Sweden-Number/dlls/jscript/error.c

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/*
* 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
*/
#include "config.h"
#include "wine/port.h"
#include <math.h>
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#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};
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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};
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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,
DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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{
jsdisp_t *jsthis;
BSTR name = NULL, msg = NULL, ret = NULL;
VARIANT 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(retv) {
V_VT(retv) = VT_BSTR;
V_BSTR(retv) = SysAllocString(object_errorW);
if(!V_BSTR(retv))
return E_OUTOFMEMORY;
}
return S_OK;
}
hres = jsdisp_propget_name(jsthis, nameW, &v, ei);
if(FAILED(hres))
return hres;
if(V_VT(&v) != VT_EMPTY) {
hres = to_string(ctx, &v, ei, &name);
VariantClear(&v);
if(FAILED(hres))
return hres;
if(!*name) {
SysFreeString(name);
name = NULL;
}
}
hres = jsdisp_propget_name(jsthis, messageW, &v, ei);
if(SUCCEEDED(hres)) {
if(V_VT(&v) != VT_EMPTY) {
hres = to_string(ctx, &v, ei, &msg);
VariantClear(&v);
if(SUCCEEDED(hres) && !*msg) {
SysFreeString(msg);
msg = NULL;
}
}
}
if(SUCCEEDED(hres)) {
if(name && msg) {
DWORD name_len, msg_len;
name_len = SysStringLen(name);
msg_len = SysStringLen(msg);
ret = SysAllocStringLen(NULL, name_len + msg_len + 2);
if(ret) {
memcpy(ret, name, name_len*sizeof(WCHAR));
ret[name_len] = ':';
ret[name_len+1] = ' ';
memcpy(ret+name_len+2, msg, msg_len*sizeof(WCHAR));
}
}else if(name) {
ret = name;
name = NULL;
}else if(msg) {
ret = msg;
msg = NULL;
}else {
ret = SysAllocString(object_errorW);
}
}
SysFreeString(msg);
SysFreeString(name);
if(FAILED(hres))
return hres;
if(!ret)
return E_OUTOFMEMORY;
if(retv) {
V_VT(retv) = VT_BSTR;
V_BSTR(retv) = ret;
}else {
SysFreeString(ret);
}
return S_OK;
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}
static HRESULT Error_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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{
TRACE("\n");
switch(flags) {
case INVOKE_FUNC:
return throw_type_error(ctx, ei, JS_E_FUNCTION_EXPECTED, NULL);
default:
FIXME("unimplemented flags %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
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}
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},
sizeof(Error_props)/sizeof(*Error_props),
Error_props,
NULL,
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NULL
};
static const builtin_info_t ErrorInst_info = {
JSCLASS_ERROR,
{NULL, Error_value, 0},
0,
NULL,
NULL,
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NULL
};
static HRESULT alloc_error(script_ctx_t *ctx, jsdisp_t *prototype,
jsdisp_t *constr, jsdisp_t **ret)
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{
jsdisp_t *err;
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HRESULT hres;
err = heap_alloc_zero(sizeof(*err));
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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);
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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, const WCHAR *msg, jsdisp_t **ret)
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{
jsdisp_t *err;
VARIANT v;
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HRESULT hres;
hres = alloc_error(ctx, NULL, constr, &err);
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if(FAILED(hres))
return hres;
V_VT(&v) = VT_I4;
V_I4(&v) = number;
hres = jsdisp_propput_name(err, numberW, &v, NULL/*FIXME*/);
if(FAILED(hres)) {
jsdisp_release(err);
return hres;
}
V_VT(&v) = VT_BSTR;
if(msg) V_BSTR(&v) = SysAllocString(msg);
else V_BSTR(&v) = SysAllocStringLen(NULL, 0);
if(V_BSTR(&v)) {
hres = jsdisp_propput_name(err, messageW, &v, NULL/*FIXME*/);
if(SUCCEEDED(hres))
hres = jsdisp_propput_name(err, descriptionW, &v, NULL/*FIXME*/);
SysFreeString(V_BSTR(&v));
}else {
hres = E_OUTOFMEMORY;
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}
if(FAILED(hres)) {
jsdisp_release(err);
return hres;
}
*ret = err;
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return S_OK;
}
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static HRESULT error_constr(script_ctx_t *ctx, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, jsdisp_t *constr) {
jsdisp_t *err;
UINT num = 0;
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BSTR msg = NULL;
HRESULT hres;
if(arg_cnt(dp)) {
double n;
hres = to_number(ctx, get_arg(dp, 0), ei, &n);
if(FAILED(hres)) /* FIXME: really? */
n = ret_nan();
if(isnan(n))
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hres = to_string(ctx, get_arg(dp, 0), ei, &msg);
if(FAILED(hres))
return hres;
num = n;
}
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))
return hres;
}
switch(flags) {
case INVOKE_FUNC:
case DISPATCH_CONSTRUCT:
hres = create_error(ctx, constr, num, msg, &err);
SysFreeString(msg);
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if(FAILED(hres))
return hres;
if(retv)
var_set_jsdisp(retv, err);
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else
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jsdisp_release(err);
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return S_OK;
default:
FIXME("unimplemented flags %x\n", flags);
return E_NOTIMPL;
}
}
static HRESULT ErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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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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}
static HRESULT EvalErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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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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}
static HRESULT RangeErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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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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}
static HRESULT ReferenceErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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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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}
static HRESULT RegExpErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
{
TRACE("\n");
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return error_constr(ctx, flags, dp, retv, ei, ctx->regexp_error_constr);
}
static HRESULT SyntaxErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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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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}
static HRESULT TypeErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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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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}
static HRESULT URIErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
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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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}
HRESULT init_error_constr(script_ctx_t *ctx, jsdisp_t *object_prototype)
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{
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};
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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,
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&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};
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jsdisp_t *err;
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INT i;
VARIANT v;
HRESULT hres;
for(i=0; i < sizeof(names)/sizeof(names[0]); i++) {
hres = alloc_error(ctx, i==0 ? object_prototype : NULL, NULL, &err);
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if(FAILED(hres))
return hres;
V_VT(&v) = VT_BSTR;
V_BSTR(&v) = SysAllocString(names[i]);
if(!V_BSTR(&v)) {
jsdisp_release(err);
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return E_OUTOFMEMORY;
}
hres = jsdisp_propput_name(err, nameW, &v, NULL/*FIXME*/);
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if(SUCCEEDED(hres))
hres = create_builtin_function(ctx, constr_val[i], names[i], NULL,
PROPF_CONSTR|1, err, constr_addr[i]);
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jsdisp_release(err);
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VariantClear(&v);
if(FAILED(hres))
return hres;
}
return S_OK;
}
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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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{
WCHAR buf[1024], *pos = NULL;
jsdisp_t *err;
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HRESULT hres;
if(!is_jscript_error(error))
return error;
buf[0] = '\0';
LoadStringW(jscript_hinstance, HRESULT_CODE(error), buf, sizeof(buf)/sizeof(WCHAR));
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if(str) pos = strchrW(buf, '|');
if(pos) {
int len = strlenW(str);
memmove(pos+len, pos+1, (strlenW(pos+1)+1)*sizeof(WCHAR));
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memcpy(pos, str, len*sizeof(WCHAR));
}
WARN("%s\n", debugstr_w(buf));
hres = create_error(ctx, constr, error, buf, &err);
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if(FAILED(hres))
return hres;
if(ei)
var_set_jsdisp(&ei->var, err);
return error;
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}
HRESULT throw_generic_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
{
return throw_error(ctx, ei, error, str, ctx->error_constr);
}
HRESULT throw_range_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
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{
return throw_error(ctx, ei, error, str, ctx->range_error_constr);
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}
HRESULT throw_reference_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
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{
return throw_error(ctx, ei, error, str, ctx->reference_error_constr);
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}
HRESULT throw_regexp_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
{
return throw_error(ctx, ei, error, str, ctx->regexp_error_constr);
}
HRESULT throw_syntax_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
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{
return throw_error(ctx, ei, error, str, ctx->syntax_error_constr);
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}
HRESULT throw_type_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
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{
return throw_error(ctx, ei, error, str, ctx->type_error_constr);
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}
HRESULT throw_uri_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
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{
return throw_error(ctx, ei, error, str, ctx->uri_error_constr);
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}