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/*
 * Copyright 2023 the original author or authors.
 * 
 * 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 org.openrewrite.groovy;

import org.codehaus.groovy.control.CompilationFailedException;
import org.codehaus.groovy.control.CompilerConfiguration;
import org.codehaus.groovy.control.ErrorCollector;
import org.codehaus.groovy.control.messages.ExceptionMessage;
import org.codehaus.groovy.control.messages.Message;
import org.codehaus.groovy.control.messages.SyntaxErrorMessage;
import org.openrewrite.ParseWarning;

import java.util.ArrayList;
import java.util.List;

public class ParseWarningCollector extends ErrorCollector {

    private final List warningMarkers = new ArrayList<>();
    private final GroovyParser parser;
    public ParseWarningCollector(CompilerConfiguration configuration, GroovyParser parser) {
        super(configuration);
        this.parser = parser;
    }

    @Override
    public void addErrorAndContinue(Message message) throws CompilationFailedException {
        super.addErrorAndContinue(message);

        if (message instanceof SyntaxErrorMessage) {
            warningMarkers.add(ParseWarning.build(parser, ((SyntaxErrorMessage) message).getCause()));
        } else if (message instanceof ExceptionMessage) {
            warningMarkers.add(ParseWarning.build(parser, ((ExceptionMessage) message).getCause()));
        }
    }

    @Override
    protected void failIfErrors() throws CompilationFailedException {
        // don't fail on phase complete
    }

    public List getWarningMarkers() {
        return warningMarkers;
    }
}