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Fix pretty-printers not working when constexpr variables are optimized away (#315)

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* Move unordered_printers.hpp into 'detail', where it should have been from the beginning

This is not a public header. It is only meant to be consumed as a transitive include.

* Store self.table instead of self.val

* Fix pretty-printers not working when constexpr variables are optimized away

Also do a few other things.
* `groups` and `elements` are now stored inside `self`
* `mask`, `n0`, and `n` aren't declared ahead of their first assignment
* Remove trailing whitespace

* Update the generated pretty-printer header
This commit is contained in:
Braden Ganetsky
2025-08-22 03:15:49 -05:00
committed by GitHub
parent 59e2a562ed
commit 6fd63ab727
4 changed files with 75 additions and 79 deletions
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include/boost/unordered/detail/foa/core.hpp
+1 -1
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@@ -29,7 +29,7 @@
#include <boost/unordered/detail/mulx.hpp>
#include <boost/unordered/detail/static_assert.hpp>
#include <boost/unordered/detail/type_traits.hpp>
#include <boost/unordered/unordered_printers.hpp>
#include <boost/unordered/detail/unordered_printers.hpp>
#include <climits>
#include <cmath>
#include <cstddef>
include/boost/unordered/detail/implementation.hpp
+1 -1
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@@ -21,7 +21,7 @@
#include <boost/unordered/detail/serialize_tracked_address.hpp>
#include <boost/unordered/detail/static_assert.hpp>
#include <boost/unordered/detail/type_traits.hpp>
#include <boost/unordered/unordered_printers.hpp>
#include <boost/unordered/detail/unordered_printers.hpp>
#include <boost/assert.hpp>
#include <boost/core/allocator_traits.hpp>
include/boost/unordered/unordered_printers.hpp → include/boost/unordered/detail/unordered_printers.hpp
+33 -35
View File
@@ -1,11 +1,11 @@
// Copyright 2024 Braden Ganetsky
// Copyright 2024-2025 Braden Ganetsky
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
// Generated on 2024-08-25T17:48:54
// Generated on 2025-08-21T03:09:19
#ifndef BOOST_UNORDERED_UNORDERED_PRINTERS_HPP
#define BOOST_UNORDERED_UNORDERED_PRINTERS_HPP
#ifndef BOOST_UNORDERED_DETAIL_UNORDERED_PRINTERS_HPP
#define BOOST_UNORDERED_DETAIL_UNORDERED_PRINTERS_HPP
#ifndef BOOST_ALL_NO_EMBEDDED_GDB_SCRIPTS
#if defined(__ELF__)
@@ -14,7 +14,7 @@
#pragma clang diagnostic ignored "-Woverlength-strings"
#endif
__asm__(".pushsection \".debug_gdb_scripts\", \"MS\",%progbits,1\n"
".ascii \"\\4gdb.inlined-script.BOOST_UNORDERED_UNORDERED_PRINTERS_HPP\\n\"\n"
".ascii \"\\4gdb.inlined-script.BOOST_UNORDERED_DETAIL_UNORDERED_PRINTERS_HPP\\n\"\n"
".ascii \"import gdb.printing\\n\"\n"
".ascii \"import gdb.xmethod\\n\"\n"
".ascii \"import re\\n\"\n"
@@ -58,14 +58,15 @@ __asm__(".pushsection \".debug_gdb_scripts\", \"MS\",%progbits,1\n"
".ascii \"class BoostUnorderedFcaPrinter:\\n\"\n"
".ascii \" def __init__(self, val):\\n\"\n"
".ascii \" self.val = BoostUnorderedHelpers.maybe_unwrap_reference(val)\\n\"\n"
".ascii \" self.name = f\\\"{self.val.type.strip_typedefs()}\\\".split(\\\"<\\\")[0]\\n\"\n"
".ascii \" val = BoostUnorderedHelpers.maybe_unwrap_reference(val)\\n\"\n"
".ascii \" self.table = val[\\\"table_\\\"]\\n\"\n"
".ascii \" self.name = f\\\"{val.type.strip_typedefs()}\\\".split(\\\"<\\\")[0]\\n\"\n"
".ascii \" self.name = self.name.replace(\\\"boost::unordered::\\\", \\\"boost::\\\")\\n\"\n"
".ascii \" self.is_map = self.name.endswith(\\\"map\\\")\\n\"\n"
".ascii \" self.cpo = BoostUnorderedPointerCustomizationPoint(self.val[\\\"table_\\\"][\\\"buckets_\\\"][\\\"buckets\\\"])\\n\"\n"
".ascii \" self.cpo = BoostUnorderedPointerCustomizationPoint(self.table[\\\"buckets_\\\"][\\\"buckets\\\"])\\n\"\n"
".ascii \" def to_string(self):\\n\"\n"
".ascii \" size = self.val[\\\"table_\\\"][\\\"size_\\\"]\\n\"\n"
".ascii \" size = self.table[\\\"size_\\\"]\\n\"\n"
".ascii \" return f\\\"{self.name} with {size} elements\\\"\\n\"\n"
".ascii \" def display_hint(self):\\n\"\n"
@@ -73,7 +74,7 @@ __asm__(".pushsection \".debug_gdb_scripts\", \"MS\",%progbits,1\n"
".ascii \" def children(self):\\n\"\n"
".ascii \" def generator():\\n\"\n"
".ascii \" grouped_buckets = self.val[\\\"table_\\\"][\\\"buckets_\\\"]\\n\"\n"
".ascii \" grouped_buckets = self.table[\\\"buckets_\\\"]\\n\"\n"
".ascii \" size = grouped_buckets[\\\"size_\\\"]\\n\"\n"
".ascii \" buckets = grouped_buckets[\\\"buckets\\\"]\\n\"\n"
@@ -167,14 +168,20 @@ __asm__(".pushsection \".debug_gdb_scripts\", \"MS\",%progbits,1\n"
".ascii \"class BoostUnorderedFoaPrinter:\\n\"\n"
".ascii \" def __init__(self, val):\\n\"\n"
".ascii \" self.val = BoostUnorderedHelpers.maybe_unwrap_reference(val)\\n\"\n"
".ascii \" self.name = f\\\"{self.val.type.strip_typedefs()}\\\".split(\\\"<\\\")[0]\\n\"\n"
".ascii \" val = BoostUnorderedHelpers.maybe_unwrap_reference(val)\\n\"\n"
".ascii \" self.table = val[\\\"table_\\\"]\\n\"\n"
".ascii \" self.name = f\\\"{val.type.strip_typedefs()}\\\".split(\\\"<\\\")[0]\\n\"\n"
".ascii \" self.name = self.name.replace(\\\"boost::unordered::\\\", \\\"boost::\\\")\\n\"\n"
".ascii \" self.is_map = self.name.endswith(\\\"map\\\")\\n\"\n"
".ascii \" self.cpo = BoostUnorderedPointerCustomizationPoint(self.val[\\\"table_\\\"][\\\"arrays\\\"][\\\"groups_\\\"])\\n\"\n"
".ascii \" self.cpo = BoostUnorderedPointerCustomizationPoint(self.table[\\\"arrays\\\"][\\\"groups_\\\"])\\n\"\n"
".ascii \" self.groups = self.cpo.to_address(self.table[\\\"arrays\\\"][\\\"groups_\\\"])\\n\"\n"
".ascii \" self.elements = self.cpo.to_address(self.table[\\\"arrays\\\"][\\\"elements_\\\"])\\n\"\n"
".ascii \" self.N = 15 # `self.groups.dereference()[\\\"N\\\"]` may be optimized out\\n\"\n"
".ascii \" self.sentinel_ = 1 # `self.groups.dereference()[\\\"sentinel_\\\"]` may be optimized out\\n\"\n"
".ascii \" def to_string(self):\\n\"\n"
".ascii \" size = BoostUnorderedHelpers.maybe_unwrap_atomic(self.val[\\\"table_\\\"][\\\"size_ctrl\\\"][\\\"size\\\"])\\n\"\n"
".ascii \" size = BoostUnorderedHelpers.maybe_unwrap_atomic(self.table[\\\"size_ctrl\\\"][\\\"size\\\"])\\n\"\n"
".ascii \" return f\\\"{self.name} with {size} elements\\\"\\n\"\n"
".ascii \" def display_hint(self):\\n\"\n"
@@ -204,30 +211,21 @@ __asm__(".pushsection \".debug_gdb_scripts\", \"MS\",%progbits,1\n"
".ascii \" m = group[\\\"m\\\"]\\n\"\n"
".ascii \" at = lambda b: BoostUnorderedHelpers.maybe_unwrap_atomic(m[b][\\\"n\\\"])\\n\"\n"
".ascii \" N = group[\\\"N\\\"]\\n\"\n"
".ascii \" sentinel_ = group[\\\"sentinel_\\\"]\\n\"\n"
".ascii \" if self.is_regular_layout(group):\\n\"\n"
".ascii \" return pos == N-1 and at(N-1) == sentinel_\\n\"\n"
".ascii \" return pos == self.N-1 and at(self.N-1) == self.sentinel_\\n\"\n"
".ascii \" else:\\n\"\n"
".ascii \" return pos == N-1 and (at(0) & 0x4000400040004000) == 0x4000 and (at(1) & 0x4000400040004000) == 0\\n\"\n"
".ascii \" return pos == self.N-1 and (at(0) & 0x4000400040004000) == 0x4000 and (at(1) & 0x4000400040004000) == 0\\n\"\n"
".ascii \" def children(self):\\n\"\n"
".ascii \" def generator():\\n\"\n"
".ascii \" table = self.val[\\\"table_\\\"]\\n\"\n"
".ascii \" groups = self.cpo.to_address(table[\\\"arrays\\\"][\\\"groups_\\\"])\\n\"\n"
".ascii \" elements = self.cpo.to_address(table[\\\"arrays\\\"][\\\"elements_\\\"])\\n\"\n"
".ascii \" pc_ = groups.cast(gdb.lookup_type(\\\"unsigned char\\\").pointer())\\n\"\n"
".ascii \" p_ = elements\\n\"\n"
".ascii \" pc_ = self.groups.cast(gdb.lookup_type(\\\"unsigned char\\\").pointer())\\n\"\n"
".ascii \" p_ = self.elements\\n\"\n"
".ascii \" first_time = True\\n\"\n"
".ascii \" mask = 0\\n\"\n"
".ascii \" n0 = 0\\n\"\n"
".ascii \" n = 0\\n\"\n"
".ascii \" count = 0\\n\"\n"
".ascii \" while p_ != 0:\\n\"\n"
".ascii \" # This if block mirrors the condition in the begin() call\\n\"\n"
".ascii \" if (not first_time) or (self.match_occupied(groups.dereference()) & 1):\\n\"\n"
".ascii \" if (not first_time) or (self.match_occupied(self.groups.dereference()) & 1):\\n\"\n"
".ascii \" pointer = BoostUnorderedHelpers.maybe_unwrap_foa_element(p_)\\n\"\n"
".ascii \" value = self.cpo.to_address(pointer).dereference()\\n\"\n"
".ascii \" if self.is_map:\\n\"\n"
@@ -241,17 +239,17 @@ __asm__(".pushsection \".debug_gdb_scripts\", \"MS\",%progbits,1\n"
".ascii \" count += 1\\n\"\n"
".ascii \" first_time = False\\n\"\n"
".ascii \" n0 = pc_.cast(gdb.lookup_type(\\\"uintptr_t\\\")) % groups.dereference().type.sizeof\\n\"\n"
".ascii \" n0 = pc_.cast(gdb.lookup_type(\\\"uintptr_t\\\")) % self.groups.dereference().type.sizeof\\n\"\n"
".ascii \" pc_ = self.cpo.next(pc_, -n0)\\n\"\n"
".ascii \" mask = (self.match_occupied(pc_.cast(groups.type).dereference()) >> (n0+1)) << (n0+1)\\n\"\n"
".ascii \" mask = (self.match_occupied(pc_.cast(self.groups.type).dereference()) >> (n0+1)) << (n0+1)\\n\"\n"
".ascii \" while mask == 0:\\n\"\n"
".ascii \" pc_ = self.cpo.next(pc_, groups.dereference().type.sizeof)\\n\"\n"
".ascii \" p_ = self.cpo.next(p_, groups.dereference()[\\\"N\\\"])\\n\"\n"
".ascii \" mask = self.match_occupied(pc_.cast(groups.type).dereference())\\n\"\n"
".ascii \" pc_ = self.cpo.next(pc_, self.groups.dereference().type.sizeof)\\n\"\n"
".ascii \" p_ = self.cpo.next(p_, self.N)\\n\"\n"
".ascii \" mask = self.match_occupied(pc_.cast(self.groups.type).dereference())\\n\"\n"
".ascii \" n = BoostUnorderedHelpers.countr_zero(mask)\\n\"\n"
".ascii \" if self.is_sentinel(pc_.cast(groups.type).dereference(), n):\\n\"\n"
".ascii \" if self.is_sentinel(pc_.cast(self.groups.type).dereference(), n):\\n\"\n"
".ascii \" p_ = 0\\n\"\n"
".ascii \" else:\\n\"\n"
".ascii \" pc_ = self.cpo.next(pc_, n)\\n\"\n"
@@ -411,4 +409,4 @@ __asm__(".pushsection \".debug_gdb_scripts\", \"MS\",%progbits,1\n"
#endif // defined(__ELF__)
#endif // !defined(BOOST_ALL_NO_EMBEDDED_GDB_SCRIPTS)
#endif // !defined(BOOST_UNORDERED_UNORDERED_PRINTERS_HPP)
#endif // !defined(BOOST_UNORDERED_DETAIL_UNORDERED_PRINTERS_HPP)