1 /*
   2  * Copyright (c) 1999, 2012, 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  *

  27 
  28 #include "ci/ciBaseObject.hpp"
  29 #include "ci/ciObject.hpp"
  30 #include "ci/ciObjectFactory.hpp"
  31 #include "classfile/vmSymbols.hpp"
  32 #include "oops/symbol.hpp"
  33 
  34 // ciSymbol
  35 //
  36 // This class represents a Symbol* in the HotSpot virtual
  37 // machine.
  38 class ciSymbol : public ciBaseObject {
  39   Symbol* _symbol;
  40 
  41   CI_PACKAGE_ACCESS
  42   // These friends all make direct use of get_symbol:
  43   friend class ciEnv;
  44   friend class ciInstanceKlass;
  45   friend class ciSignature;
  46   friend class ciMethod;

  47   friend class ciObjArrayKlass;
  48 
  49 private:
  50   const vmSymbols::SID _sid;
  51   DEBUG_ONLY( bool sid_ok() { return vmSymbols::find_sid(get_symbol()) == _sid; } )
  52 
  53   ciSymbol(Symbol* s);  // normal case, for symbols not mentioned in vmSymbols
  54   ciSymbol(Symbol* s, vmSymbols::SID sid);   // for use with vmSymbols
  55 
  56   Symbol* get_symbol() const { return _symbol; }
  57 
  58   const char* type_string() { return "ciSymbol"; }
  59 
  60   void print_impl(outputStream* st);
  61 
  62   // This is public in Symbol* but private here, because the base can move:
  63   const jbyte* base();
  64 
  65   // Make a ciSymbol from a C string (implementation).
  66   static ciSymbol* make_impl(const char* s);

   1 /*
   2  * Copyright (c) 1999, 2013, 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  *

  27 
  28 #include "ci/ciBaseObject.hpp"
  29 #include "ci/ciObject.hpp"
  30 #include "ci/ciObjectFactory.hpp"
  31 #include "classfile/vmSymbols.hpp"
  32 #include "oops/symbol.hpp"
  33 
  34 // ciSymbol
  35 //
  36 // This class represents a Symbol* in the HotSpot virtual
  37 // machine.
  38 class ciSymbol : public ciBaseObject {
  39   Symbol* _symbol;
  40 
  41   CI_PACKAGE_ACCESS
  42   // These friends all make direct use of get_symbol:
  43   friend class ciEnv;
  44   friend class ciInstanceKlass;
  45   friend class ciSignature;
  46   friend class ciMethod;
  47   friend class ciField;
  48   friend class ciObjArrayKlass;
  49 
  50 private:
  51   const vmSymbols::SID _sid;
  52   DEBUG_ONLY( bool sid_ok() { return vmSymbols::find_sid(get_symbol()) == _sid; } )
  53 
  54   ciSymbol(Symbol* s);  // normal case, for symbols not mentioned in vmSymbols
  55   ciSymbol(Symbol* s, vmSymbols::SID sid);   // for use with vmSymbols
  56 
  57   Symbol* get_symbol() const { return _symbol; }
  58 
  59   const char* type_string() { return "ciSymbol"; }
  60 
  61   void print_impl(outputStream* st);
  62 
  63   // This is public in Symbol* but private here, because the base can move:
  64   const jbyte* base();
  65 
  66   // Make a ciSymbol from a C string (implementation).
  67   static ciSymbol* make_impl(const char* s);