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/***
* ASM: a very small and fast Java bytecode manipulation framework
* Copyright (c) 2000-2005 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 mockit.external.asm;
/**
* A visitor to visit a Java class. The methods of this interface must be called
* in the following order: visit [ visitSource ] [
* visitOuterClass ] ( visitAnnotation |
* visitAttribute )* (visitInnerClass |
* visitField | visitMethod )* visitEnd.
*
* @author Eric Bruneton
*/
public interface ClassVisitor {
/**
* Visits the header of the class.
*
* @param version the class version.
* @param access the class's access flags (see {@link Opcodes}). This
* parameter also indicates if the class is deprecated.
* @param name the internal name of the class (see
* {@link Type#getInternalName() getInternalName}).
* @param signature the signature of this class. May be null if
* the class is not a generic one, and does not extend or implement
* generic classes or interfaces.
* @param superName the internal of name of the super class (see
* {@link Type#getInternalName() getInternalName}). For interfaces,
* the super class is {@link Object}. May be null, but
* only for the {@link Object} class.
* @param interfaces the internal names of the class's interfaces (see
* {@link Type#getInternalName() getInternalName}). May be
* null.
*/
void visit(
int version,
int access,
String name,
String signature,
String superName,
String[] interfaces);
/**
* Visits the source of the class.
*
* @param source the name of the source file from which the class was
* compiled. May be null.
* @param debug additional debug information to compute the correspondance
* between source and compiled elements of the class. May be
* null.
*/
void visitSource(String source, String debug);
/**
* Visits the enclosing class of the class. This method must be called only
* if the class has an enclosing class.
*
* @param owner internal name of the enclosing class of the class.
* @param name the name of the method that contains the class, or
* null if the class is not enclosed in a method of its
* enclosing class.
* @param desc the descriptor of the method that contains the class, or
* null if the class is not enclosed in a method of its
* enclosing class.
*/
void visitOuterClass(String owner, String name, String desc);
/**
* Visits an annotation of the class.
*
* @param desc the class descriptor of the annotation class.
* @param visible true if the annotation is visible at runtime.
* @return a non null visitor to visit the annotation values.
*/
AnnotationVisitor visitAnnotation(String desc, boolean visible);
/**
* Visits a non standard attribute of the class.
*
* @param attr an attribute.
*/
void visitAttribute(Attribute attr);
/**
* Visits information about an inner class. This inner class is not
* necessarily a member of the class being visited.
*
* @param name the internal name of an inner class (see
* {@link Type#getInternalName() getInternalName}).
* @param outerName the internal name of the class to which the inner class
* belongs (see {@link Type#getInternalName() getInternalName}). May
* be null.
* @param innerName the (simple) name of the inner class inside its
* enclosing class. May be null for anonymous inner
* classes.
* @param access the access flags of the inner class as originally declared
* in the enclosing class.
*/
void visitInnerClass(
String name,
String outerName,
String innerName,
int access);
/**
* Visits a field of the class.
*
* @param access the field's access flags (see {@link Opcodes}). This
* parameter also indicates if the field is synthetic and/or
* deprecated.
* @param name the field's name.
* @param desc the field's descriptor (see {@link Type Type}).
* @param signature the field's signature. May be null if the
* field's type does not use generic types.
* @param value the field's initial value. This parameter, which may be
* null if the field does not have an initial value, must
* be an {@link Integer}, a {@link Float}, a {@link Long}, a
* {@link Double} or a {@link String} (for int,
* float, long or String fields
* respectively). This parameter is only used for static fields.
* Its value is ignored for non static fields, which must be
* initialized through bytecode instructions in constructors or
* methods.
* @return a visitor to visit field annotations and attributes, or
* null if this class visitor is not interested in
* visiting these annotations and attributes.
*/
FieldVisitor visitField(
int access,
String name,
String desc,
String signature,
Object value);
/**
* Visits a method of the class. This method must return a new
* {@link MethodVisitor} instance (or null) each time it is
* called, i.e., it should not return a previously returned visitor.
*
* @param access the method's access flags (see {@link Opcodes}). This
* parameter also indicates if the method is synthetic and/or
* deprecated.
* @param name the method's name.
* @param desc the method's descriptor (see {@link Type Type}).
* @param signature the method's signature. May be null if the
* method parameters, return type and exceptions do not use generic
* types.
* @param exceptions the internal names of the method's exception classes
* (see {@link Type#getInternalName() getInternalName}). May be
* null.
* @return an object to visit the byte code of the method, or null
* if this class visitor is not interested in visiting the code of
* this method.
*/
MethodVisitor visitMethod(
int access,
String name,
String desc,
String signature,
String[] exceptions);
/**
* Visits the end of the class. This method, which is the last one to be
* called, is used to inform the visitor that all the fields and methods of
* the class have been visited.
*/
void visitEnd();
}
