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446161ae08b50c6a174ba7f82ffa14aefa1817f4
neovim/runtime/syntax/make.vim
zeertzjq 446161ae08 vim-patch:2a33b49: runtime(make): syntax highlighting update for makeDefine (#36158) 
Previously contents in makeDefine are nearly highlighted as Define, so
comments and targets shares the same color as Define, making it hard to
distinguish if someone write large block of targets-recipes as defined
function.

Such scenario is common in building data analysis pipeline. Recipes are
reused and targets may have multiple variables, and a single % implicit
rule is not enough.

closes: vim/vim#18403

2a33b499a3

Co-authored-by: Yiyang Wu <xgreenlandforwyy@gmail.com>
2025-10-13 08:57:59 +08:00

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" Vim syntax file
" Language: Makefile
" Maintainer: Roland Hieber <rohieb+vim-iR0jGdkV@rohieb.name>, <https://github.com/rohieb>
" Previous Maintainer: Claudio Fleiner <claudio@fleiner.com>
" URL: https://github.com/vim/vim/blob/master/runtime/syntax/make.vim
" Last Change: 2022 Nov 06
" 2025 Apr 15 by Vim project: rework Make flavor detection (#17089)
" 2025 Oct 12 by Vim project: update makeDefine highlighting (#18403)
" quit when a syntax file was already loaded
if exists("b:current_syntax")
finish
endif
let s:cpo_save = &cpo
set cpo&vim
" enable GNU extension when b:make_flavor is not set—detection failed or Makefile is POSIX-compliant
let s:make_flavor = 'gnu'
" some special characters
syn match makeSpecial "^\s*[@+-]\+"
syn match makeNextLine "\\\n\s*"
" catch unmatched define/endef keywords. endef only matches it is by itself on a line, possibly followed by a commend
syn region makeDefine start="^\s*define\s" end="^\s*endef\s*\(#.*\)\?$"
\ contains=makeStatement,makeIdent,makePreCondit,makeDefine,makeComment,makeTargetinDefine
if get(b:, 'make_flavor', s:make_flavor) == 'microsoft'
" Microsoft Makefile specials
syn case ignore
syn match makeInclude "^!\s*include\s.*$"
syn match makePreCondit "^!\s*\(cmdswitches\|error\|message\|include\|if\|ifdef\|ifndef\|else\|else\s*if\|else\s*ifdef\|else\s*ifndef\|endif\|undef\)\>"
syn case match
endif
" identifiers; treat $$X like $X inside makeDefine
syn match makeIdent "\$\$\w*"
syn match makeIdent "\$\$\$\$\w*" containedin=makeDefine
syn match makeIdent "\$[^({]"
syn match makeIdent "\$\$[^({]" containedin=makeDefine
syn match makeIdent "^ *[^:#= \t]*\s*[:+?!*]="me=e-2
syn match makeIdent "^ *[^:#= \t]*\s*::="me=e-3
syn match makeIdent "^ *[^:#= \t]*\s*="me=e-1
syn match makeIdent "%"
if get(b:, 'make_flavor', s:make_flavor) == 'microsoft'
syn region makeIdent start="\$(" end=")" contains=makeStatement,makeIdent
syn region makeIdent start="\${" end="}" contains=makeStatement,makeIdent
syn region makeIdent start="\$\$(" end=")" containedin=makeDefine contains=makeStatement,makeIdent
syn region makeIdent start="\$\${" end="}" containedin=makeDefine contains=makeStatement,makeIdent
else
syn region makeIdent start="\$(" skip="\\)\|\\\\" end=")" contains=makeStatement,makeIdent
syn region makeIdent start="\${" skip="\\}\|\\\\" end="}" contains=makeStatement,makeIdent
syn region makeIdent start="\$\$(" skip="\\)\|\\\\" end=")" containedin=makeDefine contains=makeStatement,makeIdent
syn region makeIdent start="\$\${" skip="\\}\|\\\\" end="}" containedin=makeDefine contains=makeStatement,makeIdent
endif
" Makefile.in variables
syn match makeConfig "@[A-Za-z0-9_]\+@"
" make targets
syn match makeImplicit "^\.[A-Za-z0-9_./\t -]\+\s*:$"me=e-1
syn match makeImplicit "^\.[A-Za-z0-9_./\t -]\+\s*:[^=]"me=e-2
syn region makeTargetinDefine transparent matchgroup=makeTargetinDefine
\ start="^[~A-Za-z0-9_./$(){}%-][A-Za-z0-9_./\t ${}()%-]*&\?:\?:\{1,2}[^:=]"rs=e-1
\ end="[^\\]$"
syn match makeTargetinDefine "^[~A-Za-z0-9_./$(){}%*@-][A-Za-z0-9_./\t $(){}%*@-]*&\?::\=\s*$"
\ contains=makeIdent,makeSpecTarget,makeComment
syn region makeTarget transparent matchgroup=makeTarget
\ start="^[~A-Za-z0-9_./$(){}%-][A-Za-z0-9_./\t ${}()%-]*&\?:\?:\{1,2}[^:=]"rs=e-1
\ end="[^\\]$"
\ keepend contains=makeIdent,makeSpecTarget,makeNextLine,makeComment,makeDString
\ skipnl nextGroup=makeCommands
syn match makeTarget "^[~A-Za-z0-9_./$(){}%*@-][A-Za-z0-9_./\t $(){}%*@-]*&\?::\=\s*$"
\ contains=makeIdent,makeSpecTarget,makeComment
\ skipnl nextgroup=makeCommands,makeCommandError
syn region makeSpecTarget transparent matchgroup=makeSpecTarget
\ start="^\.\(SUFFIXES\|PHONY\|DEFAULT\|PRECIOUS\|IGNORE\|SILENT\|NOTPARALLEL\|POSIX\)\>\s*:\{1,2}[^:=]"rs=e-1
\ end="[^\\]$" keepend
\ contains=makeIdent,makeSpecTarget,makeNextLine,makeComment skipnl nextGroup=makeCommands
syn match makeSpecTarget "^\.\(SUFFIXES\|PHONY\|DEFAULT\|PRECIOUS\|IGNORE\|SILENT\|NOTPARALLEL\|POSIX\)\>\s*::\=\s*$"
\ contains=makeIdent,makeComment
\ skipnl nextgroup=makeCommands,makeCommandError
if get(b:, 'make_flavor', s:make_flavor) == 'bsd'
syn region makeSpecTarget transparent matchgroup=makeSpecTarget
\ start="^\.DELETE_ON_ERROR\>\s*:\{1,2}[^:=]"rs=e-1
\ end="[^\\]$" keepend
\ contains=makeIdent,makeSpecTarget,makeNextLine,makeComment skipnl nextGroup=makeCommands
syn match makeSpecTarget "^\.DELETE_ON_ERROR\>\s*::\=\s*$"
\ contains=makeIdent,makeComment
\ skipnl nextgroup=makeCommands,makeCommandError
elseif get(b:, 'make_flavor', s:make_flavor) == 'gnu'
syn region makeSpecTarget transparent matchgroup=makeSpecTarget
\ start="^\.\(EXPORT_ALL_VARIABLES\|DELETE_ON_ERROR\|INTERMEDIATE\|KEEP_STATE\|LIBPATTERNS\|ONESHELL\|SECONDARY\)\>\s*:\{1,2}[^:=]"rs=e-1
\ end="[^\\]$" keepend
\ contains=makeIdent,makeSpecTarget,makeNextLine,makeComment skipnl nextGroup=makeCommands
syn match makeSpecTarget "^\.\(EXPORT_ALL_VARIABLES\|DELETE_ON_ERROR\|INTERMEDIATE\|KEEP_STATE\|LIBPATTERNS\|ONESHELL\|SECONDARY\)\>\s*::\=\s*$"
\ contains=makeIdent,makeComment
\ skipnl nextgroup=makeCommands,makeCommandError
endif
syn match makeCommandError "^\s\+\S.*" contained
syn region makeCommands contained start=";"hs=s+1 start="^\t"
\ end="^[^\t#]"me=e-1,re=e-1 end="^$"
\ contains=makeCmdNextLine,makeSpecial,makeComment,makeIdent,makePreCondit,makeDefine,makeDString,makeSString
\ nextgroup=makeCommandError
syn match makeCmdNextLine "\\\n."he=e-1 contained
" some directives
syn match makeInclude "^ *[-s]\=include\s.*$"
syn match makeExport "^ *\(export\|unexport\)\>"
if get(b:, 'make_flavor', s:make_flavor) == 'gnu'
" Statements / Functions (GNU make)
syn match makePreCondit "^ *\(ifn\=\(eq\|def\)\>\|else\(\s\+ifn\=\(eq\|def\)\)\=\>\|endif\>\)"
syn match makeStatement "^ *vpath\>"
syn match makeOverride "^ *override\>"
syn match makeStatement contained "[({]\(abspath\|addprefix\|addsuffix\|and\|basename\|call\|dir\|error\|eval\|file\|filter-out\|filter\|findstring\|firstword\|flavor\|foreach\|guile\|if\|info\|intcmp\|join\|lastword\|let\|notdir\|or\|origin\|patsubst\|realpath\|shell\|sort\|strip\|subst\|suffix\|value\|warning\|wildcard\|word\|wordlist\|words\)\>"ms=s+1
endif
" Comment
if !exists("make_no_comments")
if get(b:, 'make_flavor', s:make_flavor) == 'microsoft'
syn match makeComment "#.*" contains=@Spell,makeTodo
else
syn region makeComment start="#" end="^$" end="[^\\]$" keepend contains=@Spell,makeTodo
syn match makeComment "#$" contains=@Spell
endif
endif
syn keyword makeTodo TODO FIXME XXX contained
" match escaped quotes and any other escaped character
" except for $, as a backslash in front of a $ does
" not make it a standard character, but instead it will
" still act as the beginning of a variable
" The escaped char is not highlightet currently
syn match makeEscapedChar "\\[^$]"
syn region makeDString start=+\(\\\)\@<!"+ skip=+\\.+ end=+"+ contained contains=makeIdent
syn region makeSString start=+\(\\\)\@<!'+ skip=+\\.+ end=+'+ contained contains=makeIdent
syn region makeBString start=+\(\\\)\@<!`+ skip=+\\.+ end=+`+ contains=makeIdent,makeSString,makeDString,makeNextLine
" Syncing
syn sync minlines=20 maxlines=200
" Sync on Make command block region: When searching backwards hits a line that
" can't be a command or a comment, use makeCommands if it looks like a target,
" NONE otherwise.
syn sync match makeCommandSync groupthere NONE "^[^\t#]"
syn sync match makeCommandSync groupthere makeCommands "^[A-Za-z0-9_./$()%-][A-Za-z0-9_./\t $()%-]*:\{1,2}[^:=]"
syn sync match makeCommandSync groupthere makeCommands "^[A-Za-z0-9_./$()%-][A-Za-z0-9_./\t $()%-]*:\{1,2}\s*$"
" Define the default highlighting.
" Only when an item doesn't have highlighting yet
hi def link makeNextLine makeSpecial
hi def link makeCmdNextLine makeSpecial
hi link makeOverride makeStatement
hi link makeExport makeStatement
hi def link makeSpecTarget Statement
if !exists("make_no_commands")
hi def link makeCommands Number
endif
hi def link makeImplicit Function
hi def link makeTarget Function
hi def link makeTargetinDefine Function
hi def link makeInclude Include
hi def link makePreCondit PreCondit
hi def link makeStatement Statement
hi def link makeIdent Identifier
hi def link makeSpecial Special
hi def link makeComment Comment
hi def link makeDString String
hi def link makeSString String
hi def link makeBString Function
hi def link makeError Error
hi def link makeTodo Todo
hi def link makeDefine Define
hi def link makeCommandError Error
hi def link makeConfig PreCondit
let b:current_syntax = "make"
let &cpo = s:cpo_save
unlet s:cpo_save
" vim: ts=8
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