public override void VisitTaskDefinition(TaskDefinitionSyntax taskDefinitionSyntax) {
var identifier = taskDefinitionSyntax.Identifier;
var location = identifier.GetLocation();
if(location == null) {
return;
}
var taskName = identifier.ToString();
var taskDeclaration = _taskDeklarations.TryFindSymbol(taskName);
if(taskDeclaration.Location != location) {
taskDeclaration = null;
}
_taskDefinition = new TaskDefinitionSymbol(taskName, location, taskDefinitionSyntax, taskDeclaration);
// Declarations
foreach(var nodeDeclarationSyntax in taskDefinitionSyntax.NodeDeclarationBlock?.NodeDeclarations ?? Enumerable.Empty<NodeDeclarationSyntax>()) {
Visit(nodeDeclarationSyntax);
}
// Transitions
foreach (var transitionDefinitionSyntax in taskDefinitionSyntax.TransitionDefinitionBlock?.TransitionDefinitions ?? Enumerable.Empty<TransitionDefinitionSyntax>()) {
Visit(transitionDefinitionSyntax);
}
// ExitTransitions
foreach (var transitionDefinitionSyntax in taskDefinitionSyntax.TransitionDefinitionBlock?.ExitTransitionDefinitions ?? Enumerable.Empty<ExitTransitionDefinitionSyntax>()) {
Visit(transitionDefinitionSyntax);
}
VerifyTaskDefinition();
}
public TaskDefinitionSymbol(string name,
Location location,
TaskDefinitionSyntax syntax,
TaskDeclarationSymbol taskDeclaration) : base(name, location) {
Syntax = syntax;
AsTaskDeclaration = taskDeclaration;
NodeDeclarations = new SymbolCollection<INodeSymbol>();
Transitions = new List<Transition>();
ExitTransitions = new List<ExitTransition>();
}
void ProcessTaskDefinitionSyntax(TaskDefinitionSyntax taskDefinitionSyntax, CancellationToken cancellationToken) {
cancellationToken.ThrowIfCancellationRequested();
var taskDefinitionResult= TaskDefinitionSymbolBuilder.Build(taskDefinitionSyntax, _taskDeclarations);
_diagnostics.AddRange(taskDefinitionResult.Diagnostics);
var taskDefinition = taskDefinitionResult.TaskDefinition;
if(taskDefinition == null) {
return;
}
if (_taskDefinitions.Contains(taskDefinition.Name)) {
// Doppelte Einträge überspringen. Fehler existiert schon wegen der Taskdeclarations.
} else {
if (!CSharp.IsValidIdentifier(taskDefinition.Name)) {
_diagnostics.Add(new Diagnostic(
taskDefinition.Location,
DiagnosticDescriptors.Semantic.Nav2000IdentifierExpected));
}
_taskDefinitions.Add(taskDefinition);
}
}
public static TaskDefinitionBuilderResult Build(TaskDefinitionSyntax taskDefinitionSyntax, IReadOnlySymbolCollection<TaskDeclarationSymbol> taskDeklarations) {
var builder = new TaskDefinitionSymbolBuilder(taskDeklarations);
builder.Visit(taskDefinitionSyntax);
return new TaskDefinitionBuilderResult(builder._taskDefinition, builder._diagnostics);
}
void ProcessTaskDefinition(TaskDefinitionSyntax taskDefinitionSyntax) {
if(null != taskDefinitionSyntax && !taskDefinitionSyntax.Identifier.IsMissing) {
var identifier = taskDefinitionSyntax.Identifier;
var location = identifier.GetLocation();
if(location != null) {
var taskDeclaration = new TaskDeclarationSymbol(identifier.ToString(), location, TaskDeclarationOrigin.TaskDefinition, _processAsIncludedFile);
AddConnectionPoints(taskDeclaration, taskDefinitionSyntax.NodeDeclarationBlock?.ConnectionPoints().ToList());
AddTaskDeclaration(taskDeclaration);
}
}
}
public override void PostWalkTaskDefinition(TaskDefinitionSyntax taskDefinitionSyntax) {
MethodsCalled["PostWalkTaskDefinition"]=true;
}
// TaskDefinitionSyntax
public override bool WalkTaskDefinition(TaskDefinitionSyntax taskDefinitionSyntax) {
MethodsCalled["WalkTaskDefinition"]=true;
return true;
}