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The Cocoa formatters now provide error messages for many of the common things-went-wrong situations. Previously they would say nothing or log failures to the Python console

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llvm-svn: 152673
This commit is contained in:
Enrico Granata
2012-03-13 21:52:00 +00:00
parent 08441ba45e
commit 3f1052b7cf
22 changed files with 549 additions and 452 deletions
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65
lldb/examples/summaries/cocoa/CFBitVector.py
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@@ -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 CF(Mutable)BitVector
import lldb
import ctypes
@@ -101,41 +108,31 @@ class CFBitVectorUnknown_SummaryProvider:
self.adjust_for_architecture();
def contents(self):
return '*** unknown class *** very bad thing *** find out my name ***'
return '<unable to summarize this CFBitVector>'
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()
if name_string == '__NSCFType':
actual_name = name_string
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():
pointee_type = valobj_type.GetPointeeType()
if pointee_type.GetName() == '__CFBitVector' or pointee_type.GetName() == '__CFMutableBitVector':
wrapper = CFBitVectorKnown_SummaryProvider(valobj, class_data.sys_params)
statistics.metric_hit('code_notrun',valobj)
else:
wrapper = CFBitVectorUnknown_SummaryProvider(valobj)
print pointee_type.GetName()
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
@@ -145,14 +142,16 @@ def GetSummary_Impl(valobj):
def CFBitVector_SummaryProvider (valobj,dict):
provider = GetSummary_Impl(valobj);
if provider != None:
#try:
summary = provider.contents();
#except:
# summary = None
if summary == None or summary == '':
summary = 'no valid bitvector here'
return summary
return ''
if isinstance(provider,objc_runtime.SpecialSituation_Description):
return provider.message()
try:
summary = provider.contents();
except:
summary = None
if summary == 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")