diff options
Diffstat (limited to 'libsolidity/codegen/CompilerUtils.cpp')
-rw-r--r-- | libsolidity/codegen/CompilerUtils.cpp | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/libsolidity/codegen/CompilerUtils.cpp b/libsolidity/codegen/CompilerUtils.cpp index 36ed480e..a2c44cd3 100644 --- a/libsolidity/codegen/CompilerUtils.cpp +++ b/libsolidity/codegen/CompilerUtils.cpp @@ -345,10 +345,11 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp break; case Type::Category::Integer: case Type::Category::Contract: - case Type::Category::IntegerConstant: + case Type::Category::NumberConstant: + case Type::Category::FixedPoint: if (targetTypeCategory == Type::Category::FixedBytes) { - solAssert(stackTypeCategory == Type::Category::Integer || stackTypeCategory == Type::Category::IntegerConstant, + solAssert(stackTypeCategory == Type::Category::Integer || stackTypeCategory == Type::Category::NumberConstant, "Invalid conversion to FixedBytesType requested."); // conversion from bytes to string. no need to clean the high bit // only to shift left because of opposite alignment @@ -361,15 +362,31 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp else if (targetTypeCategory == Type::Category::Enum) // just clean convertType(_typeOnStack, *_typeOnStack.mobileType(), true); + else if (targetTypeCategory == Type::Category::FixedPoint) + { + solAssert( + stackTypeCategory == Type::Category::Integer || + stackTypeCategory == Type::Category::NumberConstant || + stackTypeCategory == Type::Category::FixedPoint, + "Invalid conversion to FixedMxNType requested." + ); + //shift all integer bits onto the left side of the fixed type + FixedPointType const& targetFixedPointType = dynamic_cast<FixedPointType const&>(_targetType); + if (auto typeOnStack = dynamic_cast<IntegerType const*>(&_typeOnStack)) + if (targetFixedPointType.integerBits() > typeOnStack->numBits()) + cleanHigherOrderBits(*typeOnStack); + //need m_context call here + + } else { solAssert(targetTypeCategory == Type::Category::Integer || targetTypeCategory == Type::Category::Contract, ""); IntegerType addressType(0, IntegerType::Modifier::Address); IntegerType const& targetType = targetTypeCategory == Type::Category::Integer ? dynamic_cast<IntegerType const&>(_targetType) : addressType; - if (stackTypeCategory == Type::Category::IntegerConstant) + if (stackTypeCategory == Type::Category::NumberConstant) { - IntegerConstantType const& constType = dynamic_cast<IntegerConstantType const&>(_typeOnStack); + ConstantNumberType const& constType = dynamic_cast<ConstantNumberType const&>(_typeOnStack); // We know that the stack is clean, we only have to clean for a narrowing conversion // where cleanup is forced. if (targetType.numBits() < constType.integerType()->numBits() && _cleanupNeeded) @@ -419,6 +436,19 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp ); break; } + /*case Type::Category::Fixed: + { + if (targetTypeCategory == Type::Category::Integer) + { + //need some guidance here + } + else if (targetTypeCategory == Type::Category::FixedBytes) + { + //need some guidance here + } + else + //need some guidance here + }*/ case Type::Category::Array: { solAssert(targetTypeCategory == stackTypeCategory, ""); |