Function fitsIntegerType

libsolidity/ast/Types.cpp:73–82

Checks whether _value fits into IntegerType _type.

/// Checks whether _value fits into IntegerType _type.
BoolResult fitsIntegerType(bigint const& _value, IntegerType const& _type)
{
	if (_value < 0 && !_type.isSigned())
		return BoolResult::err("Cannot implicitly convert signed literal to unsigned type.");

	if (_type.minValue() > _value || _value > _type.maxValue())
		return BoolResult::err("Literal is too large to fit in " + _type.toString(false) + ".");

	return true;
}

/// Checks whether _value fits into _bits bits when having 1 bit as the sign bit
/// if _signed is true.