view src/share/vm/utilities/constantTag.cpp @ 4208:f16e75e0cf11

8000797: NPG: is_pseudo_string_at() doesn't work Summary: Zero Symbol* for constant pool strings to indicate pseudo_strings (objects that aren't strings). Clean up JVM_CONSTANT_Object and unused flags. Reviewed-by: sspitsyn, jrose
author coleenp
date Fri, 22 Feb 2013 08:36:42 -0500
parents da91efe96a93
children 28ca974cc21a
line wrap: on
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/*
 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
 * 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"

#ifndef PRODUCT

void constantTag::print_on(outputStream* st) const {
  st->print(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_MethodType :
      return T_OBJECT;
    default:
      ShouldNotReachHere();
      return T_ILLEGAL;
  }
}



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";
  }
}