55 lines
2.4 KiB
TypeScript
55 lines
2.4 KiB
TypeScript
/*!
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* Copyright 2016 The ANTLR Project. All rights reserved.
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* Licensed under the BSD-3-Clause license. See LICENSE file in the project root for license information.
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*/
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import { DecisionEventInfo } from "./DecisionEventInfo";
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import { SemanticContext } from "./SemanticContext";
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import { SimulatorState } from "./SimulatorState";
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import { TokenStream } from "../TokenStream";
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/**
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* This class represents profiling event information for semantic predicate
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* evaluations which occur during prediction.
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*
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* @see ParserATNSimulator#evalSemanticContext
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*
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* @since 4.3
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*/
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export declare class PredicateEvalInfo extends DecisionEventInfo {
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/**
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* The semantic context which was evaluated.
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*/
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semctx: SemanticContext;
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/**
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* The alternative number for the decision which is guarded by the semantic
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* context {@link #semctx}. Note that other ATN
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* configurations may predict the same alternative which are guarded by
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* other semantic contexts and/or {@link SemanticContext#NONE}.
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*/
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predictedAlt: number;
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/**
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* The result of evaluating the semantic context {@link #semctx}.
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*/
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evalResult: boolean;
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/**
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* Constructs a new instance of the {@link PredicateEvalInfo} class with the
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* specified detailed predicate evaluation information.
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*
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* @param state The simulator state
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* @param decision The decision number
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* @param input The input token stream
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* @param startIndex The start index for the current prediction
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* @param stopIndex The index at which the predicate evaluation was
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* triggered. Note that the input stream may be reset to other positions for
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* the actual evaluation of individual predicates.
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* @param semctx The semantic context which was evaluated
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* @param evalResult The results of evaluating the semantic context
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* @param predictedAlt The alternative number for the decision which is
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* guarded by the semantic context `semctx`. See {@link #predictedAlt}
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* for more information.
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*
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* @see ParserATNSimulator#evalSemanticContext(SemanticContext, ParserRuleContext, int)
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* @see SemanticContext#eval(Recognizer, RuleContext)
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*/
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constructor(state: SimulatorState, decision: number, input: TokenStream, startIndex: number, stopIndex: number, semctx: SemanticContext, evalResult: boolean, predictedAlt: number);
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}
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