From edc793d7c123a38826860ef72684308902a7012c Mon Sep 17 00:00:00 2001 From: gingerBill Date: Sun, 14 Jul 2024 11:39:05 +0100 Subject: Add `#no_capture args: ..T` to reuse the backing array stack memory --- src/check_expr.cpp | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'src/check_expr.cpp') diff --git a/src/check_expr.cpp b/src/check_expr.cpp index 12acca0cb..645d8ac5a 100644 --- a/src/check_expr.cpp +++ b/src/check_expr.cpp @@ -6033,6 +6033,23 @@ gb_internal CallArgumentError check_call_arguments_internal(CheckerContext *c, A Entity *vt = pt->params->Tuple.variables[pt->variadic_index]; o.type = vt->type; + + // NOTE(bill, 2024-07-14): minimize the stack usage for variadic parameter that use `#no_capture` + // on the variadic parameter + if (c->decl && (vt->flags & EntityFlag_NoCapture)) { + bool found = false; + for (NoCaptureData &nc : c->decl->no_captures) { + if (are_types_identical(vt->type, nc.slice_type)) { + nc.max_count = gb_max(nc.max_count, variadic_operands.count); + found = true; + break; + } + } + if (!found) { + array_add(&c->decl->no_captures, NoCaptureData{vt->type, variadic_operands.count}); + } + } + } else { dummy_argument_count += 1; o.type = t_untyped_nil; -- cgit v1.2.3