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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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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* 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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* 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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* The Original Code is mozilla.org code.
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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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* ***** END LICENSE BLOCK ***** */
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/* Implement shared vtbl methods. */
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#include "xptcprivate.h"
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PrepareAndDispatch(nsXPTCStubBase* self, uint32 methodIndex, PRUint64* args)
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const PRUint8 PARAM_BUFFER_COUNT = 16;
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const PRUint8 NUM_ARG_REGS = 6-1; // -1 for "this" pointer
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nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
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nsXPTCMiniVariant* dispatchParams = NULL;
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nsIInterfaceInfo* iface_info = NULL;
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const nsXPTMethodInfo* info;
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nsresult result = NS_ERROR_FAILURE;
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NS_ASSERTION(self,"no self");
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self->GetInterfaceInfo(&iface_info);
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NS_ASSERTION(iface_info,"no interface info");
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iface_info->GetMethodInfo(PRUint16(methodIndex), &info);
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NS_ASSERTION(info,"no interface info");
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paramCount = info->GetParamCount();
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// setup variant array pointer
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if(paramCount > PARAM_BUFFER_COUNT)
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dispatchParams = new nsXPTCMiniVariant[paramCount];
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dispatchParams = paramBuffer;
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NS_ASSERTION(dispatchParams,"no place for params");
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// args[0] to args[NUM_ARG_REGS] hold floating point register values
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PRUint64* ap = args + NUM_ARG_REGS;
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for(i = 0; i < paramCount; i++, ap++)
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const nsXPTParamInfo& param = info->GetParam(i);
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const nsXPTType& type = param.GetType();
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nsXPTCMiniVariant* dp = &dispatchParams[i];
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if(param.IsOut() || !type.IsArithmetic())
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dp->val.p = (void*) *ap;
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case nsXPTType::T_I8 : dp->val.i8 = (PRInt8) *ap; break;
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case nsXPTType::T_I16 : dp->val.i16 = (PRInt16) *ap; break;
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case nsXPTType::T_I32 : dp->val.i32 = (PRInt32) *ap; break;
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case nsXPTType::T_I64 : dp->val.i64 = (PRInt64) *ap; break;
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case nsXPTType::T_U8 : dp->val.u8 = (PRUint8) *ap; break;
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case nsXPTType::T_U16 : dp->val.u16 = (PRUint16) *ap; break;
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case nsXPTType::T_U32 : dp->val.u32 = (PRUint32) *ap; break;
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case nsXPTType::T_U64 : dp->val.u64 = (PRUint64) *ap; break;
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case nsXPTType::T_FLOAT :
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// floats passed via registers are stored as doubles
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// in the first NUM_ARG_REGS entries in args
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dp->val.u64 = (PRUint64) args[i];
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dp->val.f = (float) dp->val.d; // convert double to float
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dp->val.u32 = (PRUint32) *ap;
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case nsXPTType::T_DOUBLE :
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// doubles passed via registers are also stored
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// in the first NUM_ARG_REGS entries in args
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dp->val.u64 = (i < NUM_ARG_REGS) ? args[i] : *ap;
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case nsXPTType::T_BOOL : dp->val.b = (PRBool) *ap; break;
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case nsXPTType::T_CHAR : dp->val.c = (char) *ap; break;
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case nsXPTType::T_WCHAR : dp->val.wc = (PRUnichar) *ap; break;
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NS_ASSERTION(0, "bad type");
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result = self->CallMethod((PRUint16)methodIndex, info, dispatchParams);
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NS_RELEASE(iface_info);
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if(dispatchParams != paramBuffer)
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delete [] dispatchParams;
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#define STUB_ENTRY(n) /* This is in the ASM file */
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#define SENTINEL_ENTRY(n) \
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nsresult nsXPTCStubBase::Sentinel##n() \
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NS_ASSERTION(0,"nsXPTCStubBase::Sentinel called"); \
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return NS_ERROR_NOT_IMPLEMENTED; \
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#include "xptcstubsdef.inc"