46d209c55b
Instead of emitting a NewString instruction to construct a primitive string from a parsed literal, we now instantiate the PrimitiveString on the heap during codegen.
83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
/*
|
|
* Copyright (c) 2021-2024, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/DeprecatedFlyString.h>
|
|
#include <AK/HashMap.h>
|
|
#include <AK/NonnullOwnPtr.h>
|
|
#include <AK/OwnPtr.h>
|
|
#include <AK/WeakPtr.h>
|
|
#include <LibJS/Bytecode/IdentifierTable.h>
|
|
#include <LibJS/Bytecode/Label.h>
|
|
#include <LibJS/Bytecode/StringTable.h>
|
|
#include <LibJS/Forward.h>
|
|
#include <LibJS/Heap/Cell.h>
|
|
#include <LibJS/Heap/CellAllocator.h>
|
|
#include <LibJS/Runtime/EnvironmentCoordinate.h>
|
|
|
|
namespace JS::Bytecode {
|
|
|
|
struct PropertyLookupCache {
|
|
WeakPtr<Shape> shape;
|
|
Optional<u32> property_offset;
|
|
};
|
|
|
|
struct GlobalVariableCache : public PropertyLookupCache {
|
|
u64 environment_serial_number { 0 };
|
|
};
|
|
|
|
using EnvironmentVariableCache = Optional<EnvironmentCoordinate>;
|
|
|
|
struct SourceRecord {
|
|
u32 source_start_offset {};
|
|
u32 source_end_offset {};
|
|
};
|
|
|
|
class Executable final : public Cell {
|
|
JS_CELL(Executable, Cell);
|
|
JS_DECLARE_ALLOCATOR(Executable);
|
|
|
|
public:
|
|
Executable(
|
|
NonnullOwnPtr<IdentifierTable>,
|
|
NonnullOwnPtr<StringTable>,
|
|
NonnullOwnPtr<RegexTable>,
|
|
Vector<Value> constants,
|
|
NonnullRefPtr<SourceCode const>,
|
|
size_t number_of_property_lookup_caches,
|
|
size_t number_of_global_variable_caches,
|
|
size_t number_of_environment_variable_caches,
|
|
size_t number_of_registers,
|
|
Vector<NonnullOwnPtr<BasicBlock>>,
|
|
bool is_strict_mode);
|
|
|
|
virtual ~Executable() override;
|
|
|
|
DeprecatedFlyString name;
|
|
Vector<PropertyLookupCache> property_lookup_caches;
|
|
Vector<GlobalVariableCache> global_variable_caches;
|
|
Vector<EnvironmentVariableCache> environment_variable_caches;
|
|
Vector<NonnullOwnPtr<BasicBlock>> basic_blocks;
|
|
NonnullOwnPtr<StringTable> string_table;
|
|
NonnullOwnPtr<IdentifierTable> identifier_table;
|
|
NonnullOwnPtr<RegexTable> regex_table;
|
|
Vector<Value> constants;
|
|
|
|
NonnullRefPtr<SourceCode const> source_code;
|
|
size_t number_of_registers { 0 };
|
|
bool is_strict_mode { false };
|
|
|
|
ByteString const& get_string(StringTableIndex index) const { return string_table->get(index); }
|
|
DeprecatedFlyString const& get_identifier(IdentifierTableIndex index) const { return identifier_table->get(index); }
|
|
|
|
void dump() const;
|
|
|
|
private:
|
|
virtual void visit_edges(Visitor&) override;
|
|
};
|
|
|
|
}
|