From ccf6cccee0cb9799ff3107eeb04b3f31b4c7f8c0 Mon Sep 17 00:00:00 2001
From: Juan <38849891+xoltia@users.noreply.github.com>
Date: Sun, 24 Nov 2024 15:57:26 -0600
Subject: [PATCH] Fix line decrement when eof does not follow a newline

---
 error_test.go | 4 ++--
 lex.go        | 4 +++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/error_test.go b/error_test.go
index 80cb0c0..8e8f196 100644
--- a/error_test.go
+++ b/error_test.go
@@ -252,9 +252,9 @@ func TestParseError(t *testing.T) {
 			`
             | toml: error: unexpected EOF; expected '"'
 			|
-			| At line 0, column 14:
+			| At line 1, column 14:
 			|
-			|       0 | string = "test
+			|       1 | string = "test
 			|                        ^
 			`,
 		},
diff --git a/lex.go b/lex.go
index cd9de46..72ba269 100644
--- a/lex.go
+++ b/lex.go
@@ -275,7 +275,9 @@ func (lx *lexer) errorPos(start, length int, err error) stateFn {
 func (lx *lexer) errorf(format string, values ...any) stateFn {
 	if lx.atEOF {
 		pos := lx.getPos()
-		pos.Line--
+		if lx.pos >= 1 && lx.input[lx.pos-1] == '\n' {
+			pos.Line--
+		}
 		pos.Len = 1
 		pos.Start = lx.pos - 1
 		lx.items <- item{typ: itemError, pos: pos, err: fmt.Errorf(format, values...)}