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The parser module for ExpreTau

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/*
 * Copyright 2020 DataCanvas
 *
 * 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
 *
 *     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.
 */

package io.github.datacanvasio.expretau;

import io.github.datacanvasio.expretau.exception.ExpretauCompileException;
import io.github.datacanvasio.expretau.runtime.CompileContext;
import io.github.datacanvasio.expretau.runtime.RtExpr;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

public interface Expr {
    /**
     * Get an RtExpr by compiling this Expr in a specified CompileContext.
     *
     * @param ctx the CompileContext
     * @return the RtExpr
     * @throws ExpretauCompileException if something is wrong when compiling
     */
    @Nonnull
    RtExpr compileIn(@Nullable CompileContext ctx) throws ExpretauCompileException;
}