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Activating bytes to bytesNN for legacy codegen by calling yul util function.

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This commit is contained in:
Djordje Mijovic 2021-03-04 10:26:34 +01:00
parent 52538558b1
commit cbb7e53b22
1 changed files with 47 additions and 2 deletions
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49
libsolidity/codegen/CompilerUtils.cpp
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@ -961,8 +961,31 @@ void CompilerUtils::convertType(
}
case Type::Category::Array:
{
solAssert(targetTypeCategory == stackTypeCategory, "");
auto const& typeOnStack = dynamic_cast<ArrayType const&>(_typeOnStack);
if (_targetType.category() == Type::Category::FixedBytes)
{
solAssert(
typeOnStack.isByteArray() && !typeOnStack.isString(),
"Array types other than bytes not convertible to bytesNN."
);
solAssert(typeOnStack.isDynamicallySized(), "");
bool fromCalldata = typeOnStack.dataStoredIn(DataLocation::CallData);
solAssert(typeOnStack.sizeOnStack() == (fromCalldata ? 2 : 1), "");
if (fromCalldata)
m_context << Instruction::SWAP1;
m_context.callYulFunction(
m_context.utilFunctions().bytesToFixedBytesConversionFunction(
typeOnStack,
dynamic_cast<FixedBytesType const &>(_targetType)
),
typeOnStack.sizeOnStack(),
1
);
break;
}
solAssert(targetTypeCategory == stackTypeCategory, "");
auto const& targetType = dynamic_cast<ArrayType const&>(_targetType);
switch (targetType.location())
{
@ -1066,8 +1089,30 @@ void CompilerUtils::convertType(
}
case Type::Category::ArraySlice:
{
solAssert(_targetType.category() == Type::Category::Array, "");
auto& typeOnStack = dynamic_cast<ArraySliceType const&>(_typeOnStack);
if (_targetType.category() == Type::Category::FixedBytes)
{
solAssert(
typeOnStack.arrayType().isByteArray() && !typeOnStack.arrayType().isString(),
"Array types other than bytes not convertible to bytesNN."
);
solAssert(typeOnStack.isDynamicallySized(), "");
solAssert(typeOnStack.dataStoredIn(DataLocation::CallData), "");
solAssert(typeOnStack.sizeOnStack() == 2, "");
m_context << Instruction::SWAP1;
m_context.callYulFunction(
m_context.utilFunctions().bytesToFixedBytesConversionFunction(
typeOnStack.arrayType(),
dynamic_cast<FixedBytesType const &>(_targetType)
),
2,
1
);
break;
}
solAssert(_targetType.category() == Type::Category::Array, "");
auto const& targetArrayType = dynamic_cast<ArrayType const&>(_targetType);
solAssert(typeOnStack.arrayType().isImplicitlyConvertibleTo(targetArrayType), "");
solAssert(