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Contents
# -*- coding: utf-8 -*- #
module Rouge
module Lexers
class Matlab < RegexLexer
title "MATLAB"
desc "Matlab"
tag 'matlab'
aliases 'm'
filenames '*.m'
mimetypes 'text/x-matlab', 'application/x-matlab'
def self.analyze_text(text)
return 0.4 if text.match(/^\s*% /) # % comments are a dead giveaway
end
def self.keywords
@keywords = Set.new %w(
break case catch classdef continue else elseif end for function
global if otherwise parfor persistent return spmd switch try while
)
end
def self.builtins
load Pathname.new(__FILE__).dirname.join('matlab/builtins.rb')
self.builtins
end
state :root do
rule /\s+/m, Text # Whitespace
rule %r([{]%.*?%[}])m, Comment::Multiline
rule /%.*$/, Comment::Single
rule /([.][.][.])(.*?)$/ do
groups(Keyword, Comment)
end
rule /^(!)(.*?)(?=%|$)/ do |m|
token Keyword, m[1]
delegate Shell, m[2]
end
rule /[a-zA-Z][_a-zA-Z0-9]*/m do |m|
match = m[0]
if self.class.keywords.include? match
token Keyword
elsif self.class.builtins.include? match
token Name::Builtin
else
token Name
end
end
rule %r{[(){};:,\/\\\]\[]}, Punctuation
rule /~=|==|<<|>>|[-~+\/*%=<>&^|.@]/, Operator
rule /(\d+\.\d*|\d*\.\d+)(e[+-]?[0-9]+)?/i, Num::Float
rule /\d+e[+-]?[0-9]+/i, Num::Float
rule /\d+L/, Num::Integer::Long
rule /\d+/, Num::Integer
rule /'(?=(.*'))/, Str::Single, :string
rule /'/, Operator
end
state :string do
rule /[^']+/, Str::Single
rule /''/, Str::Escape
rule /'/, Str::Single, :pop!
end
end
end
end
Version data entries
15 entries across 14 versions & 2 rubygems