private static StateMethod MapMethod(MethodDeclarationSyntax method)
{
return(method.Identifier.ToFullString() switch
{
var assign when assign.StartsWith("AssignTo_")
=> new StateMethod
{
Type = "Assign", Expression = method.ExtractExpression(), State = assign.Substring("AssignTo_".Length)
},
var transition when transition.StartsWith("EvaluateStateTransition_")
=> new StateMethod
{
Type = "Transition", Expression = method.ExtractExpression(), State = transition.Substring("EvaluateStateTransition_".Length)
},
var stateIn when stateIn.StartsWith("On") && stateIn.EndsWith("In")
=> new StateMethod
{
Type = stateIn, Expression = method.ExtractExpression(), State = stateIn.Substring("On".Length, stateIn.Length - "In".Length - 2)
},
var stateOut when stateOut.StartsWith("On") && stateOut.EndsWith("Out")
=> new StateMethod
{
Type = stateOut, Expression = method.ExtractExpression(), State = stateOut.Substring("On".Length, stateOut.Length - "Out".Length - 2)
},
_ => throw new NotSupportedException()
});