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List takes interned element

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Ayaz Hafiz 2022-12-29 08:52:37 -06:00
parent f2a42affd1
commit e4b5252e51
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16 changed files with 173 additions and 83 deletions
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17
crates/compiler/mono/src/layout.rs
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@ -2012,7 +2012,7 @@ pub enum Builtin<'a> {
Bool,
Decimal,
Str,
List(&'a Layout<'a>),
List(InLayout<'a>),
}
pub struct Env<'a, 'b> {
@ -2875,6 +2875,7 @@ impl<'a> Builtin<'a> {
Str => alloc.text("Str"),
List(layout) => {
let layout = interner.get(layout);
alloc
.text("List ")
.append(layout.to_doc(alloc, interner, Parens::InTypeParam))
@ -2890,7 +2891,10 @@ impl<'a> Builtin<'a> {
let allocation = match self {
Builtin::Str => ptr_width,
Builtin::List(e) => e.alignment_bytes(interner, target_info).max(ptr_width),
Builtin::List(e) => {
let e = interner.get(*e);
e.alignment_bytes(interner, target_info).max(ptr_width)
}
// The following are usually not heap-allocated, but they might be when inside a Box.
Builtin::Int(int_width) => int_width.alignment_bytes(target_info).max(ptr_width),
Builtin::Float(float_width) => float_width.alignment_bytes(target_info).max(ptr_width),
@ -4140,12 +4144,9 @@ pub(crate) fn list_layout_from_elem<'a>(
cached!(Layout::from_var(env, element_var), criteria)
};
Cacheable(
Ok(Layout::Builtin(Builtin::List(
env.arena.alloc(element_layout),
))),
criteria,
)
let element_layout = env.cache.put_in(env.arena.alloc(element_layout));
Cacheable(Ok(Layout::Builtin(Builtin::List(element_layout))), criteria)
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]