450 lines
13 KiB
C
450 lines
13 KiB
C
/*
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* Copyright 2009 Piotr Caban
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <math.h>
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#include "jscript.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(jscript);
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static const WCHAR descriptionW[] = {'d','e','s','c','r','i','p','t','i','o','n',0};
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static const WCHAR messageW[] = {'m','e','s','s','a','g','e',0};
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static const WCHAR nameW[] = {'n','a','m','e',0};
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static const WCHAR numberW[] = {'n','u','m','b','e','r',0};
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static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
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/* ECMA-262 3rd Edition 15.11.4.4 */
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static HRESULT Error_toString(script_ctx_t *ctx, vdisp_t *vthis, WORD flags,
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DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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{
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jsdisp_t *jsthis;
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BSTR name = NULL, msg = NULL, ret = NULL;
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VARIANT v;
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HRESULT hres;
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static const WCHAR object_errorW[] = {'[','o','b','j','e','c','t',' ','E','r','r','o','r',']',0};
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TRACE("\n");
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jsthis = get_jsdisp(vthis);
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if(!jsthis || ctx->version < 2) {
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if(retv) {
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V_VT(retv) = VT_BSTR;
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V_BSTR(retv) = SysAllocString(object_errorW);
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if(!V_BSTR(retv))
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return E_OUTOFMEMORY;
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}
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return S_OK;
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}
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hres = jsdisp_propget_name(jsthis, nameW, &v, ei);
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if(FAILED(hres))
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return hres;
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if(V_VT(&v) != VT_EMPTY) {
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hres = to_string(ctx, &v, ei, &name);
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VariantClear(&v);
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if(FAILED(hres))
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return hres;
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if(!*name) {
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SysFreeString(name);
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name = NULL;
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}
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}
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hres = jsdisp_propget_name(jsthis, messageW, &v, ei);
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if(SUCCEEDED(hres)) {
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if(V_VT(&v) != VT_EMPTY) {
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hres = to_string(ctx, &v, ei, &msg);
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VariantClear(&v);
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if(SUCCEEDED(hres) && !*msg) {
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SysFreeString(msg);
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msg = NULL;
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}
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}
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}
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if(SUCCEEDED(hres)) {
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if(name && msg) {
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DWORD name_len, msg_len;
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name_len = SysStringLen(name);
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msg_len = SysStringLen(msg);
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ret = SysAllocStringLen(NULL, name_len + msg_len + 2);
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if(ret) {
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memcpy(ret, name, name_len*sizeof(WCHAR));
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ret[name_len] = ':';
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ret[name_len+1] = ' ';
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memcpy(ret+name_len+2, msg, msg_len*sizeof(WCHAR));
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}
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}else if(name) {
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ret = name;
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name = NULL;
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}else if(msg) {
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ret = msg;
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msg = NULL;
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}else {
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ret = SysAllocString(object_errorW);
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}
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}
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SysFreeString(msg);
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SysFreeString(name);
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if(FAILED(hres))
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return hres;
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if(!ret)
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return E_OUTOFMEMORY;
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if(retv) {
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V_VT(retv) = VT_BSTR;
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V_BSTR(retv) = ret;
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}else {
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SysFreeString(ret);
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}
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return S_OK;
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}
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static HRESULT Error_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
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DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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{
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TRACE("\n");
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switch(flags) {
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case INVOKE_FUNC:
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return throw_type_error(ctx, ei, JS_E_FUNCTION_EXPECTED, NULL);
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default:
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FIXME("unimplemented flags %x\n", flags);
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return E_NOTIMPL;
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}
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return S_OK;
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}
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static const builtin_prop_t Error_props[] = {
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{toStringW, Error_toString, PROPF_METHOD}
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};
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static const builtin_info_t Error_info = {
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JSCLASS_ERROR,
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{NULL, Error_value, 0},
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sizeof(Error_props)/sizeof(*Error_props),
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Error_props,
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NULL,
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NULL
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};
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static const builtin_info_t ErrorInst_info = {
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JSCLASS_ERROR,
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{NULL, Error_value, 0},
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0,
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NULL,
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NULL,
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NULL
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};
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static HRESULT alloc_error(script_ctx_t *ctx, jsdisp_t *prototype,
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jsdisp_t *constr, jsdisp_t **ret)
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{
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jsdisp_t *err;
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HRESULT hres;
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err = heap_alloc_zero(sizeof(*err));
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if(!err)
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return E_OUTOFMEMORY;
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if(prototype)
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hres = init_dispex(err, ctx, &Error_info, prototype);
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else
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hres = init_dispex_from_constr(err, ctx, &ErrorInst_info,
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constr ? constr : ctx->error_constr);
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if(FAILED(hres)) {
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heap_free(err);
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return hres;
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}
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*ret = err;
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return S_OK;
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}
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static HRESULT create_error(script_ctx_t *ctx, jsdisp_t *constr,
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UINT number, const WCHAR *msg, jsdisp_t **ret)
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{
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jsdisp_t *err;
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VARIANT v;
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HRESULT hres;
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hres = alloc_error(ctx, NULL, constr, &err);
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if(FAILED(hres))
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return hres;
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V_VT(&v) = VT_I4;
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V_I4(&v) = number;
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hres = jsdisp_propput_name(err, numberW, &v, NULL/*FIXME*/);
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if(FAILED(hres)) {
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jsdisp_release(err);
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return hres;
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}
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V_VT(&v) = VT_BSTR;
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if(msg) V_BSTR(&v) = SysAllocString(msg);
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else V_BSTR(&v) = SysAllocStringLen(NULL, 0);
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if(V_BSTR(&v)) {
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hres = jsdisp_propput_name(err, messageW, &v, NULL/*FIXME*/);
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if(SUCCEEDED(hres))
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hres = jsdisp_propput_name(err, descriptionW, &v, NULL/*FIXME*/);
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SysFreeString(V_BSTR(&v));
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}else {
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hres = E_OUTOFMEMORY;
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}
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if(FAILED(hres)) {
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jsdisp_release(err);
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return hres;
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}
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*ret = err;
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return S_OK;
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}
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static HRESULT error_constr(script_ctx_t *ctx, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, jsdisp_t *constr) {
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jsdisp_t *err;
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UINT num = 0;
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BSTR msg = NULL;
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HRESULT hres;
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if(arg_cnt(dp)) {
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double n;
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hres = to_number(ctx, get_arg(dp, 0), ei, &n);
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if(FAILED(hres)) /* FIXME: really? */
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n = NAN;
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if(isnan(n))
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hres = to_string(ctx, get_arg(dp, 0), ei, &msg);
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if(FAILED(hres))
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return hres;
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num = n;
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}
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if(arg_cnt(dp)>1 && !msg) {
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hres = to_string(ctx, get_arg(dp, 1), ei, &msg);
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if(FAILED(hres))
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return hres;
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}
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switch(flags) {
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case INVOKE_FUNC:
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case DISPATCH_CONSTRUCT:
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hres = create_error(ctx, constr, num, msg, &err);
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SysFreeString(msg);
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if(FAILED(hres))
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return hres;
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if(retv)
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var_set_jsdisp(retv, err);
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else
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jsdisp_release(err);
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return S_OK;
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default:
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FIXME("unimplemented flags %x\n", flags);
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return E_NOTIMPL;
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}
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}
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static HRESULT ErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
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DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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{
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TRACE("\n");
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return error_constr(ctx, flags, dp, retv, ei, ctx->error_constr);
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}
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static HRESULT EvalErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
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DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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{
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TRACE("\n");
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return error_constr(ctx, flags, dp, retv, ei, ctx->eval_error_constr);
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}
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static HRESULT RangeErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
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DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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{
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TRACE("\n");
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return error_constr(ctx, flags, dp, retv, ei, ctx->range_error_constr);
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}
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static HRESULT ReferenceErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
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DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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{
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TRACE("\n");
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return error_constr(ctx, flags, dp, retv, ei, ctx->reference_error_constr);
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}
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static HRESULT RegExpErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
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DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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{
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TRACE("\n");
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return error_constr(ctx, flags, dp, retv, ei, ctx->regexp_error_constr);
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}
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static HRESULT SyntaxErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
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DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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{
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TRACE("\n");
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return error_constr(ctx, flags, dp, retv, ei, ctx->syntax_error_constr);
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}
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static HRESULT TypeErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
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DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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{
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TRACE("\n");
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return error_constr(ctx, flags, dp, retv, ei, ctx->type_error_constr);
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}
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static HRESULT URIErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
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DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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{
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TRACE("\n");
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return error_constr(ctx, flags, dp, retv, ei, ctx->uri_error_constr);
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}
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HRESULT init_error_constr(script_ctx_t *ctx, jsdisp_t *object_prototype)
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{
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static const WCHAR ErrorW[] = {'E','r','r','o','r',0};
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static const WCHAR EvalErrorW[] = {'E','v','a','l','E','r','r','o','r',0};
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static const WCHAR RangeErrorW[] = {'R','a','n','g','e','E','r','r','o','r',0};
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static const WCHAR ReferenceErrorW[] = {'R','e','f','e','r','e','n','c','e','E','r','r','o','r',0};
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static const WCHAR RegExpErrorW[] = {'R','e','g','E','x','p','E','r','r','o','r',0};
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static const WCHAR SyntaxErrorW[] = {'S','y','n','t','a','x','E','r','r','o','r',0};
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static const WCHAR TypeErrorW[] = {'T','y','p','e','E','r','r','o','r',0};
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static const WCHAR URIErrorW[] = {'U','R','I','E','r','r','o','r',0};
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static const WCHAR *names[] = {ErrorW, EvalErrorW, RangeErrorW,
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ReferenceErrorW, RegExpErrorW, SyntaxErrorW, TypeErrorW, URIErrorW};
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jsdisp_t **constr_addr[] = {&ctx->error_constr, &ctx->eval_error_constr,
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&ctx->range_error_constr, &ctx->reference_error_constr, &ctx->regexp_error_constr,
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&ctx->syntax_error_constr, &ctx->type_error_constr,
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&ctx->uri_error_constr};
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static builtin_invoke_t constr_val[] = {ErrorConstr_value, EvalErrorConstr_value,
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RangeErrorConstr_value, ReferenceErrorConstr_value, RegExpErrorConstr_value,
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SyntaxErrorConstr_value, TypeErrorConstr_value, URIErrorConstr_value};
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jsdisp_t *err;
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INT i;
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VARIANT v;
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HRESULT hres;
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for(i=0; i < sizeof(names)/sizeof(names[0]); i++) {
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hres = alloc_error(ctx, i==0 ? object_prototype : NULL, NULL, &err);
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if(FAILED(hres))
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return hres;
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V_VT(&v) = VT_BSTR;
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V_BSTR(&v) = SysAllocString(names[i]);
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if(!V_BSTR(&v)) {
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jsdisp_release(err);
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return E_OUTOFMEMORY;
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}
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hres = jsdisp_propput_name(err, nameW, &v, NULL/*FIXME*/);
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if(SUCCEEDED(hres))
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hres = create_builtin_function(ctx, constr_val[i], names[i], NULL,
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PROPF_CONSTR|1, err, constr_addr[i]);
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jsdisp_release(err);
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VariantClear(&v);
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if(FAILED(hres))
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return hres;
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}
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return S_OK;
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}
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static HRESULT throw_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str, jsdisp_t *constr)
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{
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WCHAR buf[1024], *pos = NULL;
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jsdisp_t *err;
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HRESULT hres;
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if(!is_jscript_error(error))
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return error;
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buf[0] = '\0';
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LoadStringW(jscript_hinstance, HRESULT_CODE(error), buf, sizeof(buf)/sizeof(WCHAR));
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if(str) pos = strchrW(buf, '|');
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if(pos) {
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int len = strlenW(str);
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memmove(pos+len, pos+1, (strlenW(pos+1)+1)*sizeof(WCHAR));
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memcpy(pos, str, len*sizeof(WCHAR));
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}
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WARN("%s\n", debugstr_w(buf));
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hres = create_error(ctx, constr, error, buf, &err);
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if(FAILED(hres))
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return hres;
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if(ei)
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var_set_jsdisp(&ei->var, err);
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return error;
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}
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HRESULT throw_generic_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
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{
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return throw_error(ctx, ei, error, str, ctx->error_constr);
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}
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HRESULT throw_range_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
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{
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return throw_error(ctx, ei, error, str, ctx->range_error_constr);
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}
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HRESULT throw_reference_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
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{
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return throw_error(ctx, ei, error, str, ctx->reference_error_constr);
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}
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HRESULT throw_regexp_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
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{
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return throw_error(ctx, ei, error, str, ctx->regexp_error_constr);
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}
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HRESULT throw_syntax_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
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{
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return throw_error(ctx, ei, error, str, ctx->syntax_error_constr);
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}
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HRESULT throw_type_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
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{
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return throw_error(ctx, ei, error, str, ctx->type_error_constr);
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}
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HRESULT throw_uri_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
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{
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return throw_error(ctx, ei, error, str, ctx->uri_error_constr);
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}
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