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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
-- mod-version:3 --lite-xl 2.1
local core = require "core"
local style = require "core.style"
local config = require "core.config"
local common = require "core.common"
local command = require "core.command"
local tokenizer = require "core.tokenizer"
local Highlighter = require "core.doc.highlighter"
config.plugins.rainbowparen = common.merge({
enable = true
}, config.plugins.rainbowparen)
local tokenize = tokenizer.tokenize
local closers = {
["("] = ")",
["["] = "]",
["{"] = "}"
}
local function parenstyle(parenstack)
return "paren" .. ((#parenstack % 5) + 1)
end
function tokenizer.tokenize(syntax, text, state)
if not config.plugins.rainbowparen.enable then
return tokenize(syntax, text, state)
end
state = state or {}
local res, istate = tokenize(syntax, text, state.istate)
local parenstack = state.parenstack or ""
local newres = {}
-- split parens out
-- the stock tokenizer can't do this because it merges identical adjacent tokens
for i, type, text in tokenizer.each_token(res) do
if type == "normal" or type == "symbol" then
for normtext1, paren, normtext2 in text:gmatch("([^%(%[{}%]%)]*)([%(%[{}%]%)]?)([^%(%[{}%]%)]*)") do
if #normtext1 > 0 then
table.insert(newres, type)
table.insert(newres, normtext1)
end
if #paren > 0 then
if paren == parenstack:sub(-1) then -- expected closer
parenstack = parenstack:sub(1, -2)
table.insert(newres, parenstyle(parenstack))
elseif closers[paren] then -- opener
table.insert(newres, parenstyle(parenstack))
parenstack = parenstack .. closers[paren]
else -- unexpected closer
table.insert(newres, "paren_unbalanced")
end
table.insert(newres, paren)
end
if #normtext2 > 0 then
table.insert(newres, type)
table.insert(newres, normtext2)
end
end
else
table.insert(newres, type)
table.insert(newres, text)
end
end
return newres, { parenstack = parenstack, istate = istate }
end
style.syntax.paren_unbalanced = style.syntax.paren_unbalanced or { common.color "#DC0408" }
style.syntax.paren1 = style.syntax.paren1 or { common.color "#FC6F71"}
style.syntax.paren2 = style.syntax.paren2 or { common.color "#fcb053"}
style.syntax.paren3 = style.syntax.paren3 or { common.color "#fcd476"}
style.syntax.paren4 = style.syntax.paren4 or { common.color "#52dab2"}
style.syntax.paren5 = style.syntax.paren5 or { common.color "#5a98cf"}
command.add(nil, {
["rainbow-parentheses:toggle"] = function()
config.plugins.rainbowparen.enable = not config.plugins.rainbowparen.enable
for _, doc in ipairs(core.docs) do
doc.highlighter = Highlighter(doc)
doc:reset_syntax()
end
end
})
|
