antlr4ng/dist/tree/AbstractParseTreeVisitor.mjs

Alternative JavaScript/TypeScript runtime for ANTLR4

var __defProp = Object.defineProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });

// src/tree/AbstractParseTreeVisitor.ts
var AbstractParseTreeVisitor = class {
  static {
    __name(this, "AbstractParseTreeVisitor");
  }
  visit(tree) {
    return tree.accept(this);
  }
  visitChildren(node) {
    let result = this.defaultResult();
    const n = node.getChildCount();
    for (let i = 0; i < n; i++) {
      if (!this.shouldVisitNextChild(node, result)) {
        break;
      }
      const c = node.getChild(i);
      if (c) {
        const childResult = c.accept(this);
        result = this.aggregateResult(result, childResult);
      }
    }
    return result;
  }
  visitTerminal(_node) {
    return this.defaultResult();
  }
  visitErrorNode(_node) {
    return this.defaultResult();
  }
  defaultResult() {
    return null;
  }
  shouldVisitNextChild(_node, _currentResult) {
    return true;
  }
  aggregateResult(aggregate, nextResult) {
    return nextResult;
  }
};
export {
  AbstractParseTreeVisitor
};