edtris/vendor/lite-plugins/plugins/language_batch.lua
2021-02-07 16:56:19 -05:00

62 lines
2.2 KiB
Lua

local syntax = require "core.syntax"
-- batch syntax for lite <liqube>
-- windows batch files use caseless matching for symbols
local symtable = {
["keyword"] = {
"if", "else", "elsif", "not", "for", "do", "in",
"equ", "neq", "lss", "leq", "gtr", "geq", -- == != < <= > >=
"nul", "con", "prn", "prn", "lpt1", "com1", "com2", "com3", "com4",
"exist", "defined",
"errorlevel", "cmdextversion",
"goto", "call", "verify",
},
["function"] = {
"set", "setlocal", "endlocal", "enabledelayedexpansion",
"echo", "type",
"cd", "chdir",
"md", "mkdir",
"pause", "choice", "exit",
"del", "rd", "rmdir",
"copy", "xcopy",
"move", "ren",
"find", "findstr",
"sort", "shift", "attrib",
"cmd", "command",
"forfiles",
},
}
-- prepare a mixed symbol list
local function prepare_symbols(symtable)
local symbols = { }
for symtype, symlist in pairs(symtable) do
for _, symname in ipairs(symlist) do
symbols[symname:lower()] = symtype
symbols[symname:upper()] = symtype
end
end
return symbols
end
syntax.add {
files = { "%.bat$", "%.cmd$" },
comment = "rem",
patterns = {
{ pattern = "@echo off\n", type = "keyword" },
{ pattern = "@echo on\n", type = "keyword" },
{ pattern = "rem.-\n", type = "comment" }, -- rem comment line, rem, rem.
{ pattern = "REM.-\n", type = "comment" },
{ pattern = "%s*:[%w%-]+", type = "symbol" }, -- :labels
{ pattern = "%:%:.-\n", type = "comment" }, -- :: comment line
{ pattern = "%%%w+%%", type = "symbol" }, -- %variable%
{ pattern = "%%%%?~?[%w:]+", type = "symbol" }, -- %1, %~dpn1, %~1:2, %%i, %%~i
{ pattern = "[!=()%>&%^/\\@]", type = "operator" }, -- operators
{ pattern = "-?%.?%d+f?", type = "number" }, -- integer numbers
{ pattern = { '"', '"', '\\' }, type = "string" }, -- "strings"
{ pattern = "[%a_][%w_]*", type = "normal" },
{ pattern = ":eof", type = "keyword" }, -- not quite as intended, but ok for now
},
symbols = prepare_symbols(symtable),
}