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[Sol -> Yul] Implement unary -, +

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This commit is contained in:
Mathias Baumann
2019-05-20 16:14:46 +02:00
parent 7dbcb80523
commit 86000fdcce
4 changed files with 69 additions and 6 deletions
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libsolidity/codegen/ir/IRGeneratorForStatements.cpp
+22 -6
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@@ -265,24 +265,40 @@ void IRGeneratorForStatements::endVisit(UnaryOperation const& _unaryOperation)
) <<
"(" <<
originalValue <<
")\n" <<
m_currentLValue->storeValue(modifiedValue, resultType);
")\n";
m_code << m_currentLValue->storeValue(modifiedValue, resultType);
m_currentLValue.reset();
defineExpression(_unaryOperation) <<
(_unaryOperation.isPrefixOperation() ? modifiedValue : originalValue) <<
"\n";
m_code << m_currentLValue->storeValue(modifiedValue, resultType);
m_currentLValue.reset();
}
else if (op == Token::BitNot)
appendSimpleUnaryOperation(_unaryOperation, _unaryOperation.subExpression());
else if (op == Token::Add)
// According to SyntaxChecker...
solAssert(false, "Use of unary + is disallowed.");
else if (op == Token::Sub)
{
IntegerType const& intType = *dynamic_cast<IntegerType const*>(&resultType);
defineExpression(_unaryOperation) <<
m_utils.negateNumberCheckedFunction(intType) <<
"(" <<
m_context.variable(_unaryOperation.subExpression()) <<
")\n";
}
else
solUnimplementedAssert(false, "Unary operator not yet implemented");
}
else if (resultType.category() == Type::Category::Bool)
{
appendSimpleUnaryOperation(_unaryOperation, _unaryOperation.subExpression());
solAssert(
_unaryOperation.getOperator() != Token::BitNot,
"Bitwise Negation can't be done on bool!"
);
appendSimpleUnaryOperation(_unaryOperation, _unaryOperation.subExpression());
}
else
solUnimplementedAssert(false, "Unary operator not yet implemented");