public CodeSnapshot ApplySyntaxRewriters(List <SyntaxRewriter> rewriters)
{
var newSolution = code.Solution;
var res = new CodeSnapshot();
var allDocsIdsToModify = rewriters.SelectMany(r => r.GetDocumentsIdsToModify()).ToList();
foreach (var id in allDocsIdsToModify)
{
var cb = code.CodeBulksAndDocumentsIds[id];
res.PreviousCode[cb] = cb.Tree;
}
foreach (var rewriter in rewriters)
{
var docsToModify = rewriter.GetDocumentsIdsToModify();
var newTrees = new Dictionary <DocumentId, SyntaxNode>();
foreach (var id in docsToModify)
{
newTrees[id] = rewriter.Visit(code.Solution.GetDocument(id).GetSyntaxRootAsync().Result);
}
foreach (var id in docsToModify)
{
code.CodeBulksAndDocumentsIds[id].Tree = newTrees[id].SyntaxTree;
newSolution = newSolution.WithDocumentSyntaxRoot(id, newTrees[id]);
}
}
code.SetSolution(newSolution);
return(res);
}
public CodeSnapshot Merge(CodeSnapshot snapshot)
{
foreach (var kv in snapshot.PreviousCode)
{
if (!PreviousCode.ContainsKey(kv.Key))
{
PreviousCode[kv.Key] = kv.Value;
}
}
return(this);
}
public CodeSnapshot RemoveNode(string annotation, CodeBulk codeBulk)
{
var res = new CodeSnapshot();
res.PreviousCode[codeBulk] = codeBulk.Tree;
var node = codeBulk.Tree.GetRoot().GetAnnotatedNodes(annotation).Single();
codeBulk.Tree = codeBulk.Tree.GetRoot().RemoveNode(node, SyntaxRemoveOptions.KeepNoTrivia).SyntaxTree;
return(res);
}
public CodeSnapshot InsertAfter(SyntaxNode node, string annotation, CodeBulk codeBulk)
{
var res = new CodeSnapshot();
res.PreviousCode[codeBulk] = codeBulk.Tree;
var mark = codeBulk.Tree.GetRoot().GetAnnotatedNodes(annotation).Single();
codeBulk.Tree = codeBulk.Tree.GetRoot().InsertNodesAfter(mark, new[] { node }).SyntaxTree;
return(res);
}
public void ApplySnapshot(CodeSnapshot snapshot)
{
var newSolution = code.Solution;
foreach (var kv in snapshot.PreviousCode)
{
kv.Key.Tree = kv.Value;
newSolution = newSolution.WithDocumentSyntaxRoot(code.CodeBulksAndDocumentsIds[kv.Key], kv.Value.GetRoot());
}
code.SetSolution(newSolution);
}