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 48
