LibJS: Enable EXPLICIT_SYMBOL_EXPORT

Author: https://github.com/ayeteadoe Commit: c14173f651 Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/5215 Reviewed-by: https://github.com/ADKaster ✅
2025-07-12 12:01:52 +00:00 · 2025-06-28 21:39:13 -07:00 · 2025-06-28 21:39:13 -07:00 · c14173f651 · 2025-06-30 16:51:52 +00:00
commit c14173f651
parent 83846b3861
258 changed files with 952 additions and 941 deletions
--- a/Libraries/LibJS/Bytecode/BasicBlock.h
+++ b/Libraries/LibJS/Bytecode/BasicBlock.h
@ -22,7 +22,7 @@ struct UnwindInfo {
    bool handler_called { false };
 };

-class BasicBlock {
+class JS_API BasicBlock {
    AK_MAKE_NONCOPYABLE(BasicBlock);

 public:
--- a/Libraries/LibJS/Bytecode/CodeGenerationError.h
+++ b/Libraries/LibJS/Bytecode/CodeGenerationError.h
@ -13,7 +13,7 @@

 namespace JS::Bytecode {

-struct CodeGenerationError {
+struct JS_API CodeGenerationError {
    ASTNode const* failing_node { nullptr };
    StringView reason_literal;

--- a/Libraries/LibJS/Bytecode/Executable.h
+++ b/Libraries/LibJS/Bytecode/Executable.h
@ -47,7 +47,7 @@ struct SourceRecord {
    u32 source_end_offset {};
 };

-class Executable final : public Cell {
+class JS_API Executable final : public Cell {
    GC_CELL(Executable, Cell);
    GC_DECLARE_ALLOCATOR(Executable);

--- a/Libraries/LibJS/Bytecode/Generator.h
+++ b/Libraries/LibJS/Bytecode/Generator.h
@ -23,7 +23,7 @@

 namespace JS::Bytecode {

-class Generator {
+class JS_API Generator {
 public:
    VM& vm() { return m_vm; }

@ -55,7 +55,7 @@ public:
    [[nodiscard]] bool is_local_initialized(Identifier::Local const&) const;
    [[nodiscard]] bool is_local_lexically_declared(Identifier::Local const& local) const;

-    class SourceLocationScope {
+    class JS_API SourceLocationScope {
    public:
        SourceLocationScope(Generator&, ASTNode const& node);
        ~SourceLocationScope();
@ -65,7 +65,7 @@ public:
        ASTNode const* m_previous_node { nullptr };
    };

-    class UnwindContext {
+    class JS_API UnwindContext {
    public:
        UnwindContext(Generator&, Optional<Label> finalizer);

--- a/Libraries/LibJS/Bytecode/IdentifierTable.h
+++ b/Libraries/LibJS/Bytecode/IdentifierTable.h
@ -9,6 +9,7 @@
 #include <AK/DistinctNumeric.h>
 #include <AK/FlyString.h>
 #include <AK/Vector.h>
+#include <LibJS/Forward.h>

 namespace JS::Bytecode {

@ -18,7 +19,7 @@ struct IdentifierTableIndex {
    u32 value { 0 };
 };

-class IdentifierTable {
+class JS_API IdentifierTable {
    AK_MAKE_NONMOVABLE(IdentifierTable);
    AK_MAKE_NONCOPYABLE(IdentifierTable);

--- a/Libraries/LibJS/Bytecode/Instruction.h
+++ b/Libraries/LibJS/Bytecode/Instruction.h
@ -153,7 +153,7 @@

 namespace JS::Bytecode {

-class alignas(void*) Instruction {
+class alignas(void*) JS_API Instruction {
 public:
    constexpr static bool IsTerminator = false;
    static constexpr bool IsVariableLength = false;
@ -185,7 +185,7 @@ private:
    Type m_type {};
 };

-class InstructionStreamIterator {
+class JS_API InstructionStreamIterator {
 public:
    InstructionStreamIterator(ReadonlyBytes bytes, Executable const* executable = nullptr, size_t offset = 0)
        : m_begin(bytes.data())
--- a/Libraries/LibJS/Bytecode/Interpreter.h
+++ b/Libraries/LibJS/Bytecode/Interpreter.h
@ -19,7 +19,7 @@ namespace JS::Bytecode {

 class InstructionStreamIterator;

-class Interpreter {
+class JS_API Interpreter {
 public:
    explicit Interpreter(VM&);
    ~Interpreter();
--- a/Libraries/LibJS/Bytecode/Label.h
+++ b/Libraries/LibJS/Bytecode/Label.h
@ -7,12 +7,13 @@
 #pragma once

 #include <AK/Format.h>
+#include <LibJS/Forward.h>

 namespace JS::Bytecode {

 class BasicBlock;

-class Label {
+class JS_API Label {
 public:
    explicit Label(BasicBlock const&);

--- a/Libraries/LibJS/Bytecode/Op.h
+++ b/Libraries/LibJS/Bytecode/Op.h
@ -34,7 +34,7 @@ class FunctionExpression;

 namespace JS::Bytecode::Op {

-class CreateRestParams final : public Instruction {
+class JS_API CreateRestParams final : public Instruction {
 public:
    CreateRestParams(Operand dst, u32 rest_index)
        : Instruction(Type::CreateRestParams)
@ -55,7 +55,7 @@ private:
    u32 m_rest_index;
 };

-class CreateArguments final : public Instruction {
+class JS_API CreateArguments final : public Instruction {
 public:
    enum class Kind {
        Mapped,
@ -84,7 +84,7 @@ private:
    bool m_is_immutable { false };
 };

-class Mov final : public Instruction {
+class JS_API Mov final : public Instruction {
 public:
    Mov(Operand dst, Operand src)
        : Instruction(Type::Mov)
@ -135,7 +135,7 @@ private:
    O(StrictlyEquals, strict_equals)

 #define JS_DECLARE_COMMON_BINARY_OP(OpTitleCase, op_snake_case)             \
-    class OpTitleCase final : public Instruction {                          \
+    class JS_API OpTitleCase final : public Instruction {                   \
    public:                                                                 \
        explicit OpTitleCase(Operand dst, Operand lhs, Operand rhs)         \
            : Instruction(Type::OpTitleCase)                                \
@ -176,7 +176,7 @@ JS_ENUMERATE_COMMON_BINARY_OPS_WITH_FAST_PATH(JS_DECLARE_COMMON_BINARY_OP)
    O(Typeof, typeof_)

 #define JS_DECLARE_COMMON_UNARY_OP(OpTitleCase, op_snake_case)              \
-    class OpTitleCase final : public Instruction {                          \
+    class JS_API OpTitleCase final : public Instruction {                   \
    public:                                                                 \
        OpTitleCase(Operand dst, Operand src)                               \
            : Instruction(Type::OpTitleCase)                                \
@ -204,7 +204,7 @@ JS_ENUMERATE_COMMON_BINARY_OPS_WITH_FAST_PATH(JS_DECLARE_COMMON_BINARY_OP)
 JS_ENUMERATE_COMMON_UNARY_OPS(JS_DECLARE_COMMON_UNARY_OP)
 #undef JS_DECLARE_COMMON_UNARY_OP

-class NewObject final : public Instruction {
+class JS_API NewObject final : public Instruction {
 public:
    explicit NewObject(Operand dst)
        : Instruction(Type::NewObject)
@ -225,7 +225,7 @@ private:
    Operand m_dst;
 };

-class NewRegExp final : public Instruction {
+class JS_API NewRegExp final : public Instruction {
 public:
    NewRegExp(Operand dst, StringTableIndex source_index, StringTableIndex flags_index, RegexTableIndex regex_index)
        : Instruction(Type::NewRegExp)
@ -259,7 +259,7 @@ private:
    O(TypeError)

 #define JS_DECLARE_NEW_BUILTIN_ERROR_OP(ErrorName)                         \
-    class New##ErrorName final : public Instruction {                      \
+    class JS_API New##ErrorName final : public Instruction {               \
    public:                                                                \
        New##ErrorName(Operand dst, StringTableIndex error_string)         \
            : Instruction(Type::New##ErrorName)                            \
@ -287,7 +287,7 @@ JS_ENUMERATE_NEW_BUILTIN_ERROR_OPS(JS_DECLARE_NEW_BUILTIN_ERROR_OP)
 #undef JS_DECLARE_NEW_BUILTIN_ERROR_OP

 // NOTE: This instruction is variable-width depending on the number of excluded names
-class CopyObjectExcludingProperties final : public Instruction {
+class JS_API CopyObjectExcludingProperties final : public Instruction {
 public:
    static constexpr bool IsVariableLength = true;

@ -330,7 +330,7 @@ private:
 };

 // NOTE: This instruction is variable-width depending on the number of elements!
-class NewArray final : public Instruction {
+class JS_API NewArray final : public Instruction {
 public:
    static constexpr bool IsVariableLength = true;

@ -375,7 +375,7 @@ private:
    Operand m_elements[];
 };

-class NewPrimitiveArray final : public Instruction {
+class JS_API NewPrimitiveArray final : public Instruction {
 public:
    static constexpr bool IsVariableLength = true;

@ -410,7 +410,7 @@ private:
    Value m_elements[];
 };

-class AddPrivateName final : public Instruction {
+class JS_API AddPrivateName final : public Instruction {
 public:
    explicit AddPrivateName(IdentifierTableIndex name)
        : Instruction(Type::AddPrivateName)
@ -425,7 +425,7 @@ private:
    IdentifierTableIndex m_name;
 };

-class ArrayAppend final : public Instruction {
+class JS_API ArrayAppend final : public Instruction {
 public:
    ArrayAppend(Operand dst, Operand src, bool is_spread)
        : Instruction(Type::ArrayAppend)
@ -453,7 +453,7 @@ private:
    bool m_is_spread = false;
 };

-class ImportCall final : public Instruction {
+class JS_API ImportCall final : public Instruction {
 public:
    ImportCall(Operand dst, Operand specifier, Operand options)
        : Instruction(Type::ImportCall)
@ -482,7 +482,7 @@ private:
    Operand m_options;
 };

-class IteratorToArray final : public Instruction {
+class JS_API IteratorToArray final : public Instruction {
 public:
    explicit IteratorToArray(Operand dst, Operand iterator)
        : Instruction(Type::IteratorToArray)
@ -508,7 +508,7 @@ private:
    Operand m_iterator;
 };

-class ConcatString final : public Instruction {
+class JS_API ConcatString final : public Instruction {
 public:
    explicit ConcatString(Operand dst, Operand src)
        : Instruction(Type::ConcatString)
@ -544,7 +544,7 @@ enum class BindingInitializationMode {
    Set,
 };

-class CreateLexicalEnvironment final : public Instruction {
+class JS_API CreateLexicalEnvironment final : public Instruction {
 public:
    explicit CreateLexicalEnvironment(u32 capacity = 0)
        : Instruction(Type::CreateLexicalEnvironment)
@ -559,7 +559,7 @@ private:
    u32 m_capacity { 0 };
 };

-class CreateVariableEnvironment final : public Instruction {
+class JS_API CreateVariableEnvironment final : public Instruction {
 public:
    explicit CreateVariableEnvironment(u32 capacity = 0)
        : Instruction(Type::CreateVariableEnvironment)
@ -574,7 +574,7 @@ private:
    u32 m_capacity { 0 };
 };

-class CreatePrivateEnvironment final : public Instruction {
+class JS_API CreatePrivateEnvironment final : public Instruction {
 public:
    explicit CreatePrivateEnvironment()
        : Instruction(Type::CreatePrivateEnvironment)
@ -585,7 +585,7 @@ public:
    ByteString to_byte_string_impl(Bytecode::Executable const&) const;
 };

-class EnterObjectEnvironment final : public Instruction {
+class JS_API EnterObjectEnvironment final : public Instruction {
 public:
    explicit EnterObjectEnvironment(Operand object)
        : Instruction(Type::EnterObjectEnvironment)
@ -607,7 +607,7 @@ private:
    Operand m_object;
 };

-class Catch final : public Instruction {
+class JS_API Catch final : public Instruction {
 public:
    explicit Catch(Operand dst)
        : Instruction(Type::Catch)
@ -629,7 +629,7 @@ private:
    Operand m_dst;
 };

-class LeaveFinally final : public Instruction {
+class JS_API LeaveFinally final : public Instruction {
 public:
    explicit LeaveFinally()
        : Instruction(Type::LeaveFinally)
@ -640,7 +640,7 @@ public:
    ByteString to_byte_string_impl(Bytecode::Executable const&) const;
 };

-class RestoreScheduledJump final : public Instruction {
+class JS_API RestoreScheduledJump final : public Instruction {
 public:
    explicit RestoreScheduledJump()
        : Instruction(Type::RestoreScheduledJump)
@ -651,7 +651,7 @@ public:
    ByteString to_byte_string_impl(Bytecode::Executable const&) const;
 };

-class CreateVariable final : public Instruction {
+class JS_API CreateVariable final : public Instruction {
 public:
    explicit CreateVariable(IdentifierTableIndex identifier, EnvironmentMode mode, bool is_immutable, bool is_global = false, bool is_strict = false)
        : Instruction(Type::CreateVariable)
@ -680,7 +680,7 @@ private:
    bool m_is_strict { false };
 };

-class InitializeLexicalBinding final : public Instruction {
+class JS_API InitializeLexicalBinding final : public Instruction {
 public:
    explicit InitializeLexicalBinding(IdentifierTableIndex identifier, Operand src)
        : Instruction(Type::InitializeLexicalBinding)
@ -705,7 +705,7 @@ private:
    mutable EnvironmentCoordinate m_cache;
 };

-class InitializeVariableBinding final : public Instruction {
+class JS_API InitializeVariableBinding final : public Instruction {
 public:
    explicit InitializeVariableBinding(IdentifierTableIndex identifier, Operand src)
        : Instruction(Type::InitializeVariableBinding)
@ -730,7 +730,7 @@ private:
    mutable EnvironmentCoordinate m_cache;
 };

-class SetLexicalBinding final : public Instruction {
+class JS_API SetLexicalBinding final : public Instruction {
 public:
    explicit SetLexicalBinding(IdentifierTableIndex identifier, Operand src)
        : Instruction(Type::SetLexicalBinding)
@ -755,7 +755,7 @@ private:
    mutable EnvironmentCoordinate m_cache;
 };

-class SetVariableBinding final : public Instruction {
+class JS_API SetVariableBinding final : public Instruction {
 public:
    explicit SetVariableBinding(IdentifierTableIndex identifier, Operand src)
        : Instruction(Type::SetVariableBinding)
@ -780,7 +780,7 @@ private:
    mutable EnvironmentCoordinate m_cache;
 };

-class GetCalleeAndThisFromEnvironment final : public Instruction {
+class JS_API GetCalleeAndThisFromEnvironment final : public Instruction {
 public:
    explicit GetCalleeAndThisFromEnvironment(Operand callee, Operand this_value, IdentifierTableIndex identifier)
        : Instruction(Type::GetCalleeAndThisFromEnvironment)
@ -809,7 +809,7 @@ private:
    mutable EnvironmentCoordinate m_cache;
 };

-class GetBinding final : public Instruction {
+class JS_API GetBinding final : public Instruction {
 public:
    explicit GetBinding(Operand dst, IdentifierTableIndex identifier)
        : Instruction(Type::GetBinding)
@ -835,7 +835,7 @@ private:
    mutable EnvironmentCoordinate m_cache;
 };

-class GetInitializedBinding final : public Instruction {
+class JS_API GetInitializedBinding final : public Instruction {
 public:
    explicit GetInitializedBinding(Operand dst, IdentifierTableIndex identifier)
        : Instruction(Type::GetInitializedBinding)
@ -861,7 +861,7 @@ private:
    mutable EnvironmentCoordinate m_cache;
 };

-class GetGlobal final : public Instruction {
+class JS_API GetGlobal final : public Instruction {
 public:
    GetGlobal(Operand dst, IdentifierTableIndex identifier, u32 cache_index)
        : Instruction(Type::GetGlobal)
@ -889,7 +889,7 @@ private:
    u32 m_cache_index { 0 };
 };

-class SetGlobal final : public Instruction {
+class JS_API SetGlobal final : public Instruction {
 public:
    SetGlobal(IdentifierTableIndex identifier, Operand src, u32 cache_index)
        : Instruction(Type::SetGlobal)
@ -917,7 +917,7 @@ private:
    u32 m_cache_index { 0 };
 };

-class DeleteVariable final : public Instruction {
+class JS_API DeleteVariable final : public Instruction {
 public:
    explicit DeleteVariable(Operand dst, IdentifierTableIndex identifier)
        : Instruction(Type::DeleteVariable)
@ -942,7 +942,7 @@ private:
    IdentifierTableIndex m_identifier;
 };

-class GetById final : public Instruction {
+class JS_API GetById final : public Instruction {
 public:
    GetById(Operand dst, Operand base, IdentifierTableIndex property, Optional<IdentifierTableIndex> base_identifier, u32 cache_index)
        : Instruction(Type::GetById)
@ -975,7 +975,7 @@ private:
    u32 m_cache_index { 0 };
 };

-class GetCompletionFields final : public Instruction {
+class JS_API GetCompletionFields final : public Instruction {
 public:
    GetCompletionFields(Operand type_dst, Operand value_dst, Operand completion)
        : Instruction(Type::GetCompletionFields)
@ -1004,7 +1004,7 @@ private:
    Operand m_completion;
 };

-class SetCompletionType final : public Instruction {
+class JS_API SetCompletionType final : public Instruction {
 public:
    SetCompletionType(Operand completion, Completion::Type type)
        : Instruction(Type::SetCompletionType)
@ -1027,7 +1027,7 @@ private:
    Completion::Type m_type;
 };

-class GetByIdWithThis final : public Instruction {
+class JS_API GetByIdWithThis final : public Instruction {
 public:
    GetByIdWithThis(Operand dst, Operand base, IdentifierTableIndex property, Operand this_value, u32 cache_index)
        : Instruction(Type::GetByIdWithThis)
@ -1062,7 +1062,7 @@ private:
    u32 m_cache_index { 0 };
 };

-class GetLength final : public Instruction {
+class JS_API GetLength final : public Instruction {
 public:
    GetLength(Operand dst, Operand base, Optional<IdentifierTableIndex> base_identifier, u32 cache_index)
        : Instruction(Type::GetLength)
@ -1092,7 +1092,7 @@ private:
    u32 m_cache_index { 0 };
 };

-class GetLengthWithThis final : public Instruction {
+class JS_API GetLengthWithThis final : public Instruction {
 public:
    GetLengthWithThis(Operand dst, Operand base, Operand this_value, u32 cache_index)
        : Instruction(Type::GetLengthWithThis)
@ -1124,7 +1124,7 @@ private:
    u32 m_cache_index { 0 };
 };

-class GetPrivateById final : public Instruction {
+class JS_API GetPrivateById final : public Instruction {
 public:
    explicit GetPrivateById(Operand dst, Operand base, IdentifierTableIndex property)
        : Instruction(Type::GetPrivateById)
@ -1152,7 +1152,7 @@ private:
    IdentifierTableIndex m_property;
 };

-class HasPrivateId final : public Instruction {
+class JS_API HasPrivateId final : public Instruction {
 public:
    HasPrivateId(Operand dst, Operand base, IdentifierTableIndex property)
        : Instruction(Type::HasPrivateId)
@ -1188,7 +1188,7 @@ enum class PropertyKind {
    ProtoSetter,
 };

-class PutBySpread final : public Instruction {
+class JS_API PutBySpread final : public Instruction {
 public:
    PutBySpread(Operand base, Operand src)
        : Instruction(Type::PutBySpread)
@ -1213,7 +1213,7 @@ private:
    Operand m_src;
 };

-class PutById final : public Instruction {
+class JS_API PutById final : public Instruction {
 public:
    explicit PutById(Operand base, IdentifierTableIndex property, Operand src, PropertyKind kind, u32 cache_index, Optional<IdentifierTableIndex> base_identifier = {})
        : Instruction(Type::PutById)
@ -1249,7 +1249,7 @@ private:
    Optional<IdentifierTableIndex> m_base_identifier {};
 };

-class PutByIdWithThis final : public Instruction {
+class JS_API PutByIdWithThis final : public Instruction {
 public:
    PutByIdWithThis(Operand base, Operand this_value, IdentifierTableIndex property, Operand src, PropertyKind kind, u32 cache_index)
        : Instruction(Type::PutByIdWithThis)
@ -1287,7 +1287,7 @@ private:
    u32 m_cache_index { 0 };
 };

-class PutPrivateById final : public Instruction {
+class JS_API PutPrivateById final : public Instruction {
 public:
    explicit PutPrivateById(Operand base, IdentifierTableIndex property, Operand src, PropertyKind kind = PropertyKind::KeyValue)
        : Instruction(Type::PutPrivateById)
@ -1317,7 +1317,7 @@ private:
    PropertyKind m_kind;
 };

-class DeleteById final : public Instruction {
+class JS_API DeleteById final : public Instruction {
 public:
    explicit DeleteById(Operand dst, Operand base, IdentifierTableIndex property)
        : Instruction(Type::DeleteById)
@ -1345,7 +1345,7 @@ private:
    IdentifierTableIndex m_property;
 };

-class DeleteByIdWithThis final : public Instruction {
+class JS_API DeleteByIdWithThis final : public Instruction {
 public:
    DeleteByIdWithThis(Operand dst, Operand base, Operand this_value, IdentifierTableIndex property)
        : Instruction(Type::DeleteByIdWithThis)
@ -1377,7 +1377,7 @@ private:
    IdentifierTableIndex m_property;
 };

-class GetByValue final : public Instruction {
+class JS_API GetByValue final : public Instruction {
 public:
    GetByValue(Operand dst, Operand base, Operand property, Optional<IdentifierTableIndex> base_identifier = {})
        : Instruction(Type::GetByValue)
@ -1408,7 +1408,7 @@ private:
    Optional<IdentifierTableIndex> m_base_identifier;
 };

-class GetByValueWithThis final : public Instruction {
+class JS_API GetByValueWithThis final : public Instruction {
 public:
    GetByValueWithThis(Operand dst, Operand base, Operand property, Operand this_value)
        : Instruction(Type::GetByValueWithThis)
@ -1441,7 +1441,7 @@ private:
    Operand m_this_value;
 };

-class PutByValue final : public Instruction {
+class JS_API PutByValue final : public Instruction {
 public:
    PutByValue(Operand base, Operand property, Operand src, PropertyKind kind = PropertyKind::KeyValue, Optional<IdentifierTableIndex> base_identifier = {})
        : Instruction(Type::PutByValue)
@ -1475,7 +1475,7 @@ private:
    Optional<IdentifierTableIndex> m_base_identifier;
 };

-class PutByValueWithThis final : public Instruction {
+class JS_API PutByValueWithThis final : public Instruction {
 public:
    PutByValueWithThis(Operand base, Operand property, Operand this_value, Operand src, PropertyKind kind = PropertyKind::KeyValue)
        : Instruction(Type::PutByValueWithThis)
@ -1511,7 +1511,7 @@ private:
    PropertyKind m_kind;
 };

-class DeleteByValue final : public Instruction {
+class JS_API DeleteByValue final : public Instruction {
 public:
    DeleteByValue(Operand dst, Operand base, Operand property)
        : Instruction(Type::DeleteByValue)
@ -1540,7 +1540,7 @@ private:
    Operand m_property;
 };

-class DeleteByValueWithThis final : public Instruction {
+class JS_API DeleteByValueWithThis final : public Instruction {
 public:
    DeleteByValueWithThis(Operand dst, Operand base, Operand this_value, Operand property)
        : Instruction(Type::DeleteByValueWithThis)
@ -1573,7 +1573,7 @@ private:
    Operand m_property;
 };

-class Jump final : public Instruction {
+class JS_API Jump final : public Instruction {
 public:
    constexpr static bool IsTerminator = true;

@ -1595,7 +1595,7 @@ protected:
    Label m_target;
 };

-class JumpIf final : public Instruction {
+class JS_API JumpIf final : public Instruction {
 public:
    constexpr static bool IsTerminator = true;

@ -1628,7 +1628,7 @@ private:
    Label m_false_target;
 };

-class JumpTrue final : public Instruction {
+class JS_API JumpTrue final : public Instruction {
 public:
    constexpr static bool IsTerminator = true;

@ -1657,7 +1657,7 @@ private:
    Label m_target;
 };

-class JumpFalse final : public Instruction {
+class JS_API JumpFalse final : public Instruction {
 public:
    constexpr static bool IsTerminator = true;

@ -1697,7 +1697,7 @@ private:
    X(StrictlyInequals, strict_inequals, !=)

 #define DECLARE_COMPARISON_OP(op_TitleCase, op_snake_case, numeric_operator)                         \
-    class Jump##op_TitleCase final : public Instruction {                                            \
+    class JS_API Jump##op_TitleCase final : public Instruction {                                     \
    public:                                                                                          \
        constexpr static bool IsTerminator = true;                                                   \
                                                                                                     \
@ -1737,7 +1737,7 @@ private:

 JS_ENUMERATE_COMPARISON_OPS(DECLARE_COMPARISON_OP)

-class JumpNullish final : public Instruction {
+class JS_API JumpNullish final : public Instruction {
 public:
    constexpr static bool IsTerminator = true;

@ -1770,7 +1770,7 @@ private:
    Label m_false_target;
 };

-class JumpUndefined final : public Instruction {
+class JS_API JumpUndefined final : public Instruction {
 public:
    constexpr static bool IsTerminator = true;

@ -1809,7 +1809,7 @@ enum class CallType : u8 {
    DirectEval,
 };

-class Call final : public Instruction {
+class JS_API Call final : public Instruction {
 public:
    static constexpr bool IsVariableLength = true;

@ -1858,7 +1858,7 @@ private:
    Operand m_arguments[];
 };

-class CallBuiltin final : public Instruction {
+class JS_API CallBuiltin final : public Instruction {
 public:
    static constexpr bool IsVariableLength = true;

@ -1911,7 +1911,7 @@ private:
    Operand m_arguments[];
 };

-class CallConstruct final : public Instruction {
+class JS_API CallConstruct final : public Instruction {
 public:
    static constexpr bool IsVariableLength = true;

@ -1956,7 +1956,7 @@ private:
    Operand m_arguments[];
 };

-class CallDirectEval final : public Instruction {
+class JS_API CallDirectEval final : public Instruction {
 public:
    static constexpr bool IsVariableLength = true;

@ -2005,7 +2005,7 @@ private:
    Operand m_arguments[];
 };

-class CallWithArgumentArray final : public Instruction {
+class JS_API CallWithArgumentArray final : public Instruction {
 public:
    CallWithArgumentArray(CallType type, Operand dst, Operand callee, Operand this_value, Operand arguments, Optional<StringTableIndex> expression_string = {})
        : Instruction(Type::CallWithArgumentArray)
@ -2044,7 +2044,7 @@ private:
    Optional<StringTableIndex> m_expression_string;
 };

-class SuperCallWithArgumentArray : public Instruction {
+class JS_API SuperCallWithArgumentArray : public Instruction {
 public:
    explicit SuperCallWithArgumentArray(Operand dst, Operand arguments, bool is_synthetic)
        : Instruction(Type::SuperCallWithArgumentArray)
@ -2072,7 +2072,7 @@ private:
    bool m_is_synthetic;
 };

-class NewClass final : public Instruction {
+class JS_API NewClass final : public Instruction {
 public:
    static constexpr bool IsVariableLength = true;

@ -2123,7 +2123,7 @@ private:
    Optional<Operand> m_element_keys[];
 };

-class NewFunction final : public Instruction {
+class JS_API NewFunction final : public Instruction {
 public:
    explicit NewFunction(Operand dst, FunctionNode const& function_node, Optional<IdentifierTableIndex> lhs_name, Optional<Operand> home_object = {})
        : Instruction(Type::NewFunction)
@ -2155,7 +2155,7 @@ private:
    Optional<Operand> m_home_object;
 };

-class BlockDeclarationInstantiation final : public Instruction {
+class JS_API BlockDeclarationInstantiation final : public Instruction {
 public:
    explicit BlockDeclarationInstantiation(ScopeNode const& scope_node)
        : Instruction(Type::BlockDeclarationInstantiation)
@ -2172,7 +2172,7 @@ private:
    ScopeNode const& m_scope_node;
 };

-class Return final : public Instruction {
+class JS_API Return final : public Instruction {
 public:
    constexpr static bool IsTerminator = true;

@ -2195,7 +2195,7 @@ private:
    Operand m_value;
 };

-class Increment final : public Instruction {
+class JS_API Increment final : public Instruction {
 public:
    explicit Increment(Operand dst)
        : Instruction(Type::Increment)
@ -2216,7 +2216,7 @@ private:
    Operand m_dst;
 };

-class PostfixIncrement final : public Instruction {
+class JS_API PostfixIncrement final : public Instruction {
 public:
    explicit PostfixIncrement(Operand dst, Operand src)
        : Instruction(Type::PostfixIncrement)
@ -2241,7 +2241,7 @@ private:
    Operand m_src;
 };

-class Decrement final : public Instruction {
+class JS_API Decrement final : public Instruction {
 public:
    explicit Decrement(Operand dst)
        : Instruction(Type::Decrement)
@ -2262,7 +2262,7 @@ private:
    Operand m_dst;
 };

-class PostfixDecrement final : public Instruction {
+class JS_API PostfixDecrement final : public Instruction {
 public:
    explicit PostfixDecrement(Operand dst, Operand src)
        : Instruction(Type::PostfixDecrement)
@ -2287,7 +2287,7 @@ private:
    Operand m_src;
 };

-class Throw final : public Instruction {
+class JS_API Throw final : public Instruction {
 public:
    constexpr static bool IsTerminator = true;

@ -2310,7 +2310,7 @@ private:
    Operand m_src;
 };

-class ThrowIfNotObject final : public Instruction {
+class JS_API ThrowIfNotObject final : public Instruction {
 public:
    ThrowIfNotObject(Operand src)
        : Instruction(Type::ThrowIfNotObject)
@ -2331,7 +2331,7 @@ private:
    Operand m_src;
 };

-class ThrowIfNullish final : public Instruction {
+class JS_API ThrowIfNullish final : public Instruction {
 public:
    explicit ThrowIfNullish(Operand src)
        : Instruction(Type::ThrowIfNullish)
@ -2352,7 +2352,7 @@ private:
    Operand m_src;
 };

-class ThrowIfTDZ final : public Instruction {
+class JS_API ThrowIfTDZ final : public Instruction {
 public:
    explicit ThrowIfTDZ(Operand src)
        : Instruction(Type::ThrowIfTDZ)
@ -2373,7 +2373,7 @@ private:
    Operand m_src;
 };

-class EnterUnwindContext final : public Instruction {
+class JS_API EnterUnwindContext final : public Instruction {
 public:
    constexpr static bool IsTerminator = true;

@ -2395,7 +2395,7 @@ private:
    Label m_entry_point;
 };

-class ScheduleJump final : public Instruction {
+class JS_API ScheduleJump final : public Instruction {
 public:
    // Note: We use this instruction to tell the next `finally` block to
    //       continue execution with a specific break/continue target;
@ -2419,7 +2419,7 @@ private:
    Label m_target;
 };

-class LeaveLexicalEnvironment final : public Instruction {
+class JS_API LeaveLexicalEnvironment final : public Instruction {
 public:
    LeaveLexicalEnvironment()
        : Instruction(Type::LeaveLexicalEnvironment)
@ -2430,7 +2430,7 @@ public:
    ByteString to_byte_string_impl(Bytecode::Executable const&) const;
 };

-class LeavePrivateEnvironment final : public Instruction {
+class JS_API LeavePrivateEnvironment final : public Instruction {
 public:
    LeavePrivateEnvironment()
        : Instruction(Type::LeavePrivateEnvironment)
@ -2441,7 +2441,7 @@ public:
    ByteString to_byte_string_impl(Bytecode::Executable const&) const;
 };

-class LeaveUnwindContext final : public Instruction {
+class JS_API LeaveUnwindContext final : public Instruction {
 public:
    LeaveUnwindContext()
        : Instruction(Type::LeaveUnwindContext)
@ -2452,7 +2452,7 @@ public:
    ByteString to_byte_string_impl(Bytecode::Executable const&) const;
 };

-class ContinuePendingUnwind final : public Instruction {
+class JS_API ContinuePendingUnwind final : public Instruction {
 public:
    constexpr static bool IsTerminator = true;

@ -2474,7 +2474,7 @@ private:
    Label m_resume_target;
 };

-class Yield final : public Instruction {
+class JS_API Yield final : public Instruction {
 public:
    constexpr static bool IsTerminator = true;

@ -2511,7 +2511,7 @@ private:
    Operand m_value;
 };

-class PrepareYield final : public Instruction {
+class JS_API PrepareYield final : public Instruction {
 public:
    explicit PrepareYield(Operand dest, Operand value)
        : Instruction(Type::PrepareYield)
@ -2536,7 +2536,7 @@ private:
    Operand m_value;
 };

-class Await final : public Instruction {
+class JS_API Await final : public Instruction {
 public:
    constexpr static bool IsTerminator = true;

@ -2566,7 +2566,7 @@ private:
    Operand m_argument;
 };

-class GetIterator final : public Instruction {
+class JS_API GetIterator final : public Instruction {
 public:
    GetIterator(Operand dst, Operand iterable, IteratorHint hint = IteratorHint::Sync)
        : Instruction(Type::GetIterator)
@ -2594,7 +2594,7 @@ private:
    IteratorHint m_hint { IteratorHint::Sync };
 };

-class GetObjectFromIteratorRecord final : public Instruction {
+class JS_API GetObjectFromIteratorRecord final : public Instruction {
 public:
    GetObjectFromIteratorRecord(Operand object, Operand iterator_record)
        : Instruction(Type::GetObjectFromIteratorRecord)
@ -2619,7 +2619,7 @@ private:
    Operand m_iterator_record;
 };

-class GetNextMethodFromIteratorRecord final : public Instruction {
+class JS_API GetNextMethodFromIteratorRecord final : public Instruction {
 public:
    GetNextMethodFromIteratorRecord(Operand next_method, Operand iterator_record)
        : Instruction(Type::GetNextMethodFromIteratorRecord)
@ -2644,7 +2644,7 @@ private:
    Operand m_iterator_record;
 };

-class GetMethod final : public Instruction {
+class JS_API GetMethod final : public Instruction {
 public:
    GetMethod(Operand dst, Operand object, IdentifierTableIndex property)
        : Instruction(Type::GetMethod)
@ -2672,7 +2672,7 @@ private:
    IdentifierTableIndex m_property;
 };

-class GetObjectPropertyIterator final : public Instruction {
+class JS_API GetObjectPropertyIterator final : public Instruction {
 public:
    GetObjectPropertyIterator(Operand dst, Operand object)
        : Instruction(Type::GetObjectPropertyIterator)
@ -2697,7 +2697,7 @@ private:
    Operand m_object;
 };

-class IteratorClose final : public Instruction {
+class JS_API IteratorClose final : public Instruction {
 public:
    IteratorClose(Operand iterator_record, Completion::Type completion_type, Optional<Value> completion_value)
        : Instruction(Type::IteratorClose)
@ -2724,7 +2724,7 @@ private:
    Optional<Value> m_completion_value;
 };

-class AsyncIteratorClose final : public Instruction {
+class JS_API AsyncIteratorClose final : public Instruction {
 public:
    AsyncIteratorClose(Operand iterator_record, Completion::Type completion_type, Optional<Value> completion_value)
        : Instruction(Type::AsyncIteratorClose)
@ -2751,7 +2751,7 @@ private:
    Optional<Value> m_completion_value;
 };

-class IteratorNext final : public Instruction {
+class JS_API IteratorNext final : public Instruction {
 public:
    IteratorNext(Operand dst, Operand iterator_record)
        : Instruction(Type::IteratorNext)
@ -2776,7 +2776,7 @@ private:
    Operand m_iterator_record;
 };

-class IteratorNextUnpack final : public Instruction {
+class JS_API IteratorNextUnpack final : public Instruction {
 public:
    IteratorNextUnpack(Operand dst_value, Operand dst_done, Operand iterator_record)
        : Instruction(Type::IteratorNextUnpack)
@ -2805,7 +2805,7 @@ private:
    Operand m_iterator_record;
 };

-class ResolveThisBinding final : public Instruction {
+class JS_API ResolveThisBinding final : public Instruction {
 public:
    ResolveThisBinding()
        : Instruction(Type::ResolveThisBinding)
@ -2817,7 +2817,7 @@ public:
    void visit_operands_impl(Function<void(Operand&)>) { }
 };

-class ResolveSuperBase final : public Instruction {
+class JS_API ResolveSuperBase final : public Instruction {
 public:
    explicit ResolveSuperBase(Operand dst)
        : Instruction(Type::ResolveSuperBase)
@ -2838,7 +2838,7 @@ private:
    Operand m_dst;
 };

-class GetNewTarget final : public Instruction {
+class JS_API GetNewTarget final : public Instruction {
 public:
    explicit GetNewTarget(Operand dst)
        : Instruction(Type::GetNewTarget)
@ -2859,7 +2859,7 @@ private:
    Operand m_dst;
 };

-class GetImportMeta final : public Instruction {
+class JS_API GetImportMeta final : public Instruction {
 public:
    explicit GetImportMeta(Operand dst)
        : Instruction(Type::GetImportMeta)
@ -2880,7 +2880,7 @@ private:
    Operand m_dst;
 };

-class TypeofBinding final : public Instruction {
+class JS_API TypeofBinding final : public Instruction {
 public:
    TypeofBinding(Operand dst, IdentifierTableIndex identifier)
        : Instruction(Type::TypeofBinding)
@ -2905,7 +2905,7 @@ private:
    mutable EnvironmentCoordinate m_cache;
 };

-class End final : public Instruction {
+class JS_API End final : public Instruction {
 public:
    constexpr static bool IsTerminator = true;

@ -2927,7 +2927,7 @@ private:
    Operand m_value;
 };

-class Dump final : public Instruction {
+class JS_API Dump final : public Instruction {
 public:
    explicit Dump(StringView text, Operand value)
        : Instruction(Type::Dump)
--- a/Libraries/LibJS/Bytecode/Operand.h
+++ b/Libraries/LibJS/Bytecode/Operand.h
@ -11,7 +11,7 @@

 namespace JS::Bytecode {

-class Operand {
+class JS_API Operand {
 public:
    enum class Type
 #if ARCH(AARCH64)
--- a/Libraries/LibJS/Bytecode/RegexTable.h
+++ b/Libraries/LibJS/Bytecode/RegexTable.h
@ -9,6 +9,7 @@
 #include <AK/DistinctNumeric.h>
 #include <AK/String.h>
 #include <AK/Vector.h>
+#include <LibJS/Forward.h>
 #include <LibRegex/RegexParser.h>

 namespace JS::Bytecode {
@ -21,7 +22,7 @@ struct ParsedRegex {
    regex::RegexOptions<ECMAScriptFlags> flags;
 };

-class RegexTable {
+class JS_API RegexTable {
    AK_MAKE_NONMOVABLE(RegexTable);
    AK_MAKE_NONCOPYABLE(RegexTable);

--- a/Libraries/LibJS/Bytecode/Register.h
+++ b/Libraries/LibJS/Bytecode/Register.h
@ -7,10 +7,11 @@
 #pragma once

 #include <AK/Format.h>
+#include <LibJS/Forward.h>

 namespace JS::Bytecode {

-class Register {
+class JS_API Register {
 public:
    constexpr static u32 accumulator_index = 0;

--- a/Libraries/LibJS/Bytecode/ScopedOperand.h
+++ b/Libraries/LibJS/Bytecode/ScopedOperand.h
@ -11,7 +11,7 @@

 namespace JS::Bytecode {

-class ScopedOperandImpl : public RefCounted<ScopedOperandImpl> {
+class JS_API ScopedOperandImpl : public RefCounted<ScopedOperandImpl> {
 public:
    ScopedOperandImpl(Generator& generator, Operand operand)
        : m_generator(generator)
@ -29,7 +29,7 @@ private:
    Operand m_operand;
 };

-class ScopedOperand {
+class JS_API ScopedOperand {
 public:
    explicit ScopedOperand(Generator& generator, Operand operand)
        : m_impl(adopt_ref(*new ScopedOperandImpl(generator, operand)))
--- a/Libraries/LibJS/Bytecode/StringTable.h
+++ b/Libraries/LibJS/Bytecode/StringTable.h
@ -9,6 +9,7 @@
 #include <AK/DistinctNumeric.h>
 #include <AK/String.h>
 #include <AK/Vector.h>
+#include <LibJS/Forward.h>

 namespace JS::Bytecode {

@ -18,7 +19,7 @@ struct StringTableIndex {
    u32 value { 0 };
 };

-class StringTable {
+class JS_API StringTable {
    AK_MAKE_NONMOVABLE(StringTable);
    AK_MAKE_NONCOPYABLE(StringTable);