antlr4ng
Version:
Alternative JavaScript/TypeScript runtime for ANTLR4
64 lines (62 loc) • 1.99 kB
JavaScript
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// src/tree/AbstractParseTreeVisitor.ts
var AbstractParseTreeVisitor_exports = {};
__export(AbstractParseTreeVisitor_exports, {
AbstractParseTreeVisitor: () => AbstractParseTreeVisitor
});
module.exports = __toCommonJS(AbstractParseTreeVisitor_exports);
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;
}
};