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crosslang/src/vm/gclist.cpp
T

77 lines
2.3 KiB
C++

/*
CrossLang is a dynamically-typed scripting language built on
TessesFramework, named in honor of Jesus's sacrifice.
Copyright (C) 2026 Mike Nolan
SPDX-License-Identifier: GPL-3.0-or-later WITH TessesFramework-Exception-1.0
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "CrossLang.hpp"
namespace Tesses::CrossLang {
GCList::GCList(std::shared_ptr<GC> gc) {
gc->BarrierBegin();
this->gc = gc;
gc->SetRoot(this);
gc->BarrierEnd();
}
std::shared_ptr<GC> GCList::GetGC() const { return this->gc; }
void GCList::Remove(TObject obj) {
if (std::holds_alternative<THeapObject *>(obj)) {
auto _item = std::get<THeapObject *>(obj);
if (_item == nullptr)
return;
this->gc->BarrierBegin();
for (auto index = this->items.begin(); index != this->items.end();
index++) {
if (*index == _item) {
this->items.erase(index);
continue;
}
}
this->gc->BarrierEnd();
}
}
void GCList::Add(TObject obj) {
if (std::holds_alternative<THeapObject *>(obj)) {
auto _item = std::get<THeapObject *>(obj);
if (_item == nullptr)
return;
this->gc->BarrierBegin();
for (auto item : this->items) {
if (item == _item) {
this->gc->BarrierEnd();
return;
}
}
this->items.push_back(_item);
this->gc->BarrierEnd();
}
}
void GCList::Mark() {
for (auto item : this->items) {
item->Mark();
}
}
GCList::~GCList() {
gc->BarrierBegin();
this->gc->UnsetRoot(this);
gc->BarrierEnd();
}
} // namespace Tesses::CrossLang