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Fix GDB pretty-printers to work with GCC and C++26 #342

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Merged
joaquintides merged 1 commit into from
Jan 27, 2026
Merged

Fix GDB pretty-printers to work with GCC and C++26 #342

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12 changes: 9 additions & 3 deletions extra/boost_unordered_printers.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
# Copyright 2024-2025 Braden Ganetsky
# Copyright 2024-2026 Braden Ganetsky
# Distributed under the Boost Software License, Version 1.0.
# https://www.boost.org/LICENSE_1_0.txt

Expand All @@ -16,8 +16,14 @@ def maybe_unwrap_atomic(n):
return n

def maybe_unwrap_foa_element(e):
if f"{e.type.strip_typedefs()}".startswith("boost::unordered::detail::foa::element_type<"):
return e["p"]
# Sometimes the complex typedefs can't be resolved through a pointer
if e.type.strip_typedefs().code == gdb.TYPE_CODE_PTR:
foa_element = e.dereference()
else:
foa_element = e

if f"{foa_element.type.strip_typedefs()}".startswith("boost::unordered::detail::foa::element_type<"):
return foa_element["p"]
else:
return e

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14 changes: 10 additions & 4 deletions include/boost/unordered/detail/unordered_printers.hpp
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Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
// Copyright 2024-2025 Braden Ganetsky
// Copyright 2024-2026 Braden Ganetsky
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt

// Generated on 2025-08-21T03:09:19
// Generated on 2026-01-24T00:34:53

#ifndef BOOST_UNORDERED_DETAIL_UNORDERED_PRINTERS_HPP
#define BOOST_UNORDERED_DETAIL_UNORDERED_PRINTERS_HPP
Expand All @@ -29,8 +29,14 @@ __asm__(".pushsection \".debug_gdb_scripts\", \"MS\",%progbits,1\n"
".ascii \" return n\\n\"\n"

".ascii \" def maybe_unwrap_foa_element(e):\\n\"\n"
".ascii \" if f\\\"{e.type.strip_typedefs()}\\\".startswith(\\\"boost::unordered::detail::foa::element_type<\\\"):\\n\"\n"
".ascii \" return e[\\\"p\\\"]\\n\"\n"
".ascii \" # Sometimes the complex typedefs can't be resolved through a pointer\\n\"\n"
".ascii \" if e.type.strip_typedefs().code == gdb.TYPE_CODE_PTR:\\n\"\n"
".ascii \" foa_element = e.dereference()\\n\"\n"
".ascii \" else:\\n\"\n"
".ascii \" foa_element = e\\n\"\n"

".ascii \" if f\\\"{foa_element.type.strip_typedefs()}\\\".startswith(\\\"boost::unordered::detail::foa::element_type<\\\"):\\n\"\n"
".ascii \" return foa_element[\\\"p\\\"]\\n\"\n"
".ascii \" else:\\n\"\n"
".ascii \" return e\\n\"\n"

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