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Yul codegen for immutables.

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chriseth
2020-05-04 15:00:50 +02:00
parent debcc8c056
commit 51ccb1519f
11 changed files with 166 additions and 31 deletions
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libsolidity/codegen/ir/IRGenerationContext.h
+17
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@@ -81,6 +81,17 @@ public:
bool isLocalVariable(VariableDeclaration const& _varDecl) const { return m_localVariables.count(&_varDecl); }
IRVariable const& localVariable(VariableDeclaration const& _varDecl);
/// Registers an immutable variable of the contract.
/// Should only be called at construction time.
void registerImmutableVariable(VariableDeclaration const& _varDecl);
/// @returns the reserved memory for storing the value of the
/// immutable @a _variable during contract creation.
size_t immutableMemoryOffset(VariableDeclaration const& _variable) const;
/// @returns the reserved memory and resets it to mark it as used.
/// Intended to be used only once for initializing the free memory pointer
/// to after the area used for immutables.
size_t reservedMemory();
void addStateVariable(VariableDeclaration const& _varDecl, u256 _storageOffset, unsigned _byteOffset);
bool isStateVariable(VariableDeclaration const& _varDecl) const { return m_stateVariables.count(&_varDecl); }
std::pair<u256, unsigned> storageLocationOfVariable(VariableDeclaration const& _varDecl) const
@@ -123,6 +134,12 @@ private:
OptimiserSettings m_optimiserSettings;
ContractDefinition const* m_mostDerivedContract = nullptr;
std::map<VariableDeclaration const*, IRVariable> m_localVariables;
/// Memory offsets reserved for the values of immutable variables during contract creation.
/// This map is empty in the runtime context.
std::map<VariableDeclaration const*, size_t> m_immutableVariables;
/// Total amount of reserved memory. Reserved memory is used to store
/// immutable variables during contract creation.
std::optional<size_t> m_reservedMemory = {0};
/// Storage offsets of state variables
std::map<VariableDeclaration const*, std::pair<u256, unsigned>> m_stateVariables;
MultiUseYulFunctionCollector m_functions;