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-- mod-version:3
local syntax = require "core.syntax"
syntax.add {
name = "Kotlin",
files = { "%.kt$" },
comment = "//",
block_comment = { "/*", "*/" },
patterns = {
{ pattern = "//.*", type = "comment" }, -- Comment, single-line
{ pattern = { "/%*", "%*/" }, type = "comment" }, -- Comment, multi-line
{ pattern = { '"', '"', '\\' }, type = "string" }, -- String, quotation marks
{ pattern = { "'", "'", '\\' }, type = "string" }, -- String, apices
{ pattern = "'\\x%x?%x?%x?%x'", type = "string" }, -- Character hexadecimal escape sequence
{ pattern = "'\\u%x%x%x%x'", type = "string" }, -- Character unicode escape sequence
{ pattern = "'\\?.'", type = "string" }, -- Character literal
{ pattern = "-?0x%x+", type = "number" }, -- ?
{ pattern = "-?%d+[%deE]*f?", type = "number" }, -- ?
{ pattern = "-?%.?%d+f?", type = "number" }, -- ?
{ regex = [[\-\>(?=\s)]], type = "operator" }, -- Lambda
{ regex = [[\.{2}\<?\s?(?=[\\-]?[a-z0-9])]], type = "operator" }, -- Range operators
{ pattern = "[%+%-=/%*%^%%<>!~|&]", type = "operator" }, -- Operators
{ regex = [[\?(?=\.)]], type = "operator" }, -- ?. operator
{ pattern = "[%a_][%w_]*%f[(]", type = "function" }, -- Function/Method/Class
{ regex = "`[\\w_\\s]+`(?=\\s*\\()", type = "function" }, -- Test Method
{ regex = [[let(?=\s\{)]], type = "function" }, -- ? operator
{ regex = [[\?\:(?=\s?)]], type = "operator" }, -- elvis operator
{ regex = [[this(?=\.?\@?)]], type = "keyword" }, -- this keyword
{ regex = "\\@\\w+", type = "keyword2" }, -- Annotations
{ regex = [[[a-zA-Z]+\@(?=\s?[a-zA-Z])]], type = "keyword2" }, -- Annotations (this pattern is lower priority than the `this keyword` pattern)
{ regex = "[A-Z][A-Z_]+", type = "keyword2" }, -- Constants, FULL UPPERCASE
{ pattern = "import()%s+()[%w_.]+", type = { "keyword", "normal", "normal" } },
{ pattern = "[%a_][%w_]*", type = "symbol" }, -- ?
},
symbols = {
-- Hard keywords
["as"] = "keyword",
["break"] = "keyword",
["class"] = "keyword",
["continue"] = "keyword",
["do"] = "keyword",
["else"] = "keyword",
["for"] = "keyword",
["fun"] = "keyword",
["if"] = "keyword",
["in"] = "keyword",
["!in"] = "keyword",
["interface"] = "keyword",
["is"] = "keyword",
["!is"] = "keyword",
["object"] = "keyword",
["package"] = "keyword",
["return"] = "keyword",
["super"] = "keyword",
["this"] = "keyword",
["throw"] = "keyword",
["try"] = "keyword",
["typealias"] = "keyword",
["typeof"] = "keyword",
["val"] = "keyword",
["var"] = "keyword",
["when"] = "keyword",
["while"] = "keyword",
-- Soft keywords
["by"] = "keyword",
["catch"] = "keyword",
["constructor"] = "keyword",
["delegate"] = "keyword",
["dynamic"] = "keyword",
["field"] = "keyword",
["file"] = "keyword",
["finally"] = "keyword",
["get"] = "keyword",
["import"] = "keyword",
["init"] = "keyword",
["param"] = "keyword",
["property"] = "keyword",
["receiver"] = "keyword",
["set"] = "keyword",
["setparam"] = "keyword",
["value"] = "keyword",
["where"] = "keyword",
-- Modifier keywords
["abstract"] = "keyword",
["actual"] = "keyword",
["annotation"] = "keyword",
["companion"] = "keyword",
["const"] = "keyword",
["crossinline"] = "keyword",
["data"] = "keyword",
["enum"] = "keyword",
["expect"] = "keyword",
["external"] = "keyword",
["final"] = "keyword",
["inline"] = "keyword",
["inner"] = "keyword",
["infix"] = "keyword",
["internal"] = "keyword",
["lateinit"] = "keyword",
["noinline"] = "keyword",
["open"] = "keyword",
["operator"] = "keyword",
["out"] = "keyword",
["override"] = "keyword",
["private"] = "keyword",
["protected"] = "keyword",
["public"] = "keyword",
["reified"] = "keyword",
["sealed"] = "keyword",
["suspend"] = "keyword",
["tailrec"] = "keyword",
["vararg"] = "keyword",
-- Special identifiers
["it"] = "keyword",
-- Boolean
["true"] = "literal",
["false"] = "literal",
["null"] = "literal",
},
}
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