From bbb7e60042994a0d2405a3480d448d47c2fb5637 Mon Sep 17 00:00:00 2001
From: dimgigov <gigov@gigov.org>
Date: Sat, 30 May 2026 23:02:33 +0300
Subject: [PATCH] fix: add tkAssign and compound assignment operators to C
 codegen

- Map tkAssign to '=' in operatorToC
- Add tkAmpAssign, tkPipeAssign, tkCaretAssign, tkShlAssign, tkShrAssign
- Fibonacci program now works correctly with while loops and assignment
---
 src/c_backend.nim | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/c_backend.nim b/src/c_backend.nim
index e8317a7..61a0f98 100644
--- a/src/c_backend.nim
+++ b/src/c_backend.nim
@@ -110,11 +110,17 @@ proc operatorToC(op: TokenKind): string =
   of tkTilde: return "~"
   of tkPlusPlus: return "++"
   of tkMinusMinus: return "--"
+  of tkAssign: return "="
   of tkPlusAssign: return "+="
   of tkMinusAssign: return "-="
   of tkStarAssign: return "*="
   of tkSlashAssign: return "/="
   of tkPercentAssign: return "%="
+  of tkAmpAssign: return "&="
+  of tkPipeAssign: return "|="
+  of tkCaretAssign: return "^="
+  of tkShlAssign: return "<<="
+  of tkShrAssign: return ">>="
   else: return "?"
 
 # Forward declaration