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<.+>$"')
12 debugger.HandleCommand('type synthetic add -w llvm '
13 '-l lldbDataFormatters.SmallVectorSynthProvider '
14 '-x "^llvm::SmallVector<.+,.+>$"')
15 debugger.HandleCommand('type synthetic add -w llvm '
16 '-l lldbDataFormatters.ArrayRefSynthProvider '
17 '-x "^llvm::ArrayRef<.+>$"')
19 # Pretty printer for llvm::SmallVector/llvm::SmallVectorImpl
20 class SmallVectorSynthProvider:
21 def __init__(self, valobj, dict):
23 self.update() # initialize this provider
25 def num_children(self):
26 begin = self.begin.GetValueAsUnsigned(0)
27 end = self.end.GetValueAsUnsigned(0)
28 return (end - begin)/self.type_size
30 def get_child_index(self, name):
32 return int(name.lstrip('[').rstrip(']'))
36 def get_child_at_index(self, index):
40 if index >= self.num_children():
43 offset = index * self.type_size
44 return self.begin.CreateChildAtOffset('['+str(index)+']',
45 offset, self.data_type)
48 self.begin = self.valobj.GetChildMemberWithName('BeginX')
49 self.end = self.valobj.GetChildMemberWithName('EndX')
50 the_type = self.valobj.GetType()
51 # If this is a reference type we have to dereference it to get to the
53 if the_type.IsReferenceType():
54 the_type = the_type.GetDereferencedType()
56 self.data_type = the_type.GetTemplateArgumentType(0)
57 self.type_size = self.data_type.GetByteSize()
58 assert self.type_size != 0
60 class ArrayRefSynthProvider:
61 """ Provider for llvm::ArrayRef """
62 def __init__(self, valobj, dict):
64 self.update() # initialize this provider
66 def num_children(self):
69 def get_child_index(self, name):
71 return int(name.lstrip('[').rstrip(']'))
75 def get_child_at_index(self, index):
76 if index < 0 or index >= self.num_children():
78 offset = index * self.type_size
79 return self.data.CreateChildAtOffset('[' + str(index) + ']',
80 offset, self.data_type)
83 self.data = self.valobj.GetChildMemberWithName('Data')
84 length_obj = self.valobj.GetChildMemberWithName('Length')
85 self.length = length_obj.GetValueAsUnsigned(0)
86 self.data_type = self.data.GetType().GetPointeeType()
87 self.type_size = self.data_type.GetByteSize()
88 assert self.type_size != 0