private AsyncLazy <VersionStamp> CreateLazyLatestDocumentTopLevelChangeVersion(
TextDocumentState newDocument,
TextDocumentStates <DocumentState> newDocumentStates,
TextDocumentStates <TextDocumentState> newAdditionalDocumentStates
)
{
if (_lazyLatestDocumentTopLevelChangeVersion.TryGetValue(out var oldVersion))
{
return(new AsyncLazy <VersionStamp>(
c => ComputeTopLevelChangeTextVersionAsync(oldVersion, newDocument, c),
cacheResult: true
));
}
else
{
return(new AsyncLazy <VersionStamp>(
c =>
ComputeLatestDocumentTopLevelChangeVersionAsync(
newDocumentStates,
newAdditionalDocumentStates,
c
),
cacheResult: true
));
}
}
public ProjectState UpdateAdditionalDocument(TextDocumentState newDocument, bool textChanged, bool recalculateDependentVersions)
{
Contract.Requires(this.ContainsAdditionalDocument(newDocument.Id));
var oldDocument = this.GetAdditionalDocumentState(newDocument.Id);
if (oldDocument == newDocument)
{
return(this);
}
var newDocumentStates = this.AdditionalDocumentStates.SetItem(newDocument.Id, newDocument);
AsyncLazy <VersionStamp> dependentDocumentVersion;
AsyncLazy <VersionStamp> dependentSemanticVersion;
GetLatestDependentVersions(
this.documentStates, newDocumentStates, oldDocument, newDocument, recalculateDependentVersions, textChanged,
out dependentDocumentVersion, out dependentSemanticVersion);
return(this.With(
additionalDocumentStates: newDocumentStates,
latestDocumentVersion: dependentDocumentVersion,
latestDocumentTopLevelChangeVersion: dependentSemanticVersion));
}
internal TextDocument(Project project, TextDocumentState state)
{
Contract.ThrowIfNull(project);
Contract.ThrowIfNull(state);
this.Project = project;
State = state;
}
internal TextDocument(Project project, TextDocumentState state)
{
Contract.ThrowIfNull(project);
Contract.ThrowIfNull(state);
this.Project = project;
State = state;
}
#pragma warning restore IDE0052 // Remove unread private members
public TouchAdditionalDocumentAction(
TextDocumentState oldState,
TextDocumentState newState
)
{
_oldState = oldState;
_newState = newState;
}
public ProjectState AddAdditionalDocument(TextDocumentState document)
{
Debug.Assert(!this.AdditionalDocumentStates.ContainsKey(document.Id));
return(this.With(
projectInfo: this.ProjectInfo.WithVersion(this.Version.GetNewerVersion()),
additionalDocumentIds: _additionalDocumentIds.Add(document.Id),
additionalDocumentStates: _additionalDocumentStates.Add(document.Id, document)));
}
public bool HasTextChanged(TextDocumentState oldState, bool ignoreUnchangeableDocument)
{
if (ignoreUnchangeableDocument && !oldState.CanApplyChange())
{
return(false);
}
return(oldState.TextAndVersionSource != TextAndVersionSource);
}
public ProjectState AddAdditionalDocument(TextDocumentState document)
{
Contract.Requires(!this.AdditionalDocumentStates.ContainsKey(document.Id));
return(this.With(
projectInfo: this.ProjectInfo.WithVersion(this.Version.GetNewerVersion()).WithAdditionalDocuments(this.ProjectInfo.AdditionalDocuments.Concat(document.Info)),
additionalDocumentIds: this.AdditionalDocumentIds.ToImmutableArray().Add(document.Id),
additionalDocumentStates: this.AdditionalDocumentStates.Add(document.Id, document)));
}
private static async Task <VersionStamp> ComputeTopLevelChangeTextVersionAsync(
VersionStamp oldVersion,
TextDocumentState newDocument,
CancellationToken cancellationToken
)
{
var newVersion = await newDocument
.GetTopLevelChangeTextVersionAsync(cancellationToken)
.ConfigureAwait(false);
return(newVersion.GetNewerVersion(oldVersion));
}
private AsyncLazy <VersionStamp> CreateLazyLatestDocumentTopLevelChangeVersion(
TextDocumentState newDocument,
ImmutableDictionary <DocumentId, DocumentState> newDocumentStates,
ImmutableDictionary <DocumentId, TextDocumentState> newAdditionalDocumentStates)
{
VersionStamp oldVersion;
if (this.lazyLatestDocumentTopLevelChangeVersion.TryGetValue(out oldVersion))
{
return(new AsyncLazy <VersionStamp>(c => ComputeTopLevelChangeTextVersionAsync(oldVersion, newDocument, c), cacheResult: true));
}
else
{
return(new AsyncLazy <VersionStamp>(c => ComputeLatestDocumentTopLevelChangeVersionAsync(newDocumentStates, newAdditionalDocumentStates, c), cacheResult: true));
}
}
private void GetLatestDependentVersions(
ImmutableDictionary <DocumentId, DocumentState> newDocumentStates,
ImmutableDictionary <DocumentId, TextDocumentState> newAdditionalDocumentStates,
TextDocumentState oldDocument, TextDocumentState newDocument,
bool recalculateDependentVersions, bool textChanged,
out AsyncLazy <VersionStamp> dependentDocumentVersion, out AsyncLazy <VersionStamp> dependentSemanticVersion)
{
var recalculateDocumentVersion = false;
var recalculateSemanticVersion = false;
if (recalculateDependentVersions)
{
VersionStamp oldVersion;
if (oldDocument.TryGetTextVersion(out oldVersion))
{
VersionStamp documentVersion;
if (!this.lazyLatestDocumentVersion.TryGetValue(out documentVersion) || documentVersion == oldVersion)
{
recalculateDocumentVersion = true;
}
VersionStamp semanticVersion;
if (!this.lazyLatestDocumentTopLevelChangeVersion.TryGetValue(out semanticVersion) || semanticVersion == oldVersion)
{
recalculateSemanticVersion = true;
}
}
}
dependentDocumentVersion = recalculateDocumentVersion ?
new AsyncLazy <VersionStamp>(c => ComputeLatestDocumentVersionAsync(newDocumentStates, newAdditionalDocumentStates, c), cacheResult: true) :
textChanged ?
new AsyncLazy <VersionStamp>(newDocument.GetTextVersionAsync, cacheResult: true) :
this.lazyLatestDocumentVersion;
dependentSemanticVersion = recalculateSemanticVersion ?
new AsyncLazy <VersionStamp>(c => ComputeLatestDocumentTopLevelChangeVersionAsync(newDocumentStates, newAdditionalDocumentStates, c), cacheResult: true) :
textChanged?
CreateLazyLatestDocumentTopLevelChangeVersion(newDocument, newDocumentStates, newAdditionalDocumentStates) :
this.lazyLatestDocumentTopLevelChangeVersion;
}
public ProjectState UpdateAdditionalDocument(TextDocumentState newDocument, bool textChanged, bool recalculateDependentVersions)
{
Debug.Assert(this.ContainsAdditionalDocument(newDocument.Id));
var oldDocument = this.GetAdditionalDocumentState(newDocument.Id) !;
if (oldDocument == newDocument)
{
return(this);
}
var newDocumentStates = _additionalDocumentStates.SetItem(newDocument.Id, newDocument);
GetLatestDependentVersions(
_documentStates, newDocumentStates, oldDocument, newDocument, recalculateDependentVersions, textChanged,
out var dependentDocumentVersion, out var dependentSemanticVersion);
return(this.With(
additionalDocumentStates: newDocumentStates,
latestDocumentVersion: dependentDocumentVersion,
latestDocumentTopLevelChangeVersion: dependentSemanticVersion));
}
public ProjectState UpdateAdditionalDocument(TextDocumentState newDocument, bool textChanged, bool recalculateDependentVersions)
{
Contract.Requires(this.ContainsAdditionalDocument(newDocument.Id));
var oldDocument = this.GetAdditionalDocumentState(newDocument.Id);
if (oldDocument == newDocument)
{
return this;
}
var newDocumentStates = this.AdditionalDocumentStates.SetItem(newDocument.Id, newDocument);
AsyncLazy<VersionStamp> dependentDocumentVersion;
AsyncLazy<VersionStamp> dependentSemanticVersion;
GetLatestDependentVersions(
_documentStates, newDocumentStates, oldDocument, newDocument, recalculateDependentVersions, textChanged,
out dependentDocumentVersion, out dependentSemanticVersion);
return this.With(
additionalDocumentStates: newDocumentStates,
latestDocumentVersion: dependentDocumentVersion,
latestDocumentTopLevelChangeVersion: dependentSemanticVersion);
}
internal ProjectState(ProjectInfo projectInfo, HostLanguageServices languageServices, SolutionServices solutionServices)
{
Contract.ThrowIfNull(projectInfo);
Contract.ThrowIfNull(languageServices);
Contract.ThrowIfNull(solutionServices);
this.languageServices = languageServices;
this.solutionServices = solutionServices;
this.projectInfo = FixProjectInfo(projectInfo);
this.documentIds = this.projectInfo.Documents.Select(d => d.Id).ToImmutableArray();
this.additionalDocumentIds = this.ProjectInfo.AdditionalDocuments.Select(d => d.Id).ToImmutableArray();
var docStates = ImmutableDictionary.CreateRange <DocumentId, DocumentState>(
this.projectInfo.Documents.Select(d =>
new KeyValuePair <DocumentId, DocumentState>(d.Id,
CreateDocument(this.ProjectInfo, d, languageServices, solutionServices))));
this.documentStates = docStates;
var additionalDocStates = ImmutableDictionary.CreateRange <DocumentId, TextDocumentState>(
this.projectInfo.AdditionalDocuments.Select(d =>
new KeyValuePair <DocumentId, TextDocumentState>(d.Id, TextDocumentState.Create(d, solutionServices))));
this.additionalDocumentStates = additionalDocStates;
this.lazyLatestDocumentVersion = new AsyncLazy <VersionStamp>(c => ComputeLatestDocumentVersionAsync(docStates, additionalDocStates, c), cacheResult: true);
this.lazyLatestDocumentTopLevelChangeVersion = new AsyncLazy <VersionStamp>(c => ComputeLatestDocumentTopLevelChangeVersionAsync(docStates, additionalDocStates, c), cacheResult: true);
}
public bool HasInfoChanged(TextDocumentState oldState) => oldState.Attributes != Attributes;
public bool HasInfoChanged(TextDocumentState oldState)
{
return(oldState.Attributes != Attributes);
}
private AsyncLazy<VersionStamp> CreateLazyLatestDocumentTopLevelChangeVersion(
TextDocumentState newDocument,
ImmutableDictionary<DocumentId, DocumentState> newDocumentStates,
ImmutableDictionary<DocumentId, TextDocumentState> newAdditionalDocumentStates)
{
VersionStamp oldVersion;
if (_lazyLatestDocumentTopLevelChangeVersion.TryGetValue(out oldVersion))
{
return new AsyncLazy<VersionStamp>(c => ComputeTopLevelChangeTextVersionAsync(oldVersion, newDocument, c), cacheResult: true);
}
else
{
return new AsyncLazy<VersionStamp>(c => ComputeLatestDocumentTopLevelChangeVersionAsync(newDocumentStates, newAdditionalDocumentStates, c), cacheResult: true);
}
}
private SolutionState WithTextDocumentState(TextDocumentState newDocument, bool textChanged = false, bool recalculateDependentVersions = false)
{
if (newDocument == null)
{
throw new ArgumentNullException(nameof(newDocument));
}
CheckContainsAdditionalDocument(newDocument.Id);
if (newDocument == this.GetAdditionalDocumentState(newDocument.Id))
{
// old and new documents are the same instance
return this;
}
var oldProject = this.GetProjectState(newDocument.Id.ProjectId);
var newProject = oldProject.UpdateAdditionalDocument(newDocument, textChanged, recalculateDependentVersions);
if (oldProject == newProject)
{
// old and new projects are the same instance
return this;
}
return this.ForkProject(newProject);
}
private Solution AddAdditionalDocument(TextDocumentState state)
{
if (state == null)
{
throw new ArgumentNullException(nameof(state));
}
CheckContainsProject(state.Id.ProjectId);
var oldProject = this.GetProjectState(state.Id.ProjectId);
var newProject = oldProject.AddAdditionalDocument(state);
return this.ForkProject(newProject);
}
public ProjectState(ProjectInfo projectInfo, HostLanguageServices languageServices, SolutionServices solutionServices)
{
Contract.ThrowIfNull(projectInfo);
Contract.ThrowIfNull(languageServices);
Contract.ThrowIfNull(solutionServices);
_languageServices = languageServices;
_solutionServices = solutionServices;
var projectInfoFixed = FixProjectInfo(projectInfo);
_documentIds = projectInfoFixed.Documents.Select(d => d.Id).ToImmutableList();
_additionalDocumentIds = projectInfoFixed.AdditionalDocuments.Select(d => d.Id).ToImmutableList();
var parseOptions = projectInfoFixed.ParseOptions;
var docStates = ImmutableSortedDictionary.CreateRange(DocumentIdComparer.Instance,
projectInfoFixed.Documents.Select(d =>
new KeyValuePair <DocumentId, DocumentState>(d.Id,
CreateDocument(d, parseOptions, languageServices, solutionServices))));
_documentStates = docStates;
var additionalDocStates = ImmutableSortedDictionary.CreateRange(DocumentIdComparer.Instance,
projectInfoFixed.AdditionalDocuments.Select(d =>
new KeyValuePair <DocumentId, TextDocumentState>(d.Id, TextDocumentState.Create(d, solutionServices))));
_additionalDocumentStates = additionalDocStates;
_lazyLatestDocumentVersion = new AsyncLazy <VersionStamp>(c => ComputeLatestDocumentVersionAsync(docStates, additionalDocStates, c), cacheResult: true);
_lazyLatestDocumentTopLevelChangeVersion = new AsyncLazy <VersionStamp>(c => ComputeLatestDocumentTopLevelChangeVersionAsync(docStates, additionalDocStates, c), cacheResult: true);
// ownership of information on document has moved to project state. clear out documentInfo the state is
// holding on. otherwise, these information will be held onto unnecesarily by projectInfo even after
// the info has changed by DocumentState.
// we hold onto the info so that we don't need to duplicate all information info already has in the state
_projectInfo = ClearAllDocumentsFromProjectInfo(projectInfoFixed);
_lazyChecksums = new AsyncLazy <ProjectStateChecksums>(ComputeChecksumsAsync, cacheResult: true);
}
private static async Task<VersionStamp> ComputeTopLevelChangeTextVersionAsync(VersionStamp oldVersion, TextDocumentState newDocument, CancellationToken cancellationToken)
{
var newVersion = await newDocument.GetTopLevelChangeTextVersionAsync(cancellationToken).ConfigureAwait(false);
return newVersion.GetNewerVersion(oldVersion);
}
public ProjectState AddAdditionalDocument(TextDocumentState document)
{
Contract.Requires(!this.AdditionalDocumentStates.ContainsKey(document.Id));
return this.With(
projectInfo: this.ProjectInfo.WithVersion(this.Version.GetNewerVersion()).WithAdditionalDocuments(this.ProjectInfo.AdditionalDocuments.Concat(document.Info)),
additionalDocumentIds: this.AdditionalDocumentIds.ToImmutableArray().Add(document.Id),
additionalDocumentStates: this.AdditionalDocumentStates.Add(document.Id, document));
}
private void GetLatestDependentVersions(
ImmutableDictionary<DocumentId, DocumentState> newDocumentStates,
ImmutableDictionary<DocumentId, TextDocumentState> newAdditionalDocumentStates,
TextDocumentState oldDocument, TextDocumentState newDocument,
bool recalculateDependentVersions, bool textChanged,
out AsyncLazy<VersionStamp> dependentDocumentVersion, out AsyncLazy<VersionStamp> dependentSemanticVersion)
{
var recalculateDocumentVersion = false;
var recalculateSemanticVersion = false;
if (recalculateDependentVersions)
{
VersionStamp oldVersion;
if (oldDocument.TryGetTextVersion(out oldVersion))
{
VersionStamp documentVersion;
if (!_lazyLatestDocumentVersion.TryGetValue(out documentVersion) || documentVersion == oldVersion)
{
recalculateDocumentVersion = true;
}
VersionStamp semanticVersion;
if (!_lazyLatestDocumentTopLevelChangeVersion.TryGetValue(out semanticVersion) || semanticVersion == oldVersion)
{
recalculateSemanticVersion = true;
}
}
}
dependentDocumentVersion = recalculateDocumentVersion ?
new AsyncLazy<VersionStamp>(c => ComputeLatestDocumentVersionAsync(newDocumentStates, newAdditionalDocumentStates, c), cacheResult: true) :
textChanged ?
new AsyncLazy<VersionStamp>(newDocument.GetTextVersionAsync, cacheResult: true) :
_lazyLatestDocumentVersion;
dependentSemanticVersion = recalculateSemanticVersion ?
new AsyncLazy<VersionStamp>(c => ComputeLatestDocumentTopLevelChangeVersionAsync(newDocumentStates, newAdditionalDocumentStates, c), cacheResult: true) :
textChanged ?
CreateLazyLatestDocumentTopLevelChangeVersion(newDocument, newDocumentStates, newAdditionalDocumentStates) :
_lazyLatestDocumentTopLevelChangeVersion;
}
public ProjectState(ProjectInfo projectInfo, HostLanguageServices languageServices, SolutionServices solutionServices)
{
Contract.ThrowIfNull(projectInfo);
Contract.ThrowIfNull(languageServices);
Contract.ThrowIfNull(solutionServices);
_languageServices = languageServices;
_solutionServices = solutionServices;
_projectInfo = FixProjectInfo(projectInfo);
_documentIds = _projectInfo.Documents.Select(d => d.Id).ToImmutableArray();
_additionalDocumentIds = _projectInfo.AdditionalDocuments.Select(d => d.Id).ToImmutableArray();
var docStates = ImmutableDictionary.CreateRange <DocumentId, DocumentState>(
_projectInfo.Documents.Select(d =>
new KeyValuePair <DocumentId, DocumentState>(d.Id,
CreateDocument(_projectInfo, d, languageServices, solutionServices))));
_documentStates = docStates;
var additionalDocStates = ImmutableDictionary.CreateRange <DocumentId, TextDocumentState>(
_projectInfo.AdditionalDocuments.Select(d =>
new KeyValuePair <DocumentId, TextDocumentState>(d.Id, TextDocumentState.Create(d, solutionServices))));
_additionalDocumentStates = additionalDocStates;
_lazyLatestDocumentVersion = new AsyncLazy <VersionStamp>(c => ComputeLatestDocumentVersionAsync(docStates, additionalDocStates, c), cacheResult: true);
_lazyLatestDocumentTopLevelChangeVersion = new AsyncLazy <VersionStamp>(c => ComputeLatestDocumentTopLevelChangeVersionAsync(docStates, additionalDocStates, c), cacheResult: true);
// for now, let it re-calculate if anything changed.
// TODO: optimize this so that we only re-calcuate checksums that are actually changed
_lazyChecksums = new AsyncLazy <ProjectStateChecksums>(ComputeChecksumsAsync, cacheResult: true);
}
