diff options
Diffstat (limited to 'lldb/examples/summaries/cocoa/CFDictionary.py')
| -rw-r--r-- | lldb/examples/summaries/cocoa/CFDictionary.py | 421 |
1 files changed, 225 insertions, 196 deletions
diff --git a/lldb/examples/summaries/cocoa/CFDictionary.py b/lldb/examples/summaries/cocoa/CFDictionary.py index 061f5c5..92d8048 100644 --- a/lldb/examples/summaries/cocoa/CFDictionary.py +++ b/lldb/examples/summaries/cocoa/CFDictionary.py @@ -22,213 +22,242 @@ statistics.add_metric('code_notrun') # despite the similary to synthetic children providers, these classes are not # trying to provide anything but the count for an NSDictionary, so they need not # obey the interface specification for synthetic children providers + + class NSCFDictionary_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(); - - # empirically determined on both 32 and 64bit desktop Mac OS X - # probably boils down to 2 pointers and 4 bytes of data, but - # the description of __CFDictionary is not readily available so most - # of this is guesswork, plain and simple - def offset(self): - logger = lldb.formatters.Logger.Logger() - if self.sys_params.is_64_bit: - return 20 - else: - return 12 - - def num_children(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() + + # empirically determined on both 32 and 64bit desktop Mac OS X + # probably boils down to 2 pointers and 4 bytes of data, but + # the description of __CFDictionary is not readily available so most + # of this is guesswork, plain and simple + def offset(self): + logger = lldb.formatters.Logger.Logger() + if self.sys_params.is_64_bit: + return 20 + else: + return 12 + + def num_children(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 NSDictionaryI_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 num_children(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 MS6bits on immutable dictionaries seem to be taken by the LSB of capacity - # not sure if it is a bug or some weird sort of feature, but masking that out - # gets the count right - if self.sys_params.is_64_bit: - value = value & ~0xFC00000000000000 - else: - value = value & ~0xFC000000 - 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 num_children(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 MS6bits on immutable dictionaries seem to be taken by the LSB of capacity + # not sure if it is a bug or some weird sort of feature, but masking that out + # gets the count right + if self.sys_params.is_64_bit: + value = value & ~0xFC00000000000000 + else: + value = value & ~0xFC000000 + return value + class NSDictionaryM_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): - return self.sys_params.pointer_size - - def num_children(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 MS6bits on immutable dictionaries seem to be taken by the LSB of capacity - # not sure if it is a bug or some weird sort of feature, but masking that out - # gets the count right - if self.sys_params.is_64_bit: - value = value & ~0xFC00000000000000 - else: - value = value & ~0xFC000000 - 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): + return self.sys_params.pointer_size + + def num_children(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 MS6bits on immutable dictionaries seem to be taken by the LSB of capacity + # not sure if it is a bug or some weird sort of feature, but masking that out + # gets the count right + if self.sys_params.is_64_bit: + value = value & ~0xFC00000000000000 + else: + value = value & ~0xFC000000 + return value + class NSDictionaryUnknown_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 adjust_for_architecture(self): + pass - def update(self): - logger = lldb.formatters.Logger.Logger() - self.adjust_for_architecture(); + def __init__(self, valobj, params): + logger = lldb.formatters.Logger.Logger() + self.valobj = valobj + self.sys_params = params + self.update() - def num_children(self): - logger = lldb.formatters.Logger.Logger() - stream = lldb.SBStream() - self.valobj.GetExpressionPath(stream) - num_children_vo = self.valobj.CreateValueFromExpression("count","(int)[" + stream.GetData() + " count]"); - if num_children_vo.IsValid(): - return num_children_vo.GetValueAsUnsigned(0) - return '<variable is not NSDictionary>' + def update(self): + logger = lldb.formatters.Logger.Logger() + self.adjust_for_architecture() + + def num_children(self): + logger = lldb.formatters.Logger.Logger() + stream = lldb.SBStream() + self.valobj.GetExpressionPath(stream) + num_children_vo = self.valobj.CreateValueFromExpression( + "count", "(int)[" + stream.GetData() + " count]") + if num_children_vo.IsValid(): + return num_children_vo.GetValueAsUnsigned(0) + return '<variable is not NSDictionary>' 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 == '__NSCFDictionary': - wrapper = NSCFDictionary_SummaryProvider(valobj, class_data.sys_params) - statistics.metric_hit('code_notrun',valobj) - elif name_string == '__NSDictionaryI': - wrapper = NSDictionaryI_SummaryProvider(valobj, class_data.sys_params) - statistics.metric_hit('code_notrun',valobj) - elif name_string == '__NSDictionaryM': - wrapper = NSDictionaryM_SummaryProvider(valobj, class_data.sys_params) - statistics.metric_hit('code_notrun',valobj) - else: - wrapper = NSDictionaryUnknown_SummaryProvider(valobj, class_data.sys_params) - statistics.metric_hit('unknown_class',valobj.GetName() + " seen as " + name_string) - return wrapper; - -def CFDictionary_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.num_children(); - except: - summary = None - logger >> "got summary " + str(summary) - if summary == None: - return '<variable is not NSDictionary>' - if isinstance(summary,basestring): - return summary - return str(summary) + (" key/value pairs" if summary != 1 else " key/value pair") - return 'Summary Unavailable' - -def CFDictionary_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.num_children(); - except: - summary = None - logger >> "got summary " + str(summary) - if summary == None: - summary = '<variable is not CFDictionary>' - if isinstance(summary,basestring): - return summary - else: - # needed on OSX Mountain Lion - if provider.sys_params.is_64_bit: - summary = summary & ~0x0f1f000000000000 - summary = '@"' + str(summary) + (' entries"' if summary != 1 else ' entry"') - return summary - return 'Summary Unavailable' - -def __lldb_init_module(debugger,dict): - debugger.HandleCommand("type summary add -F CFDictionary.CFDictionary_SummaryProvider NSDictionary") - debugger.HandleCommand("type summary add -F CFDictionary.CFDictionary_SummaryProvider2 CFDictionaryRef CFMutableDictionaryRef") + 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 == '__NSCFDictionary': + wrapper = NSCFDictionary_SummaryProvider(valobj, class_data.sys_params) + statistics.metric_hit('code_notrun', valobj) + elif name_string == '__NSDictionaryI': + wrapper = NSDictionaryI_SummaryProvider(valobj, class_data.sys_params) + statistics.metric_hit('code_notrun', valobj) + elif name_string == '__NSDictionaryM': + wrapper = NSDictionaryM_SummaryProvider(valobj, class_data.sys_params) + statistics.metric_hit('code_notrun', valobj) + else: + wrapper = NSDictionaryUnknown_SummaryProvider( + valobj, class_data.sys_params) + statistics.metric_hit( + 'unknown_class', + valobj.GetName() + + " seen as " + + name_string) + return wrapper + + +def CFDictionary_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.num_children() + except: + summary = None + logger >> "got summary " + str(summary) + if summary is None: + return '<variable is not NSDictionary>' + if isinstance(summary, basestring): + return summary + return str(summary) + (" key/value pairs" if summary != + 1 else " key/value pair") + return 'Summary Unavailable' + + +def CFDictionary_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.num_children() + except: + summary = None + logger >> "got summary " + str(summary) + if summary is None: + summary = '<variable is not CFDictionary>' + if isinstance(summary, basestring): + return summary + else: + # needed on OSX Mountain Lion + if provider.sys_params.is_64_bit: + summary = summary & ~0x0f1f000000000000 + summary = '@"' + str(summary) + \ + (' entries"' if summary != 1 else ' entry"') + return summary + return 'Summary Unavailable' + + +def __lldb_init_module(debugger, dict): + debugger.HandleCommand( + "type summary add -F CFDictionary.CFDictionary_SummaryProvider NSDictionary") + debugger.HandleCommand( + "type summary add -F CFDictionary.CFDictionary_SummaryProvider2 CFDictionaryRef CFMutableDictionaryRef") |