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Fix Objective-C wrapper procs not forwarding return value
This commit is contained in:
Harold Brenes
2025-04-27 22:55:53 -04:00
parent 6c9c239a5e
commit f3923ed666
11 changed files with 717 additions and 703 deletions
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src/llvm_backend.cpp
+16 -2
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@@ -1656,7 +1656,15 @@ gb_internal void lb_finalize_objc_names(lbGenerator *gen, lbProcedure *p) {
}
Type *wrapper_args_tuple = alloc_type_tuple_from_field_types(wrapper_args.data, wrapper_args.count, false, true);
Type *wrapper_proc_type = alloc_type_proc(nullptr, wrapper_args_tuple, (isize)wrapper_args_tuple->Tuple.variables.count, nullptr, 0, false, ProcCC_CDecl);
Type *wrapper_results_tuple = nullptr;
if (method_type->Proc.result_count > 0) {
GB_ASSERT(method_type->Proc.result_count == 1);
wrapper_results_tuple = alloc_type_tuple_from_field_types(&method_type->Proc.results->Tuple.variables[0]->type, 1, false, true);
}
Type *wrapper_proc_type = alloc_type_proc(nullptr, wrapper_args_tuple, wrapper_args_tuple->Tuple.variables.count,
wrapper_results_tuple, method_type->Proc.result_count, false, ProcCC_CDecl);
lbProcedure *wrapper_proc = lb_create_dummy_procedure(m, proc_name, wrapper_proc_type);
lb_add_attribute_to_proc(wrapper_proc->module, wrapper_proc->value, "nounwind");
@@ -1709,7 +1717,13 @@ gb_internal void lb_finalize_objc_names(lbGenerator *gen, lbProcedure *p) {
lbValue method_proc_value = lb_find_procedure_value_from_entity(m, md.proc_entity);
// Call real procedure for method from here, passing the parameters expected, if any.
lb_emit_call(wrapper_proc, method_proc_value, method_call_args);
lbValue return_value = lb_emit_call(wrapper_proc, method_proc_value, method_call_args);
if (wrapper_results_tuple != nullptr) {
auto &result_var = method_type->Proc.results->Tuple.variables[0];
return_value = lb_emit_conv(wrapper_proc, return_value, result_var->type);
lb_build_return_stmt_internal(wrapper_proc, return_value, result_var->token.pos);
}
}
lb_end_procedure_body(wrapper_proc);