127 lines
3.6 KiB
Ruby
127 lines
3.6 KiB
Ruby
# -*- 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 Apex < RegexLexer
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title "Apex"
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desc "The Apex programming language (provided by salesforce)"
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tag 'apex'
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filenames '*.cls'
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mimetypes 'text/x-apex'
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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 if goto
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instanceof new return switch this throw try while insert update
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delete
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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 protected
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public static super synchronized throws transient volatile with
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sharing without inherited virtual global testmethod
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)
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end
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def self.soql
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@soql ||= Set.new %w(
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SELECT FROM WHERE UPDATE LIKE TYPEOF END USING SCOPE WITH DATA
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CATEGORY GROUP BY ROLLUP CUBE HAVING ORDER BY ASC DESC NULLS FIRST
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LAST LIMIT OFFSET FOR VIEW REFERENCE UPDATE TRACKING VIEWSTAT OR AND
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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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String boolean byte char double float int long short var 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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id = /[a-z_][a-z0-9_]*/i
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state :root do
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rule %r/\s+/m, Text
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rule %r(//.*?$), Comment::Single
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rule %r(/\*.*?\*/)m, Comment::Multiline
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rule %r/(?:class|interface)\b/, Keyword::Declaration, :class
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rule %r/import\b/, Keyword::Namespace, :import
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rule %r/([@$.]?)(#{id})([:(]?)/io do |m|
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if self.class.keywords.include? m[0].downcase
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token Keyword
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elsif self.class.soql.include? m[0].upcase
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token Keyword
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elsif self.class.declarations.include? m[0].downcase
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token Keyword::Declaration
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elsif self.class.types.include? m[0].downcase
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token Keyword::Type
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elsif self.class.constants.include? m[0].downcase
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token Keyword::Constant
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elsif 'package'.casecmp m[0]
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token Keyword::Namespace
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elsif m[1] == "@"
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token Name::Decorator
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elsif m[3] == ":"
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groups Operator, Name::Label, Punctuation
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elsif m[3] == "("
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groups Operator, Name::Function, Punctuation
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elsif m[1] == "."
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groups Operator, Name::Property, Punctuation
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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/"/, Str::Double, :dq
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rule %r/'/, Str::Single, :sq
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digit = /[0-9]_+[0-9]|[0-9]/
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rule %r/#{digit}+\.#{digit}+([eE]#{digit}+)?[fd]?/, Num::Float
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rule %r/0b(?:[01]_+[01]|[01])+/i, Num::Bin
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rule %r/0x(?:\h_+\h|\h)+/i, Num::Hex
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rule %r/0(?:[0-7]_+[0-7]|[0-7])+/, Num::Oct
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rule %r/#{digit}+L?/, Num::Integer
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rule %r/[-+\/*~^!%&<>|=.?]/, Operator
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rule %r/[\[\](){},:;]/, Punctuation;
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end
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state :class do
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rule %r/\s+/m, Text
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rule id, Name::Class, :pop!
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end
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state :import do
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rule %r/\s+/m, Text
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rule %r/[a-z0-9_.]+\*?/i, Name::Namespace, :pop!
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end
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state :escape do
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rule %r/\\[btnfr\\"']/, Str::Escape
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end
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state :dq do
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mixin :escape
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rule %r/[^\\"]+/, Str::Double
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rule %r/"/, Str::Double, :pop!
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end
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state :sq do
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mixin :escape
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rule %r/[^\\']+/, Str::Double
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rule %r/'/, Str::Double, :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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