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Push interned layouts as mut throughout the backend, and intern box layouts

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Ayaz Hafiz 2022-12-28 18:51:26 -06:00
parent dd6a72fc46
commit 7ab7fdfa7b
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GPG key ID: 0E2A37416A25EF58
26 changed files with 769 additions and 375 deletions
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22
crates/compiler/gen_dev/src/lib.rs
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@ -28,7 +28,6 @@ mod run_roc;
pub struct Env<'a> {
pub arena: &'a Bump,
pub layout_interner: &'a STLayoutInterner<'a>,
pub module_id: ModuleId,
pub exposed_to_host: MutSet<Symbol>,
pub lazy_literals: bool,
@ -68,7 +67,14 @@ trait Backend<'a> {
// This method is suboptimal, but it seems to be the only way to make rust understand
// that all of these values can be mutable at the same time. By returning them together,
// rust understands that they are part of a single use of mutable self.
fn env_interns_helpers_mut(&mut self) -> (&Env<'a>, &mut Interns, &mut CodeGenHelp<'a>);
fn module_interns_helpers_mut(
&mut self,
) -> (
ModuleId,
&mut STLayoutInterner<'a>,
&mut Interns,
&mut CodeGenHelp<'a>,
);
fn symbol_to_string(&self, symbol: Symbol, layout_id: LayoutId) -> String {
layout_id.to_symbol_string(symbol, self.interns())
@ -155,11 +161,17 @@ trait Backend<'a> {
// If this layout requires a new RC proc, we get enough info to create a linker symbol
// for it. Here we don't create linker symbols at this time, but in Wasm backend, we do.
let (rc_stmt, new_specializations) = {
let (env, interns, rc_proc_gen) = self.env_interns_helpers_mut();
let module_id = env.module_id;
let (module_id, layout_interner, interns, rc_proc_gen) =
self.module_interns_helpers_mut();
let ident_ids = interns.all_ident_ids.get_mut(&module_id).unwrap();
rc_proc_gen.expand_refcount_stmt(ident_ids, layout, modify, following)
rc_proc_gen.expand_refcount_stmt(
ident_ids,
layout_interner,
layout,
modify,
following,
)
};
for spec in new_specializations.into_iter() {