" Vim syntax file
" Language: Makefile
" Maintainer: Roland Hieber ,
" Previous Maintainer: Claudio Fleiner
" URL: https://github.com/vim/vim/blob/master/runtime/syntax/make.vim
" Last Change: 2020 May 03
" quit when a syntax file was already loaded
if exists("b:current_syntax")
finish
endif
let s:cpo_save = &cpo
set cpo&vim
" 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*\(#.*\)\?$"
\ contains=makeStatement,makeIdent,makePreCondit,makeDefine
" Microsoft Makefile specials
syn case ignore
syn match makeInclude "^!\s*include\s.*$"
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
" identifiers
syn region makeIdent start="\$(" skip="\\)\|\\\\" end=")" contains=makeStatement,makeIdent
syn region makeIdent start="\${" skip="\\}\|\\\\" end="}" contains=makeStatement,makeIdent
syn match makeIdent "\$\$\w*"
syn match makeIdent "\$[^({]"
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 "%"
" Makefile.in variables
syn match makeConfig "@[A-Za-z0-9_]\+@"
" make targets
syn match makeImplicit "^\.[A-Za-z0-9_./\t -]\+\s*:$"me=e-1
syn match makeImplicit "^\.[A-Za-z0-9_./\t -]\+\s*:[^=]"me=e-2
syn region makeTarget transparent matchgroup=makeTarget
\ start="^[~A-Za-z0-9_./$()%-][A-Za-z0-9_./\t $()%-]*:\{1,2}[^:=]"rs=e-1
\ end=";"re=e-1,me=e-1 end="[^\\]$"
\ 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="^\.\(SUFFIXES\|PHONY\|DEFAULT\|PRECIOUS\|IGNORE\|SILENT\|EXPORT_ALL_VARIABLES\|KEEP_STATE\|LIBPATTERNS\|NOTPARALLEL\|DELETE_ON_ERROR\|INTERMEDIATE\|POSIX\|SECONDARY\)\>\s*:\{1,2}[^:=]"rs=e-1
\ end="[^\\]$" keepend
\ contains=makeIdent,makeSpecTarget,makeNextLine,makeComment skipnl nextGroup=makeCommands
syn match makeSpecTarget "^\.\(SUFFIXES\|PHONY\|DEFAULT\|PRECIOUS\|IGNORE\|SILENT\|EXPORT_ALL_VARIABLES\|KEEP_STATE\|LIBPATTERNS\|NOTPARALLEL\|DELETE_ON_ERROR\|INTERMEDIATE\|POSIX\|SECONDARY\)\>\s*::\=\s*$"
\ contains=makeIdent,makeComment
\ skipnl nextgroup=makeCommands,makeCommandError
syn match makeCommandError "^\s\+\S.*" contained
syn region makeCommands contained start=";"hs=s+1 start="^\t"
\ end="^[^\t#]"me=e-1,re=e-1 end="^$"
\ contains=makeCmdNextLine,makeSpecial,makeComment,makeIdent,makePreCondit,makeDefine,makeDString,makeSString
\ nextgroup=makeCommandError
syn match makeCmdNextLine "\\\n."he=e-1 contained
" some directives
syn match makePreCondit "^ *\(ifn\=\(eq\|def\)\>\|else\(\s\+ifn\=\(eq\|def\)\)\=\>\|endif\>\)"
syn match makeInclude "^ *[-s]\=include\s.*$"
syn match makeStatement "^ *vpath"
syn match makeExport "^ *\(export\|unexport\)\>"
syn match makeOverride "^ *override\>"
" Statements / Functions (GNU make)
syn match makeStatement contained "(\(abspath\|addprefix\|addsuffix\|and\|basename\|call\|dir\|error\|eval\|file\|filter-out\|filter\|findstring\|firstword\|flavor\|foreach\|guile\|if\|info\|join\|lastword\|notdir\|or\|origin\|patsubst\|realpath\|shell\|sort\|strip\|subst\|suffix\|value\|warning\|wildcard\|word\|wordlist\|words\)\>"ms=s+1
" Comment
if exists("make_microsoft")
syn match makeComment "#.*" contains=@Spell,makeTodo
elseif !exists("make_no_comments")
syn region makeComment start="#" end="^$" end="[^\\]$" keepend contains=@Spell,makeTodo
syn match makeComment "#$" contains=@Spell
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=+\(\\\)\@