| /* |
| * Copyright (c) 2013, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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 com.sun.tools.javac.comp; |
| |
| import java.util.HashMap; |
| |
| import com.sun.tools.javac.util.Context; |
| |
| /** Partial map to record which compiler phases have been executed |
| * for each compilation unit. Used for ATTR and FLOW phases. |
| * |
| * <p><b>This is NOT part of any supported API. |
| * If you write code that depends on this, you do so at your own risk. |
| * This code and its internal interfaces are subject to change or |
| * deletion without notice.</b> |
| */ |
| public class CompileStates extends HashMap<Env<AttrContext>, CompileStates.CompileState> { |
| /** The context key for the compile states. */ |
| protected static final Context.Key<CompileStates> compileStatesKey = new Context.Key<>(); |
| |
| /** Get the CompileStates instance for this context. */ |
| public static CompileStates instance(Context context) { |
| CompileStates instance = context.get(compileStatesKey); |
| if (instance == null) { |
| instance = new CompileStates(context); |
| } |
| return instance; |
| } |
| |
| /** Ordered list of compiler phases for each compilation unit. */ |
| public enum CompileState { |
| INIT(0), |
| PARSE(1), |
| ENTER(2), |
| PROCESS(3), |
| ATTR(4), |
| FLOW(5), |
| TRANSTYPES(6), |
| UNLAMBDA(7), |
| LOWER(8), |
| GENERATE(9); |
| |
| CompileState(int value) { |
| this.value = value; |
| } |
| public boolean isAfter(CompileState other) { |
| return value > other.value; |
| } |
| public static CompileState max(CompileState a, CompileState b) { |
| return a.value > b.value ? a : b; |
| } |
| private final int value; |
| } |
| |
| private static final long serialVersionUID = 1812267524140424433L; |
| |
| protected Context context; |
| |
| public CompileStates(Context context) { |
| this.context = context; |
| context.put(compileStatesKey, this); |
| } |
| |
| public boolean isDone(Env<AttrContext> env, CompileState cs) { |
| CompileState ecs = get(env); |
| return (ecs != null) && !cs.isAfter(ecs); |
| } |
| } |