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[Sol->Yul] Implementing copying dynamically encoded structs from calldata to memory

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Co-authored-by: Leonardo <leo@ethereum.org>
This commit is contained in:
Djordje Mijovic
2020-11-23 23:22:34 +01:00
co-authored by Leonardo
parent 61425e3541
commit eea6513b5d
7 changed files with 159 additions and 8 deletions
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libsolidity/codegen/ABIFunctions.h
+5 -2
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@@ -170,6 +170,11 @@ public:
/// signature: (dataOffset, length, dataEnd) -> decodedArray
std::string abiDecodingFunctionArrayAvailableLength(ArrayType const& _type, bool _fromMemory);
/// Internal decoding function that is also used by some copying routines.
/// @returns the name of a function that decodes structs.
/// signature: (dataStart, dataEnd) -> decodedStruct
std::string abiDecodingFunctionStruct(StructType const& _type, bool _fromMemory);
private:
/// Part of @a abiEncodingFunction for array target type and given calldata array.
/// Uses calldatacopy and does not perform cleanup or validation and can therefore only
@@ -245,8 +250,6 @@ private:
std::string abiDecodingFunctionCalldataStruct(StructType const& _type);
/// Part of @a abiDecodingFunction for array types.
std::string abiDecodingFunctionFunctionType(FunctionType const& _type, bool _fromMemory, bool _forUseOnStack);
/// Part of @a abiDecodingFunction for struct types.
std::string abiDecodingFunctionStruct(StructType const& _type, bool _fromMemory);
/// @returns the name of a function that retrieves an element from calldata.
std::string calldataAccessFunction(Type const& _type);