public static UnaryExpression Negate(Expression expression)
{
Contract.RequiresNotNull(expression, "expression");
Contract.Requires(TypeUtils.IsArithmetic(expression.Type) && !TypeUtils.IsUnsigned(expression.Type), "expression", "Expression must be signed numeric type");
return(new UnaryExpression(AstNodeType.Negate, expression, expression.Type));
}
private static BinaryExpression MakeBinaryArithmeticExpression(AstNodeType nodeType, Expression left, Expression right)
{
Contract.RequiresNotNull(left, "left");
Contract.RequiresNotNull(left, "right");
if (left.Type != right.Type || !TypeUtils.IsArithmetic(left.Type))
{
throw new NotSupportedException(String.Format("{0} only supports identical arithmetic types, got {1} {2}", nodeType, left.Type.Name, right.Type.Name));
}
return(new BinaryExpression(nodeType, left, right));
}
