73 lines
1.7 KiB
Ruby
73 lines
1.7 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 Matlab < RegexLexer
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title "MATLAB"
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desc "Matlab"
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tag 'matlab'
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aliases 'm'
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filenames '*.m'
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mimetypes 'text/x-matlab', 'application/x-matlab'
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def self.keywords
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@keywords = Set.new %w(
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break case catch classdef continue else elseif end for function
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global if otherwise parfor persistent return spmd switch try while
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)
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end
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def self.builtins
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load Pathname.new(__FILE__).dirname.join('matlab/builtins.rb')
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self.builtins
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end
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state :root do
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rule /\s+/m, Text # Whitespace
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rule %r([{]%.*?%[}])m, Comment::Multiline
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rule /%.*$/, Comment::Single
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rule /([.][.][.])(.*?)$/ do
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groups(Keyword, Comment)
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end
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rule /^(!)(.*?)(?=%|$)/ do |m|
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token Keyword, m[1]
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delegate Shell, m[2]
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end
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rule /[a-zA-Z][_a-zA-Z0-9]*/m do |m|
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match = m[0]
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if self.class.keywords.include? match
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token Keyword
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elsif self.class.builtins.include? match
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token Name::Builtin
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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{[(){};:,\/\\\]\[]}, Punctuation
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rule /~=|==|<<|>>|[-~+\/*%=<>&^|.@]/, Operator
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rule /(\d+\.\d*|\d*\.\d+)(e[+-]?[0-9]+)?/i, Num::Float
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rule /\d+e[+-]?[0-9]+/i, Num::Float
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rule /\d+L/, Num::Integer::Long
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rule /\d+/, Num::Integer
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rule /'(?=(.*'))/, Str::Single, :string
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rule /'/, Operator
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end
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state :string do
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rule /[^']+/, Str::Single
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rule /''/, Str::Escape
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rule /'/, Str::Single, :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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