bitmark-grammar
Version:
50 lines (49 loc) • 1.78 kB
JavaScript
/*!
* Copyright 2016 The ANTLR Project. All rights reserved.
* Licensed under the BSD-3-Clause license. See LICENSE file in the project root for license information.
*/
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
import { ATNConfigSet } from "./ATNConfigSet";
import { Override } from "../Decorators";
/**
*
* @author Sam Harwell
*/
export class OrderedATNConfigSet extends ATNConfigSet {
constructor(set, readonly) {
if (set != null && readonly != null) {
super(set, readonly);
}
else {
super();
}
}
clone(readonly) {
let copy = new OrderedATNConfigSet(this, readonly);
if (!readonly && this.isReadOnly) {
copy.addAll(this);
}
return copy;
}
getKey(e) {
// This is a specially crafted key to ensure configurations are only merged if they are equal
return { state: 0, alt: e.hashCode() };
}
canMerge(left, leftKey, right) {
return left.equals(right);
}
}
__decorate([
Override
], OrderedATNConfigSet.prototype, "clone", null);
__decorate([
Override
], OrderedATNConfigSet.prototype, "getKey", null);
__decorate([
Override
], OrderedATNConfigSet.prototype, "canMerge", null);