73f347b75c
This is currently only used in the bytecode dump to annotate to where unwinds lead per block, but will be hooked up to the virtual machine in the next commit.
79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
/*
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* Copyright (c) 2021-2023, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/DeprecatedFlyString.h>
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#include <AK/HashMap.h>
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#include <AK/NonnullOwnPtr.h>
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#include <AK/OwnPtr.h>
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#include <AK/WeakPtr.h>
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#include <LibJS/Bytecode/IdentifierTable.h>
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#include <LibJS/Bytecode/Label.h>
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#include <LibJS/Bytecode/StringTable.h>
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#include <LibJS/Forward.h>
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#include <LibJS/JIT/NativeExecutable.h>
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#include <LibJS/Runtime/EnvironmentCoordinate.h>
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namespace JS::Bytecode {
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struct PropertyLookupCache {
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WeakPtr<Shape> shape;
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Optional<u32> property_offset;
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u64 unique_shape_serial_number { 0 };
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};
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struct GlobalVariableCache : public PropertyLookupCache {
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u64 environment_serial_number { 0 };
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};
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struct SourceRecord {
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u32 source_start_offset {};
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u32 source_end_offset {};
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};
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class Executable final : public RefCounted<Executable> {
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public:
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Executable(
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NonnullOwnPtr<IdentifierTable>,
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NonnullOwnPtr<StringTable>,
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NonnullOwnPtr<RegexTable>,
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NonnullRefPtr<SourceCode const>,
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size_t number_of_property_lookup_caches,
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size_t number_of_global_variable_caches,
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size_t number_of_environment_variable_caches,
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size_t number_of_registers,
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Vector<NonnullOwnPtr<BasicBlock>>,
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bool is_strict_mode);
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~Executable();
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DeprecatedFlyString name;
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Vector<PropertyLookupCache> property_lookup_caches;
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Vector<GlobalVariableCache> global_variable_caches;
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Vector<Optional<EnvironmentCoordinate>> environment_variable_caches;
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Vector<NonnullOwnPtr<BasicBlock>> basic_blocks;
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NonnullOwnPtr<StringTable> string_table;
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NonnullOwnPtr<IdentifierTable> identifier_table;
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NonnullOwnPtr<RegexTable> regex_table;
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NonnullRefPtr<SourceCode const> source_code;
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size_t number_of_registers { 0 };
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bool is_strict_mode { false };
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DeprecatedString const& get_string(StringTableIndex index) const { return string_table->get(index); }
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DeprecatedFlyString const& get_identifier(IdentifierTableIndex index) const { return identifier_table->get(index); }
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void dump() const;
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JIT::NativeExecutable const* get_or_create_native_executable();
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private:
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OwnPtr<JIT::NativeExecutable> m_native_executable;
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bool m_did_try_jitting { false };
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};
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}
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