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Diffstat (limited to 'examples/summaries/cocoa/NSSet.py')
| -rw-r--r-- | examples/summaries/cocoa/NSSet.py | 289 |
1 files changed, 0 insertions, 289 deletions
diff --git a/examples/summaries/cocoa/NSSet.py b/examples/summaries/cocoa/NSSet.py deleted file mode 100644 index a6c7768671aa..000000000000 --- a/examples/summaries/cocoa/NSSet.py +++ /dev/null @@ -1,289 +0,0 @@ -""" -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 NSSet -import lldb -import ctypes -import lldb.runtime.objc.objc_runtime -import lldb.formatters.metrics -import CFBag -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') - -# 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) - - -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>' - - -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 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) - - -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 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 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") |