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refactor focusing on xo-alloc2/ xo-gc/ write-barrier

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ability to inform allocator of gco->gco mutation, via AAllocator i/face.
This commit is contained in:
Roland Conybeare 2026-05-01 19:54:26 -04:00
commit 024574350a
9 changed files with 75 additions and 64 deletions
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32
utest/DArray.test.cpp
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@ -30,12 +30,12 @@ namespace xo {
REQUIRE(arr.size() == 0);
REQUIRE(arr.capacity() == 0);
REQUIRE(arr.is_empty());;
REQUIRE(arr.is_empty());
// null_gc: for no memory barrier
obj<ACollector> null_gc;
// null_mm: for no memory barrier
obj<AAllocator> null_mm;
REQUIRE(arr.push_back(null_gc, ListOps::nil()) == false);
REQUIRE(arr.push_back(null_mm, ListOps::nil()) == false);
}
TEST_CASE("DArray-empty", "[object2][DArray]")
@ -61,7 +61,7 @@ namespace xo {
.size_ = 4*1024 };
DArena arena = DArena::map(cfg);
auto alloc = with_facet<AAllocator>::mkobj(&arena);
obj<ACollector> null_gc;
obj<AAllocator> null_mm;
DArray * arr = DArray::_empty(alloc, 16);
REQUIRE(arr != nullptr);
@ -70,7 +70,7 @@ namespace xo {
obj<AGCObject> elt = DInteger::box<AGCObject>(alloc, 42);
bool ok = arr->push_back(null_gc, elt);
bool ok = arr->push_back(null_mm, elt);
REQUIRE(ok == true);
REQUIRE(arr->is_empty() == false);
@ -84,7 +84,7 @@ namespace xo {
.size_ = 4*1024 };
DArena arena = DArena::map(cfg);
auto alloc = with_facet<AAllocator>::mkobj(&arena);
obj<ACollector> null_gc;
obj<AAllocator> null_mm;
DArray * arr = DArray::_empty(alloc, 4);
REQUIRE(arr != nullptr);
@ -96,7 +96,7 @@ namespace xo {
REQUIRE(arr->size() == i);
obj<AGCObject> elt = DInteger::box<AGCObject>(alloc, 100 + i);
bool ok = arr->push_back(null_gc, elt);
bool ok = arr->push_back(null_mm, elt);
REQUIRE(ok == true);
REQUIRE(arr->capacity() == 4);
@ -113,7 +113,7 @@ namespace xo {
auto alloc = with_facet<AAllocator>::mkobj(&arena);
DArray * arr = DArray::_empty(alloc, 2);
obj<ACollector> null_gc;
obj<AAllocator> null_mm;
REQUIRE(arr != nullptr);
REQUIRE(arr->capacity() == 2);
@ -123,11 +123,11 @@ namespace xo {
obj<AGCObject> e2 = DInteger::box<AGCObject>(alloc, 2);
obj<AGCObject> e3 = DInteger::box<AGCObject>(alloc, 3);
REQUIRE(arr->push_back(null_gc, e1) == true);
REQUIRE(arr->push_back(null_mm, e1) == true);
REQUIRE(arr->size() == 1);
REQUIRE(arr->push_back(null_gc, e2) == true);
REQUIRE(arr->push_back(null_mm, e2) == true);
REQUIRE(arr->size() == 2);
REQUIRE(arr->push_back(null_gc, e3) == false);
REQUIRE(arr->push_back(null_mm, e3) == false);
REQUIRE(arr->size() == 2);
REQUIRE(arr->capacity() == 2);
}
@ -140,7 +140,7 @@ namespace xo {
auto alloc = with_facet<AAllocator>::mkobj(&arena);
DArray * arr = DArray::_empty(alloc, 4);
obj<ACollector> null_gc;
obj<AAllocator> null_mm;
REQUIRE(arr != nullptr);
REQUIRE(arr->size() == 0);
@ -150,9 +150,9 @@ namespace xo {
obj<AGCObject> e1 = DInteger::box<AGCObject>(alloc, 200);
obj<AGCObject> e2 = DInteger::box<AGCObject>(alloc, 300);
arr->push_back(null_gc, e0);
arr->push_back(null_gc, e1);
arr->push_back(null_gc, e2);
arr->push_back(null_mm, e0);
arr->push_back(null_mm, e1);
arr->push_back(null_mm, e2);
REQUIRE(arr->size() == 3);