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Give min and max values in warning message.

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chriseth
2017-06-28 15:02:25 +02:00
parent a895f2dccb
commit c3e5d6b7ef
2 changed files with 29 additions and 3 deletions
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libsolidity/analysis/TypeChecker.cpp
+9 -1
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@@ -964,9 +964,17 @@ bool TypeChecker::visit(VariableDeclarationStatement const& _statement)
{
int numBits = type->numBits();
bool isSigned = type->isSigned();
string minValue;
string maxValue;
if (isSigned)
{
numBits--;
extension = ", which can hold values up to " + string((u256(1) << numBits) - 1);
minValue = "-" + bigint(bigint(1) << numBits).str();
}
else
minValue = "0";
maxValue = bigint((bigint(1) << numBits) - 1).str();
extension = ", which can hold values between " + minValue + " and " + maxValue;
}
else
solAssert(dynamic_cast<FixedPointType const*>(var.annotation().type.get()), "Unknown type.");