aboutsummaryrefslogtreecommitdiff
path: root/lua/lexers/bibtex.lua
diff options
context:
space:
mode:
Diffstat (limited to 'lua/lexers/bibtex.lua')
-rw-r--r--lua/lexers/bibtex.lua48
1 files changed, 25 insertions, 23 deletions
diff --git a/lua/lexers/bibtex.lua b/lua/lexers/bibtex.lua
index 06795e6..d9cf0d4 100644
--- a/lua/lexers/bibtex.lua
+++ b/lua/lexers/bibtex.lua
@@ -1,46 +1,48 @@
--- Copyright 2006-2022 Mitchell. See LICENSE.
+-- Copyright 2006-2024 Mitchell. See LICENSE.
-- Bibtex LPeg lexer.
-local lexer = require('lexer')
-local token, word_match = lexer.token, lexer.word_match
+local lexer = lexer
local P, S = lpeg.P, lpeg.S
-local lex = lexer.new('bibtex')
-
--- Whitespace.
-local ws = token(lexer.WHITESPACE, lexer.space^1)
+local lex = lexer.new(...)
-- Fields.
-lex:add_rule('field', token('field', word_match{
- 'author', 'title', 'journal', 'year', 'volume', 'number', 'pages', 'month', 'note', 'key',
- 'publisher', 'editor', 'series', 'address', 'edition', 'howpublished', 'booktitle',
- 'organization', 'chapter', 'school', 'institution', 'type', 'isbn', 'issn', 'affiliation',
- 'issue', 'keyword', 'url'
-}))
-lex:add_style('field', lexer.styles.constant)
+lex:add_rule('field', lex:tag(lexer.VARIABLE_BUILTIN, lex:word_match(lexer.VARIABLE_BUILTIN, true)))
-- Identifiers.
-lex:add_rule('identifier', token(lexer.IDENTIFIER, lexer.word))
+lex:add_rule('identifier', lex:tag(lexer.IDENTIFIER, lexer.word))
-- Strings.
local dq_str = lexer.range('"')
local br_str = lexer.range('{', '}', false, false, true)
-lex:add_rule('string', token(lexer.STRING, dq_str + br_str))
+lex:add_rule('string', lex:tag(lexer.STRING, dq_str + br_str))
-- Operators.
-lex:add_rule('operator', token(lexer.OPERATOR, S(',=')))
+lex:add_rule('operator', lex:tag(lexer.OPERATOR, S(',=')))
-- Embedded in Latex.
local latex = lexer.load('latex')
-- Embedded Bibtex.
-local entry = token('entry', '@' * word_match({
+local entry = lex:tag(lexer.PREPROCESSOR, '@' * lex:word_match('entry', true))
+local bibtex_start_rule = entry * lex:get_rule('whitespace')^0 * lex:tag(lexer.OPERATOR, '{')
+local bibtex_end_rule = lex:tag(lexer.OPERATOR, '}')
+latex:embed(lex, bibtex_start_rule, bibtex_end_rule)
+
+-- Word lists.
+lex:set_word_list(lexer.VARIABLE_BUILTIN, {
+ 'author', 'title', 'journal', 'year', 'volume', 'number', 'pages', 'month', 'note', 'key',
+ 'publisher', 'editor', 'series', 'address', 'edition', 'howpublished', 'booktitle',
+ 'organization', 'chapter', 'school', 'institution', 'type', 'isbn', 'issn', 'affiliation',
+ 'issue', 'keyword', 'url'
+})
+
+lex:set_word_list('entry', {
+ 'string', --
'book', 'article', 'booklet', 'conference', 'inbook', 'incollection', 'inproceedings', 'manual',
'mastersthesis', 'lambda', 'misc', 'phdthesis', 'proceedings', 'techreport', 'unpublished'
-}, true))
-lex:add_style('entry', lexer.styles.preprocessor)
-local bibtex_start_rule = entry * ws^0 * token(lexer.OPERATOR, '{')
-local bibtex_end_rule = token(lexer.OPERATOR, '}')
-latex:embed(lex, bibtex_start_rule, bibtex_end_rule)
+})
+
+lexer.property['scintillua.comment'] = '%'
return lex