diff options
Diffstat (limited to 'libevmasm/ConstantOptimiser.h')
| -rw-r--r-- | libevmasm/ConstantOptimiser.h | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/libevmasm/ConstantOptimiser.h b/libevmasm/ConstantOptimiser.h index 85bdabac..82982e25 100644 --- a/libevmasm/ConstantOptimiser.h +++ b/libevmasm/ConstantOptimiser.h @@ -63,11 +63,11 @@ public: explicit ConstantOptimisationMethod(Params const& _params, u256 const& _value): m_params(_params), m_value(_value) {} - virtual bigint gasNeeded() = 0; + virtual bigint gasNeeded() const = 0; /// Executes the method, potentially appending to the assembly and returns a vector of /// assembly items the constant should be relpaced with in one sweep. /// If the vector is empty, the constants will not be deleted. - virtual AssemblyItems execute(Assembly& _assembly) = 0; + virtual AssemblyItems execute(Assembly& _assembly) const = 0; protected: size_t dataSize() const { return std::max<size_t>(1, dev::bytesRequired(m_value)); } @@ -84,7 +84,7 @@ protected: bigint const& _runGas, bigint const& _repeatedDataGas, bigint const& _uniqueDataGas - ) + ) const { // _runGas is not multiplied by _multiplicity because the runs are "per opcode" return m_params.runs * _runGas + m_params.multiplicity * _repeatedDataGas + _uniqueDataGas; @@ -106,8 +106,8 @@ class LiteralMethod: public ConstantOptimisationMethod public: explicit LiteralMethod(Params const& _params, u256 const& _value): ConstantOptimisationMethod(_params, _value) {} - virtual bigint gasNeeded() override; - virtual AssemblyItems execute(Assembly&) override { return AssemblyItems{}; } + virtual bigint gasNeeded() const override; + virtual AssemblyItems execute(Assembly&) const override { return AssemblyItems{}; } }; /** @@ -117,11 +117,11 @@ class CodeCopyMethod: public ConstantOptimisationMethod { public: explicit CodeCopyMethod(Params const& _params, u256 const& _value); - virtual bigint gasNeeded() override; - virtual AssemblyItems execute(Assembly& _assembly) override; + virtual bigint gasNeeded() const override; + virtual AssemblyItems execute(Assembly& _assembly) const override; protected: - AssemblyItems const& copyRoutine() const; + static AssemblyItems const& copyRoutine(); }; /** @@ -141,8 +141,8 @@ public: ); } - virtual bigint gasNeeded() override { return gasNeeded(m_routine); } - virtual AssemblyItems execute(Assembly&) override + virtual bigint gasNeeded() const override { return gasNeeded(m_routine); } + virtual AssemblyItems execute(Assembly&) const override { return m_routine; } @@ -151,8 +151,8 @@ protected: /// Tries to recursively find a way to compute @a _value. AssemblyItems findRepresentation(u256 const& _value); /// Recomputes the value from the calculated representation and checks for correctness. - bool checkRepresentation(u256 const& _value, AssemblyItems const& _routine); - bigint gasNeeded(AssemblyItems const& _routine); + static bool checkRepresentation(u256 const& _value, AssemblyItems const& _routine); + bigint gasNeeded(AssemblyItems const& _routine) const; /// Counter for the complexity of optimization, will stop when it reaches zero. size_t m_maxSteps = 10000; |