aoqi@0: /*
aoqi@0:  * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #ifndef SHARE_VM_CI_CISIGNATURE_HPP
aoqi@0: #define SHARE_VM_CI_CISIGNATURE_HPP
aoqi@0: 
aoqi@0: #include "ci/ciClassList.hpp"
aoqi@0: #include "ci/ciSymbol.hpp"
aoqi@0: #include "utilities/globalDefinitions.hpp"
aoqi@0: #include "utilities/growableArray.hpp"
aoqi@0: 
aoqi@0: // ciSignature
aoqi@0: //
aoqi@0: // This class represents the signature of a method.
aoqi@0: class ciSignature : public ResourceObj {
aoqi@0: private:
aoqi@0:   ciSymbol* _symbol;
aoqi@0:   ciKlass*  _accessing_klass;
aoqi@0: 
aoqi@0:   GrowableArray<ciType*>* _types;
aoqi@0:   int _size;   // number of stack slots required for arguments
aoqi@0:   int _count;  // number of parameter types in the signature
aoqi@0: 
aoqi@0:   friend class ciMethod;
aoqi@0:   friend class ciBytecodeStream;
aoqi@0:   friend class ciObjectFactory;
aoqi@0: 
aoqi@0:   ciSignature(ciKlass* accessing_klass, constantPoolHandle cpool, ciSymbol* signature);
aoqi@0:   ciSignature(ciKlass* accessing_klass,                           ciSymbol* signature, ciMethodType* method_type);
aoqi@0: 
aoqi@0:   void get_all_klasses();
aoqi@0: 
aoqi@0:   Symbol* get_symbol() const                     { return _symbol->get_symbol(); }
aoqi@0: 
aoqi@0: public:
aoqi@0:   ciSymbol* as_symbol() const                    { return _symbol; }
aoqi@0:   ciKlass*  accessing_klass() const              { return _accessing_klass; }
aoqi@0: 
aoqi@0:   ciType*   return_type() const;
aoqi@0:   ciType*   type_at(int index) const;
aoqi@0: 
aoqi@0:   int       size() const                         { return _size; }
aoqi@0:   int       count() const                        { return _count; }
aoqi@0: 
aoqi@0:   int       arg_size_for_bc(Bytecodes::Code bc)  { return size() + (Bytecodes::has_receiver(bc) ? 1 : 0); }
aoqi@0: 
aoqi@0:   bool equals(ciSignature* that);
aoqi@0: 
aoqi@0:   void print_signature();
aoqi@0:   void print();
aoqi@0: };
aoqi@0: 
aoqi@0: #endif // SHARE_VM_CI_CISIGNATURE_HPP