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53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef METHOD_H
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#define METHOD_H
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#include "JavaObject.h"
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// Utility class for passing method signatures around.
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// This struct is not related to the heavyweight Method class.
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struct Signature
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{
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uint nArguments; // Number of method arguments (including "this" if present)
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const Type **argumentTypes; // Array of nArgument Types of arguments
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const Type *resultType; // Type of result; the Void primitive type if no result
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bool isStatic; // True if method has no "this" argument
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uint getNResults() const {return resultType->typeKind != tkVoid;}
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uint nArgumentSlots() const;
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uint nResultSlots() const;
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};
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// --- INLINES ----------------------------------------------------------------
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//
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// Return the number of Java environment slots that this signature's result
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// would take. Void takes no slots, long and double take two slots, and all
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// other types take one slot.
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//
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inline uint Signature::nResultSlots() const
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{
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assert(resultType);
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return nTypeKindSlots(resultType->typeKind);
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}
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#endif
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