/*!
 * 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.
 */

// ConvertTo-TS run at 2016-10-04T11:26:24.7363448-07:00

import { ATNState } from "./ATNState";
import { Override, NotNull } from "../Decorators";
import { Transition } from "./Transition";
import { TransitionType } from "./TransitionType";

export class ActionTransition extends Transition {
	public ruleIndex: number;
	public actionIndex: number;
	public isCtxDependent: boolean;  // e.g., $i ref in action

	constructor(@NotNull target: ATNState, ruleIndex: number, actionIndex: number = -1, isCtxDependent: boolean = false) {
		super(target);
		this.ruleIndex = ruleIndex;
		this.actionIndex = actionIndex;
		this.isCtxDependent = isCtxDependent;
	}

	@Override
	get serializationType(): TransitionType {
		return TransitionType.ACTION;
	}

	@Override
	get isEpsilon(): boolean {
		return true; // we are to be ignored by analysis 'cept for predicates
	}

	@Override
	public matches(symbol: number, minVocabSymbol: number, maxVocabSymbol: number): boolean {
		return false;
	}

	@Override
	public toString(): string {
		return "action_" + this.ruleIndex + ":" + this.actionIndex;
	}
}