Add language_brainfuck (#418)

* Create language_brainfuck.lua

* Update manifest.json

manifest.json

@@ -68,6 +68,7 @@
         "language_bib": {},
         "language_blade": {},
         "language_blueprint": {},
+        "language_brainfuck": {},
         "language_buzz": {},
         "language_c7": {},
         "language_caddyfile": {},
@@ -160,7 +161,7 @@
       "id": "meta_languages",
       "mod_version": "3",
       "type": "meta",
-      "version": "0.1.11"
+      "version": "0.1.12"
     },
     {
       "description": "Align multiple carets and selections *([clip](https://user-images.githubusercontent.com/2798487/165631951-532f8d24-d596-4dd0-9d21-ff53c71ed32f.mp4))*",
@@ -696,6 +697,16 @@
       ],
       "version": "0.1"
     },
+    {
+      "description": "Syntax for the [Brainfuck](https://en.wikipedia.org/wiki/Brainfuck) programming language",
+      "id": "language_brainfuck",
+      "mod_version": "3",
+      "path": "plugins/language_brainfuck.lua",
+      "tags": [
+        "language"
+      ],
+      "version": "0.1"
+    },
     {
       "description": "A syntax highlighter for the [Buzz programming language](https://buzz-lang.dev/) in lite-xl.",
       "id": "language_buzz",

plugins/language_brainfuck.lua

@@ -0,0 +1,23 @@
+-- Author: Rohan Vashisht: https://github.com/RohanVashisht1234/
+
+-- mod-version:3
+local syntax = require "core.syntax"
+
+syntax.add {
+  name = "Brainfuck", -- tested ok
+  files = {
+    "%.bf$",          -- tested ok
+  },
+  patterns = {
+    { pattern = '%[',                type = 'operator' }, -- tested ok
+    { pattern = '%]',                type = 'operator' }, -- tested ok
+    { pattern = '%-',                type = 'keyword' },  -- tested ok
+    { pattern = '<',                 type = 'keyword2' }, -- tested ok
+    { pattern = '>',                 type = 'keyword2' }, -- tested ok
+    { pattern = '+',                 type = 'string' },   -- tested ok
+    { pattern = ',',                 type = 'literal' },  -- tested ok
+    { pattern = '%.',                type = 'string' },   -- tested ok
+    { pattern = '[^%-%.<>%+,%[%]]+', type = 'comment' },  -- tested ok
+  },
+  symbols = {},
+}