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language_cpp: backport number highlighting from c (#1818)

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Takase 2024-06-20 10:16:39 +08:00 committed by GitHub
parent 4df2871a46
commit 0fc179a4b5
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1 changed files with 12 additions and 3 deletions
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15
data/plugins/language_cpp.lua
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@ -1,6 +1,11 @@
-- mod-version:3 -- mod-version:3
local syntax = require "core.syntax" local syntax = require "core.syntax"
-- integer suffix combinations as a regex
local isuf = [[(?:[lL][uU]|ll[uU]|LL[uU]|[uU][lL]\b|[uU]ll|[uU]LL|[uU]|[lL]\b|ll|LL)?]]
-- float suffix combinations as a Lua pattern / regex
local fsuf = "[fFlL]?"
syntax.add { syntax.add {
name = "C++", name = "C++",
files = { files = {
@ -15,9 +20,13 @@ syntax.add {
{ pattern = { "/%*", "%*/" }, type = "comment" }, { pattern = { "/%*", "%*/" }, type = "comment" },
{ pattern = { '"', '"', '\\' }, type = "string" }, { pattern = { '"', '"', '\\' }, type = "string" },
{ pattern = { "'", "'", '\\' }, type = "string" }, { pattern = { "'", "'", '\\' }, type = "string" },
{ pattern = "0x%x+[%x']*", type = "number" }, { regex = "0x[0-9a-fA-f]+"..isuf, type = "number" },
{ pattern = "%d+[%d%.'eE]*f?", type = "number" }, { regex = "0()[0-7]+"..isuf, type = { "keyword", "number" } },
{ pattern = "%.?%d+[%d']*f?", type = "number" }, { pattern = "%d+%.%d*[Ee]%d+"..fsuf, type = "number" },
{ pattern = "%d+[Ee]%d+"..fsuf, type = "number" },
{ pattern = "%d+%.%d*"..fsuf, type = "number" },
{ pattern = "%.%d+"..fsuf, type = "number" },
{ regex = "\\d+"..isuf, type = "number" },
{ pattern = "[%+%-=/%*%^%%<>!~|:&]", type = "operator" }, { pattern = "[%+%-=/%*%^%%<>!~|:&]", type = "operator" },
{ pattern = "##", type = "operator" }, { pattern = "##", type = "operator" },
{ pattern = "struct%s()[%a_][%w_]*", type = {"keyword", "keyword2"} }, { pattern = "struct%s()[%a_][%w_]*", type = {"keyword", "keyword2"} },