mirror of
https://github.com/phpv8/v8js.git
synced 2024-12-22 07:01:52 +00:00
271 lines
7.8 KiB
C++
271 lines
7.8 KiB
C++
/*
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+----------------------------------------------------------------------+
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| PHP Version 7 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2017 The PHP Group |
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+----------------------------------------------------------------------+
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| http://www.opensource.org/licenses/mit-license.php MIT License |
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+----------------------------------------------------------------------+
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| Author: Stefan Siegl <stesie@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "php_v8js_macros.h"
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#include "v8js_array_access.h"
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#include "v8js_exceptions.h"
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#include "v8js_object_export.h"
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extern "C" {
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#include "php.h"
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#include "ext/date/php_date.h"
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#include "ext/standard/php_string.h"
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#include "zend_interfaces.h"
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#include "zend_closures.h"
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#include "zend_exceptions.h"
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}
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static zval v8js_array_access_dispatch(zend_object *object, const char *method_name, int param_count,
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uint32_t index, zval zvalue) /* {{{ */
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{
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zend_fcall_info fci;
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zval php_value;
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fci.size = sizeof(fci);
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ZVAL_STRING(&fci.function_name, method_name);
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fci.retval = &php_value;
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zval params[2];
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ZVAL_LONG(¶ms[0], index);
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params[1] = zvalue;
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fci.param_count = param_count;
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fci.params = params;
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fci.object = object;
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fci.named_params = NULL;
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zend_call_function(&fci, NULL);
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zval_dtor(&fci.function_name);
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return php_value;
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}
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/* }}} */
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v8::Intercepted v8js_array_access_getter(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info) /* {{{ */
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{
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v8::Isolate *isolate = info.GetIsolate();
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v8::Local<v8::Object> self = info.Holder();
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zend_object *object = reinterpret_cast<zend_object *>(self->GetAlignedPointerFromInternalField(1));
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zval zvalue;
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ZVAL_UNDEF(&zvalue);
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zval php_value = v8js_array_access_dispatch(object, "offsetGet", 1, index, zvalue);
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v8::Local<v8::Value> ret_value = zval_to_v8js(&php_value, isolate);
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zval_ptr_dtor(&php_value);
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if (ret_value.IsEmpty()) {
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return v8::Intercepted::kNo;
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} else {
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info.GetReturnValue().Set(ret_value);
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return v8::Intercepted::kYes;
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}
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}
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/* }}} */
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v8::Intercepted v8js_array_access_setter(uint32_t index, v8::Local<v8::Value> value,
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const v8::PropertyCallbackInfo<void>& info) /* {{{ */
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{
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v8::Isolate *isolate = info.GetIsolate();
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v8::Local<v8::Object> self = info.Holder();
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zend_object *object = reinterpret_cast<zend_object *>(self->GetAlignedPointerFromInternalField(1));
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zval zvalue;
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ZVAL_UNDEF(&zvalue);
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if (v8js_to_zval(value, &zvalue, 0, isolate) != SUCCESS) {
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return v8::Intercepted::kNo;
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}
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zval php_value = v8js_array_access_dispatch(object, "offsetSet", 2, index, zvalue);
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zval_ptr_dtor(&php_value);
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/* if PHP wanted to hold on to this value, zend_call_function would
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* have bumped the refcount. */
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zval_ptr_dtor(&zvalue);
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return v8::Intercepted::kYes;
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}
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/* }}} */
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static int v8js_array_access_get_count_result(zend_object *object) /* {{{ */
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{
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zval zvalue;
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ZVAL_UNDEF(&zvalue);
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zval php_value = v8js_array_access_dispatch(object, "count", 0, 0, zvalue);
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if(Z_TYPE(php_value) != IS_LONG) {
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php_error_docref(NULL, E_WARNING, "Non-numeric return value from count() method");
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zval_ptr_dtor(&php_value);
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return 0;
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}
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zend_long result = Z_LVAL(php_value);
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if (result > std::numeric_limits<int>::max()) {
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zend_throw_exception(php_ce_v8js_exception,
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"Array size/offset exceeds maximum supported length", 0);
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return 0;
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}
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return static_cast<int>(result);
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}
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/* }}} */
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static bool v8js_array_access_isset_p(zend_object *object, int index) /* {{{ */
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{
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zval zvalue;
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ZVAL_UNDEF(&zvalue);
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zval php_value = v8js_array_access_dispatch(object, "offsetExists", 1, index, zvalue);
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if(Z_TYPE(php_value) != IS_TRUE && Z_TYPE(php_value) != IS_FALSE) {
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php_error_docref(NULL, E_WARNING, "Non-boolean return value from offsetExists() method");
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zval_ptr_dtor(&php_value);
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return false;
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}
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return Z_TYPE(php_value) == IS_TRUE;
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}
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/* }}} */
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static void v8js_array_access_length(v8::Local<v8::String> property, const v8::PropertyCallbackInfo<v8::Value>& info) /* {{{ */
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{
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v8::Isolate *isolate = info.GetIsolate();
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v8::Local<v8::Object> self = info.Holder();
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zend_object *object = reinterpret_cast<zend_object *>(self->GetAlignedPointerFromInternalField(1));
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int length = v8js_array_access_get_count_result(object);
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info.GetReturnValue().Set(V8JS_INT(length));
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}
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/* }}} */
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v8::Intercepted v8js_array_access_deleter(uint32_t index, const v8::PropertyCallbackInfo<v8::Boolean>& info) /* {{{ */
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{
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v8::Isolate *isolate = info.GetIsolate();
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v8::Local<v8::Object> self = info.Holder();
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zend_object *object = reinterpret_cast<zend_object *>(self->GetAlignedPointerFromInternalField(1));
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zval zvalue;
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ZVAL_UNDEF(&zvalue);
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zval php_value = v8js_array_access_dispatch(object, "offsetUnset", 1, index, zvalue);
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zval_ptr_dtor(&php_value);
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info.GetReturnValue().Set(V8JS_BOOL(true));
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return v8::Intercepted::kYes;
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}
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/* }}} */
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v8::Intercepted v8js_array_access_query(uint32_t index, const v8::PropertyCallbackInfo<v8::Integer>& info) /* {{{ */
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{
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v8::Isolate *isolate = info.GetIsolate();
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v8::Local<v8::Object> self = info.Holder();
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zend_object *object = reinterpret_cast<zend_object *>(self->GetAlignedPointerFromInternalField(1));
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/* If index is set, then return an integer encoding a v8::PropertyAttribute;
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* otherwise we're expected to return an empty handle. */
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if(v8js_array_access_isset_p(object, index)) {
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info.GetReturnValue().Set(V8JS_UINT(v8::PropertyAttribute::None));
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return v8::Intercepted::kYes;
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}
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return v8::Intercepted::kNo;
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}
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/* }}} */
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void v8js_array_access_enumerator(const v8::PropertyCallbackInfo<v8::Array>& info) /* {{{ */
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{
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v8::Isolate *isolate = info.GetIsolate();
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v8::Local<v8::Object> self = info.Holder();
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zend_object *object = reinterpret_cast<zend_object *>(self->GetAlignedPointerFromInternalField(1));
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int length = v8js_array_access_get_count_result(object);
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v8::Local<v8::Array> result = v8::Array::New(isolate, length);
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int i = 0;
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for(int j = 0; j < length; j ++) {
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if(v8js_array_access_isset_p(object, j)) {
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result->Set(isolate->GetEnteredOrMicrotaskContext(), i ++, V8JS_INT(j));
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}
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}
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result->Set(isolate->GetEnteredOrMicrotaskContext(), V8JS_SYM("length"), V8JS_INT(i));
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info.GetReturnValue().Set(result);
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}
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/* }}} */
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v8::Intercepted v8js_array_access_named_getter(v8::Local<v8::Name> property_name, const v8::PropertyCallbackInfo<v8::Value> &info) /* {{{ */
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{
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v8::Local<v8::String> property = v8::Local<v8::String>::Cast(property_name);
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v8::Isolate *isolate = info.GetIsolate();
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v8::String::Utf8Value cstr(isolate, property);
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const char *name = ToCString(cstr);
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if(strcmp(name, "length") == 0) {
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v8js_array_access_length(property, info);
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return v8::Intercepted::kYes;
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}
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v8::Local<v8::Value> ret_value = v8js_named_property_callback(info.GetIsolate(), info.Holder(), property, V8JS_PROP_GETTER);
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if(ret_value.IsEmpty()) {
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v8::Local<v8::Array> arr = v8::Array::New(isolate);
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v8::Local<v8::Value> prototype = arr->GetPrototype();
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if(!prototype->IsObject()) {
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/* ehh? Array.prototype not an object? strange, stop. */
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info.GetReturnValue().Set(ret_value);
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}
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v8::Local<v8::Object> prototype_object;
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if(!prototype->ToObject(isolate->GetEnteredOrMicrotaskContext()).ToLocal(&prototype_object)) {
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/* ehh? Array.prototype not an object? strange, stop. */
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info.GetReturnValue().Set(ret_value);
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}
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prototype_object->Get(isolate->GetEnteredOrMicrotaskContext(), property).ToLocal(&ret_value);
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}
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info.GetReturnValue().Set(ret_value);
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return v8::Intercepted::kYes;
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}
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/* }}} */
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* indent-tabs-mode: t
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* End:
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* vim600: noet sw=4 ts=4 fdm=marker
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* vim<600: noet sw=4 ts=4
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*/
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