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Diffstat (limited to 'examples/summaries/cocoa/NSData.py')
| -rw-r--r-- | examples/summaries/cocoa/NSData.py | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/examples/summaries/cocoa/NSData.py b/examples/summaries/cocoa/NSData.py deleted file mode 100644 index bf4f2c6bbb7c..000000000000 --- a/examples/summaries/cocoa/NSData.py +++ /dev/null @@ -1,182 +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 NSData -# 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 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) - - -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 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 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") |