commit 38a3bfa9a2931729a5e0c28dc087f745b68988ef
author Bram Moolenaar <Bram@vim.org> Mon Mar 29 22:14:55 2021 +0200
committer Bram Moolenaar <Bram@vim.org> Mon Mar 29 22:14:55 2021 +0200
tree c61f9b6770b18110e9c8f317a91235d88f8876cd
parent 9ea7e55ab9eacbdcfde76627fdc070a9cb4d1d45

patch 8.2.2677: Vim9: cannot use only some of the default arguments

Problem:    Vim9: cannot use only some of the default arguments.
Solution:   Use v:none to use default argument value.  Remove
            uf_def_arg_idx[], use JUMP_IF_ARG_SET. (closes #6504)

src/testdir/test_vim9_disassemble.vim

diff --git a/src/testdir/test_vim9_disassemble.vim b/src/testdir/test_vim9_disassemble.vim
index 407e261..e24e72f 100644
--- a/src/testdir/test_vim9_disassemble.vim
+++ b/src/testdir/test_vim9_disassemble.vim
@@ -641,18 +641,25 @@
 enddef
 
 
-def FuncWithDefault(arg: string = 'default'): string
-  return arg
+def FuncWithDefault(arg: string = 'default', nr = 77): string
+  return arg .. nr
 enddef
 
 def Test_disassemble_call_default()
   var res = execute('disass FuncWithDefault')
   assert_match('FuncWithDefault\_s*' ..
+        '\d JUMP_IF_ARG_SET arg\[-2\] -> 3\_s*' ..
         '\d PUSHS "default"\_s*' ..
+        '\d STORE arg\[-2]\_s*' ..
+        '3 JUMP_IF_ARG_SET arg\[-1\] -> 6\_s*' ..
+        '\d PUSHNR 77\_s*' ..
         '\d STORE arg\[-1]\_s*' ..
-        'return arg\_s*' ..
+        'return arg .. nr\_s*' ..
+        '6 LOAD arg\[-2]\_s*' ..
         '\d LOAD arg\[-1]\_s*' ..
-        '\d RETURN',
+        '\d 2STRING stack\[-1]\_s*' ..
+        '\d\+ CONCAT\_s*' ..
+        '\d\+ RETURN',
         res)
 enddef