/*-
 * #%L
 * Amazon Keyspaces CQL Script to CFN Template Converter
 * %%
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 * %%
 * 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.
 * #L%
 */
package software.aws.mcs.cql2cfn.cql

import org.antlr.runtime.ANTLRStringStream
import org.antlr.runtime.CommonTokenStream
import software.aws.mcs.cql2cfn.util.Logger

object CqlScriptParser {
    fun parse(cqlScript: String): List<Statement> {
        try {
            val lexer = CfnCompatibleCqlLexer(ANTLRStringStream(cqlScript))
            val parser = CfnCompatibleCqlParser(CommonTokenStream(lexer))
            return parser.cqlScript()
        } catch (e: ParsingException) {
            Logger.error("Failed to parse CQL script: ${e.message}")
        }
    }
}