From c82aa9f683ff50a0d3e704da01abae21684f62d1 Mon Sep 17 00:00:00 2001
From: Takeyoshi Kikuchi <kikuchi@centurysys.co.jp>
Date: Tue, 23 Jan 2024 16:05:45 +0900
Subject: [PATCH] config.nims: fix NimSuggest crash.

When editing in VSCode, NimSuggest refers to config.nims and tries
to find the NuttX .config.
Fixed a problem that .config cannot be read because the environment
variable "TOPDIR" is not defined.

Signed-off-by: Takeyoshi Kikuchi <kikuchi@centurysys.co.jp>
---
 config.nims | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/config.nims b/config.nims
index 265573217..1bf0ac25b 100644
--- a/config.nims
+++ b/config.nims
@@ -127,6 +127,7 @@ proc setup_cfg(cfg: DotConfig) =
       switch("define", "nimMemAlignTiny")
 
 
-let topdir = getEnv("TOPDIR")
+const key = "TOPDIR"
+let topdir = if existsEnv(key): getEnv(key) else: thisDir() & "/../nuttx"
 let cfg = read_config(topdir & "/.config")
 cfg.setup_cfg()