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tbv2: add support for std::reference_wrapper

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Closes #307

Test plan:
- CI
- Updated and enabled tests.
This commit is contained in:
Jake Hillion 2024-01-09 15:49:37 +00:00 committed by Jake Hillion
parent 08e2faa90e
commit 0e72947786
2 changed files with 61 additions and 2 deletions
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24
test/integration/std_reference_wrapper.toml
View File

@ -1,12 +1,14 @@
includes = ["functional"]
[cases]
[cases.int]
oil_skip = 'not implemented for treebuilder v2' # https://github.com/facebookexperimental/object-introspection/issues/307
param_types = ["const std::reference_wrapper<int>&"]
setup = "return std::ref(*new int(1));"
expect_json = '[{"staticSize":8, "dynamicSize":4, "length":1, "capacity":1, "elementStaticSize":4}]'
expect_json_v2 = '''[{
"size":12, "staticSize":8, "exclusiveSize":8, "length":1, "capacity":1, "members":[
{"size":4, "staticSize":4, "exclusiveSize":4, "members":[]}
]}]'''
[cases.vector]
oil_skip = 'not implemented for treebuilder v2' # https://github.com/facebookexperimental/object-introspection/issues/307
param_types = ["const std::vector<std::reference_wrapper<int>>&"]
setup = "return {{std::ref(*new int(1)), std::ref(*new int(2)), std::ref(*new int(3))}};"
expect_json = '''[{
@ -20,3 +22,21 @@ includes = ["functional"]
{"staticSize":8, "dynamicSize":4, "length":1, "capacity":1, "elementStaticSize":4},
{"staticSize":8, "dynamicSize":4, "length":1, "capacity":1, "elementStaticSize":4}
]}]'''
expect_json_v2 = '''[{
"size":60,
"staticSize":24,
"exclusiveSize":24,
"length":3,
"capacity":3,
"members":[
{"size":12, "staticSize":8, "exclusiveSize":8, "length":1, "capacity":1, "members":[
{"size":4, "staticSize":4, "exclusiveSize":4, "members":[]}
]},
{"size":12, "staticSize":8, "exclusiveSize":8, "length":1, "capacity":1, "members":[
{"size":4, "staticSize":4, "exclusiveSize":4, "members":[]}
]},
{"size":12, "staticSize":8, "exclusiveSize":8, "length":1, "capacity":1, "members":[
{"size":4, "staticSize":4, "exclusiveSize":4, "members":[]}
]}
]
}]'''

39
types/ref_wrapper_type.toml
View File

@ -29,3 +29,42 @@ void getSizeType(const %1%<T> &ref, size_t& returnArg)
}
}
"""
traversal_func = """
auto tail = returnArg.write((uintptr_t)&(container.get()));
if (ctx.pointers.add((uintptr_t)&container.get())) {
return tail.template delegate<1>([&ctx, &container](auto ret) {
return OIInternal::getSizeType<Ctx>(ctx, container.get(), ret);
});
} else {
return tail.template delegate<0>(std::identity());
}
"""
[[codegen.processor]]
type = "types::st::VarInt<DB>"
func = """
el.pointer = std::get<ParsedData::VarInt>(d.val).value;
"""
[[codegen.processor]]
type = """
types::st::Sum<DB,
types::st::Unit<DB>,
typename TypeHandler<Ctx, T0>::type>
"""
func = """
auto sum = std::get<ParsedData::Sum>(d.val);
el.container_stats.emplace(result::Element::ContainerStats {
.capacity = 1,
.length = sum.index, // 0 if in a cycle, 1 otherwise
});
if constexpr (oi_is_complete<T0>) {
if (sum.index == 1) {
static constexpr auto element = make_field<Ctx, T0>("ref_val");
stack_ins(element);
}
}
"""