2 LLDB Formatters for LLVM data types.
4 Load into LLDB with 'command script import /path/to/lldbDataFormatters.py'
7 def __lldb_init_module(debugger, internal_dict):
8 debugger.HandleCommand('type category define -e llvm -l c++')
9 debugger.HandleCommand('type synthetic add -w llvm '
10 '-l lldbDataFormatters.SmallVectorSynthProvider '
11 '-x "^llvm::SmallVectorImpl<.+>$"')
12 debugger.HandleCommand('type synthetic add -w llvm '
13 '-l lldbDataFormatters.SmallVectorSynthProvider '
14 '-x "^llvm::SmallVector<.+,.+>$"')
16 # Pretty printer for llvm::SmallVector/llvm::SmallVectorImpl
17 class SmallVectorSynthProvider:
18 def __init__(self, valobj, dict):
20 self.update() # initialize this provider
22 def num_children(self):
23 begin = self.begin.GetValueAsUnsigned(0)
24 end = self.end.GetValueAsUnsigned(0)
25 return (end - begin)/self.type_size
27 def get_child_index(self, name):
29 return int(name.lstrip('[').rstrip(']'))
33 def get_child_at_index(self, index):
37 if index >= self.num_children():
40 offset = index * self.type_size
41 return self.begin.CreateChildAtOffset('['+str(index)+']',
42 offset, self.data_type)
45 self.begin = self.valobj.GetChildMemberWithName('BeginX')
46 self.end = self.valobj.GetChildMemberWithName('EndX')
47 the_type = self.valobj.GetType()
48 # If this is a reference type we have to dereference it to get to the
50 if the_type.IsReferenceType():
51 the_type = the_type.GetDereferencedType()
53 self.data_type = the_type.GetTemplateArgumentType(0)
54 self.type_size = self.data_type.GetByteSize()
55 assert self.type_size != 0