JDK14/Java14源码在线阅读

/*
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 * 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).
 *
 * You should have received a copy of the GNU General Public License version
 * 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 ResourceObj {
private:
  ciSymbol* _symbol;
  ciKlass*  _accessing_klass;

  GrowableArray<ciType*>* _types;
  int _size;   // number of stack slots required for arguments
  int _count;  // number of parameter types in the signature

  friend class ciMethod;
  friend class ciBytecodeStream;
  friend class ciObjectFactory;

  ciSignature(ciKlass* accessing_klass, const constantPoolHandle& cpool, ciSymbol* signature);
  ciSignature(ciKlass* accessing_klass,                           ciSymbol* signature, ciMethodType* method_type);

  void get_all_klasses();

  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;
  ciType*   type_at(int index) const;

  int       size() const                         { return _size; }

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