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Add lldb pretty printers for ShortPtr, Vector, Int24, Int48.
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100
extra/natvis.py
100
extra/natvis.py
@ -1,11 +1,103 @@
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import lldb
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def VectorSummary(value, dict):
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size = value.GetChildMemberWithName('m_size').GetValueAsUnsigned()
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capacity = 1 << value.GetChildMemberWithName('m_capacity').GetValueAsUnsigned()
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magic = bool(value.GetChildMemberWithName('m_magic').GetValueAsUnsigned())
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return 'size={0}, capacity={1}, magic={2}'.format(size, capacity, magic)
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v = value.GetNonSyntheticValue()
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size = v.GetChildMemberWithName('m_size').GetValueAsUnsigned()
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capacityVal = v.GetChildMemberWithName('m_capacity').GetValueAsUnsigned()
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capacity = 1 << capacityVal if capacityVal < 63 else 'read-only'
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magic = bool(v.GetChildMemberWithName('m_magic').GetValueAsUnsigned())
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return '{{size={0}, capacity={1}, magic={2}}}'.format(size, capacity, magic)
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def ShortPtrSummary(value, dict):
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val = value.GetNonSyntheticValue()
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ptr = val.GetChildMemberWithName('m_ptr')
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type = val.GetType().GetTemplateArgumentType(0)
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p0 = ptr.GetChildAtIndex(0).GetValueAsUnsigned()
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p1 = ptr.GetChildAtIndex(1).GetValueAsUnsigned()
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p2 = ptr.GetChildAtIndex(2).GetValueAsUnsigned()
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p3 = ptr.GetChildAtIndex(3).GetValueAsUnsigned()
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p4 = ptr.GetChildAtIndex(4).GetValueAsUnsigned()
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p5 = ptr.GetChildAtIndex(5).GetValueAsUnsigned()
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#return '0x{0:02x}{1:02x}{2:02x}{3:02x}{4:02x}{5:02x}'.format(p5, p4, p3, p2, p1, p0)
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return value.CreateValueFromAddress('m_ptr', p0 | (p1 << 8) | (p2 << 16) | (p3 << 24) | (p4 << 32) | (p5 << 40), type)
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class ShortPtrPrinter:
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def __init__(self, val, dict):
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self.val = val
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self.type = self.val.GetType().GetTemplateArgumentType(0)
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def update(self):
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ptr = self.val.GetChildMemberWithName('m_ptr')
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p0 = ptr.GetChildAtIndex(0).GetValueAsUnsigned()
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p1 = ptr.GetChildAtIndex(1).GetValueAsUnsigned()
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p2 = ptr.GetChildAtIndex(2).GetValueAsUnsigned()
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p3 = ptr.GetChildAtIndex(3).GetValueAsUnsigned()
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p4 = ptr.GetChildAtIndex(4).GetValueAsUnsigned()
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p5 = ptr.GetChildAtIndex(5).GetValueAsUnsigned()
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self.ptr = p0 | (p1 << 8) | (p2 << 16) | (p3 << 24) | (p4 << 32) | (p5 << 40)
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def num_children(self):
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return 1
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def get_child_index(self, name):
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return int(name.lstrip('[').rstrip(']'))
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def get_child_at_index(self, index):
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return self.val.CreateValueFromAddress('m_ptr', self.ptr, self.type)
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class VectorPrinter:
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def __init__(self, val, dict):
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self.val = val
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self.magic = bool(val.GetChildMemberWithName('m_magic').GetValueAsUnsigned())
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if self.magic:
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self.type = val.GetType().GetTemplateArgumentType(0).GetTemplateArgumentType(0)
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else:
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self.type = val.GetType().GetTemplateArgumentType(0)
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self.stride = self.type.GetByteSize()
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def update(self):
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ptr = self.val.GetChildMemberWithName('m_ptr').GetChildMemberWithName('m_ptr')
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p0 = ptr.GetChildAtIndex(0).GetValueAsUnsigned()
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p1 = ptr.GetChildAtIndex(1).GetValueAsUnsigned()
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p2 = ptr.GetChildAtIndex(2).GetValueAsUnsigned()
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p3 = ptr.GetChildAtIndex(3).GetValueAsUnsigned()
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p4 = ptr.GetChildAtIndex(4).GetValueAsUnsigned()
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p5 = ptr.GetChildAtIndex(5).GetValueAsUnsigned()
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self.ptr = p0 | (p1 << 8) | (p2 << 16) | (p3 << 24) | (p4 << 32) | (p5 << 40)
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self.size = self.val.GetChildMemberWithName('m_size').GetValueAsUnsigned()
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def num_children(self):
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return self.size
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def get_child_index(self, name):
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return int(name.lstrip('[').rstrip(']'))
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def get_child_at_index(self, index):
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return self.val.CreateValueFromAddress('[%d]' % index, self.ptr + index * self.stride, self.type)
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def Int24Summary(value, dict):
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val = value.GetNonSyntheticValue().GetChildMemberWithName('m_val')
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p0 = val.GetChildAtIndex(0).GetValueAsUnsigned()
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p1 = val.GetChildAtIndex(1).GetValueAsUnsigned()
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p2 = val.GetChildAtIndex(2).GetValueAsUnsigned()
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return p0 | (p1 << 8) | (p2 << 16)
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def Int48Summary(value, dict):
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val = value.GetNonSyntheticValue().GetChildMemberWithName('m_val')
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p0 = val.GetChildAtIndex(0).GetValueAsUnsigned()
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p1 = val.GetChildAtIndex(1).GetValueAsUnsigned()
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p2 = val.GetChildAtIndex(2).GetValueAsUnsigned()
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p3 = val.GetChildAtIndex(3).GetValueAsUnsigned()
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p4 = val.GetChildAtIndex(4).GetValueAsUnsigned()
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p5 = val.GetChildAtIndex(5).GetValueAsUnsigned()
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return p0 | (p1 << 8) | (p2 << 16) | (p3 << 24) | (p4 << 32) | (p5 << 40)
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def __lldb_init_module(debugger, dict):
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lldb.formatters.Logger._lldb_formatters_debug_level = 2
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debugger.HandleCommand('type summary add -w tracy -F natvis.VectorSummary -x ^tracy::Vector<.+>')
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debugger.HandleCommand('type summary add -w tracy -F natvis.ShortPtrSummary -x ^tracy::short_ptr<.+>')
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debugger.HandleCommand('type summary add -w tracy -F natvis.Int24Summary -x ^tracy::Int24')
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debugger.HandleCommand('type summary add -w tracy -F natvis.Int48Summary -x ^tracy::Int48')
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debugger.HandleCommand('type synthetic add -w tracy -l natvis.VectorPrinter -x ^tracy::Vector<.+>')
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debugger.HandleCommand('type synthetic add -w tracy -l natvis.ShortPtrPrinter -x ^tracy::short_ptr<.+>')
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debugger.HandleCommand('type category enable tracy')
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