antlr4ts
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ANTLR 4 runtime for JavaScript written in Typescript
63 lines • 2.68 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;
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
return function (target, key) { decorator(target, key, paramIndex); }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ATNSimulator = void 0;
const ATNConfigSet_1 = require("./ATNConfigSet");
const DFAState_1 = require("../dfa/DFAState");
const Decorators_1 = require("../Decorators");
const PredictionContext_1 = require("./PredictionContext");
let ATNSimulator = class ATNSimulator {
constructor(atn) {
this.atn = atn;
}
static get ERROR() {
if (!ATNSimulator._ERROR) {
ATNSimulator._ERROR = new DFAState_1.DFAState(new ATNConfigSet_1.ATNConfigSet());
ATNSimulator._ERROR.stateNumber = PredictionContext_1.PredictionContext.EMPTY_FULL_STATE_KEY;
}
return ATNSimulator._ERROR;
}
/**
* Clear the DFA cache used by the current instance. Since the DFA cache may
* be shared by multiple ATN simulators, this method may affect the
* performance (but not accuracy) of other parsers which are being used
* concurrently.
*
* @ if the current instance does not
* support clearing the DFA.
*
* @since 4.3
*/
clearDFA() {
this.atn.clearDFA();
}
};
__decorate([
Decorators_1.NotNull
], ATNSimulator.prototype, "atn", void 0);
__decorate([
Decorators_1.NotNull
], ATNSimulator, "ERROR", null);
ATNSimulator = __decorate([
__param(0, Decorators_1.NotNull)
], ATNSimulator);
exports.ATNSimulator = ATNSimulator;
(function (ATNSimulator) {
const RULE_VARIANT_DELIMITER = "$";
const RULE_LF_VARIANT_MARKER = "$lf$";
const RULE_NOLF_VARIANT_MARKER = "$nolf$";
})(ATNSimulator = exports.ATNSimulator || (exports.ATNSimulator = {}));
exports.ATNSimulator = ATNSimulator;
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