Added optional Lua lexer support.

This support is disabled by default and must be enabled via compile-time option.

1 files changed, 54 insertions, 0 deletions

diff --git a/lexlua/rails.lua b/lexlua/rails.lua
new file mode 100644
index 000000000..8d324acd7
--- /dev/null
+++ b/lexlua/rails.lua
@@ -0,0 +1,54 @@
+-- Copyright 2006-2018 Mitchell mitchell.att.foicica.com. See License.txt.
+-- Ruby on Rails LPeg lexer.
+
+local lexer = require('lexer')
+local token, word_match = lexer.token, lexer.word_match
+local P, R, S = lpeg.P, lpeg.R, lpeg.S
+
+local lex = lexer.new('rails', {inherit = lexer.load('ruby')})
+
+-- Whitespace
+lex:modify_rule('whitespace', token(lexer.WHITESPACE, lexer.space^1))
+
+-- Functions.
+
+-- ActionPack.
+lex:modify_rule('function', token(lexer.FUNCTION, word_match[[
+  before_filter skip_before_filter skip_after_filter after_filter around_filter
+  filter filter_parameter_logging layout require_dependency render render_action
+  render_text render_file render_template render_nothing render_component
+  render_without_layout rescue_from url_for redirect_to redirect_to_path
+  redirect_to_url respond_to helper helper_method model service observer
+  serialize scaffold verify hide_action
+]]) +
+
+-- View helpers.
+token(lexer.FUNCTION, word_match[[
+  check_box content_for error_messages_for form_for fields_for file_field
+  hidden_field image_submit_tag label link_to password_field radio_button submit
+  text_field text_area
+]]) +
+
+-- ActiveRecord
+token(lexer.FUNCTION, word_match[[
+  after_create after_destroy after_save after_update after_validation
+  after_validation_on_create after_validation_on_update before_create
+  before_destroy before_save before_update before_validation
+  before_validation_on_create before_validation_on_update composed_of belongs_to
+  has_one has_many has_and_belongs_to_many validate validates validate_on_create
+  validates_numericality_of validate_on_update validates_acceptance_of
+  validates_associated validates_confirmation_of validates_each
+  validates_format_of validates_inclusion_of validates_exclusion_of
+  validates_length_of validates_presence_of validates_size_of
+  validates_uniqueness_of
+  attr_protected attr_accessible attr_readonly accepts_nested_attributes_for
+  default_scope scope
+]]) +
+
+-- ActiveSupport
+token(lexer.FUNCTION, word_match[[
+  alias_method_chain alias_attribute delegate cattr_accessor mattr_accessor
+  returning memoize
+]]) + lex:get_rule('function'))
+
+return lex