org.eclipse.jdt.core.util.IMethodInfo.java Source code

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Here is the source code for org.eclipse.jdt.core.util.IMethodInfo.java

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/*******************************************************************************
 * Copyright (c) 2000, 2009 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.core.util;

/**
 * Description of a method info as described in the JVM
 * specifications.
 *
 * This interface may be implemented by clients.
 *
 * @since 2.0
 */
public interface IMethodInfo {

    /**
     * Answer back the method descriptor of this method info as specified
     * in the JVM specifications.
     *
     * @return the method descriptor of this method info as specified
     * in the JVM specifications
     */
    char[] getDescriptor();

    /**
     * Answer back the descriptor index of this method info.
     *
     * @return the descriptor index of this method info
     */
    int getDescriptorIndex();

    /**
     * Answer back the access flags of this method info as specified
     * in the JVM specifications.
     *
     * @return the access flags of this method info as specified
     * in the JVM specifications
     */
    int getAccessFlags();

    /**
     * Answer back the name of this method info as specified
     * in the JVM specifications.
     *
     * @return the name of this method info as specified
     * in the JVM specifications
     */
    char[] getName();

    /**
     * Answer back the name index of this method info.
     *
     * @return the name index of this method info
     */
    int getNameIndex();

    /**
     * Answer true if this method info represents a <clinit> method,
     * false otherwise.
     *
     * @return true if this method info represents a <clinit> method,
     * false otherwise
     */
    boolean isClinit();

    /**
     * Answer true if this method info represents a constructor,
     * false otherwise.
     *
     * @return true if this method info represents a constructor,
     * false otherwise
     */
    boolean isConstructor();

    /**
     * Return true if the method info is synthetic according to the JVM specification, false otherwise.
     * <p>Note that prior to JDK 1.5, synthetic fields were always marked using
     * an attribute; with 1.5, synthetic fields can also be marked using
     * the {@link IModifierConstants#ACC_SYNTHETIC} flag.
     * </p>
     *
     * @return true if the method info is synthetic according to the JVM specification, false otherwise
     */
    boolean isSynthetic();

    /**
     * Answer true if this method info has a deprecated attribute,
     * false otherwise.
     *
     * @return true if this method info has a deprecated attribute,
     * false otherwise
     */
    boolean isDeprecated();

    /**
     * Answer the code attribute of this method info, null if none or if the decoding
     * flag doesn't include METHOD_BODIES.
     *
     * @return the code attribute of this method info, null if none or if the decoding
     * flag doesn't include METHOD_BODIES
     */
    ICodeAttribute getCodeAttribute();

    /**
     * Answer the exception attribute of this method info, null is none.
     *
     *    @return the exception attribute of this method info, null is none
     */
    IExceptionAttribute getExceptionAttribute();

    /**
     * Answer back the attribute number of the method info. It includes the CodeAttribute
     * if any even if the decoding flags doesn't include METHOD_BODIES.
     *
     * @return the attribute number of the method info. It includes the CodeAttribute
     * if any even if the decoding flags doesn't include METHOD_BODIES
     */
    int getAttributeCount();

    /**
     * Answer back the collection of all attributes of the method info. It
     * includes SyntheticAttribute, CodeAttributes, etc. It doesn't include the
     * CodeAttribute if the decoding flags doesn't include METHOD_BODIES.
     * Returns an empty collection if none.
     *
     * @return the collection of all attributes of the method info. It
     * includes SyntheticAttribute, CodeAttributes, etc. It doesn't include the
     * CodeAttribute if the decoding flags doesn't include METHOD_BODIES.
     * Returns an empty collection if none
     */
    IClassFileAttribute[] getAttributes();
}