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make List.map borrow based on passed function

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This commit is contained in:
Folkert 2021-05-16 14:09:39 +02:00
parent 3a4a78fdbb
commit 3ca6ffade9
8 changed files with 106 additions and 35 deletions
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30
compiler/gen/src/llvm/build.rs
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@ -2287,14 +2287,30 @@ pub fn build_exp_stmt<'a, 'ctx, 'env>(
DecRef(symbol) => {
let (value, layout) = load_symbol_and_layout(scope, symbol);
if layout.is_refcounted() {
if value.is_pointer_value() {
// BasicValueEnum::PointerValue(value_ptr) => {
let value_ptr = value.into_pointer_value();
let refcount_ptr = PointerToRefcount::from_ptr_to_data(env, value_ptr);
match layout {
Layout::Builtin(Builtin::List(_, _)) => {
debug_assert!(value.is_struct_value());
let refcount_ptr = PointerToRefcount::from_list_wrapper(
env,
value.into_struct_value(),
);
refcount_ptr.decrement(env, layout);
} else {
eprint!("we're likely leaking memory; see issue #985 for details");
}
_ if layout.is_refcounted() => {
if value.is_pointer_value() {
// BasicValueEnum::PointerValue(value_ptr) => {
let value_ptr = value.into_pointer_value();
let refcount_ptr =
PointerToRefcount::from_ptr_to_data(env, value_ptr);
refcount_ptr.decrement(env, layout);
} else {
eprint!("we're likely leaking memory; see issue #985 for details");
}
}
_ => {
// nothing to do
}
}