asm.monarch.js

// Create your own language definition here
// You can safely look at other samples without losing modifications.
// Modifications are not saved on browser refresh/close though -- copy often!
export const asmSyntax = {
  // Set defaultToken to invalid to see what you do not tokenize yet
  // defaultToken: 'invalid',

  keywords: [
    "nil",
    "true",
    "false",
    "self",
    "signal",
    "visual",
    "goto",
    "store",
  ],

  // this came from an example, not sure if it really matches json escapes.
  escapes:
    /\\(?:[abfnrtv\\"']|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})/,

  // The main tokenizer for our languages
  tokenizer: {
    root: [
      // identifiers and keywords

      [/\w+:|:\w+/, "type.identifier"], // to show labels nicely
      [/p\d+|[A-Z]/, "variable"],
      [/\$\w+(?==)/, "attribute.name"],
      [
        /[a-z_]\w+/,
        {
          cases: {
            "@keywords": "keyword",
            "@default": "identifier",
          },
        },
      ],

      // whitespace
      { include: "@whitespace" },

      // numbers
      [/\d+/, "number"],

      // strings
      [/"([^"\\]|\\.)*$/, "string.invalid"], // non-teminated string
      [/"/, { token: "string.quote", bracket: "@open", next: "@string" }],
    ],

    string: [
      [/[^\\"]+/, "string"],
      [/@escapes/, "string.escape"],
      [/\\./, "string.escape.invalid"],
      [/"/, { token: "string.quote", bracket: "@close", next: "@pop" }],
    ],

    whitespace: [
      [/[ \t\r\n]+/, "white"],
      [/;.*$/, "comment"],
    ],
  },
};