Rename directory "engines" to "languages"

languages/befunge93/constants.ts

@@ -0,0 +1,79 @@
+import { MonacoTokensProvider } from "../types";
+
+export type Bfg93RS = {
+  stack: number[];
+  direction: Bfg93Direction;
+  strMode: boolean;
+};
+
+/** Direction of program counter */
+export enum Bfg93Direction {
+  UP = "up",
+  DOWN = "down",
+  LEFT = "left",
+  RIGHT = "right",
+}
+
+/** Allowed operations in Befunge */
+export enum Bfg93Op {
+  NOOP = " ",
+  ADD = "+",
+  SUBTRACT = "-",
+  MULTIPLY = "*",
+  DIVIDE = "/",
+  MODULO = "%",
+  NOT = "!",
+  GREATER = "`",
+  RIGHT = ">",
+  LEFT = "<",
+  UP = "^",
+  DOWN = "v",
+  RANDOM = "?",
+  H_IF = "_",
+  V_IF = "|",
+  TOGGLE_STR = '"',
+  DUPLICATE = ":",
+  SWAP = "\\",
+  POP_DELETE = "$",
+  POP_OUTINT = ".",
+  POP_OUTCHAR = ",",
+  BRIDGE = "#",
+  GET_DATA = "g",
+  PUT_DATA = "p",
+  STDIN_INT = "&",
+  STDIN_CHAR = "~",
+  END = "@",
+  PUSH_0 = "0",
+  PUSH_1 = "1",
+  PUSH_2 = "2",
+  PUSH_3 = "3",
+  PUSH_4 = "4",
+  PUSH_5 = "5",
+  PUSH_6 = "6",
+  PUSH_7 = "7",
+  PUSH_8 = "8",
+  PUSH_9 = "9",
+}
+
+/** Sample program printing "Hello world" */
+export const sampleProgram = [
+  `"!dlroW ,olleH">:v`,
+  `               |,<`,
+  `               @`,
+].join("\n");
+
+/** Tokens provider */
+export const editorTokensProvider: MonacoTokensProvider = {
+  tokenizer: {
+    root: [
+      [/[\>\^<v\?]/, "red"],
+      [/[\+\-\*\/%!`]/, "orange"],
+      [/[|_]/, "blue"],
+      [/[":\\#]/, "green"],
+      [/[\$\.,]/, "violet"],
+      [/[gp@]/, "indigo"],
+      [/[&~0-9]/, "turquoise"],
+    ],
+  },
+  defaultToken: "comment",
+};