jdk8-mips64-public/hotspot: src/share/vm/ci/ciConstant.hpp@f95d63e2154a

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

     1 /*

     2  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.

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

     4  *

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

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

     7  * published by the Free Software Foundation.

     8  *

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

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

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

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

    13  * accompanied this code).

    14  *

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

    16  * 2 along with this work; if not, write to the Free Software Foundation,

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

    18  *

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

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

    21  * questions.

    22  *

    23  */

    25 #ifndef SHARE_VM_CI_CICONSTANT_HPP

    26 #define SHARE_VM_CI_CICONSTANT_HPP

    28 #include "ci/ciClassList.hpp"

    29 #include "ci/ciNullObject.hpp"

    31 // ciConstant

    32 //

    33 // This class represents a constant value.

    34 class ciConstant VALUE_OBJ_CLASS_SPEC {

    35 private:

    36   friend class ciEnv;

    37   friend class ciField;

    39   BasicType _type;

    40   union {

    41     jint      _int;

    42     jlong     _long;

    43     jint      _long_half[2];

    44     jfloat    _float;

    45     jdouble   _double;

    46     ciObject* _object;

    47   } _value;

    49   // Implementation of the print method.

    50   void print_impl(outputStream* st);

    52 public:

    54   ciConstant() {

    55     _type = T_ILLEGAL; _value._long = -1;

    56   }

    57   ciConstant(BasicType type, jint value) {

    58     assert(type != T_LONG && type != T_DOUBLE && type != T_FLOAT,

    59            "using the wrong ciConstant constructor");

    60     _type = type; _value._int = value;

    61   }

    62   ciConstant(jlong value) {

    63     _type = T_LONG; _value._long = value;

    64   }

    65   ciConstant(jfloat value) {

    66     _type = T_FLOAT; _value._float = value;

    67   }

    68   ciConstant(jdouble value) {

    69     _type = T_DOUBLE; _value._double = value;

    70   }

    71   ciConstant(BasicType type, ciObject* p) {

    72     _type = type; _value._object = p;

    73   }

    75   BasicType basic_type() const { return _type; }

    77   jboolean  as_boolean() {

    78     assert(basic_type() == T_BOOLEAN, "wrong type");

    79     return (jboolean)_value._int;

    80   }

    81   jchar     as_char() {

    82     assert(basic_type() == T_CHAR, "wrong type");

    83     return (jchar)_value._int;

    84   }

    85   jbyte     as_byte() {

    86     assert(basic_type() == T_BYTE, "wrong type");

    87     return (jbyte)_value._int;

    88   }

    89   jshort    as_short() {

    90     assert(basic_type() == T_SHORT, "wrong type");

    91     return (jshort)_value._int;

    92   }

    93   jint      as_int() {

    94     assert(basic_type() == T_BOOLEAN || basic_type() == T_CHAR  ||

    95            basic_type() == T_BYTE    || basic_type() == T_SHORT ||

    96            basic_type() == T_INT, "wrong type");

    97     return _value._int;

    98   }

    99   jlong     as_long() {

   100     assert(basic_type() == T_LONG, "wrong type");

   101     return _value._long;

   102   }

   103   jfloat    as_float() {

   104     assert(basic_type() == T_FLOAT, "wrong type");

   105     return _value._float;

   106   }

   107   jdouble   as_double() {

   108     assert(basic_type() == T_DOUBLE, "wrong type");

   109     return _value._double;

   110   }

   111   ciObject* as_object() const {

   112     assert(basic_type() == T_OBJECT || basic_type() == T_ARRAY, "wrong type");

   113     return _value._object;

   114   }

   116   // Debugging output

   117   void print();

   118 };

   120 #endif // SHARE_VM_CI_CICONSTANT_HPP

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/ci/ciConstant.hpp@f95d63e2154a

src/share/vm/ci/ciConstant.hpp