diff src/evalfunc.c @ 21695:f27187782dc6 v8.2.1397

patch 8.2.1397: Vim9: return type of maparg() not adjusted for fourth arg Commit: https://github.com/vim/vim/commit/4a6d1b660fcea67931202527ad2852da55d26d49 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 8 17:55:49 2020 +0200 patch 8.2.1397: Vim9: return type of maparg() not adjusted for fourth arg Problem: Vim9: return type of maparg() not adjusted for fourth argument. Solution: Check if fourth argument is present. (closes https://github.com/vim/vim/issues/6645)
author Bram Moolenaar <Bram@vim.org>
date Sat, 08 Aug 2020 18:00:04 +0200
parents 9a2ce62b93e9
children 35921b7fc07a
line wrap: on
line diff
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -402,6 +402,15 @@ ret_getreg(int argcount, type_T **argtyp
     return &t_string;
 }
 
+    static type_T *
+ret_maparg(int argcount, type_T **argtypes UNUSED)
+{
+    // Assume that if the fourth argument is passed it's non-zero
+    if (argcount == 4)
+	return &t_dict_any;
+    return &t_string;
+}
+
 static type_T *ret_f_function(int argcount, type_T **argtypes);
 
 /*
@@ -729,7 +738,7 @@ static funcentry_T global_functions[] =
 #endif
 			},
     {"map",		2, 2, FEARG_1,	  ret_any,	f_map},
-    {"maparg",		1, 4, FEARG_1,	  ret_string,	f_maparg},
+    {"maparg",		1, 4, FEARG_1,	  ret_maparg,	f_maparg},
     {"mapcheck",	1, 3, FEARG_1,	  ret_string,	f_mapcheck},
     {"mapset",		3, 3, FEARG_1,	  ret_void,	f_mapset},
     {"match",		2, 4, FEARG_1,	  ret_any,	f_match},