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Both GlobalObject and LexicalEnvironment now inherit from ScopeObject, and the VM's call frames point to a ScopeObject chain rather than just a LexicalEnvironment chain. This gives us much more flexibility to implement things like "with", and also unifies some of the code paths that previously required special handling of the global object. There's a bunch of more cleanup that can be done in the wake of this change, and there might be some oversights in the handling of the "super" keyword, but this generally seems like a good architectural improvement. :^)
149 lines
6.7 KiB
C++
149 lines
6.7 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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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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#pragma once
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#define JS_DECLARE_NATIVE_FUNCTION(name) \
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static JS::Value name(JS::VM&, JS::GlobalObject&)
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#define JS_DECLARE_NATIVE_GETTER(name) \
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static JS::Value name(JS::VM&, JS::GlobalObject&)
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#define JS_DECLARE_NATIVE_SETTER(name) \
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static void name(JS::VM&, JS::GlobalObject&, JS::Value)
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#define JS_DEFINE_NATIVE_FUNCTION(name) \
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JS::Value name([[maybe_unused]] JS::VM& vm, [[maybe_unused]] JS::GlobalObject& global_object)
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#define JS_DEFINE_NATIVE_GETTER(name) \
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JS::Value name([[maybe_unused]] JS::VM& vm, [[maybe_unused]] JS::GlobalObject& global_object)
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#define JS_DEFINE_NATIVE_SETTER(name) \
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void name([[maybe_unused]] JS::VM& vm, [[maybe_unused]] JS::GlobalObject& global_object, JS::Value value)
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#define JS_ENUMERATE_NATIVE_OBJECTS \
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__JS_ENUMERATE(Array, array, ArrayPrototype, ArrayConstructor) \
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__JS_ENUMERATE(BigIntObject, bigint, BigIntPrototype, BigIntConstructor) \
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__JS_ENUMERATE(BooleanObject, boolean, BooleanPrototype, BooleanConstructor) \
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__JS_ENUMERATE(Date, date, DatePrototype, DateConstructor) \
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__JS_ENUMERATE(Error, error, ErrorPrototype, ErrorConstructor) \
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__JS_ENUMERATE(Function, function, FunctionPrototype, FunctionConstructor) \
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__JS_ENUMERATE(NumberObject, number, NumberPrototype, NumberConstructor) \
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__JS_ENUMERATE(Object, object, ObjectPrototype, ObjectConstructor) \
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__JS_ENUMERATE(ProxyObject, proxy, ProxyPrototype, ProxyConstructor) \
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__JS_ENUMERATE(RegExpObject, regexp, RegExpPrototype, RegExpConstructor) \
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__JS_ENUMERATE(StringObject, string, StringPrototype, StringConstructor) \
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__JS_ENUMERATE(SymbolObject, symbol, SymbolPrototype, SymbolConstructor)
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#define JS_ENUMERATE_ERROR_SUBCLASSES \
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__JS_ENUMERATE(EvalError, eval_error, EvalErrorPrototype, EvalErrorConstructor) \
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__JS_ENUMERATE(InternalError, internal_error, InternalErrorPrototype, InternalErrorConstructor) \
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__JS_ENUMERATE(InvalidCharacterError, invalid_character_error, InvalidCharacterErrorPrototype, InvalidCharacterErrorConstructor) \
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__JS_ENUMERATE(RangeError, range_error, RangeErrorPrototype, RangeErrorConstructor) \
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__JS_ENUMERATE(ReferenceError, reference_error, ReferenceErrorPrototype, ReferenceErrorConstructor) \
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__JS_ENUMERATE(SyntaxError, syntax_error, SyntaxErrorPrototype, SyntaxErrorConstructor) \
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__JS_ENUMERATE(TypeError, type_error, TypeErrorPrototype, TypeErrorConstructor) \
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__JS_ENUMERATE(URIError, uri_error, URIErrorPrototype, URIErrorConstructor)
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#define JS_ENUMERATE_ITERATOR_PROTOTYPES \
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__JS_ENUMERATE(Iterator, iterator) \
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__JS_ENUMERATE(ArrayIterator, array_iterator) \
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__JS_ENUMERATE(StringIterator, string_iterator)
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#define JS_ENUMERATE_BUILTIN_TYPES \
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JS_ENUMERATE_NATIVE_OBJECTS \
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JS_ENUMERATE_ERROR_SUBCLASSES
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#define JS_ENUMERATE_WELL_KNOWN_SYMBOLS \
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__JS_ENUMERATE(iterator, iterator) \
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__JS_ENUMERATE(asyncIterator, async_iterator) \
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__JS_ENUMERATE(match, match) \
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__JS_ENUMERATE(matchAll, match_all) \
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__JS_ENUMERATE(replace, replace) \
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__JS_ENUMERATE(search, search) \
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__JS_ENUMERATE(split, split) \
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__JS_ENUMERATE(hasInstance, has_instance) \
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__JS_ENUMERATE(isConcatSpreadable, is_concat_spreadable) \
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__JS_ENUMERATE(unscopables, unscopables) \
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__JS_ENUMERATE(species, species) \
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__JS_ENUMERATE(toPrimitive, to_primitive) \
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__JS_ENUMERATE(toStringTag, to_string_tag)
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#define JS_ENUMERATE_REGEXP_FLAGS \
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__JS_ENUMERATE(global, global, g, Global) \
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__JS_ENUMERATE(ignoreCase, ignore_case, i, Insensitive) \
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__JS_ENUMERATE(multiline, multiline, m, Multiline) \
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__JS_ENUMERATE(dotAll, dot_all, s, SingleLine) \
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__JS_ENUMERATE(unicode, unicode, u, Unicode) \
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__JS_ENUMERATE(sticky, sticky, y, Sticky)
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namespace JS {
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class ASTNode;
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class Allocator;
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class BigInt;
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class BoundFunction;
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class Cell;
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class Console;
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class DeferGC;
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class Error;
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class Exception;
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class Expression;
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class Accessor;
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class GlobalObject;
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class HandleImpl;
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class Heap;
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class HeapBlock;
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class Interpreter;
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class LexicalEnvironment;
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class MarkedValueList;
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class NativeProperty;
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class PrimitiveString;
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class Reference;
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class ScopeNode;
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class ScopeObject;
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class Shape;
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class Statement;
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class Symbol;
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class Token;
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class Uint8ClampedArray;
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class VM;
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class Value;
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enum class DeclarationKind;
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#define __JS_ENUMERATE(ClassName, snake_name, ConstructorName, PrototypeName) \
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class ClassName; \
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class ConstructorName; \
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class PrototypeName;
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JS_ENUMERATE_BUILTIN_TYPES
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#undef __JS_ENUMERATE
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struct Argument;
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template<class T>
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class Handle;
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}
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