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https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
- style fixes
- added test for uint8 = -1 which doesn't fail; todo: fix that
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parent
382ac85aa5
commit
89aab7e234
15
AST.cpp
15
AST.cpp
@ -686,14 +686,13 @@ void Expression::expectType(Type const& _expectedType)
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checkTypeRequirements(nullptr);
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Type const& type = *getType();
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if (!type.isImplicitlyConvertibleTo(_expectedType))
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BOOST_THROW_EXCEPTION(
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createTypeError(
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"Type " +
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type.toString() +
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" is not implicitly convertible to expected type " +
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_expectedType.toString() +
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"."
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)
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BOOST_THROW_EXCEPTION(createTypeError(
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"Type " +
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type.toString() +
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" is not implicitly convertible to expected type " +
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_expectedType.toString() +
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"."
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)
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);
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}
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11
Types.cpp
11
Types.cpp
@ -361,22 +361,21 @@ IntegerConstantType::IntegerConstantType(Literal const& _literal)
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bool IntegerConstantType::isImplicitlyConvertibleTo(Type const& _convertTo) const
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{
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if (IntegerType const* integerType = dynamic_cast<IntegerType const*>(&_convertTo))
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if (auto targetType = dynamic_cast<IntegerType const*>(&_convertTo))
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{
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if (m_value == 0)
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return true;
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int forSignBit = (integerType->isSigned() ? 1 : 0);
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int forSignBit = (targetType->isSigned() ? 1 : 0);
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if (m_value > 0)
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{
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if (m_value <= (u256(-1) >> (256 - integerType->getNumBits() + forSignBit)))
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if (m_value <= (u256(-1) >> (256 - targetType->getNumBits() + forSignBit)))
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return true;
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}
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else if (-m_value <= (u256(1) << (integerType->getNumBits() - forSignBit)))
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else if (-m_value <= (u256(1) << (targetType->getNumBits() - forSignBit)))
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return true;
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return false;
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}
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else
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if (_convertTo.getCategory() == Category::FixedBytes)
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else if (_convertTo.getCategory() == Category::FixedBytes)
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{
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FixedBytesType const& fixedBytes = dynamic_cast<FixedBytesType const&>(_convertTo);
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return fixedBytes.getNumBytes() * 8 >= getIntegerType()->getNumBits();
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