public static CodeGenerationUnit FromCodeGenerationUnitSyntax(CodeGenerationUnitSyntax syntax, CancellationToken cancellationToken) {
if (syntax == null) {
throw new ArgumentNullException(nameof(syntax));
}
var builder = new CodeGenerationUnitBuilder();
builder.Process(syntax, cancellationToken);
var model=new CodeGenerationUnit(
syntax,
builder._codeUsings,
builder._taskDeclarations,
builder._taskDefinitions,
builder._includes,
builder._symbols,
builder._diagnostics.ToUnique());
foreach(var taskDefinition in builder._taskDefinitions) {
taskDefinition.FinalConstruct(model);
}
foreach (var taskDeclaration in builder._taskDeclarations.Where(td=>!td.IsIncluded)) {
taskDeclaration.FinalConstruct(model);
}
return model;
}
void ProcessCodeGenerationUnitSyntax(CodeGenerationUnitSyntax syntax, CancellationToken cancellationToken) {
if (!_processAsIncludedFile) {
foreach(var includeDirectiveSyntax in syntax.DescendantNodes().OfType<IncludeDirectiveSyntax>()) {
cancellationToken.ThrowIfCancellationRequested();
ProcessIncludeDirective(includeDirectiveSyntax, cancellationToken);
}
foreach (var taskDeclarationSyntax in syntax.DescendantNodes().OfType<TaskDeclarationSyntax>()) {
cancellationToken.ThrowIfCancellationRequested();
ProcessTaskDeclaration(taskDeclarationSyntax);
}
}
foreach (var taskDefinitionSyntax in syntax.DescendantNodes().OfType<TaskDefinitionSyntax>()) {
cancellationToken.ThrowIfCancellationRequested();
ProcessTaskDefinition(taskDefinitionSyntax);
}
}
internal CodeGenerationUnit(CodeGenerationUnitSyntax syntax,
IReadOnlyList<string> codeUsings,
IReadOnlySymbolCollection<ITaskDeclarationSymbol> taskDeclarations,
IReadOnlySymbolCollection<ITaskDefinitionSymbol> taskDefinitions,
IReadOnlySymbolCollection<IIncludeSymbol> includes,
IEnumerable<ISymbol> symbols,
IReadOnlyList<Diagnostic> diagnostics) {
if(syntax == null) {
throw new ArgumentNullException(nameof(syntax));
}
Syntax = syntax;
CodeUsings = codeUsings ?? new List<string>();
TaskDeclarations = taskDeclarations ?? new SymbolCollection<ITaskDeclarationSymbol>();
TaskDefinitions = taskDefinitions ?? new SymbolCollection<ITaskDefinitionSymbol>();
Diagnostics = diagnostics ?? new List<Diagnostic>();
Includes = includes ?? new SymbolCollection<IIncludeSymbol>();
Symbols = new SymbolList(symbols ?? Enumerable.Empty<IIncludeSymbol>());
}
void ProcessNavLanguage(CodeGenerationUnitSyntax syntax, CancellationToken cancellationToken) {
cancellationToken.ThrowIfCancellationRequested();
//====================
// 1. TaskDeclarations
//====================
var taskDeclarationResult = TaskDeclarationSymbolBuilder.FromCodeGenerationUnitSyntax(syntax, cancellationToken);
_diagnostics.AddRange(taskDeclarationResult.Diagnostics);
_taskDeclarations.AddRange(taskDeclarationResult.TaskDeklarations);
_includes.AddRange(taskDeclarationResult.Includes);
cancellationToken.ThrowIfCancellationRequested();
//====================
// 2. TaskDefinitions
//====================
foreach (var taskDefinitionSyntax in syntax.DescendantNodes().OfType<TaskDefinitionSyntax>()) {
ProcessTaskDefinitionSyntax(taskDefinitionSyntax, cancellationToken);
}
//====================
// 3. Collect Symbols
//====================
// Nur Symbole von Taskdeklarationen der eigenen Datei, und auch nur solche, die aus "taskrefs task" entstanden sind
_symbols.AddRange(_taskDeclarations.Where(td => !td.IsIncluded &&
td.Origin==TaskDeclarationOrigin.TaskDeclaration)
.SelectMany(td => td.SymbolsAndSelf()));
// Alle Symbole und deren "Kinder" der Taskdefinitionen
_symbols.AddRange(_taskDefinitions.SelectMany(td => td.SymbolsAndSelf()));
// Alle Includes (= taskref "filepath") hinzufügen
_symbols.AddRange(_includes);
}
void Process(CodeGenerationUnitSyntax syntax, CancellationToken cancellationToken) {
ProcessNavLanguage(syntax, cancellationToken);
ProcessCodeLanguage(syntax, cancellationToken);
ProcessFinalSemanticErrors(syntax, cancellationToken);
}
void ProcessFinalSemanticErrors(CodeGenerationUnitSyntax syntax, CancellationToken cancellationToken) {
// =====================
// Unused Includes
var unusedIncludes = _includes.Where(i => !i.TaskDeklarations.SelectMany(td => td.References).Any());
foreach (var includeSymbol in unusedIncludes) {
cancellationToken.ThrowIfCancellationRequested();
_diagnostics.Add(new Diagnostic(
includeSymbol.Syntax.GetLocation(),
DiagnosticDescriptors.DeadCode.Nav1003IncludeNotRequired));
}
// =====================
// Unused Task Declarations
var unusedTaskDeclarations = _taskDeclarations.Where(td => !td.IsIncluded && td.Origin == TaskDeclarationOrigin.TaskDeclaration && !td.References.Any());
foreach (var taskDeclarationSymbol in unusedTaskDeclarations) {
cancellationToken.ThrowIfCancellationRequested();
var location = taskDeclarationSymbol.Location;
// wenn möglich markieren wir "taskref Identifier"
var taskDeclarationSyntax = syntax.FindNode(taskDeclarationSymbol.Location.Start) as TaskDeclarationSyntax;
if (taskDeclarationSyntax != null) {
var start = taskDeclarationSyntax.TaskrefKeyword.Start;
var end = taskDeclarationSyntax.Identifier.End;
var extent = TextExtent.FromBounds(start, end);
location = syntax.SyntaxTree.GetLocation(extent);
}
_diagnostics.Add(new Diagnostic(
location,
DiagnosticDescriptors.DeadCode.Nav1005TaskDeclaration0NotRequired,
taskDeclarationSymbol.Name));
}
}
void ProcessCodeLanguage(CodeGenerationUnitSyntax syntax, CancellationToken cancellationToken) {
foreach (var codeUsingDeclarationSyntax in syntax.DescendantNodes().OfType<CodeUsingDeclarationSyntax>()) {
cancellationToken.ThrowIfCancellationRequested();
ProcessCodeUsingDeclaration(codeUsingDeclarationSyntax);
}
}
public static CodeGenerationUnit FromCodeGenerationUnitSyntax(CodeGenerationUnitSyntax syntax, CancellationToken cancellationToken = default(CancellationToken)) {
return CodeGenerationUnitBuilder.FromCodeGenerationUnitSyntax(syntax, cancellationToken);
}
static TaskDeclarationResult FromCodeGenerationUnitSyntax(CodeGenerationUnitSyntax syntax, bool processAsIncludedFile, CancellationToken cancellationToken) {
var builder = new TaskDeclarationSymbolBuilder(processAsIncludedFile);
builder.ProcessCodeGenerationUnitSyntax(syntax, cancellationToken);
return new TaskDeclarationResult(builder._diagnostics, builder._taskDeklarations, builder._includes);
}
public static TaskDeclarationResult FromCodeGenerationUnitSyntax(CodeGenerationUnitSyntax syntax, CancellationToken cancellationToken) {
return FromCodeGenerationUnitSyntax(syntax, false, cancellationToken);
}
public override void PostWalkCodeGenerationUnit(CodeGenerationUnitSyntax codeGenerationUnitSyntax) {
MethodsCalled["PostWalkCodeGenerationUnit"]=true;
}
// CodeGenerationUnitSyntax
public override bool WalkCodeGenerationUnit(CodeGenerationUnitSyntax codeGenerationUnitSyntax) {
MethodsCalled["WalkCodeGenerationUnit"]=true;
return true;
}
