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Scala example source code file (CheckFieldAdapter.java)
The CheckFieldAdapter.java Scala example source code/*** * ASM: a very small and fast Java bytecode manipulation framework * Copyright (c) 2000-2011 INRIA, France Telecom * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the copyright holders nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ package scala.tools.asm.util; import scala.tools.asm.AnnotationVisitor; import scala.tools.asm.Attribute; import scala.tools.asm.FieldVisitor; import scala.tools.asm.Opcodes; /** * A {@link FieldVisitor} that checks that its methods are properly used. */ public class CheckFieldAdapter extends FieldVisitor { private boolean end; /** * Constructs a new {@link CheckFieldAdapter}. <i>Subclasses must not use * this constructor</i>. Instead, they must use the * {@link #CheckFieldAdapter(int, FieldVisitor)} version. * * @param fv * the field visitor to which this adapter must delegate calls. */ public CheckFieldAdapter(final FieldVisitor fv) { this(Opcodes.ASM4, fv); } /** * Constructs a new {@link CheckFieldAdapter}. * * @param api * the ASM API version implemented by this visitor. Must be one * of {@link Opcodes#ASM4}. * @param fv * the field visitor to which this adapter must delegate calls. */ protected CheckFieldAdapter(final int api, final FieldVisitor fv) { super(api, fv); } @Override public AnnotationVisitor visitAnnotation(final String desc, final boolean visible) { checkEnd(); CheckMethodAdapter.checkDesc(desc, false); return new CheckAnnotationAdapter(super.visitAnnotation(desc, visible)); } @Override public void visitAttribute(final Attribute attr) { checkEnd(); if (attr == null) { throw new IllegalArgumentException( "Invalid attribute (must not be null)"); } super.visitAttribute(attr); } @Override public void visitEnd() { checkEnd(); end = true; super.visitEnd(); } private void checkEnd() { if (end) { throw new IllegalStateException( "Cannot call a visit method after visitEnd has been called"); } } } Other Scala source code examplesHere is a short list of links related to this Scala CheckFieldAdapter.java source code file: |
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