From e5e63cc5ac16cefc3c214207693869e6df88da00 Mon Sep 17 00:00:00 2001
From: Irmen de Jong <irmen@razorvine.net>
Date: Sat, 11 Mar 2023 16:12:47 +0100
Subject: [PATCH] catch wrong repeat value

---
 compiler/src/prog8/compiler/astprocessing/AstChecker.kt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/compiler/src/prog8/compiler/astprocessing/AstChecker.kt b/compiler/src/prog8/compiler/astprocessing/AstChecker.kt
index 8284a8bc5..c56aa4b0e 100644
--- a/compiler/src/prog8/compiler/astprocessing/AstChecker.kt
+++ b/compiler/src/prog8/compiler/astprocessing/AstChecker.kt
@@ -447,6 +447,13 @@ internal class AstChecker(private val program: Program,
         val iterations = repeatLoop.iterations?.constValue(program)
         if(iterations != null && iterations.number.toInt() > 65535)
             errors.err("repeat cannot go over 65535 iterations", iterations.position)
+
+        val ident = repeatLoop.iterations as? IdentifierReference
+        if(ident!=null) {
+            val targetVar = ident.targetVarDecl(program)
+            if(targetVar==null)
+                errors.err("invalid assignment value, maybe forgot '&' (address-of)", ident.position)
+        }
         super.visit(repeatLoop)
     }