langtools/src/jdk.jshell/share/classes/jdk/jshell/execution/LoaderDelegate.java
author jlahoda
Tue, 09 May 2017 12:22:15 +0200
changeset 45044 7c50549b7744
parent 43770 a321bed02000
permissions -rw-r--r--
8179531: JShell: fails to provide bytecode for dynamically created lambdas Summary: Adding support for getResource(s) to the JShell's ClassLoader Reviewed-by: psandoz, rfield
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
39807
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
     1
/*
45044
7c50549b7744 8179531: JShell: fails to provide bytecode for dynamically created lambdas
jlahoda
parents: 43770
diff changeset
     2
 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
39807
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
     4
 *
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
     7
 * published by the Free Software Foundation.  Oracle designates this
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
     8
 * particular file as subject to the "Classpath" exception as provided
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
     9
 * by Oracle in the LICENSE file that accompanied this code.
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    10
 *
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    11
 * This code is distributed in the hope that it will be useful, but WITHOUT
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    12
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    13
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    14
 * version 2 for more details (a copy is included in the LICENSE file that
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    15
 * accompanied this code).
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    16
 *
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    17
 * You should have received a copy of the GNU General Public License version
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    18
 * 2 along with this work; if not, write to the Free Software Foundation,
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    19
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    20
 *
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    21
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    22
 * or visit www.oracle.com if you need additional information or have any
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    23
 * questions.
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    24
 */
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    25
package jdk.jshell.execution;
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    26
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    27
import jdk.jshell.spi.ExecutionControl.ClassBytecodes;
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    28
import jdk.jshell.spi.ExecutionControl.ClassInstallException;
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    29
import jdk.jshell.spi.ExecutionControl.EngineTerminationException;
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    30
import jdk.jshell.spi.ExecutionControl.InternalException;
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    31
import jdk.jshell.spi.ExecutionControl.NotImplementedException;
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    32
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    33
/**
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    34
 * This interface specifies the loading specific subset of
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    35
 * {@link jdk.jshell.spi.ExecutionControl}.  For use in encapsulating the
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    36
 * {@link java.lang.ClassLoader} implementation.
43770
a321bed02000 8174762: JShell: @since tags missing
rfield
parents: 43132
diff changeset
    37
 *
a321bed02000 8174762: JShell: @since tags missing
rfield
parents: 43132
diff changeset
    38
 * @since 9
39807
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    39
 */
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    40
public interface LoaderDelegate {
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    41
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    42
    /**
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    43
     * Attempts to load new classes.
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    44
     *
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    45
     * @param cbcs the class name and bytecodes to load
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    46
     * @throws ClassInstallException exception occurred loading the classes,
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    47
     * some or all were not loaded
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    48
     * @throws NotImplementedException if not implemented
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    49
     * @throws EngineTerminationException the execution engine has terminated
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    50
     */
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    51
    void load(ClassBytecodes[] cbcs)
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    52
            throws ClassInstallException, NotImplementedException, EngineTerminationException;
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    53
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    54
    /**
45044
7c50549b7744 8179531: JShell: fails to provide bytecode for dynamically created lambdas
jlahoda
parents: 43770
diff changeset
    55
     * Notify that classes have been redefined.
7c50549b7744 8179531: JShell: fails to provide bytecode for dynamically created lambdas
jlahoda
parents: 43770
diff changeset
    56
     *
7c50549b7744 8179531: JShell: fails to provide bytecode for dynamically created lambdas
jlahoda
parents: 43770
diff changeset
    57
     * @param cbcs the class names and bytecodes that have been redefined
7c50549b7744 8179531: JShell: fails to provide bytecode for dynamically created lambdas
jlahoda
parents: 43770
diff changeset
    58
     */
7c50549b7744 8179531: JShell: fails to provide bytecode for dynamically created lambdas
jlahoda
parents: 43770
diff changeset
    59
    public void classesRedefined(ClassBytecodes[] cbcs);
7c50549b7744 8179531: JShell: fails to provide bytecode for dynamically created lambdas
jlahoda
parents: 43770
diff changeset
    60
7c50549b7744 8179531: JShell: fails to provide bytecode for dynamically created lambdas
jlahoda
parents: 43770
diff changeset
    61
    /**
39807
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    62
     * Adds the path to the execution class path.
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    63
     *
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    64
     * @param path the path to add
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    65
     * @throws EngineTerminationException the execution engine has terminated
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    66
     * @throws InternalException an internal problem occurred
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    67
     */
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    68
    void addToClasspath(String path)
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    69
            throws EngineTerminationException, InternalException;
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    70
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    71
    /**
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    72
     * Finds the class with the specified binary name.
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    73
     *
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    74
     * @param name the binary name of the class
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    75
     * @return the Class Object
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    76
     * @throws ClassNotFoundException if the class could not be found
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    77
     */
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    78
    Class<?> findClass(String name) throws ClassNotFoundException;
ba0ff343d241 8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff changeset
    79
}