antlr4ts
Version:
ANTLR 4 runtime for JavaScript written in Typescript
54 lines • 2.1 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;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.OrderedATNConfigSet = void 0;
const ATNConfigSet_1 = require("./ATNConfigSet");
const Decorators_1 = require("../Decorators");
/**
*
* @author Sam Harwell
*/
class OrderedATNConfigSet extends ATNConfigSet_1.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([
Decorators_1.Override
], OrderedATNConfigSet.prototype, "clone", null);
__decorate([
Decorators_1.Override
], OrderedATNConfigSet.prototype, "getKey", null);
__decorate([
Decorators_1.Override
], OrderedATNConfigSet.prototype, "canMerge", null);
exports.OrderedATNConfigSet = OrderedATNConfigSet;
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