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spec for list append

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This commit is contained in:
Folkert 2021-10-03 13:27:47 +02:00
parent 486f1d540f
commit 13d480d5f3
3 changed files with 7 additions and 2 deletions
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5
compiler/builtins/bitcode/src/list.zig
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@ -729,10 +729,13 @@ pub fn listSingle(alignment: u32, element: Opaque, element_width: usize) callcon
return output;
}
pub fn listAppend(list: RocList, alignment: u32, element: Opaque, element_width: usize) callconv(.C) RocList {
pub fn listAppend(list: RocList, alignment: u32, element: Opaque, element_width: usize, update_mode: UpdateMode) callconv(.C) RocList {
const old_length = list.len();
var output = list.reallocate(alignment, old_length + 1, element_width);
// we'd need capacity to use update_mode here
_ = update_mode;
if (output.bytes) |target| {
if (element) |source| {
@memcpy(target + old_length * element_width, source, element_width);

2
compiler/gen_llvm/src/llvm/build.rs
View file

@ -4972,7 +4972,7 @@ fn run_low_level<'a, 'ctx, 'env>(
let original_wrapper = load_symbol(scope, &args[0]).into_struct_value();
let (elem, elem_layout) = load_symbol_and_layout(scope, &args[1]);
list_append(env, original_wrapper, elem, elem_layout)
list_append(env, original_wrapper, elem, elem_layout, update_mode)
}
ListSwap => {
// List.swap : List elem, Nat, Nat -> List elem

2
compiler/gen_llvm/src/llvm/build_list.rs
View file

@ -238,6 +238,7 @@ pub fn list_append<'a, 'ctx, 'env>(
original_wrapper: StructValue<'ctx>,
element: BasicValueEnum<'ctx>,
element_layout: &Layout<'a>,
update_mode: UpdateMode,
) -> BasicValueEnum<'ctx> {
call_bitcode_fn_returns_list(
env,
@ -246,6 +247,7 @@ pub fn list_append<'a, 'ctx, 'env>(
env.alignment_intvalue(element_layout),
pass_element_as_opaque(env, element),
layout_width(env, element_layout),
pass_update_mode(env, update_mode),
],
bitcode::LIST_APPEND,
)