public static MSBuildRootDocument Parse(
string filename, ITextSource textSource, MSBuildRootDocument previous,
MSBuildSchemaProvider schemaProvider, IRuntimeInformation runtimeInfo,
CancellationToken token)
{
var xmlParser = new XmlParser(new XmlRootState(), true);
try {
xmlParser.Parse(textSource.CreateReader());
} catch (Exception ex) {
LoggingService.LogError("Unhandled error parsing xml document", ex);
}
var xdocument = xmlParser.Nodes.GetRoot();
if (xdocument != null && xdocument.RootElement != null)
{
if (!xdocument.RootElement.IsEnded)
{
xdocument.RootElement.End(xmlParser.Location);
}
}
//FIXME: unfortunately the XML parser's regions only have line+col locations, not offsets
//so we need to create an ITextDocument to extract tag bodies
//we should fix this by changing the parser to use offsets for the tag locations
ITextDocument textDoc = textSource as ITextDocument
?? TextEditorFactory.CreateNewDocument(textSource, filename, MSBuildTextEditorExtension.MSBuildMimeType);
var propVals = new PropertyValueCollector(true);
string projectPath = filename;
var doc = new MSBuildRootDocument(filename)
{
XDocument = xdocument,
Text = textDoc,
RuntimeInformation = runtimeInfo
};
doc.Errors.AddRange(xmlParser.Errors);
try {
doc.Schema = previous?.Schema ?? schemaProvider.GetSchema(filename, null);
} catch (Exception ex) {
LoggingService.LogError("Error loading schema", ex);
}
var importedFiles = new HashSet <string> (StringComparer.OrdinalIgnoreCase)
{
filename
};
var taskBuilder = new TaskMetadataBuilder(doc);
var extension = Path.GetExtension(filename);
string MakeRelativeMSBuildPathAbsolute(string path)
{
var dir = Path.GetDirectoryName(doc.Filename);
path = path.Replace('\\', Path.DirectorySeparatorChar);
return(Path.GetFullPath(Path.Combine(dir, path)));
}
Import TryImportFile(string possibleFile)
{
try {
var fi = new FileInfo(possibleFile);
if (fi.Exists)
{
var imp = doc.GetCachedOrParse(importedFiles, previous, possibleFile, null, fi.LastWriteTimeUtc, projectPath, propVals, taskBuilder, schemaProvider, token);
doc.Imports.Add(possibleFile, imp);
return(imp);
}
} catch (Exception ex) {
LoggingService.LogError($"Error importing '{possibleFile}'", ex);
}
return(null);
}
Import TryImportSibling(string ifHasThisExtension, string thenTryThisExtension)
{
if (string.Equals(ifHasThisExtension, extension, StringComparison.OrdinalIgnoreCase))
{
var siblingFilename = Path.ChangeExtension(filename, thenTryThisExtension);
return(TryImportFile(siblingFilename));
}
return(null);
}
void TryImportIntellisenseImports(MSBuildSchema schema)
{
foreach (var intellisenseImport in schema.IntelliSenseImports)
{
TryImportFile(MakeRelativeMSBuildPathAbsolute(intellisenseImport));
}
}
try {
//if this is a targets file, try to import the props _at the top_
var propsImport = TryImportSibling(".targets", ".props");
// this currently only happens in the root file
// it's a quick hack to allow files to get some basic intellisense by
// importing the files _that they themselves expect to be imported from_.
// we also try to load them from the sibling props, as a paired targets/props
// will likely share a schema file.
var schema = doc.Schema ?? propsImport?.Document?.Schema;
if (schema != null)
{
TryImportIntellisenseImports(doc.Schema);
}
doc.Build(
xdocument, textDoc, runtimeInfo, propVals, taskBuilder,
(imp, sdk) => doc.ResolveImport(importedFiles, previous, projectPath, filename, imp, sdk, propVals, taskBuilder, schemaProvider, token)
);
//if this is a props file, try to import the targets _at the bottom_
var targetsImport = TryImportSibling(".props", ".targets");
//and if we didn't load intellisense import already, try to load them from the sibling targets
if (schema == null && targetsImport?.Document?.Schema != null)
{
TryImportIntellisenseImports(targetsImport.Document.Schema);
}
} catch (Exception ex) {
LoggingService.LogError($"Error building document '{projectPath}'", ex);
}
try {
var binpath = doc.RuntimeInformation.GetBinPath();
foreach (var t in Directory.GetFiles(binpath, "*.tasks"))
{
doc.LoadTasks(importedFiles, previous, t, propVals, taskBuilder, schemaProvider, token);
}
foreach (var t in Directory.GetFiles(binpath, "*.overridetasks"))
{
doc.LoadTasks(importedFiles, previous, t, propVals, taskBuilder, schemaProvider, token);
}
} catch (Exception ex) {
LoggingService.LogError("Error resolving tasks", ex);
}
try {
if (previous != null)
{
// try to recover some values that may have been collected from the imports, as they
// will not have been re-evaluated
var fx = previous.Frameworks.FirstOrDefault();
if (fx != null)
{
propVals.Collect("TargetFramework", fx.GetShortFolderName());
propVals.Collect("TargetFrameworkVersion", FrameworkInfoProvider.FormatDisplayVersion(fx.Version));
propVals.Collect("TargetFrameworkIdentifier", fx.Framework);
}
}
doc.Frameworks = propVals.GetFrameworks();
} catch (Exception ex) {
LoggingService.LogError("Error determining project framework", ex);
doc.Frameworks = new List <NuGetFramework> ();
}
try {
//this has to run in a second pass so that it runs after all the schemas are loaded
var validator = new MSBuildDocumentValidator();
validator.Run(doc.XDocument, filename, textDoc, doc);
} catch (Exception ex) {
LoggingService.LogError("Error in validation", ex);
}
return(doc);
}
public static MSBuildRootDocument Parse(
string filename, ITextSource textSource, MSBuildRootDocument previous,
MSBuildSchemaProvider schemaProvider, IRuntimeInformation runtimeInfo,
CancellationToken token)
{
var xmlParser = new XmlParser(new XmlRootState(), true);
try {
xmlParser.Parse(textSource.CreateReader());
} catch (Exception ex) {
LoggingService.LogError("Unhandled error parsing xml document", ex);
}
var xdocument = xmlParser.Nodes.GetRoot();
if (xdocument != null && xdocument.RootElement != null)
{
if (!xdocument.RootElement.IsEnded)
{
xdocument.RootElement.End(xmlParser.Location);
}
}
//FIXME: unfortunately the XML parser's regions only have line+col locations, not offsets
//so we need to create an ITextDocument to extract tag bodies
//we should fix this by changing the parser to use offsets for the tag locations
ITextDocument textDoc = textSource as ITextDocument
?? TextEditorFactory.CreateNewDocument(textSource, filename, MSBuildTextEditorExtension.MSBuildMimeType);
var propVals = new PropertyValueCollector(true);
string projectPath = filename;
var doc = new MSBuildRootDocument(filename);
doc.XDocument = xdocument;
doc.Text = textDoc;
doc.RuntimeInformation = runtimeInfo;
doc.Errors.AddRange(xmlParser.Errors);
var importedFiles = new HashSet <string> (StringComparer.OrdinalIgnoreCase);
importedFiles.Add(filename);
var taskBuilder = new TaskMetadataBuilder(doc);
try {
doc.Build(
xdocument, textDoc, runtimeInfo, propVals, taskBuilder,
(imp, sdk) => doc.ResolveImport(importedFiles, previous, projectPath, filename, imp, sdk, propVals, taskBuilder, schemaProvider, token)
);
} catch (Exception ex) {
LoggingService.LogError("Error building document", ex);
}
try {
var binpath = doc.RuntimeInformation.GetBinPath();
foreach (var t in Directory.GetFiles(binpath, "*.tasks"))
{
doc.LoadTasks(importedFiles, previous, t, propVals, taskBuilder, schemaProvider, token);
}
foreach (var t in Directory.GetFiles(binpath, "*.overridetasks"))
{
doc.LoadTasks(importedFiles, previous, t, propVals, taskBuilder, schemaProvider, token);
}
} catch (Exception ex) {
LoggingService.LogError("Error resolving tasks", ex);
}
try {
if (previous != null)
{
// try to recover some values that may have been collected from the imports, as they
// will not have been re-evaluated
var fx = previous.Frameworks.FirstOrDefault();
if (fx != null)
{
propVals.Collect("TargetFramework", fx.GetShortFolderName());
propVals.Collect("TargetFrameworkVersion", FrameworkInfoProvider.FormatDisplayVersion(fx.Version));
propVals.Collect("TargetFrameworkIdentifier", fx.Framework);
}
}
doc.Frameworks = propVals.GetFrameworks();
} catch (Exception ex) {
LoggingService.LogError("Error determining project framework", ex);
doc.Frameworks = new List <NuGetFramework> ();
}
try {
doc.Schema = previous?.Schema ?? schemaProvider.GetSchema(filename, null);
} catch (Exception ex) {
LoggingService.LogError("Error loading schema", ex);
}
try {
//this has to run in a second pass so that it runs after all the schemas are loaded
var validator = new MSBuildDocumentValidator();
validator.Run(doc.XDocument, filename, textDoc, doc);
} catch (Exception ex) {
LoggingService.LogError("Error in validation", ex);
}
return(doc);
}