1 /* 2 * Copyright (c) 1999, 2015, 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_CI_CISIGNATURE_HPP 26 #define SHARE_VM_CI_CISIGNATURE_HPP 27 28 #include "ci/ciClassList.hpp" 29 #include "ci/ciSymbol.hpp" 30 #include "utilities/globalDefinitions.hpp" 31 #include "utilities/growableArray.hpp" 32 33 // ciSignature 34 // 35 // This class represents the signature of a method. 36 class ciSignature : public ResourceObj { 37 private: 38 ciSymbol* _symbol; 39 ciKlass* _accessing_klass; 40 41 GrowableArray<ciType*>* _types; 42 int _size; // number of stack slots required for arguments 43 int _count; // number of parameter types in the signature 44 45 friend class ciMethod; 46 friend class ciBytecodeStream; 47 friend class ciObjectFactory; 48 49 ciSignature(ciKlass* accessing_klass, const constantPoolHandle& cpool, ciSymbol* signature); 50 ciSignature(ciKlass* accessing_klass, ciSymbol* signature, ciMethodType* method_type); 51 52 void get_all_klasses(); 53 54 Symbol* get_symbol() const { return _symbol->get_symbol(); } 55 56 public: 57 ciSymbol* as_symbol() const { return _symbol; } 58 ciKlass* accessing_klass() const { return _accessing_klass; } 59 60 ciType* return_type() const; 61 ciType* type_at(int index) const; 62 63 int size() const { return _size; } 64 int count() const { return _count; } 65 66 int arg_size_for_bc(Bytecodes::Code bc) { return size() + (Bytecodes::has_receiver(bc) ? 1 : 0); } 67 68 bool equals(ciSignature* that); 69 70 void print_signature(); 71 void print(); 72 }; 73 74 #endif // SHARE_VM_CI_CISIGNATURE_HPP