Mercurial > hg > CbC > CbC_llvm

comparison utils/lldbDataFormatters.py @ 0:95c75e76d11b LLVM3.4

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children 54457678186b
comparison
equal deleted inserted replaced
-1:000000000000 0:95c75e76d11b
1 """
2 Load into LLDB with:
3 script import lldbDataFormatters
4 type synthetic add -x "^llvm::SmallVectorImpl<.+>$" -l lldbDataFormatters.SmallVectorSynthProvider
5 type synthetic add -x "^llvm::SmallVector<.+,.+>$" -l lldbDataFormatters.SmallVectorSynthProvider
6 """
7
8 # Pretty printer for llvm::SmallVector/llvm::SmallVectorImpl
9 class SmallVectorSynthProvider:
10 def __init__(self, valobj, dict):
11 self.valobj = valobj;
12 self.update() # initialize this provider
13
14 def num_children(self):
15 begin = self.begin.GetValueAsUnsigned(0)
16 end = self.end.GetValueAsUnsigned(0)
17 return (end - begin)/self.type_size
18
19 def get_child_index(self, name):
20 try:
21 return int(name.lstrip('[').rstrip(']'))
22 except:
23 return -1;
24
25 def get_child_at_index(self, index):
26 # Do bounds checking.
27 if index < 0:
28 return None
29 if index >= self.num_children():
30 return None;
31
32 offset = index * self.type_size
33 return self.begin.CreateChildAtOffset('['+str(index)+']',
34 offset, self.data_type)
35
36 def update(self):
37 self.begin = self.valobj.GetChildMemberWithName('BeginX')
38 self.end = self.valobj.GetChildMemberWithName('EndX')
39 the_type = self.valobj.GetType()
40 # If this is a reference type we have to dereference it to get to the
41 # template parameter.
42 if the_type.IsReferenceType():
43 the_type = the_type.GetDereferencedType()
44
45 self.data_type = the_type.GetTemplateArgumentType(0)
46 self.type_size = self.data_type.GetByteSize()
47 assert self.type_size != 0