/*

 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package jdk.vm.ci.code;

import jdk.vm.ci.meta.ResolvedJavaMethod;

/**

 * Represents a request to compile a method.

 */

public class CompilationRequest {

    private final ResolvedJavaMethod method;

    private final int entryBCI;

    /**

     * Creates a request to compile a method starting at its entry point.

     *

     * @param method the method to be compiled

     */

    public CompilationRequest(ResolvedJavaMethod method) {

        this(method, -1);

    }

    /**

     * Creates a request to compile a method starting at a given BCI.

     *

     * @param method the method to be compiled

     * @param entryBCI the bytecode index (BCI) at which to start compiling where -1 denotes the

     *            method's entry point

     */

    public CompilationRequest(ResolvedJavaMethod method, int entryBCI) {

        assert method != null;

        this.method = method;

        this.entryBCI = entryBCI;

    }

    /**

     * Gets the method to be compiled.

     */

    public ResolvedJavaMethod getMethod() {

        return method;

    }

    /**

     * Gets the bytecode index (BCI) at which to start compiling where -1 denotes a non-OSR

     * compilation request and all other values denote an on stack replacement (OSR) compilation

     * request.

     */

    public int getEntryBCI() {

        return entryBCI;

    }

    @Override

    public String toString() {

        return method.format("%H.%n(%p)@" + entryBCI);

    }

}