diff options
Diffstat (limited to 'lldb/examples/summaries/cocoa/CFBag.py')
| -rw-r--r-- | lldb/examples/summaries/cocoa/CFBag.py | 57 |
1 files changed, 29 insertions, 28 deletions
diff --git a/lldb/examples/summaries/cocoa/CFBag.py b/lldb/examples/summaries/cocoa/CFBag.py index e0cfd3dece1..1ddb943a38a 100644 --- a/lldb/examples/summaries/cocoa/CFBag.py +++ b/lldb/examples/summaries/cocoa/CFBag.py @@ -1,3 +1,10 @@ +""" +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 CFBag import lldb import ctypes @@ -61,43 +68,33 @@ class CFBagUnknown_SummaryProvider: def length(self): stream = lldb.SBStream() self.valobj.GetExpressionPath(stream) - num_children_vo = self.valobj.CreateValueFromExpression("count","(int)CFBagGetCount(" + stream.GetData() + " )"); - return num_children_vo.GetValueAsUnsigned(0) + num_children_vo = self.valobj.CreateValueFromExpression("count","(int)CFBagGetCount(" + stream.GetData() + " )") + if num_children_vo.IsValid(): + return num_children_vo.GetValueAsUnsigned(0) + return "<variable is not CFBag>" def GetSummary_Impl(valobj): global statistics - class_data = objc_runtime.ObjCRuntime(valobj) - if class_data.is_valid() == False: - statistics.metric_hit('invalid_pointer',valobj) - wrapper = None - return - class_data = class_data.read_class_data() - if class_data.is_valid() == False: - statistics.metric_hit('invalid_isa',valobj) - wrapper = None - return - if class_data.is_kvo(): - class_data = class_data.get_superclass() - if class_data.is_valid() == False: - statistics.metric_hit('invalid_isa',valobj) - wrapper = None - return + class_data,wrapper = objc_runtime.Utilities.prepare_class_detection(valobj,statistics) + if wrapper: + return wrapper name_string = class_data.class_name() actual_name = name_string - if name_string == '__NSCFType': + if class_data.is_cftype(): # CFBag 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 __CFBag valobj_type = valobj.GetType() if valobj_type.IsValid() and valobj_type.IsPointerType(): - pointee_type = valobj_type.GetPointeeType() - actual_name = pointee_type.GetName() - if actual_name == '__CFBag' or \ - actual_name == 'const struct __CFBag': - wrapper = CFBagRef_SummaryProvider(valobj, class_data.sys_params) - statistics.metric_hit('code_notrun',valobj) - return wrapper + valobj_type = valobj_type.GetPointeeType() + if valobj_type.IsValid(): + actual_name = valobj_type.GetName() + if actual_name == '__CFBag' or \ + actual_name == 'const struct __CFBag': + wrapper = CFBagRef_SummaryProvider(valobj, class_data.sys_params) + statistics.metric_hit('code_notrun',valobj) + return wrapper wrapper = CFBagUnknown_SummaryProvider(valobj, class_data.sys_params) statistics.metric_hit('unknown_class',str(valobj) + " seen as " + actual_name) return wrapper; @@ -105,6 +102,8 @@ def GetSummary_Impl(valobj): def CFBag_SummaryProvider (valobj,dict): provider = GetSummary_Impl(valobj); if provider != None: + if isinstance(provider,objc_runtime.SpecialSituation_Description): + return provider.message() try: summary = provider.length(); except: @@ -115,7 +114,9 @@ def CFBag_SummaryProvider (valobj,dict): # (if counts start looking weird, then most probably # the mask needs to be changed) if summary == None: - summary = 'no valid set here' + summary = '<variable is not CFBag>' + elif isinstance(summary,basestring): + pass else: if provider.sys_params.is_64_bit: summary = summary & ~0x1fff000000000000 @@ -124,7 +125,7 @@ def CFBag_SummaryProvider (valobj,dict): else: summary = '@"' + str(summary) + ' values"' return summary - return '' + return 'Summary Unavailable' def __lldb_init_module(debugger,dict): debugger.HandleCommand("type summary add -F CFBag.CFBag_SummaryProvider CFBagRef CFMutableBagRef") |
