Fix LLDB scripts by using the toplevel RBasic #13096
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eightbitraptor
approved these changes
Apr 10, 2025
| @@ -68,7 +68,7 @@ def vm_frame_magic(self, cfp): | |||
| return self.VM_FRAME_MAGIC_NAME.get(frame_type, "(none)") | |||
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| def rb_iseq_path_str(self, iseq): | |||
| tRBasic = self.target.FindFirstType("struct RBasic").GetPointerType() | |||
| tRBasic = self.target.FindFirstType("::RBasic").GetPointerType() | |||
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I had no idea you could reference constants like this! This is great.
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Move _append_command_output and _append_expression to LLDBInterface, and use it from HeapPageCommand after setting result.
`rp` and other commands were broken for me because they always showed
the object as a T_NONE.
The reason was that instead of returning the type `struct RBasic`,
FindFirstType("struct RBasic") was returning
`yjit::cruby::autogened::RBasic`.
Explicitly asking for the top-level RBasic by prefixing it with `::` is
enough to fix those commands.
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With @eightbitraptor we figured the issue I had in #13048 by using
target.FindTypesinstead and looking at the results.target.FindFirstType("struct RBasic")was returning theyjit::cruby::autogened::RBasictype instead ofstruct RBasicand then somehow getting the flags always returned 0.Explicitly asking for the toplevel namespace
RBasicby prefixing with::fixes that issue.I also took the opportunity to fix the
heap_pagecommand by moving some parts ofRbInspectorintoLLDBInterfaceand setting theresultin thecallmethod.rbbtis still broken for me anddump_pagejust never returns or is very slow, but I still fixed the usage there for good measure.Before
After