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fix imported function thunk

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This commit is contained in:
Folkert 2022-01-03 16:18:53 +01:00
parent 1a07508c9a
commit 7044e95df8
3 changed files with 46 additions and 5 deletions
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43
compiler/mono/src/ir.rs
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@ -4017,7 +4017,8 @@ pub fn with_hole<'a>(
// if it's in there, it's a call by name, otherwise it's a call by pointer
let is_known = |key| {
// a proc in this module, or an imported symbol
procs.partial_procs.contains_key(key) || env.is_imported_symbol(key)
procs.partial_procs.contains_key(key)
|| (env.is_imported_symbol(key) && !procs.is_imported_module_thunk(key))
};
match loc_expr.value {
@ -4072,8 +4073,44 @@ pub fn with_hole<'a>(
LocalFunction(_) => {
unreachable!("if this was known to be a function, we would not be here")
}
Imported(_) => {
unreachable!("an imported value is never an anonymous function")
Imported(thunk_name) => {
debug_assert!(procs.is_imported_module_thunk(thunk_name));
add_needed_external(procs, env, fn_var, thunk_name);
let function_symbol = env.unique_symbol();
match full_layout {
RawFunctionLayout::Function(
arg_layouts,
lambda_set,
ret_layout,
) => {
let closure_data_symbol = function_symbol;
result = match_on_lambda_set(
env,
lambda_set,
closure_data_symbol,
arg_symbols,
arg_layouts,
ret_layout,
assigned,
hole,
);
result = force_thunk(
env,
thunk_name,
Layout::LambdaSet(lambda_set),
function_symbol,
env.arena.alloc(result),
);
}
RawFunctionLayout::ZeroArgumentThunk(_) => {
unreachable!("calling a non-closure layout")
}
}
}
Value(function_symbol) => match full_layout {
RawFunctionLayout::Function(arg_layouts, lambda_set, ret_layout) => {