From 297c9ac556008804c95f92de3381925787655b10 Mon Sep 17 00:00:00 2001
From: Brad Lewis <22850972+BradLewis@users.noreply.github.com>
Date: Fri, 26 Sep 2025 20:53:04 -0400
Subject: Ensure the lines and columns for diagnostics are non negative

---
 src/server/check.odin | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/server/check.odin b/src/server/check.odin
index ea68066..b8f0c7c 100644
--- a/src/server/check.odin
+++ b/src/server/check.odin
@@ -159,8 +159,9 @@ check :: proc(paths: []string, uri: common.Uri, writer: ^Writer, config: ^common
 					code = "checker",
 					severity = .Error,
 					range = {
-						start = {character = error.pos.column - 1, line = error.pos.line - 1},
-						end = {character = error.pos.end_column - 1, line = error.pos.line - 1},
+						// odin will sometimes report errors on column 0, so we ensure we don't provide a negative column/line to the client
+						start = {character = max(error.pos.column - 1, 0), line = max(error.pos.line - 1, 0)},
+						end = {character = max(error.pos.end_column - 1, 0), line = max(error.pos.line - 1, 0)},
 					},
 					message = message,
 				},
-- 
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