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57 lines
1.8 KiB
C
57 lines
1.8 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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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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