зеркало из https://github.com/mozilla/gecko-dev.git
114 строки
3.8 KiB
C++
114 строки
3.8 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* Platform specific code to invoke XPCOM methods on native objects */
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#include "xptcprivate.h"
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extern "C" uint32_t
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invoke_count_words(uint32_t paramCount, nsXPTCVariant* s)
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{
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uint32_t result = 0;
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/* fprintf(stderr,"invoke_count_words(%d,%p)\n",paramCount, s);*/
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for(uint32_t i = 0; i < paramCount; i++, s++)
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{
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if(s->IsPtrData())
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{
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result++;
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continue;
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}
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switch(s->type)
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{
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case nsXPTType::T_I8 :
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case nsXPTType::T_I16 :
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case nsXPTType::T_I32 :
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result++;
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break;
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case nsXPTType::T_I64 :
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result+=2;
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break;
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case nsXPTType::T_U8 :
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case nsXPTType::T_U16 :
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case nsXPTType::T_U32 :
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result++;
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break;
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case nsXPTType::T_U64 :
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result+=2;
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break;
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case nsXPTType::T_FLOAT :
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result++;
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break;
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case nsXPTType::T_DOUBLE :
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result+=2;
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break;
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case nsXPTType::T_BOOL :
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case nsXPTType::T_CHAR :
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case nsXPTType::T_WCHAR :
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result++;
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break;
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default:
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// all the others are plain pointer types
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result++;
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break;
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}
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}
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return result;
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}
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extern "C" void
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invoke_copy_to_stack(uint32_t* d, uint32_t paramCount, nsXPTCVariant* s, double *fprData)
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{
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uint32_t fpCount = 0;
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/* fprintf(stderr,"invoke_copy_to_stack(%p, %d, %p, %p)\n", d, paramCount, s, fprData);*/
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for(uint32_t i = 0; i < paramCount; i++, d++, s++)
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{
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if(s->IsPtrData())
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{
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*((void**)d) = s->ptr;
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continue;
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}
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switch(s->type)
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{
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case nsXPTType::T_I8 : *((int32_t*) d) = s->val.i8; break;
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case nsXPTType::T_I16 : *((int32_t*) d) = s->val.i16; break;
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case nsXPTType::T_I32 : *((int32_t*) d) = s->val.i32; break;
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case nsXPTType::T_I64 : *((int64_t*) d) = s->val.i64; d++; break;
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case nsXPTType::T_U8 : *((uint32_t*) d) = s->val.u8; break;
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case nsXPTType::T_U16 : *((uint32_t*)d) = s->val.u16; break;
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case nsXPTType::T_U32 : *((uint32_t*)d) = s->val.u32; break;
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case nsXPTType::T_U64 : *((uint64_t*)d) = s->val.u64; d++; break;
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case nsXPTType::T_FLOAT : *((float*) d) = s->val.f;
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if (fpCount < 13)
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fprData[fpCount++] = s->val.f;
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break;
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case nsXPTType::T_DOUBLE : *((double*) d) = s->val.d; d++;
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if (fpCount < 13)
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fprData[fpCount++] = s->val.d;
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break;
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case nsXPTType::T_BOOL : *((uint32_t*) d) = s->val.b; break;
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case nsXPTType::T_CHAR : *((int32_t*) d) = s->val.c; break;
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case nsXPTType::T_WCHAR : *((uint32_t*) d) = s->val.wc; break;
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default:
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// all the others are plain pointer types
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*((void**)d) = s->val.p;
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break;
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}
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}
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}
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extern "C" nsresult _NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
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uint32_t paramCount,
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nsXPTCVariant* params);
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EXPORT_XPCOM_API(nsresult)
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NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
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uint32_t paramCount, nsXPTCVariant* params)
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{
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return _NS_InvokeByIndex(that, methodIndex, paramCount, params);
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}
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