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https://github.com/RGBCube/serenity
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LibRegex: Avoid initialization checks in get_opcode_by_id()
This commit is contained in:
Gunnar Beutner
Ali Mohammad Pur
parent
794dc368f1
commit
d3c2a3caea
2 changed files with 67 additions and 127 deletions
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@ -129,7 +129,11 @@ class OpCode;
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class ByteCode : public Vector<ByteCodeValueType> {
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public:
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ByteCode() = default;
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ByteCode()
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{
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ensure_opcodes_initialized();
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}
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ByteCode(const ByteCode&) = default;
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virtual ~ByteCode() = default;
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@ -449,6 +453,7 @@ private:
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empend((ByteCodeValueType)view[i]);
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}
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void ensure_opcodes_initialized();
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ALWAYS_INLINE OpCode& get_opcode_by_id(OpCodeId id) const;
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static OwnPtr<OpCode> s_opcodes[(size_t)OpCodeId::Last + 1];
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static bool s_opcodes_initialized;
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@ -476,11 +481,7 @@ const char* execution_result_name(ExecutionResult result);
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class OpCode {
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public:
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OpCode(ByteCode& bytecode)
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: m_bytecode(&bytecode)
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{
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}
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OpCode() = default;
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virtual ~OpCode() = default;
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virtual OpCodeId opcode_id() const = 0;
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@ -518,16 +519,12 @@ public:
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ALWAYS_INLINE const ByteCode& bytecode() const { return *m_bytecode; }
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protected:
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ByteCode* m_bytecode;
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ByteCode* m_bytecode { nullptr };
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Optional<MatchState*> m_state;
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};
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class OpCode_Exit final : public OpCode {
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public:
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OpCode_Exit(ByteCode& bytecode)
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: OpCode(bytecode)
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{
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}
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ExecutionResult execute(const MatchInput& input, MatchState& state, MatchOutput& output) const override;
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ALWAYS_INLINE OpCodeId opcode_id() const override { return OpCodeId::Exit; }
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ALWAYS_INLINE size_t size() const override { return 1; }
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@ -536,10 +533,6 @@ public:
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class OpCode_FailForks final : public OpCode {
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public:
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OpCode_FailForks(ByteCode& bytecode)
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: OpCode(bytecode)
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{
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}
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ExecutionResult execute(const MatchInput& input, MatchState& state, MatchOutput& output) const override;
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ALWAYS_INLINE OpCodeId opcode_id() const override { return OpCodeId::FailForks; }
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ALWAYS_INLINE size_t size() const override { return 2; }
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@ -549,10 +542,6 @@ public:
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class OpCode_Save final : public OpCode {
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public:
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OpCode_Save(ByteCode& bytecode)
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: OpCode(bytecode)
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{
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}
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ExecutionResult execute(const MatchInput& input, MatchState& state, MatchOutput& output) const override;
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ALWAYS_INLINE OpCodeId opcode_id() const override { return OpCodeId::Save; }
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ALWAYS_INLINE size_t size() const override { return 1; }
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@ -561,10 +550,6 @@ public:
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class OpCode_Restore final : public OpCode {
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public:
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OpCode_Restore(ByteCode& bytecode)
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: OpCode(bytecode)
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{
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}
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ExecutionResult execute(const MatchInput& input, MatchState& state, MatchOutput& output) const override;
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ALWAYS_INLINE OpCodeId opcode_id() const override { return OpCodeId::Restore; }
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ALWAYS_INLINE size_t size() const override { return 1; }
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@ -573,10 +558,6 @@ public:
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class OpCode_GoBack final : public OpCode {
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public:
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OpCode_GoBack(ByteCode& bytecode)
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: OpCode(bytecode)
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{
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}
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ExecutionResult execute(const MatchInput& input, MatchState& state, MatchOutput& output) const override;
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ALWAYS_INLINE OpCodeId opcode_id() const override { return OpCodeId::GoBack; }
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ALWAYS_INLINE size_t size() const override { return 2; }
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@ -586,10 +567,6 @@ public:
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class OpCode_Jump final : public OpCode {
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public:
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OpCode_Jump(ByteCode& bytecode)
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: OpCode(bytecode)
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{
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}
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ExecutionResult execute(const MatchInput& input, MatchState& state, MatchOutput& output) const override;
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ALWAYS_INLINE OpCodeId opcode_id() const override { return OpCodeId::Jump; }
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ALWAYS_INLINE size_t size() const override { return 2; }
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@ -602,10 +579,6 @@ public:
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class OpCode_ForkJump final : public OpCode {
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public:
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OpCode_ForkJump(ByteCode& bytecode)
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: OpCode(bytecode)
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{
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}
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ExecutionResult execute(const MatchInput& input, MatchState& state, MatchOutput& output) const override;
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ALWAYS_INLINE OpCodeId opcode_id() const override { return OpCodeId::ForkJump; }
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ALWAYS_INLINE size_t size() const override { return 2; }
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@ -618,10 +591,6 @@ public:
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class OpCode_ForkStay final : public OpCode {
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public:
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OpCode_ForkStay(ByteCode& bytecode)
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: OpCode(bytecode)
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{
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}
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ExecutionResult execute(const MatchInput& input, MatchState& state, MatchOutput& output) const override;
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ALWAYS_INLINE OpCodeId opcode_id() const override { return OpCodeId::ForkStay; }
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ALWAYS_INLINE size_t size() const override { return 2; }
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@ -634,10 +603,6 @@ public:
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class OpCode_CheckBegin final : public OpCode {
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public:
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OpCode_CheckBegin(ByteCode& bytecode)
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: OpCode(bytecode)
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{
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}
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ExecutionResult execute(const MatchInput& input, MatchState& state, MatchOutput& output) const override;
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ALWAYS_INLINE OpCodeId opcode_id() const override { return OpCodeId::CheckBegin; }
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ALWAYS_INLINE size_t size() const override { return 1; }
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@ -646,10 +611,6 @@ public:
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class OpCode_CheckEnd final : public OpCode {
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public:
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OpCode_CheckEnd(ByteCode& bytecode)
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: OpCode(bytecode)
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{
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}
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ExecutionResult execute(const MatchInput& input, MatchState& state, MatchOutput& output) const override;
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ALWAYS_INLINE OpCodeId opcode_id() const override { return OpCodeId::CheckEnd; }
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ALWAYS_INLINE size_t size() const override { return 1; }
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@ -658,10 +619,6 @@ public:
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class OpCode_CheckBoundary final : public OpCode {
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public:
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OpCode_CheckBoundary(ByteCode& bytecode)
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: OpCode(bytecode)
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{
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}
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ExecutionResult execute(const MatchInput& input, MatchState& state, MatchOutput& output) const override;
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ALWAYS_INLINE OpCodeId opcode_id() const override { return OpCodeId::CheckBoundary; }
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ALWAYS_INLINE size_t size() const override { return 2; }
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@ -672,10 +629,6 @@ public:
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class OpCode_SaveLeftCaptureGroup final : public OpCode {
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public:
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OpCode_SaveLeftCaptureGroup(ByteCode& bytecode)
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: OpCode(bytecode)
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{
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}
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ExecutionResult execute(const MatchInput& input, MatchState& state, MatchOutput& output) const override;
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ALWAYS_INLINE OpCodeId opcode_id() const override { return OpCodeId::SaveLeftCaptureGroup; }
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ALWAYS_INLINE size_t size() const override { return 2; }
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@ -685,10 +638,6 @@ public:
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class OpCode_SaveRightCaptureGroup final : public OpCode {
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public:
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OpCode_SaveRightCaptureGroup(ByteCode& bytecode)
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: OpCode(bytecode)
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{
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}
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ExecutionResult execute(const MatchInput& input, MatchState& state, MatchOutput& output) const override;
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ALWAYS_INLINE OpCodeId opcode_id() const override { return OpCodeId::SaveRightCaptureGroup; }
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ALWAYS_INLINE size_t size() const override { return 2; }
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@ -698,10 +647,6 @@ public:
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class OpCode_SaveLeftNamedCaptureGroup final : public OpCode {
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public:
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OpCode_SaveLeftNamedCaptureGroup(ByteCode& bytecode)
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: OpCode(bytecode)
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{
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}
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ExecutionResult execute(const MatchInput& input, MatchState& state, MatchOutput& output) const override;
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ALWAYS_INLINE OpCodeId opcode_id() const override { return OpCodeId::SaveLeftNamedCaptureGroup; }
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ALWAYS_INLINE size_t size() const override { return 3; }
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@ -715,10 +660,6 @@ public:
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class OpCode_SaveRightNamedCaptureGroup final : public OpCode {
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public:
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OpCode_SaveRightNamedCaptureGroup(ByteCode& bytecode)
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: OpCode(bytecode)
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{
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}
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ExecutionResult execute(const MatchInput& input, MatchState& state, MatchOutput& output) const override;
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ALWAYS_INLINE OpCodeId opcode_id() const override { return OpCodeId::SaveRightNamedCaptureGroup; }
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ALWAYS_INLINE size_t size() const override { return 3; }
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@ -732,10 +673,6 @@ public:
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class OpCode_Compare final : public OpCode {
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public:
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OpCode_Compare(ByteCode& bytecode)
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: OpCode(bytecode)
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{
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}
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ExecutionResult execute(const MatchInput& input, MatchState& state, MatchOutput& output) const override;
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ALWAYS_INLINE OpCodeId opcode_id() const override { return OpCodeId::Compare; }
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ALWAYS_INLINE size_t size() const override { return arguments_size() + 3; }
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