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57a1a147a6
wine/dlls/jscript/global.c
Jacek Caban 9a7265becc jscript: Added Infinity value implementation.
2008-10-17 11:45:37 +02:00

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/*
* Copyright 2008 Jacek Caban for CodeWeavers
*
* 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>
#include "jscript.h"
#include "engine.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(jscript);
static const WCHAR NaNW[] = {'N','a','N',0};
static const WCHAR InfinityW[] = {'I','n','f','i','n','i','t','y',0};
static const WCHAR ArrayW[] = {'A','r','r','a','y',0};
static const WCHAR BooleanW[] = {'B','o','o','l','e','a','n',0};
static const WCHAR DateW[] = {'D','a','t','e',0};
static const WCHAR FunctionW[] = {'F','u','n','c','t','i','o','n',0};
static const WCHAR NumberW[] = {'N','u','m','b','e','r',0};
static const WCHAR ObjectW[] = {'O','b','j','e','c','t',0};
static const WCHAR StringW[] = {'S','t','r','i','n','g',0};
static const WCHAR RegExpW[] = {'R','e','g','E','x','p',0};
static const WCHAR ActiveXObjectW[] = {'A','c','t','i','v','e','X','O','b','j','e','c','t',0};
static const WCHAR VBArrayW[] = {'V','B','A','r','r','a','y',0};
static const WCHAR EnumeratorW[] = {'E','n','u','m','e','r','a','t','o','r',0};
static const WCHAR escapeW[] = {'e','s','c','a','p','e',0};
static const WCHAR evalW[] = {'e','v','a','l',0};
static const WCHAR isNaNW[] = {'i','s','N','a','N',0};
static const WCHAR isFiniteW[] = {'i','s','F','i','n','i','t','e',0};
static const WCHAR parseIntW[] = {'p','a','r','s','e','I','n','t',0};
static const WCHAR parseFloatW[] = {'p','a','r','s','e','F','l','o','a','t',0};
static const WCHAR unescapeW[] = {'u','n','e','s','c','a','p','e',0};
static const WCHAR GetObjectW[] = {'G','e','t','O','b','j','e','c','t',0};
static const WCHAR ScriptEngineW[] = {'S','c','r','i','p','t','E','n','g','i','n','e',0};
static const WCHAR ScriptEngineMajorVersionW[] =
{'S','c','r','i','p','t','E','n','g','i','n','e','M','a','j','o','r','V','e','r','s','i','o','n',0};
static const WCHAR ScriptEngineMinorVersionW[] =
{'S','c','r','i','p','t','E','n','g','i','n','e','M','i','n','o','r','V','e','r','s','i','o','n',0};
static const WCHAR ScriptEngineBuildVersionW[] =
{'S','c','r','i','p','t','E','n','g','i','n','e','B','u','i','l','d','V','e','r','s','i','o','n',0};
static const WCHAR CollectGarbageW[] = {'C','o','l','l','e','c','t','G','a','r','b','a','g','e',0};
static const WCHAR MathW[] = {'M','a','t','h',0};
static const WCHAR encodeURIW[] = {'e','n','c','o','d','e','U','R','I',0};
static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
static int uri_char_table[] = {
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 00-0f */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 10-1f */
0,2,0,0,1,0,1,2,2,2,2,1,1,2,2,1, /* 20-2f */
2,2,2,2,2,2,2,2,2,2,1,1,0,1,0,1, /* 30-3f */
1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 40-4f */
2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,2, /* 50-5f */
0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 60-6f */
2,2,2,2,2,2,2,2,2,2,2,0,0,0,2,0, /* 70-7f */
};
/* 1 - reserved */
/* 2 - unescaped */
static inline BOOL is_uri_reserved(WCHAR c)
{
return c < 128 && uri_char_table[c] == 1;
}
static inline BOOL is_uri_unescaped(WCHAR c)
{
return c < 128 && uri_char_table[c] == 2;
}
static WCHAR int_to_char(int i)
{
if(i < 10)
return '0'+i;
return 'A'+i-10;
}
static HRESULT constructor_call(DispatchEx *constr, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
if(flags != DISPATCH_PROPERTYGET)
return jsdisp_call_value(constr, lcid, flags, dp, retv, ei, sp);
V_VT(retv) = VT_DISPATCH;
V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(constr);
IDispatchEx_AddRef(_IDispatchEx_(constr));
return S_OK;
}
static HRESULT JSGlobal_NaN(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
TRACE("\n");
switch(flags) {
case DISPATCH_PROPERTYGET:
num_set_nan(retv);
break;
default:
FIXME("unimplemented flags %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
}
static HRESULT JSGlobal_Infinity(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
TRACE("\n");
switch(flags) {
case DISPATCH_PROPERTYGET:
num_set_inf(retv, TRUE);
break;
default:
FIXME("unimplemented flags %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
}
static HRESULT JSGlobal_Array(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
TRACE("\n");
return constructor_call(dispex->ctx->array_constr, lcid, flags, dp, retv, ei, sp);
}
static HRESULT JSGlobal_Boolean(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
TRACE("\n");
return constructor_call(dispex->ctx->bool_constr, lcid, flags, dp, retv, ei, sp);
}
static HRESULT JSGlobal_Date(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
TRACE("\n");
return constructor_call(dispex->ctx->date_constr, lcid, flags, dp, retv, ei, sp);
}
static HRESULT JSGlobal_Function(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
TRACE("\n");
return constructor_call(dispex->ctx->function_constr, lcid, flags, dp, retv, ei, sp);
}
static HRESULT JSGlobal_Number(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
TRACE("\n");
return constructor_call(dispex->ctx->number_constr, lcid, flags, dp, retv, ei, sp);
}
static HRESULT JSGlobal_Object(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
TRACE("\n");
return constructor_call(dispex->ctx->object_constr, lcid, flags, dp, retv, ei, sp);
}
static HRESULT JSGlobal_String(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
TRACE("\n");
return constructor_call(dispex->ctx->string_constr, lcid, flags, dp, retv, ei, sp);
}
static HRESULT JSGlobal_RegExp(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
TRACE("\n");
return constructor_call(dispex->ctx->regexp_constr, lcid, flags, dp, retv, ei, sp);
}
static HRESULT JSGlobal_ActiveXObject(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT JSGlobal_VBArray(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT JSGlobal_Enumerator(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT JSGlobal_escape(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
/* ECMA-262 3rd Edition 15.1.2.1 */
static HRESULT JSGlobal_eval(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
parser_ctx_t *parser_ctx;
VARIANT *arg;
HRESULT hres;
TRACE("\n");
if(!arg_cnt(dp)) {
if(retv)
V_VT(retv) = VT_EMPTY;
return S_OK;
}
arg = get_arg(dp, 0);
if(V_VT(arg) != VT_BSTR) {
if(retv) {
V_VT(retv) = VT_EMPTY;
return VariantCopy(retv, arg);
}
return S_OK;
}
if(!dispex->ctx->exec_ctx) {
FIXME("No active exec_ctx\n");
return E_UNEXPECTED;
}
TRACE("parsing %s\n", debugstr_w(V_BSTR(arg)));
hres = script_parse(dispex->ctx, V_BSTR(arg), &parser_ctx);
if(FAILED(hres)) {
WARN("parse (%s) failed: %08x\n", debugstr_w(V_BSTR(arg)), hres);
return hres;
}
hres = exec_source(dispex->ctx->exec_ctx, parser_ctx, parser_ctx->source, ei, retv);
parser_release(parser_ctx);
return hres;
}
static HRESULT JSGlobal_isNaN(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
VARIANT_BOOL ret = VARIANT_FALSE;
VARIANT num;
HRESULT hres;
TRACE("\n");
if(arg_cnt(dp)) {
hres = to_number(dispex->ctx, get_arg(dp,0), ei, &num);
if(FAILED(hres))
return hres;
if(V_VT(&num) == VT_R8 && isnan(V_R8(&num)))
ret = VARIANT_TRUE;
}else {
ret = VARIANT_TRUE;
}
if(retv) {
V_VT(retv) = VT_BOOL;
V_BOOL(retv) = ret;
}
return S_OK;
}
static HRESULT JSGlobal_isFinite(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
VARIANT_BOOL ret = VARIANT_FALSE;
HRESULT hres;
TRACE("\n");
if(arg_cnt(dp)) {
VARIANT num;
hres = to_number(dispex->ctx, get_arg(dp,0), ei, &num);
if(FAILED(hres))
return hres;
if(V_VT(&num) != VT_R8 || (!isinf(V_R8(&num)) && !isnan(V_R8(&num))))
ret = VARIANT_TRUE;
}
if(retv) {
V_VT(retv) = VT_BOOL;
V_BOOL(retv) = ret;
}
return S_OK;
}
static INT char_to_int(WCHAR c)
{
if('0' <= c && c <= '9')
return c - '0';
if('a' <= c && c <= 'z')
return c - 'a' + 10;
if('A' <= c && c <= 'Z')
return c - 'A' + 10;
return 100;
}
static HRESULT JSGlobal_parseInt(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
DOUBLE ret = 0.0;
INT radix=10, i;
WCHAR *ptr;
BOOL neg = FALSE;
BSTR str;
HRESULT hres;
if(!arg_cnt(dp)) {
FIXME("NAN\n");
return E_NOTIMPL;
}
if(arg_cnt(dp) >= 2) {
hres = to_int32(dispex->ctx, get_arg(dp, 1), ei, &radix);
if(FAILED(hres))
return hres;
if(!radix) {
radix = 10;
}else if(radix < 2 || radix > 36) {
WARN("radix %d out of range\n", radix);
return E_FAIL;
}
}
hres = to_string(dispex->ctx, get_arg(dp, 0), ei, &str);
if(FAILED(hres))
return hres;
for(ptr = str; isspaceW(*ptr); ptr++);
switch(*ptr) {
case '+':
ptr++;
break;
case '-':
neg = TRUE;
ptr++;
break;
case '0':
ptr++;
if(*ptr == 'x' || *ptr == 'X') {
radix = 16;
ptr++;
}
}
while(*ptr) {
i = char_to_int(*ptr++);
if(i > radix)
break;
ret = ret*radix + i;
}
SysFreeString(str);
if(neg)
ret = -ret;
if(retv)
num_set_val(retv, ret);
return S_OK;
}
static HRESULT JSGlobal_parseFloat(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT JSGlobal_unescape(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT JSGlobal_GetObject(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT JSGlobal_ScriptEngine(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT JSGlobal_ScriptEngineMajorVersion(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT JSGlobal_ScriptEngineMinorVersion(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT JSGlobal_ScriptEngineBuildVersion(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT JSGlobal_CollectGarbage(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT JSGlobal_encodeURI(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
const WCHAR *ptr;
DWORD len = 0, i;
char buf[4];
BSTR str, ret;
WCHAR *rptr;
HRESULT hres;
TRACE("\n");
if(!arg_cnt(dp)) {
if(retv) {
ret = SysAllocString(undefinedW);
if(!ret)
return E_OUTOFMEMORY;
V_VT(retv) = VT_BSTR;
V_BSTR(retv) = ret;
}
return S_OK;
}
hres = to_string(dispex->ctx, get_arg(dp,0), ei, &str);
if(FAILED(hres))
return hres;
for(ptr = str; *ptr; ptr++) {
if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
len++;
}else {
i = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL)*3;
if(!i) {
FIXME("throw URIError\n");
return E_FAIL;
}
len += i;
}
}
rptr = ret = SysAllocStringLen(NULL, len);
if(!ret)
return E_OUTOFMEMORY;
for(ptr = str; *ptr; ptr++) {
if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
*rptr++ = *ptr;
}else {
len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
for(i=0; i<len; i++) {
*rptr++ = '%';
*rptr++ = int_to_char((BYTE)buf[i] >> 4);
*rptr++ = int_to_char(buf[i] & 0x0f);
}
}
}
TRACE("%s -> %s\n", debugstr_w(str), debugstr_w(ret));
if(retv) {
V_VT(retv) = VT_BSTR;
V_BSTR(retv) = ret;
}else {
SysFreeString(ret);
}
return S_OK;
}
static const builtin_prop_t JSGlobal_props[] = {
{ActiveXObjectW, JSGlobal_ActiveXObject, PROPF_METHOD},
{ArrayW, JSGlobal_Array, PROPF_CONSTR},
{BooleanW, JSGlobal_Boolean, PROPF_CONSTR},
{CollectGarbageW, JSGlobal_CollectGarbage, PROPF_METHOD},
{DateW, JSGlobal_Date, PROPF_CONSTR},
{EnumeratorW, JSGlobal_Enumerator, PROPF_METHOD},
{FunctionW, JSGlobal_Function, PROPF_CONSTR},
{GetObjectW, JSGlobal_GetObject, PROPF_METHOD},
{InfinityW, JSGlobal_Infinity, 0},
/* {MathW, JSGlobal_Math, 0}, */
{NaNW, JSGlobal_NaN, 0},
{NumberW, JSGlobal_Number, PROPF_CONSTR},
{ObjectW, JSGlobal_Object, PROPF_CONSTR},
{RegExpW, JSGlobal_RegExp, PROPF_CONSTR},
{ScriptEngineW, JSGlobal_ScriptEngine, PROPF_METHOD},
{ScriptEngineBuildVersionW, JSGlobal_ScriptEngineBuildVersion, PROPF_METHOD},
{ScriptEngineMajorVersionW, JSGlobal_ScriptEngineMajorVersion, PROPF_METHOD},
{ScriptEngineMinorVersionW, JSGlobal_ScriptEngineMinorVersion, PROPF_METHOD},
{StringW, JSGlobal_String, PROPF_CONSTR},
{VBArrayW, JSGlobal_VBArray, PROPF_METHOD},
{encodeURIW, JSGlobal_encodeURI, PROPF_METHOD},
{escapeW, JSGlobal_escape, PROPF_METHOD},
{evalW, JSGlobal_eval, PROPF_METHOD|1},
{isFiniteW, JSGlobal_isFinite, PROPF_METHOD},
{isNaNW, JSGlobal_isNaN, PROPF_METHOD},
{parseFloatW, JSGlobal_parseFloat, PROPF_METHOD},
{parseIntW, JSGlobal_parseInt, PROPF_METHOD|2},
{unescapeW, JSGlobal_unescape, PROPF_METHOD}
};
static const builtin_info_t JSGlobal_info = {
JSCLASS_GLOBAL,
{NULL, NULL, 0},
sizeof(JSGlobal_props)/sizeof(*JSGlobal_props),
JSGlobal_props,
NULL,
NULL
};
static HRESULT init_constructors(script_ctx_t *ctx)
{
HRESULT hres;
hres = init_function_constr(ctx);
if(FAILED(hres))
return hres;
hres = create_array_constr(ctx, &ctx->array_constr);
if(FAILED(hres))
return hres;
hres = create_bool_constr(ctx, &ctx->bool_constr);
if(FAILED(hres))
return hres;
hres = create_date_constr(ctx, &ctx->date_constr);
if(FAILED(hres))
return hres;
hres = create_number_constr(ctx, &ctx->number_constr);
if(FAILED(hres))
return hres;
hres = create_object_constr(ctx, &ctx->object_constr);
if(FAILED(hres))
return hres;
hres = create_regexp_constr(ctx, &ctx->regexp_constr);
if(FAILED(hres))
return hres;
hres = create_string_constr(ctx, &ctx->string_constr);
if(FAILED(hres))
return hres;
return S_OK;
}
HRESULT init_global(script_ctx_t *ctx)
{
DispatchEx *math;
VARIANT var;
HRESULT hres;
if(ctx->global)
return S_OK;
hres = init_constructors(ctx);
if(FAILED(hres))
return hres;
hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
if(FAILED(hres))
return hres;
hres = create_math(ctx, &math);
if(FAILED(hres))
return hres;
V_VT(&var) = VT_DISPATCH;
V_DISPATCH(&var) = (IDispatch*)_IDispatchEx_(math);
hres = jsdisp_propput_name(ctx->global, MathW, ctx->lcid, &var, NULL/*FIXME*/, NULL/*FIXME*/);
jsdisp_release(math);
return hres;
}
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