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refactor: + narrower interface for gc pointer forwarding

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add AGCObjectVisitor, instead of requiring ACollector.
This commit is contained in:
Roland Conybeare 2026-04-05 23:53:02 -04:00
commit d740c94406
105 changed files with 260 additions and 416 deletions
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7
include/xo/reader2/parser/DSchematikaParser.hpp
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@ -10,6 +10,7 @@
#include "ParserResult.hpp"
#include <xo/tokenizer2/Token.hpp>
#include <xo/alloc2/Allocator.hpp>
#include <xo/alloc2/GCObjectVisitor.hpp>
namespace xo {
namespace scm {
@ -164,8 +165,9 @@ namespace xo {
using ArenaHashMapConfig = xo::map::ArenaHashMapConfig;
using ArenaConfig = xo::mm::ArenaConfig;
using ACollector = xo::mm::ACollector;
using AAllocator = xo::mm::AAllocator;
using AGCObject = xo::mm::AGCObject;
using AGCObjectVisitor = xo::mm::AGCObjectVisitor;
using AAllocator = xo::mm::AAllocator;
using MemorySizeVisitor = xo::mm::MemorySizeVisitor;
using ppindentinfo = xo::print::ppindentinfo;
using size_type = std::size_t;
@ -292,11 +294,10 @@ namespace xo {
/** @defgroup scm-schematikaparser-gcobject-methods **/
///@{
std::size_t shallow_size() const noexcept;
/** not implemented (SchematikaParser not designed to be copyable) **/
DSchematikaParser * shallow_move(obj<ACollector> gc) noexcept;
/** forward gc-aware children **/
std::size_t forward_children(obj<ACollector> gc) noexcept;
void visit_gco_children(obj<AGCObjectVisitor> gc) noexcept;
///@}
private:

7
include/xo/reader2/parser/IGCObject_DSchematikaParser.hpp
View file

@ -44,6 +44,7 @@ namespace xo {
using size_type = xo::mm::AGCObject::size_type;
using AAllocator = xo::mm::AGCObject::AAllocator;
using ACollector = xo::mm::AGCObject::ACollector;
using AGCObjectVisitor = xo::mm::AGCObject::AGCObjectVisitor;
using Copaque = xo::mm::AGCObject::Copaque;
using Opaque = xo::mm::AGCObject::Opaque;
///@}
@ -54,8 +55,10 @@ namespace xo {
// non-const methods
/** move instance using allocator **/
static Opaque shallow_move(DSchematikaParser & self, obj<ACollector> gc) noexcept;
/** during GC: forward immdiate children **/
static void forward_children(DSchematikaParser & self, obj<ACollector> gc) noexcept;
/** Invoke fn.visit_child(iface,data) for each child GCObject pointer.
Context: provides address of data pointer so it can be updated in place
when @p fn invokes garbage collector reentry point **/
static void visit_gco_children(DSchematikaParser & self, obj<AGCObjectVisitor> fn) noexcept;
///@}
};