src/share/vm/c1/c1_ValueType.hpp

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   1 /*
   2  * Copyright (c) 1999, 2005, 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  */
  24 






  25 // type hierarchy
  26 class ValueType;
  27 class   VoidType;
  28 class   IntType;
  29 class     IntConstant;
  30 class     IntInterval;
  31 class   LongType;
  32 class     LongConstant;
  33 class   FloatType;
  34 class     FloatConstant;
  35 class   DoubleType;
  36 class     DoubleConstant;
  37 class   ObjectType;
  38 class     ObjectConstant;
  39 class     ArrayType;
  40 class       ArrayConstant;
  41 class     InstanceType;
  42 class       InstanceConstant;
  43 class     ClassType;
  44 class       ClassConstant;


 402   virtual AddressConstant* as_AddressConstant()  { return this; }
 403 };
 404 
 405 
 406 class IllegalType: public ValueType {
 407  public:
 408   IllegalType(): ValueType(illegalTag, -1) {}
 409   virtual ValueType* base() const                { return illegalType; }
 410   virtual const char tchar() const               { return ' '; }
 411   virtual const char* name() const               { return "illegal"; }
 412   virtual IllegalType* as_IllegalType()          { return this; }
 413 };
 414 
 415 
 416 // conversion between ValueTypes, BasicTypes, and ciConstants
 417 ValueType* as_ValueType(BasicType type);
 418 ValueType* as_ValueType(ciConstant value);
 419 BasicType  as_BasicType(ValueType* type);
 420 
 421 inline ValueType* as_ValueType(ciType* type) { return as_ValueType(type->basic_type()); }


   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  */
  24 
  25 #ifndef SHARE_VM_C1_C1_VALUETYPE_HPP
  26 #define SHARE_VM_C1_C1_VALUETYPE_HPP
  27 
  28 #include "c1/c1_Compilation.hpp"
  29 #include "ci/ciConstant.hpp"
  30 
  31 // type hierarchy
  32 class ValueType;
  33 class   VoidType;
  34 class   IntType;
  35 class     IntConstant;
  36 class     IntInterval;
  37 class   LongType;
  38 class     LongConstant;
  39 class   FloatType;
  40 class     FloatConstant;
  41 class   DoubleType;
  42 class     DoubleConstant;
  43 class   ObjectType;
  44 class     ObjectConstant;
  45 class     ArrayType;
  46 class       ArrayConstant;
  47 class     InstanceType;
  48 class       InstanceConstant;
  49 class     ClassType;
  50 class       ClassConstant;


 408   virtual AddressConstant* as_AddressConstant()  { return this; }
 409 };
 410 
 411 
 412 class IllegalType: public ValueType {
 413  public:
 414   IllegalType(): ValueType(illegalTag, -1) {}
 415   virtual ValueType* base() const                { return illegalType; }
 416   virtual const char tchar() const               { return ' '; }
 417   virtual const char* name() const               { return "illegal"; }
 418   virtual IllegalType* as_IllegalType()          { return this; }
 419 };
 420 
 421 
 422 // conversion between ValueTypes, BasicTypes, and ciConstants
 423 ValueType* as_ValueType(BasicType type);
 424 ValueType* as_ValueType(ciConstant value);
 425 BasicType  as_BasicType(ValueType* type);
 426 
 427 inline ValueType* as_ValueType(ciType* type) { return as_ValueType(type->basic_type()); }
 428 
 429 #endif // SHARE_VM_C1_C1_VALUETYPE_HPP