/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#include "precompiled.hpp"

#include "utilities/constantTag.hpp"

#include "utilities/ostream.hpp"

#ifndef PRODUCT

void constantTag::print_on(outputStream* st) const {

  st->print("%s", internal_name());

}

#endif // PRODUCT

BasicType constantTag::basic_type() const {

  switch (_tag) {

    case JVM_CONSTANT_Integer :

      return T_INT;

    case JVM_CONSTANT_Float :

      return T_FLOAT;

    case JVM_CONSTANT_Long :

      return T_LONG;

    case JVM_CONSTANT_Double :

      return T_DOUBLE;

    case JVM_CONSTANT_Class :

    case JVM_CONSTANT_String :

    case JVM_CONSTANT_UnresolvedClass :

    case JVM_CONSTANT_UnresolvedClassInError :

    case JVM_CONSTANT_ClassIndex :

    case JVM_CONSTANT_StringIndex :

    case JVM_CONSTANT_MethodHandle :

    case JVM_CONSTANT_MethodHandleInError :

    case JVM_CONSTANT_MethodType :

    case JVM_CONSTANT_MethodTypeInError :

      return T_OBJECT;

    default:

      ShouldNotReachHere();

      return T_ILLEGAL;

  }

}

jbyte constantTag::non_error_value() const {

  switch (_tag) {

  case JVM_CONSTANT_UnresolvedClassInError:

    return JVM_CONSTANT_UnresolvedClass;

  case JVM_CONSTANT_MethodHandleInError:

    return JVM_CONSTANT_MethodHandle;

  case JVM_CONSTANT_MethodTypeInError:

    return JVM_CONSTANT_MethodType;

  default:

    return _tag;

  }

}

jbyte constantTag::error_value() const {

  switch (_tag) {

  case JVM_CONSTANT_UnresolvedClass:

    return JVM_CONSTANT_UnresolvedClassInError;

  case JVM_CONSTANT_MethodHandle:

    return JVM_CONSTANT_MethodHandleInError;

  case JVM_CONSTANT_MethodType:

    return JVM_CONSTANT_MethodTypeInError;

  default:

    ShouldNotReachHere();

    return JVM_CONSTANT_Invalid;

  }

}

const char* constantTag::internal_name() const {

  switch (_tag) {

    case JVM_CONSTANT_Invalid :

      return "Invalid index";

    case JVM_CONSTANT_Class :

      return "Class";

    case JVM_CONSTANT_Fieldref :

      return "Field";

    case JVM_CONSTANT_Methodref :

      return "Method";

    case JVM_CONSTANT_InterfaceMethodref :

      return "InterfaceMethod";

    case JVM_CONSTANT_String :

      return "String";

    case JVM_CONSTANT_Integer :

      return "Integer";

    case JVM_CONSTANT_Float :

      return "Float";

    case JVM_CONSTANT_Long :

      return "Long";

    case JVM_CONSTANT_Double :

      return "Double";

    case JVM_CONSTANT_NameAndType :

      return "NameAndType";

    case JVM_CONSTANT_MethodHandle :

      return "MethodHandle";

    case JVM_CONSTANT_MethodHandleInError :

      return "MethodHandle Error";

    case JVM_CONSTANT_MethodType :

      return "MethodType";

    case JVM_CONSTANT_MethodTypeInError :

      return "MethodType Error";

    case JVM_CONSTANT_InvokeDynamic :

      return "InvokeDynamic";

    case JVM_CONSTANT_Utf8 :

      return "Utf8";

    case JVM_CONSTANT_UnresolvedClass :

      return "Unresolved Class";

    case JVM_CONSTANT_UnresolvedClassInError :

      return "Unresolved Class Error";

    case JVM_CONSTANT_ClassIndex :

      return "Unresolved Class Index";

    case JVM_CONSTANT_StringIndex :

      return "Unresolved String Index";

    default:

      ShouldNotReachHere();

      return "Illegal";

  }

}