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![Gabriel Ivăncescu](/assets/img/avatar_default.png)
Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com> Signed-off-by: Jacek Caban <jacek@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
515 lines
14 KiB
C
515 lines
14 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 <math.h>
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#include <assert.h>
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#include <wchar.h>
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#include "jscript.h"
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#include "engine.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(jscript);
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/* ECMA-262 3rd Edition 15.11.4.4 */
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static HRESULT Error_toString(script_ctx_t *ctx, jsval_t vthis, WORD flags,
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unsigned argc, jsval_t *argv, jsval_t *r)
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{
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jsstr_t *name = NULL, *msg = NULL, *ret = NULL;
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jsdisp_t *jsthis = NULL;
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jsval_t v;
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HRESULT hres;
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TRACE("\n");
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if(is_object_instance(vthis))
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jsthis = to_jsdisp(get_object(vthis));
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else if(ctx->version >= SCRIPTLANGUAGEVERSION_ES5)
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return JS_E_OBJECT_EXPECTED;
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if(!jsthis || ctx->version < 2) {
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if(r) {
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jsstr_t *str;
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str = jsstr_alloc(L"[object Error]");
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if(!str)
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return E_OUTOFMEMORY;
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*r = jsval_string(str);
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}
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return S_OK;
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}
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hres = jsdisp_propget_name(jsthis, L"name", &v);
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if(FAILED(hres))
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return hres;
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if(!is_undefined(v)) {
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hres = to_string(ctx, v, &name);
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jsval_release(v);
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if(FAILED(hres))
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return hres;
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}
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hres = jsdisp_propget_name(jsthis, L"message", &v);
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if(SUCCEEDED(hres)) {
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if(!is_undefined(v)) {
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hres = to_string(ctx, v, &msg);
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jsval_release(v);
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}
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}
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if(SUCCEEDED(hres)) {
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unsigned name_len = name ? jsstr_length(name) : 0;
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unsigned msg_len = msg ? jsstr_length(msg) : 0;
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if(name_len && msg_len) {
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WCHAR *ptr;
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ret = jsstr_alloc_buf(name_len + msg_len + 2, &ptr);
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if(ret) {
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jsstr_flush(name, ptr);
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ptr[name_len] = ':';
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ptr[name_len+1] = ' ';
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jsstr_flush(msg, ptr+name_len+2);
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}else {
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hres = E_OUTOFMEMORY;
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}
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}else if(name_len) {
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ret = name;
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name = NULL;
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}else if(msg_len) {
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ret = msg;
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msg = NULL;
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}else {
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ret = jsstr_alloc(L"[object Error]");
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}
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}
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if(msg)
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jsstr_release(msg);
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if(name)
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jsstr_release(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(r)
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*r = jsval_string(ret);
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else
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jsstr_release(ret);
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return S_OK;
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}
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static HRESULT Error_value(script_ctx_t *ctx, jsval_t vthis, WORD flags,
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unsigned argc, jsval_t *argv, jsval_t *r)
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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 JS_E_FUNCTION_EXPECTED;
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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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{L"toString", 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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Error_value,
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ARRAY_SIZE(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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Error_value,
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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, jsstr_t *msg, jsdisp_t **ret)
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{
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jsdisp_t *err;
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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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hres = jsdisp_define_data_property(err, L"number", PROPF_WRITABLE | PROPF_CONFIGURABLE,
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jsval_number((INT)number));
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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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hres = jsdisp_define_data_property(err, L"message",
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PROPF_WRITABLE | PROPF_ENUMERABLE | PROPF_CONFIGURABLE,
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jsval_string(msg));
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if(SUCCEEDED(hres))
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hres = jsdisp_define_data_property(err, L"description", PROPF_WRITABLE | PROPF_CONFIGURABLE,
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jsval_string(msg));
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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, unsigned argc, jsval_t *argv,
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jsval_t *r, jsdisp_t *constr) {
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jsdisp_t *err;
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UINT num = 0;
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jsstr_t *msg = NULL;
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HRESULT hres;
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if(argc) {
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double n;
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hres = to_number(ctx, argv[0], &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, argv[0], &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(!msg) {
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if(argc > 1) {
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hres = to_string(ctx, argv[1], &msg);
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if(FAILED(hres))
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return hres;
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}else {
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msg = jsstr_empty();
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}
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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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jsstr_release(msg);
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if(FAILED(hres))
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return hres;
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if(r)
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*r = jsval_obj(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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if(msg)
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jsstr_release(msg);
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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, jsval_t vthis, WORD flags,
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unsigned argc, jsval_t *argv, jsval_t *r)
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{
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TRACE("\n");
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return error_constr(ctx, flags, argc, argv, r, ctx->error_constr);
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}
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static HRESULT EvalErrorConstr_value(script_ctx_t *ctx, jsval_t vthis, WORD flags,
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unsigned argc, jsval_t *argv, jsval_t *r)
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{
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TRACE("\n");
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return error_constr(ctx, flags, argc, argv, r, ctx->eval_error_constr);
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}
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static HRESULT RangeErrorConstr_value(script_ctx_t *ctx, jsval_t vthis, WORD flags,
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unsigned argc, jsval_t *argv, jsval_t *r)
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{
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TRACE("\n");
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return error_constr(ctx, flags, argc, argv, r, ctx->range_error_constr);
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}
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static HRESULT ReferenceErrorConstr_value(script_ctx_t *ctx, jsval_t vthis, WORD flags,
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unsigned argc, jsval_t *argv, jsval_t *r)
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{
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TRACE("\n");
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return error_constr(ctx, flags, argc, argv, r, ctx->reference_error_constr);
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}
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static HRESULT RegExpErrorConstr_value(script_ctx_t *ctx, jsval_t vthis, WORD flags,
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unsigned argc, jsval_t *argv, jsval_t *r)
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{
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TRACE("\n");
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return error_constr(ctx, flags, argc, argv, r, ctx->regexp_error_constr);
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}
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static HRESULT SyntaxErrorConstr_value(script_ctx_t *ctx, jsval_t vthis, WORD flags,
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unsigned argc, jsval_t *argv, jsval_t *r)
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{
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TRACE("\n");
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return error_constr(ctx, flags, argc, argv, r, ctx->syntax_error_constr);
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}
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static HRESULT TypeErrorConstr_value(script_ctx_t *ctx, jsval_t vthis, WORD flags,
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unsigned argc, jsval_t *argv, jsval_t *r)
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{
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TRACE("\n");
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return error_constr(ctx, flags, argc, argv, r, ctx->type_error_constr);
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}
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static HRESULT URIErrorConstr_value(script_ctx_t *ctx, jsval_t vthis, WORD flags,
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unsigned argc, jsval_t *argv, jsval_t *r)
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{
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TRACE("\n");
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return error_constr(ctx, flags, argc, argv, r, 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 *names[] = {L"Error", L"EvalError", L"RangeError",
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L"ReferenceError", L"RegExpError", L"SyntaxError", L"TypeError", L"URIError"};
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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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unsigned int i;
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jsstr_t *str;
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HRESULT hres;
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for(i=0; i < ARRAY_SIZE(names); 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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str = jsstr_alloc(names[i]);
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if(!str) {
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jsdisp_release(err);
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return E_OUTOFMEMORY;
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}
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hres = jsdisp_define_data_property(err, L"name", PROPF_WRITABLE | PROPF_CONFIGURABLE,
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jsval_string(str));
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jsstr_release(str);
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if(SUCCEEDED(hres))
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hres = create_builtin_constructor(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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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 jsstr_t *format_error_message(HRESULT error, const WCHAR *arg)
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{
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size_t len, arg_len = 0;
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const WCHAR *res, *pos;
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WCHAR *buf, *p;
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jsstr_t *r;
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if(!is_jscript_error(error))
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return jsstr_empty();
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len = LoadStringW(jscript_hinstance, HRESULT_CODE(error), (WCHAR*)&res, 0);
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pos = wmemchr(res, '|', len);
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if(pos && arg)
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arg_len = lstrlenW(arg);
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r = jsstr_alloc_buf(len + arg_len - (pos ? 1 : 0), &buf);
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if(!r)
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return jsstr_empty();
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p = buf;
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if(pos > res) {
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memcpy(p, res, (pos - res) * sizeof(WCHAR));
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p += pos - res;
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}
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pos = pos ? pos + 1 : res;
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if(arg_len) {
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memcpy(p, arg, arg_len * sizeof(WCHAR));
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p += arg_len;
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}
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if(pos != res + len)
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memcpy(p, pos, (res + len - pos) * sizeof(WCHAR));
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return r;
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}
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HRESULT throw_error(script_ctx_t *ctx, HRESULT error, const WCHAR *str)
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{
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jsexcept_t *ei = ctx->ei;
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TRACE("%08lx\n", error);
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reset_ei(ei);
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ei->error = error;
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if(str)
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ei->message = format_error_message(error, str);
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return DISP_E_EXCEPTION;
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}
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void set_error_location(jsexcept_t *ei, bytecode_t *code, unsigned loc, unsigned source_id, jsstr_t *line)
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{
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if(is_jscript_error(ei->error)) {
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if(!ei->source) {
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const WCHAR *res;
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size_t len;
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len = LoadStringW(jscript_hinstance, source_id, (WCHAR*)&res, 0);
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ei->source = jsstr_alloc_len(res, len);
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}
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if(!ei->message)
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ei->message = format_error_message(ei->error, NULL);
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}
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TRACE("source %s in %s\n", debugstr_w(code->source + loc), debugstr_w(code->source));
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ei->code = bytecode_addref(code);
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ei->loc = loc;
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if(line)
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ei->line = jsstr_addref(line);
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}
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jsdisp_t *create_builtin_error(script_ctx_t *ctx)
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{
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jsdisp_t *constr = ctx->error_constr, *r;
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jsexcept_t *ei = ctx->ei;
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HRESULT hres;
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assert(FAILED(ei->error) && ei->error != DISP_E_EXCEPTION);
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if(is_jscript_error(ei->error)) {
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switch(ei->error) {
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case JS_E_SYNTAX:
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case JS_E_MISSING_SEMICOLON:
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case JS_E_MISSING_LBRACKET:
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case JS_E_MISSING_RBRACKET:
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case JS_E_EXPECTED_IDENTIFIER:
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case JS_E_EXPECTED_ASSIGN:
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case JS_E_INVALID_CHAR:
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case JS_E_UNTERMINATED_STRING:
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case JS_E_MISPLACED_RETURN:
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case JS_E_INVALID_BREAK:
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case JS_E_INVALID_CONTINUE:
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case JS_E_LABEL_REDEFINED:
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case JS_E_LABEL_NOT_FOUND:
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case JS_E_EXPECTED_CCEND:
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case JS_E_DISABLED_CC:
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case JS_E_EXPECTED_AT:
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constr = ctx->syntax_error_constr;
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break;
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case JS_E_TO_PRIMITIVE:
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case JS_E_INVALIDARG:
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case JS_E_OBJECT_REQUIRED:
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case JS_E_INVALID_PROPERTY:
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case JS_E_INVALID_ACTION:
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case JS_E_MISSING_ARG:
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case JS_E_FUNCTION_EXPECTED:
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case JS_E_DATE_EXPECTED:
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case JS_E_NUMBER_EXPECTED:
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case JS_E_OBJECT_EXPECTED:
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case JS_E_UNDEFINED_VARIABLE:
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case JS_E_BOOLEAN_EXPECTED:
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case JS_E_VBARRAY_EXPECTED:
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case JS_E_INVALID_DELETE:
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case JS_E_JSCRIPT_EXPECTED:
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case JS_E_ENUMERATOR_EXPECTED:
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case JS_E_REGEXP_EXPECTED:
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case JS_E_ARRAY_EXPECTED:
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case JS_E_CYCLIC_PROTO_VALUE:
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case JS_E_CANNOT_CREATE_FOR_NONEXTENSIBLE:
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case JS_E_OBJECT_NONEXTENSIBLE:
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case JS_E_NONCONFIGURABLE_REDEFINED:
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case JS_E_NONWRITABLE_MODIFIED:
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case JS_E_PROP_DESC_MISMATCH:
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case JS_E_INVALID_WRITABLE_PROP_DESC:
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constr = ctx->type_error_constr;
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break;
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case JS_E_SUBSCRIPT_OUT_OF_RANGE:
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case JS_E_FRACTION_DIGITS_OUT_OF_RANGE:
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case JS_E_PRECISION_OUT_OF_RANGE:
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case JS_E_INVALID_LENGTH:
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constr = ctx->range_error_constr;
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break;
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case JS_E_ILLEGAL_ASSIGN:
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constr = ctx->reference_error_constr;
|
|
break;
|
|
|
|
case JS_E_REGEXP_SYNTAX:
|
|
constr = ctx->regexp_error_constr;
|
|
break;
|
|
|
|
case JS_E_INVALID_URI_CODING:
|
|
case JS_E_INVALID_URI_CHAR:
|
|
constr = ctx->uri_error_constr;
|
|
break;
|
|
}
|
|
}
|
|
|
|
hres = create_error(ctx, constr, ei->error, ei->message ? ei->message : jsstr_empty(), &r);
|
|
return SUCCEEDED(hres) ? r : NULL;
|
|
}
|