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Simplify the SmallVector pretty printer for LLDB a bit and make it work with reference types.

llvm-svn: 167674
This commit is contained in:
Benjamin Kramer 2012-11-10 09:45:32 +00:00
parent f8089e0864
commit 511004a2cd

View File

@ -2,6 +2,7 @@
Load into LLDB with:
script import lldbDataFormatters
type synthetic add -x "^llvm::SmallVectorImpl<.+>$" -l lldbDataFormatters.SmallVectorSynthProvider
type synthetic add -x "^llvm::SmallVector<.+,.+>$" -l lldbDataFormatters.SmallVectorSynthProvider
"""
# Pretty printer for llvm::SmallVector/llvm::SmallVectorImpl
@ -32,22 +33,15 @@ class SmallVectorSynthProvider:
return self.begin.CreateChildAtOffset('['+str(index)+']',
offset, self.data_type)
def get_type_from_name(self):
import re
name = self.valobj.GetType().GetName()
# This class works with both SmallVectors and SmallVectorImpls.
res = re.match("^(llvm::)?SmallVectorImpl<(.+)>$", name)
if res:
return res.group(2)
res = re.match("^(llvm::)?SmallVector<(.+), \d+>$", name)
if res:
return res.group(2)
return None
def update(self):
self.begin = self.valobj.GetChildMemberWithName('BeginX')
self.end = self.valobj.GetChildMemberWithName('EndX')
data_type = self.get_type_from_name()
# FIXME: this sometimes returns an invalid type.
self.data_type = self.valobj.GetTarget().FindFirstType(data_type)
the_type = self.valobj.GetType()
# If this is a reference type we have to dereference it to get to the
# template parameter.
if the_type.IsReferenceType():
the_type = the_type.GetDereferencedType()
self.data_type = the_type.GetTemplateArgumentType(0)
self.type_size = self.data_type.GetByteSize()
assert self.type_size != 0