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Merge branch 'resetref' into Frame-Limited

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J.Teeuwissen 2023-04-03 10:02:31 +02:00
commit 87abe8df7d
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13 changed files with 387 additions and 16 deletions
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29
crates/compiler/gen_wasm/src/backend.rs
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@ -1095,6 +1095,8 @@ impl<'a, 'r> WasmBackend<'a, 'r> {
Expr::Reset { symbol: arg, .. } => self.expr_reset(*arg, sym, storage),
Expr::ResetRef { symbol: arg, .. } => self.expr_resetref(*arg, sym, storage),
Expr::RuntimeErrorFunction(_) => {
todo!("Expression `{}`", expr.to_pretty(100, false))
}
@ -2017,6 +2019,33 @@ impl<'a, 'r> WasmBackend<'a, 'r> {
);
}
fn expr_resetref(&mut self, argument: Symbol, ret_symbol: Symbol, ret_storage: &StoredValue) {
let ident_ids = self
.interns
.all_ident_ids
.get_mut(&self.env.module_id)
.unwrap();
// Get an IR expression for the call to the specialized procedure
let layout = self.storage.symbol_layouts[&argument];
let (specialized_call_expr, new_specializations) = self
.helper_proc_gen
.call_resetref_refcount(ident_ids, self.layout_interner, layout, argument);
// If any new specializations were created, register their symbol data
for (spec_sym, spec_layout) in new_specializations.into_iter() {
self.register_helper_proc(spec_sym, spec_layout, ProcSource::Helper);
}
// Generate Wasm code for the IR call expression
self.expr(
ret_symbol,
self.env.arena.alloc(specialized_call_expr),
Layout::BOOL,
ret_storage,
);
}
/// Generate a refcount helper procedure and return a pointer (table index) to it
/// This allows it to be indirectly called from Zig code
pub fn get_refcount_fn_index(&mut self, layout: InLayout<'a>, op: HelperOp) -> u32 {