136 lines
3.5 KiB
Ruby
136 lines
3.5 KiB
Ruby
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# -*- coding: utf-8 -*- #
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# frozen_string_literal: true
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module Rouge
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module Lexers
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class Make < RegexLexer
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title "Make"
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desc "Makefile syntax"
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tag 'make'
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aliases 'makefile', 'mf', 'gnumake', 'bsdmake'
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filenames '*.make', '*.mak', '*.mk', 'Makefile', 'makefile', 'Makefile.*', 'GNUmakefile', '*,fe1'
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mimetypes 'text/x-makefile'
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def self.functions
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@functions ||= %w(
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abspath addprefix addsuffix and basename call dir error eval file
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filter filter-out findstring firstword flavor foreach if join lastword
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notdir or origin patsubst realpath shell sort strip subst suffix value
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warning wildcard word wordlist words
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)
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end
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# TODO: Add support for special keywords
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# bsd_special = %w(
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# include undef error warning if else elif endif for endfor
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# )
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def initialize(opts={})
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super
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@shell = Shell.new(opts)
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end
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start { @shell.reset! }
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state :root do
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rule %r/\s+/, Text
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rule %r/#.*?\n/, Comment
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rule %r/([-s]?include)((?:[\t ]+[^\t\n #]+)+)/ do
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groups Keyword, Literal::String::Other
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end
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rule %r/(ifn?def|ifn?eq)([\t ]+)([^#\n]+)/ do
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groups Keyword, Text, Name::Variable
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end
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rule %r/(?:else|endif)[\t ]*(?=[#\n])/, Keyword
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rule %r/(export)([\t ]+)(?=[\w\${}()\t -]+\n)/ do
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groups Keyword, Text
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push :export
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end
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rule %r/export[\t ]+/, Keyword
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# assignment
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rule %r/([\w${}().-]+)([\t ]*)([!?:+]?=)/m do |m|
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token Name::Variable, m[1]
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token Text, m[2]
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token Operator, m[3]
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push :shell_line
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end
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rule %r/"(\\\\|\\.|[^"\\])*"/, Str::Double
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rule %r/'(\\\\|\\.|[^'\\])*'/, Str::Single
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rule %r/([^\n:]+)(:+)([ \t]*)/ do
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groups Name::Label, Operator, Text
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push :block_header
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end
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end
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state :export do
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rule %r/[\w\${}()-]/, Name::Variable
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rule %r/\n/, Text, :pop!
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rule %r/[\t ]+/, Text
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end
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state :block_header do
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rule %r/[^,\\\n#]+/, Name::Function
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rule %r/,/, Punctuation
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rule %r/#.*?/, Comment
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rule %r/\\\n/, Text
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rule %r/\\./, Text
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rule %r/\n/ do
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token Text
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goto :block_body
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end
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end
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state :block_body do
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rule %r/(ifn?def|ifn?eq)([\t ]+)([^#\n]+)(#.*)?(\n)/ do
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groups Keyword, Text, Name::Variable, Comment, Text
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end
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rule %r/(else|endif)([\t ]*)(#.*)?(\n)/ do
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groups Keyword, Text, Comment, Text
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end
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rule %r/(\t[\t ]*)([@-]?)/ do
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groups Text, Punctuation
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push :shell_line
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end
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rule(//) { @shell.reset!; pop! }
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end
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state :shell do
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# macro interpolation
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rule %r/\$[({][\t ]*\w[\w:=%.]*[\t ]*[)}]/i, Name::Variable
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# function invocation
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rule %r/(\$[({])([\t ]*)(#{Make.functions.join('|')})([\t ]+)/m do
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groups Name::Function, Text, Name::Builtin, Text
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push :shell_expr
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end
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rule(/\\./m) { delegate @shell }
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stop = /\$\(|\$\{|\(|\)|\}|\\|$/
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rule(/.+?(?=#{stop})/m) { delegate @shell }
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rule(stop) { delegate @shell }
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end
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state :shell_expr do
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rule(/[({]/) { delegate @shell; push }
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rule %r/[)}]/, Name::Function, :pop!
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mixin :shell
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end
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state :shell_line do
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rule %r/\n/, Text, :pop!
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mixin :shell
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end
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end
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end
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end
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