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Kotlin multiplatform port of ANTLR
/*
* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
* Use of this file is governed by the BSD 3-clause license that
* can be found in the LICENSE.txt file in the project root.
*/
package org.antlr.v4.kotlinruntime.atn
import org.antlr.v4.kotlinruntime.TokenStream
/**
* This class represents profiling event information for semantic predicate
* evaluations which occur during prediction.
*
* @see ParserATNSimulator.evalSemanticContext
*
*
* @since 4.3
*/
class PredicateEvalInfo
/**
* Constructs a new instance of the [PredicateEvalInfo] class with the
* specified detailed predicate evaluation information.
*
* @param decision The decision number
* @param input The input token stream
* @param startIndex The start index for the current prediction
* @param stopIndex The index at which the predicate evaluation was
* triggered. Note that the input stream may be reset to other positions for
* the actual evaluation of individual predicates.
* @param semctx The semantic context which was evaluated
* @param evalResult The results of evaluating the semantic context
* @param predictedAlt The alternative number for the decision which is
* guarded by the semantic context `semctx`. See [.predictedAlt]
* for more information.
* @param fullCtx `true` if the semantic context was
* evaluated during LL prediction; otherwise, `false` if the semantic
* context was evaluated during SLL prediction
*
* @see ParserATNSimulator.evalSemanticContext
* @see SemanticContext.eval
*/
(decision: Int,
input: TokenStream, startIndex: Int, stopIndex: Int,
/**
* The semantic context which was evaluated.
*/
val semctx: SemanticContext,
/**
* The result of evaluating the semantic context [.semctx].
*/
val evalResult: Boolean,
/**
* The alternative number for the decision which is guarded by the semantic
* context [.semctx]. Note that other ATN
* configurations may predict the same alternative which are guarded by
* other semantic contexts and/or [SemanticContext.NONE].
*/
val predictedAlt: Int,
fullCtx: Boolean) : DecisionEventInfo(decision, ATNConfigSet(), input, startIndex, stopIndex, fullCtx)