vis

a vi-like editor based on Plan 9's structural regular expressions
rpmspec.lua

(1640B)
      1 -- Copyright 2022-2025 Matej Cepl mcepl.att.cepl.eu. See LICENSE.
      2 
      3 local lexer = lexer
      4 local P, R, S = lpeg.P, lpeg.R, lpeg.S
      5 
      6 local lex = lexer.new(...)
      7 
      8 -- Comments.
      9 lex:add_rule('comment', lex:tag(lexer.COMMENT, lexer.to_eol('#')))
     10 
     11 -- Numbers (including versions)
     12 lex:add_rule('number', lex:tag(lexer.NUMBER,
     13 	lpeg.B(lexer.space) * (lexer.number * (lexer.number + S('.+~'))^0)))
     14 
     15 -- Operators
     16 lex:add_rule('operator', lex:tag(lexer.OPERATOR, S('&<>=|')))
     17 
     18 -- Strings.
     19 lex:add_rule('string', lex:tag(lexer.STRING, lexer.range('"')))
     20 
     21 -- Keywords.
     22 lex:add_rule('keyword', lex:tag(lexer.KEYWORD, (lex:word_match(lexer.KEYWORD) +
     23 	(P('Patch') + 'Source') * R('09')^0) * ':'))
     24 
     25 -- Macros
     26 lex:add_rule('command', lex:tag(lexer.FUNCTION, lexer.range(S('%$')^1 * S('{')^0 *
     27 	((lexer.alnum + S('_?'))^0), S('}')^0)))
     28 
     29 -- Constants
     30 lex:add_rule('constant', lex:tag(lexer.CONSTANT, lex:word_match(lexer.CONSTANT)))
     31 
     32 -- Word lists
     33 lex:set_word_list(lexer.CONSTANT, {
     34 	'rhel', 'fedora', 'suse_version', 'sle_version', 'x86_64', 'aarch64', 'ppc64le', 'riscv64',
     35 	's390x'
     36 })
     37 
     38 lex:set_word_list(lexer.KEYWORD, {
     39 	'Prereq', 'Summary', 'Name', 'Version', 'Packager', 'Requires', 'Recommends', 'Suggests',
     40 	'Supplements', 'Enhances', 'Icon', 'URL', 'Source', 'Patch', 'Prefix', 'Packager', 'Group',
     41 	'License', 'Release', 'BuildRoot', 'Distribution', 'Vendor', 'Provides', 'ExclusiveArch',
     42 	'ExcludeArch', 'ExclusiveOS', 'Obsoletes', 'BuildArch', 'BuildArchitectures', 'BuildRequires',
     43 	'BuildConflicts', 'BuildPreReq', 'Conflicts', 'AutoRequires', 'AutoReq', 'AutoReqProv',
     44 	'AutoProv', 'Epoch'
     45 })
     46 
     47 lexer.property['scintillua.comment'] = '#'
     48 
     49 return lex