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switch from type annotation to type variable

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Brendan Hansknecht 2023-04-06 20:17:22 -07:00
parent 8f4945f286
commit 6302a8d4b5
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11 changed files with 136 additions and 97 deletions
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63
crates/compiler/mono/src/ir.rs
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@ -4162,42 +4162,37 @@ pub fn with_hole<'a>(
hole,
),
IngestedFile(bytes, anno) => match &anno.typ {
Type::Apply(Symbol::STR_STR, _, _) => Stmt::Let(
assigned,
Expr::Literal(Literal::Str(
// This is safe because we ensure the utf8 bytes are valid earlier in the compiler pipeline.
arena.alloc(unsafe { std::str::from_utf8_unchecked(&bytes) }.to_owned()),
)),
Layout::STR,
hole,
),
Type::Apply(Symbol::LIST_LIST, elem_type, _)
if matches!(
elem_type[0].value,
Type::DelayedAlias(AliasCommon {
symbol: Symbol::NUM_U8,
..
})
) =>
{
let elem_layout = Layout::U8;
let mut elements = Vec::with_capacity_in(bytes.len(), env.arena);
for byte in bytes {
elements.push(ListLiteralElement::Literal(Literal::Byte(byte)));
IngestedFile(_, bytes, var) => {
let interned = layout_cache.from_var(env.arena, var, env.subs).unwrap();
let layout = layout_cache.get_in(interned);
match layout {
Layout::Builtin(Builtin::List(elem_layout)) if elem_layout == Layout::U8 => {
let mut elements = Vec::with_capacity_in(bytes.len(), env.arena);
for byte in bytes {
elements.push(ListLiteralElement::Literal(Literal::Byte(byte)));
}
let expr = Expr::Array {
elem_layout,
elems: elements.into_bump_slice(),
};
Stmt::Let(assigned, expr, interned, hole)
}
let expr = Expr::Array {
elem_layout,
elems: elements.into_bump_slice(),
};
let list_layout = layout_cache.put_in(Layout::Builtin(Builtin::List(elem_layout)));
Stmt::Let(assigned, expr, list_layout, hole)
Layout::Builtin(Builtin::Str) => Stmt::Let(
assigned,
Expr::Literal(Literal::Str(
// This is safe because we ensure the utf8 bytes are valid earlier in the compiler pipeline.
arena.alloc(unsafe { std::str::from_utf8_unchecked(&bytes) }.to_owned()),
)),
Layout::STR,
hole,
),
_ => unreachable!(
"All of these cases should be dealt during solve, generating proper errors"
),
}
_ => unreachable!("All of these cases should be dealt with earlier in the compiler, generating proper errors"),
},
}
SingleQuote(_, _, character, _) => {
let layout = layout_cache
.from_var(env.arena, variable, env.subs)