duke@435: /*
mikael@4153:  * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #ifndef SHARE_VM_CI_CISIGNATURE_HPP
stefank@2314: #define SHARE_VM_CI_CISIGNATURE_HPP
stefank@2314: 
stefank@2314: #include "ci/ciClassList.hpp"
stefank@2314: #include "ci/ciSymbol.hpp"
stefank@2314: #include "utilities/globalDefinitions.hpp"
stefank@2314: #include "utilities/growableArray.hpp"
stefank@2314: 
duke@435: // ciSignature
duke@435: //
duke@435: // This class represents the signature of a method.
duke@435: class ciSignature : public ResourceObj {
duke@435: private:
duke@435:   ciSymbol* _symbol;
duke@435:   ciKlass*  _accessing_klass;
duke@435: 
duke@435:   GrowableArray<ciType*>* _types;
twisti@3969:   int _size;   // number of stack slots required for arguments
twisti@3969:   int _count;  // number of parameter types in the signature
duke@435: 
duke@435:   friend class ciMethod;
twisti@3969:   friend class ciBytecodeStream;
twisti@3197:   friend class ciObjectFactory;
duke@435: 
jrose@2982:   ciSignature(ciKlass* accessing_klass, constantPoolHandle cpool, ciSymbol* signature);
twisti@4133:   ciSignature(ciKlass* accessing_klass,                           ciSymbol* signature, ciMethodType* method_type);
duke@435: 
duke@435:   void get_all_klasses();
duke@435: 
coleenp@2497:   Symbol* get_symbol() const                     { return _symbol->get_symbol(); }
duke@435: 
duke@435: public:
duke@435:   ciSymbol* as_symbol() const                    { return _symbol; }
twisti@3197:   ciKlass*  accessing_klass() const              { return _accessing_klass; }
duke@435: 
twisti@4313:   ciType*   return_type() const;
twisti@4313:   ciType*   type_at(int index) const;
duke@435: 
duke@435:   int       size() const                         { return _size; }
duke@435:   int       count() const                        { return _count; }
duke@435: 
twisti@4313:   int       arg_size_for_bc(Bytecodes::Code bc)  { return size() + (Bytecodes::has_receiver(bc) ? 1 : 0); }
twisti@4313: 
twisti@3197:   bool equals(ciSignature* that);
twisti@3197: 
duke@435:   void print_signature();
duke@435:   void print();
duke@435: };
stefank@2314: 
stefank@2314: #endif // SHARE_VM_CI_CISIGNATURE_HPP