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Java example source code file (CompileUnit.java)
The CompileUnit.java Java example source code/* * Copyright (c) 2010, 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 jdk.nashorn.internal.codegen; /** * Used to track split class compilation. */ public class CompileUnit implements Comparable<CompileUnit> { /** Current class name */ private final String className; /** Current class generator */ private ClassEmitter classEmitter; private long weight; private Class<?> clazz; CompileUnit(final String className, final ClassEmitter classEmitter) { this(className, classEmitter, 0L); } CompileUnit(final String className, final ClassEmitter classEmitter, final long initialWeight) { this.className = className; this.classEmitter = classEmitter; this.weight = initialWeight; } /** * Return the class that contains the code for this unit, null if not * generated yet * * @return class with compile unit code */ public Class<?> getCode() { return clazz; } /** * Set class when it exists. Only accessible from compiler * @param clazz class with code for this compile unit */ void setCode(final Class<?> clazz) { clazz.getClass(); // null check this.clazz = clazz; // Revisit this - refactor to avoid null-ed out non-final fields // null out emitter this.classEmitter = null; } /** * Add weight to this compile unit * @param w weight to add */ void addWeight(final long w) { this.weight += w; } /** * Get the current weight of the compile unit. * @return the unit's weight */ long getWeight() { return weight; } /** * Check if this compile unit can hold {@code weight} more units of weight * @param w weight to check if can be added * @return true if weight fits in this compile unit */ public boolean canHold(final long w) { return (this.weight + w) < Splitter.SPLIT_THRESHOLD; } /** * Get the class emitter for this compile unit * @return class emitter */ public ClassEmitter getClassEmitter() { return classEmitter; } /** * Get the class name for this compile unit * @return the class name */ public String getUnitClassName() { return className; } @Override public String toString() { return "[classname=" + className + " weight=" + weight + '/' + Splitter.SPLIT_THRESHOLD + ']'; } @Override public int compareTo(CompileUnit o) { return className.compareTo(o.className); } } Other Java examples (source code examples)Here is a short list of links related to this Java CompileUnit.java source code file: |
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