// Copyright 2022 Google LLC

//

// Licensed 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

//

// https://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.

package dev.cel.common.types;

import com.google.errorprone.annotations.CheckReturnValue;

/**

* The {@code CelKind} indicates the type category.

*

* <p>In most cases, the type category maps to a well-defined CEL type, but there are a handful of

* types which are either internal or used to extend the type set natively understood by CEL.

*/

@CheckReturnValue

public enum CelKind {

UNSPECIFIED,

ERROR,

DYN,

ANY,

BOOL,

BYTES,

DOUBLE,

DURATION,

INT,

LIST,

MAP,

NULL_TYPE,

OPAQUE,

STRING,

STRUCT,

TIMESTAMP,

TYPE,

TYPE_PARAM,

UINT;

public boolean isDyn() {

return this == DYN || this == ANY;

}

public boolean isTypeParam() {

return this == TYPE_PARAM;

}

public boolean isError() {

return this == ERROR;

}

public boolean isPrimitive() {

return this == BOOL

|| this == INT

|| this == UINT

|| this == DOUBLE

|| this == STRING

|| this == BYTES;

}

}