public ActionResult <ComputationResponse> Compute([FromBody] ComputationRequest request)
{
try {
var doc = new XmlDocument();
doc.LoadXml(request.XmlExpression);
var symbol = ReplaceBuiltInStringSymbols(doc.AsExpressionInfo().Symbol);
var(context, inputs) = symbol.Visit(new FormInputReader());
var(steps, result) = new SymbolicContext(context).Run(symbol);
var points = ListOfListToTuples((result as Expression)?.Arguments?.Last() as Expression)
.ToImmutableArray();
return(new ComputationResponse {
RawInput = symbol.Visit(MathematicaPrinter.Default),
Steps = steps.WithoutDuplicates().Select(x => x.Visit(MathematicaPrinter.Default)),
Result = result.Visit(MathematicaPrinter.Default),
//
Points = points,
FormInputs = inputs.Select(x => new ComputationResponse.FormInput {
Variable = x.Item1,
Default = x.Item2
}).ToImmutableArray()
});
}
catch (Exception e) {
logger.LogError("{error}:\n{stack}", e.Message, e.StackTrace);
return(BadRequest(e.Message));
}
}
public static void EvaluateAndAssert(
Expression expression,
Symbol expectedResult,
ITestOutputHelper output,
Expression context = null,
ImmutableList <Symbol> topLevelProcessors = null,
int?maxIterations = null
)
{
Logger.Log = output.WriteLine;
var(steps, actual) = new SymbolicContext(context, topLevelProcessors, maxIterations).Run(expression);
// steps.Print(output);
// output.WriteLine("");
// output.WriteLine(expression.ToString());
// output.WriteLine(actual.ToString());
// output.WriteLine(expectedResult.ToString());
Assert.Equal(expectedResult, actual);
}