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xo-reader2 stack: + ARuntimeContext.collector()

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access Collector API (if present) from runtime context
This commit is contained in:
Roland Conybeare 2026-03-24 21:59:59 -04:00
commit f483d3db41
9 changed files with 50 additions and 1 deletions
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14
idl/RuntimeContext.json5
View file

@ -31,6 +31,11 @@
definition: "xo::mm::AAllocator",
doc: [ "xo memory allocator" ],
},
{
name: "ACollector",
definition: "xo::mm::ACollector",
doc: [ "xo garbage collector" ],
},
{
name: "MemorySizeVisitor",
definition: "xo::mm::MemorySizeVisitor",
@ -47,6 +52,15 @@
noexcept: true,
attributes: [],
},
{
name: "collector",
doc: [ "collector facet for allocator. If non-null, same data pointer as allocator" ],
return_type: "obj<ACollector>",
args: [],
const: true,
noexcept: true,
attributes: [],
},
{
name: "stringtable",
doc: [ "stringtable for unique symbols" ],

4
include/xo/procedure2/DSimpleRcx.hpp
View file

@ -19,13 +19,15 @@ namespace xo {
class DSimpleRcx {
public:
using AAllocator = xo::mm::AAllocator;
using ACollector = xo::mm::ACollector;
using MemorySizeVisitor = xo::mm::MemorySizeVisitor;
public:
DSimpleRcx(obj<AAllocator> mm, StringTable * st)
: allocator_{mm}, stringtable_{st} {}
: allocator_{mm}, stringtable_{st} {}
obj<AAllocator> allocator() const noexcept { return allocator_; }
obj<ACollector> collector() const noexcept;
StringTable * stringtable() const noexcept { return stringtable_; }
void visit_pools(const MemorySizeVisitor & visitor) const;

4
include/xo/procedure2/detail/ARuntimeContext.hpp
View file

@ -42,6 +42,8 @@ public:
using Opaque = void *;
/** xo memory allocator **/
using AAllocator = xo::mm::AAllocator;
/** xo garbage collector **/
using ACollector = xo::mm::ACollector;
/** function to visit memory pools **/
using MemorySizeVisitor = xo::mm::MemorySizeVisitor;
///@}
@ -55,6 +57,8 @@ public:
virtual void _drop(Opaque d) const noexcept = 0;
/** default allocator to use for objects **/
virtual obj<AAllocator> allocator(Copaque data) const noexcept = 0;
/** collector facet for allocator. If non-null, same data pointer as allocator **/
virtual obj<ACollector> collector(Copaque data) const noexcept = 0;
/** stringtable for unique symbols **/
virtual StringTable * stringtable(Copaque data) const noexcept = 0;
/** invoke visitor for each distinct memory pool **/

2
include/xo/procedure2/detail/IRuntimeContext_Any.hpp
View file

@ -45,6 +45,7 @@ namespace scm {
/** integer identifying a type **/
using typeseq = xo::facet::typeseq;
using AAllocator = ARuntimeContext::AAllocator;
using ACollector = ARuntimeContext::ACollector;
using MemorySizeVisitor = ARuntimeContext::MemorySizeVisitor;
///@}
@ -61,6 +62,7 @@ namespace scm {
// const methods
[[noreturn]] obj<AAllocator> allocator(Copaque) const noexcept override { _fatal(); }
[[noreturn]] obj<ACollector> collector(Copaque) const noexcept override { _fatal(); }
[[noreturn]] StringTable * stringtable(Copaque) const noexcept override { _fatal(); }
[[noreturn]] void visit_pools(Copaque, MemorySizeVisitor) const override { _fatal(); }

3
include/xo/procedure2/detail/IRuntimeContext_DSimpleRcx.hpp
View file

@ -40,6 +40,7 @@ namespace xo {
/** @defgroup scm-runtimecontext-dsimplercx-type-traits **/
///@{
using AAllocator = xo::scm::ARuntimeContext::AAllocator;
using ACollector = xo::scm::ARuntimeContext::ACollector;
using MemorySizeVisitor = xo::scm::ARuntimeContext::MemorySizeVisitor;
using Copaque = xo::scm::ARuntimeContext::Copaque;
using Opaque = xo::scm::ARuntimeContext::Opaque;
@ -49,6 +50,8 @@ namespace xo {
// const methods
/** default allocator to use for objects **/
static obj<AAllocator> allocator(const DSimpleRcx & self) noexcept;
/** collector facet for allocator. If non-null, same data pointer as allocator **/
static obj<ACollector> collector(const DSimpleRcx & self) noexcept;
/** stringtable for unique symbols **/
static StringTable * stringtable(const DSimpleRcx & self) noexcept;
/** invoke visitor for each distinct memory pool **/

4
include/xo/procedure2/detail/IRuntimeContext_Xfer.hpp
View file

@ -31,6 +31,7 @@ namespace scm {
/** integer identifying a type **/
using typeseq = ARuntimeContext::typeseq;
using AAllocator = ARuntimeContext::AAllocator;
using ACollector = ARuntimeContext::ACollector;
using MemorySizeVisitor = ARuntimeContext::MemorySizeVisitor;
///@}
@ -50,6 +51,9 @@ namespace scm {
obj<AAllocator> allocator(Copaque data) const noexcept override {
return I::allocator(_dcast(data));
}
obj<ACollector> collector(Copaque data) const noexcept override {
return I::collector(_dcast(data));
}
StringTable * stringtable(Copaque data) const noexcept override {
return I::stringtable(_dcast(data));
}

4
include/xo/procedure2/detail/RRuntimeContext.hpp
View file

@ -32,6 +32,7 @@ public:
using DataPtr = Object::DataPtr;
using typeseq = xo::reflect::typeseq;
using AAllocator = ARuntimeContext::AAllocator;
using ACollector = ARuntimeContext::ACollector;
using MemorySizeVisitor = ARuntimeContext::MemorySizeVisitor;
///@}
@ -57,6 +58,9 @@ public:
obj<AAllocator> allocator() const noexcept {
return O::iface()->allocator(O::data());
}
obj<ACollector> collector() const noexcept {
return O::iface()->collector(O::data());
}
StringTable * stringtable() const noexcept {
return O::iface()->stringtable(O::data());
}

10
src/procedure2/DSimpleRcx.cpp
View file

@ -4,10 +4,20 @@
**/
#include "DSimpleRcx.hpp"
#include <xo/alloc2/Collector.hpp>
#include <xo/facet/FacetRegistry.hpp>
namespace xo {
using xo::mm::ACollector;
namespace scm {
obj<ACollector>
DSimpleRcx::collector() const noexcept
{
return allocator_.try_to_facet<ACollector>();
}
void
DSimpleRcx::visit_pools(const MemorySizeVisitor & visitor) const
{

6
src/procedure2/facet/IRuntimeContext_DSimpleRcx.cpp
View file

@ -21,6 +21,12 @@ namespace xo {
return self.allocator();
}
auto
IRuntimeContext_DSimpleRcx::collector(const DSimpleRcx & self) noexcept -> obj<ACollector>
{
return self.collector();
}
auto
IRuntimeContext_DSimpleRcx::stringtable(const DSimpleRcx & self) noexcept -> StringTable *
{