From ace75de758f6c374cc9e54a192c6b947f8be9379 Mon Sep 17 00:00:00 2001
From: Andrew Radev <andrey.radev@gmail.com>
Date: Sun, 11 Jun 2023 21:37:17 +0300
Subject: [PATCH 1/2] Fix error regex

---
 autoload/exception.vim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/autoload/exception.vim b/autoload/exception.vim
index bffd7e2..df1ea7b 100644
--- a/autoload/exception.vim
+++ b/autoload/exception.vim
@@ -56,7 +56,7 @@ function! exception#trace() abort
         continue
       endif
 
-      let src = fnamemodify(matchstr(verb[1], 'Last set from \zs.\+'), ':p')
+      let src = fnamemodify(matchstr(verb[1], 'Last set from \zs.\+\ze\%( line \d\+\)'), ':p')
       if !filereadable(src)
         continue
       endif

From 2cf02607500137fc37b40c5d843d4a482304d10e Mon Sep 17 00:00:00 2001
From: Andrew Radev <andrey.radev@gmail.com>
Date: Sun, 11 Jun 2023 21:38:32 +0300
Subject: [PATCH 2/2] Find the error line's body and show it in the quickfix
 window

---
 autoload/exception.vim | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/autoload/exception.vim b/autoload/exception.vim
index df1ea7b..d194691 100644
--- a/autoload/exception.vim
+++ b/autoload/exception.vim
@@ -68,9 +68,21 @@ function! exception#trace() abort
       endif
       let pat .= func.'\>'
 
-      for line in readfile(src)
-        let lnum += 1
+      let function_offset = 0
+      let function_found = 0
+      let line_body = ''
+
+      for [index, line] in items(readfile(src))
+        if !function_found
+          let function_offset += 1
+        endif
+
         if line =~# pat
+          let function_found = 1
+        endif
+
+        if lnum + function_offset == index + 1
+          let line_body = trim(line)
           break
         endif
       endfor
@@ -78,9 +90,9 @@ function! exception#trace() abort
       if !empty(src) && !empty(func)
         let fname = fnamemodify(src, ':.')
         call add(errlist, {
-              \   'text': printf('%*s. %s', nw, '#'.i, t),
+              \   'text': printf('%*s. %s: %s', nw, '#'.i, t, line_body),
               \   'filename': fname,
-              \   'lnum': lnum,
+              \   'lnum': function_offset + lnum,
               \   'type': 'I',
               \ })
       endif