source: node_modules/prismjs/components/prism-makefile.js@ d24f17c

Prism.languages.makefile = {
        'comment': {
                pattern: /(^|[^\\])#(?:\\(?:\r\n|[\s\S])|[^\\\r\n])*/,
                lookbehind: true
        },
        'string': {
                pattern: /(["'])(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
                greedy: true
        },

        'builtin-target': {
                pattern: /\.[A-Z][^:#=\s]+(?=\s*:(?!=))/,
                alias: 'builtin'
        },

        'target': {
                pattern: /^(?:[^:=\s]|[ \t]+(?![\s:]))+(?=\s*:(?!=))/m,
                alias: 'symbol',
                inside: {
                        'variable': /\$+(?:(?!\$)[^(){}:#=\s]+|(?=[({]))/
                }
        },
        'variable': /\$+(?:(?!\$)[^(){}:#=\s]+|\([@*%<^+?][DF]\)|(?=[({]))/,

        // Directives
        'keyword': /-include\b|\b(?:define|else|endef|endif|export|ifn?def|ifn?eq|include|override|private|sinclude|undefine|unexport|vpath)\b/,

        'function': {
                pattern: /(\()(?:abspath|addsuffix|and|basename|call|dir|error|eval|file|filter(?:-out)?|findstring|firstword|flavor|foreach|guile|if|info|join|lastword|load|notdir|or|origin|patsubst|realpath|shell|sort|strip|subst|suffix|value|warning|wildcard|word(?:list|s)?)(?=[ \t])/,
                lookbehind: true
        },
        'operator': /(?:::|[?:+!])?=|[|@]/,
        'punctuation': /[:;(){}]/
};