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explicit conversion and loosening of binary operations on integer and fixed point types...still other problems

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fixed some spaces and deleted lines from failing test
This commit is contained in:
VoR0220 2016-05-13 00:38:41 -05:00
parent 3ba308fb2e
commit 6289410152
2 changed files with 12 additions and 26 deletions
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29
libsolidity/ast/Types.cpp
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@ -274,18 +274,8 @@ bool IntegerType::isImplicitlyConvertibleTo(Type const& _convertTo) const
else if (_convertTo.category() == Category::FixedPoint) else if (_convertTo.category() == Category::FixedPoint)
{ {
FixedPointType const& convertTo = dynamic_cast<FixedPointType const&>(_convertTo); FixedPointType const& convertTo = dynamic_cast<FixedPointType const&>(_convertTo);
cout << endl;
cout << "Integer bits: " << m_bits << endl;
cout << "Fraction integer bits: " << convertTo.integerBits() << endl;
cout << "Integer signed: " << isSigned() << endl;
cout << "Fractional signed: " << convertTo.isSigned() << endl;
cout << "Unsigned convert?: " << bool(!convertTo.isSigned() || convertTo.integerBits() > m_bits) << endl;
cout << endl;
if (convertTo.integerBits() < m_bits || isAddress()) if (convertTo.integerBits() < m_bits || isAddress())
{
cout << "problem with the integer bits" << endl;
return false; return false;
}
else if (isSigned()) else if (isSigned())
return convertTo.isSigned(); return convertTo.isSigned();
else else
@ -300,7 +290,8 @@ bool IntegerType::isExplicitlyConvertibleTo(Type const& _convertTo) const
return _convertTo.category() == category() || return _convertTo.category() == category() ||
_convertTo.category() == Category::Contract || _convertTo.category() == Category::Contract ||
_convertTo.category() == Category::Enum || _convertTo.category() == Category::Enum ||
_convertTo.category() == Category::FixedBytes; _convertTo.category() == Category::FixedBytes ||
_convertTo.category() == Category::FixedPoint;
} }
TypePointer IntegerType::unaryOperatorResult(Token::Value _operator) const TypePointer IntegerType::unaryOperatorResult(Token::Value _operator) const
@ -344,22 +335,18 @@ TypePointer IntegerType::binaryOperatorResult(Token::Value _operator, TypePointe
_other->category() != category() _other->category() != category()
) )
return TypePointer(); return TypePointer();
auto commonType = dynamic_pointer_cast<IntegerType const>(Type::commonType(shared_from_this(), _other)); auto commonType = Type::commonType(shared_from_this(), _other); //might be a integer or fixed point
if (!commonType) if (!commonType)
{
cout << "Not common type" << endl;
return TypePointer(); return TypePointer();
}
cout << "Integer binary operator: " << commonType->toString(false) << endl;
cout << "Token: " << string(Token::toString(_operator)) << endl;
// All integer types can be compared // All integer types can be compared
if (Token::isCompareOp(_operator)) if (Token::isCompareOp(_operator))
return commonType; return commonType;
if (Token::isBooleanOp(_operator)) if (Token::isBooleanOp(_operator))
return TypePointer(); return TypePointer();
// Nothing else can be done with addresses // Nothing else can be done with addresses
if (commonType->isAddress()) if (auto intType = dynamic_pointer_cast<IntegerType const>(commonType))
if (intType->isAddress())
return TypePointer(); return TypePointer();
return commonType; return commonType;
@ -404,7 +391,6 @@ bool FixedPointType::isImplicitlyConvertibleTo(Type const& _convertTo) const
else else
return !convertTo.isSigned() || (convertTo.m_integerBits > m_integerBits); return !convertTo.isSigned() || (convertTo.m_integerBits > m_integerBits);
} }
return false; return false;
} }
@ -455,7 +441,7 @@ TypePointer FixedPointType::binaryOperatorResult(Token::Value _operator, TypePoi
&& _other->category() != Category::Integer && _other->category() != Category::Integer
) )
return TypePointer(); return TypePointer();
auto commonType = dynamic_pointer_cast<FixedPointType const>(Type::commonType(shared_from_this(), _other)); auto commonType = Type::commonType(shared_from_this(), _other); //might be fixed point or integer
if (!commonType) if (!commonType)
return TypePointer(); return TypePointer();
@ -465,6 +451,7 @@ TypePointer FixedPointType::binaryOperatorResult(Token::Value _operator, TypePoi
return commonType; return commonType;
if (Token::isBitOp(_operator) || Token::isBooleanOp(_operator)) if (Token::isBitOp(_operator) || Token::isBooleanOp(_operator))
return TypePointer(); return TypePointer();
if (auto fixType = dynamic_pointer_cast<FixedPointType const>(commonType))
if (Token::Exp == _operator) if (Token::Exp == _operator)
return TypePointer(); return TypePointer();
return commonType; return commonType;

3
test/libsolidity/SolidityNameAndTypeResolution.cpp
View File

@ -3688,8 +3688,7 @@ BOOST_AUTO_TEST_CASE(integer_and_fixed_interaction)
char const* text = R"( char const* text = R"(
contract test { contract test {
function f() { function f() {
uint128 a = uint128(1) + ufixed(2); ufixed a = uint128(1) + ufixed(2);
ufixed b = .5 * uint128(7);
} }
} }
)"; )";