vendor/lldb/lldb-trunk-r290819

1 files changed, 232 insertions, 198 deletions

diff --git a/examples/summaries/cocoa/NSNumber.py b/examples/summaries/cocoa/NSNumber.py
index 7edd33803f9c..3225ea95ded6 100644
--- a/examples/summaries/cocoa/NSNumber.py
+++ b/examples/summaries/cocoa/NSNumber.py
@@ -23,213 +23,247 @@ statistics.add_metric('code_notrun')
 # despite the similary to synthetic children providers, these classes are not
 # trying to provide anything but the port number of an NSNumber, so they need not
 # obey the interface specification for synthetic children providers
+
+
 class NSTaggedNumber_SummaryProvider:
-	def adjust_for_architecture(self):
-		pass
-
-	def __init__(self, valobj, info_bits, data, params):
-		logger = lldb.formatters.Logger.Logger()
-		self.valobj = valobj;
-		self.sys_params = params
-		self.info_bits = info_bits
-		self.data = data
-		self.update();
-
-	def update(self):
-		logger = lldb.formatters.Logger.Logger()
-		self.adjust_for_architecture();
-
-	def value(self):
-		logger = lldb.formatters.Logger.Logger()
-		# in spite of the plenty of types made available by the public NSNumber API
-		# only a bunch of these are actually used in the internal implementation
-		# unfortunately, the original type information appears to be lost
-		# so we try to at least recover the proper magnitude of the data
-		if self.info_bits == 0:
-			return '(char)' + str(ord(ctypes.c_char(chr(self.data % 256)).value))
-		if self.info_bits == 4:
-			return '(short)' + str(ctypes.c_short(self.data % (256*256)).value)
-		if self.info_bits == 8:
-			return '(int)' + str(ctypes.c_int(self.data % (256*256*256*256)).value)
-		if self.info_bits == 12:
-			return '(long)' + str(ctypes.c_long(self.data).value)
-		else:
-			return 'unexpected value:(info=' + str(self.info_bits) + ", value = " + str(self.data) + ')'
+
+    def adjust_for_architecture(self):
+        pass
+
+    def __init__(self, valobj, info_bits, data, params):
+        logger = lldb.formatters.Logger.Logger()
+        self.valobj = valobj
+        self.sys_params = params
+        self.info_bits = info_bits
+        self.data = data
+        self.update()
+
+    def update(self):
+        logger = lldb.formatters.Logger.Logger()
+        self.adjust_for_architecture()
+
+    def value(self):
+        logger = lldb.formatters.Logger.Logger()
+        # in spite of the plenty of types made available by the public NSNumber API
+        # only a bunch of these are actually used in the internal implementation
+        # unfortunately, the original type information appears to be lost
+        # so we try to at least recover the proper magnitude of the data
+        if self.info_bits == 0:
+            return '(char)' + \
+                str(ord(ctypes.c_char(chr(self.data % 256)).value))
+        if self.info_bits == 4:
+            return '(short)' + \
+                str(ctypes.c_short(self.data % (256 * 256)).value)
+        if self.info_bits == 8:
+            return '(int)' + str(ctypes.c_int(self.data %
+                                              (256 * 256 * 256 * 256)).value)
+        if self.info_bits == 12:
+            return '(long)' + str(ctypes.c_long(self.data).value)
+        else:
+            return 'unexpected value:(info=' + str(self.info_bits) + \
+                ", value = " + str(self.data) + ')'
 
 
 class NSUntaggedNumber_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.char):
-			self.sys_params.types_cache.char = self.valobj.GetType().GetBasicType(lldb.eBasicTypeChar)
-		if not(self.sys_params.types_cache.short):
-			self.sys_params.types_cache.short = self.valobj.GetType().GetBasicType(lldb.eBasicTypeShort)
-		if not(self.sys_params.types_cache.ushort):
-			self.sys_params.types_cache.ushort = self.valobj.GetType().GetBasicType(lldb.eBasicTypeUnsignedShort)
-		if not(self.sys_params.types_cache.int):
-			self.sys_params.types_cache.int = self.valobj.GetType().GetBasicType(lldb.eBasicTypeInt)
-		if not(self.sys_params.types_cache.long):
-			self.sys_params.types_cache.long = self.valobj.GetType().GetBasicType(lldb.eBasicTypeLong)
-		if not(self.sys_params.types_cache.ulong):
-			self.sys_params.types_cache.ulong = self.valobj.GetType().GetBasicType(lldb.eBasicTypeUnsignedLong)
-		if not(self.sys_params.types_cache.longlong):
-			self.sys_params.types_cache.longlong = self.valobj.GetType().GetBasicType(lldb.eBasicTypeLongLong)
-		if not(self.sys_params.types_cache.ulonglong):
-			self.sys_params.types_cache.ulonglong = self.valobj.GetType().GetBasicType(lldb.eBasicTypeUnsignedLongLong)
-		if not(self.sys_params.types_cache.float):
-			self.sys_params.types_cache.float = self.valobj.GetType().GetBasicType(lldb.eBasicTypeFloat)
-		if not(self.sys_params.types_cache.double):
-			self.sys_params.types_cache.double = self.valobj.GetType().GetBasicType(lldb.eBasicTypeDouble)
-		self.update();
-
-	def update(self):
-		logger = lldb.formatters.Logger.Logger()
-		self.adjust_for_architecture();
-
-	def value(self):
-		logger = lldb.formatters.Logger.Logger()
-		global statistics
-		# we need to skip the ISA, then the next byte tells us what to read
-		# we then skip one other full pointer worth of data and then fetch the contents
-		# if we are fetching an int64 value, one more pointer must be skipped to get at our data
-		data_type_vo = self.valobj.CreateChildAtOffset("dt",
-							self.sys_params.pointer_size,
-							self.sys_params.types_cache.char)
-		data_type = ((data_type_vo.GetValueAsUnsigned(0) % 256) & 0x1F)
-		data_offset = 2 * self.sys_params.pointer_size
-		if data_type == 0B00001:
-			data_vo = self.valobj.CreateChildAtOffset("data",
-								data_offset,
-								self.sys_params.types_cache.char)
-			statistics.metric_hit('code_notrun',self.valobj)
-			return '(char)' + str(ord(ctypes.c_char(chr(data_vo.GetValueAsUnsigned(0))).value))
-		elif data_type == 0B0010:
-			data_vo = self.valobj.CreateChildAtOffset("data",
-								data_offset,
-								self.sys_params.types_cache.short)
-			statistics.metric_hit('code_notrun',self.valobj)
-			return '(short)' + str(ctypes.c_short(data_vo.GetValueAsUnsigned(0) % (256*256)).value)
-		# IF tagged pointers are possible on 32bit+v2 runtime
-		# (of which the only existing instance should be iOS)
-		# then values of this type might be tagged
-		elif data_type == 0B0011:
-			data_vo = self.valobj.CreateChildAtOffset("data",
-								data_offset,
-								self.sys_params.types_cache.int)
-			statistics.metric_hit('code_notrun',self.valobj)
-			return '(int)' + str(ctypes.c_int(data_vo.GetValueAsUnsigned(0)% (256*256*256*256)).value)
-		# apparently, on is_64_bit architectures, these are the only values that will ever
-		# be represented by a non tagged pointers
-		elif data_type == 0B10001:
-			data_offset = data_offset + 8 # 8 is needed even if we are on 32bit
-			data_vo = self.valobj.CreateChildAtOffset("data",
-								data_offset,
-								self.sys_params.types_cache.longlong)
-			statistics.metric_hit('code_notrun',self.valobj)
-			return '(long)' + str(ctypes.c_long(data_vo.GetValueAsUnsigned(0)).value)
-		elif data_type == 0B0100:
-			if self.sys_params.is_64_bit:
-				data_offset = data_offset + self.sys_params.pointer_size
-			data_vo = self.valobj.CreateChildAtOffset("data",
-								data_offset,
-								self.sys_params.types_cache.longlong)
-			statistics.metric_hit('code_notrun',self.valobj)
-			return '(long)' + str(ctypes.c_long(data_vo.GetValueAsUnsigned(0)).value)
-		elif data_type == 0B0101:
-			data_vo = self.valobj.CreateChildAtOffset("data",
-								data_offset,
-								self.sys_params.types_cache.longlong)
-			data_plain = int(str(data_vo.GetValueAsUnsigned(0) & 0x00000000FFFFFFFF))
-			packed = struct.pack('I', data_plain)
-			data_float = struct.unpack('f', packed)[0]
-			statistics.metric_hit('code_notrun',self.valobj)
-			return '(float)' + str(data_float)
-		elif data_type == 0B0110:
-			data_vo = self.valobj.CreateChildAtOffset("data",
-								data_offset,
-								self.sys_params.types_cache.longlong)
-			data_plain = data_vo.GetValueAsUnsigned(0)
-			data_double = struct.unpack('d', struct.pack('Q', data_plain))[0]
-			statistics.metric_hit('code_notrun',self.valobj)
-			return '(double)' + str(data_double)
-		statistics.metric_hit('unknown_class',str(valobj.GetName()) + " had unknown data_type " + str(data_type))
-		return 'unexpected: dt = ' + str(data_type)
+
+    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.char):
+            self.sys_params.types_cache.char = self.valobj.GetType(
+            ).GetBasicType(lldb.eBasicTypeChar)
+        if not(self.sys_params.types_cache.short):
+            self.sys_params.types_cache.short = self.valobj.GetType(
+            ).GetBasicType(lldb.eBasicTypeShort)
+        if not(self.sys_params.types_cache.ushort):
+            self.sys_params.types_cache.ushort = self.valobj.GetType(
+            ).GetBasicType(lldb.eBasicTypeUnsignedShort)
+        if not(self.sys_params.types_cache.int):
+            self.sys_params.types_cache.int = self.valobj.GetType().GetBasicType(lldb.eBasicTypeInt)
+        if not(self.sys_params.types_cache.long):
+            self.sys_params.types_cache.long = self.valobj.GetType(
+            ).GetBasicType(lldb.eBasicTypeLong)
+        if not(self.sys_params.types_cache.ulong):
+            self.sys_params.types_cache.ulong = self.valobj.GetType(
+            ).GetBasicType(lldb.eBasicTypeUnsignedLong)
+        if not(self.sys_params.types_cache.longlong):
+            self.sys_params.types_cache.longlong = self.valobj.GetType(
+            ).GetBasicType(lldb.eBasicTypeLongLong)
+        if not(self.sys_params.types_cache.ulonglong):
+            self.sys_params.types_cache.ulonglong = self.valobj.GetType(
+            ).GetBasicType(lldb.eBasicTypeUnsignedLongLong)
+        if not(self.sys_params.types_cache.float):
+            self.sys_params.types_cache.float = self.valobj.GetType(
+            ).GetBasicType(lldb.eBasicTypeFloat)
+        if not(self.sys_params.types_cache.double):
+            self.sys_params.types_cache.double = self.valobj.GetType(
+            ).GetBasicType(lldb.eBasicTypeDouble)
+        self.update()
+
+    def update(self):
+        logger = lldb.formatters.Logger.Logger()
+        self.adjust_for_architecture()
+
+    def value(self):
+        logger = lldb.formatters.Logger.Logger()
+        global statistics
+        # we need to skip the ISA, then the next byte tells us what to read
+        # we then skip one other full pointer worth of data and then fetch the contents
+        # if we are fetching an int64 value, one more pointer must be skipped
+        # to get at our data
+        data_type_vo = self.valobj.CreateChildAtOffset(
+            "dt", self.sys_params.pointer_size, self.sys_params.types_cache.char)
+        data_type = ((data_type_vo.GetValueAsUnsigned(0) % 256) & 0x1F)
+        data_offset = 2 * self.sys_params.pointer_size
+        if data_type == 0B00001:
+            data_vo = self.valobj.CreateChildAtOffset(
+                "data", data_offset, self.sys_params.types_cache.char)
+            statistics.metric_hit('code_notrun', self.valobj)
+            return '(char)' + \
+                str(ord(ctypes.c_char(chr(data_vo.GetValueAsUnsigned(0))).value))
+        elif data_type == 0B0010:
+            data_vo = self.valobj.CreateChildAtOffset(
+                "data", data_offset, self.sys_params.types_cache.short)
+            statistics.metric_hit('code_notrun', self.valobj)
+            return '(short)' + str(
+                ctypes.c_short(
+                    data_vo.GetValueAsUnsigned(0) %
+                    (256 * 256)).value)
+        # IF tagged pointers are possible on 32bit+v2 runtime
+        # (of which the only existing instance should be iOS)
+        # then values of this type might be tagged
+        elif data_type == 0B0011:
+            data_vo = self.valobj.CreateChildAtOffset(
+                "data", data_offset, self.sys_params.types_cache.int)
+            statistics.metric_hit('code_notrun', self.valobj)
+            return '(int)' + str(ctypes.c_int(data_vo.GetValueAsUnsigned(0) %
+                                              (256 * 256 * 256 * 256)).value)
+        # apparently, on is_64_bit architectures, these are the only values that will ever
+        # be represented by a non tagged pointers
+        elif data_type == 0B10001:
+            data_offset = data_offset + 8  # 8 is needed even if we are on 32bit
+            data_vo = self.valobj.CreateChildAtOffset(
+                "data", data_offset, self.sys_params.types_cache.longlong)
+            statistics.metric_hit('code_notrun', self.valobj)
+            return '(long)' + \
+                str(ctypes.c_long(data_vo.GetValueAsUnsigned(0)).value)
+        elif data_type == 0B0100:
+            if self.sys_params.is_64_bit:
+                data_offset = data_offset + self.sys_params.pointer_size
+            data_vo = self.valobj.CreateChildAtOffset(
+                "data", data_offset, self.sys_params.types_cache.longlong)
+            statistics.metric_hit('code_notrun', self.valobj)
+            return '(long)' + \
+                str(ctypes.c_long(data_vo.GetValueAsUnsigned(0)).value)
+        elif data_type == 0B0101:
+            data_vo = self.valobj.CreateChildAtOffset(
+                "data", data_offset, self.sys_params.types_cache.longlong)
+            data_plain = int(
+                str(data_vo.GetValueAsUnsigned(0) & 0x00000000FFFFFFFF))
+            packed = struct.pack('I', data_plain)
+            data_float = struct.unpack('f', packed)[0]
+            statistics.metric_hit('code_notrun', self.valobj)
+            return '(float)' + str(data_float)
+        elif data_type == 0B0110:
+            data_vo = self.valobj.CreateChildAtOffset(
+                "data", data_offset, self.sys_params.types_cache.longlong)
+            data_plain = data_vo.GetValueAsUnsigned(0)
+            data_double = struct.unpack('d', struct.pack('Q', data_plain))[0]
+            statistics.metric_hit('code_notrun', self.valobj)
+            return '(double)' + str(data_double)
+        statistics.metric_hit(
+            'unknown_class', str(
+                valobj.GetName()) + " had unknown data_type " + str(data_type))
+        return 'unexpected: dt = ' + str(data_type)
 
 
 class NSUnknownNumber_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 value(self):
-		logger = lldb.formatters.Logger.Logger()
-		stream = lldb.SBStream()
-		self.valobj.GetExpressionPath(stream)
-		expr = "(NSString*)[" + stream.GetData() + " stringValue]"
-		num_children_vo = self.valobj.CreateValueFromExpression("str",expr)
-		if num_children_vo.IsValid():
-			return num_children_vo.GetSummary()
-		return '<variable is not NSNumber>'
+
+    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 value(self):
+        logger = lldb.formatters.Logger.Logger()
+        stream = lldb.SBStream()
+        self.valobj.GetExpressionPath(stream)
+        expr = "(NSString*)[" + stream.GetData() + " stringValue]"
+        num_children_vo = self.valobj.CreateValueFromExpression("str", expr)
+        if num_children_vo.IsValid():
+            return num_children_vo.GetSummary()
+        return '<variable is not NSNumber>'
+
 
 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 == 'NSNumber' or name_string == '__NSCFNumber':
-		if class_data.is_tagged():
-			wrapper = NSTaggedNumber_SummaryProvider(valobj,class_data.info_bits(),class_data.value(), class_data.sys_params)
-			statistics.metric_hit('code_notrun',valobj)
-		else:
-			# the wrapper might be unable to decipher what is into the NSNumber
-			# and then have to run code on it
-			wrapper = NSUntaggedNumber_SummaryProvider(valobj, class_data.sys_params)
-	else:
-		wrapper = NSUnknownNumber_SummaryProvider(valobj, class_data.sys_params)
-		statistics.metric_hit('unknown_class',valobj.GetName() + " seen as " + name_string)
-	return wrapper;
-
-
-def NSNumber_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.value();
-		except Exception as foo:
-			print foo
-#		except:
-			summary = None
-		logger >> "got summary " + str(summary)
-		if summary == None:
-			summary = '<variable is not NSNumber>'
-		return str(summary)
-	return 'Summary Unavailable'
+    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 == 'NSNumber' or name_string == '__NSCFNumber':
+        if class_data.is_tagged():
+            wrapper = NSTaggedNumber_SummaryProvider(
+                valobj, class_data.info_bits(), class_data.value(), class_data.sys_params)
+            statistics.metric_hit('code_notrun', valobj)
+        else:
+            # the wrapper might be unable to decipher what is into the NSNumber
+            # and then have to run code on it
+            wrapper = NSUntaggedNumber_SummaryProvider(
+                valobj, class_data.sys_params)
+    else:
+        wrapper = NSUnknownNumber_SummaryProvider(
+            valobj, class_data.sys_params)
+        statistics.metric_hit(
+            'unknown_class',
+            valobj.GetName() +
+            " seen as " +
+            name_string)
+    return wrapper
 
 
-def __lldb_init_module(debugger,dict):
-	debugger.HandleCommand("type summary add -F NSNumber.NSNumber_SummaryProvider NSNumber")
-	debugger.HandleCommand("type summary add -F NSNumber.NSNumber_SummaryProvider __NSCFBoolean")
-	debugger.HandleCommand("type summary add -F NSNumber.NSNumber_SummaryProvider __NSCFNumber")
+def NSNumber_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.value()
+        except Exception as foo:
+            print foo
+#		except:
+            summary = None
+        logger >> "got summary " + str(summary)
+        if summary is None:
+            summary = '<variable is not NSNumber>'
+        return str(summary)
+    return 'Summary Unavailable'
+
 
+def __lldb_init_module(debugger, dict):
+    debugger.HandleCommand(
+        "type summary add -F NSNumber.NSNumber_SummaryProvider NSNumber")
+    debugger.HandleCommand(
+        "type summary add -F NSNumber.NSNumber_SummaryProvider __NSCFBoolean")
+    debugger.HandleCommand(
+        "type summary add -F NSNumber.NSNumber_SummaryProvider __NSCFNumber")