Added default utility wrapper function

src/mod.mjs

@@ -1,3 +1,30 @@
 export { default as Lexer } from "./Lexer.mjs";
 export { default as Parser } from "./Parser.mjs";
 export { default as visitorCreator } from "./visitor.mjs";
+
+import Parser from "./Parser.mjs";
+import Lexer from "./Lexer.mjs";
+import visitorCreator from "./visitor.mjs";
+
+export default (input) => {
+  const parser = new Parser([], { outputCst: true });
+  const lexingresult = Lexer.tokenize(input);
+
+  if (lexingresult.errors.length > 0) {
+    console.dir(lexingresult, { depth: Infinity });
+    throw new Error("Lexing errors detected")
+  }
+
+  parser.input = lexingresult.tokens;
+  const cst = parser.unitFile();
+
+  if (parser.errors.length > 0) {
+    console.dir(parser.errors, { depth: Infinity });
+    throw new Error("Parsing errors detected")
+  }
+
+  const Visitor = visitorCreator(parser);
+  const visitor = new Visitor();
+  const ast = visitor.visit(cst);
+  return ast;
+}