private static SolutionAnalysis Analyze(GigasecondSolution gigasecondSolution)
{
if (gigasecondSolution.ReturnsAddSecondsWithScientificNotation())
{
return(gigasecondSolution.UsesExpressionBody()
? gigasecondSolution.ApproveAsOptimal()
: gigasecondSolution.ApproveWithComment(SharedComments.UseExpressionBodiedMember));
}
if (gigasecondSolution.ReturnsAddSecondsWithMathPow())
{
return(gigasecondSolution.ApproveWithComment(GigasecondComments.UseScientificNotationNotMathPow));
}
if (gigasecondSolution.ReturnsAddSecondsWithDigitsWithoutSeparator())
{
return(gigasecondSolution.ApproveWithComment(GigasecondComments.UseScientificNotationOrDigitSeparators));
}
if (gigasecondSolution.UsesAddMethod() ||
gigasecondSolution.UsesPlusOperator())
{
return(gigasecondSolution.DisapproveWithComment(GigasecondComments.UseAddSeconds));
}
return(gigasecondSolution.ReferToMentor());
}
public static bool UsesPlusOperator(this GigasecondSolution gigasecondSolution) =>
gigasecondSolution.AddMethod
.DescendantNodes <BinaryExpressionSyntax>()
.Any(binaryExpression =>
binaryExpression.IsKind(SyntaxKind.AddExpression) &&
binaryExpression.DescendantNodes <IdentifierNameSyntax>()
.Any(identifierName =>
identifierName.IsEquivalentWhenNormalized(
GigasecondParameterIdentifierName(gigasecondSolution))));
private static SolutionAnalysis ApproveWhenValid(this GigasecondSolution gigasecondSolution)
{
if (gigasecondSolution.UsesMathPow())
{
return(gigasecondSolution.ApproveWithComment(UseScientificNotationNotMathPow));
}
if (gigasecondSolution.UsesDigitsWithoutSeparator())
{
return(gigasecondSolution.ApproveWithComment(UseScientificNotationOrDigitSeparators));
}
if (!gigasecondSolution.UsesScientificNotation() &&
!gigasecondSolution.UsesDigitsWithSeparator())
{
return(null);
}
if (gigasecondSolution.AssignsToParameterAndReturns() ||
gigasecondSolution.AssignsToVariableAndReturns())
{
return(gigasecondSolution.ApproveWithComment(ReturnImmediately));
}
if (gigasecondSolution.UsesLocalConstVariable())
{
return(gigasecondSolution.ApproveAsOptimal());
}
if (gigasecondSolution.UsesLocalVariable())
{
return(gigasecondSolution.ApproveWithComment(UseConstant));
}
if (gigasecondSolution.UsesPrivateConstField())
{
return(gigasecondSolution.UsesExpressionBody()
? gigasecondSolution.ApproveAsOptimal()
: gigasecondSolution.ApproveWithComment(UseExpressionBodiedMember));
}
if (gigasecondSolution.UsesConstField())
{
return(gigasecondSolution.ApproveWithComment(UsePrivateVisibility));
}
if (gigasecondSolution.UsesField())
{
return(gigasecondSolution.ApproveWithComment(UseConstant));
}
return(gigasecondSolution.UsesExpressionBody()
? gigasecondSolution.ApproveAsOptimal()
: gigasecondSolution.ApproveWithComment(UseExpressionBodiedMember));
}
private static SolutionAnalysis DisapproveWhenInvalid(this GigasecondSolution gigasecondSolution)
{
if (gigasecondSolution.CreatesNewDatetime())
{
return(gigasecondSolution.DisapproveWithComment(DontCreateDateTime));
}
if (gigasecondSolution.DoesNotUseAddSeconds())
{
return(gigasecondSolution.DisapproveWithComment(UseAddSeconds));
}
return(null);
}
private static SolutionAnalysis Analyze(GigasecondSolution gigasecondSolution) => gigasecondSolution.DisapproveWhenInvalid() ?? gigasecondSolution.ApproveWhenValid() ?? gigasecondSolution.ReferToMentor();
public static MemberAccessExpressionSyntax AddSecondsMemberAccessExpression(GigasecondSolution solution) =>
SimpleMemberAccessExpression(
IdentifierName(solution.AddMethodParameterName),
IdentifierName("AddSeconds"));
public static IdentifierNameSyntax GigasecondParameterIdentifierName(GigasecondSolution gigasecondSolution) => IdentifierName(gigasecondSolution.BirthDateParameter.Identifier);
private static MemberAccessExpressionSyntax GigasecondMemberAccessExpression(GigasecondSolution gigasecondSolution, IdentifierNameSyntax methodName) =>
SimpleMemberAccessExpression(
GigasecondParameterIdentifierName(gigasecondSolution),
methodName);
public static InvocationExpressionSyntax GigasecondAddSecondsInvocationExpression(GigasecondSolution gigasecondSolution, ExpressionSyntax argumentExpression) =>
// TODO: consider adding factory method to invocation with argument
InvocationExpression(
GigasecondMemberAccessExpression(gigasecondSolution, IdentifierName("AddSeconds")))
.WithArgumentList(
ArgumentList(
SingletonSeparatedList(
GigasecondBirthDateArgument(argumentExpression))));
public static bool ReturnsAddSecondsWithScientificNotation(this GigasecondSolution gigasecondSolution) =>
gigasecondSolution.Returns(
GigasecondAddSecondsWithScientificNotationInvocationExpression(gigasecondSolution));
public static InvocationExpressionSyntax GigasecondAddSecondsWithScientificNotationInvocationExpression(GigasecondSolution gigasecondSolution) =>
GigasecondAddSecondsInvocationExpression(
gigasecondSolution,
NumericLiteralExpression("1E9", 1e9));
public static InvocationExpressionSyntax GigasecondAddSecondsWithDigitsWithoutSeparatorInvocationExpression(GigasecondSolution gigasecondSolution) =>
GigasecondAddSecondsInvocationExpression(
gigasecondSolution,
NumericLiteralExpression(1000000000));
public static bool UsesAddMethod(this GigasecondSolution gigasecondSolution) =>
gigasecondSolution.AddMethod.InvokesExpression(
GigasecondAddMemberAccessExpression(gigasecondSolution));
public static bool ReturnsAddSecondsWithMathPow(this GigasecondSolution gigasecondSolution) =>
gigasecondSolution.Returns(
GigasecondAddSecondsInvocationExpression(
gigasecondSolution,
GigasecondAddSecondsWithMathPowInvocationExpression()));
public static bool ReturnsAddSecondsWithDigitsWithoutSeparator(this GigasecondSolution gigasecondSolution) =>
gigasecondSolution.Returns(
GigasecondAddSecondsWithDigitsWithoutSeparatorInvocationExpression(gigasecondSolution));
public static MemberAccessExpressionSyntax GigasecondAddMemberAccessExpression(GigasecondSolution gigasecondSolution) =>
GigasecondMemberAccessExpression(gigasecondSolution, IdentifierName("Add"));
public static bool UsesExpressionBody(this GigasecondSolution gigasecondSolution) => gigasecondSolution.AddMethod.IsExpressionBody();