
return osx - osx_epoch
|
|
|
|
# represent a struct_time as a string in the format used by Xcode
|
|
def xcode_format_time(X):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
return time.strftime('%Y-%m-%d %H:%M:%S %Z',X)
|
|
|
|
# represent a count-since-epoch as a string in the format used by Xcode
|
|
def xcode_format_count(X):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
return xcode_format_time(time.localtime(X))
|
|
|
|
# despite the similary to synthetic children providers, these classes are not
|
|
# trying to provide anything but the summary for NSDate, so they need not
|
|
# obey the interface specification for synthetic children providers
|
|
class NSTaggedDate_SummaryProvider:
|
|
def adjust_for_architecture(self):
|
|
pass
|
|
|
|
def __init__(self, valobj, info_bits, data, params):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
self.valobj = valobj;
|
|
self.sys_params = params
|
|
self.update();
|
|
# NSDate is not using its info_bits for info like NSNumber is
|
|
# so we need to regroup info_bits and data
|
|
self.data = ((data << 8) | (info_bits << 4))
|
|
|
|
def update(self):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
self.adjust_for_architecture();
|
|
|
|
def value(self):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
# the value of the date-time object is wrapped into the pointer value
|
|
# unfortunately, it is made as a time-delta after Jan 1 2001 midnight GMT
|
|
# while all Python knows about is the "epoch", which is a platform-dependent
|
|
# year (1970 of *nix) whose Jan 1 at midnight is taken as reference
|
|
value_double = struct.unpack('d', struct.pack('Q', self.data))[0]
|
|
if value_double == -63114076800.0:
|
|
return '0001-12-30 00:00:00 +0000'
|
|
return xcode_format_count(osx_to_python_time(value_double))
|
|
|
|
|
|
class NSUntaggedDate_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.double):
|
|
self.sys_params.types_cache.double = self.valobj.GetType().GetBasicType(lldb.eBasicTypeDouble)
|
|
self.update()
|
|
|
|
def update(self):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
self.adjust_for_architecture();
|
|
|
|
def offset(self):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
return self.sys_params.pointer_size
|
|
|
|
def value(self):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
value = self.valobj.CreateChildAtOffset("value",
|
|
self.offset(),
|
|
self.sys_params.types_cache.double)
|
|
value_double = struct.unpack('d', struct.pack('Q', value.GetData().uint64[0]))[0]
|
|
if value_double == -63114076800.0:
|
|
return '0001-12-30 00:00:00 +0000'
|
|
return xcode_format_count(osx_to_python_time(value_double))
|
|
|
|
class NSCalendarDate_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.double):
|
|
self.sys_params.types_cache.double = self.valobj.GetType().GetBasicType(lldb.eBasicTypeDouble)
|
|
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 value(self):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
value = self.valobj.CreateChildAtOffset("value",
|
|
self.offset(),
|
|
self.sys_params.types_cache.double)
|
|
value_double = struct.unpack('d', struct.pack('Q', value.GetData().uint64[0]))[0]
|
|
return xcode_format_count(osx_to_python_time(value_double))
|
|
|
|
class NSTimeZoneClass_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.voidptr):
|
|
self.sys_params.types_cache.voidptr = self.valobj.GetType().GetBasicType(lldb.eBasicTypeVoid).GetPointerType()
|
|
self.update()
|
|
|
|
def update(self):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
self.adjust_for_architecture();
|
|
|
|
def offset(self):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
return self.sys_params.pointer_size
|
|
|
|
def timezone(self):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
tz_string = self.valobj.CreateChildAtOffset("tz_name",
|
|
self.offset(),
|
|
self.sys_params.types_cache.voidptr)
|
|
return CFString.CFString_SummaryProvider(tz_string,None)
|
|
|
|
class NSUnknownDate_SummaryProvider:
|
|
def adjust_for_architecture(self):
|
|
pass
|
|
|
|
def __init__(self, valobj):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
self.valobj = valobj;
|
|
self.update()
|
|
|
|
def update(self):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
self.adjust_for_architecture();
|
|
|
|
def value(self):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
stream = lldb.SBStream()
|
|
self.valobj.GetExpressionPath(stream)
|
|
expr = "(NSString*)[" + stream.GetData() + " description]"
|
|
num_children_vo = self.valobj.CreateValueFromExpression("str",expr);
|
|
if num_children_vo.IsValid():
|
|
return num_children_vo.GetSummary()
|
|
return '<variable is not NSDate>'
|
|
|
|
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 == 'NSDate' or name_string == '__NSDate' or name_string == '__NSTaggedDate':
|
|
if class_data.is_tagged():
|
|
wrapper = NSTaggedDate_SummaryProvider(valobj,class_data.info_bits(),class_data.value(), class_data.sys_params)
|
|
statistics.metric_hit('code_notrun',valobj)
|
|
else:
|
|
wrapper = NSUntaggedDate_SummaryProvider(valobj, class_data.sys_params)
|
|
statistics.metric_hit('code_notrun',valobj)
|
|
elif name_string == 'NSCalendarDate':
|
|
wrapper = NSCalendarDate_SummaryProvider(valobj, class_data.sys_params)
|
|
statistics.metric_hit('code_notrun',valobj)
|
|
elif name_string == '__NSTimeZone':
|
|
wrapper = NSTimeZoneClass_SummaryProvider(valobj, class_data.sys_params)
|
|
statistics.metric_hit('code_notrun',valobj)
|
|
else:
|
|
wrapper = NSUnknownDate_SummaryProvider(valobj)
|
|
statistics.metric_hit('unknown_class',valobj.GetName() + " seen as " + name_string)
|
|
return wrapper;
|
|
|
|
|
|
def NSDate_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.value();
|
|
except:
|
|
summary = None
|
|
if summary == None:
|
|
summary = '<variable is not NSDate>'
|
|
return str(summary)
|
|
return 'Summary Unavailable'
|
|
|
|
def NSTimeZone_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.timezone();
|
|
except:
|
|
summary = None
|
|
logger >> "got summary " + str(summary)
|
|
if summary == None:
|
|
summary = '<variable is not NSTimeZone>'
|
|
return str(summary)
|
|
return 'Summary Unavailable'
|
|
|
|
|
|
def CFAbsoluteTime_SummaryProvider (valobj,dict):
|
|
logger = lldb.formatters.Logger.Logger()
|
|
try:
|
|
value_double = struct.unpack('d', struct.pack('Q', valobj.GetData().uint64[0]))[0]
|
|
return xcode_format_count(osx_to_python_time(value_double))
|
|
except:
|
|
return 'Summary Unavailable'
|
|
|
|
|
|
def __lldb_init_module(debugger,dict):
|
|
debugger.HandleCommand("type summary add -F NSDate.NSDate_SummaryProvider NSDate")
|
|
debugger.HandleCommand("type summary add -F NSDate.CFAbsoluteTime_SummaryProvider CFAbsoluteTime")
|
|
debugger.HandleCommand("type summary add -F NSDate.NSTimeZone_SummaryProvider NSTimeZone CFTimeZoneRef")
|
|
|