From 5d00068f228322a95895e7f92dd48e6cbb206832 Mon Sep 17 00:00:00 2001
From: Mel <einebeere@gmail.com>
Date: Wed, 6 Jul 2022 01:45:49 +0200
Subject: Allow text compiler to use number labels as PCs

---
 pkg/lang/vm/text/compiler.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'pkg/lang')

diff --git a/pkg/lang/vm/text/compiler.go b/pkg/lang/vm/text/compiler.go
index 28bc9a7..21d8dae 100644
--- a/pkg/lang/vm/text/compiler.go
+++ b/pkg/lang/vm/text/compiler.go
@@ -194,7 +194,11 @@ func (cpl *Compiler) linkLabels(builder *code.Builder) error {
 	for _, ref := range cpl.labelReferences {
 		pos, ok := cpl.labelPositions[ref.label]
 		if !ok {
-			return ErrUnkonwnLabel{ref.label}
+			if pc, err := strconv.ParseUint(ref.label, 10, 64); err == nil {
+				pos = int(pc)
+			} else {
+				return ErrUnkonwnLabel{ref.label}
+			}
 		}
 
 		builder.SetInt(ref.at, int64(pos))
-- 
cgit 1.4.1