Examples of org.objectweb.asm.signature.SignatureVisitor

org.objectweb.asm.signature.SignatureVisitor
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 {@link SignatureVisitor} that is returned by a method of thisinterface):
- ClassSignature = ( visitFormalTypeParameter visitClassBound? visitInterfaceBound* )* ( visitSuperClass visitInterface* )
- MethodSignature = ( visitFormalTypeParameter visitClassBound? visitInterfaceBound* )* ( visitParameterType visitReturnType visitExceptionType* )
- TypeSignature = visitBaseType | visitTypeVariable | visitArrayType | ( visitClassType visitTypeArgument* ( visitInnerClassType visitTypeArgument* ) visitEnd ) )
@author Thomas Hallgren @author Eric Bruneton


    public SignatureVisitor visitExceptionType() {
        if (state != RETURN) {
            throw new IllegalStateException();
        }
        SignatureVisitor v = sv == null ? null : sv.visitExceptionType();
        return new CheckSignatureAdapter(TYPE_SIGNATURE, v);
    }

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    public SignatureVisitor visitArrayType() {
        if (type != TYPE_SIGNATURE || state != EMPTY) {
            throw new IllegalStateException();
        }
        state = SIMPLE_TYPE;
        SignatureVisitor v = sv == null ? null : sv.visitArrayType();
        return new CheckSignatureAdapter(TYPE_SIGNATURE, v);
    }

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            throw new IllegalStateException();
        }
        if ("+-=".indexOf(wildcard) == -1) {
            throw new IllegalArgumentException();
        }
        SignatureVisitor v = sv == null ? null : sv.visitTypeArgument(wildcard);
        return new CheckSignatureAdapter(TYPE_SIGNATURE, v);
    }

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 */
public final class Signatures {


  public static String getClassSignature(TypeToken<?> interfaceType) {
    SignatureWriter signWriter = new SignatureWriter();
    SignatureVisitor sv = signWriter.visitSuperclass();
    sv.visitClassType(Type.getInternalName(Object.class));
    sv.visitEnd();


    SignatureVisitor interfaceVisitor = sv.visitInterface();
    interfaceVisitor.visitClassType(Type.getInternalName(interfaceType.getRawType()));


    if (interfaceType.getType() instanceof ParameterizedType) {
      for (java.lang.reflect.Type paramType : ((ParameterizedType) interfaceType.getType()).getActualTypeArguments()) {
        interfaceVisitor.visitTypeArgument(SignatureVisitor.INSTANCEOF);
        visitTypeSignature(interfaceType.resolveType(paramType), interfaceVisitor);
      }
    }


    sv.visitEnd();

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    SignatureWriter signWriter = new SignatureWriter();


    Type[] argumentTypes = method.getArgumentTypes();


    for (int i = 0; i < argumentTypes.length; i++) {
      SignatureVisitor sv = signWriter.visitParameterType();
      if (types[i] != null) {
        visitTypeSignature(types[i], sv);
      } else {
        sv.visitClassType(argumentTypes[i].getInternalName());
        sv.visitEnd();
      }
    }


    signWriter.visitReturnType().visitBaseType('V');

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   * @return the getter signature {@code <T> T get(Object object)}
   */
  private String getterSignature() {
    SignatureWriter writer = new SignatureWriter();
    writer.visitFormalTypeParameter("T");
    SignatureVisitor sv = writer.visitClassBound();
    sv.visitClassType(Type.getInternalName(Object.class));
    sv.visitEnd();


    sv = writer.visitParameterType();
    sv.visitClassType(Type.getInternalName(Object.class));
    sv.visitEnd();


    sv = sv.visitReturnType();
    sv.visitTypeVariable("T");


    return writer.toString();
  }

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   * @return the setter signature {@code <T> void set(Object object, T value)}
   */
  private String setterSignature() {
    SignatureWriter writer = new SignatureWriter();
    writer.visitFormalTypeParameter("T");
    SignatureVisitor sv = writer.visitClassBound();
    sv.visitClassType(Type.getInternalName(Object.class));
    sv.visitEnd();


    sv = writer.visitParameterType();
    sv.visitClassType(Type.getInternalName(Object.class));
    sv.visitEnd();


    sv = writer.visitParameterType();
    sv.visitTypeVariable("T");


    sv.visitReturnType().visitBaseType('V');


    return writer.toString();
  }

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    public SignatureVisitor visitClassBound() {
        if (state != FORMAL) {
            throw new IllegalStateException();
        }
        state = BOUND;
        SignatureVisitor v = sv == null ? null : sv.visitClassBound();
        return new CheckSignatureAdapter(TYPE_SIGNATURE, v);
    }

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    @Override
    public SignatureVisitor visitInterfaceBound() {
        if (state != FORMAL && state != BOUND) {
            throw new IllegalArgumentException();
        }
        SignatureVisitor v = sv == null ? null : sv.visitInterfaceBound();
        return new CheckSignatureAdapter(TYPE_SIGNATURE, v);
    }

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    public SignatureVisitor visitSuperclass() {
        if (type != CLASS_SIGNATURE || (state & (EMPTY | FORMAL | BOUND)) == 0) {
            throw new IllegalArgumentException();
        }
        state = SUPER;
        SignatureVisitor v = sv == null ? null : sv.visitSuperclass();
        return new CheckSignatureAdapter(TYPE_SIGNATURE, v);
    }

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