58c5252b28
Synthetic providers for collection types use a child name format of "[N]". This `ValueObjectSynthetic` to automatically convert child names in this convention to the index embedded in the subscript string. With this change, synthetic formatters for collections will only need to implement `GetIndexOfChildWithName` or `get_child_index` for non-indexed collection children. Some examples of non-indexed children are `$$dereference$$` support, or "hidden" children. The automatic conversion applies to N values that are less than the number of children reported by the synthetic provider.
24 lines
844 B
Python
24 lines
844 B
Python
import lldb
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test.decorators import *
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from lldbsuite.test import lldbutil
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class TestCase(TestBase):
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def test(self):
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self.build()
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_, process, _, _ = lldbutil.run_to_source_breakpoint(
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self, "break here", lldb.SBFileSpec("main.c")
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)
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self.runCmd("command script import thing_formatter.py")
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frame = process.selected_thread.selected_frame
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x = frame.var("x")
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names = ("zero", "one")
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for i in range(x.num_children):
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idx = x.GetIndexOfChildWithName(f"[{i}]")
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self.assertEqual(idx, i)
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child = x.GetChildAtIndex(idx)
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self.assertEqual(child.name, names[idx])
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idx = x.GetIndexOfChildWithName(f"[{x.num_children + 1}]")
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self.assertEqual(idx, lldb.UINT32_MAX)
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