1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
-- Copyright 2017-2021 Marc André Tanner
-- git-rebase(1) LPeg lexer.
local lexer = require('lexer')
local token, word_match = lexer.token, lexer.word_match
local P, R = lpeg.P, lpeg.R
local lex = lexer.new('git-rebase', {lex_by_line = true})
-- Whitespace.
lex:add_rule('whitespace', token(lexer.WHITESPACE, lexer.space^1))
-- Comments.
lex:add_rule('comment', token(lexer.COMMENT, lexer.starts_line('#') * lexer.nonnewline^0))
-- Keywords.
local keywords = lexer.starts_line(word_match[[
p pick
r reword
e edit
s squash
f fixup
x exec
d drop
b break
l label
t reset
m merge
]])
lex:add_rule('keyword', token(lexer.KEYWORD, keywords))
-- Commit SHA1.
local function patn(pat, min, max)
return -pat^(max + 1) * pat^min
end
lex:add_rule('commit', token(lexer.NUMBER, patn(R('09', 'af'), 7, 40)))
lex:add_rule('message', token(lexer.STRING, lexer.nonnewline^1))
return lex
|
