public void Run(XElement element, MSBuildLanguageElement resolvedElement, string filename, ITextSource textDocument, MSBuildDocument document, int offset = 0, int length = 0)
{
Filename = filename;
Document = document;
Extension = System.IO.Path.GetExtension(filename);
//HACK: we should really use the ITextSource directly, but since the XML parser positions are
//currently line/col, we need a TextDocument to convert to offsets
TextDocument = textDocument as IReadonlyTextDocument
?? TextEditorFactory.CreateNewReadonlyDocument(
textDocument, filename, MSBuildTextEditorExtension.MSBuildMimeType
);
range = new DocumentRegion(
TextDocument.OffsetToLocation(offset),
length > 0
? TextDocument.OffsetToLocation(length + offset)
: new DocumentLocation(int.MaxValue, int.MaxValue));
if (resolvedElement != null)
{
VisitResolvedElement(element, resolvedElement);
}
else if (element != null)
{
ResolveAndVisit(element, null);
}
}
void LoadTasks(
HashSet <string> importedFiles, MSBuildDocument previous, string filename,
PropertyValueCollector propVals, TaskMetadataBuilder taskBuilder, MSBuildSchemaProvider schemaProvider,
CancellationToken token)
{
try {
var import = GetCachedOrParse(importedFiles, previous, filename, null, File.GetLastWriteTimeUtc(filename), Filename, propVals, taskBuilder, schemaProvider, token);
Imports.Add(filename, import);
} catch (Exception ex) {
LoggingService.LogError($"Error loading tasks file {filename}", ex);
}
}
Import GetCachedOrParse(
HashSet <string> importedFiles, MSBuildDocument oldDoc, string filename, string sdk, DateTime mtimeUtc, string projectPath,
PropertyValueCollector propVals, TaskMetadataBuilder taskBuilder, MSBuildSchemaProvider schemaProvider,
CancellationToken token)
{
if (oldDoc != null && oldDoc.Imports.TryGetValue(filename, out Import oldImport) && oldImport.TimeStampUtc == mtimeUtc)
{
//TODO: check mtimes of descendent imports too
return(oldImport);
}
else
{
//TODO: guard against cyclic imports
return(ParseImport(importedFiles, new Import(filename, sdk, mtimeUtc), projectPath, propVals, taskBuilder, schemaProvider, token));
}
}
public void Run(XElement element, MSBuildLanguageElement resolvedElement, string filename, ITextSource textDocument, MSBuildDocument document)
{
Filename = filename;
Document = document;
//HACK: we should really use the ITextSource directly, but since the XML parser positions are
//currently line/col, we need a TextDocument to convert to offsets
TextDocument = textDocument as IReadonlyTextDocument
?? TextEditorFactory.CreateNewReadonlyDocument(
textDocument, filename, MSBuildTextEditorExtension.MSBuildMimeType
);
if (resolvedElement != null)
{
VisitResolvedElement(element, resolvedElement);
}
else if (element != null)
{
ResolveAndVisit(element, null);
}
}
public void Run(XDocument xDocument, string filename, ITextSource textDocument, MSBuildDocument doc, int offset = 0, int length = 0)
{
Run(xDocument.RootElement, null, filename, textDocument, doc, offset, length);
}
public void Run(XDocument xDocument, string filename, ITextSource textDocument, MSBuildDocument doc)
{
Run(xDocument.RootElement, null, filename, textDocument, doc);
}
public static MSBuildResolveResult Resolve(
XmlParser parser, IReadonlyTextDocument document, MSBuildDocument context)
{
int offset = parser.Position;
//clones and connects nodes to their parents
parser = parser.GetTreeParser();
var nodePath = parser.Nodes.ToList();
nodePath.Reverse();
//capture incomplete names, attributes and element values
int i = offset;
if (parser.CurrentState is XmlRootState && parser.Nodes.Peek() is XElement unclosedEl)
{
while (i < document.Length && InRootOrClosingTagState() && !unclosedEl.IsClosed)
{
parser.Push(document.GetCharAt(i++));
}
}
else
{
while (i < document.Length && InNameOrAttributeState())
{
parser.Push(document.GetCharAt(i++));
}
}
//if nodes are incomplete, they won't get connected
//HACK: the only way to reconnect them is reflection
if (nodePath.Count > 1)
{
for (int idx = 1; idx < nodePath.Count; idx++)
{
var node = nodePath [idx];
if (node.Parent == null)
{
var parent = nodePath [idx - 1];
ParentProp.SetValue(node, parent);
}
}
}
//need to look up element by walking how the path, since at each level, if the parent has special children,
//then that gives us information to identify the type of its children
MSBuildLanguageElement languageElement = null;
MSBuildLanguageAttribute languageAttribute = null;
XElement el = null;
XAttribute att = null;
foreach (var node in nodePath)
{
if (node is XAttribute xatt && xatt.Name.Prefix == null)
{
att = xatt;
languageAttribute = languageElement?.GetAttribute(att.Name.Name);
break;
}
//if children of parent is known to be arbitrary data, don't go into it
if (languageElement != null && languageElement.ValueKind == MSBuildValueKind.Data)
{
break;
}
//code completion is forgiving, all we care about best guess resolve for deepest child
if (node is XElement xel && xel.Name.Prefix == null)
{
el = xel;
languageElement = MSBuildLanguageElement.Get(el.Name.Name, languageElement);
if (languageElement != null)
{
continue;
}
}
languageElement = null;
}
if (languageElement == null)
{
return(null);
}
var rr = new MSBuildResolveResult {
LanguageElement = languageElement,
LanguageAttribute = languageAttribute,
XElement = el,
XAttribute = att
};
var rv = new MSBuildResolveVisitor(offset, rr);
rv.Run(el, languageElement, document.FileName, document, context);
return(rr);
bool InNameOrAttributeState() =>
parser.CurrentState is XmlNameState ||
parser.CurrentState is XmlAttributeState ||
parser.CurrentState is XmlAttributeValueState;
bool InRootOrClosingTagState() =>
parser.CurrentState is XmlRootState ||
parser.CurrentState is XmlNameState ||
parser.CurrentState is XmlClosingTagState;
}
