| /* |
| * Copyright (c) 2014, 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.hotspot; |
| |
| /** |
| * An empty implementation for {@link EventProvider}. This implementation is used when no logging is |
| * requested. |
| */ |
| final class EmptyEventProvider implements EventProvider { |
| |
| static InternalError shouldNotReachHere() { |
| throw new InternalError("should not reach here"); |
| } |
| |
| @Override |
| public CompilationEvent newCompilationEvent() { |
| return new EmptyCompilationEvent(); |
| } |
| |
| static class EmptyCompilationEvent implements CompilationEvent { |
| public void commit() { |
| throw shouldNotReachHere(); |
| } |
| |
| public boolean shouldWrite() { |
| // Events of this class should never been written. |
| return false; |
| } |
| |
| public void begin() { |
| } |
| |
| public void end() { |
| } |
| |
| public void setMethod(String method) { |
| throw shouldNotReachHere(); |
| } |
| |
| public void setCompileId(int compileId) { |
| throw shouldNotReachHere(); |
| } |
| |
| public void setCompileLevel(int compileLevel) { |
| throw shouldNotReachHere(); |
| } |
| |
| public void setSucceeded(boolean succeeded) { |
| throw shouldNotReachHere(); |
| } |
| |
| public void setIsOsr(boolean isOsr) { |
| throw shouldNotReachHere(); |
| } |
| |
| public void setCodeSize(int codeSize) { |
| throw shouldNotReachHere(); |
| } |
| |
| public void setInlinedBytes(int inlinedBytes) { |
| throw shouldNotReachHere(); |
| } |
| } |
| |
| @Override |
| public CompilerFailureEvent newCompilerFailureEvent() { |
| return new EmptyCompilerFailureEvent(); |
| } |
| |
| static class EmptyCompilerFailureEvent implements CompilerFailureEvent { |
| public void commit() { |
| throw shouldNotReachHere(); |
| } |
| |
| public boolean shouldWrite() { |
| // Events of this class should never been written. |
| return false; |
| } |
| |
| public void setCompileId(int compileId) { |
| throw shouldNotReachHere(); |
| } |
| |
| public void setMessage(String message) { |
| throw shouldNotReachHere(); |
| } |
| } |
| |
| } |