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// Copyright (c) 2012-2022 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 antlr
var ATNSimulatorError = NewDFAState(0x7FFFFFFF, NewATNConfigSet(false))
type IATNSimulator interface {
SharedContextCache() *PredictionContextCache
ATN() *ATN
DecisionToDFA() []*DFA
}
type BaseATNSimulator struct {
atn *ATN
sharedContextCache *PredictionContextCache
decisionToDFA []*DFA
}
func (b *BaseATNSimulator) getCachedContext(context *PredictionContext) *PredictionContext {
if b.sharedContextCache == nil {
return context
}
//visited := NewJMap[*PredictionContext, *PredictionContext, Comparator[*PredictionContext]](pContextEqInst, PredictionVisitedCollection, "Visit map in getCachedContext()")
visited := NewVisitRecord()
return getCachedBasePredictionContext(context, b.sharedContextCache, visited)
}
func (b *BaseATNSimulator) SharedContextCache() *PredictionContextCache {
return b.sharedContextCache
}
func (b *BaseATNSimulator) ATN() *ATN {
return b.atn
}
func (b *BaseATNSimulator) DecisionToDFA() []*DFA {
return b.decisionToDFA
}
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