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Diffstat (limited to 'examples/summaries/cocoa/CFBinaryHeap.py')
| -rw-r--r-- | examples/summaries/cocoa/CFBinaryHeap.py | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/examples/summaries/cocoa/CFBinaryHeap.py b/examples/summaries/cocoa/CFBinaryHeap.py deleted file mode 100644 index b22f2c5d4f7c..000000000000 --- a/examples/summaries/cocoa/CFBinaryHeap.py +++ /dev/null @@ -1,161 +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. -""" -# example summary provider for CFBinaryHeap -# the real summary is now C++ code built into LLDB -import lldb -import ctypes -import lldb.runtime.objc.objc_runtime -import lldb.formatters.metrics -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 length for an CFBinaryHeap, so they need not -# obey the interface specification for synthetic children providers - - -class CFBinaryHeapRef_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() - - # 8 bytes on i386 - # 16 bytes on x64 - # most probably 2 pointers - def offset(self): - logger = lldb.formatters.Logger.Logger() - return 2 * self.sys_params.pointer_size - - def length(self): - logger = lldb.formatters.Logger.Logger() - size = self.valobj.CreateChildAtOffset( - "count", self.offset(), self.sys_params.types_cache.NSUInteger) - return size.GetValueAsUnsigned(0) - - -class CFBinaryHeapUnknown_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 length(self): - logger = lldb.formatters.Logger.Logger() - stream = lldb.SBStream() - self.valobj.GetExpressionPath(stream) - num_children_vo = self.valobj.CreateValueFromExpression( - "count", "(int)CFBinaryHeapGetCount(" + stream.GetData() + " )") - if num_children_vo.IsValid(): - return num_children_vo.GetValueAsUnsigned(0) - return '<variable is not CFBinaryHeap>' - - -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() - actual_name = class_data.class_name() - - logger >> "name string got was " + \ - str(name_string) + " but actual name is " + str(actual_name) - - if class_data.is_cftype(): - # CFBinaryHeap does not expose an actual NSWrapper type, so we have to check that this is - # an NSCFType and then check we are a pointer-to CFBinaryHeap - valobj_type = valobj.GetType() - if valobj_type.IsValid() and valobj_type.IsPointerType(): - valobj_type = valobj_type.GetPointeeType() - if valobj_type.IsValid(): - actual_name = valobj_type.GetName() - if actual_name == '__CFBinaryHeap': - wrapper = CFBinaryHeapRef_SummaryProvider( - valobj, class_data.sys_params) - statistics.metric_hit('code_notrun', valobj) - return wrapper - wrapper = CFBinaryHeapUnknown_SummaryProvider( - valobj, class_data.sys_params) - statistics.metric_hit( - 'unknown_class', - valobj.GetName() + - " seen as " + - name_string) - return wrapper - - -def CFBinaryHeap_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.length() - except: - summary = None - logger >> "summary got from provider: " + str(summary) - # for some reason, one needs to clear some bits for the count - # to be correct when using CF(Mutable)BagRef on x64 - # 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 CFBinaryHeap>' - elif isinstance(summary, basestring): - pass - else: - if provider.sys_params.is_64_bit: - summary = summary & ~0x1fff000000000000 - if summary == 1: - return '@"1 item"' - else: - summary = '@"' + str(summary) + ' items"' - return summary - return 'Summary Unavailable' - - -def __lldb_init_module(debugger, dict): - debugger.HandleCommand( - "type summary add -F CFBinaryHeap.CFBinaryHeap_SummaryProvider CFBinaryHeapRef") |
