Mercurial > hg > CbC > CbC_llvm

annotate utils/lldbDataFormatters.py @ 3:9ad51c7bc036

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1st commit. remove git dir and add all files.
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Wed, 15 May 2013 06:43:32 +0900
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children 54457678186b
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1 """
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2 Load into LLDB with:
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3 script import lldbDataFormatters
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4 type synthetic add -x "^llvm::SmallVectorImpl<.+>$" -l lldbDataFormatters.SmallVectorSynthProvider
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5 type synthetic add -x "^llvm::SmallVector<.+,.+>$" -l lldbDataFormatters.SmallVectorSynthProvider
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6 """
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7
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8 # Pretty printer for llvm::SmallVector/llvm::SmallVectorImpl
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9 class SmallVectorSynthProvider:
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10 def __init__(self, valobj, dict):
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11 self.valobj = valobj;
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12 self.update() # initialize this provider
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13
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14 def num_children(self):
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15 begin = self.begin.GetValueAsUnsigned(0)
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16 end = self.end.GetValueAsUnsigned(0)
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17 return (end - begin)/self.type_size
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18
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19 def get_child_index(self, name):
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20 try:
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21 return int(name.lstrip('[').rstrip(']'))
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22 except:
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23 return -1;
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24
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25 def get_child_at_index(self, index):
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26 # Do bounds checking.
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27 if index < 0:
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28 return None
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29 if index >= self.num_children():
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30 return None;
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31
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32 offset = index * self.type_size
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33 return self.begin.CreateChildAtOffset('['+str(index)+']',
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34 offset, self.data_type)
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35
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36 def update(self):
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37 self.begin = self.valobj.GetChildMemberWithName('BeginX')
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38 self.end = self.valobj.GetChildMemberWithName('EndX')
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39 the_type = self.valobj.GetType()
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40 # If this is a reference type we have to dereference it to get to the
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41 # template parameter.
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42 if the_type.IsReferenceType():
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43 the_type = the_type.GetDereferencedType()
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45 self.data_type = the_type.GetTemplateArgumentType(0)
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46 self.type_size = self.data_type.GetByteSize()
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47 assert self.type_size != 0