Add Ren'Py code block highlighting

Author: Yinian12

app/src/protyle/render/highlightRender.ts

@@ -32,7 +32,7 @@ export const highlightRender = (element: Element, cdn = Constants.PROTYLE_CDN, z
     setCodeTheme(cdn);
 
     addScript(`${cdn}/js/highlight.js/highlight.min.js?v=11.11.1`, "protyleHljsScript").then(() => {
-        addScript(`${cdn}/js/highlight.js/third-languages.js?v=2.0.1`, "protyleHljsThirdScript").then(() => {
+        addScript(`${cdn}/js/highlight.js/third-languages.js?v=2.0.2`, "protyleHljsThirdScript").then(() => {
             codeElements.forEach((block: HTMLElement) => {
                 if (block.getAttribute("data-render") === "true") {
                     return;

app/stage/protyle/js/highlight.js/third-languages.js

@@ -1,3 +1,64 @@
+// Ren'Py script language support.
+hljs.registerLanguage("renpy", (hljs) => {
+    const IDENT = /[A-Za-z_][A-Za-z0-9_]*/;
+    const RENPY_KEYWORDS = [
+        "add", "at", "behind", "call", "camera", "centered", "contains",
+        "default", "define", "drag", "draggroup", "elif", "else", "event",
+        "expression", "hide", "hotspot", "if", "image", "init", "jump",
+        "key", "label", "menu", "nvl", "on", "pass", "python", "queue",
+        "repeat", "return", "scene", "screen", "show", "side", "sound",
+        "stop", "style", "text", "time", "timer", "transform", "use",
+        "voice", "while", "with", "window", "zorder"
+    ].join(" ");
+    const PYTHON_KEYWORDS = [
+        "and", "as", "assert", "async", "await", "break", "class",
+        "continue", "def", "del", "except", "False", "finally", "for",
+        "from", "global", "import", "in", "is", "lambda", "None",
+        "nonlocal", "not", "or", "raise", "True", "try", "yield"
+    ].join(" ");
+
+    return {
+        name: "Ren'Py",
+        aliases: ["rpy"],
+        keywords: {
+            keyword: `${RENPY_KEYWORDS} ${PYTHON_KEYWORDS}`,
+            literal: "True False None yes no",
+            built_in: "Character DynamicCharacter Solid Null Fade Dissolve MoveTransition Pause SetVariable ToggleVariable Show Hide Jump Call Return Function Play Queue Stop"
+        },
+        contains: [
+            hljs.HASH_COMMENT_MODE,
+            hljs.QUOTE_STRING_MODE,
+            hljs.APOS_STRING_MODE,
+            hljs.NUMBER_MODE,
+            {
+                className: "meta",
+                begin: /^\s*\$+/,
+                end: /$/,
+                contains: [
+                    hljs.HASH_COMMENT_MODE,
+                    hljs.QUOTE_STRING_MODE,
+                    hljs.APOS_STRING_MODE,
+                    hljs.NUMBER_MODE
+                ]
+            },
+            {
+                className: "section",
+                begin: /^\s*(label|screen|transform|style|image)\s+/,
+                end: /:/,
+                keywords: "label screen transform style image"
+            },
+            {
+                className: "title",
+                begin: new RegExp(`^\\s*${IDENT.source}(?=\\s+["'])`)
+            },
+            {
+                className: "variable",
+                begin: /\[[^\]\n]+\]/
+            }
+        ]
+    };
+});
+
 // https://cdn.jsdelivr.net/npm/highlightjs-solidity@2.0.6/dist/yul.min.js
 hljs.registerLanguage("yul",(()=>{"use strict";function e(){try{return!0
 }catch(e){return!1}}