From 5f07055ac1548e6254651f40a23e74093a9bebfe Mon Sep 17 00:00:00 2001
From: gingerBill <gingerBill@users.noreply.github.com>
Date: Thu, 15 Jan 2026 17:28:28 +0000
Subject: Add `#must_tail` and `"preserve/none"` calling convention

---
 src/parser.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/parser.cpp')

diff --git a/src/parser.cpp b/src/parser.cpp
index d8a9df473..8782b3a2b 100644
--- a/src/parser.cpp
+++ b/src/parser.cpp
@@ -2216,6 +2216,7 @@ gb_internal Ast *parse_inlining_or_tailing_operand(AstFile *f, Token token) {
 
 	if (pt != ProcTailing_none) {
 		if (e->kind == Ast_ProcLit) {
+			syntax_error(expr, "'#must_call' can only be applied to a procedure call, not the procedure literal");
 			e->ProcLit.tailing = pt;
 		} else if (e->kind == Ast_CallExpr) {
 			e->CallExpr.tailing = pt;
@@ -4020,6 +4021,8 @@ gb_internal ProcCallingConvention string_to_calling_convention(String const &s)
 	if (s == "win64")	return ProcCC_Win64;
 	if (s == "sysv")        return ProcCC_SysV;
 
+	if (s == "preserve/none") return ProcCC_PreserveNone;
+
 	if (s == "system") {
 		if (build_context.metrics.os == TargetOs_windows) {
 			return ProcCC_StdCall;
-- 
cgit v1.2.3