lexers: switch to tabs for indentation

1 files changed, 31 insertions, 31 deletions

diff --git a/lua/lexers/logtalk.lua b/lua/lexers/logtalk.lua
index ffa7595..a4272f8 100644
--- a/lua/lexers/logtalk.lua
+++ b/lua/lexers/logtalk.lua
@@ -9,53 +9,53 @@ local lex = lexer.new('logtalk', {inherit = lexer.load('prolog')})
 
 -- add logtalk keywords to prolog ones
 local directives = {
-  'set_logtalk_flag', 'object', 'info', 'built_in', 'threaded', 'uses', 'alias', 'use_module',
-  'coinductive', 'export', 'reexport', 'public', 'metapredicate', 'mode', 'meta_non_terminal',
-  'protected', 'synchronized', 'private', 'module', 'if', 'elif', 'else', 'endif', 'category',
-  'protocol', 'end_object', 'end_category', 'end_protocol', 'meta_predicate'
+	'set_logtalk_flag', 'object', 'info', 'built_in', 'threaded', 'uses', 'alias', 'use_module',
+	'coinductive', 'export', 'reexport', 'public', 'metapredicate', 'mode', 'meta_non_terminal',
+	'protected', 'synchronized', 'private', 'module', 'if', 'elif', 'else', 'endif', 'category',
+	'protocol', 'end_object', 'end_category', 'end_protocol', 'meta_predicate'
 }
 local indent = token(lexer.WHITESPACE, lexer.starts_line(S(' \t')^1))^-1
 lex:modify_rule('directive',
-  (indent * token(lexer.OPERATOR, ':-') * token(lexer.WHITESPACE, S(' \t')^0) *
-    token(lexer.PREPROCESSOR, word_match(directives))
+	(indent * token(lexer.OPERATOR, ':-') * token(lexer.WHITESPACE, S(' \t')^0) *
+		token(lexer.PREPROCESSOR, word_match(directives))
 ) + lex:get_rule('directive'))
 
 -- Whitespace.
 lex:modify_rule('whitespace', token(lexer.WHITESPACE, lexer.space^1))
 
 local zero_arity_keywords = {
-  -- extracted from test document in logtalk distribution
-  'comment', 'argnames', 'arguments', 'author', 'version', 'date', 'parameters', 'parnames',
-  'copyright', 'license', 'remarks', 'see_also', 'as', 'logtalk_make', 'instantiation_error',
-  'system_error'
+	-- extracted from test document in logtalk distribution
+	'comment', 'argnames', 'arguments', 'author', 'version', 'date', 'parameters', 'parnames',
+	'copyright', 'license', 'remarks', 'see_also', 'as', 'logtalk_make', 'instantiation_error',
+	'system_error'
 }
 local one_plus_arity_keywords = {
-  -- extracted from test document in logtalk distribution
-  'implements', 'imports', 'extends', 'instantiates', 'specializes', 'number_chars', 'number_code',
-  'current_category', 'current_object', 'current_protocol', 'create_category', 'create_object',
-  'create_protocol', 'abolish_category', 'abolish_object', 'abolish_protocol', 'category_property',
-  'object_property', 'protocol_property', 'extends_category', 'extends_object', 'extends_protocol',
-  'implements_protocol', 'imports_category', 'instantiates_class', 'specializes_class',
-  'complements_object', 'conforms_to_protocol', 'abolish_events', 'current_event', 'define_events',
-  'threaded', 'threaded_call', 'threaded_call', 'threaded_once', 'threaded_ignore', 'threaded_exit',
-  'threaded_peek', 'threaded_cancel', 'threaded_wait', 'threaded_notify', 'threaded_engine',
-  'threaded_engine_create', 'threaded_engine_destroy', 'threaded_engine_self',
-  'threaded_engine_next', 'threaded_engine_next_reified', 'threaded_engine_yield',
-  'threaded_engine_post', 'threaded_engine_fetch', 'logtalk_compile', 'logtalk_load',
-  'logtalk_library_path', 'logtalk_load_context', 'logtalk_make_target_action',
-  'current_logtalk_flag', 'set_logtalk_flag', 'create_logtalk_flag', 'context', 'parameter', 'self',
-  'sender', 'this', 'type_error', 'domain_error', 'existence_error', 'permission_error',
-  'representation_error', 'evaluation_error', 'resource_error', 'syntax_error', 'bagof', 'findall',
-  'forall', 'setof', 'before', 'after', 'forward', 'phrase', 'expand_term', 'expand_goal',
-  'term_expansion', 'goal_expansion', 'numbervars', 'put_code', 'put_byte', 'current_op', 'op',
-  'ignore', 'repeat', 'number_codes', 'current_prolog_flag', 'set_prolog_flag', 'keysort', 'sort'
+	-- extracted from test document in logtalk distribution
+	'implements', 'imports', 'extends', 'instantiates', 'specializes', 'number_chars', 'number_code',
+	'current_category', 'current_object', 'current_protocol', 'create_category', 'create_object',
+	'create_protocol', 'abolish_category', 'abolish_object', 'abolish_protocol', 'category_property',
+	'object_property', 'protocol_property', 'extends_category', 'extends_object', 'extends_protocol',
+	'implements_protocol', 'imports_category', 'instantiates_class', 'specializes_class',
+	'complements_object', 'conforms_to_protocol', 'abolish_events', 'current_event', 'define_events',
+	'threaded', 'threaded_call', 'threaded_call', 'threaded_once', 'threaded_ignore', 'threaded_exit',
+	'threaded_peek', 'threaded_cancel', 'threaded_wait', 'threaded_notify', 'threaded_engine',
+	'threaded_engine_create', 'threaded_engine_destroy', 'threaded_engine_self',
+	'threaded_engine_next', 'threaded_engine_next_reified', 'threaded_engine_yield',
+	'threaded_engine_post', 'threaded_engine_fetch', 'logtalk_compile', 'logtalk_load',
+	'logtalk_library_path', 'logtalk_load_context', 'logtalk_make_target_action',
+	'current_logtalk_flag', 'set_logtalk_flag', 'create_logtalk_flag', 'context', 'parameter', 'self',
+	'sender', 'this', 'type_error', 'domain_error', 'existence_error', 'permission_error',
+	'representation_error', 'evaluation_error', 'resource_error', 'syntax_error', 'bagof', 'findall',
+	'forall', 'setof', 'before', 'after', 'forward', 'phrase', 'expand_term', 'expand_goal',
+	'term_expansion', 'goal_expansion', 'numbervars', 'put_code', 'put_byte', 'current_op', 'op',
+	'ignore', 'repeat', 'number_codes', 'current_prolog_flag', 'set_prolog_flag', 'keysort', 'sort'
 }
 local keyword = word_match(zero_arity_keywords) + (word_match(one_plus_arity_keywords) * #P('('))
 lex:modify_rule('keyword', token(lexer.KEYWORD, keyword) + lex:get_rule('keyword'))
 
 local operators = {
-  -- extracted from test document in logtalk distribution
-  'as'
+	-- extracted from test document in logtalk distribution
+	'as'
 }
 lex:modify_rule('operator', token(lexer.OPERATOR, word_match(operators)) + lex:get_rule('operator'))