commit a1f2b5ddc63d4e2b6ab047d8c839dd8477b36aba
author zeertzjq <zeertzjq@outlook.com> Tue Apr 18 21:04:53 2023 +0100
committer Bram Moolenaar <Bram@vim.org> Tue Apr 18 21:04:53 2023 +0100
tree fe1f8d25d413fb69536a983750b78ff49caec93f
parent 142ffb024dd5123090c2fd02f55702e76520f1df

patch 9.0.1468: recursively calling :defer function if it does :qa

Problem:    Recursively calling :defer function if it does :qa in a compiled
            function.
Solution:   Clear the defer entry before calling the function. (closes #12271)

src/testdir/test_user_func.vim

diff --git a/src/testdir/test_user_func.vim b/src/testdir/test_user_func.vim
index 8715a0b..51d5754 100644
--- a/src/testdir/test_user_func.vim
+++ b/src/testdir/test_user_func.vim
@@ -651,30 +651,55 @@
   call assert_false(filereadable('XDeleteTwo'))
 endfunc
 
-func Test_defer_quitall()
+func Test_defer_quitall_func()
   let lines =<< trim END
-      vim9script
       func DeferLevelTwo()
-        call writefile(['text'], 'XQuitallTwo', 'D')
-        call writefile(['quit'], 'XQuitallThree', 'a')
+        call writefile(['text'], 'XQuitallFuncTwo', 'D')
+        call writefile(['quit'], 'XQuitallFuncThree', 'a')
         qa!
       endfunc
 
+      func DeferLevelOne()
+        call writefile(['text'], 'XQuitalFunclOne', 'D')
+        defer DeferLevelTwo()
+      endfunc
+
+      call DeferLevelOne()
+  END
+  call writefile(lines, 'XdeferQuitallFunc', 'D')
+  call system(GetVimCommand() .. ' -X -S XdeferQuitallFunc')
+  call assert_equal(0, v:shell_error)
+  call assert_false(filereadable('XQuitallFuncOne'))
+  call assert_false(filereadable('XQuitallFuncTwo'))
+  call assert_equal(['quit'], readfile('XQuitallFuncThree'))
+
+  call delete('XQuitallFuncThree')
+endfunc
+
+func Test_defer_quitall_def()
+  let lines =<< trim END
+      vim9script
+      def DeferLevelTwo()
+        call writefile(['text'], 'XQuitallDefTwo', 'D')
+        call writefile(['quit'], 'XQuitallDefThree', 'a')
+        qa!
+      enddef
+
       def DeferLevelOne()
-        call writefile(['text'], 'XQuitallOne', 'D')
-        call DeferLevelTwo()
+        call writefile(['text'], 'XQuitallDefOne', 'D')
+        defer DeferLevelTwo()
       enddef
 
       DeferLevelOne()
   END
-  call writefile(lines, 'XdeferQuitall', 'D')
-  let res = system(GetVimCommand() .. ' -X -S XdeferQuitall')
+  call writefile(lines, 'XdeferQuitallDef', 'D')
+  call system(GetVimCommand() .. ' -X -S XdeferQuitallDef')
   call assert_equal(0, v:shell_error)
-  call assert_false(filereadable('XQuitallOne'))
-  call assert_false(filereadable('XQuitallTwo'))
-  call assert_equal(['quit'], readfile('XQuitallThree'))
+  call assert_false(filereadable('XQuitallDefOne'))
+  call assert_false(filereadable('XQuitallDefTwo'))
+  call assert_equal(['quit'], readfile('XQuitallDefThree'))
 
-  call delete('XQuitallThree')
+  call delete('XQuitallDefThree')
 endfunc
 
 func Test_defer_quitall_in_expr_func()
@@ -693,7 +718,7 @@
       call Test_defer_in_funcref()
   END
   call writefile(lines, 'XdeferQuitallExpr', 'D')
-  let res = system(GetVimCommand() .. ' -X -S XdeferQuitallExpr')
+  call system(GetVimCommand() .. ' -X -S XdeferQuitallExpr')
   call assert_equal(0, v:shell_error)
   call assert_false(filereadable('Xentry0'))
   call assert_false(filereadable('Xentry1'))