Add & register more basic commands

src/vm/commands/enclose.ts

@@ -0,0 +1,24 @@
+import {Command, ParseContext, StrTerm} from "./command.js";
+import {LexInput} from "../lexer.js";
+
+export type EncloseData = {
+    left?: StrTerm,
+    right?: StrTerm,
+}
+
+export class Enclose extends Command<EncloseData> {
+    attemptParse(context: ParseContext): EncloseData {
+        return {
+            left: context.popOptionalTerm(),
+            right: context.popOptionalTerm(),
+        }
+    }
+
+    getDisplayName(): string {
+        return 'enclose'
+    }
+
+    isParseCandidate(token: LexInput): boolean {
+        return this.isKeyword(token, 'enclose')
+    }
+}