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Diffstat (limited to 'examples/summaries/cocoa/CFArray.py')
| -rw-r--r-- | examples/summaries/cocoa/CFArray.py | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/examples/summaries/cocoa/CFArray.py b/examples/summaries/cocoa/CFArray.py deleted file mode 100644 index 6fc97081bad5..000000000000 --- a/examples/summaries/cocoa/CFArray.py +++ /dev/null @@ -1,233 +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 NSArray -# 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') - -# much less functional than the other two cases below -# just runs code to get to the count and then returns -# no children - - -class NSArrayKVC_SynthProvider: - - def adjust_for_architecture(self): - pass - - def __init__(self, valobj, dict, params): - logger = lldb.formatters.Logger.Logger() - self.valobj = valobj - self.update() - - def update(self): - logger = lldb.formatters.Logger.Logger() - self.adjust_for_architecture() - - def num_children(self): - logger = lldb.formatters.Logger.Logger() - stream = lldb.SBStream() - self.valobj.GetExpressionPath(stream) - num_children_vo = self.valobj.CreateValueFromExpression( - "count", "(int)[" + stream.GetData() + " count]") - if num_children_vo.IsValid(): - return num_children_vo.GetValueAsUnsigned(0) - return "<variable is not NSArray>" - -# much less functional than the other two cases below -# just runs code to get to the count and then returns -# no children - - -class NSArrayCF_SynthProvider: - - def adjust_for_architecture(self): - pass - - def __init__(self, valobj, dict, params): - logger = lldb.formatters.Logger.Logger() - self.valobj = valobj - self.sys_params = params - if not (self.sys_params.types_cache.ulong): - self.sys_params.types_cache.ulong = self.valobj.GetType( - ).GetBasicType(lldb.eBasicTypeUnsignedLong) - self.update() - - def update(self): - logger = lldb.formatters.Logger.Logger() - self.adjust_for_architecture() - - def num_children(self): - logger = lldb.formatters.Logger.Logger() - num_children_vo = self.valobj.CreateChildAtOffset( - "count", self.sys_params.cfruntime_size, self.sys_params.types_cache.ulong) - return num_children_vo.GetValueAsUnsigned(0) - - -class NSArrayI_SynthProvider: - - def adjust_for_architecture(self): - pass - - def __init__(self, valobj, dict, params): - logger = lldb.formatters.Logger.Logger() - self.valobj = valobj - self.sys_params = params - if not(self.sys_params.types_cache.long): - self.sys_params.types_cache.long = self.valobj.GetType( - ).GetBasicType(lldb.eBasicTypeLong) - self.update() - - def update(self): - logger = lldb.formatters.Logger.Logger() - self.adjust_for_architecture() - - # skip the isa pointer and get at the size - def num_children(self): - logger = lldb.formatters.Logger.Logger() - count = self.valobj.CreateChildAtOffset( - "count", - self.sys_params.pointer_size, - self.sys_params.types_cache.long) - return count.GetValueAsUnsigned(0) - - -class NSArrayM_SynthProvider: - - def adjust_for_architecture(self): - pass - - def __init__(self, valobj, dict, params): - logger = lldb.formatters.Logger.Logger() - self.valobj = valobj - self.sys_params = params - if not(self.sys_params.types_cache.long): - self.sys_params.types_cache.long = self.valobj.GetType( - ).GetBasicType(lldb.eBasicTypeLong) - self.update() - - def update(self): - logger = lldb.formatters.Logger.Logger() - self.adjust_for_architecture() - - # skip the isa pointer and get at the size - def num_children(self): - logger = lldb.formatters.Logger.Logger() - count = self.valobj.CreateChildAtOffset( - "count", - self.sys_params.pointer_size, - self.sys_params.types_cache.long) - return count.GetValueAsUnsigned(0) - -# this is the actual synth provider, but is just a wrapper that checks -# whether valobj is an instance of __NSArrayI or __NSArrayM and sets up an -# appropriate backend layer to do the computations - - -class NSArray_SynthProvider: - - def adjust_for_architecture(self): - pass - - def __init__(self, valobj, dict): - logger = lldb.formatters.Logger.Logger() - self.valobj = valobj - self.adjust_for_architecture() - self.error = False - self.wrapper = self.make_wrapper() - self.invalid = (self.wrapper is None) - - def num_children(self): - logger = lldb.formatters.Logger.Logger() - if self.wrapper is None: - return 0 - return self.wrapper.num_children() - - def update(self): - logger = lldb.formatters.Logger.Logger() - if self.wrapper is None: - return - self.wrapper.update() - - # this code acts as our defense against NULL and uninitialized - # NSArray pointers, which makes it much longer than it would be otherwise - def make_wrapper(self): - logger = lldb.formatters.Logger.Logger() - if self.valobj.GetValueAsUnsigned() == 0: - self.error = True - return lldb.runtime.objc.objc_runtime.InvalidPointer_Description( - True) - else: - global statistics - class_data, wrapper = lldb.runtime.objc.objc_runtime.Utilities.prepare_class_detection( - self.valobj, statistics) - if wrapper: - self.error = True - return wrapper - - name_string = class_data.class_name() - - logger >> "Class name is " + str(name_string) - - if name_string == '__NSArrayI': - wrapper = NSArrayI_SynthProvider( - self.valobj, dict, class_data.sys_params) - statistics.metric_hit('code_notrun', self.valobj.GetName()) - elif name_string == '__NSArrayM': - wrapper = NSArrayM_SynthProvider( - self.valobj, dict, class_data.sys_params) - statistics.metric_hit('code_notrun', self.valobj.GetName()) - elif name_string == '__NSCFArray': - wrapper = NSArrayCF_SynthProvider( - self.valobj, dict, class_data.sys_params) - statistics.metric_hit('code_notrun', self.valobj.GetName()) - else: - wrapper = NSArrayKVC_SynthProvider( - self.valobj, dict, class_data.sys_params) - statistics.metric_hit( - 'unknown_class', str( - self.valobj.GetName()) + " seen as " + name_string) - return wrapper - - -def CFArray_SummaryProvider(valobj, dict): - logger = lldb.formatters.Logger.Logger() - provider = NSArray_SynthProvider(valobj, dict) - if not provider.invalid: - if provider.error: - return provider.wrapper.message() - try: - summary = int(provider.num_children()) - except: - summary = None - logger >> "provider gave me " + str(summary) - if summary is None: - summary = '<variable is not NSArray>' - elif isinstance(summary, basestring): - pass - else: - # we format it like it were a CFString to make it look the same as - # the summary from Xcode - summary = '@"' + str(summary) + \ - (" objects" if summary != 1 else " object") + '"' - return summary - return 'Summary Unavailable' - - -def __lldb_init_module(debugger, dict): - debugger.HandleCommand( - "type summary add -F CFArray.CFArray_SummaryProvider NSArray CFArrayRef CFMutableArrayRef") |