diff options
Diffstat (limited to 'lldb/examples/summaries/cocoa/NSData.py')
| -rw-r--r-- | lldb/examples/summaries/cocoa/NSData.py | 283 |
1 files changed, 151 insertions, 132 deletions
diff --git a/lldb/examples/summaries/cocoa/NSData.py b/lldb/examples/summaries/cocoa/NSData.py index 3aa30b29f54..bf4f2c6bbb7 100644 --- a/lldb/examples/summaries/cocoa/NSData.py +++ b/lldb/examples/summaries/cocoa/NSData.py @@ -22,142 +22,161 @@ statistics.add_metric('code_notrun') # despite the similary to synthetic children providers, these classes are not # trying to provide anything but the length for an NSData, so they need not # obey the interface specification for synthetic children providers + + class NSConcreteData_SummaryProvider: - def adjust_for_architecture(self): - pass - - def __init__(self, valobj, params): - logger = lldb.formatters.Logger.Logger() - logger >> "NSConcreteData_SummaryProvider __init__" - 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): - self.adjust_for_architecture(); - - # one pointer is the ISA - # then there are 32 bit worth of flags and other data - # however, on 64bit systems these are padded to be a full - # machine word long, which means we actually have two pointers - # worth of data to skip - def offset(self): - return 2 * self.sys_params.pointer_size - - def length(self): - logger = lldb.formatters.Logger.Logger() - logger >> "NSConcreteData_SummaryProvider length" - size = self.valobj.CreateChildAtOffset("count", - self.offset(), - self.sys_params.types_cache.NSUInteger) - logger >> str(size) - logger >> str(size.GetValueAsUnsigned(0)) - return size.GetValueAsUnsigned(0) + + def adjust_for_architecture(self): + pass + + def __init__(self, valobj, params): + logger = lldb.formatters.Logger.Logger() + logger >> "NSConcreteData_SummaryProvider __init__" + 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): + self.adjust_for_architecture() + + # one pointer is the ISA + # then there are 32 bit worth of flags and other data + # however, on 64bit systems these are padded to be a full + # machine word long, which means we actually have two pointers + # worth of data to skip + def offset(self): + return 2 * self.sys_params.pointer_size + + def length(self): + logger = lldb.formatters.Logger.Logger() + logger >> "NSConcreteData_SummaryProvider length" + size = self.valobj.CreateChildAtOffset( + "count", self.offset(), self.sys_params.types_cache.NSUInteger) + logger >> str(size) + logger >> str(size.GetValueAsUnsigned(0)) + return size.GetValueAsUnsigned(0) class NSDataUnknown_SummaryProvider: - def adjust_for_architecture(self): - pass - - def __init__(self, valobj, params): - logger = lldb.formatters.Logger.Logger() - logger >> "NSDataUnknown_SummaryProvider __init__" - self.valobj = valobj; - self.sys_params = params - self.update(); - - def update(self): - self.adjust_for_architecture(); - - def length(self): - logger = lldb.formatters.Logger.Logger() - logger >> "NSDataUnknown_SummaryProvider length" - stream = lldb.SBStream() - self.valobj.GetExpressionPath(stream) - logger >> stream.GetData() - num_children_vo = self.valobj.CreateValueFromExpression("count","(int)[" + stream.GetData() + " length]"); - logger >> "still in after expression: " + str(num_children_vo) - if num_children_vo.IsValid(): - logger >> "wow - expr output is valid: " + str(num_children_vo.GetValueAsUnsigned()) - return num_children_vo.GetValueAsUnsigned(0) - logger >> "invalid expr output - too bad" - return '<variable is not NSData>' + + def adjust_for_architecture(self): + pass + + def __init__(self, valobj, params): + logger = lldb.formatters.Logger.Logger() + logger >> "NSDataUnknown_SummaryProvider __init__" + self.valobj = valobj + self.sys_params = params + self.update() + + def update(self): + self.adjust_for_architecture() + + def length(self): + logger = lldb.formatters.Logger.Logger() + logger >> "NSDataUnknown_SummaryProvider length" + stream = lldb.SBStream() + self.valobj.GetExpressionPath(stream) + logger >> stream.GetData() + num_children_vo = self.valobj.CreateValueFromExpression( + "count", "(int)[" + stream.GetData() + " length]") + logger >> "still in after expression: " + str(num_children_vo) + if num_children_vo.IsValid(): + logger >> "wow - expr output is valid: " + \ + str(num_children_vo.GetValueAsUnsigned()) + return num_children_vo.GetValueAsUnsigned(0) + logger >> "invalid expr output - too bad" + return '<variable is not NSData>' def GetSummary_Impl(valobj): - global statistics - logger = lldb.formatters.Logger.Logger() - logger >> "NSData GetSummary_Impl" - class_data,wrapper =lldb.runtime.objc.objc_runtime.Utilities.prepare_class_detection(valobj,statistics) - if wrapper: - logger >> "got a wrapper summary - using it" - return wrapper - - name_string = class_data.class_name() - logger >> "class name: " + name_string - if name_string == 'NSConcreteData' or \ - name_string == 'NSConcreteMutableData' or \ - name_string == '__NSCFData': - wrapper = NSConcreteData_SummaryProvider(valobj, class_data.sys_params) - statistics.metric_hit('code_notrun',valobj) - else: - wrapper = NSDataUnknown_SummaryProvider(valobj, class_data.sys_params) - statistics.metric_hit('unknown_class',valobj.GetName() + " seen as " + name_string) - return wrapper; - -def NSData_SummaryProvider (valobj,dict): - logger = lldb.formatters.Logger.Logger() - logger >> "NSData_SummaryProvider" - provider = GetSummary_Impl(valobj); - logger >> "found a summary provider, it is: " + str(provider) - if provider != None: - try: - summary = provider.length(); - except: - summary = None - logger >> "got a summary: it is " + str(summary) - if summary == None: - summary = '<variable is not NSData>' - elif isinstance(summary,basestring): - pass - else: - if summary == 1: - summary = '1 byte' - else: - summary = str(summary) + ' bytes' - return summary - return 'Summary Unavailable' - -def NSData_SummaryProvider2 (valobj,dict): - logger = lldb.formatters.Logger.Logger() - logger >> "NSData_SummaryProvider2" - provider = GetSummary_Impl(valobj); - logger >> "found a summary provider, it is: " + str(provider) - if provider != None: - if isinstance(provider,lldb.runtime.objc.objc_runtime.SpecialSituation_Description): - return provider.message() - try: - summary = provider.length(); - except: - summary = None - logger >> "got a summary: it is " + str(summary) - if summary == None: - summary = '<variable is not CFData>' - elif isinstance(summary,basestring): - pass - else: - if summary == 1: - summary = '@"1 byte"' - else: - summary = '@"' + str(summary) + ' bytes"' - return summary - return 'Summary Unavailable' - -def __lldb_init_module(debugger,dict): - debugger.HandleCommand("type summary add -F NSData.NSData_SummaryProvider NSData") - debugger.HandleCommand("type summary add -F NSData.NSData_SummaryProvider2 CFDataRef CFMutableDataRef") + global statistics + logger = lldb.formatters.Logger.Logger() + logger >> "NSData GetSummary_Impl" + class_data, wrapper = lldb.runtime.objc.objc_runtime.Utilities.prepare_class_detection( + valobj, statistics) + if wrapper: + logger >> "got a wrapper summary - using it" + return wrapper + + name_string = class_data.class_name() + logger >> "class name: " + name_string + if name_string == 'NSConcreteData' or \ + name_string == 'NSConcreteMutableData' or \ + name_string == '__NSCFData': + wrapper = NSConcreteData_SummaryProvider(valobj, class_data.sys_params) + statistics.metric_hit('code_notrun', valobj) + else: + wrapper = NSDataUnknown_SummaryProvider(valobj, class_data.sys_params) + statistics.metric_hit( + 'unknown_class', + valobj.GetName() + + " seen as " + + name_string) + return wrapper + + +def NSData_SummaryProvider(valobj, dict): + logger = lldb.formatters.Logger.Logger() + logger >> "NSData_SummaryProvider" + provider = GetSummary_Impl(valobj) + logger >> "found a summary provider, it is: " + str(provider) + if provider is not None: + try: + summary = provider.length() + except: + summary = None + logger >> "got a summary: it is " + str(summary) + if summary is None: + summary = '<variable is not NSData>' + elif isinstance(summary, basestring): + pass + else: + if summary == 1: + summary = '1 byte' + else: + summary = str(summary) + ' bytes' + return summary + return 'Summary Unavailable' + + +def NSData_SummaryProvider2(valobj, dict): + logger = lldb.formatters.Logger.Logger() + logger >> "NSData_SummaryProvider2" + provider = GetSummary_Impl(valobj) + logger >> "found a summary provider, it is: " + str(provider) + if provider is not None: + if isinstance( + provider, + lldb.runtime.objc.objc_runtime.SpecialSituation_Description): + return provider.message() + try: + summary = provider.length() + except: + summary = None + logger >> "got a summary: it is " + str(summary) + if summary is None: + summary = '<variable is not CFData>' + elif isinstance(summary, basestring): + pass + else: + if summary == 1: + summary = '@"1 byte"' + else: + summary = '@"' + str(summary) + ' bytes"' + return summary + return 'Summary Unavailable' + + +def __lldb_init_module(debugger, dict): + debugger.HandleCommand( + "type summary add -F NSData.NSData_SummaryProvider NSData") + debugger.HandleCommand( + "type summary add -F NSData.NSData_SummaryProvider2 CFDataRef CFMutableDataRef") |
