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ASM, a very small and fast Java bytecode manipulation framework
/***
* 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 org.objectweb.asm.optimizer;
import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.Attribute;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.FieldVisitor;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.TypePath;
/**
* A {@link ClassVisitor} that collects the {@link Constant}s of the classes it
* visits.
*
* @author Eric Bruneton
*/
public class ClassConstantsCollector extends ClassVisitor {
private final ConstantPool cp;
public ClassConstantsCollector(final ClassVisitor cv, final ConstantPool cp) {
super(Opcodes.ASM5, cv);
this.cp = cp;
}
@Override
public void visit(final int version, final int access, final String name,
final String signature, final String superName,
final String[] interfaces) {
if ((access & Opcodes.ACC_DEPRECATED) != 0) {
cp.newUTF8("Deprecated");
}
if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
cp.newUTF8("Synthetic");
}
cp.newClass(name);
if (signature != null) {
cp.newUTF8("Signature");
cp.newUTF8(signature);
}
if (superName != null) {
cp.newClass(superName);
}
if (interfaces != null) {
for (int i = 0; i < interfaces.length; ++i) {
cp.newClass(interfaces[i]);
}
}
cv.visit(version, access, name, signature, superName, interfaces);
}
@Override
public void visitSource(final String source, final String debug) {
if (source != null) {
cp.newUTF8("SourceFile");
cp.newUTF8(source);
}
if (debug != null) {
cp.newUTF8("SourceDebugExtension");
}
cv.visitSource(source, debug);
}
@Override
public void visitOuterClass(final String owner, final String name,
final String desc) {
cp.newUTF8("EnclosingMethod");
cp.newClass(owner);
if (name != null && desc != null) {
cp.newNameType(name, desc);
}
cv.visitOuterClass(owner, name, desc);
}
@Override
public AnnotationVisitor visitAnnotation(final String desc,
final boolean visible) {
cp.newUTF8(desc);
if (visible) {
cp.newUTF8("RuntimeVisibleAnnotations");
} else {
cp.newUTF8("RuntimeInvisibleAnnotations");
}
return new AnnotationConstantsCollector(cv.visitAnnotation(desc,
visible), cp);
}
@Override
public AnnotationVisitor visitTypeAnnotation(int typeRef,
TypePath typePath, String desc, boolean visible) {
cp.newUTF8(desc);
if (visible) {
cp.newUTF8("RuntimeVisibleTypeAnnotations");
} else {
cp.newUTF8("RuntimeInvisibleTypeAnnotations");
}
return new AnnotationConstantsCollector(cv.visitAnnotation(desc,
visible), cp);
}
@Override
public void visitAttribute(final Attribute attr) {
// can do nothing
cv.visitAttribute(attr);
}
@Override
public void visitInnerClass(final String name, final String outerName,
final String innerName, final int access) {
cp.newUTF8("InnerClasses");
if (name != null) {
cp.newClass(name);
}
if (outerName != null) {
cp.newClass(outerName);
}
if (innerName != null) {
cp.newUTF8(innerName);
}
cv.visitInnerClass(name, outerName, innerName, access);
}
@Override
public FieldVisitor visitField(final int access, final String name,
final String desc, final String signature, final Object value) {
if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
cp.newUTF8("Synthetic");
}
if ((access & Opcodes.ACC_DEPRECATED) != 0) {
cp.newUTF8("Deprecated");
}
cp.newUTF8(name);
cp.newUTF8(desc);
if (signature != null) {
cp.newUTF8("Signature");
cp.newUTF8(signature);
}
if (value != null) {
cp.newConst(value);
}
return new FieldConstantsCollector(cv.visitField(access, name, desc,
signature, value), cp);
}
@Override
public MethodVisitor visitMethod(final int access, final String name,
final String desc, final String signature, final String[] exceptions) {
if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
cp.newUTF8("Synthetic");
}
if ((access & Opcodes.ACC_DEPRECATED) != 0) {
cp.newUTF8("Deprecated");
}
cp.newUTF8(name);
cp.newUTF8(desc);
if (signature != null) {
cp.newUTF8("Signature");
cp.newUTF8(signature);
}
if (exceptions != null) {
cp.newUTF8("Exceptions");
for (int i = 0; i < exceptions.length; ++i) {
cp.newClass(exceptions[i]);
}
}
return new MethodConstantsCollector(cv.visitMethod(access, name, desc,
signature, exceptions), cp);
}
}