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diff src/vim9execute.c @ 24303:17b49af76766 v8.2.2692

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patch 8.2.2692: Vim9: locked script variable can be changed Commit: https://github.com/vim/vim/commit/f5906aa7807e9a14159cbc09a141138a2a068ab2 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Apr 2 14:35:15 2021 +0200 patch 8.2.2692: Vim9: locked script variable can be changed Problem: Vim9: locked script variable can be changed. Solution: Check for locked value. (closes https://github.com/vim/vim/issues/8031)
author Bram Moolenaar <Bram@vim.org>
date Fri, 02 Apr 2021 14:45:06 +0200
parents bbf4b3185554
children c88d0b5c5a42
line wrap: on
line diff
--- a/src/vim9execute.c
+++ b/src/vim9execute.c
@@ -1958,6 +1958,13 @@ call_def_function(
 		    if (sv == NULL)
 			goto failed;
 		    --ectx.ec_stack.ga_len;
+
+		    // "const" and "final" are checked at compile time, locking
+		    // the value needs to be checked here.
+		    SOURCING_LNUM = iptr->isn_lnum;
+		    if (value_check_lock(sv->sv_tv->v_lock, sv->sv_name, FALSE))
+			goto on_error;
+
 		    clear_tv(sv->sv_tv);
 		    *sv->sv_tv = *STACK_TV_BOT(0);
 		}