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Diffstat (limited to 'runtime/syntax/tcsh.vim')
| -rw-r--r-- | runtime/syntax/tcsh.vim | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/runtime/syntax/tcsh.vim b/runtime/syntax/tcsh.vim new file mode 100644 index 0000000..6837125 --- /dev/null +++ b/runtime/syntax/tcsh.vim @@ -0,0 +1,255 @@ +" Vim syntax file +" Language: tcsh scripts +" Maintainer: Doug Kearns <dougkearns@gmail.com> +" Previous Maintainer: Gautam Iyer <gi1242+vim@NoSpam.com> where NoSpam=gmail (Original Author) +" Last Change: 2021 Oct 15 + +" Description: We break up each statement into a "command" and an "end" part. +" All groups are either a "command" or part of the "end" of a statement (ie +" everything after the "command"). This is because blindly highlighting tcsh +" statements as keywords caused way too many false positives. Eg: +" +" set history=200 +" +" causes history to come up as a keyword, which we want to avoid. + +" Quit when a syntax file was already loaded +if exists('b:current_syntax') + finish +endif + +let s:oldcpo = &cpo +set cpo&vim " Line continuation is used + +syn iskeyword @,48-57,_,192-255,- + +syn case match + +" ----- Clusters ----- {{{1 +syn cluster tcshModifiers contains=tcshModifier,tcshModifierError +syn cluster tcshQuoteList contains=tcshDQuote,tcshSQuote,tcshBQuote +syn cluster tcshStatementEnds contains=@tcshQuoteList,tcshComment,@tcshVarList,tcshRedir,tcshMeta,tcshHereDoc,tcshSpecial,tcshArgument +syn cluster tcshStatements contains=tcshBuiltin,tcshCommands,tcshIf,tcshWhile +syn cluster tcshVarList contains=tcshUsrVar,tcshArgv,tcshSubst +syn cluster tcshConditions contains=tcshCmdSubst,tcshParenExpr,tcshOperator,tcshNumber,@tcshVarList + +" ----- Errors ----- {{{1 +" Define first, so can be easily overridden. +syn match tcshError contained '\v\S.+' + +" ----- Statements ----- {{{1 +" Tcsh commands: Any filename / modifiable variable (must be first!) +syn match tcshCommands '\v[a-zA-Z0-9\\./_$:-]+' contains=tcshSpecial,tcshUsrVar,tcshArgv,tcshVarError nextgroup=tcshStatementEnd + +" Builtin commands except those treated specially. Currently (un)set(env), +" (un)alias, if, while, else, bindkey +syn keyword tcshBuiltin nextgroup=tcshStatementEnd alloc bg break breaksw builtins bye case cd chdir complete continue default dirs echo echotc end endif endsw eval exec exit fg filetest foreach getspath getxvers glob goto hashstat history hup inlib jobs kill limit log login logout ls ls-F migrate newgrp nice nohup notify onintr popd printenv pushd rehash repeat rootnode sched setpath setspath settc setty setxvers shift source stop suspend switch telltc termname time umask uncomplete unhash universe unlimit ver wait warp watchlog where which + +" StatementEnd is anything after a built-in / command till the lexical end of a +" statement (;, |, ||, |&, && or end of line) +syn region tcshStatementEnd transparent contained matchgroup=tcshBuiltin start='' end='\v\\@<!(;|\|[|&]?|\&\&|$)' contains=@tcshStatementEnds + +" set expressions (Contains shell variables) +syn keyword tcshShellVar contained addsuffix afsuser ampm anyerror argv autocorrect autoexpand autolist autologout autorehash backslash_quote catalog cdpath cdtohome color colorcat command compat_expr complete continue continue_args correct csubstnonl cwd dextract dirsfile dirstack dspmbyte dunique echo echo_style edit editors ellipsis euid euser fignore filec gid globdot globstar group highlight histchars histdup histfile histlit history home ignoreeof implicitcd inputmode killdup killring listflags listjobs listlinks listmax listmaxrows loginsh logout mail matchbeep nobeep noclobber noding noglob nokanji nonomatch nostat notify oid owd padhour parseoctal path printexitvalue prompt prompt2 prompt3 promptchars pushdtohome pushdsilent recexact recognize_only_executables rmstar rprompt savedirs savehist sched shell shlvl status symlinks tcsh term time tperiod tty uid user verbose version vimode visiblebell watch who wordchars +syn keyword tcshBuiltin nextgroup=tcshSetEnd set unset +syn region tcshSetEnd contained transparent matchgroup=tcshBuiltin start='' skip='\\$' end='$\|;' contains=tcshShellVar,@tcshStatementEnds + +" setenv expressions (Contains environment variables) +syn keyword tcshEnvVar contained AFSUSER COLUMNS DISPLAY EDITOR GROUP HOME HOST HOSTTYPE HPATH LANG LC_CTYPE LINES LS_COLORS MACHTYPE NOREBIND OSTYPE PATH PWD REMOTEHOST SHLVL SYSTYPE TERM TERMCAP USER VENDOR VISUAL +syn keyword tcshBuiltin nextgroup=tcshEnvEnd setenv unsetenv +syn region tcshEnvEnd contained transparent matchgroup=tcshBuiltin start='' skip='\\$' end='$\|;' contains=tcshEnvVar,@tcshStatementEnds + +" alias and unalias (contains special aliases) +syn keyword tcshAliases contained beepcmd cwdcmd jobcmd helpcommand periodic precmd postcmd shell +syn keyword tcshBuiltin nextgroup=tcshAliCmd skipwhite alias unalias +syn match tcshAliCmd contained nextgroup=tcshAliEnd skipwhite '\v(\w|-)+' contains=tcshAliases +syn region tcshAliEnd contained transparent matchgroup=tcshBuiltin start='' skip='\\$' end='$\|;' contains=@tcshStatementEnds + +" if statements +syn keyword tcshIf nextgroup=tcshIfEnd skipwhite if +syn region tcshIfEnd contained start='\S' skip='\\$' matchgroup=tcshBuiltin end='\v<then>|$' contains=@tcshConditions,tcshSpecial,@tcshStatementEnds +syn region tcshIfEnd contained matchgroup=tcshBuiltin contains=@tcshConditions,tcshSpecial start='(' end='\v\)%(\s+then>)?' skipwhite nextgroup=@tcshStatementEnds +syn region tcshIfEnd contained matchgroup=tcshBuiltin contains=tcshCommands,tcshSpecial start='\v\{\s+' end='\v\s+\}%(\s+then>)?' skipwhite nextgroup=@tcshStatementEnds keepend + +" else statements +syn keyword tcshBuiltin nextgroup=tcshIf skipwhite else + +" while statements (contains expressions / operators) +syn keyword tcshBuiltin nextgroup=@tcshConditions,tcshSpecial skipwhite while + +" Conditions (for if and while) +syn region tcshParenExpr contained contains=@tcshConditions,tcshSpecial matchgroup=tcshBuiltin start='(' end=')' +syn region tcshCmdSubst contained contains=tcshCommands matchgroup=tcshBuiltin start='\v\{\s+' end='\v\s+\}' keepend + +" Bindkey. Internal editor functions +syn keyword tcshBindkeyFuncs contained backward-char backward-delete-char + \ backward-delete-word backward-kill-line backward-word + \ beginning-of-line capitalize-word change-case + \ change-till-end-of-line clear-screen complete-word + \ complete-word-fwd complete-word-back complete-word-raw + \ copy-prev-word copy-region-as-kill dabbrev-expand delete-char + \ delete-char-or-eof delete-char-or-list + \ delete-char-or-list-or-eof delete-word digit digit-argument + \ down-history downcase-word end-of-file end-of-line + \ exchange-point-and-mark expand-glob expand-history expand-line + \ expand-variables forward-char forward-word + \ gosmacs-transpose-chars history-search-backward + \ history-search-forward insert-last-word i-search-fwd + \ i-search-back keyboard-quit kill-line kill-region + \ kill-whole-line list-choices list-choices-raw list-glob + \ list-or-eof load-average magic-space newline newline-and-hold + \ newline-and-down-history normalize-path normalize-command + \ overwrite-mode prefix-meta quoted-insert redisplay + \ run-fg-editor run-help self-insert-command sequence-lead-in + \ set-mark-command spell-word spell-line stuff-char + \ toggle-literal-history transpose-chars transpose-gosling + \ tty-dsusp tty-flush-output tty-sigintr tty-sigquit tty-sigtsusp + \ tty-start-output tty-stop-output undefined-key + \ universal-argument up-history upcase-word + \ vi-beginning-of-next-word vi-add vi-add-at-eol vi-chg-case + \ vi-chg-meta vi-chg-to-eol vi-cmd-mode vi-cmd-mode-complete + \ vi-delprev vi-delmeta vi-endword vi-eword vi-char-back + \ vi-char-fwd vi-charto-back vi-charto-fwd vi-insert + \ vi-insert-at-bol vi-repeat-char-fwd vi-repeat-char-back + \ vi-repeat-search-fwd vi-repeat-search-back vi-replace-char + \ vi-replace-mode vi-search-back vi-search-fwd vi-substitute-char + \ vi-substitute-line vi-word-back vi-word-fwd vi-undo vi-zero + \ which-command yank yank-pop e_copy_to_clipboard + \ e_paste_from_clipboard e_dosify_next e_dosify_prev e_page_up + \ e_page_down +syn keyword tcshBuiltin nextgroup=tcshBindkeyEnd bindkey +syn region tcshBindkeyEnd contained transparent matchgroup=tcshBuiltin start='' skip='\\$' end='$' contains=@tcshQuoteList,tcshComment,@tcshVarList,tcshMeta,tcshSpecial,tcshArgument,tcshBindkeyFuncs + +" Expressions start with @. +syn match tcshExprStart '\v\@\s+' nextgroup=tcshExprVar +syn match tcshExprVar contained '\v\h\w*%(\[\d+\])?' contains=tcshShellVar,tcshEnvVar nextgroup=tcshExprOp +syn match tcshExprOp contained '++\|--' +syn match tcshExprOp contained '\v\s*\=' nextgroup=tcshExprEnd +syn match tcshExprEnd contained '\v.*$'hs=e+1 contains=@tcshConditions +syn match tcshExprEnd contained '\v.{-};'hs=e contains=@tcshConditions + +" ----- Comments: ----- {{{1 +syn match tcshComment '#\s.*' contains=tcshTodo,tcshCommentTi,@Spell +syn match tcshComment '\v#($|\S.*)' contains=tcshTodo,tcshCommentTi +syn match tcshSharpBang '^#! .*$' +syn match tcshCommentTi contained '\v#\s*\u\w*(\s+\u\w*)*:'hs=s+1 contains=tcshTodo +syn match tcshTodo contained '\v\c<todo>' + +" ----- Strings ----- {{{1 +" Tcsh does not allow \" in strings unless the "backslash_quote" shell +" variable is set. Set the vim variable "tcsh_backslash_quote" to 0 if you +" want VIM to assume that no backslash quote constructs exist. + +" Backquotes are treated as commands, and are not contained in anything +if exists('tcsh_backslash_quote') && tcsh_backslash_quote == 0 + syn region tcshSQuote keepend contained start="\v\\@<!'" end="'" + syn region tcshDQuote keepend contained start='\v\\@<!"' end='"' contains=@tcshVarList,tcshSpecial,@Spell + syn region tcshBQuote keepend start='\v\\@<!`' end='`' contains=@tcshStatements +else + syn region tcshSQuote contained start="\v\\@<!'" skip="\v\\\\|\\'" end="'" + syn region tcshDQuote contained start='\v\\@<!"' end='"' contains=@tcshVarList,tcshSpecial,@Spell + syn region tcshBQuote keepend matchgroup=tcshBQuoteGrp start='\v\\@<!`' skip='\v\\\\|\\`' end='`' contains=@tcshStatements +endif + +" ----- Variables ----- {{{1 +" Variable Errors. Must come first! \$ constructs will be flagged by +" tcshSpecial, so we don't consider them here. +syn match tcshVarError '\v\$\S*' contained + +" Modifiable Variables without {}. +syn match tcshUsrVar contained '\v\$\h\w*%(\[\d+%(-\d+)?\])?' nextgroup=@tcshModifiers contains=tcshShellVar,tcshEnvVar +syn match tcshArgv contained '\v\$%(\d+|\*)' nextgroup=@tcshModifiers + +" Modifiable Variables with {}. +syn match tcshUsrVar contained '\v\$\{\h\w*%(\[\d+%(-\d+)?\])?%(:\S*)?\}' contains=@tcshModifiers,tcshShellVar,tcshEnvVar +syn match tcshArgv contained '\v\$\{%(\d+|\*)%(:\S*)?\}' contains=@tcshModifiers + +" Un-modifiable Substitutions. Order is important here. +syn match tcshSubst contained '\v\$[?#$!_<]' nextgroup=tcshModifierError +syn match tcshSubst contained '\v\$[%#?]%(\h\w*|\d+)' nextgroup=tcshModifierError contains=tcshShellVar,tcshEnvVar +syn match tcshSubst contained '\v\$\{[%#?]%(\h\w*|\d+)%(:\S*)?\}' contains=tcshModifierError contains=tcshShellVar,tcshEnvVar + +" Variable Name Expansion Modifiers (order important) +syn match tcshModifierError contained '\v:\S*' +syn match tcshModifier contained '\v:[ag]?[htreuls&qx]' nextgroup=@tcshModifiers + +" ----- Operators / Specials ----- {{{1 +" Standard redirects (except <<) [<, >, >>, >>&, >>!, >>&!] +syn match tcshRedir contained '\v\<|\>\>?\&?!?' + +" Meta-chars +syn match tcshMeta contained '\v[]{}*?[]' + +" Here documents (<<) +syn region tcshHereDoc contained matchgroup=tcshShellVar start='\v\<\<\s*\z(\h\w*)' end='^\z1$' contains=@tcshVarList,tcshSpecial +syn region tcshHereDoc contained matchgroup=tcshShellVar start="\v\<\<\s*'\z(\h\w*)'" start='\v\<\<\s*"\z(\h\w*)"$' start='\v\<\<\s*\\\z(\h\w*)$' end='^\z1$' + +" Operators +syn match tcshOperator contained '&&\|!\~\|!=\|<<\|<=\|==\|=\~\|>=\|>>\|\*\|\^\|\~\|||\|!\|%\|&\|+\|-\|/\|<\|>\||' +"syn match tcshOperator contained '[(){}]' + +" Numbers +syn match tcshNumber contained '\v<-?\d+>' + +" Arguments +syn match tcshArgument contained '\v\s@<=-(\w|-)*' + +" Special characters. \xxx, or backslashed characters. +"syn match tcshSpecial contained '\v\\@<!\\(\d{3}|.)' +syn match tcshSpecial contained '\v\\%([0-7]{3}|.)' + +" ----- Synchronising ----- {{{1 +if exists('tcsh_minlines') + if tcsh_minlines == 'fromstart' + syn sync fromstart + else + exec 'syn sync minlines=' . tcsh_minlines + endif +else + syn sync minlines=100 " Some completions can be quite long +endif + +" ----- Highlighting ----- {{{1 +" Define highlighting of syntax groups +hi def link tcshError Error +hi def link tcshBuiltin Statement +hi def link tcshShellVar Preproc +hi def link tcshEnvVar tcshShellVar +hi def link tcshAliases tcshShellVar +hi def link tcshAliCmd Identifier +hi def link tcshCommands Identifier +hi def link tcshIf tcshBuiltin +hi def link tcshWhile tcshBuiltin +hi def link tcshBindkeyFuncs Function +hi def link tcshExprStart tcshBuiltin +hi def link tcshExprVar tcshUsrVar +hi def link tcshExprOp tcshOperator +hi def link tcshExprEnd tcshOperator +hi def link tcshComment Comment +hi def link tcshCommentTi Preproc +hi def link tcshSharpBang tcshCommentTi +hi def link tcshTodo Todo +hi def link tcshSQuote Constant +hi def link tcshDQuote tcshSQuote +hi def link tcshBQuoteGrp Include +hi def link tcshVarError Error +hi def link tcshUsrVar Type +hi def link tcshArgv tcshUsrVar +hi def link tcshSubst tcshUsrVar +hi def link tcshModifier tcshArgument +hi def link tcshModifierError tcshVarError +hi def link tcshMeta tcshSubst +hi def link tcshRedir tcshOperator +hi def link tcshHereDoc tcshSQuote +hi def link tcshOperator Operator +hi def link tcshNumber Number +hi def link tcshArgument Special +hi def link tcshSpecial SpecialChar +" }}} + +let &cpo = s:oldcpo +unlet s:oldcpo + +let b:current_syntax = 'tcsh' + +" vim: nowrap sw=2 sts=2 ts=8 noet fdm=marker: |