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Diffstat (limited to 'examples/summaries/cocoa/CFBitVector.py')
| -rw-r--r-- | examples/summaries/cocoa/CFBitVector.py | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/examples/summaries/cocoa/CFBitVector.py b/examples/summaries/cocoa/CFBitVector.py deleted file mode 100644 index e788e625b0d83..0000000000000 --- a/examples/summaries/cocoa/CFBitVector.py +++ /dev/null @@ -1,206 +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 CF(Mutable)BitVector -import lldb -import ctypes -import lldb.runtime.objc.objc_runtime -import lldb.formatters.metrics -import lldb.formatters.Logger - -# first define some utility functions - - -def byte_index(abs_pos): - logger = lldb.formatters.Logger.Logger() - return abs_pos / 8 - - -def bit_index(abs_pos): - logger = lldb.formatters.Logger.Logger() - return abs_pos & 7 - - -def get_bit(byte, index): - logger = lldb.formatters.Logger.Logger() - if index < 0 or index > 7: - return None - return (byte >> (7 - index)) & 1 - - -def grab_array_item_data(pointer, index): - logger = lldb.formatters.Logger.Logger() - return pointer.GetPointeeData(index, 1) - -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 a summary for a CF*BitVector, so they need not -# obey the interface specification for synthetic children providers - - -class CFBitVectorKnown_SummaryProvider: - - def adjust_for_architecture(self): - logger = lldb.formatters.Logger.Logger() - self.uiint_size = self.sys_params.types_cache.NSUInteger.GetByteSize() - 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) - if not(self.sys_params.types_cache.charptr): - self.sys_params.types_cache.charptr = self.valobj.GetType( - ).GetBasicType(lldb.eBasicTypeChar).GetPointerType() - self.update() - - def update(self): - logger = lldb.formatters.Logger.Logger() - self.adjust_for_architecture() - - # we skip the CFRuntimeBase - # then the next CFIndex is the count - # then we skip another CFIndex and then we get at a byte array - # that wraps the individual bits - - def contents(self): - logger = lldb.formatters.Logger.Logger() - count_vo = self.valobj.CreateChildAtOffset( - "count", - self.sys_params.cfruntime_size, - self.sys_params.types_cache.NSUInteger) - count = count_vo.GetValueAsUnsigned(0) - if count == 0: - return '(empty)' - - array_vo = self.valobj.CreateChildAtOffset( - "data", - self.sys_params.cfruntime_size + - 2 * - self.uiint_size, - self.sys_params.types_cache.charptr) - - data_list = [] - cur_byte_pos = None - for i in range(0, count): - if cur_byte_pos is None: - cur_byte_pos = byte_index(i) - cur_byte = grab_array_item_data(array_vo, cur_byte_pos) - cur_byte_val = cur_byte.uint8[0] - else: - byte_pos = byte_index(i) - # do not fetch the pointee data every single time through - if byte_pos != cur_byte_pos: - cur_byte_pos = byte_pos - cur_byte = grab_array_item_data(array_vo, cur_byte_pos) - cur_byte_val = cur_byte.uint8[0] - bit = get_bit(cur_byte_val, bit_index(i)) - if (i % 4) == 0: - data_list.append(' ') - if bit == 1: - data_list.append('1') - else: - data_list.append('0') - return ''.join(data_list) - - -class CFBitVectorUnknown_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 contents(self): - logger = lldb.formatters.Logger.Logger() - return '<unable to summarize this CFBitVector>' - - -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 = name_string - - logger >> "name string got was " + \ - str(name_string) + " but actual name is " + str(actual_name) - - if class_data.is_cftype(): - # CFBitVectorRef 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 CFBitVectorRef - 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 == '__CFBitVector' or actual_name == '__CFMutableBitVector': - wrapper = CFBitVectorKnown_SummaryProvider( - valobj, class_data.sys_params) - statistics.metric_hit('code_notrun', valobj) - else: - wrapper = CFBitVectorUnknown_SummaryProvider( - valobj, class_data.sys_params) - print actual_name - else: - wrapper = CFBitVectorUnknown_SummaryProvider( - valobj, class_data.sys_params) - print name_string - statistics.metric_hit( - 'unknown_class', - valobj.GetName() + - " seen as " + - name_string) - return wrapper - - -def CFBitVector_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.contents() - except: - summary = None - logger >> "summary got from provider: " + str(summary) - if summary is None or summary == '': - summary = '<variable is not CFBitVector>' - return summary - return 'Summary Unavailable' - - -def __lldb_init_module(debugger, dict): - debugger.HandleCommand( - "type summary add -F CFBitVector.CFBitVector_SummaryProvider CFBitVectorRef CFMutableBitVectorRef") |