38 lines
1.7 KiB
TypeScript
38 lines
1.7 KiB
TypeScript
/*!
|
|
* 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.
|
|
*/
|
|
import { DecisionEventInfo } from "./DecisionEventInfo";
|
|
import { SimulatorState } from "./SimulatorState";
|
|
import { TokenStream } from "../TokenStream";
|
|
/**
|
|
* This class represents profiling event information for tracking the lookahead
|
|
* depth required in order to make a prediction.
|
|
*
|
|
* @since 4.3
|
|
*/
|
|
export declare class LookaheadEventInfo extends DecisionEventInfo {
|
|
/** The alternative chosen by adaptivePredict(), not necessarily
|
|
* the outermost alt shown for a rule; left-recursive rules have
|
|
* user-level alts that differ from the rewritten rule with a (...) block
|
|
* and a (..)* loop.
|
|
*/
|
|
predictedAlt: number;
|
|
/**
|
|
* Constructs a new instance of the {@link LookaheadEventInfo} class with
|
|
* the specified detailed lookahead information.
|
|
*
|
|
* @param decision The decision number
|
|
* @param state The final simulator state containing the necessary
|
|
* information to determine the result of a prediction, or `undefined` if
|
|
* the final state is not available
|
|
* @param input The input token stream
|
|
* @param startIndex The start index for the current prediction
|
|
* @param stopIndex The index at which the prediction was finally made
|
|
* @param fullCtx `true` if the current lookahead is part of an LL
|
|
* prediction; otherwise, `false` if the current lookahead is part of
|
|
* an SLL prediction
|
|
*/
|
|
constructor(decision: number, state: SimulatorState | undefined, predictedAlt: number, input: TokenStream, startIndex: number, stopIndex: number, fullCtx: boolean);
|
|
}
|