// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
import { Data } from './data';
import { Vector } from './vector';
import { Type, Precision, DateUnit, TimeUnit, IntervalUnit, UnionMode } from './enum';
import { DataType, } from './type';
export class Visitor {
    visitMany(nodes, ...args) {
        return nodes.map((node, i) => this.visit(node, ...args.map((x) => x[i])));
    }
    visit(...args) {
        return this.getVisitFn(args[0], false).apply(this, args);
    }
    getVisitFn(node, throwIfNotFound = true) {
        return getVisitFn(this, node, throwIfNotFound);
    }
    visitNull(_node, ..._args) { return null; }
    visitBool(_node, ..._args) { return null; }
    visitInt(_node, ..._args) { return null; }
    visitFloat(_node, ..._args) { return null; }
    visitUtf8(_node, ..._args) { return null; }
    visitBinary(_node, ..._args) { return null; }
    visitFixedSizeBinary(_node, ..._args) { return null; }
    visitDate(_node, ..._args) { return null; }
    visitTimestamp(_node, ..._args) { return null; }
    visitTime(_node, ..._args) { return null; }
    visitDecimal(_node, ..._args) { return null; }
    visitList(_node, ..._args) { return null; }
    visitStruct(_node, ..._args) { return null; }
    visitUnion(_node, ..._args) { return null; }
    visitDictionary(_node, ..._args) { return null; }
    visitInterval(_node, ..._args) { return null; }
    visitFixedSizeList(_node, ..._args) { return null; }
    visitMap(_node, ..._args) { return null; }
}
/** @ignore */
function getVisitFn(visitor, node, throwIfNotFound = true) {
    let fn = null;
    let dtype = Type.NONE;
    // tslint:disable
    if (node instanceof Data) {
        dtype = inferDType(node.type);
    }
    else if (node instanceof Vector) {
        dtype = inferDType(node.type);
    }
    else if (node instanceof DataType) {
        dtype = inferDType(node);
    }
    else if (typeof (dtype = node) !== 'number') {
        dtype = Type[node];
    }
    switch (dtype) {
        case Type.Null:
            fn = visitor.visitNull;
            break;
        case Type.Bool:
            fn = visitor.visitBool;
            break;
        case Type.Int:
            fn = visitor.visitInt;
            break;
        case Type.Int8:
            fn = visitor.visitInt8 || visitor.visitInt;
            break;
        case Type.Int16:
            fn = visitor.visitInt16 || visitor.visitInt;
            break;
        case Type.Int32:
            fn = visitor.visitInt32 || visitor.visitInt;
            break;
        case Type.Int64:
            fn = visitor.visitInt64 || visitor.visitInt;
            break;
        case Type.Uint8:
            fn = visitor.visitUint8 || visitor.visitInt;
            break;
        case Type.Uint16:
            fn = visitor.visitUint16 || visitor.visitInt;
            break;
        case Type.Uint32:
            fn = visitor.visitUint32 || visitor.visitInt;
            break;
        case Type.Uint64:
            fn = visitor.visitUint64 || visitor.visitInt;
            break;
        case Type.Float:
            fn = visitor.visitFloat;
            break;
        case Type.Float16:
            fn = visitor.visitFloat16 || visitor.visitFloat;
            break;
        case Type.Float32:
            fn = visitor.visitFloat32 || visitor.visitFloat;
            break;
        case Type.Float64:
            fn = visitor.visitFloat64 || visitor.visitFloat;
            break;
        case Type.Utf8:
            fn = visitor.visitUtf8;
            break;
        case Type.Binary:
            fn = visitor.visitBinary;
            break;
        case Type.FixedSizeBinary:
            fn = visitor.visitFixedSizeBinary;
            break;
        case Type.Date:
            fn = visitor.visitDate;
            break;
        case Type.DateDay:
            fn = visitor.visitDateDay || visitor.visitDate;
            break;
        case Type.DateMillisecond:
            fn = visitor.visitDateMillisecond || visitor.visitDate;
            break;
        case Type.Timestamp:
            fn = visitor.visitTimestamp;
            break;
        case Type.TimestampSecond:
            fn = visitor.visitTimestampSecond || visitor.visitTimestamp;
            break;
        case Type.TimestampMillisecond:
            fn = visitor.visitTimestampMillisecond || visitor.visitTimestamp;
            break;
        case Type.TimestampMicrosecond:
            fn = visitor.visitTimestampMicrosecond || visitor.visitTimestamp;
            break;
        case Type.TimestampNanosecond:
            fn = visitor.visitTimestampNanosecond || visitor.visitTimestamp;
            break;
        case Type.Time:
            fn = visitor.visitTime;
            break;
        case Type.TimeSecond:
            fn = visitor.visitTimeSecond || visitor.visitTime;
            break;
        case Type.TimeMillisecond:
            fn = visitor.visitTimeMillisecond || visitor.visitTime;
            break;
        case Type.TimeMicrosecond:
            fn = visitor.visitTimeMicrosecond || visitor.visitTime;
            break;
        case Type.TimeNanosecond:
            fn = visitor.visitTimeNanosecond || visitor.visitTime;
            break;
        case Type.Decimal:
            fn = visitor.visitDecimal;
            break;
        case Type.List:
            fn = visitor.visitList;
            break;
        case Type.Struct:
            fn = visitor.visitStruct;
            break;
        case Type.Union:
            fn = visitor.visitUnion;
            break;
        case Type.DenseUnion:
            fn = visitor.visitDenseUnion || visitor.visitUnion;
            break;
        case Type.SparseUnion:
            fn = visitor.visitSparseUnion || visitor.visitUnion;
            break;
        case Type.Dictionary:
            fn = visitor.visitDictionary;
            break;
        case Type.Interval:
            fn = visitor.visitInterval;
            break;
        case Type.IntervalDayTime:
            fn = visitor.visitIntervalDayTime || visitor.visitInterval;
            break;
        case Type.IntervalYearMonth:
            fn = visitor.visitIntervalYearMonth || visitor.visitInterval;
            break;
        case Type.FixedSizeList:
            fn = visitor.visitFixedSizeList;
            break;
        case Type.Map:
            fn = visitor.visitMap;
            break;
    }
    if (typeof fn === 'function')
        return fn;
    if (!throwIfNotFound)
        return () => null;
    throw new Error(`Unrecognized type '${Type[dtype]}'`);
}
/** @ignore */
function inferDType(type) {
    switch (type.typeId) {
        case Type.Null: return Type.Null;
        case Type.Int:
            const { bitWidth, isSigned } = type;
            switch (bitWidth) {
                case 8: return isSigned ? Type.Int8 : Type.Uint8;
                case 16: return isSigned ? Type.Int16 : Type.Uint16;
                case 32: return isSigned ? Type.Int32 : Type.Uint32;
                case 64: return isSigned ? Type.Int64 : Type.Uint64;
            }
            return Type.Int;
        case Type.Float:
            switch (type.precision) {
                case Precision.HALF: return Type.Float16;
                case Precision.SINGLE: return Type.Float32;
                case Precision.DOUBLE: return Type.Float64;
            }
            return Type.Float;
        case Type.Binary: return Type.Binary;
        case Type.Utf8: return Type.Utf8;
        case Type.Bool: return Type.Bool;
        case Type.Decimal: return Type.Decimal;
        case Type.Time:
            switch (type.unit) {
                case TimeUnit.SECOND: return Type.TimeSecond;
                case TimeUnit.MILLISECOND: return Type.TimeMillisecond;
                case TimeUnit.MICROSECOND: return Type.TimeMicrosecond;
                case TimeUnit.NANOSECOND: return Type.TimeNanosecond;
            }
            return Type.Time;
        case Type.Timestamp:
            switch (type.unit) {
                case TimeUnit.SECOND: return Type.TimestampSecond;
                case TimeUnit.MILLISECOND: return Type.TimestampMillisecond;
                case TimeUnit.MICROSECOND: return Type.TimestampMicrosecond;
                case TimeUnit.NANOSECOND: return Type.TimestampNanosecond;
            }
            return Type.Timestamp;
        case Type.Date:
            switch (type.unit) {
                case DateUnit.DAY: return Type.DateDay;
                case DateUnit.MILLISECOND: return Type.DateMillisecond;
            }
            return Type.Date;
        case Type.Interval:
            switch (type.unit) {
                case IntervalUnit.DAY_TIME: return Type.IntervalDayTime;
                case IntervalUnit.YEAR_MONTH: return Type.IntervalYearMonth;
            }
            return Type.Interval;
        case Type.Map: return Type.Map;
        case Type.List: return Type.List;
        case Type.Struct: return Type.Struct;
        case Type.Union:
            switch (type.mode) {
                case UnionMode.Dense: return Type.DenseUnion;
                case UnionMode.Sparse: return Type.SparseUnion;
            }
            return Type.Union;
        case Type.FixedSizeBinary: return Type.FixedSizeBinary;
        case Type.FixedSizeList: return Type.FixedSizeList;
        case Type.Dictionary: return Type.Dictionary;
    }
    throw new Error(`Unrecognized type '${Type[type.typeId]}'`);
}
// Add these here so they're picked up by the externs creator
// in the build, and closure-compiler doesn't minify them away
Visitor.prototype.visitInt8 = null;
Visitor.prototype.visitInt16 = null;
Visitor.prototype.visitInt32 = null;
Visitor.prototype.visitInt64 = null;
Visitor.prototype.visitUint8 = null;
Visitor.prototype.visitUint16 = null;
Visitor.prototype.visitUint32 = null;
Visitor.prototype.visitUint64 = null;
Visitor.prototype.visitFloat16 = null;
Visitor.prototype.visitFloat32 = null;
Visitor.prototype.visitFloat64 = null;
Visitor.prototype.visitDateDay = null;
Visitor.prototype.visitDateMillisecond = null;
Visitor.prototype.visitTimestampSecond = null;
Visitor.prototype.visitTimestampMillisecond = null;
Visitor.prototype.visitTimestampMicrosecond = null;
Visitor.prototype.visitTimestampNanosecond = null;
Visitor.prototype.visitTimeSecond = null;
Visitor.prototype.visitTimeMillisecond = null;
Visitor.prototype.visitTimeMicrosecond = null;
Visitor.prototype.visitTimeNanosecond = null;
Visitor.prototype.visitDenseUnion = null;
Visitor.prototype.visitSparseUnion = null;
Visitor.prototype.visitIntervalDayTime = null;
Visitor.prototype.visitIntervalYearMonth = null;

//# sourceMappingURL=visitor.mjs.map
