filetype: makefile

detect: 
    filename: "([Mm]akefile|\\.ma?k)$"
    header: "^#!.*/(env +)?[bg]?make( |$)"

rules:
    - preproc: "\\b(ifeq|ifdef|ifneq|ifndef|else|endif)\\b"
    - preproc: "^(export|include|override)\\b"
    - symbol.operator: "^[^:=	]+:"
    - symbol.operator: "[=,%]|\\+=|\\?=|:=|&&|\\|\\|"
    - statement: "\\$\\((abspath|addprefix|addsuffix|and|basename|call|dir)[[:space:]]"
    - statement: "\\$\\((error|eval|filter|filter-out|findstring|firstword)[[:space:]]"
    - statement: "\\$\\((flavor|foreach|if|info|join|lastword|notdir|or)[[:space:]]"
    - statement: "\\$\\((origin|patsubst|realpath|shell|sort|strip|suffix)[[:space:]]"
    - statement: "\\$\\((value|warning|wildcard|word|wordlist|words)[[:space:]]"
    - identifier: "^.+:"
    - identifier: "[()$]"
    - constant.string: "\"(\\\\.|[^\"])*\"|'(\\\\.|[^'])*'"
    - identifier: "\\$+(\\{[^} ]+\\}|\\([^) ]+\\))"
    - identifier: "\\$[@^<*?%|+]|\\$\\([@^<*?%+-][DF]\\)"
    - identifier: "\\$\\$|\\\\.?"
    - comment: "(^|[[:space:]])#([^{].*)?$"
    - comment: "^	@#.*"