static ToStringRef TestForToStringAccess(ExpressionSyntax myItem)
{
var result = new ToStringRef
{
IsToString = false,
HasArgument = false
};
var invocation = myItem as InvocationExpressionSyntax;
if (invocation != null)
{
var memberAccess = invocation.Expression as MemberAccessExpressionSyntax;
if (memberAccess != null)
{
if (string.Equals("ToString", memberAccess.Name.ToString(), System.StringComparison.OrdinalIgnoreCase))
{
// Only handle unecessary calls to ToString or calls with only a format string parameter.
// IE: var.ToString() or var.ToString(""), but not var.ToString(a).
if (!invocation.ArgumentList.Arguments.Any())
{
result.IsToString = true;
result.Expression = memberAccess.Expression;
}
else if (invocation.ArgumentList.Arguments.Count == 1)
{
var argument = invocation.ArgumentList.Arguments.First();
if (IsStringExpression(argument.Expression))
{
result.IsToString = true;
result.Expression = memberAccess.Expression;
result.HasArgument = true;
result.Argument = argument;
}
}
}
}
}
return(result);
}
static ToStringRef TestForToStringAccess(ExpressionSyntax myItem)
{
var result = new ToStringRef
{
IsToString = false,
HasArgument = false
};
var invocation = myItem as InvocationExpressionSyntax;
if (invocation != null)
{
var memberAccess = invocation.Expression as MemberAccessExpressionSyntax;
if (memberAccess != null)
{
if (string.Equals("ToString", memberAccess.Name.ToString(), System.StringComparison.OrdinalIgnoreCase))
{
// Only handle unecessary calls to ToString or calls with only a format string parameter.
// IE: var.ToString() or var.ToString(""), but not var.ToString(a).
if (!invocation.ArgumentList.Arguments.Any())
{
result.IsToString = true;
result.Expression = memberAccess.Expression;
}
else if (invocation.ArgumentList.Arguments.Count == 1)
{
var argument = invocation.ArgumentList.Arguments.First();
if (IsStringExpression(argument.Expression))
{
result.IsToString = true;
result.Expression = memberAccess.Expression;
result.HasArgument = true;
result.Argument = argument;
}
}
}
}
}
return result;
}