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Sweden-Number/dlls/jscript/engine.c

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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);
#define EXPR_NOVAL 0x0001
#define EXPR_NEWREF 0x0002
#define EXPR_STRREF 0x0004
static inline HRESULT stat_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
{
return stat->eval(ctx, stat, rt, ret);
}
static inline HRESULT expr_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
return _expr->eval(ctx, _expr, flags, ei, ret);
}
static void exprval_release(exprval_t *val)
{
switch(val->type) {
case EXPRVAL_VARIANT:
if(V_VT(&val->u.var) != VT_EMPTY)
VariantClear(&val->u.var);
return;
case EXPRVAL_IDREF:
if(val->u.idref.disp)
IDispatch_Release(val->u.idref.disp);
return;
case EXPRVAL_NAMEREF:
if(val->u.nameref.disp)
IDispatch_Release(val->u.nameref.disp);
SysFreeString(val->u.nameref.name);
return;
case EXPRVAL_INVALID:
SysFreeString(val->u.identifier);
}
}
/* ECMA-262 3rd Edition 8.7.1 */
static HRESULT exprval_value(script_ctx_t *ctx, exprval_t *val, jsexcept_t *ei, VARIANT *ret)
{
V_VT(ret) = VT_EMPTY;
switch(val->type) {
case EXPRVAL_VARIANT:
return VariantCopy(ret, &val->u.var);
case EXPRVAL_IDREF:
if(!val->u.idref.disp) {
FIXME("throw ReferenceError\n");
return E_FAIL;
}
return disp_propget(ctx, val->u.idref.disp, val->u.idref.id, ret, ei, NULL/*FIXME*/);
case EXPRVAL_NAMEREF:
break;
case EXPRVAL_INVALID:
return throw_type_error(ctx, ei, IDS_UNDEFINED, val->u.identifier);
}
ERR("type %d\n", val->type);
return E_FAIL;
}
static HRESULT exprval_to_value(script_ctx_t *ctx, exprval_t *val, jsexcept_t *ei, VARIANT *ret)
{
if(val->type == EXPRVAL_VARIANT) {
*ret = val->u.var;
V_VT(&val->u.var) = VT_EMPTY;
return S_OK;
}
return exprval_value(ctx, val, ei, ret);
}
static HRESULT exprval_to_boolean(script_ctx_t *ctx, exprval_t *exprval, jsexcept_t *ei, VARIANT_BOOL *b)
{
if(exprval->type != EXPRVAL_VARIANT) {
VARIANT val;
HRESULT hres;
hres = exprval_to_value(ctx, exprval, ei, &val);
if(FAILED(hres))
return hres;
hres = to_boolean(&val, b);
VariantClear(&val);
return hres;
}
return to_boolean(&exprval->u.var, b);
}
static void exprval_init(exprval_t *val)
{
val->type = EXPRVAL_VARIANT;
V_VT(&val->u.var) = VT_EMPTY;
}
static void exprval_set_idref(exprval_t *val, IDispatch *disp, DISPID id)
{
val->type = EXPRVAL_IDREF;
val->u.idref.disp = disp;
val->u.idref.id = id;
if(disp)
IDispatch_AddRef(disp);
}
HRESULT scope_push(scope_chain_t *scope, DispatchEx *obj, scope_chain_t **ret)
{
scope_chain_t *new_scope;
new_scope = heap_alloc(sizeof(scope_chain_t));
if(!new_scope)
return E_OUTOFMEMORY;
new_scope->ref = 1;
IDispatchEx_AddRef(_IDispatchEx_(obj));
new_scope->obj = obj;
if(scope) {
scope_addref(scope);
new_scope->next = scope;
}else {
new_scope->next = NULL;
}
*ret = new_scope;
return S_OK;
}
static void scope_pop(scope_chain_t **scope)
{
scope_chain_t *tmp;
tmp = *scope;
*scope = tmp->next;
scope_release(tmp);
}
void scope_release(scope_chain_t *scope)
{
if(--scope->ref)
return;
if(scope->next)
scope_release(scope->next);
jsdisp_release(scope->obj);
heap_free(scope);
}
HRESULT create_exec_ctx(script_ctx_t *script_ctx, IDispatch *this_obj, DispatchEx *var_disp,
scope_chain_t *scope, exec_ctx_t **ret)
{
exec_ctx_t *ctx;
ctx = heap_alloc_zero(sizeof(exec_ctx_t));
if(!ctx)
return E_OUTOFMEMORY;
ctx->ref = 1;
if(this_obj)
ctx->this_obj = this_obj;
else if(script_ctx->host_global)
ctx->this_obj = script_ctx->host_global;
else
ctx->this_obj = (IDispatch*)_IDispatchEx_(script_ctx->global);
IDispatch_AddRef(ctx->this_obj);
IDispatchEx_AddRef(_IDispatchEx_(var_disp));
ctx->var_disp = var_disp;
if(scope) {
scope_addref(scope);
ctx->scope_chain = scope;
}
*ret = ctx;
return S_OK;
}
void exec_release(exec_ctx_t *ctx)
{
if(--ctx->ref)
return;
if(ctx->scope_chain)
scope_release(ctx->scope_chain);
if(ctx->var_disp)
jsdisp_release(ctx->var_disp);
if(ctx->this_obj)
IDispatch_Release(ctx->this_obj);
heap_free(ctx);
}
static HRESULT disp_get_id(script_ctx_t *ctx, IDispatch *disp, BSTR name, DWORD flags, DISPID *id)
{
IDispatchEx *dispex;
HRESULT hres;
hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
if(FAILED(hres)) {
TRACE("unsing IDispatch\n");
*id = 0;
return IDispatch_GetIDsOfNames(disp, &IID_NULL, &name, 1, 0, id);
}
*id = 0;
hres = IDispatchEx_GetDispID(dispex, name, make_grfdex(ctx, flags|fdexNameCaseSensitive), id);
IDispatchEx_Release(dispex);
return hres;
}
/* ECMA-262 3rd Edition 8.7.2 */
static HRESULT put_value(script_ctx_t *ctx, exprval_t *ref, VARIANT *v, jsexcept_t *ei)
{
if(ref->type != EXPRVAL_IDREF)
return throw_reference_error(ctx, ei, IDS_ILLEGAL_ASSIGN, NULL);
return disp_propput(ctx, ref->u.idref.disp, ref->u.idref.id, v, ei, NULL/*FIXME*/);
}
static inline BOOL is_null(const VARIANT *v)
{
return V_VT(v) == VT_NULL || (V_VT(v) == VT_DISPATCH && !V_DISPATCH(v));
}
static HRESULT disp_cmp(IDispatch *disp1, IDispatch *disp2, BOOL *ret)
{
IObjectIdentity *identity;
IUnknown *unk1, *unk2;
HRESULT hres;
if(disp1 == disp2) {
*ret = TRUE;
return S_OK;
}
if(!disp1 || !disp2) {
*ret = FALSE;
return S_OK;
}
hres = IDispatch_QueryInterface(disp1, &IID_IUnknown, (void**)&unk1);
if(FAILED(hres))
return hres;
hres = IDispatch_QueryInterface(disp2, &IID_IUnknown, (void**)&unk2);
if(FAILED(hres)) {
IUnknown_Release(unk1);
return hres;
}
if(unk1 == unk2) {
*ret = TRUE;
}else {
hres = IUnknown_QueryInterface(unk1, &IID_IObjectIdentity, (void**)&identity);
if(SUCCEEDED(hres)) {
hres = IObjectIdentity_IsEqualObject(identity, unk2);
IObjectIdentity_Release(identity);
*ret = hres == S_OK;
}else {
*ret = FALSE;
}
}
IUnknown_Release(unk1);
IUnknown_Release(unk2);
return S_OK;
}
/* ECMA-262 3rd Edition 11.9.6 */
static HRESULT equal2_values(VARIANT *lval, VARIANT *rval, BOOL *ret)
{
TRACE("\n");
if(V_VT(lval) != V_VT(rval)) {
if(is_num_vt(V_VT(lval)) && is_num_vt(V_VT(rval)))
*ret = num_val(lval) == num_val(rval);
else if(is_null(lval))
*ret = is_null(rval);
else
*ret = FALSE;
return S_OK;
}
switch(V_VT(lval)) {
case VT_EMPTY:
case VT_NULL:
*ret = VARIANT_TRUE;
break;
case VT_I4:
*ret = V_I4(lval) == V_I4(rval);
break;
case VT_R8:
*ret = V_R8(lval) == V_R8(rval);
break;
case VT_BSTR:
if(!V_BSTR(lval))
*ret = SysStringLen(V_BSTR(rval))?FALSE:TRUE;
else if(!V_BSTR(rval))
*ret = SysStringLen(V_BSTR(lval))?FALSE:TRUE;
else
*ret = !strcmpW(V_BSTR(lval), V_BSTR(rval));
break;
case VT_DISPATCH:
return disp_cmp(V_DISPATCH(lval), V_DISPATCH(rval), ret);
case VT_BOOL:
*ret = !V_BOOL(lval) == !V_BOOL(rval);
break;
default:
FIXME("unimplemented vt %d\n", V_VT(lval));
return E_NOTIMPL;
}
return S_OK;
}
static HRESULT literal_to_var(script_ctx_t *ctx, literal_t *literal, VARIANT *v)
{
switch(literal->type) {
case LT_NULL:
V_VT(v) = VT_NULL;
break;
case LT_INT:
V_VT(v) = VT_I4;
V_I4(v) = literal->u.lval;
break;
case LT_DOUBLE:
V_VT(v) = VT_R8;
V_R8(v) = literal->u.dval;
break;
case LT_STRING: {
BSTR str = SysAllocString(literal->u.wstr);
if(!str)
return E_OUTOFMEMORY;
V_VT(v) = VT_BSTR;
V_BSTR(v) = str;
break;
}
case LT_BOOL:
V_VT(v) = VT_BOOL;
V_BOOL(v) = literal->u.bval;
break;
case LT_REGEXP: {
DispatchEx *regexp;
HRESULT hres;
hres = create_regexp(ctx, literal->u.regexp.str, literal->u.regexp.str_len,
literal->u.regexp.flags, &regexp);
if(FAILED(hres))
return hres;
V_VT(v) = VT_DISPATCH;
V_DISPATCH(v) = (IDispatch*)_IDispatchEx_(regexp);
}
}
return S_OK;
}
static BOOL lookup_global_members(script_ctx_t *ctx, BSTR identifier, exprval_t *ret)
{
named_item_t *item;
DISPID id;
HRESULT hres;
for(item = ctx->named_items; item; item = item->next) {
if(item->flags & SCRIPTITEM_GLOBALMEMBERS) {
hres = disp_get_id(ctx, item->disp, identifier, 0, &id);
if(SUCCEEDED(hres)) {
if(ret)
exprval_set_idref(ret, item->disp, id);
return TRUE;
}
}
}
return FALSE;
}
HRESULT exec_source(exec_ctx_t *ctx, parser_ctx_t *parser, source_elements_t *source, exec_type_t exec_type,
jsexcept_t *ei, VARIANT *retv)
{
script_ctx_t *script = parser->script;
function_declaration_t *func;
parser_ctx_t *prev_parser;
var_list_t *var;
VARIANT val, tmp;
statement_t *stat;
exec_ctx_t *prev_ctx;
return_type_t rt;
HRESULT hres = S_OK;
for(func = source->functions; func; func = func->next) {
DispatchEx *func_obj;
VARIANT var;
hres = create_source_function(parser, func->expr->parameter_list, func->expr->source_elements,
ctx->scope_chain, func->expr->src_str, func->expr->src_len, &func_obj);
if(FAILED(hres))
return hres;
V_VT(&var) = VT_DISPATCH;
V_DISPATCH(&var) = (IDispatch*)_IDispatchEx_(func_obj);
hres = jsdisp_propput_name(ctx->var_disp, func->expr->identifier, &var, ei, NULL);
jsdisp_release(func_obj);
if(FAILED(hres))
return hres;
}
for(var = source->variables; var; var = var->next) {
DISPID id = 0;
BSTR name;
name = SysAllocString(var->identifier);
if(!name)
return E_OUTOFMEMORY;
if(!lookup_global_members(parser->script, name, NULL))
hres = jsdisp_get_id(ctx->var_disp, var->identifier, fdexNameEnsure, &id);
SysFreeString(name);
if(FAILED(hres))
return hres;
}
prev_ctx = script->exec_ctx;
script->exec_ctx = ctx;
prev_parser = ctx->parser;
ctx->parser = parser;
V_VT(&val) = VT_EMPTY;
memset(&rt, 0, sizeof(rt));
rt.type = RT_NORMAL;
for(stat = source->statement; stat; stat = stat->next) {
hres = stat_eval(ctx, stat, &rt, &tmp);
if(FAILED(hres))
break;
VariantClear(&val);
val = tmp;
if(rt.type != RT_NORMAL)
break;
}
script->exec_ctx = prev_ctx;
ctx->parser = prev_parser;
if(rt.type != RT_NORMAL && rt.type != RT_RETURN) {
FIXME("wrong rt %d\n", rt.type);
hres = E_FAIL;
}
*ei = rt.ei;
if(FAILED(hres)) {
VariantClear(&val);
return hres;
}
if(retv && (exec_type == EXECT_EVAL || rt.type == RT_RETURN))
*retv = val;
else
VariantClear(&val);
return S_OK;
}
/* ECMA-262 3rd Edition 10.1.4 */
static HRESULT identifier_eval(exec_ctx_t *ctx, BSTR identifier, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
scope_chain_t *scope;
named_item_t *item;
DISPID id = 0;
HRESULT hres;
TRACE("%s\n", debugstr_w(identifier));
for(scope = ctx->scope_chain; scope; scope = scope->next) {
hres = jsdisp_get_id(scope->obj, identifier, 0, &id);
if(SUCCEEDED(hres))
break;
}
if(scope) {
exprval_set_idref(ret, (IDispatch*)_IDispatchEx_(scope->obj), id);
return S_OK;
}
hres = jsdisp_get_id(ctx->parser->script->global, identifier, 0, &id);
if(SUCCEEDED(hres)) {
exprval_set_idref(ret, (IDispatch*)_IDispatchEx_(ctx->parser->script->global), id);
return S_OK;
}
for(item = ctx->parser->script->named_items; item; item = item->next) {
if((item->flags & SCRIPTITEM_ISVISIBLE) && !strcmpW(item->name, identifier)) {
if(!item->disp) {
IUnknown *unk;
if(!ctx->parser->script->site)
break;
hres = IActiveScriptSite_GetItemInfo(ctx->parser->script->site, identifier,
SCRIPTINFO_IUNKNOWN, &unk, NULL);
if(FAILED(hres)) {
WARN("GetItemInfo failed: %08x\n", hres);
break;
}
hres = IUnknown_QueryInterface(unk, &IID_IDispatch, (void**)&item->disp);
IUnknown_Release(unk);
if(FAILED(hres)) {
WARN("object does not implement IDispatch\n");
break;
}
}
ret->type = EXPRVAL_VARIANT;
V_VT(&ret->u.var) = VT_DISPATCH;
V_DISPATCH(&ret->u.var) = item->disp;
IDispatch_AddRef(item->disp);
return S_OK;
}
}
if(lookup_global_members(ctx->parser->script, identifier, ret))
return S_OK;
if(flags & EXPR_NEWREF) {
hres = jsdisp_get_id(ctx->parser->script->global, identifier, fdexNameEnsure, &id);
if(FAILED(hres))
return hres;
exprval_set_idref(ret, (IDispatch*)_IDispatchEx_(ctx->parser->script->global), id);
return S_OK;
}
ret->type = EXPRVAL_INVALID;
ret->u.identifier = SysAllocString(identifier);
if(!ret->u.identifier)
return E_OUTOFMEMORY;
return S_OK;
}
/* ECMA-262 3rd Edition 12.1 */
HRESULT block_statement_eval(exec_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
{
block_statement_t *stat = (block_statement_t*)_stat;
VARIANT val, tmp;
statement_t *iter;
HRESULT hres = S_OK;
TRACE("\n");
V_VT(&val) = VT_EMPTY;
for(iter = stat->stat_list; iter; iter = iter->next) {
hres = stat_eval(ctx, iter, rt, &tmp);
if(FAILED(hres))
break;
VariantClear(&val);
val = tmp;
if(rt->type != RT_NORMAL)
break;
}
if(FAILED(hres)) {
VariantClear(&val);
return hres;
}
*ret = val;
return S_OK;
}
/* ECMA-262 3rd Edition 12.2 */
static HRESULT variable_list_eval(exec_ctx_t *ctx, variable_declaration_t *var_list, jsexcept_t *ei)
{
variable_declaration_t *iter;
HRESULT hres = S_OK;
for(iter = var_list; iter; iter = iter->next) {
exprval_t exprval;
VARIANT val;
if(!iter->expr)
continue;
hres = expr_eval(ctx, iter->expr, 0, ei, &exprval);
if(FAILED(hres))
break;
hres = exprval_to_value(ctx->parser->script, &exprval, ei, &val);
exprval_release(&exprval);
if(FAILED(hres))
break;
hres = jsdisp_propput_name(ctx->var_disp, iter->identifier, &val, ei, NULL/*FIXME*/);
VariantClear(&val);
if(FAILED(hres))
break;
}
return hres;
}
/* ECMA-262 3rd Edition 12.2 */
HRESULT var_statement_eval(exec_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
{
var_statement_t *stat = (var_statement_t*)_stat;
HRESULT hres;
TRACE("\n");
hres = variable_list_eval(ctx, stat->variable_list, &rt->ei);
if(FAILED(hres))
return hres;
V_VT(ret) = VT_EMPTY;
return S_OK;
}
/* ECMA-262 3rd Edition 12.3 */
HRESULT empty_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
{
TRACE("\n");
V_VT(ret) = VT_EMPTY;
return S_OK;
}
/* ECMA-262 3rd Edition 12.4 */
HRESULT expression_statement_eval(exec_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
{
expression_statement_t *stat = (expression_statement_t*)_stat;
exprval_t exprval;
VARIANT val;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, stat->expr, EXPR_NOVAL, &rt->ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, &rt->ei, &val);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
*ret = val;
TRACE("= %s\n", debugstr_variant(ret));
return S_OK;
}
/* ECMA-262 3rd Edition 12.5 */
HRESULT if_statement_eval(exec_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
{
if_statement_t *stat = (if_statement_t*)_stat;
exprval_t exprval;
VARIANT_BOOL b;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, stat->expr, 0, &rt->ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_boolean(ctx->parser->script, &exprval, &rt->ei, &b);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
if(b)
hres = stat_eval(ctx, stat->if_stat, rt, ret);
else if(stat->else_stat)
hres = stat_eval(ctx, stat->else_stat, rt, ret);
else
V_VT(ret) = VT_EMPTY;
return hres;
}
/* ECMA-262 3rd Edition 12.6.2 */
HRESULT while_statement_eval(exec_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
{
while_statement_t *stat = (while_statement_t*)_stat;
exprval_t exprval;
VARIANT val, tmp;
VARIANT_BOOL b;
BOOL test_expr;
HRESULT hres;
TRACE("\n");
V_VT(&val) = VT_EMPTY;
test_expr = !stat->do_while;
while(1) {
if(test_expr) {
hres = expr_eval(ctx, stat->expr, 0, &rt->ei, &exprval);
if(FAILED(hres))
break;
hres = exprval_to_boolean(ctx->parser->script, &exprval, &rt->ei, &b);
exprval_release(&exprval);
if(FAILED(hres) || !b)
break;
}else {
test_expr = TRUE;
}
hres = stat_eval(ctx, stat->statement, rt, &tmp);
if(FAILED(hres))
break;
VariantClear(&val);
val = tmp;
if(rt->type == RT_CONTINUE)
rt->type = RT_NORMAL;
if(rt->type != RT_NORMAL)
break;
}
if(FAILED(hres)) {
VariantClear(&val);
return hres;
}
if(rt->type == RT_BREAK)
rt->type = RT_NORMAL;
*ret = val;
return S_OK;
}
/* ECMA-262 3rd Edition 12.6.3 */
HRESULT for_statement_eval(exec_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
{
for_statement_t *stat = (for_statement_t*)_stat;
VARIANT val, tmp, retv;
exprval_t exprval;
VARIANT_BOOL b;
HRESULT hres;
TRACE("\n");
if(stat->variable_list) {
hres = variable_list_eval(ctx, stat->variable_list, &rt->ei);
if(FAILED(hres))
return hres;
}else if(stat->begin_expr) {
hres = expr_eval(ctx, stat->begin_expr, EXPR_NEWREF, &rt->ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, &rt->ei, &val);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
VariantClear(&val);
}
V_VT(&retv) = VT_EMPTY;
while(1) {
if(stat->expr) {
hres = expr_eval(ctx, stat->expr, 0, &rt->ei, &exprval);
if(FAILED(hres))
break;
hres = exprval_to_boolean(ctx->parser->script, &exprval, &rt->ei, &b);
exprval_release(&exprval);
if(FAILED(hres) || !b)
break;
}
hres = stat_eval(ctx, stat->statement, rt, &tmp);
if(FAILED(hres))
break;
VariantClear(&retv);
retv = tmp;
if(rt->type == RT_CONTINUE)
rt->type = RT_NORMAL;
else if(rt->type != RT_NORMAL)
break;
if(stat->end_expr) {
hres = expr_eval(ctx, stat->end_expr, 0, &rt->ei, &exprval);
if(FAILED(hres))
break;
hres = exprval_to_value(ctx->parser->script, &exprval, &rt->ei, &val);
exprval_release(&exprval);
if(FAILED(hres))
break;
VariantClear(&val);
}
}
if(FAILED(hres)) {
VariantClear(&retv);
return hres;
}
if(rt->type == RT_BREAK)
rt->type = RT_NORMAL;
*ret = retv;
return S_OK;
}
/* ECMA-262 3rd Edition 12.6.4 */
HRESULT forin_statement_eval(exec_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
{
forin_statement_t *stat = (forin_statement_t*)_stat;
VARIANT val, name, retv, tmp;
DISPID id = DISPID_STARTENUM;
BSTR str, identifier = NULL;
IDispatchEx *in_obj;
exprval_t exprval;
HRESULT hres;
TRACE("\n");
if(stat->variable) {
hres = variable_list_eval(ctx, stat->variable, &rt->ei);
if(FAILED(hres))
return hres;
}
hres = expr_eval(ctx, stat->in_expr, EXPR_NEWREF, &rt->ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, &rt->ei, &val);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
if(V_VT(&val) != VT_DISPATCH) {
TRACE("in vt %d\n", V_VT(&val));
VariantClear(&val);
V_VT(ret) = VT_EMPTY;
return S_OK;
}
hres = IDispatch_QueryInterface(V_DISPATCH(&val), &IID_IDispatchEx, (void**)&in_obj);
IDispatch_Release(V_DISPATCH(&val));
if(FAILED(hres)) {
FIXME("Object doesn't support IDispatchEx\n");
return E_NOTIMPL;
}
V_VT(&retv) = VT_EMPTY;
if(stat->variable)
identifier = SysAllocString(stat->variable->identifier);
while(1) {
hres = IDispatchEx_GetNextDispID(in_obj, fdexEnumDefault, id, &id);
if(FAILED(hres) || hres == S_FALSE)
break;
hres = IDispatchEx_GetMemberName(in_obj, id, &str);
if(FAILED(hres))
break;
TRACE("iter %s\n", debugstr_w(str));
if(stat->variable)
hres = identifier_eval(ctx, identifier, 0, NULL, &exprval);
else
hres = expr_eval(ctx, stat->expr, EXPR_NEWREF, &rt->ei, &exprval);
if(SUCCEEDED(hres)) {
V_VT(&name) = VT_BSTR;
V_BSTR(&name) = str;
hres = put_value(ctx->parser->script, &exprval, &name, &rt->ei);
exprval_release(&exprval);
}
SysFreeString(str);
if(FAILED(hres))
break;
hres = stat_eval(ctx, stat->statement, rt, &tmp);
if(FAILED(hres))
break;
VariantClear(&retv);
retv = tmp;
if(rt->type == RT_CONTINUE)
rt->type = RT_NORMAL;
else if(rt->type != RT_NORMAL)
break;
}
SysFreeString(identifier);
IDispatchEx_Release(in_obj);
if(FAILED(hres)) {
VariantClear(&retv);
return hres;
}
if(rt->type == RT_BREAK)
rt->type = RT_NORMAL;
*ret = retv;
return S_OK;
}
/* ECMA-262 3rd Edition 12.7 */
HRESULT continue_statement_eval(exec_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
{
branch_statement_t *stat = (branch_statement_t*)_stat;
TRACE("\n");
if(stat->identifier) {
FIXME("indentifier not implemented\n");
return E_NOTIMPL;
}
rt->type = RT_CONTINUE;
V_VT(ret) = VT_EMPTY;
return S_OK;
}
/* ECMA-262 3rd Edition 12.8 */
HRESULT break_statement_eval(exec_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
{
branch_statement_t *stat = (branch_statement_t*)_stat;
TRACE("\n");
if(stat->identifier) {
FIXME("indentifier not implemented\n");
return E_NOTIMPL;
}
rt->type = RT_BREAK;
V_VT(ret) = VT_EMPTY;
return S_OK;
}
/* ECMA-262 3rd Edition 12.9 */
HRESULT return_statement_eval(exec_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
{
expression_statement_t *stat = (expression_statement_t*)_stat;
HRESULT hres;
TRACE("\n");
if(stat->expr) {
exprval_t exprval;
hres = expr_eval(ctx, stat->expr, 0, &rt->ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, &rt->ei, ret);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
}else {
V_VT(ret) = VT_EMPTY;
}
TRACE("= %s\n", debugstr_variant(ret));
rt->type = RT_RETURN;
return S_OK;
}
/* ECMA-262 3rd Edition 12.10 */
HRESULT with_statement_eval(exec_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
{
with_statement_t *stat = (with_statement_t*)_stat;
exprval_t exprval;
IDispatch *disp;
DispatchEx *obj;
VARIANT val;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, stat->expr, 0, &rt->ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, &rt->ei, &val);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
hres = to_object(ctx->parser->script, &val, &disp);
VariantClear(&val);
if(FAILED(hres))
return hres;
obj = iface_to_jsdisp((IUnknown*)disp);
IDispatch_Release(disp);
if(!obj) {
FIXME("disp id not jsdisp\n");
return E_NOTIMPL;
}
hres = scope_push(ctx->scope_chain, obj, &ctx->scope_chain);
jsdisp_release(obj);
if(FAILED(hres))
return hres;
hres = stat_eval(ctx, stat->statement, rt, ret);
scope_pop(&ctx->scope_chain);
return hres;
}
/* ECMA-262 3rd Edition 12.12 */
HRESULT labelled_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
{
FIXME("\n");
return E_NOTIMPL;
}
/* ECMA-262 3rd Edition 12.13 */
HRESULT switch_statement_eval(exec_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
{
switch_statement_t *stat = (switch_statement_t*)_stat;
case_clausule_t *iter, *default_clausule = NULL;
statement_t *stat_iter;
VARIANT val, cval;
exprval_t exprval;
BOOL b;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, stat->expr, 0, &rt->ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, &rt->ei, &val);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
for(iter = stat->case_list; iter; iter = iter->next) {
if(!iter->expr) {
default_clausule = iter;
continue;
}
hres = expr_eval(ctx, iter->expr, 0, &rt->ei, &exprval);
if(FAILED(hres))
break;
hres = exprval_to_value(ctx->parser->script, &exprval, &rt->ei, &cval);
exprval_release(&exprval);
if(FAILED(hres))
break;
hres = equal2_values(&val, &cval, &b);
VariantClear(&cval);
if(FAILED(hres) || b)
break;
}
VariantClear(&val);
if(FAILED(hres))
return hres;
if(!iter)
iter = default_clausule;
V_VT(&val) = VT_EMPTY;
if(iter) {
VARIANT tmp;
for(stat_iter = iter->stat; stat_iter; stat_iter = stat_iter->next) {
hres = stat_eval(ctx, stat_iter, rt, &tmp);
if(FAILED(hres))
break;
VariantClear(&val);
val = tmp;
if(rt->type != RT_NORMAL)
break;
}
}
if(FAILED(hres)) {
VariantClear(&val);
return hres;
}
if(rt->type == RT_BREAK)
rt->type = RT_NORMAL;
*ret = val;
return S_OK;
}
/* ECMA-262 3rd Edition 12.13 */
HRESULT throw_statement_eval(exec_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
{
expression_statement_t *stat = (expression_statement_t*)_stat;
exprval_t exprval;
VARIANT val;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, stat->expr, 0, &rt->ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, &rt->ei, &val);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
rt->ei.var = val;
return DISP_E_EXCEPTION;
}
/* ECMA-262 3rd Edition 12.14 */
static HRESULT catch_eval(exec_ctx_t *ctx, catch_block_t *block, return_type_t *rt, VARIANT *ret)
{
DispatchEx *var_disp;
VARIANT ex, val;
HRESULT hres;
ex = rt->ei.var;
memset(&rt->ei, 0, sizeof(jsexcept_t));
hres = create_dispex(ctx->parser->script, NULL, NULL, &var_disp);
if(SUCCEEDED(hres)) {
hres = jsdisp_propput_name(var_disp, block->identifier, &ex, &rt->ei, NULL/*FIXME*/);
if(SUCCEEDED(hres)) {
hres = scope_push(ctx->scope_chain, var_disp, &ctx->scope_chain);
if(SUCCEEDED(hres)) {
hres = stat_eval(ctx, block->statement, rt, &val);
scope_pop(&ctx->scope_chain);
}
}
jsdisp_release(var_disp);
}
VariantClear(&ex);
if(FAILED(hres))
return hres;
*ret = val;
return S_OK;
}
/* ECMA-262 3rd Edition 12.14 */
HRESULT try_statement_eval(exec_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
{
try_statement_t *stat = (try_statement_t*)_stat;
VARIANT val;
HRESULT hres;
TRACE("\n");
hres = stat_eval(ctx, stat->try_statement, rt, &val);
if(FAILED(hres)) {
TRACE("EXCEPTION\n");
if(!stat->catch_block)
return hres;
hres = catch_eval(ctx, stat->catch_block, rt, &val);
if(FAILED(hres))
return hres;
}
if(stat->finally_statement) {
VariantClear(&val);
hres = stat_eval(ctx, stat->finally_statement, rt, &val);
if(FAILED(hres))
return hres;
}
*ret = val;
return S_OK;
}
static HRESULT return_bool(exprval_t *ret, DWORD b)
{
ret->type = EXPRVAL_VARIANT;
V_VT(&ret->u.var) = VT_BOOL;
V_BOOL(&ret->u.var) = b ? VARIANT_TRUE : VARIANT_FALSE;
return S_OK;
}
static HRESULT get_binary_expr_values(exec_ctx_t *ctx, binary_expression_t *expr, jsexcept_t *ei, VARIANT *lval, VARIANT *rval)
{
exprval_t exprval;
HRESULT hres;
hres = expr_eval(ctx, expr->expression1, 0, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, ei, lval);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
hres = expr_eval(ctx, expr->expression2, 0, ei, &exprval);
if(SUCCEEDED(hres)) {
hres = exprval_to_value(ctx->parser->script, &exprval, ei, rval);
exprval_release(&exprval);
}
if(FAILED(hres)) {
VariantClear(lval);
return hres;
}
return S_OK;
}
typedef HRESULT (*oper_t)(exec_ctx_t*,VARIANT*,VARIANT*,jsexcept_t*,VARIANT*);
static HRESULT binary_expr_eval(exec_ctx_t *ctx, binary_expression_t *expr, oper_t oper, jsexcept_t *ei,
exprval_t *ret)
{
VARIANT lval, rval, retv;
HRESULT hres;
hres = get_binary_expr_values(ctx, expr, ei, &lval, &rval);
if(FAILED(hres))
return hres;
hres = oper(ctx, &lval, &rval, ei, &retv);
VariantClear(&lval);
VariantClear(&rval);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
ret->u.var = retv;
return S_OK;
}
/* ECMA-262 3rd Edition 11.13.2 */
static HRESULT assign_oper_eval(exec_ctx_t *ctx, expression_t *lexpr, expression_t *rexpr, oper_t oper,
jsexcept_t *ei, exprval_t *ret)
{
VARIANT retv, lval, rval;
exprval_t exprval, exprvalr;
HRESULT hres;
hres = expr_eval(ctx, lexpr, EXPR_NEWREF, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_value(ctx->parser->script, &exprval, ei, &lval);
if(SUCCEEDED(hres)) {
hres = expr_eval(ctx, rexpr, 0, ei, &exprvalr);
if(SUCCEEDED(hres)) {
hres = exprval_value(ctx->parser->script, &exprvalr, ei, &rval);
exprval_release(&exprvalr);
}
if(SUCCEEDED(hres)) {
hres = oper(ctx, &lval, &rval, ei, &retv);
VariantClear(&rval);
}
VariantClear(&lval);
}
if(SUCCEEDED(hres)) {
hres = put_value(ctx->parser->script, &exprval, &retv, ei);
if(FAILED(hres))
VariantClear(&retv);
}
exprval_release(&exprval);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
ret->u.var = retv;
return S_OK;
}
/* ECMA-262 3rd Edition 13 */
HRESULT function_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
function_expression_t *expr = (function_expression_t*)_expr;
VARIANT var;
HRESULT hres;
TRACE("\n");
if(expr->identifier) {
hres = jsdisp_propget_name(ctx->var_disp, expr->identifier, &var, ei, NULL/*FIXME*/);
if(FAILED(hres))
return hres;
}else {
DispatchEx *dispex;
hres = create_source_function(ctx->parser, expr->parameter_list, expr->source_elements, ctx->scope_chain,
expr->src_str, expr->src_len, &dispex);
if(FAILED(hres))
return hres;
V_VT(&var) = VT_DISPATCH;
V_DISPATCH(&var) = (IDispatch*)_IDispatchEx_(dispex);
}
ret->type = EXPRVAL_VARIANT;
ret->u.var = var;
return S_OK;
}
/* ECMA-262 3rd Edition 11.12 */
HRESULT conditional_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
conditional_expression_t *expr = (conditional_expression_t*)_expr;
exprval_t exprval;
VARIANT_BOOL b;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression, 0, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_boolean(ctx->parser->script, &exprval, ei, &b);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
return expr_eval(ctx, b ? expr->true_expression : expr->false_expression, flags, ei, ret);
}
/* ECMA-262 3rd Edition 11.2.1 */
HRESULT array_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
array_expression_t *expr = (array_expression_t*)_expr;
exprval_t exprval;
VARIANT member, val;
DISPID id;
BSTR str;
IDispatch *obj = NULL;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->member_expr, 0, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, ei, &member);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
hres = expr_eval(ctx, expr->expression, EXPR_NEWREF, ei, &exprval);
if(SUCCEEDED(hres)) {
hres = exprval_to_value(ctx->parser->script, &exprval, ei, &val);
exprval_release(&exprval);
}
if(SUCCEEDED(hres))
hres = to_object(ctx->parser->script, &member, &obj);
VariantClear(&member);
if(SUCCEEDED(hres)) {
hres = to_string(ctx->parser->script, &val, ei, &str);
if(SUCCEEDED(hres)) {
if(flags & EXPR_STRREF) {
ret->type = EXPRVAL_NAMEREF;
ret->u.nameref.disp = obj;
ret->u.nameref.name = str;
return S_OK;
}
hres = disp_get_id(ctx->parser->script, obj, str, flags & EXPR_NEWREF ? fdexNameEnsure : 0, &id);
}
if(SUCCEEDED(hres)) {
exprval_set_idref(ret, obj, id);
}else if(!(flags & EXPR_NEWREF) && hres == DISP_E_UNKNOWNNAME) {
exprval_init(ret);
hres = S_OK;
}
IDispatch_Release(obj);
}
return hres;
}
/* ECMA-262 3rd Edition 11.2.1 */
HRESULT member_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
member_expression_t *expr = (member_expression_t*)_expr;
IDispatch *obj = NULL;
exprval_t exprval;
VARIANT member;
DISPID id;
BSTR str;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression, 0, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, ei, &member);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
hres = to_object(ctx->parser->script, &member, &obj);
VariantClear(&member);
if(FAILED(hres))
return hres;
str = SysAllocString(expr->identifier);
if(flags & EXPR_STRREF) {
ret->type = EXPRVAL_NAMEREF;
ret->u.nameref.disp = obj;
ret->u.nameref.name = str;
return S_OK;
}
hres = disp_get_id(ctx->parser->script, obj, str, flags & EXPR_NEWREF ? fdexNameEnsure : 0, &id);
SysFreeString(str);
if(SUCCEEDED(hres)) {
exprval_set_idref(ret, obj, id);
}else if(!(flags & EXPR_NEWREF) && hres == DISP_E_UNKNOWNNAME) {
exprval_init(ret);
hres = S_OK;
}
IDispatch_Release(obj);
return hres;
}
static void free_dp(DISPPARAMS *dp)
{
DWORD i;
for(i=0; i < dp->cArgs; i++)
VariantClear(dp->rgvarg+i);
heap_free(dp->rgvarg);
}
static HRESULT args_to_param(exec_ctx_t *ctx, argument_t *args, jsexcept_t *ei, DISPPARAMS *dp)
{
VARIANTARG *vargs;
exprval_t exprval;
argument_t *iter;
DWORD cnt = 0, i;
HRESULT hres = S_OK;
memset(dp, 0, sizeof(*dp));
if(!args)
return S_OK;
for(iter = args; iter; iter = iter->next)
cnt++;
vargs = heap_alloc_zero(cnt * sizeof(*vargs));
if(!vargs)
return E_OUTOFMEMORY;
for(i = cnt, iter = args; iter; iter = iter->next) {
hres = expr_eval(ctx, iter->expr, 0, ei, &exprval);
if(FAILED(hres))
break;
hres = exprval_to_value(ctx->parser->script, &exprval, ei, vargs + (--i));
exprval_release(&exprval);
if(FAILED(hres))
break;
}
if(FAILED(hres)) {
free_dp(dp);
return hres;
}
dp->rgvarg = vargs;
dp->cArgs = cnt;
return S_OK;
}
/* ECMA-262 3rd Edition 11.2.2 */
HRESULT new_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
call_expression_t *expr = (call_expression_t*)_expr;
exprval_t exprval;
VARIANT constr, var;
DISPPARAMS dp;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression, 0, ei, &exprval);
if(FAILED(hres))
return hres;
hres = args_to_param(ctx, expr->argument_list, ei, &dp);
if(SUCCEEDED(hres))
hres = exprval_to_value(ctx->parser->script, &exprval, ei, &constr);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
if(V_VT(&constr) != VT_DISPATCH) {
FIXME("throw TypeError\n");
VariantClear(&constr);
return E_FAIL;
}
hres = disp_call(ctx->parser->script, V_DISPATCH(&constr), DISPID_VALUE,
DISPATCH_CONSTRUCT, &dp, &var, ei, NULL/*FIXME*/);
IDispatch_Release(V_DISPATCH(&constr));
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
ret->u.var = var;
return S_OK;
}
/* ECMA-262 3rd Edition 11.2.3 */
HRESULT call_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
call_expression_t *expr = (call_expression_t*)_expr;
VARIANT var;
exprval_t exprval;
DISPPARAMS dp;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression, 0, ei, &exprval);
if(FAILED(hres))
return hres;
hres = args_to_param(ctx, expr->argument_list, ei, &dp);
if(SUCCEEDED(hres)) {
switch(exprval.type) {
case EXPRVAL_VARIANT:
if(V_VT(&exprval.u.var) == VT_DISPATCH)
hres = disp_call(ctx->parser->script, V_DISPATCH(&exprval.u.var), DISPID_VALUE,
DISPATCH_METHOD, &dp, flags & EXPR_NOVAL ? NULL : &var, ei, NULL/*FIXME*/);
else
hres = throw_type_error(ctx->parser->script, ei, IDS_NO_PROPERTY, NULL);
break;
case EXPRVAL_IDREF:
hres = disp_call(ctx->parser->script, exprval.u.idref.disp, exprval.u.idref.id,
DISPATCH_METHOD, &dp, flags & EXPR_NOVAL ? NULL : &var, ei, NULL/*FIXME*/);
break;
case EXPRVAL_INVALID:
hres = throw_type_error(ctx->parser->script, ei, IDS_OBJECT_EXPECTED, NULL);
break;
default:
FIXME("unimplemented type %d\n", exprval.type);
hres = E_NOTIMPL;
}
free_dp(&dp);
}
exprval_release(&exprval);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
if(flags & EXPR_NOVAL) {
V_VT(&ret->u.var) = VT_EMPTY;
}else {
TRACE("= %s\n", debugstr_variant(&var));
ret->u.var = var;
}
return S_OK;
}
/* ECMA-262 3rd Edition 11.1.1 */
HRESULT this_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
TRACE("\n");
ret->type = EXPRVAL_VARIANT;
V_VT(&ret->u.var) = VT_DISPATCH;
V_DISPATCH(&ret->u.var) = ctx->this_obj;
IDispatch_AddRef(ctx->this_obj);
return S_OK;
}
/* ECMA-262 3rd Edition 10.1.4 */
HRESULT identifier_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
identifier_expression_t *expr = (identifier_expression_t*)_expr;
BSTR identifier;
HRESULT hres;
TRACE("\n");
identifier = SysAllocString(expr->identifier);
if(!identifier)
return E_OUTOFMEMORY;
hres = identifier_eval(ctx, identifier, flags, ei, ret);
SysFreeString(identifier);
return hres;
}
/* ECMA-262 3rd Edition 7.8 */
HRESULT literal_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
literal_expression_t *expr = (literal_expression_t*)_expr;
VARIANT var;
HRESULT hres;
TRACE("\n");
hres = literal_to_var(ctx->parser->script, expr->literal, &var);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
ret->u.var = var;
return S_OK;
}
/* ECMA-262 3rd Edition 11.1.4 */
HRESULT array_literal_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
array_literal_expression_t *expr = (array_literal_expression_t*)_expr;
DWORD length = 0, i = 0;
array_element_t *elem;
DispatchEx *array;
exprval_t exprval;
VARIANT val;
HRESULT hres;
TRACE("\n");
for(elem = expr->element_list; elem; elem = elem->next)
length += elem->elision+1;
length += expr->length;
hres = create_array(ctx->parser->script, length, &array);
if(FAILED(hres))
return hres;
for(elem = expr->element_list; elem; elem = elem->next) {
i += elem->elision;
hres = expr_eval(ctx, elem->expr, 0, ei, &exprval);
if(FAILED(hres))
break;
hres = exprval_to_value(ctx->parser->script, &exprval, ei, &val);
exprval_release(&exprval);
if(FAILED(hres))
break;
hres = jsdisp_propput_idx(array, i, &val, ei, NULL/*FIXME*/);
VariantClear(&val);
if(FAILED(hres))
break;
i++;
}
if(FAILED(hres)) {
jsdisp_release(array);
return hres;
}
ret->type = EXPRVAL_VARIANT;
V_VT(&ret->u.var) = VT_DISPATCH;
V_DISPATCH(&ret->u.var) = (IDispatch*)_IDispatchEx_(array);
return S_OK;
}
/* ECMA-262 3rd Edition 11.1.5 */
HRESULT property_value_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
property_value_expression_t *expr = (property_value_expression_t*)_expr;
VARIANT val, tmp;
DispatchEx *obj;
prop_val_t *iter;
exprval_t exprval;
BSTR name;
HRESULT hres;
TRACE("\n");
hres = create_object(ctx->parser->script, NULL, &obj);
if(FAILED(hres))
return hres;
for(iter = expr->property_list; iter; iter = iter->next) {
hres = literal_to_var(ctx->parser->script, iter->name, &tmp);
if(FAILED(hres))
break;
hres = to_string(ctx->parser->script, &tmp, ei, &name);
VariantClear(&tmp);
if(FAILED(hres))
break;
hres = expr_eval(ctx, iter->value, 0, ei, &exprval);
if(SUCCEEDED(hres)) {
hres = exprval_to_value(ctx->parser->script, &exprval, ei, &val);
exprval_release(&exprval);
if(SUCCEEDED(hres)) {
hres = jsdisp_propput_name(obj, name, &val, ei, NULL/*FIXME*/);
VariantClear(&val);
}
}
SysFreeString(name);
if(FAILED(hres))
break;
}
if(FAILED(hres)) {
jsdisp_release(obj);
return hres;
}
ret->type = EXPRVAL_VARIANT;
V_VT(&ret->u.var) = VT_DISPATCH;
V_DISPATCH(&ret->u.var) = (IDispatch*)_IDispatchEx_(obj);
return S_OK;
}
/* ECMA-262 3rd Edition 11.14 */
HRESULT comma_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
VARIANT lval, rval;
HRESULT hres;
TRACE("\n");
hres = get_binary_expr_values(ctx, expr, ei, &lval, &rval);
if(FAILED(hres))
return hres;
VariantClear(&lval);
ret->type = EXPRVAL_VARIANT;
ret->u.var = rval;
return S_OK;
}
/* ECMA-262 3rd Edition 11.11 */
HRESULT logical_or_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
exprval_t exprval;
VARIANT_BOOL b;
VARIANT val;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression1, 0, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, ei, &val);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
hres = to_boolean(&val, &b);
if(SUCCEEDED(hres) && b) {
ret->type = EXPRVAL_VARIANT;
ret->u.var = val;
return S_OK;
}
VariantClear(&val);
if(FAILED(hres))
return hres;
hres = expr_eval(ctx, expr->expression2, 0, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, ei, &val);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
ret->u.var = val;
return S_OK;
}
/* ECMA-262 3rd Edition 11.11 */
HRESULT logical_and_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
exprval_t exprval;
VARIANT_BOOL b;
VARIANT val;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression1, 0, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, ei, &val);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
hres = to_boolean(&val, &b);
if(SUCCEEDED(hres) && !b) {
ret->type = EXPRVAL_VARIANT;
ret->u.var = val;
return S_OK;
}
VariantClear(&val);
if(FAILED(hres))
return hres;
hres = expr_eval(ctx, expr->expression2, 0, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, ei, &val);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
ret->u.var = val;
return S_OK;
}
/* ECMA-262 3rd Edition 11.10 */
static HRESULT bitor_eval(exec_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
{
INT li, ri;
HRESULT hres;
hres = to_int32(ctx->parser->script, lval, ei, &li);
if(FAILED(hres))
return hres;
hres = to_int32(ctx->parser->script, rval, ei, &ri);
if(FAILED(hres))
return hres;
V_VT(retv) = VT_I4;
V_I4(retv) = li|ri;
return S_OK;
}
/* ECMA-262 3rd Edition 11.10 */
HRESULT binary_or_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return binary_expr_eval(ctx, expr, bitor_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.10 */
static HRESULT xor_eval(exec_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
{
INT li, ri;
HRESULT hres;
hres = to_int32(ctx->parser->script, lval, ei, &li);
if(FAILED(hres))
return hres;
hres = to_int32(ctx->parser->script, rval, ei, &ri);
if(FAILED(hres))
return hres;
V_VT(retv) = VT_I4;
V_I4(retv) = li^ri;
return S_OK;
}
/* ECMA-262 3rd Edition 11.10 */
HRESULT binary_xor_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return binary_expr_eval(ctx, expr, xor_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.10 */
static HRESULT bitand_eval(exec_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
{
INT li, ri;
HRESULT hres;
hres = to_int32(ctx->parser->script, lval, ei, &li);
if(FAILED(hres))
return hres;
hres = to_int32(ctx->parser->script, rval, ei, &ri);
if(FAILED(hres))
return hres;
V_VT(retv) = VT_I4;
V_I4(retv) = li&ri;
return S_OK;
}
/* ECMA-262 3rd Edition 11.10 */
HRESULT binary_and_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return binary_expr_eval(ctx, expr, bitand_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.8.6 */
static HRESULT instanceof_eval(exec_ctx_t *ctx, VARIANT *inst, VARIANT *objv, jsexcept_t *ei, VARIANT *retv)
{
DispatchEx *obj, *iter, *tmp = NULL;
VARIANT_BOOL ret = VARIANT_FALSE;
BOOL b;
VARIANT var;
HRESULT hres;
static const WCHAR prototypeW[] = {'p','r','o','t','o','t', 'y', 'p','e',0};
if(V_VT(objv) != VT_DISPATCH) {
FIXME("throw TypeError\n");
return E_FAIL;
}
obj = iface_to_jsdisp((IUnknown*)V_DISPATCH(objv));
if(!obj) {
FIXME("throw TypeError\n");
return E_FAIL;
}
if(is_class(obj, JSCLASS_FUNCTION)) {
hres = jsdisp_propget_name(obj, prototypeW, &var, ei, NULL/*FIXME*/);
}else {
FIXME("throw TypeError\n");
hres = E_FAIL;
}
jsdisp_release(obj);
if(FAILED(hres))
return hres;
if(V_VT(&var) == VT_DISPATCH) {
if(V_VT(inst) == VT_DISPATCH)
tmp = iface_to_jsdisp((IUnknown*)V_DISPATCH(inst));
for(iter = tmp; iter; iter = iter->prototype) {
hres = disp_cmp(V_DISPATCH(&var), (IDispatch*)_IDispatchEx_(iter), &b);
if(FAILED(hres))
break;
if(b) {
ret = VARIANT_TRUE;
break;
}
}
if(tmp)
jsdisp_release(tmp);
}else {
FIXME("prototype is not an object\n");
hres = E_FAIL;
}
VariantClear(&var);
if(FAILED(hres))
return hres;
V_VT(retv) = VT_BOOL;
V_BOOL(retv) = ret;
return S_OK;
}
/* ECMA-262 3rd Edition 11.8.6 */
HRESULT instanceof_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return binary_expr_eval(ctx, expr, instanceof_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.8.7 */
static HRESULT in_eval(exec_ctx_t *ctx, VARIANT *lval, VARIANT *obj, jsexcept_t *ei, VARIANT *retv)
{
VARIANT_BOOL ret;
DISPID id;
BSTR str;
HRESULT hres;
if(V_VT(obj) != VT_DISPATCH) {
FIXME("throw TypeError\n");
return E_FAIL;
}
hres = to_string(ctx->parser->script, lval, ei, &str);
if(FAILED(hres))
return hres;
hres = disp_get_id(ctx->parser->script, V_DISPATCH(obj), str, 0, &id);
SysFreeString(str);
if(SUCCEEDED(hres))
ret = VARIANT_TRUE;
else if(hres == DISP_E_UNKNOWNNAME)
ret = VARIANT_FALSE;
else
return hres;
V_VT(retv) = VT_BOOL;
V_BOOL(retv) = ret;
return S_OK;
}
/* ECMA-262 3rd Edition 11.8.7 */
HRESULT in_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return binary_expr_eval(ctx, expr, in_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.6.1 */
static HRESULT add_eval(exec_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
{
VARIANT r, l;
HRESULT hres;
hres = to_primitive(ctx->parser->script, lval, ei, &l, NO_HINT);
if(FAILED(hres))
return hres;
hres = to_primitive(ctx->parser->script, rval, ei, &r, NO_HINT);
if(FAILED(hres)) {
VariantClear(&l);
return hres;
}
if(V_VT(&l) == VT_BSTR || V_VT(&r) == VT_BSTR) {
BSTR lstr = NULL, rstr = NULL;
if(V_VT(&l) == VT_BSTR)
lstr = V_BSTR(&l);
else
hres = to_string(ctx->parser->script, &l, ei, &lstr);
if(SUCCEEDED(hres)) {
if(V_VT(&r) == VT_BSTR)
rstr = V_BSTR(&r);
else
hres = to_string(ctx->parser->script, &r, ei, &rstr);
}
if(SUCCEEDED(hres)) {
int len1, len2;
len1 = SysStringLen(lstr);
len2 = SysStringLen(rstr);
V_VT(retv) = VT_BSTR;
V_BSTR(retv) = SysAllocStringLen(NULL, len1+len2);
memcpy(V_BSTR(retv), lstr, len1*sizeof(WCHAR));
memcpy(V_BSTR(retv)+len1, rstr, (len2+1)*sizeof(WCHAR));
}
if(V_VT(&l) != VT_BSTR)
SysFreeString(lstr);
if(V_VT(&r) != VT_BSTR)
SysFreeString(rstr);
}else {
VARIANT nl, nr;
hres = to_number(ctx->parser->script, &l, ei, &nl);
if(SUCCEEDED(hres)) {
hres = to_number(ctx->parser->script, &r, ei, &nr);
if(SUCCEEDED(hres))
num_set_val(retv, num_val(&nl) + num_val(&nr));
}
}
VariantClear(&r);
VariantClear(&l);
return hres;
}
/* ECMA-262 3rd Edition 11.6.1 */
HRESULT add_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return binary_expr_eval(ctx, expr, add_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.6.2 */
static HRESULT sub_eval(exec_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
{
VARIANT lnum, rnum;
HRESULT hres;
hres = to_number(ctx->parser->script, lval, ei, &lnum);
if(FAILED(hres))
return hres;
hres = to_number(ctx->parser->script, rval, ei, &rnum);
if(FAILED(hres))
return hres;
num_set_val(retv, num_val(&lnum) - num_val(&rnum));
return S_OK;
}
/* ECMA-262 3rd Edition 11.6.2 */
HRESULT sub_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return binary_expr_eval(ctx, expr, sub_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.5.1 */
static HRESULT mul_eval(exec_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
{
VARIANT lnum, rnum;
HRESULT hres;
hres = to_number(ctx->parser->script, lval, ei, &lnum);
if(FAILED(hres))
return hres;
hres = to_number(ctx->parser->script, rval, ei, &rnum);
if(FAILED(hres))
return hres;
num_set_val(retv, num_val(&lnum) * num_val(&rnum));
return S_OK;
}
/* ECMA-262 3rd Edition 11.5.1 */
HRESULT mul_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return binary_expr_eval(ctx, expr, mul_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.5.2 */
static HRESULT div_eval(exec_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
{
VARIANT lnum, rnum;
HRESULT hres;
hres = to_number(ctx->parser->script, lval, ei, &lnum);
if(FAILED(hres))
return hres;
hres = to_number(ctx->parser->script, rval, ei, &rnum);
if(FAILED(hres))
return hres;
num_set_val(retv, num_val(&lnum) / num_val(&rnum));
return S_OK;
}
/* ECMA-262 3rd Edition 11.5.2 */
HRESULT div_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return binary_expr_eval(ctx, expr, div_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.5.3 */
static HRESULT mod_eval(exec_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
{
VARIANT lnum, rnum;
HRESULT hres;
hres = to_number(ctx->parser->script, lval, ei, &lnum);
if(FAILED(hres))
return hres;
hres = to_number(ctx->parser->script, rval, ei, &rnum);
if(FAILED(hres))
return hres;
num_set_val(retv, fmod(num_val(&lnum), num_val(&rnum)));
return S_OK;
}
/* ECMA-262 3rd Edition 11.5.3 */
HRESULT mod_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return binary_expr_eval(ctx, expr, mod_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.4.2 */
HRESULT delete_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
unary_expression_t *expr = (unary_expression_t*)_expr;
VARIANT_BOOL b = VARIANT_FALSE;
exprval_t exprval;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression, EXPR_STRREF, ei, &exprval);
if(FAILED(hres))
return hres;
switch(exprval.type) {
case EXPRVAL_IDREF: {
IDispatchEx *dispex;
hres = IDispatch_QueryInterface(exprval.u.nameref.disp, &IID_IDispatchEx, (void**)&dispex);
if(SUCCEEDED(hres)) {
hres = IDispatchEx_DeleteMemberByDispID(dispex, exprval.u.idref.id);
b = VARIANT_TRUE;
IDispatchEx_Release(dispex);
}
break;
}
case EXPRVAL_NAMEREF: {
IDispatchEx *dispex;
hres = IDispatch_QueryInterface(exprval.u.nameref.disp, &IID_IDispatchEx, (void**)&dispex);
if(SUCCEEDED(hres)) {
hres = IDispatchEx_DeleteMemberByName(dispex, exprval.u.nameref.name,
make_grfdex(ctx->parser->script, fdexNameCaseSensitive));
b = VARIANT_TRUE;
IDispatchEx_Release(dispex);
}
break;
}
default:
FIXME("unsupported type %d\n", exprval.type);
hres = E_NOTIMPL;
}
exprval_release(&exprval);
if(FAILED(hres))
return hres;
return return_bool(ret, b);
}
/* ECMA-262 3rd Edition 11.4.2 */
HRESULT void_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
unary_expression_t *expr = (unary_expression_t*)_expr;
exprval_t exprval;
VARIANT tmp;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression, 0, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, ei, &tmp);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
VariantClear(&tmp);
ret->type = EXPRVAL_VARIANT;
V_VT(&ret->u.var) = VT_EMPTY;
return S_OK;
}
/* ECMA-262 3rd Edition 11.4.3 */
static HRESULT typeof_exprval(exec_ctx_t *ctx, exprval_t *exprval, jsexcept_t *ei, const WCHAR **ret)
{
VARIANT val;
HRESULT hres;
static const WCHAR booleanW[] = {'b','o','o','l','e','a','n',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 undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
if(exprval->type == EXPRVAL_INVALID) {
*ret = undefinedW;
return S_OK;
}
hres = exprval_to_value(ctx->parser->script, exprval, ei, &val);
if(FAILED(hres))
return hres;
switch(V_VT(&val)) {
case VT_EMPTY:
*ret = undefinedW;
break;
case VT_NULL:
*ret = objectW;
break;
case VT_BOOL:
*ret = booleanW;
break;
case VT_I4:
case VT_R8:
*ret = numberW;
break;
case VT_BSTR:
*ret = stringW;
break;
case VT_DISPATCH: {
DispatchEx *dispex;
if(V_DISPATCH(&val) && (dispex = iface_to_jsdisp((IUnknown*)V_DISPATCH(&val)))) {
*ret = is_class(dispex, JSCLASS_FUNCTION) ? functionW : objectW;
jsdisp_release(dispex);
}else {
*ret = objectW;
}
break;
}
default:
FIXME("unhandled vt %d\n", V_VT(&val));
hres = E_NOTIMPL;
}
VariantClear(&val);
return S_OK;
}
HRESULT typeof_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
unary_expression_t *expr = (unary_expression_t*)_expr;
const WCHAR *str = NULL;
exprval_t exprval;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression, 0, ei, &exprval);
if(FAILED(hres))
return hres;
hres = typeof_exprval(ctx, &exprval, ei, &str);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
V_VT(&ret->u.var) = VT_BSTR;
V_BSTR(&ret->u.var) = SysAllocString(str);
if(!V_BSTR(&ret->u.var))
return E_OUTOFMEMORY;
return S_OK;
}
/* ECMA-262 3rd Edition 11.4.7 */
HRESULT minus_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
unary_expression_t *expr = (unary_expression_t*)_expr;
exprval_t exprval;
VARIANT val, num;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression, 0, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, ei, &val);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
hres = to_number(ctx->parser->script, &val, ei, &num);
VariantClear(&val);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
num_set_val(&ret->u.var, -num_val(&num));
return S_OK;
}
/* ECMA-262 3rd Edition 11.4.6 */
HRESULT plus_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
unary_expression_t *expr = (unary_expression_t*)_expr;
exprval_t exprval;
VARIANT val, num;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression, EXPR_NEWREF, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, ei, &val);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
hres = to_number(ctx->parser->script, &val, ei, &num);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
ret->u.var = num;
return S_OK;
}
/* ECMA-262 3rd Edition 11.3.1 */
HRESULT post_increment_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
unary_expression_t *expr = (unary_expression_t*)_expr;
VARIANT val, num;
exprval_t exprval;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression, EXPR_NEWREF, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_value(ctx->parser->script, &exprval, ei, &val);
if(SUCCEEDED(hres)) {
hres = to_number(ctx->parser->script, &val, ei, &num);
VariantClear(&val);
}
if(SUCCEEDED(hres)) {
VARIANT inc;
num_set_val(&inc, num_val(&num)+1.0);
hres = put_value(ctx->parser->script, &exprval, &inc, ei);
}
exprval_release(&exprval);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
ret->u.var = num;
return S_OK;
}
/* ECMA-262 3rd Edition 11.3.2 */
HRESULT post_decrement_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
unary_expression_t *expr = (unary_expression_t*)_expr;
VARIANT val, num;
exprval_t exprval;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression, EXPR_NEWREF, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_value(ctx->parser->script, &exprval, ei, &val);
if(SUCCEEDED(hres)) {
hres = to_number(ctx->parser->script, &val, ei, &num);
VariantClear(&val);
}
if(SUCCEEDED(hres)) {
VARIANT dec;
num_set_val(&dec, num_val(&num)-1.0);
hres = put_value(ctx->parser->script, &exprval, &dec, ei);
}
exprval_release(&exprval);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
ret->u.var = num;
return S_OK;
}
/* ECMA-262 3rd Edition 11.4.4 */
HRESULT pre_increment_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
unary_expression_t *expr = (unary_expression_t*)_expr;
VARIANT val, num;
exprval_t exprval;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression, EXPR_NEWREF, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_value(ctx->parser->script, &exprval, ei, &val);
if(SUCCEEDED(hres)) {
hres = to_number(ctx->parser->script, &val, ei, &num);
VariantClear(&val);
}
if(SUCCEEDED(hres)) {
num_set_val(&val, num_val(&num)+1.0);
hres = put_value(ctx->parser->script, &exprval, &val, ei);
}
exprval_release(&exprval);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
ret->u.var = val;
return S_OK;
}
/* ECMA-262 3rd Edition 11.4.5 */
HRESULT pre_decrement_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
unary_expression_t *expr = (unary_expression_t*)_expr;
VARIANT val, num;
exprval_t exprval;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression, EXPR_NEWREF, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_value(ctx->parser->script, &exprval, ei, &val);
if(SUCCEEDED(hres)) {
hres = to_number(ctx->parser->script, &val, ei, &num);
VariantClear(&val);
}
if(SUCCEEDED(hres)) {
num_set_val(&val, num_val(&num)-1.0);
hres = put_value(ctx->parser->script, &exprval, &val, ei);
}
exprval_release(&exprval);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
ret->u.var = val;
return S_OK;
}
/* ECMA-262 3rd Edition 11.9.3 */
static HRESULT equal_values(exec_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, BOOL *ret)
{
if(V_VT(lval) == V_VT(rval) || (is_num_vt(V_VT(lval)) && is_num_vt(V_VT(rval))))
return equal2_values(lval, rval, ret);
/* FIXME: NULL disps should be handled in more general way */
if(V_VT(lval) == VT_DISPATCH && !V_DISPATCH(lval)) {
VARIANT v;
V_VT(&v) = VT_NULL;
return equal_values(ctx, &v, rval, ei, ret);
}
if(V_VT(rval) == VT_DISPATCH && !V_DISPATCH(rval)) {
VARIANT v;
V_VT(&v) = VT_NULL;
return equal_values(ctx, lval, &v, ei, ret);
}
if((V_VT(lval) == VT_NULL && V_VT(rval) == VT_EMPTY) ||
(V_VT(lval) == VT_EMPTY && V_VT(rval) == VT_NULL)) {
*ret = TRUE;
return S_OK;
}
if(V_VT(lval) == VT_BSTR && is_num_vt(V_VT(rval))) {
VARIANT v;
HRESULT hres;
hres = to_number(ctx->parser->script, lval, ei, &v);
if(FAILED(hres))
return hres;
return equal_values(ctx, &v, rval, ei, ret);
}
if(V_VT(rval) == VT_BSTR && is_num_vt(V_VT(lval))) {
VARIANT v;
HRESULT hres;
hres = to_number(ctx->parser->script, rval, ei, &v);
if(FAILED(hres))
return hres;
return equal_values(ctx, lval, &v, ei, ret);
}
if(V_VT(rval) == VT_BOOL) {
VARIANT v;
V_VT(&v) = VT_I4;
V_I4(&v) = V_BOOL(rval) ? 1 : 0;
return equal_values(ctx, lval, &v, ei, ret);
}
if(V_VT(lval) == VT_BOOL) {
VARIANT v;
V_VT(&v) = VT_I4;
V_I4(&v) = V_BOOL(lval) ? 1 : 0;
return equal_values(ctx, &v, rval, ei, ret);
}
if(V_VT(rval) == VT_DISPATCH && (V_VT(lval) == VT_BSTR || is_num_vt(V_VT(lval)))) {
VARIANT v;
HRESULT hres;
hres = to_primitive(ctx->parser->script, rval, ei, &v, NO_HINT);
if(FAILED(hres))
return hres;
hres = equal_values(ctx, lval, &v, ei, ret);
VariantClear(&v);
return hres;
}
if(V_VT(lval) == VT_DISPATCH && (V_VT(rval) == VT_BSTR || is_num_vt(V_VT(rval)))) {
VARIANT v;
HRESULT hres;
hres = to_primitive(ctx->parser->script, lval, ei, &v, NO_HINT);
if(FAILED(hres))
return hres;
hres = equal_values(ctx, &v, rval, ei, ret);
VariantClear(&v);
return hres;
}
*ret = FALSE;
return S_OK;
}
/* ECMA-262 3rd Edition 11.9.1 */
HRESULT equal_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
VARIANT rval, lval;
BOOL b;
HRESULT hres;
TRACE("\n");
hres = get_binary_expr_values(ctx, expr, ei, &rval, &lval);
if(FAILED(hres))
return hres;
hres = equal_values(ctx, &rval, &lval, ei, &b);
if(FAILED(hres))
return hres;
return return_bool(ret, b);
}
/* ECMA-262 3rd Edition 11.9.4 */
HRESULT equal2_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
VARIANT rval, lval;
BOOL b;
HRESULT hres;
TRACE("\n");
hres = get_binary_expr_values(ctx, expr, ei, &rval, &lval);
if(FAILED(hres))
return hres;
hres = equal2_values(&rval, &lval, &b);
if(FAILED(hres))
return hres;
return return_bool(ret, b);
}
/* ECMA-262 3rd Edition 11.9.2 */
HRESULT not_equal_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
VARIANT rval, lval;
BOOL b;
HRESULT hres;
TRACE("\n");
hres = get_binary_expr_values(ctx, expr, ei, &lval, &rval);
if(FAILED(hres))
return hres;
hres = equal_values(ctx, &lval, &rval, ei, &b);
if(FAILED(hres))
return hres;
return return_bool(ret, !b);
}
/* ECMA-262 3rd Edition 11.9.5 */
HRESULT not_equal2_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
VARIANT rval, lval;
BOOL b;
HRESULT hres;
TRACE("\n");
hres = get_binary_expr_values(ctx, expr, ei, &lval, &rval);
if(FAILED(hres))
return hres;
hres = equal2_values(&lval, &rval, &b);
if(FAILED(hres))
return hres;
return return_bool(ret, !b);
}
/* ECMA-262 3rd Edition 11.8.5 */
static HRESULT less_eval(exec_ctx_t *ctx, VARIANT *lval, VARIANT *rval, BOOL greater, jsexcept_t *ei, BOOL *ret)
{
VARIANT l, r, ln, rn;
HRESULT hres;
hres = to_primitive(ctx->parser->script, lval, ei, &l, NO_HINT);
if(FAILED(hres))
return hres;
hres = to_primitive(ctx->parser->script, rval, ei, &r, NO_HINT);
if(FAILED(hres)) {
VariantClear(&l);
return hres;
}
if(V_VT(&l) == VT_BSTR && V_VT(&r) == VT_BSTR) {
*ret = (strcmpW(V_BSTR(&l), V_BSTR(&r)) < 0) ^ greater;
SysFreeString(V_BSTR(&l));
SysFreeString(V_BSTR(&r));
return S_OK;
}
hres = to_number(ctx->parser->script, &l, ei, &ln);
VariantClear(&l);
if(SUCCEEDED(hres))
hres = to_number(ctx->parser->script, &r, ei, &rn);
VariantClear(&r);
if(FAILED(hres))
return hres;
if(V_VT(&ln) == VT_I4 && V_VT(&rn) == VT_I4) {
*ret = (V_I4(&ln) < V_I4(&rn)) ^ greater;
}else {
DOUBLE ld = num_val(&ln);
DOUBLE rd = num_val(&rn);
*ret = !isnan(ld) && !isnan(rd) && ((ld < rd) ^ greater);
}
return S_OK;
}
/* ECMA-262 3rd Edition 11.8.1 */
HRESULT less_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
VARIANT rval, lval;
BOOL b;
HRESULT hres;
TRACE("\n");
hres = get_binary_expr_values(ctx, expr, ei, &lval, &rval);
if(FAILED(hres))
return hres;
hres = less_eval(ctx, &lval, &rval, FALSE, ei, &b);
VariantClear(&lval);
VariantClear(&rval);
if(FAILED(hres))
return hres;
return return_bool(ret, b);
}
/* ECMA-262 3rd Edition 11.8.3 */
HRESULT lesseq_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
VARIANT rval, lval;
BOOL b;
HRESULT hres;
TRACE("\n");
hres = get_binary_expr_values(ctx, expr, ei, &lval, &rval);
if(FAILED(hres))
return hres;
hres = less_eval(ctx, &rval, &lval, TRUE, ei, &b);
VariantClear(&lval);
VariantClear(&rval);
if(FAILED(hres))
return hres;
return return_bool(ret, b);
}
/* ECMA-262 3rd Edition 11.8.2 */
HRESULT greater_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
VARIANT rval, lval;
BOOL b;
HRESULT hres;
TRACE("\n");
hres = get_binary_expr_values(ctx, expr, ei, &lval, &rval);
if(FAILED(hres))
return hres;
hres = less_eval(ctx, &rval, &lval, FALSE, ei, &b);
VariantClear(&lval);
VariantClear(&rval);
if(FAILED(hres))
return hres;
return return_bool(ret, b);
}
/* ECMA-262 3rd Edition 11.8.4 */
HRESULT greatereq_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
VARIANT rval, lval;
BOOL b;
HRESULT hres;
TRACE("\n");
hres = get_binary_expr_values(ctx, expr, ei, &lval, &rval);
if(FAILED(hres))
return hres;
hres = less_eval(ctx, &lval, &rval, TRUE, ei, &b);
VariantClear(&lval);
VariantClear(&rval);
if(FAILED(hres))
return hres;
return return_bool(ret, b);
}
/* ECMA-262 3rd Edition 11.4.8 */
HRESULT binary_negation_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
unary_expression_t *expr = (unary_expression_t*)_expr;
exprval_t exprval;
VARIANT val;
INT i;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression, EXPR_NEWREF, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_value(ctx->parser->script, &exprval, ei, &val);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
hres = to_int32(ctx->parser->script, &val, ei, &i);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
V_VT(&ret->u.var) = VT_I4;
V_I4(&ret->u.var) = ~i;
return S_OK;
}
/* ECMA-262 3rd Edition 11.4.9 */
HRESULT logical_negation_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
unary_expression_t *expr = (unary_expression_t*)_expr;
exprval_t exprval;
VARIANT_BOOL b;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression, EXPR_NEWREF, ei, &exprval);
if(FAILED(hres))
return hres;
hres = exprval_to_boolean(ctx->parser->script, &exprval, ei, &b);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
return return_bool(ret, !b);
}
/* ECMA-262 3rd Edition 11.7.1 */
static HRESULT lshift_eval(exec_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
{
DWORD ri;
INT li;
HRESULT hres;
hres = to_int32(ctx->parser->script, lval, ei, &li);
if(FAILED(hres))
return hres;
hres = to_uint32(ctx->parser->script, rval, ei, &ri);
if(FAILED(hres))
return hres;
V_VT(retv) = VT_I4;
V_I4(retv) = li << (ri&0x1f);
return S_OK;
}
/* ECMA-262 3rd Edition 11.7.1 */
HRESULT left_shift_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return binary_expr_eval(ctx, expr, lshift_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.7.2 */
static HRESULT rshift_eval(exec_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
{
DWORD ri;
INT li;
HRESULT hres;
hres = to_int32(ctx->parser->script, lval, ei, &li);
if(FAILED(hres))
return hres;
hres = to_uint32(ctx->parser->script, rval, ei, &ri);
if(FAILED(hres))
return hres;
V_VT(retv) = VT_I4;
V_I4(retv) = li >> (ri&0x1f);
return S_OK;
}
/* ECMA-262 3rd Edition 11.7.2 */
HRESULT right_shift_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return binary_expr_eval(ctx, expr, rshift_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.7.3 */
static HRESULT rshift2_eval(exec_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
{
DWORD li, ri;
HRESULT hres;
hres = to_uint32(ctx->parser->script, lval, ei, &li);
if(FAILED(hres))
return hres;
hres = to_uint32(ctx->parser->script, rval, ei, &ri);
if(FAILED(hres))
return hres;
V_VT(retv) = VT_I4;
V_I4(retv) = li >> (ri&0x1f);
return S_OK;
}
/* ECMA-262 3rd Edition 11.7.3 */
HRESULT right2_shift_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return binary_expr_eval(ctx, expr, rshift2_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.13.1 */
HRESULT assign_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
exprval_t exprval, exprvalr;
VARIANT rval;
HRESULT hres;
TRACE("\n");
hres = expr_eval(ctx, expr->expression1, EXPR_NEWREF, ei, &exprval);
if(FAILED(hres))
return hres;
hres = expr_eval(ctx, expr->expression2, 0, ei, &exprvalr);
if(SUCCEEDED(hres)) {
hres = exprval_to_value(ctx->parser->script, &exprvalr, ei, &rval);
exprval_release(&exprvalr);
}
if(SUCCEEDED(hres))
hres = put_value(ctx->parser->script, &exprval, &rval, ei);
exprval_release(&exprval);
if(FAILED(hres))
return hres;
ret->type = EXPRVAL_VARIANT;
ret->u.var = rval;
return S_OK;
}
/* ECMA-262 3rd Edition 11.13.2 */
HRESULT assign_lshift_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return assign_oper_eval(ctx, expr->expression1, expr->expression2, lshift_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.13.2 */
HRESULT assign_rshift_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return assign_oper_eval(ctx, expr->expression1, expr->expression2, rshift_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.13.2 */
HRESULT assign_rrshift_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return assign_oper_eval(ctx, expr->expression1, expr->expression2, rshift2_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.13.2 */
HRESULT assign_add_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return assign_oper_eval(ctx, expr->expression1, expr->expression2, add_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.13.2 */
HRESULT assign_sub_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return assign_oper_eval(ctx, expr->expression1, expr->expression2, sub_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.13.2 */
HRESULT assign_mul_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return assign_oper_eval(ctx, expr->expression1, expr->expression2, mul_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.13.2 */
HRESULT assign_div_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return assign_oper_eval(ctx, expr->expression1, expr->expression2, div_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.13.2 */
HRESULT assign_mod_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return assign_oper_eval(ctx, expr->expression1, expr->expression2, mod_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.13.2 */
HRESULT assign_and_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return assign_oper_eval(ctx, expr->expression1, expr->expression2, bitand_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.13.2 */
HRESULT assign_or_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return assign_oper_eval(ctx, expr->expression1, expr->expression2, bitor_eval, ei, ret);
}
/* ECMA-262 3rd Edition 11.13.2 */
HRESULT assign_xor_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
binary_expression_t *expr = (binary_expression_t*)_expr;
TRACE("\n");
return assign_oper_eval(ctx, expr->expression1, expr->expression2, xor_eval, ei, ret);
}
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