void ProcessIncludeDirective(IncludeDirectiveSyntax includeDirectiveSyntax, CancellationToken cancellationToken) {
var location = includeDirectiveSyntax.StringLiteral.GetLocation();
try {
var filePath = includeDirectiveSyntax.StringLiteral.ToString().Trim('"');
if(!Path.IsPathRooted(filePath)) {
var directory = includeDirectiveSyntax.SyntaxTree.FileInfo?.Directory;
if (directory == null || !directory.Exists) {
_diagnostics.Add(new Diagnostic(
location,
DiagnosticDescriptors.Semantic.Nav0003SourceFileNeedsToBeSavedBeforeIncludeDirectiveCanBeProcessed));
return;
}
filePath = Path.Combine(directory.FullName, filePath);
}
if(!File.Exists(filePath)) {
_diagnostics.Add(new Diagnostic(
location,
DiagnosticDescriptors.Semantic.Nav0004File0NotFound,
filePath) );
return;
} else {
// FileInfo löst relative Pfadangaben auf...
var fileInfo = new FileInfo(filePath);
filePath = fileInfo.FullName;
}
// nav File inkludiert sich selbst
if (String.Equals(includeDirectiveSyntax.SyntaxTree.FileInfo?.FullName, filePath, StringComparison.OrdinalIgnoreCase)) {
_diagnostics.Add(new Diagnostic(
location,
DiagnosticDescriptors.DeadCode.Nav1006SelfReferencingIncludeNotRequired));
return;
}
var includeFileSyntax = SyntaxTree.FromFile(filePath, cancellationToken);
var fileLocation = new Location(filePath);
var result = FromCompilationUnit(includeFileSyntax.GetRoot() as CompilationUnitSyntax, processAsIncludedFile: true, cancellationToken: cancellationToken);
var diagnostics = includeFileSyntax.Diagnostics.Union(result.Diagnostics).ToList();
var include = new IncludeSymbol(filePath, location, fileLocation, includeDirectiveSyntax, diagnostics, result.TaskDeklarations);
AddInclude(include);
} catch(OperationCanceledException) {
throw;
} catch(Exception ex) {
_diagnostics.Add(new Diagnostic(location, DiagnosticDescriptors.NewInternalError(ex)));
}
}
public override void PostWalkIncludeDirective(IncludeDirectiveSyntax includeDirectiveSyntax) {
MethodsCalled["PostWalkIncludeDirective"]=true;
}
// IncludeDirectiveSyntax
public override bool WalkIncludeDirective(IncludeDirectiveSyntax includeDirectiveSyntax) {
MethodsCalled["WalkIncludeDirective"]=true;
return true;
}
