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utils: Teach lldbDataFormatters about llvm::Optional

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llvm-svn: 229956
This commit is contained in:
Justin Bogner 2015-02-20 02:55:22 +00:00
parent 6677809820
commit 3e18de2dbb
1 changed files with 10 additions and 0 deletions
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10
llvm/utils/lldbDataFormatters.py
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@ -15,6 +15,9 @@ def __lldb_init_module(debugger, internal_dict):
debugger.HandleCommand('type synthetic add -w llvm '
'-l lldbDataFormatters.ArrayRefSynthProvider '
'-x "^llvm::ArrayRef<.+>$"')
debugger.HandleCommand('type summary add -w llvm '
'-F lldbDataFormatters.OptionalSummaryProvider '
'-x "^llvm::Optional<.+>$"')
# Pretty printer for llvm::SmallVector/llvm::SmallVectorImpl
class SmallVectorSynthProvider:
@ -86,3 +89,10 @@ class ArrayRefSynthProvider:
self.data_type = self.data.GetType().GetPointeeType()
self.type_size = self.data_type.GetByteSize()
assert self.type_size != 0
def OptionalSummaryProvider(valobj, internal_dict):
if not valobj.GetChildMemberWithName('hasVal').GetValueAsUnsigned(0):
return 'None'
underlying_type = valobj.GetType().GetTemplateArgumentType(0)
storage = valobj.GetChildMemberWithName('storage')
return str(storage.Cast(underlying_type))