@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);
}
@Override
public SignatureVisitor visitExceptionType() {
if (state != RETURN) {
throw new IllegalStateException();
}
SignatureVisitor v = sv == null ? null : sv.visitExceptionType();
return new CheckSignatureAdapter(TYPE_SIGNATURE, v);
}
@Override
public void visitTypeArgument() {
if (state != CLASS_TYPE) {
throw new IllegalStateException();
}
if (sv != null) {
sv.visitTypeArgument();
}
}
@Override
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);
}
@Override
public SignatureVisitor visitParameterType() {
if (type != METHOD_SIGNATURE || (state & (EMPTY | FORMAL | BOUND | PARAM)) == 0) {
throw new IllegalArgumentException();
}
state = PARAM;
SignatureVisitor v = sv == null ? null : sv.visitParameterType();
return new CheckSignatureAdapter(TYPE_SIGNATURE, v);
}
@Override
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);
}
@Override
public SignatureVisitor visitClassBound() {
if (state != FORMAL) {
throw new IllegalStateException();
}
state = BOUND;
SignatureVisitor v = sv == null ? null : sv.visitClassBound();
return new CheckSignatureAdapter(TYPE_SIGNATURE, v);
}
@Override
public void visitEnd() {
if (state != CLASS_TYPE) {
throw new IllegalStateException();
}
state = END;
if (sv != null) {
sv.visitEnd();
}
}
@Override
public void visitInnerClassType(final String name) {
if (state != CLASS_TYPE) {
throw new IllegalStateException();
}
CheckMethodAdapter.checkIdentifier(name, "inner class name");
if (sv != null) {
sv.visitInnerClassType(name);
}
}
@Override
public SignatureVisitor visitTypeArgument(final char wildcard) {
if (state != CLASS_TYPE) {
throw new IllegalStateException();
}
if ("+-=".indexOf(wildcard) == -1) {
throw new IllegalArgumentException();
}
SignatureVisitor v = sv == null ? null : sv.visitTypeArgument(wildcard);
return new CheckSignatureAdapter(TYPE_SIGNATURE, v);
}
@Override
public void visitClassType(final String name) {
if (type != TYPE_SIGNATURE || state != EMPTY) {
throw new IllegalStateException();
}
CheckMethodAdapter.checkInternalName(name, "class name");
state = CLASS_TYPE;
if (sv != null) {
sv.visitClassType(name);
}
}
@Override
public void visitTypeVariable(final String name) {
if (type != TYPE_SIGNATURE || state != EMPTY) {
throw new IllegalStateException();
}
CheckMethodAdapter.checkIdentifier(name, "type variable");
state = SIMPLE_TYPE;
if (sv != null) {
sv.visitTypeVariable(name);
}
}
@Override
public SignatureVisitor visitReturnType() {
if (type != METHOD_SIGNATURE || (state & (EMPTY | FORMAL | BOUND | PARAM)) == 0) {
throw new IllegalArgumentException();
}
state = RETURN;
SignatureVisitor v = sv == null ? null : sv.visitReturnType();
CheckSignatureAdapter cv = new CheckSignatureAdapter(TYPE_SIGNATURE, v);
cv.canBeVoid = true;
return cv;
}
@Override
public void visitFormalTypeParameter(final String name) {
if (type == TYPE_SIGNATURE || (state != EMPTY && state != FORMAL && state != BOUND)) {
throw new IllegalStateException();
}
CheckMethodAdapter.checkIdentifier(name, "formal type parameter");
state = FORMAL;
if (sv != null) {
sv.visitFormalTypeParameter(name);
}
}
@Override
public void visitBaseType(final char descriptor) {
if (type != TYPE_SIGNATURE || state != EMPTY) {
throw new IllegalStateException();
}
if (descriptor == 'V') {
if (!canBeVoid) {
throw new IllegalArgumentException();
}
} else {
if ("ZCBSIFJD".indexOf(descriptor) == -1) {
throw new IllegalArgumentException();
}
}
state = SIMPLE_TYPE;
if (sv != null) {
sv.visitBaseType(descriptor);
}
}