gherkin.lua (1160B)
- -- Copyright 2015-2024 Jason Schindler. See LICENSE.
- -- Gherkin (https://github.com/cucumber/cucumber/wiki/Gherkin) LPeg lexer.
- local lexer = require('lexer')
- local token, word_match = lexer.token, lexer.word_match
- local P, S = lpeg.P, lpeg.S
- local lex = lexer.new('gherkin', {fold_by_indentation = true})
- -- Whitespace.
- lex:add_rule('whitespace', token(lexer.WHITESPACE, lexer.space^1))
- -- Keywords.
- lex:add_rule('keyword', token(lexer.KEYWORD, word_match(
- 'And Background But Examples Feature Given Outline Scenario Scenarios Then When')))
- -- Strings.
- local doc_str = lexer.range('"""')
- local dq_str = lexer.range('"')
- lex:add_rule('string', token(lexer.STRING, doc_str + dq_str))
- -- Comments.
- lex:add_rule('comment', token(lexer.COMMENT, lexer.to_eol('#')))
- -- Numbers.
- -- lex:add_rule('number', token(lexer.NUMBER, lexer.number))
- -- Tags.
- lex:add_rule('tag', token(lexer.LABEL, '@' * lexer.word^0))
- -- Placeholders.
- lex:add_rule('placeholder', token(lexer.VARIABLE, lexer.range('<', '>', false, false, true)))
- -- Examples.
- lex:add_rule('example', token(lexer.DEFAULT, lexer.to_eol('|')))
- lexer.property['scintillua.comment'] = '#'
- return lex