/* 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.
 */

#include "atn/ATNDeserializationOptions.h"

using namespace antlr4::atn;

ATNDeserializationOptions ATNDeserializationOptions::defaultOptions;

ATNDeserializationOptions::ATNDeserializationOptions() {
    InitializeInstanceFields();
}

ATNDeserializationOptions::ATNDeserializationOptions(ATNDeserializationOptions* options)
    : ATNDeserializationOptions() {
    this->verifyATN = options->verifyATN;
    this->generateRuleBypassTransitions = options->generateRuleBypassTransitions;
}

ATNDeserializationOptions::~ATNDeserializationOptions() {}

const ATNDeserializationOptions& ATNDeserializationOptions::getDefaultOptions() {
    return defaultOptions;
}

bool ATNDeserializationOptions::isReadOnly() {
    return readOnly;
}

void ATNDeserializationOptions::makeReadOnly() {
    readOnly = true;
}

bool ATNDeserializationOptions::isVerifyATN() {
    return verifyATN;
}

void ATNDeserializationOptions::setVerifyATN(bool verify) {
    throwIfReadOnly();
    verifyATN = verify;
}

bool ATNDeserializationOptions::isGenerateRuleBypassTransitions() {
    return generateRuleBypassTransitions;
}

void ATNDeserializationOptions::setGenerateRuleBypassTransitions(bool generate) {
    throwIfReadOnly();
    generateRuleBypassTransitions = generate;
}

void ATNDeserializationOptions::throwIfReadOnly() {
    if (isReadOnly()) {
        throw "The object is read only.";
    }
}

void ATNDeserializationOptions::InitializeInstanceFields() {
    readOnly = false;
    verifyATN = true;
    generateRuleBypassTransitions = false;
}
