commit f48b2fa33cda94e963f6fa8b78f344385c9ebea6
author Bram Moolenaar <Bram@vim.org> Mon Apr 12 22:02:36 2021 +0200
committer Bram Moolenaar <Bram@vim.org> Mon Apr 12 22:02:36 2021 +0200
tree e65e350985a0baf3870a1a9567d02bd6d8e90734
parent 68452177ca4cda4a9d5f93892e437447cf9404c8

patch 8.2.2758: Vim9: wrong line number for autoload function with wrong name

Problem:    Vim9: wrong line number for autoload function with wrong name.
Solution:   Set and restore SOURCING_LNUM. (closes #8100)

src/testdir/test_vim9_func.vim

diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index a97146d..a941a61 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -74,6 +74,30 @@
   delete('Xdir', 'rf')
 enddef
 
+def Test_autoload_name_mismatch()
+  var dir = 'Xdir/autoload'
+  mkdir(dir, 'p')
+
+  var lines =<< trim END
+      vim9script
+      def scriptX#Function()
+        # comment
+        g:runtime = 'yes'
+      enddef
+  END
+  writefile(lines, dir .. '/script.vim')
+
+  var save_rtp = &rtp
+  exe 'set rtp=' .. getcwd() .. '/Xdir'
+  lines =<< trim END
+      call script#Function()
+  END
+  CheckScriptFailure(lines, 'E746:', 2)
+
+  &rtp = save_rtp
+  delete(dir, 'rf')
+enddef
+
 def CallRecursive(n: number): number
   return CallRecursive(n + 1)
 enddef

src/userfunc.c

diff --git a/src/userfunc.c b/src/userfunc.c
index 54335d4..772d45d 100644
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -4058,7 +4058,11 @@
 	    }
 	    if (j == FAIL)
 	    {
+		linenr_T save_lnum = SOURCING_LNUM;
+
+		SOURCING_LNUM = sourcing_lnum_top;
 		semsg(_("E746: Function name does not match script file name: %s"), name);
+		SOURCING_LNUM = save_lnum;
 		goto erret;
 	    }
 	}

src/version.c

diff --git a/src/version.c b/src/version.c
index 3728f32..4e61210 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2758,
+/**/
     2757,
 /**/
     2756,