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update list generated refcounting functions for dev and wasm

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Brendan Hansknecht 2024-04-11 21:33:27 -07:00
parent 3238ee7d0d
commit 48eb9c31a9
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9 changed files with 163 additions and 354 deletions
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63
crates/compiler/gen_wasm/src/low_level.rs
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@ -305,6 +305,69 @@ impl<'a> LowLevelCall<'a> {
backend.call_host_fn_after_loading_args(bitcode::LIST_CLONE);
}
ListIncref => {
let input_list: Symbol = self.arguments[0];
let list_layout = backend
.layout_interner
.get_repr(backend.storage.symbol_layouts[&input_list]);
let elem_in_layout = unwrap_list_elem_layout(list_layout);
let elem_refcounted = backend.layout_interner.contains_refcounted(elem_in_layout);
// Zig arguments Wasm types
// input_list: &RocList i32
// amount: isize i32
// element_refcounted: bool i32
backend
.storage
.load_symbols(&mut backend.code_builder, &[input_list]);
if self.arguments.len() == 2 {
// amount explicitly specified.
let amount = self.arguments[1];
backend
.storage
.load_symbols(&mut backend.code_builder, &[amount]);
} else {
// implicit 1 amount
backend.code_builder.i32_const(1);
}
backend.code_builder.i32_const(elem_refcounted as i32);
backend.call_host_fn_after_loading_args(bitcode::LIST_INCREF);
}
ListDecref => {
let input_list: Symbol = self.arguments[0];
let list_layout = backend
.layout_interner
.get_repr(backend.storage.symbol_layouts[&input_list]);
let elem_in_layout = unwrap_list_elem_layout(list_layout);
let elem_layout = backend.layout_interner.get_repr(elem_in_layout);
let (elem_width, elem_align) =
elem_layout.stack_size_and_alignment(backend.layout_interner);
let elem_refcounted = backend.layout_interner.contains_refcounted(elem_in_layout);
let dec_fn_ptr = build_refcount_element_fn(backend, elem_in_layout, HelperOp::Dec);
// Zig arguments Wasm types
// input_list: &RocList i32
// alignment: u32 i32
// element_width: usize i32
// element_refcounted: bool i32
// dec: Dec i32
backend
.storage
.load_symbols(&mut backend.code_builder, &[input_list]);
backend.code_builder.i32_const(elem_align as i32);
backend.code_builder.i32_const(elem_width as i32);
backend.code_builder.i32_const(elem_refcounted as i32);
backend.code_builder.i32_const(dec_fn_ptr);
backend.call_host_fn_after_loading_args(bitcode::LIST_DECREF);
}
ListMap | ListMap2 | ListMap3 | ListMap4 | ListSortWith => {
internal_error!("HigherOrder lowlevels should not be handled here")
}