diff options
Diffstat (limited to 'libsolidity/codegen')
-rw-r--r-- | libsolidity/codegen/CompilerUtils.cpp | 38 | ||||
-rw-r--r-- | libsolidity/codegen/ExpressionCompiler.cpp | 8 | ||||
-rw-r--r-- | libsolidity/codegen/LValue.cpp | 4 |
3 files changed, 42 insertions, 8 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, ""); diff --git a/libsolidity/codegen/ExpressionCompiler.cpp b/libsolidity/codegen/ExpressionCompiler.cpp index ab02e0b5..14bc0855 100644 --- a/libsolidity/codegen/ExpressionCompiler.cpp +++ b/libsolidity/codegen/ExpressionCompiler.cpp @@ -285,7 +285,7 @@ bool ExpressionCompiler::visit(UnaryOperation const& _unaryOperation) // the operator should know how to convert itself and to which types it applies, so // put this code together with "Type::acceptsBinary/UnaryOperator" into a class that // represents the operator - if (_unaryOperation.annotation().type->category() == Type::Category::IntegerConstant) + if (_unaryOperation.annotation().type->category() == Type::Category::NumberConstant) { m_context << _unaryOperation.annotation().type->literalValue(nullptr); return false; @@ -360,7 +360,7 @@ bool ExpressionCompiler::visit(BinaryOperation const& _binaryOperation) if (c_op == Token::And || c_op == Token::Or) // special case: short-circuiting appendAndOrOperatorCode(_binaryOperation); - else if (commonType.category() == Type::Category::IntegerConstant) + else if (commonType.category() == Type::Category::NumberConstant) m_context << commonType.literalValue(nullptr); else { @@ -370,7 +370,7 @@ bool ExpressionCompiler::visit(BinaryOperation const& _binaryOperation) // for commutative operators, push the literal as late as possible to allow improved optimization auto isLiteral = [](Expression const& _e) { - return dynamic_cast<Literal const*>(&_e) || _e.annotation().type->category() == Type::Category::IntegerConstant; + return dynamic_cast<Literal const*>(&_e) || _e.annotation().type->category() == Type::Category::NumberConstant; }; bool swap = m_optimize && Token::isCommutativeOp(c_op) && isLiteral(rightExpression) && !isLiteral(leftExpression); if (swap) @@ -1225,7 +1225,7 @@ void ExpressionCompiler::endVisit(Literal const& _literal) switch (type->category()) { - case Type::Category::IntegerConstant: + case Type::Category::NumberConstant: case Type::Category::Bool: m_context << type->literalValue(&_literal); break; diff --git a/libsolidity/codegen/LValue.cpp b/libsolidity/codegen/LValue.cpp index fcadd2ff..7d9fa4c8 100644 --- a/libsolidity/codegen/LValue.cpp +++ b/libsolidity/codegen/LValue.cpp @@ -186,6 +186,7 @@ void StorageItem::retrieveValue(SourceLocation const&, bool _remove) const dynamic_cast<IntegerType const&>(*m_dataType).isSigned() ) m_context << u256(m_dataType->storageBytes() - 1) << Instruction::SIGNEXTEND; + //need something here for Fixed...guidance would be nice else m_context << ((u256(0x1) << (8 * m_dataType->storageBytes())) - 1) << Instruction::AND; } @@ -240,6 +241,9 @@ void StorageItem::storeValue(Type const& _sourceType, SourceLocation const& _loc << Instruction::MUL << Instruction::DIV; m_context << Instruction::MUL << Instruction::OR; + //else if (m_dataType->category() == Type::Category::Fixed) + //trying to figure out what this does...going to require some more assistance + m_context << Instruction::MUL << eth::Instruction::OR; // stack: value storage_ref updated_value m_context << Instruction::SWAP1 << Instruction::SSTORE; if (_move) |