114 lines
3.2 KiB
Ruby
114 lines
3.2 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 Groovy < RegexLexer
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title "Groovy"
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desc 'The Groovy programming language (http://www.groovy-lang.org/)'
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tag 'groovy'
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filenames '*.groovy', 'Jenkinsfile'
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mimetypes 'text/x-groovy'
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ws = %r((?:\s|//.*?\n|/[*].*?[*]/)+)
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def self.detect?(text)
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return true if text.shebang?(/groovy/)
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end
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def self.keywords
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@keywords ||= Set.new %w(
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assert break case catch continue default do else finally for
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if goto instanceof new return switch this throw try while in as
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)
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end
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def self.declarations
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@declarations ||= Set.new %w(
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abstract const enum extends final implements native private
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protected public static strictfp super synchronized throws
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transient volatile
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)
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end
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def self.types
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@types ||= Set.new %w(
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def boolean byte char double float int long short void
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)
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end
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def self.constants
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@constants ||= Set.new %w(true false null)
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end
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state :root do
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rule %r(^
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(\s*(?:\w[\w\d.\[\]]*\s+)+?) # return arguments
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(\w[\w\d]*) # method name
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(\s*) (\() # signature start
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)x do |m|
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delegate self.clone, m[1]
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token Name::Function, m[2]
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token Text, m[3]
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token Operator, m[4]
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end
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# whitespace
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rule /[^\S\n]+/, Text
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rule %r(//.*?$), Comment::Single
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rule %r(/[*].*?[*]/)m, Comment::Multiline
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rule /@\w[\w\d.]*/, Name::Decorator
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rule /(class|interface|trait)\b/, Keyword::Declaration, :class
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rule /package\b/, Keyword::Namespace, :import
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rule /import\b/, Keyword::Namespace, :import
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# TODO: highlight backslash escapes
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rule /""".*?"""/m, Str::Double
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rule /'''.*?'''/m, Str::Single
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rule /"(\\.|\\\n|.)*?"/, Str::Double
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rule /'(\\.|\\\n|.)*?'/, Str::Single
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rule %r(\$/(\$.|.)*?/\$)m, Str
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rule %r(/(\\.|\\\n|.)*?/), Str
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rule /'\\.'|'[^\\]'|'\\u[0-9a-f]{4}'/, Str::Char
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rule /(\.)([a-zA-Z_][a-zA-Z0-9_]*)/ do
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groups Operator, Name::Attribute
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end
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rule /[a-zA-Z_][a-zA-Z0-9_]*:/, Name::Label
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rule /[a-zA-Z_\$][a-zA-Z0-9_]*/ do |m|
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if self.class.keywords.include? m[0]
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token Keyword
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elsif self.class.declarations.include? m[0]
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token Keyword::Declaration
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elsif self.class.types.include? m[0]
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token Keyword::Type
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elsif self.class.constants.include? m[0]
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token Keyword::Constant
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else
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token Name
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end
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end
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rule %r([~^*!%&\[\](){}<>\|+=:;,./?-]), Operator
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# numbers
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rule /\d+\.\d+([eE]\d+)?[fd]?/, Num::Float
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rule /0x[0-9a-f]+/, Num::Hex
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rule /[0-9]+L?/, Num::Integer
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rule /\n/, Text
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end
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state :class do
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rule /\s+/, Text
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rule /\w[\w\d]*/, Name::Class, :pop!
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end
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state :import do
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rule /\s+/, Text
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rule /[\w\d.]+[*]?/, Name::Namespace, :pop!
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end
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end
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end
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end
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