Mercurial > vim
view src/create_nvcmdidxs.vim @ 28475:a7556b47ff09 v8.2.4762
patch 8.2.4762: using freed memory using synstack() and synID() in WinEnter
Commit: https://github.com/vim/vim/commit/ca7e86c23789eb0ed8f6400f25ea9e0e1036f9fc
Author: zeertzjq <zeertzjq@outlook.com>
Date: Sat Apr 16 16:49:24 2022 +0100
patch 8.2.4762: using freed memory using synstack() and synID() in WinEnter
Problem: Using freed memory when using synstack() and synID() in WinEnter.
Solution: Check using the syntax window. (closes https://github.com/vim/vim/issues/10204)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Sat, 16 Apr 2022 18:00:04 +0200 |
parents | ee1019e59bef |
children |
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" This script generates the table nv_cmd_idx[] which contains the index in " nv_cmds[] table (normal.c) for each of the command character supported in " normal/visual mode. " This is used to speed up the command lookup in nv_cmds[]. " " Script should be run using "make nvcmdidxs", every time the nv_cmds[] table " in src/nv_cmds.h changes. " " This is written in legacy Vim script so that it can be run by a slightly " older Vim version. " Generate the table of normal/visual mode command characters and their " corresponding index. let cmd = 'create_nvcmdidxs' if has('unix') let cmd = './' .. cmd endif let nv_cmdtbl = systemlist(cmd)->map({i, ch -> {'idx': i, 'cmdchar': ch}}) " sort the table by the command character call sort(nv_cmdtbl, {a, b -> a.cmdchar - b.cmdchar}) " Compute the highest index upto which the command character can be directly " used as an index. let nv_max_linear = 0 for i in range(nv_cmdtbl->len()) if i != nv_cmdtbl[i].cmdchar let nv_max_linear = i - 1 break endif endfor " Generate a header file with the table let output =<< trim END /* * Automatically generated code by the create_nvcmdidxs.vim script. * * Table giving the index in nv_cmds[] to lookup based on * the command character. */ // nv_cmd_idx[<normal mode command character>] => nv_cmds[] index static const unsigned short nv_cmd_idx[] = { END " Add each command character in comment and the corresponding index let output += nv_cmdtbl->map({_, v -> \ printf(' /* %5d */ %3d,', v.cmdchar, v.idx)}) let output += ['};', '', \ '// The highest index for which', \ '// nv_cmds[idx].cmd_char == nv_cmd_idx[nv_cmds[idx].cmd_char]'] let output += ['static const int nv_max_linear = ' .. nv_max_linear .. ';'] call writefile(output, "nv_cmdidxs.h") quit " vim: shiftwidth=2 sts=2 expandtab