rf-web/vendor/bundle/gems/rouge-3.12.0/lib/rouge/lexers/cfscript.rb

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2019-10-21 08:18:17 +00:00
# -*- coding: utf-8 -*- #
# frozen_string_literal: true
module Rouge
module Lexers
class Cfscript < RegexLexer
title "CFScript"
desc 'CFScript, the CFML scripting language'
tag 'cfscript'
aliases 'cfc'
filenames '*.cfc'
def self.keywords
@keywords ||= %w(
if else var xml default break switch do try catch throw in continue for return while required
)
end
def self.declarations
@declarations ||= %w(
component property function remote public package private
)
end
def self.types
@types ||= %w(
any array binary boolean component date guid numeric query string struct uuid void xml
)
end
constants = %w(application session client cookie super this variables arguments cgi)
operators = %w(\+\+ -- && \|\| <= >= < > == != mod eq lt gt lte gte not is and or xor eqv imp equal contains \? )
dotted_id = /[$a-zA-Z_][a-zA-Z0-9_.]*/
state :root do
mixin :comments_and_whitespace
rule %r/(?:#{operators.join('|')}|does not contain|greater than(?: or equal to)?|less than(?: or equal to)?)\b/i, Operator, :expr_start
rule %r([-<>+*%&|\^/!=]=?), Operator, :expr_start
rule %r/[(\[,]/, Punctuation, :expr_start
rule %r/;/, Punctuation, :statement
rule %r/[)\].]/, Punctuation
rule %r/[?]/ do
token Punctuation
push :ternary
push :expr_start
end
rule %r/[{}]/, Punctuation, :statement
rule %r/(?:#{constants.join('|')})\b/, Name::Constant
rule %r/(?:true|false|null)\b/, Keyword::Constant
rule %r/import\b/, Keyword::Namespace, :import
rule %r/(#{dotted_id})(\s*)(:)(\s*)/ do
groups Name, Text, Punctuation, Text
push :expr_start
end
rule %r/([A-Za-z_$][\w.]*)(\s*)(\()/ do |m|
if self.class.keywords.include? m[1]
token Keyword, m[1]
token Text, m[2]
token Punctuation, m[3]
else
token Name::Function, m[1]
token Text, m[2]
token Punctuation, m[3]
end
end
rule dotted_id do |m|
if self.class.declarations.include? m[0]
token Keyword::Declaration
push :expr_start
elsif self.class.keywords.include? m[0]
token Keyword
push :expr_start
elsif self.class.types.include? m[0]
token Keyword::Type
push :expr_start
else
token Name::Other
end
end
rule %r/[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?/, Num::Float
rule %r/0x[0-9a-fA-F]+/, Num::Hex
rule %r/[0-9]+/, Num::Integer
rule %r/"(\\\\|\\"|[^"])*"/, Str::Double
rule %r/'(\\\\|\\'|[^'])*'/, Str::Single
end
# same as java, broken out
state :comments_and_whitespace do
rule %r/\s+/, Text
rule %r(//.*?$), Comment::Single
rule %r(/\*.*?\*/)m, Comment::Multiline
end
state :expr_start do
mixin :comments_and_whitespace
rule %r/[{]/, Punctuation, :object
rule %r//, Text, :pop!
end
state :statement do
rule %r/[{}]/, Punctuation
mixin :expr_start
end
# object literals
state :object do
mixin :comments_and_whitespace
rule %r/[}]/ do
token Punctuation
push :expr_start
end
rule %r/(#{dotted_id})(\s*)(:)/ do
groups Name::Other, Text, Punctuation
push :expr_start
end
rule %r/:/, Punctuation
mixin :root
end
# ternary expressions, where <dotted_id>: is not a label!
state :ternary do
rule %r/:/ do
token Punctuation
goto :expr_start
end
mixin :root
end
state :import do
rule %r/\s+/m, Text
rule %r/[a-z0-9_.]+\*?/i, Name::Namespace, :pop!
end
end
end
end