Sweden-Number/dlls/jscript/set.c

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/*
* Copyright 2021 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 <assert.h>
#include <math.h>
#include "jscript.h"
#include "wine/rbtree.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(jscript);
typedef struct {
jsdisp_t dispex;
} SetInstance;
typedef struct {
jsdisp_t dispex;
struct wine_rb_tree map;
struct list entries;
size_t size;
} MapInstance;
static HRESULT Set_add(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
FIXME("%p\n", jsthis);
return E_NOTIMPL;
}
static HRESULT Set_clear(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
FIXME("%p\n", jsthis);
return E_NOTIMPL;
}
static HRESULT Set_delete(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
FIXME("%p\n", jsthis);
return E_NOTIMPL;
}
static HRESULT Set_forEach(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
FIXME("%p\n", jsthis);
return E_NOTIMPL;
}
static HRESULT Set_has(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
FIXME("%p\n", jsthis);
return E_NOTIMPL;
}
static HRESULT Set_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
FIXME("\n");
return E_NOTIMPL;
}
static const builtin_prop_t Set_props[] = {
{L"add", Set_add, PROPF_METHOD|1},
{L"clear", Set_clear, PROPF_METHOD},
{L"delete" , Set_delete, PROPF_METHOD|1},
{L"forEach", Set_forEach, PROPF_METHOD|1},
{L"has", Set_has, PROPF_METHOD|1},
};
static const builtin_info_t Set_prototype_info = {
JSCLASS_SET,
Set_value,
ARRAY_SIZE(Set_props),
Set_props,
NULL,
NULL
};
static const builtin_info_t Set_info = {
JSCLASS_SET,
Set_value,
0, NULL,
NULL,
NULL
};
static HRESULT Set_constructor(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
SetInstance *set;
HRESULT hres;
switch(flags) {
case DISPATCH_CONSTRUCT:
TRACE("\n");
if(!(set = heap_alloc_zero(sizeof(*set))))
return E_OUTOFMEMORY;
hres = init_dispex(&set->dispex, ctx, &Set_info, ctx->set_prototype);
if(FAILED(hres))
return hres;
*r = jsval_obj(&set->dispex);
return S_OK;
default:
FIXME("unimplemented flags %x\n", flags);
return E_NOTIMPL;
}
}
struct jsval_map_entry {
struct wine_rb_entry entry;
jsval_t key;
jsval_t value;
/*
* We need to maintain a list as well to support traversal in forEach.
* If the entry is removed while being processed by forEach, it's
* still kept in the list and released later, when it's safe.
*/
struct list list_entry;
unsigned int ref;
BOOL deleted;
};
static int jsval_map_compare(const void *k, const struct wine_rb_entry *e)
{
const struct jsval_map_entry *entry = WINE_RB_ENTRY_VALUE(e, const struct jsval_map_entry, entry);
const jsval_t *key = k;
if(jsval_type(entry->key) != jsval_type(*key))
return (int)jsval_type(entry->key) - (int)jsval_type(*key);
switch(jsval_type(*key)) {
case JSV_UNDEFINED:
case JSV_NULL:
return 0;
case JSV_OBJECT:
if(get_object(*key) == get_object(entry->key)) return 0;
return get_object(*key) < get_object(entry->key) ? -1 : 1;
case JSV_STRING:
return jsstr_cmp(get_string(*key), get_string(entry->key));
case JSV_NUMBER:
if(get_number(*key) == get_number(entry->key)) return 0;
if(isnan(get_number(*key))) return isnan(get_number(entry->key)) ? 0 : -1;
if(isnan(get_number(entry->key))) return 1;
return get_number(*key) < get_number(entry->key) ? -1 : 1;
case JSV_BOOL:
if(get_bool(*key) == get_bool(entry->key)) return 0;
return get_bool(*key) ? 1 : -1;
default:
assert(0);
return 0;
}
}
static MapInstance *get_map_this(vdisp_t *jsthis)
{
if(!(jsthis->flags & VDISP_JSDISP) || !is_class(jsthis->u.jsdisp, JSCLASS_MAP)) {
WARN("not a Map object passed as 'this'\n");
return NULL;
}
return CONTAINING_RECORD(jsthis->u.jsdisp, MapInstance, dispex);
}
static struct jsval_map_entry *get_map_entry(MapInstance *map, jsval_t key)
{
struct wine_rb_entry *entry;
if(!(entry = wine_rb_get(&map->map, &key))) return NULL;
return CONTAINING_RECORD(entry, struct jsval_map_entry, entry);
}
static void grab_map_entry(struct jsval_map_entry *entry)
{
entry->ref++;
}
static void release_map_entry(struct jsval_map_entry *entry)
{
if(--entry->ref) return;
jsval_release(entry->key);
jsval_release(entry->value);
list_remove(&entry->list_entry);
heap_free(entry);
}
static void delete_map_entry(MapInstance *map, struct jsval_map_entry *entry)
{
map->size--;
wine_rb_remove(&map->map, &entry->entry);
entry->deleted = TRUE;
release_map_entry(entry);
}
static HRESULT Map_clear(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
MapInstance *map;
if(!(map = get_map_this(jsthis))) return JS_E_MAP_EXPECTED;
TRACE("%p\n", map);
while(!list_empty(&map->entries)) {
struct jsval_map_entry *entry = LIST_ENTRY(list_head(&map->entries), struct jsval_map_entry, list_entry);
delete_map_entry(map, entry);
}
if(r) *r = jsval_undefined();
return S_OK;
}
static HRESULT Map_delete(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
jsval_t key = argc >= 1 ? argv[0] : jsval_undefined();
struct jsval_map_entry *entry;
MapInstance *map;
if(!(map = get_map_this(jsthis))) return JS_E_MAP_EXPECTED;
TRACE("%p (%s)\n", map, debugstr_jsval(key));
if((entry = get_map_entry(map, key))) delete_map_entry(map, entry);
if(r) *r = jsval_bool(!!entry);
return S_OK;
}
static HRESULT Map_forEach(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
jsval_t callback = argc ? argv[0] : jsval_undefined();
struct jsval_map_entry *entry;
MapInstance *map;
HRESULT hres;
if(!(map = get_map_this(jsthis))) return JS_E_MAP_EXPECTED;
TRACE("%p (%s)\n", map, debugstr_jsval(argc >= 1 ? argv[0] : jsval_undefined()));
if(!is_object_instance(callback) || !get_object(callback)) {
FIXME("invalid callback %s\n", debugstr_jsval(callback));
return E_FAIL;
}
if(argc > 1) {
FIXME("Unsupported argument\n");
return E_NOTIMPL;
}
LIST_FOR_EACH_ENTRY(entry, &map->entries, struct jsval_map_entry, list_entry) {
jsval_t args[2], v;
if(entry->deleted)
continue;
args[0] = entry->value;
args[1] = entry->key;
grab_map_entry(entry);
hres = disp_call_value(ctx, get_object(argv[0]), NULL, DISPATCH_METHOD,
ARRAY_SIZE(args), args, &v);
release_map_entry(entry);
if(FAILED(hres))
return hres;
jsval_release(v);
}
if(r) *r = jsval_undefined();
return S_OK;
}
static HRESULT Map_get(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
jsval_t key = argc >= 1 ? argv[0] : jsval_undefined();
struct jsval_map_entry *entry;
MapInstance *map;
if(!(map = get_map_this(jsthis))) return JS_E_MAP_EXPECTED;
TRACE("%p (%s)\n", map, debugstr_jsval(key));
if(!(entry = get_map_entry(map, key))) {
if(r) *r = jsval_undefined();
return S_OK;
}
return r ? jsval_copy(entry->value, r) : S_OK;
}
static HRESULT Map_set(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
jsval_t key = argc >= 1 ? argv[0] : jsval_undefined();
jsval_t value = argc >= 2 ? argv[1] : jsval_undefined();
struct jsval_map_entry *entry;
MapInstance *map;
HRESULT hres;
if(!(map = get_map_this(jsthis))) return JS_E_MAP_EXPECTED;
TRACE("%p (%s %s)\n", map, debugstr_jsval(key), debugstr_jsval(value));
if((entry = get_map_entry(map, key))) {
jsval_t val;
hres = jsval_copy(value, &val);
if(FAILED(hres))
return hres;
jsval_release(entry->value);
entry->value = val;
}else {
if(!(entry = heap_alloc_zero(sizeof(*entry)))) return E_OUTOFMEMORY;
hres = jsval_copy(key, &entry->key);
if(SUCCEEDED(hres)) {
hres = jsval_copy(value, &entry->value);
if(FAILED(hres))
jsval_release(entry->key);
}
if(FAILED(hres)) {
heap_free(entry);
return hres;
}
grab_map_entry(entry);
wine_rb_put(&map->map, &entry->key, &entry->entry);
list_add_tail(&map->entries, &entry->list_entry);
map->size++;
}
if(r) *r = jsval_undefined();
return S_OK;
}
static HRESULT Map_has(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
jsval_t key = argc >= 1 ? argv[0] : jsval_undefined();
struct jsval_map_entry *entry;
MapInstance *map;
if(!(map = get_map_this(jsthis))) return JS_E_MAP_EXPECTED;
TRACE("%p (%s)\n", map, debugstr_jsval(key));
entry = get_map_entry(map, key);
if(r) *r = jsval_bool(!!entry);
return S_OK;
}
static HRESULT Map_get_size(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
MapInstance *map = (MapInstance*)jsthis;
TRACE("%p\n", map);
*r = jsval_number(map->size);
return S_OK;
}
static HRESULT Map_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
FIXME("\n");
return E_NOTIMPL;
}
static void Map_destructor(jsdisp_t *dispex)
{
MapInstance *map = (MapInstance*)dispex;
while(!list_empty(&map->entries)) {
struct jsval_map_entry *entry = LIST_ENTRY(list_head(&map->entries),
struct jsval_map_entry, list_entry);
assert(!entry->deleted);
release_map_entry(entry);
}
heap_free(map);
}
static const builtin_prop_t Map_prototype_props[] = {
{L"clear", Map_clear, PROPF_METHOD},
{L"delete" , Map_delete, PROPF_METHOD|1},
{L"forEach", Map_forEach, PROPF_METHOD|1},
{L"get", Map_get, PROPF_METHOD|1},
{L"has", Map_has, PROPF_METHOD|1},
{L"set", Map_set, PROPF_METHOD|2},
};
static const builtin_prop_t Map_props[] = {
{L"size", NULL,0, Map_get_size, builtin_set_const},
};
static const builtin_info_t Map_prototype_info = {
JSCLASS_OBJECT,
Map_value,
ARRAY_SIZE(Map_prototype_props),
Map_prototype_props,
NULL,
NULL
};
static const builtin_info_t Map_info = {
JSCLASS_MAP,
Map_value,
ARRAY_SIZE(Map_props),
Map_props,
Map_destructor,
NULL
};
static HRESULT Map_constructor(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
MapInstance *map;
HRESULT hres;
switch(flags) {
case DISPATCH_CONSTRUCT:
TRACE("\n");
if(!(map = heap_alloc_zero(sizeof(*map))))
return E_OUTOFMEMORY;
hres = init_dispex(&map->dispex, ctx, &Map_info, ctx->map_prototype);
if(FAILED(hres))
return hres;
wine_rb_init(&map->map, jsval_map_compare);
list_init(&map->entries);
*r = jsval_obj(&map->dispex);
return S_OK;
default:
FIXME("unimplemented flags %x\n", flags);
return E_NOTIMPL;
}
}
HRESULT init_set_constructor(script_ctx_t *ctx)
{
jsdisp_t *constructor;
HRESULT hres;
if(ctx->version < SCRIPTLANGUAGEVERSION_ES6)
return S_OK;
hres = create_dispex(ctx, &Set_prototype_info, ctx->object_prototype, &ctx->set_prototype);
if(FAILED(hres))
return hres;
hres = create_builtin_constructor(ctx, Set_constructor, L"Set", NULL,
PROPF_CONSTR, ctx->set_prototype, &constructor);
if(FAILED(hres))
return hres;
hres = jsdisp_define_data_property(ctx->global, L"Set", PROPF_WRITABLE,
jsval_obj(constructor));
jsdisp_release(constructor);
if(FAILED(hres))
return hres;
hres = create_dispex(ctx, &Map_prototype_info, ctx->object_prototype, &ctx->map_prototype);
if(FAILED(hres))
return hres;
hres = create_builtin_constructor(ctx, Map_constructor, L"Map", NULL,
PROPF_CONSTR, ctx->map_prototype, &constructor);
if(FAILED(hres))
return hres;
hres = jsdisp_define_data_property(ctx->global, L"Map", PROPF_WRITABLE,
jsval_obj(constructor));
jsdisp_release(constructor);
return hres;
}