diff options
Diffstat (limited to 'lldb/examples/summaries/cocoa/NSSet.py')
| -rw-r--r-- | lldb/examples/summaries/cocoa/NSSet.py | 476 |
1 files changed, 251 insertions, 225 deletions
diff --git a/lldb/examples/summaries/cocoa/NSSet.py b/lldb/examples/summaries/cocoa/NSSet.py index 71665db..a6c7768 100644 --- a/lldb/examples/summaries/cocoa/NSSet.py +++ b/lldb/examples/summaries/cocoa/NSSet.py @@ -22,242 +22,268 @@ statistics.add_metric('code_notrun') # despite the similary to synthetic children providers, these classes are not # trying to provide anything but the port number of an NSMachPort, so they need not # obey the interface specification for synthetic children providers + + class NSCFSet_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(); - - # one pointer is the ISA - # then we have one other internal pointer, plus - # 4 bytes worth of flags. hence, these values - def offset(self): - logger = lldb.formatters.Logger.Logger() - if self.sys_params.is_64_bit: - return 20 - else: - return 12 - - def count(self): - logger = lldb.formatters.Logger.Logger() - vcount = self.valobj.CreateChildAtOffset("count", - self.offset(), - self.sys_params.types_cache.NSUInteger) - return vcount.GetValueAsUnsigned(0) + + 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() + + # one pointer is the ISA + # then we have one other internal pointer, plus + # 4 bytes worth of flags. hence, these values + def offset(self): + logger = lldb.formatters.Logger.Logger() + if self.sys_params.is_64_bit: + return 20 + else: + return 12 + + def count(self): + logger = lldb.formatters.Logger.Logger() + vcount = self.valobj.CreateChildAtOffset( + "count", self.offset(), self.sys_params.types_cache.NSUInteger) + return vcount.GetValueAsUnsigned(0) class NSSetUnknown_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 count(self): - logger = lldb.formatters.Logger.Logger() - stream = lldb.SBStream() - self.valobj.GetExpressionPath(stream) - expr = "(int)[" + stream.GetData() + " count]" - num_children_vo = self.valobj.CreateValueFromExpression("count",expr) - if num_children_vo.IsValid(): - return num_children_vo.GetValueAsUnsigned(0) - return '<variable is not NSSet>' + + 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 count(self): + logger = lldb.formatters.Logger.Logger() + stream = lldb.SBStream() + self.valobj.GetExpressionPath(stream) + expr = "(int)[" + stream.GetData() + " count]" + num_children_vo = self.valobj.CreateValueFromExpression("count", expr) + if num_children_vo.IsValid(): + return num_children_vo.GetValueAsUnsigned(0) + return '<variable is not NSSet>' + class NSSetI_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(); - - # we just need to skip the ISA and the count immediately follows - def offset(self): - logger = lldb.formatters.Logger.Logger() - return self.sys_params.pointer_size - - def count(self): - logger = lldb.formatters.Logger.Logger() - num_children_vo = self.valobj.CreateChildAtOffset("count", - self.offset(), - self.sys_params.types_cache.NSUInteger) - value = num_children_vo.GetValueAsUnsigned(0) - if value != None: - # the MSB on immutable sets seems to be taken by some other data - # not sure if it is a bug or some weird sort of feature, but masking it out - # gets the count right (unless, of course, someone's dictionaries grow - # too large - but I have not tested this) - if self.sys_params.is_64_bit: - value = value & ~0xFF00000000000000 - else: - value = value & ~0xFF000000 - return value + + 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() + + # we just need to skip the ISA and the count immediately follows + def offset(self): + logger = lldb.formatters.Logger.Logger() + return self.sys_params.pointer_size + + def count(self): + logger = lldb.formatters.Logger.Logger() + num_children_vo = self.valobj.CreateChildAtOffset( + "count", self.offset(), self.sys_params.types_cache.NSUInteger) + value = num_children_vo.GetValueAsUnsigned(0) + if value is not None: + # the MSB on immutable sets seems to be taken by some other data + # not sure if it is a bug or some weird sort of feature, but masking it out + # gets the count right (unless, of course, someone's dictionaries grow + # too large - but I have not tested this) + if self.sys_params.is_64_bit: + value = value & ~0xFF00000000000000 + else: + value = value & ~0xFF000000 + return value + class NSSetM_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(); - - # we just need to skip the ISA and the count immediately follows - def offset(self): - logger = lldb.formatters.Logger.Logger() - return self.sys_params.pointer_size - - def count(self): - logger = lldb.formatters.Logger.Logger() - num_children_vo = self.valobj.CreateChildAtOffset("count", - self.offset(), - self.sys_params.types_cache.NSUInteger) - return num_children_vo.GetValueAsUnsigned(0) + + 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() + + # we just need to skip the ISA and the count immediately follows + def offset(self): + logger = lldb.formatters.Logger.Logger() + return self.sys_params.pointer_size + + def count(self): + logger = lldb.formatters.Logger.Logger() + num_children_vo = self.valobj.CreateChildAtOffset( + "count", self.offset(), self.sys_params.types_cache.NSUInteger) + return num_children_vo.GetValueAsUnsigned(0) class NSCountedSet_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(); - - # an NSCountedSet is implemented using a CFBag whose pointer just follows the ISA - def offset(self): - logger = lldb.formatters.Logger.Logger() - return self.sys_params.pointer_size - - def count(self): - logger = lldb.formatters.Logger.Logger() - cfbag_vo = self.valobj.CreateChildAtOffset("bag_impl", - self.offset(), - self.sys_params.types_cache.voidptr) - return CFBag.CFBagRef_SummaryProvider(cfbag_vo,self.sys_params).length() + + 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() + + # an NSCountedSet is implemented using a CFBag whose pointer just follows + # the ISA + def offset(self): + logger = lldb.formatters.Logger.Logger() + return self.sys_params.pointer_size + + def count(self): + logger = lldb.formatters.Logger.Logger() + cfbag_vo = self.valobj.CreateChildAtOffset( + "bag_impl", self.offset(), self.sys_params.types_cache.voidptr) + return CFBag.CFBagRef_SummaryProvider( + cfbag_vo, self.sys_params).length() 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 == '__NSCFSet': - wrapper = NSCFSet_SummaryProvider(valobj, class_data.sys_params) - statistics.metric_hit('code_notrun',valobj) - elif name_string == '__NSSetI': - wrapper = NSSetI_SummaryProvider(valobj, class_data.sys_params) - statistics.metric_hit('code_notrun',valobj) - elif name_string == '__NSSetM': - wrapper = NSSetM_SummaryProvider(valobj, class_data.sys_params) - statistics.metric_hit('code_notrun',valobj) - elif name_string == 'NSCountedSet': - wrapper = NSCountedSet_SummaryProvider(valobj, class_data.sys_params) - statistics.metric_hit('code_notrun',valobj) - else: - wrapper = NSSetUnknown_SummaryProvider(valobj, class_data.sys_params) - statistics.metric_hit('unknown_class',valobj.GetName() + " seen as " + name_string) - return wrapper; - - -def NSSet_SummaryProvider (valobj,dict): - logger = lldb.formatters.Logger.Logger() - provider = GetSummary_Impl(valobj); - if provider != None: - try: - summary = provider.count(); - except: - summary = None - if summary == None: - summary = '<variable is not NSSet>' - if isinstance(summary, basestring): - return summary - else: - summary = str(summary) + (' objects' if summary != 1 else ' object') - return summary - return 'Summary Unavailable' - -def NSSet_SummaryProvider2 (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.count(); - except: - summary = None - logger >> "got summary " + str(summary) - # for some reason, one needs to clear some bits for the count returned - # to be correct when using directly CF*SetRef as compared to NS*Set - # this only happens on 64bit, and the bit mask was derived through - # experimentation (if counts start looking weird, then most probably - # the mask needs to be changed) - if summary == None: - summary = '<variable is not CFSet>' - if isinstance(summary, basestring): - return summary - else: - if provider.sys_params.is_64_bit: - summary = summary & ~0x1fff000000000000 - summary = '@"' + str(summary) + (' values"' if summary != 1 else ' value"') - return summary - return 'Summary Unavailable' - - -def __lldb_init_module(debugger,dict): - debugger.HandleCommand("type summary add -F NSSet.NSSet_SummaryProvider NSSet") - debugger.HandleCommand("type summary add -F NSSet.NSSet_SummaryProvider2 CFSetRef CFMutableSetRef") + 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 == '__NSCFSet': + wrapper = NSCFSet_SummaryProvider(valobj, class_data.sys_params) + statistics.metric_hit('code_notrun', valobj) + elif name_string == '__NSSetI': + wrapper = NSSetI_SummaryProvider(valobj, class_data.sys_params) + statistics.metric_hit('code_notrun', valobj) + elif name_string == '__NSSetM': + wrapper = NSSetM_SummaryProvider(valobj, class_data.sys_params) + statistics.metric_hit('code_notrun', valobj) + elif name_string == 'NSCountedSet': + wrapper = NSCountedSet_SummaryProvider(valobj, class_data.sys_params) + statistics.metric_hit('code_notrun', valobj) + else: + wrapper = NSSetUnknown_SummaryProvider(valobj, class_data.sys_params) + statistics.metric_hit( + 'unknown_class', + valobj.GetName() + + " seen as " + + name_string) + return wrapper + + +def NSSet_SummaryProvider(valobj, dict): + logger = lldb.formatters.Logger.Logger() + provider = GetSummary_Impl(valobj) + if provider is not None: + try: + summary = provider.count() + except: + summary = None + if summary is None: + summary = '<variable is not NSSet>' + if isinstance(summary, basestring): + return summary + else: + summary = str(summary) + \ + (' objects' if summary != 1 else ' object') + return summary + return 'Summary Unavailable' + + +def NSSet_SummaryProvider2(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.count() + except: + summary = None + logger >> "got summary " + str(summary) + # for some reason, one needs to clear some bits for the count returned + # to be correct when using directly CF*SetRef as compared to NS*Set + # this only happens on 64bit, and the bit mask was derived through + # experimentation (if counts start looking weird, then most probably + # the mask needs to be changed) + if summary is None: + summary = '<variable is not CFSet>' + if isinstance(summary, basestring): + return summary + else: + if provider.sys_params.is_64_bit: + summary = summary & ~0x1fff000000000000 + summary = '@"' + str(summary) + \ + (' values"' if summary != 1 else ' value"') + return summary + return 'Summary Unavailable' + + +def __lldb_init_module(debugger, dict): + debugger.HandleCommand( + "type summary add -F NSSet.NSSet_SummaryProvider NSSet") + debugger.HandleCommand( + "type summary add -F NSSet.NSSet_SummaryProvider2 CFSetRef CFMutableSetRef") |