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vim-patch:11bde1f: runtime(sh): refactored sh.vim syntax script (#35895)
- unified bashStatement, kshStatement and shStatement as much as
possible
- separated builtin commands from external programs
- cleaned up kornshell flavor logic
- fixed alias syntax highlighting
- added test for bash alias syntax highlighting
- removed daemon keyword
closes: vim/vim#18355
11bde1f169
Co-authored-by: Bjoern Foersterling <bjoern.foersterling@gmail.com>
This commit is contained in:
zeertzjq
@@ -4,20 +4,21 @@
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" Previous Maintainers: Charles E. Campbell
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" Lennart Schultz <Lennart.Schultz@ecmwf.int>
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" Last Change: 2024 Mar 04 by Vim Project {{{1
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" 2024 Nov 03 by Aliaksei Budavei <0x000c70 AT gmail DOT com> (improved bracket expressions, #15941)
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" 2025 Jan 06 add $PS0 to bashSpecialVariables (#16394)
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" 2025 Jan 18 add bash coproc, remove duplicate syn keywords (#16467)
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" 2025 Mar 21 update shell capability detection (#16939)
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" 2025 Apr 03 command substitution opening paren at EOL (#17026)
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" 2025 Apr 10 improve shell detection (#17084)
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" 2025 Apr 29 match escaped chars in test operands (#17221)
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" 2024 Nov 03 by Aliaksei Budavei <0x000c70 AT gmail DOT com> improved bracket expressions, #15941
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" 2025 Jan 06 add $PS0 to bashSpecialVariables #16394
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" 2025 Jan 18 add bash coproc, remove duplicate syn keywords #16467
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" 2025 Mar 21 update shell capability detection #16939
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" 2025 Apr 03 command substitution opening paren at EOL #17026
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" 2025 Apr 10 improve shell detection #17084
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" 2025 Apr 29 match escaped chars in test operands #17221
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" 2025 May 06 improve single-quote string matching in parameter expansions
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" 2025 May 06 match KornShell compound arrays
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" 2025 May 10 improve wildcard character class lists
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" 2025 May 21 improve supported KornShell features
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" 2025 Jun 16 change how sh_fold_enabled is reset (#17557)
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" 2025 Jul 18 properly delete :commands (#17785)
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" 2025 Aug 23 bash: add support for ${ cmd;} and ${|cmd;} (#18084)
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" 2025 Jun 16 change how sh_fold_enabled is reset #17557
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" 2025 Jul 18 properly delete :commands #17785
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" 2025 Aug 23 bash: add support for ${ cmd;} and ${|cmd;} #18084
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" 2025 Sep 23 simplify ksh logic, update sh statements #18355
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" }}}
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" Version: 208
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" Former URL: http://www.drchip.org/astronaut/vim/index.html#SYNTAX_SH
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@@ -318,8 +319,6 @@ if exists("b:is_kornshell") || exists("b:is_bash") || exists("b:is_posix")
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syn match shStatement "\<alias\>"
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syn region shAlias matchgroup=shStatement start="\<alias\>\s\+\(\h[-._[:alnum:]]*\)\@=" skip="\\$" end="\>\|`"
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syn region shAlias matchgroup=shStatement start="\<alias\>\s\+\(\h[-._[:alnum:]]*=\)\@=" skip="\\$" end="="
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" syn region shAlias matchgroup=shStatement start="\<alias\>\s\+\(\h[-._[:alnum:]]\+\)\@=" skip="\\$" end="\>\|`"
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" syn region shAlias matchgroup=shStatement start="\<alias\>\s\+\(\h[-._[:alnum:]]\+=\)\@=" skip="\\$" end="="
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" Touch: {{{1
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" =====
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@@ -449,12 +448,7 @@ endif
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"======
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syn match shWrapLineOperator "\\$"
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syn region shCommandSubBQ start="`" skip="\\\\\|\\." end="`" contains=shBQComment,@shCommandSubList
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"COMBAK: see ksh13:50
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"syn match shEscape contained '\%(^\)\@!\%(\\\\\)*\\.' nextgroup=shSingleQuote,shDoubleQuote,shComment
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"COMBAK: see sh11:27
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syn match shEscape contained '\%(^\)\@!\%(\\\\\)*\\.' nextgroup=shComment
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"COMBAK: see ksh13:53
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"syn match shEscape contained '\%(^\)\@!\%(\\\\\)*\\.'
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" $() and $(()): {{{1
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" $(..) is not supported by sh (Bourne shell). However, apparently
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@@ -492,45 +486,45 @@ if exists("b:is_bash")
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syn cluster shCommandSubList add=bashSpecialVariables,bashStatement
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syn cluster shCaseList add=bashAdminStatement,bashStatement
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syn keyword bashSpecialVariables contained auto_resume BASH BASH_ALIASES BASH_ARGC BASH_ARGV BASH_CMDS BASH_COMMAND BASH_ENV BASH_EXECUTION_STRING BASH_LINENO BASHOPTS BASHPID BASH_REMATCH BASH_SOURCE BASH_SUBSHELL BASH_VERSINFO BASH_VERSION BASH_XTRACEFD CDPATH COLUMNS COMP_CWORD COMP_KEY COMP_LINE COMP_POINT COMPREPLY COMP_TYPE COMP_WORDBREAKS COMP_WORDS COPROC COPROC_PID DIRSTACK EMACS ENV EUID FCEDIT FIGNORE FUNCNAME FUNCNEST GLOBIGNORE GROUPS histchars HISTCMD HISTCONTROL HISTFILE HISTFILESIZE HISTIGNORE HISTSIZE HISTTIMEFORMAT HOME HOSTFILE HOSTNAME HOSTTYPE IFS IGNOREEOF INPUTRC LANG LC_ALL LC_COLLATE LC_CTYPE LC_MESSAGES LC_NUMERIC LINENO LINES MACHTYPE MAIL MAILCHECK MAILPATH MAPFILE OLDPWD OPTARG OPTERR OPTIND OSTYPE PATH PIPESTATUS POSIXLY_CORRECT PPID PROMPT_COMMAND PS0 PS1 PS2 PS3 PS4 PWD RANDOM READLINE_LINE READLINE_POINT REPLY SECONDS SHELL SHELLOPTS SHLVL TIMEFORMAT TIMEOUT TMPDIR UID
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syn keyword bashStatement basename cat chgrp chmod chown cksum clear cmp comm command compgen complete cp cut date dirname du egrep expr fgrep find fmt fold getconf gnufind gnugrep grep head iconv id join less ln logname ls md5sum mkdir mkfifo mknod mktemp mv od paste pathchk readlink realpath rev rm rmdir rpm sed sha1sum sha224sum sha256sum sha384sum sha512sum sleep sort strip stty sum sync tail tee tr tty uname uniq wc which xargs xgrep
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syn keyword bashAdminStatement daemon killall killproc nice reload restart start status stop
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syn keyword bashStatement bind builtin caller compgen complete compopt declare dirs disown enable fg help history let logout mapfile popd pushd readarray shopt source suspend time
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syn keyword bashStatement typeset nextgroup=shSetOption
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syn keyword bashAdminStatement reload restart start status stop
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endif
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if exists("b:is_kornshell") || exists("b:is_posix")
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syn cluster shCommandSubList add=kshSpecialVariables,kshStatement
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" for all kornshells
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if exists("b:is_kornshell")
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syn cluster shCaseList add=kshStatement
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syn cluster shCommandSubList add=kshSpecialVariables,kshStatement
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syn keyword kshSpecialVariables contained CDPATH COLUMNS EDITOR ENV FCEDIT FIGNORE FPATH HISTCMD HISTEDIT HISTFILE HISTSIZE HOME IFS JOBMAX KSH_VERSION LANG LC_ALL LC_COLLATE LC_CTYPE LC_MESSAGES LC_NUMERIC LC_TIME LINENO LINES MAIL MAILCHECK MAILPATH OLDPWD OPTARG OPTIND PATH PPID PS1 PS2 PS3 PS4 PWD RANDOM REPLY SECONDS SHELL SHLVL TMOUT VISUAL
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syn keyword kshStatement basename cat chgrp chmod chown cksum clear cmp comm command cp cut date dirname du egrep expr fgrep find fmt fold grep head iconv id join killall less ln logname ls md5sum mkdir mknod mkfifo mktemp mv nice od paste pathchk printenv readlink realpath rev rm rmdir sed setgroups setsenv sha1sum sha224sum sha256sum sha384sum sha512sum sort strip stty sum sync tail tee tput tr tty uname uniq wc which xargs xgrep
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if exists("b:is_ksh88")
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syn keyword kshSpecialVariables contained ERRNO
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elseif exists("b:is_mksh")
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syn keyword kshSpecialVariables contained BASHPID EPOCHREALTIME EXECSHELL KSHEGID KSHGID KSHUID KSH_MATCH PATHSEP PGRP PIPESTATUS TMPDIR USER_ID
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syn keyword kshStatement bind rename
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elseif exists("b:is_ksh93v") || exists("b:is_ksh2020")
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syn keyword kshSpecialVariables contained SH_OPTIONS COMP_CWORD COMP_LINE COMP_POINT COMP_WORDS COMP_KEY COMPREPLY COMP_WORDBREAKS COMP_TYPE
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syn keyword kshStatement compgen complete
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if exists("b:is_ksh93v")
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syn keyword kshSpecialVariables contained VPATH CSWIDTH
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syn keyword kshStatement vmstate alarm fds pids poll sha2sum
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syn keyword kshStatement autoload builtin compound disown enum fg float functions hist history integer let nameref r redirect source stop suspend time whence xgrep
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syn keyword shStatement typeset skipwhite nextgroup=shSetOption
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endif
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" kornshell flavors
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if exists("b:generic_korn")
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syn keyword kshSpecialVariables contained BASHPID EPOCHREALTIME ERRNO EXECSHELL KSHEGID KSHGID KSHUID KSH_MATCH PATHSEP PGRP PIPESTATUS TMPDIR USER_ID SH_OPTIONS COMP_CWORD COMP_LINE COMP_POINT COMP_WORDS COMP_KEY COMPREPLY COMP_WORDBREAKS COMP_TYPE VPATH SRANDOM CSWIDTH
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syn keyword kshStatement alarm bind compgen complete eloop fds mkservice pids poll sha2sum vmstate
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elseif exists("b:is_ksh88")
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syn keyword kshSpecialVariables bind contained ERRNO
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elseif exists("b:is_ksh93")
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syn keyword kshSpecialVariables contained BASHPID COMP_CWORD COMP_KEY COMP_LINE COMP_POINT COMPREPLY COMP_TYPE COMP_WORDBREAKS COMP_WORDS CSWIDTH EPOCHREALTIME EXECSHELL KSHEGID KSHGID KSHUID KSH_MATCH PATHSEP PGRP PIPESTATUS SH_OPTIONS SRANDOM TMPDIR USER_ID VPATH
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syn keyword kshStatement alarm bind compgen complete eloop fds mkservice pids poll sha2sum vmstate
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elseif exists("b:is_ksh93v")
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syn keyword kshSpecialVariables contained SH_OPTIONS COMP_CWORD COMP_LINE COMP_POINT COMP_WORDS COMP_KEY COMPREPLY COMP_WORDBREAKS COMP_TYPE CSWIDTH VPATH
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syn keyword kshStatement alarm compgen complete fds pids poll sha2sum vmstate
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elseif exists("b:is_ksh93u")
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" ksh93u+
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syn keyword kshSpecialVariables contained VPATH CSWIDTH
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syn keyword kshStatement alarm fds pids vmstate
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else
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" 'ksh' is ambiguous; include everything
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syn keyword kshSpecialVariables contained BASHPID EPOCHREALTIME EXECSHELL KSHEGID KSHGID KSHUID KSH_MATCH PATHSEP PGRP PIPESTATUS TMPDIR USER_ID SH_OPTIONS COMP_CWORD COMP_LINE COMP_POINT COMP_WORDS COMP_KEY COMPREPLY COMP_WORDBREAKS COMP_TYPE VPATH SRANDOM CSWIDTH
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if !exists("b:is_ksh93")
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syn keyword kshSpecialVariables contained ERRNO
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endif
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syn keyword kshStatement vmstate alarm fds pids poll sha2sum alarm eloop fds mkservice pids compgen complete bind rename
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endif
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elseif exists("b:is_ksh2020")
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syn keyword kshSpecialVariables contained SH_OPTIONS COMP_CWORD COMP_LINE COMP_POINT COMP_WORDS COMP_KEY COMPREPLY COMP_WORDBREAKS COMP_TYPE
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syn keyword kshStatement compgen complete
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elseif exists("b:is_mksh")
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syn keyword kshSpecialVariables contained BASHPID EPOCHREALTIME EXECSHELL KSHEGID KSHGID KSHUID KSH_MATCH PATHSEP PGRP PIPESTATUS TMPDIR USER_ID
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syn keyword kshStatement bind
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endif
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syn match shSource "^\.\s"
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syn match shSource "\s\.\s"
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"syn region shColon start="^\s*:" end="$" end="\s#"me=e-2 contains=@shColonList
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"syn region shColon start="^\s*\zs:" end="$" end="\s#"me=e-2
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if exists("b:is_kornshell") || exists("b:is_posix")
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syn match shColon '^\s*\zs:'
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endif
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@@ -559,8 +553,6 @@ syn match shSpecialStart "\%(\\\\\)*\\[\\"'`$()#]" contained nextgroup=shBks
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syn match shSpecial "^\%(\\\\\)*\\[\\"'`$()#]"
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syn match shSpecialNoZS contained "\%(\\\\\)*\\[\\"'`$()#]"
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syn match shSpecialNxt contained "\\[\\"'`$()#]"
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"syn region shBkslshSnglQuote contained matchgroup=shQuote start=+'+ end=+'+ contains=@Spell nextgroup=shSpecialStart
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"syn region shBkslshDblQuote contained matchgroup=shQuote start=+"+ skip=+\\"+ end=+"+ contains=@shDblQuoteList,shStringSpecial,@Spell nextgroup=shSpecialStart
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" Comments: {{{1
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"==========
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@@ -635,6 +627,7 @@ elseif exists("b:is_kornshell") || exists("b:is_posix")
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syn match shSet "^\s*set\ze\s\+$"
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if exists("b:is_dash")
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syn region shSetList oneline matchgroup=shSet start="\<\%(local\)\>\ze[/]\@!" end="$" matchgroup=shSetListDelim end="\ze[}|);&]" matchgroup=NONE end="\ze\s\+[#=]" contains=@shIdList
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syn keyword shStatement chdir
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endif
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syn region shSetList oneline matchgroup=shSet start="\<\(export\)\>\ze[/]\@!" end="$" matchgroup=shSetListDelim end="\ze[}|);&]" matchgroup=NONE end="\ze\s\+[#=]" contains=@shIdList
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syn region shSetList oneline matchgroup=shSet start="\<\%(set\|unset\>\)\ze[/a-zA-Z_]\@!" end="\ze[;|#)]\|$" matchgroup=shSetListDelim end="\ze[}|);&]" matchgroup=NONE end="\ze\s\+[#=]" contains=@shIdList nextgroup=shComment
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@@ -667,8 +660,6 @@ endif
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" Parameter Dereferencing: {{{1
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" ========================
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" Note: sh04 failure with following line
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"if !exists("g:sh_no_error") && !(exists("b:is_bash") || exists("b:is_kornshell") || exists("b:is_posix"))
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if !exists("g:sh_no_error")
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syn match shDerefWordError "[^}$[~]" contained
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endif
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@@ -797,35 +788,15 @@ syn region shParen matchgroup=shArithRegion start='\$\@!(\%(\ze[^(]\|$\)' end=')
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" Additional sh Keywords: {{{1
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" ===================
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syn keyword shStatement break cd chdir continue eval exec exit kill newgrp pwd read readonly return shift test trap ulimit umask wait
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" builtins:
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syn keyword shStatement bg break cd continue command eval exec exit export fc getopts hash jobs local printf read readonly return shift times trap type ulimit umask unalias wait
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" external programs:
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syn keyword shStatement basename cat chgrp chmod chown cksum clear cmp comm cp cut date dirname du egrep expr false fgrep find fmt fold getconf grep head iconv id join kill killall less ln login logname ls md5sum mkdir mkfifo mknod mktemp mv newgrp nice nohup od paste pathchk printenv pwd readlink realpath rename rev rm rmdir sed sha1sum sha224sum sha256sum sha384sum sha512sum sleep sort strip stty sum sync tail tee test tput tr true tty uname uniq wc which xargs
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syn keyword shConditional contained elif else then
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if !exists("g:sh_no_error")
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syn keyword shCondError elif else then
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endif
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" Additional ksh Keywords and Aliases: {{{1
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" ===================================
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if exists("b:is_kornshell") || exists("b:is_posix")
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syn keyword shStatement bg builtin disown enum export false fg getconf getopts hist jobs let printf sleep true unalias whence
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syn keyword shStatement typeset skipwhite nextgroup=shSetOption
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syn keyword shStatement autoload compound fc float functions hash history integer nameref nohup r redirect source stop suspend times type
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if exists("b:is_posix")
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syn keyword shStatement command
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else
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syn keyword shStatement time
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endif
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" Additional bash Keywords: {{{1
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" =====================
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elseif exists("b:is_bash")
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syn keyword shStatement bg builtin disown export false fg getopts jobs let printf true unalias
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syn keyword shStatement typeset nextgroup=shSetOption
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syn keyword shStatement fc hash history source suspend times type
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syn keyword shStatement bind caller compopt declare dirs enable help logout local mapfile popd pushd readarray shopt typeset
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else
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syn keyword shStatement login newgrp
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endif
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" Synchronization: {{{1
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" ================
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if !exists("g:sh_minlines")
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