reactos/dll/win32/jscript/error.c
2019-11-02 18:38:06 +01:00

449 lines
13 KiB
C

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