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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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package org.jf.smalidea.dexlib;

import org.jf.dexlib2.base.BaseExceptionHandler;
import org.jf.smalidea.psi.impl.SmaliCatchStatement;
import org.jf.smalidea.psi.impl.SmaliClassTypeElement;
import org.jf.smalidea.psi.impl.SmaliLabel;
import org.jf.smalidea.psi.impl.SmaliLabelReference;

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

public class SmalideaExceptionHandler extends BaseExceptionHandler {
    @Nonnull private final SmaliCatchStatement catchStatement;

    public SmalideaExceptionHandler(@Nonnull SmaliCatchStatement catchStatement) {
        this.catchStatement = catchStatement;
    }

    @Nullable @Override public String getExceptionType() {
        SmaliClassTypeElement exceptionType = catchStatement.getExceptionType();
        if (exceptionType == null) {
            return null;
        }
        return exceptionType.getText();
    }

    @Override public int getHandlerCodeAddress() {
        SmaliLabelReference handlerLabel = catchStatement.getHandlerLabel();
        // TODO: how to handle a reference to a non-existent label..
        SmaliLabel smaliLabel = handlerLabel.resolve();
        return smaliLabel.getOffset() / 2;
    }
}
