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-rw-r--r--libsolidity/codegen/ExpressionCompiler.cpp109
1 files changed, 49 insertions, 60 deletions
diff --git a/libsolidity/codegen/ExpressionCompiler.cpp b/libsolidity/codegen/ExpressionCompiler.cpp
index 2e548e32..54518906 100644
--- a/libsolidity/codegen/ExpressionCompiler.cpp
+++ b/libsolidity/codegen/ExpressionCompiler.cpp
@@ -349,6 +349,10 @@ bool ExpressionCompiler::visit(UnaryOperation const& _unaryOperation)
case Token::Inc: // ++ (pre- or postfix)
case Token::Dec: // -- (pre- or postfix)
solAssert(!!m_currentLValue, "LValue not retrieved.");
+ solUnimplementedAssert(
+ _unaryOperation.annotation().type->category() != Type::Category::FixedPoint,
+ "Not yet implemented - FixedPointType."
+ );
m_currentLValue->retrieveValue(_unaryOperation.location());
if (!_unaryOperation.isPrefixOperation())
{
@@ -1210,63 +1214,52 @@ bool ExpressionCompiler::visit(MemberAccess const& _memberAccess)
switch (_memberAccess.expression().annotation().type->category())
{
case Type::Category::Contract:
- case Type::Category::Integer:
{
- bool alsoSearchInteger = false;
- if (_memberAccess.expression().annotation().type->category() == Type::Category::Contract)
+ ContractType const& type = dynamic_cast<ContractType const&>(*_memberAccess.expression().annotation().type);
+ if (type.isSuper())
{
- ContractType const& type = dynamic_cast<ContractType const&>(*_memberAccess.expression().annotation().type);
- if (type.isSuper())
- {
- solAssert(!!_memberAccess.annotation().referencedDeclaration, "Referenced declaration not resolved.");
- utils().pushCombinedFunctionEntryLabel(m_context.superFunction(
- dynamic_cast<FunctionDefinition const&>(*_memberAccess.annotation().referencedDeclaration),
- type.contractDefinition()
- ));
- }
+ solAssert(!!_memberAccess.annotation().referencedDeclaration, "Referenced declaration not resolved.");
+ utils().pushCombinedFunctionEntryLabel(m_context.superFunction(
+ dynamic_cast<FunctionDefinition const&>(*_memberAccess.annotation().referencedDeclaration),
+ type.contractDefinition()
+ ));
+ }
+ // ordinary contract type
+ else if (Declaration const* declaration = _memberAccess.annotation().referencedDeclaration)
+ {
+ u256 identifier;
+ if (auto const* variable = dynamic_cast<VariableDeclaration const*>(declaration))
+ identifier = FunctionType(*variable).externalIdentifier();
+ else if (auto const* function = dynamic_cast<FunctionDefinition const*>(declaration))
+ identifier = FunctionType(*function).externalIdentifier();
else
- {
- // ordinary contract type
- if (Declaration const* declaration = _memberAccess.annotation().referencedDeclaration)
- {
- u256 identifier;
- if (auto const* variable = dynamic_cast<VariableDeclaration const*>(declaration))
- identifier = FunctionType(*variable).externalIdentifier();
- else if (auto const* function = dynamic_cast<FunctionDefinition const*>(declaration))
- identifier = FunctionType(*function).externalIdentifier();
- else
- solAssert(false, "Contract member is neither variable nor function.");
- utils().convertType(type, IntegerType(160, IntegerType::Modifier::Address), true);
- m_context << identifier;
- }
- else
- // not found in contract, search in members inherited from address
- alsoSearchInteger = true;
- }
+ solAssert(false, "Contract member is neither variable nor function.");
+ utils().convertType(type, IntegerType(160, IntegerType::Modifier::Address), true);
+ m_context << identifier;
}
else
- alsoSearchInteger = true;
-
- if (alsoSearchInteger)
+ solAssert(false, "Invalid member access in contract");
+ break;
+ }
+ case Type::Category::Integer:
+ {
+ if (member == "balance")
{
- if (member == "balance")
- {
- utils().convertType(
- *_memberAccess.expression().annotation().type,
- IntegerType(160, IntegerType::Modifier::Address),
- true
- );
- m_context << Instruction::BALANCE;
- }
- else if ((set<string>{"send", "transfer", "call", "callcode", "delegatecall"}).count(member))
- utils().convertType(
- *_memberAccess.expression().annotation().type,
- IntegerType(160, IntegerType::Modifier::Address),
- true
- );
- else
- solAssert(false, "Invalid member access to integer");
+ utils().convertType(
+ *_memberAccess.expression().annotation().type,
+ IntegerType(160, IntegerType::Modifier::Address),
+ true
+ );
+ m_context << Instruction::BALANCE;
}
+ else if ((set<string>{"send", "transfer", "call", "callcode", "delegatecall"}).count(member))
+ utils().convertType(
+ *_memberAccess.expression().annotation().type,
+ IntegerType(160, IntegerType::Modifier::Address),
+ true
+ );
+ else
+ solAssert(false, "Invalid member access to integer");
break;
}
case Type::Category::Function:
@@ -1647,12 +1640,12 @@ void ExpressionCompiler::appendOrdinaryBinaryOperatorCode(Token::Value _operator
void ExpressionCompiler::appendArithmeticOperatorCode(Token::Value _operator, Type const& _type)
{
- IntegerType const& type = dynamic_cast<IntegerType const&>(_type);
- bool const c_isSigned = type.isSigned();
-
if (_type.category() == Type::Category::FixedPoint)
solUnimplemented("Not yet implemented - FixedPointType.");
+ IntegerType const& type = dynamic_cast<IntegerType const&>(_type);
+ bool const c_isSigned = type.isSigned();
+
switch (_operator)
{
case Token::Add:
@@ -1751,7 +1744,7 @@ void ExpressionCompiler::appendShiftOperatorCode(Token::Value _operator, Type co
{
if (c_valueSigned)
// In the following assembly snippet, xor_mask will be zero, if value_to_shift is positive.
- // Therefor xor'ing with xor_mask is the identity and the computation reduces to
+ // Therefore xor'ing with xor_mask is the identity and the computation reduces to
// div(value_to_shift, exp(2, shift_amount)), which is correct, since for positive values
// arithmetic right shift is dividing by a power of two (which, as a bitwise operation, results
// in discarding bits on the right and filling with zeros from the left).
@@ -1810,15 +1803,11 @@ void ExpressionCompiler::appendExternalFunctionCall(
if (_functionType.bound())
utils().moveToStackTop(gasValueSize, _functionType.selfType()->sizeOnStack());
- bool const v050 = m_context.experimentalFeatureActive(ExperimentalFeature::V050);
auto funKind = _functionType.kind();
bool returnSuccessCondition = funKind == FunctionType::Kind::BareCall || funKind == FunctionType::Kind::BareCallCode || funKind == FunctionType::Kind::BareDelegateCall;
bool isCallCode = funKind == FunctionType::Kind::BareCallCode || funKind == FunctionType::Kind::CallCode;
bool isDelegateCall = funKind == FunctionType::Kind::BareDelegateCall || funKind == FunctionType::Kind::DelegateCall;
- bool useStaticCall =
- _functionType.stateMutability() <= StateMutability::View &&
- v050 &&
- m_context.evmVersion().hasStaticCall();
+ bool useStaticCall = _functionType.stateMutability() <= StateMutability::View && m_context.evmVersion().hasStaticCall();
bool haveReturndatacopy = m_context.evmVersion().supportsReturndata();
unsigned retSize = 0;
@@ -1879,7 +1868,7 @@ void ExpressionCompiler::appendExternalFunctionCall(
{
m_context << u256(0);
utils().fetchFreeMemoryPointer();
- // This touches too much, but that way we save some rounding arithmetics
+ // This touches too much, but that way we save some rounding arithmetic
m_context << u256(retSize) << Instruction::ADD << Instruction::MSTORE;
}
}