diff options
Diffstat (limited to 'lldb/examples/summaries/cocoa/NSURL.py')
| -rw-r--r-- | lldb/examples/summaries/cocoa/NSURL.py | 222 |
1 files changed, 119 insertions, 103 deletions
diff --git a/lldb/examples/summaries/cocoa/NSURL.py b/lldb/examples/summaries/cocoa/NSURL.py index ac47be3..ad28849 100644 --- a/lldb/examples/summaries/cocoa/NSURL.py +++ b/lldb/examples/summaries/cocoa/NSURL.py @@ -22,116 +22,132 @@ statistics.add_metric('code_notrun') # despite the similary to synthetic children providers, these classes are not # trying to provide anything but a summary for an NSURL, so they need not # obey the interface specification for synthetic children providers + + class NSURLKnown_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.NSString): - self.sys_params.types_cache.NSString = self.valobj.GetTarget().FindFirstType('NSString').GetPointerType() - if not(self.sys_params.types_cache.NSURL): - self.sys_params.types_cache.NSURL = self.valobj.GetTarget().FindFirstType('NSURL').GetPointerType() - self.update(); - - def update(self): - logger = lldb.formatters.Logger.Logger() - self.adjust_for_architecture(); - - # one pointer is the ISA - # then there is one more pointer and 8 bytes of plain data - # (which are also present on a 32-bit system) - # then there is a pointer to an NSString which is the url text - # optionally, the next pointer is another NSURL which is the "base" - # of this one when doing NSURLs composition (incidentally, NSURLs can - # recurse the base+text mechanism to any desired depth) - def offset_text(self): - logger = lldb.formatters.Logger.Logger() - return 24 if self.sys_params.is_64_bit else 16 - def offset_base(self): - logger = lldb.formatters.Logger.Logger() - return self.offset_text()+self.sys_params.pointer_size - - def url_text(self): - logger = lldb.formatters.Logger.Logger() - text = self.valobj.CreateChildAtOffset("text", - self.offset_text(), - self.sys_params.types_cache.NSString) - base = self.valobj.CreateChildAtOffset("base", - self.offset_base(), - self.sys_params.types_cache.NSURL) - my_string = CFString.CFString_SummaryProvider(text,None) - if len(my_string) > 0 and base.GetValueAsUnsigned(0) != 0: - # remove final " from myself - my_string = my_string[0:len(my_string)-1] - my_string = my_string + ' -- ' - my_base_string = NSURL_SummaryProvider(base,None) - if len(my_base_string) > 2: - # remove @" marker from base URL string - my_base_string = my_base_string[2:] - my_string = my_string + my_base_string - return my_string + + 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.NSString): + self.sys_params.types_cache.NSString = self.valobj.GetTarget( + ).FindFirstType('NSString').GetPointerType() + if not(self.sys_params.types_cache.NSURL): + self.sys_params.types_cache.NSURL = self.valobj.GetTarget( + ).FindFirstType('NSURL').GetPointerType() + self.update() + + def update(self): + logger = lldb.formatters.Logger.Logger() + self.adjust_for_architecture() + + # one pointer is the ISA + # then there is one more pointer and 8 bytes of plain data + # (which are also present on a 32-bit system) + # then there is a pointer to an NSString which is the url text + # optionally, the next pointer is another NSURL which is the "base" + # of this one when doing NSURLs composition (incidentally, NSURLs can + # recurse the base+text mechanism to any desired depth) + def offset_text(self): + logger = lldb.formatters.Logger.Logger() + return 24 if self.sys_params.is_64_bit else 16 + + def offset_base(self): + logger = lldb.formatters.Logger.Logger() + return self.offset_text() + self.sys_params.pointer_size + + def url_text(self): + logger = lldb.formatters.Logger.Logger() + text = self.valobj.CreateChildAtOffset( + "text", self.offset_text(), self.sys_params.types_cache.NSString) + base = self.valobj.CreateChildAtOffset( + "base", self.offset_base(), self.sys_params.types_cache.NSURL) + my_string = CFString.CFString_SummaryProvider(text, None) + if len(my_string) > 0 and base.GetValueAsUnsigned(0) != 0: + # remove final " from myself + my_string = my_string[0:len(my_string) - 1] + my_string = my_string + ' -- ' + my_base_string = NSURL_SummaryProvider(base, None) + if len(my_base_string) > 2: + # remove @" marker from base URL string + my_base_string = my_base_string[2:] + my_string = my_string + my_base_string + return my_string class NSURLUnknown_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 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 update(self): + logger = lldb.formatters.Logger.Logger() + self.adjust_for_architecture() - def url_text(self): - logger = lldb.formatters.Logger.Logger() - stream = lldb.SBStream() - self.valobj.GetExpressionPath(stream) - url_text_vo = self.valobj.CreateValueFromExpression("url","(NSString*)[" + stream.GetData() + " description]") - if url_text_vo.IsValid(): - return CFString.CFString_SummaryProvider(url_text_vo,None) - return '<variable is not NSURL>' + def url_text(self): + logger = lldb.formatters.Logger.Logger() + stream = lldb.SBStream() + self.valobj.GetExpressionPath(stream) + url_text_vo = self.valobj.CreateValueFromExpression( + "url", "(NSString*)[" + stream.GetData() + " description]") + if url_text_vo.IsValid(): + return CFString.CFString_SummaryProvider(url_text_vo, None) + return '<variable is not NSURL>' 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() - logger >> "class name is: " + str(name_string) - - if name_string == 'NSURL': - wrapper = NSURLKnown_SummaryProvider(valobj, class_data.sys_params) - statistics.metric_hit('code_notrun',valobj) - else: - wrapper = NSURLUnknown_SummaryProvider(valobj, class_data.sys_params) - statistics.metric_hit('unknown_class',valobj.GetName() + " seen as " + name_string) - return wrapper; - -def NSURL_SummaryProvider (valobj,dict): - logger = lldb.formatters.Logger.Logger() - provider = GetSummary_Impl(valobj); - if provider != None: - if isinstance(provider,lldb.runtime.objc.objc_runtime.SpecialSituation_Description): - return provider.message() - try: - summary = provider.url_text(); - except: - summary = None - logger >> "got summary " + str(summary) - if summary == None or summary == '': - summary = '<variable is not NSURL>' - return summary - return 'Summary Unavailable' - -def __lldb_init_module(debugger,dict): - debugger.HandleCommand("type summary add -F NSURL.NSURL_SummaryProvider NSURL CFURLRef") + 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() + logger >> "class name is: " + str(name_string) + + if name_string == 'NSURL': + wrapper = NSURLKnown_SummaryProvider(valobj, class_data.sys_params) + statistics.metric_hit('code_notrun', valobj) + else: + wrapper = NSURLUnknown_SummaryProvider(valobj, class_data.sys_params) + statistics.metric_hit( + 'unknown_class', + valobj.GetName() + + " seen as " + + name_string) + return wrapper + + +def NSURL_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.url_text() + except: + summary = None + logger >> "got summary " + str(summary) + if summary is None or summary == '': + summary = '<variable is not NSURL>' + return summary + return 'Summary Unavailable' + + +def __lldb_init_module(debugger, dict): + debugger.HandleCommand( + "type summary add -F NSURL.NSURL_SummaryProvider NSURL CFURLRef") |