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https://github.com/RGBCube/serenity
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36996bd720
As these parameter-less overloads don't change the value's type and just assume Type::Number, naming them as_i32() and as_size_t() is more appropriate.
98 lines
3.6 KiB
C++
98 lines
3.6 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2020, Linus Groh <mail@linusgroh.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/Function.h>
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#include <LibJS/Heap/Heap.h>
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#include <LibJS/Interpreter.h>
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#include <LibJS/Runtime/Array.h>
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#include <LibJS/Runtime/ArrayConstructor.h>
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#include <LibJS/Runtime/Error.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Shape.h>
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namespace JS {
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ArrayConstructor::ArrayConstructor()
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: NativeFunction("Array", *interpreter().global_object().function_prototype())
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{
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put("prototype", interpreter().global_object().array_prototype(), 0);
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put("length", Value(1), Attribute::Configurable);
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u8 attr = Attribute::Writable | Attribute::Configurable;
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put_native_function("isArray", is_array, 1, attr);
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put_native_function("of", of, 0, attr);
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}
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ArrayConstructor::~ArrayConstructor()
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{
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}
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Value ArrayConstructor::call(Interpreter& interpreter)
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{
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if (interpreter.argument_count() <= 0)
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return Array::create(interpreter.global_object());
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if (interpreter.argument_count() == 1 && interpreter.argument(0).is_number()) {
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auto array_length_value = interpreter.argument(0);
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if (!array_length_value.is_integer() || array_length_value.as_i32() < 0) {
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interpreter.throw_exception<TypeError>("Invalid array length");
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return {};
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}
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auto* array = Array::create(interpreter.global_object());
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array->elements().resize(array_length_value.as_i32());
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return array;
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}
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auto* array = Array::create(interpreter.global_object());
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for (size_t i = 0; i < interpreter.argument_count(); ++i)
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array->elements().append(interpreter.argument(i));
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return array;
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}
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Value ArrayConstructor::construct(Interpreter& interpreter)
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{
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return call(interpreter);
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}
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Value ArrayConstructor::is_array(Interpreter& interpreter)
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{
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auto value = interpreter.argument(0);
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if (!value.is_array())
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return Value(false);
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// Exclude TypedArray and similar
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return Value(StringView(value.as_object().class_name()) == "Array");
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}
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Value ArrayConstructor::of(Interpreter& interpreter)
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{
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auto* array = Array::create(interpreter.global_object());
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for (size_t i = 0; i < interpreter.argument_count(); ++i)
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array->elements().append(interpreter.argument(i));
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return array;
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}
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}
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