/*
* Copyright ( c ) 1999 , 2020 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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#ifndef SHARE_CI_CISIGNATURE_HPP
#define SHARE_CI_CISIGNATURE_HPP
#include "ci/ciClassList.hpp"
#include "ci/ciSymbol.hpp"
#include "interpreter/bytecodes.hpp"
#include "utilities/globalDefinitions.hpp"
#include "utilities/growableArray.hpp"
// ciSignature
//
// This class represents the signature of a method.
class ciSignature : public ArenaObj {
private :
ciSymbol* _symbol;
ciKlass* _accessing_klass;
GrowableArray<ciType*> _types; // parameter types
ciType* _return_type;
int _size; // number of stack slots required for arguments
friend class ciMethod;
friend class ciBytecodeStream;
friend class ciObjectFactory;
ciSignature(ciKlass* accessing_klass, const constantPoolHandle& cpool, ciSymbol* signature);
Symbol* get_symbol() const { return _symbol->get_symbol(); }
public :
ciSymbol* as_symbol() const { return _symbol; }
ciKlass* accessing_klass() const { return _accessing_klass; }
ciType* return_type() const { return _return_type; }
ciType* type_at(int index) const { return _types.at(index); }
int size() const { return _size; }
int count() const { return _types.length(); }
int arg_size_for_bc(Bytecodes::Code bc) { return size() + (Bytecodes::has_receiver(bc) ? 1 : 0 ); }
bool has_unloaded_classes();
bool equals(ciSignature* that);
void print_signature();
void print();
};
#endif // SHARE_CI_CISIGNATURE_HPP
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