mirror of
https://github.com/2006-Scape/Parabot.git
synced 2026-07-03 08:39:09 +00:00
Moved to Maven
This commit is contained in:
JKetelaar
@@ -0,0 +1,329 @@
|
||||
/***
|
||||
* 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;
|
||||
|
||||
/**
|
||||
* An {@link FieldVisitor} that generates Java fields in bytecode form.
|
||||
*
|
||||
* @author Eric Bruneton
|
||||
*/
|
||||
final class FieldWriter extends FieldVisitor {
|
||||
|
||||
/**
|
||||
* The class writer to which this field must be added.
|
||||
*/
|
||||
private final ClassWriter cw;
|
||||
|
||||
/**
|
||||
* Access flags of this field.
|
||||
*/
|
||||
private final int access;
|
||||
|
||||
/**
|
||||
* The index of the constant pool item that contains the name of this
|
||||
* method.
|
||||
*/
|
||||
private final int name;
|
||||
|
||||
/**
|
||||
* The index of the constant pool item that contains the descriptor of this
|
||||
* field.
|
||||
*/
|
||||
private final int desc;
|
||||
|
||||
/**
|
||||
* The index of the constant pool item that contains the signature of this
|
||||
* field.
|
||||
*/
|
||||
private int signature;
|
||||
|
||||
/**
|
||||
* The index of the constant pool item that contains the constant value of
|
||||
* this field.
|
||||
*/
|
||||
private int value;
|
||||
|
||||
/**
|
||||
* The runtime visible annotations of this field. May be <tt>null</tt>.
|
||||
*/
|
||||
private AnnotationWriter anns;
|
||||
|
||||
/**
|
||||
* The runtime invisible annotations of this field. May be <tt>null</tt>.
|
||||
*/
|
||||
private AnnotationWriter ianns;
|
||||
|
||||
/**
|
||||
* The runtime visible type annotations of this field. May be <tt>null</tt>.
|
||||
*/
|
||||
private AnnotationWriter tanns;
|
||||
|
||||
/**
|
||||
* The runtime invisible type annotations of this field. May be
|
||||
* <tt>null</tt>.
|
||||
*/
|
||||
private AnnotationWriter itanns;
|
||||
|
||||
/**
|
||||
* The non standard attributes of this field. May be <tt>null</tt>.
|
||||
*/
|
||||
private Attribute attrs;
|
||||
|
||||
// ------------------------------------------------------------------------
|
||||
// Constructor
|
||||
// ------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Constructs a new {@link FieldWriter}.
|
||||
*
|
||||
* @param cw
|
||||
* the class writer to which this field must be added.
|
||||
* @param access
|
||||
* the field's access flags (see {@link Opcodes}).
|
||||
* @param name
|
||||
* the field's name.
|
||||
* @param desc
|
||||
* the field's descriptor (see {@link Type}).
|
||||
* @param signature
|
||||
* the field's signature. May be <tt>null</tt>.
|
||||
* @param value
|
||||
* the field's constant value. May be <tt>null</tt>.
|
||||
*/
|
||||
FieldWriter(final ClassWriter cw, final int access, final String name,
|
||||
final String desc, final String signature, final Object value) {
|
||||
super(Opcodes.ASM5);
|
||||
if (cw.firstField == null) {
|
||||
cw.firstField = this;
|
||||
} else {
|
||||
cw.lastField.fv = this;
|
||||
}
|
||||
cw.lastField = this;
|
||||
this.cw = cw;
|
||||
this.access = access;
|
||||
this.name = cw.newUTF8(name);
|
||||
this.desc = cw.newUTF8(desc);
|
||||
if (ClassReader.SIGNATURES && signature != null) {
|
||||
this.signature = cw.newUTF8(signature);
|
||||
}
|
||||
if (value != null) {
|
||||
this.value = cw.newConstItem(value).index;
|
||||
}
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------
|
||||
// Implementation of the FieldVisitor abstract class
|
||||
// ------------------------------------------------------------------------
|
||||
|
||||
@Override
|
||||
public AnnotationVisitor visitAnnotation(final String desc,
|
||||
final boolean visible) {
|
||||
if (!ClassReader.ANNOTATIONS) {
|
||||
return null;
|
||||
}
|
||||
ByteVector bv = new ByteVector();
|
||||
// write type, and reserve space for values count
|
||||
bv.putShort(cw.newUTF8(desc)).putShort(0);
|
||||
AnnotationWriter aw = new AnnotationWriter(cw, true, bv, bv, 2);
|
||||
if (visible) {
|
||||
aw.next = anns;
|
||||
anns = aw;
|
||||
} else {
|
||||
aw.next = ianns;
|
||||
ianns = aw;
|
||||
}
|
||||
return aw;
|
||||
}
|
||||
|
||||
@Override
|
||||
public AnnotationVisitor visitTypeAnnotation(final int typeRef,
|
||||
final TypePath typePath, final String desc, final boolean visible) {
|
||||
if (!ClassReader.ANNOTATIONS) {
|
||||
return null;
|
||||
}
|
||||
ByteVector bv = new ByteVector();
|
||||
// write target_type and target_info
|
||||
AnnotationWriter.putTarget(typeRef, typePath, bv);
|
||||
// write type, and reserve space for values count
|
||||
bv.putShort(cw.newUTF8(desc)).putShort(0);
|
||||
AnnotationWriter aw = new AnnotationWriter(cw, true, bv, bv,
|
||||
bv.length - 2);
|
||||
if (visible) {
|
||||
aw.next = tanns;
|
||||
tanns = aw;
|
||||
} else {
|
||||
aw.next = itanns;
|
||||
itanns = aw;
|
||||
}
|
||||
return aw;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitAttribute(final Attribute attr) {
|
||||
attr.next = attrs;
|
||||
attrs = attr;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visitEnd() {
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------------
|
||||
// Utility methods
|
||||
// ------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Returns the size of this field.
|
||||
*
|
||||
* @return the size of this field.
|
||||
*/
|
||||
int getSize() {
|
||||
int size = 8;
|
||||
if (value != 0) {
|
||||
cw.newUTF8("ConstantValue");
|
||||
size += 8;
|
||||
}
|
||||
if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
|
||||
if ((cw.version & 0xFFFF) < Opcodes.V1_5
|
||||
|| (access & ClassWriter.ACC_SYNTHETIC_ATTRIBUTE) != 0) {
|
||||
cw.newUTF8("Synthetic");
|
||||
size += 6;
|
||||
}
|
||||
}
|
||||
if ((access & Opcodes.ACC_DEPRECATED) != 0) {
|
||||
cw.newUTF8("Deprecated");
|
||||
size += 6;
|
||||
}
|
||||
if (ClassReader.SIGNATURES && signature != 0) {
|
||||
cw.newUTF8("Signature");
|
||||
size += 8;
|
||||
}
|
||||
if (ClassReader.ANNOTATIONS && anns != null) {
|
||||
cw.newUTF8("RuntimeVisibleAnnotations");
|
||||
size += 8 + anns.getSize();
|
||||
}
|
||||
if (ClassReader.ANNOTATIONS && ianns != null) {
|
||||
cw.newUTF8("RuntimeInvisibleAnnotations");
|
||||
size += 8 + ianns.getSize();
|
||||
}
|
||||
if (ClassReader.ANNOTATIONS && tanns != null) {
|
||||
cw.newUTF8("RuntimeVisibleTypeAnnotations");
|
||||
size += 8 + tanns.getSize();
|
||||
}
|
||||
if (ClassReader.ANNOTATIONS && itanns != null) {
|
||||
cw.newUTF8("RuntimeInvisibleTypeAnnotations");
|
||||
size += 8 + itanns.getSize();
|
||||
}
|
||||
if (attrs != null) {
|
||||
size += attrs.getSize(cw, null, 0, -1, -1);
|
||||
}
|
||||
return size;
|
||||
}
|
||||
|
||||
/**
|
||||
* Puts the content of this field into the given byte vector.
|
||||
*
|
||||
* @param out
|
||||
* where the content of this field must be put.
|
||||
*/
|
||||
void put(final ByteVector out) {
|
||||
final int FACTOR = ClassWriter.TO_ACC_SYNTHETIC;
|
||||
int mask = Opcodes.ACC_DEPRECATED | ClassWriter.ACC_SYNTHETIC_ATTRIBUTE
|
||||
| ((access & ClassWriter.ACC_SYNTHETIC_ATTRIBUTE) / FACTOR);
|
||||
out.putShort(access & ~mask).putShort(name).putShort(desc);
|
||||
int attributeCount = 0;
|
||||
if (value != 0) {
|
||||
++attributeCount;
|
||||
}
|
||||
if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
|
||||
if ((cw.version & 0xFFFF) < Opcodes.V1_5
|
||||
|| (access & ClassWriter.ACC_SYNTHETIC_ATTRIBUTE) != 0) {
|
||||
++attributeCount;
|
||||
}
|
||||
}
|
||||
if ((access & Opcodes.ACC_DEPRECATED) != 0) {
|
||||
++attributeCount;
|
||||
}
|
||||
if (ClassReader.SIGNATURES && signature != 0) {
|
||||
++attributeCount;
|
||||
}
|
||||
if (ClassReader.ANNOTATIONS && anns != null) {
|
||||
++attributeCount;
|
||||
}
|
||||
if (ClassReader.ANNOTATIONS && ianns != null) {
|
||||
++attributeCount;
|
||||
}
|
||||
if (ClassReader.ANNOTATIONS && tanns != null) {
|
||||
++attributeCount;
|
||||
}
|
||||
if (ClassReader.ANNOTATIONS && itanns != null) {
|
||||
++attributeCount;
|
||||
}
|
||||
if (attrs != null) {
|
||||
attributeCount += attrs.getCount();
|
||||
}
|
||||
out.putShort(attributeCount);
|
||||
if (value != 0) {
|
||||
out.putShort(cw.newUTF8("ConstantValue"));
|
||||
out.putInt(2).putShort(value);
|
||||
}
|
||||
if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
|
||||
if ((cw.version & 0xFFFF) < Opcodes.V1_5
|
||||
|| (access & ClassWriter.ACC_SYNTHETIC_ATTRIBUTE) != 0) {
|
||||
out.putShort(cw.newUTF8("Synthetic")).putInt(0);
|
||||
}
|
||||
}
|
||||
if ((access & Opcodes.ACC_DEPRECATED) != 0) {
|
||||
out.putShort(cw.newUTF8("Deprecated")).putInt(0);
|
||||
}
|
||||
if (ClassReader.SIGNATURES && signature != 0) {
|
||||
out.putShort(cw.newUTF8("Signature"));
|
||||
out.putInt(2).putShort(signature);
|
||||
}
|
||||
if (ClassReader.ANNOTATIONS && anns != null) {
|
||||
out.putShort(cw.newUTF8("RuntimeVisibleAnnotations"));
|
||||
anns.put(out);
|
||||
}
|
||||
if (ClassReader.ANNOTATIONS && ianns != null) {
|
||||
out.putShort(cw.newUTF8("RuntimeInvisibleAnnotations"));
|
||||
ianns.put(out);
|
||||
}
|
||||
if (ClassReader.ANNOTATIONS && tanns != null) {
|
||||
out.putShort(cw.newUTF8("RuntimeVisibleTypeAnnotations"));
|
||||
tanns.put(out);
|
||||
}
|
||||
if (ClassReader.ANNOTATIONS && itanns != null) {
|
||||
out.putShort(cw.newUTF8("RuntimeInvisibleTypeAnnotations"));
|
||||
itanns.put(out);
|
||||
}
|
||||
if (attrs != null) {
|
||||
attrs.put(cw, null, 0, -1, -1, out);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user