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-- mod-version:3
local syntax = require "core.syntax"
syntax.add{
name = "R",
files = {"%.r$", "%.rds$", "%.rda$", "%.rdata$", "%.R$"},
comment = "#",
patterns = {
{pattern = {"#", "\n"}, type = "comment"},
{pattern = {'"', '"'}, type = "string"},
{pattern = {"'", "'"}, type = "string"},
{pattern = "[%a_][%w_]*%f[(]", type = "function"},
{pattern = "[%a_][%w_]*", type = "symbol"},
{pattern = "[%+%-=/%*%^%%<>!|&]", type = "operator"},
{pattern = "0x[%da-fA-F]+", type = "number"},
{pattern = "-?%d+[%d%.eE]*", type = "number"},
{pattern = "-?%.?%d+", type = "number"},
},
symbols = {
["TRUE"] = "literal",
["FALSE"] = "literal",
["NA"] = "literal",
["NULL"] = "literal",
["Inf"] = "literal",
["if"] = "keyword",
["else"] = "keyword",
["while"] = "keyword",
["function"] = "keyword",
["break"] = "keyword",
["next"] = "keyword",
["repeat"] = "keyword",
["in"] = "keyword",
["for"] = "keyword",
["NA_integer"] = "keyword",
["NA_complex"] = "keyword",
["NA_character"] = "keyword",
["NA_real"] = "keyword"
}
}
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