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-- Copyright © 2017-2019 Michael T. Richter <ttmrichter@gmail.com>. See License.txt.
-- Logtalk 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('logtalk', {inherit = lexer.load('prolog')})
-- Add logtalk keywords to the prolog ones.
lex:modify_rule('keyword', token(lexer.KEYWORD, word_match[[
-- Logtalk "keywords" generated from Vim syntax highlighting file with Prolog
-- keywords stripped since were building up on the Prolog lexer.
abolish_category abolish_events abolish_object abolish_protocol after alias as
before built_in calls category category_property coinductive complements
complements_object conforms_to_protocol context create_category create_object
create_protocol create_logtalk_flag current current_category current_event
current_logtalk_flag current_object current_protocol define_events domain_error
encoding end_category end_class end_object end_protocol evaluation_error
existence_error extends extends_category extends_object extends_protocol forward
implements implements_protocol imports imports_category include info instantiates
instantiates_class instantiation_error is logtalk_compile logtalk_library_path
logtalk_load logtalk_load_context logtalk_make logtalk_make_target_action
meta_non_terminal mode object object_property parameter permission_error private
protected protocol_property representation_error resource_error self sender
set_logtalk_flag specializes specializes_class synchronized syntax_error
system_error this threaded threaded_call threaded_cancel threaded_engine
threaded_engine_create threaded_engine_destroy threaded_engine_fetch
threaded_engine_next threaded_engine_next_reified threaded_engine_post
threaded_engine_self threaded_engine_yield threaded_exit threaded_ignore
threaded_notify threaded_once threaded_peek threaded_wait type_error uses
-- info/1 and info/2 predicates have their own keywords manually extracted
-- from documentation.
comment argnames arguments author version date parameters parnames copyright
license remarks see_also
]]) + lex:get_rule('keyword'))
return lex
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