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ASM: a very small and fast Java bytecode manipulation framework Copyright (c) 2000-2007 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.signature;

A visitor to visit a generic signature. The methods of this interface must be called in one of the three following orders (the last one is the only valid order for a SignatureVisitor that is returned by a method of this interface):
  • ClassSignature = ( visitFormalTypeParameter visitClassBound? visitInterfaceBound* )* ( visitSuperClass visitInterface* )
  • MethodSignature = ( visitFormalTypeParameter visitClassBound? visitInterfaceBound* )* ( visitParameterType* visitReturnType visitExceptionType* )
  • TypeSignature = visitBaseType | visitTypeVariable | visitArrayType | ( visitClassType visitTypeArgument* ( visitInnerClassType visitTypeArgument* )* visitEnd ) )

Author(s):
Thomas Hallgren
Eric Bruneton
 
 public interface SignatureVisitor {

    
Wildcard for an "extends" type argument.
 
     char EXTENDS = '+';

    
Wildcard for a "super" type argument.
 
     char SUPER = '-';

    
Wildcard for a normal type argument.
 
     char INSTANCEOF = '=';

    
Visits a formal type parameter.

Parameters:
name the name of the formal parameter.
 
     void visitFormalTypeParameter(String name);

    
Visits the class bound of the last visited formal type parameter.

Returns:
a non null visitor to visit the signature of the class bound.
 
     SignatureVisitor visitClassBound();

    
Visits an interface bound of the last visited formal type parameter.

Returns:
a non null visitor to visit the signature of the interface bound.
 
Visits the type of the super class.

Returns:
a non null visitor to visit the signature of the super class type.
 
     SignatureVisitor visitSuperclass();

    
Visits the type of an interface implemented by the class.

Returns:
a non null visitor to visit the signature of the interface type.
Visits the type of a method parameter.

Returns:
a non null visitor to visit the signature of the parameter type.
Visits the return type of the method.

Returns:
a non null visitor to visit the signature of the return type.
Visits the type of a method exception.

Returns:
a non null visitor to visit the signature of the exception type.
Visits a signature corresponding to a primitive type.

Parameters:
descriptor the descriptor of the primitive type, or 'V' for void.
    void visitBaseType(char descriptor);

    
Visits a signature corresponding to a type variable.

Parameters:
name the name of the type variable.
    void visitTypeVariable(String name);

    
Visits a signature corresponding to an array type.

Returns:
a non null visitor to visit the signature of the array element type.
Starts the visit of a signature corresponding to a class or interface type.

Parameters:
name the internal name of the class or interface.
    void visitClassType(String name);

    
Visits an inner class.

Parameters:
name the local name of the inner class in its enclosing class.
    void visitInnerClassType(String name);

    
Visits an unbounded type argument of the last visited class or inner class type.
    void visitTypeArgument();

    
Visits a type argument of the last visited class or inner class type.

Parameters:
wildcard '+', '-' or '='.
Returns:
a non null visitor to visit the signature of the type argument.
    SignatureVisitor visitTypeArgument(char wildcard);

    
Ends the visit of a signature corresponding to a class or interface type.
    void visitEnd();
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