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120 lines
3.3 KiB
C++
120 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is js-ctypes.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation <http://www.mozilla.org/>.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mark Finkle <mark.finkle@gmail.com>, <mfinkle@mozilla.com>
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* Dan Witte <dwitte@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef FUNCTION_H
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#define FUNCTION_H
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#include "Module.h"
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#include "nsTArray.h"
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#include "prlink.h"
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#include "ffi.h"
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namespace mozilla {
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namespace ctypes {
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// for JS error reporting
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enum ErrorNum {
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#define MSG_DEF(name, number, count, exception, format) \
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name = number,
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#include "ctypes.msg"
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#undef MSG_DEF
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CTYPESERR_LIMIT
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};
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const JSErrorFormatString*
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GetErrorMessage(void* userRef, const char* locale, const uintN errorNumber);
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struct Type
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{
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ffi_type mFFIType;
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TypeCode mType;
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};
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struct Value
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{
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void* mData;
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union {
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PRInt8 mInt8;
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PRInt16 mInt16;
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PRInt32 mInt32;
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PRInt64 mInt64;
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PRUint8 mUint8;
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PRUint16 mUint16;
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PRUint32 mUint32;
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PRUint64 mUint64;
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float mFloat;
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double mDouble;
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void* mPointer;
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} mValue;
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};
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class Function
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{
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public:
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Function();
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Function*& Next() { return mNext; }
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static JSObject* Create(JSContext* aContext, JSObject* aLibrary, PRFuncPtr aFunc, const char* aName, jsval aCallType, jsval aResultType, jsval* aArgTypes, uintN aArgLength);
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static JSBool Call(JSContext* cx, uintN argc, jsval* vp);
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~Function();
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private:
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bool Init(JSContext* aContext, PRFuncPtr aFunc, jsval aCallType, jsval aResultType, jsval* aArgTypes, uintN aArgLength);
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bool Execute(JSContext* cx, PRUint32 argc, jsval* vp);
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protected:
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PRFuncPtr mFunc;
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ffi_abi mCallType;
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Type mResultType;
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nsAutoTArray<Type, 16> mArgTypes;
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nsAutoTArray<ffi_type*, 16> mFFITypes;
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ffi_cif mCIF;
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Function* mNext;
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};
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}
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}
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#endif
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