# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1623961803 -7200
# Node ID 64b70a958f19614e19cefd7a9ac02e00c0f9e190
# Parent  88af72abdac2ea47e8bbf8be9debfed9e1477455
patch 8.2.3017: Vim9: debugger shows too many lines

Commit: https://github.com/vim/vim/commit/59b50c3bee908694ae4ac10b26bfebf99d09d466
Author: Bram Moolenaar <Bram@vim.org>
Date:   Thu Jun 17 22:27:48 2021 +0200

    patch 8.2.3017: Vim9: debugger shows too many lines

    Problem:    Vim9: debugger shows too many lines.
    Solution:   Truncate at a comment, "enddef", etc. (closes https://github.com/vim/vim/issues/8392)

diff --git a/src/testdir/test_debugger.vim b/src/testdir/test_debugger.vim
--- a/src/testdir/test_debugger.vim
+++ b/src/testdir/test_debugger.vim
@@ -958,6 +958,10 @@ func Test_debug_def_function()
          a: 1,
          b: 2,
          }
+         # comment
+         def Inner()
+           eval 1
+         enddef
     enddef
   END
   call writefile(file, 'Xtest.vim')
@@ -997,6 +1001,7 @@ func Test_debug_def_function()
                 \ ':debug call FuncWithDict()',
                 \ ['cmd: call FuncWithDict()'])
   call RunDbgCmd(buf, 'step', ['line 1: var d = {  a: 1,  b: 2,  }'])
+  call RunDbgCmd(buf, 'step', ['line 6: def Inner()'])
 
   call RunDbgCmd(buf, 'cont')
   call StopVimInTerminal(buf)
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3017,
+/**/
     3016,
 /**/
     3015,
diff --git a/src/vim9execute.c b/src/vim9execute.c
--- a/src/vim9execute.c
+++ b/src/vim9execute.c
@@ -1461,9 +1461,17 @@ handle_debug(isn_T *iptr, ectx_T *ectx)
     {
 	ga_init2(&ga, sizeof(char_u *), 10);
 	for (lnum = iptr->isn_lnum; lnum < end_lnum; ++lnum)
+	{
+	    char_u *p = skipwhite(
+			       ((char_u **)ufunc->uf_lines.ga_data)[lnum - 1]);
+
+	    if (*p == '#')
+		break;
 	    if (ga_grow(&ga, 1) == OK)
-		((char_u **)(ga.ga_data))[ga.ga_len++] =
-		     skipwhite(((char_u **)ufunc->uf_lines.ga_data)[lnum - 1]);
+		((char_u **)(ga.ga_data))[ga.ga_len++] = p;
+	    if (STRNCMP(p, "def ", 4) == 0)
+		break;
+	}
 	line = ga_concat_strings(&ga, "  ");
 	vim_free(ga.ga_data);
     }