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Add Layout::Erased

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This commit is contained in:
Ayaz Hafiz 2023-07-02 12:16:14 -05:00
parent 283b9d53d6
commit 7ea85e44d2
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GPG key ID: 0E2A37416A25EF58
18 changed files with 58 additions and 14 deletions
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1
crates/compiler/mono/src/code_gen_help/equality.rs
View file

@ -39,6 +39,7 @@ pub fn eq_generic<'a>(
Union(union_layout) => eq_tag_union(root, ident_ids, ctx, layout_interner, union_layout),
Ptr(inner_layout) => eq_boxed(root, ident_ids, ctx, layout_interner, inner_layout),
LambdaSet(_) => unreachable!("`==` is not defined on functions"),
Erased(_) => unreachable!("`==` is not defined on erased types"),
RecursivePointer(_) => {
unreachable!(
"Can't perform `==` on RecursivePointer. Should have been replaced by a tag union."

3
crates/compiler/mono/src/code_gen_help/mod.rs
View file

@ -584,6 +584,8 @@ impl<'a> CodeGenHelp<'a> {
LayoutRepr::RecursivePointer(_) => LayoutRepr::Union(ctx.recursive_union.unwrap()),
LayoutRepr::FunctionPointer(_) => return layout,
LayoutRepr::Erased(_) => return layout,
};
layout_interner.insert(Layout::new(LayoutWrapper::Direct(repr), semantic))
@ -841,5 +843,6 @@ fn layout_needs_helper_proc<'a>(
LayoutRepr::RecursivePointer(_) => false,
LayoutRepr::Ptr(_) => false,
LayoutRepr::FunctionPointer(_) => false,
LayoutRepr::Erased(_) => true,
}
}

4
crates/compiler/mono/src/code_gen_help/refcount.rs
View file

@ -2,6 +2,7 @@
use bumpalo::collections::vec::Vec;
use bumpalo::collections::CollectIn;
use roc_error_macros::todo_lambda_erasure;
use roc_module::low_level::{LowLevel, LowLevel::*};
use roc_module::symbol::{IdentIds, Symbol};
use roc_target::PtrWidth;
@ -231,6 +232,9 @@ pub fn refcount_generic<'a>(
structure,
)
}
LayoutRepr::Erased(_) => {
todo_lambda_erasure!()
}
LayoutRepr::RecursivePointer(_) => unreachable!(
"We should never call a refcounting helper on a RecursivePointer layout directly"
),