/// <inheritdoc />
public override bool TryProject(Context context, SymbolAtom name, ModuleLiteral origin, out EvaluationResult result, LineInfo location)
{
if (name == context.ContextTree.CommonConstants.Length)
{
result = EvaluationResult.Create(Length);
return(true);
}
var resolvedMember = ((ModuleRegistry)context.FrontEndHost.ModuleRegistry).PredefinedTypes.AmbientArray.ResolveMember(this, name);
if (resolvedMember == null)
{
// Array literals could not have arbitrary members.
// So if the name was not resolved, reporting an error.
// var locationForLogging = LocationForLogging(context, origin);
var locationForLogging = UniversalLocation.FromLineInfo(location, origin.Path, context.PathTable);
context.Logger.ReportMissingInstanceMember(
context.LoggingContext,
locationForLogging.AsLoggingLocation(),
name.ToDisplayString(context),
DisplayStringHelper.TypeToString(GetType(), context),
context.GetStackTraceAsString(locationForLogging));
result = EvaluationResult.Error;
}
else
{
result = EvaluationResult.Create(resolvedMember);
}
return(true);
}
/// <summary>
/// Adds a namespace with a given name.
/// </summary>
internal virtual void AddNamespace(FullSymbol name, UniversalLocation location, QualifierSpaceId?qualifierSpaceId, out TypeOrNamespaceModuleLiteral module)
{
Contract.Requires(name.IsValid);
Contract.Requires(Qualifier == QualifierValue.Unqualified);
Contract.Assert(IsFileOrGlobal, "Current instance should be a file module or global ambient module");
lock (m_syncRoot)
{
m_nsBindings = m_nsBindings ?? new NsBindingDictionary();
if (m_nsBindings.ContainsKey(name))
{
var moduleBinding = m_nsBindings[name];
Contract.Assert(moduleBinding.Body is TypeOrNamespaceModuleLiteral);
module = (TypeOrNamespaceModuleLiteral)moduleBinding.Body;
return;
}
module = CreateTypeOrNamespaceModule(name, outerScope: this, location: location.AsLineInfo());
// Module is always exported.
m_nsBindings.Add(name, new ModuleBinding(module, Declaration.DeclarationFlags.Export, location.AsLineInfo()));
}
}
/// <inheritdoc />
internal override void AddType(FullSymbol name, UniversalLocation location, QualifierSpaceId?qualifierSpaceId, out TypeOrNamespaceModuleLiteral module)
{
module = CreateTypeOrNamespaceModule(name, outerScope: this, location: location.AsLineInfo());
Contract.Assert(qualifierSpaceId == null, "Only namespace support qualifier types");
AddResolvedEntry(location.AsFilePosition(), new ResolvedEntry(name, module));
}
/// <nodoc />
public ImportAliasExpression(DeserializationContext context, LineInfo location)
: base(location)
{
var reader = context.Reader;
m_referencedPath = reader.ReadAbsolutePath();
m_referencingLocation = new UniversalLocation(context, location);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="referencedPath">Referenced absolute path to be aliased.</param>
/// <param name="referencingLocation">Location of the expression. Includes absolute path for the file containing this expression, which may be consumed for error reporting.</param>
public ImportAliasExpression(AbsolutePath referencedPath, UniversalLocation referencingLocation)
: base(referencingLocation)
{
Contract.Requires(referencedPath.IsValid);
m_referencedPath = referencedPath;
m_referencingLocation = referencingLocation;
}
/// <summary>
/// Constructor which deserializes from the given DeserializationContext.
/// </summary>
public CoerceQualifierTypeExpression(DeserializationContext context, LineInfo location)
: base(location)
{
TargetExpression = ReadExpression(context);
TargetQualifierSpaceId = context.Reader.ReadQualifierSpaceId();
ShouldUseDefaultsOnCoercion = context.Reader.ReadBoolean();
ReferencedLocation = new UniversalLocation(context, location);
}
/// <inheritdoc />
internal override void AddNamespace(FullSymbol name, UniversalLocation location, QualifierSpaceId?qualifierSpaceId, out TypeOrNamespaceModuleLiteral module)
{
module = CreateTypeOrNamespaceModule(name, outerScope: this, location: location.AsLineInfo());
Contract.Assert(qualifierSpaceId != null, "Qualifier type should be provided for a semantic evaluation");
m_moduleRegistry.AddUninstantiatedModuleInfo(new UninstantiatedModuleInfo(sourceFile: null, typeOrNamespaceLiteral: module, qualifierSpaceId: qualifierSpaceId.Value));
AddResolvedEntry(location.AsFilePosition(), new ResolvedEntry(name, module));
}
/// <nodoc />
private VariableDefinition(SymbolAtom name, int index, UniversalLocation locationDefinition, bool isConstant)
{
Contract.Requires(name.IsValid);
Name = name;
Index = index;
LocationDefinition = locationDefinition;
IsConstant = isConstant;
}
/// <nodoc/>
public CoerceQualifierTypeExpression(Expression targetExpression, QualifierSpaceId targetQualifierSpaceId, bool shouldUseDefault, LineInfo referencingLocation, UniversalLocation referencedLocation)
: base(referencingLocation)
{
Contract.Requires(targetExpression != null, "targetExpression != null");
Contract.Requires(targetQualifierSpaceId.IsValid, "targetQualifierSpaceId.IsValid");
TargetExpression = targetExpression;
TargetQualifierSpaceId = targetQualifierSpaceId;
ShouldUseDefaultsOnCoercion = shouldUseDefault;
ReferencedLocation = referencedLocation;
}
private EvaluationResult ReportError(Context context, UnaryExpression spread)
{
var location = UniversalLocation.FromLineInfo(spread.Location, m_path, context.PathTable);
context.Logger.ReportFailResolveSelectorDueToUndefined(
context.LoggingContext,
location.AsLoggingLocation(),
spread.Expression.ToDisplayString(context),
spread.ToDisplayString(context),
context.GetStackTraceAsString(location));
return(EvaluationResult.Error);
}
/// <summary>
/// Adds a type with a given name.
/// qualifierSpaceId is null for V1 and not null for v2.
/// This is needed for a semantic-based evaluation and helps to filter nested variable declarations from the evaluation.
/// </summary>
internal virtual void AddType(FullSymbol name, UniversalLocation location, QualifierSpaceId?qualifierSpaceId, out TypeOrNamespaceModuleLiteral module)
{
AddNamespace(name, location, qualifierSpaceId, out module);
}
public void TestCoerceQualifierTypeExpression()
{
CoerceQualifierTypeExpression node = new CoerceQualifierTypeExpression(GetExpression1(), m_qualifierSpaceId, false, DefaultLineInfo, UniversalLocation.FromLineInfo(DefaultLineInfo, GetAbsolutePath(), m_pathTable));
CheckSerializationRoundTrip(node);
}
public void TestImportAliasExpression()
{
ImportAliasExpression node = new ImportAliasExpression(GetAbsolutePath(), UniversalLocation.FromLineInfo(DefaultLineInfo, GetAbsolutePath(), m_pathTable));
CheckSerializationRoundTrip(node);
}
/// <inheritdoc/>
public override void ReportError(EvaluationErrors errors, ModuleLiteral environment, LineInfo location, Expression expression, Context context)
{
errors.ReportContractFail(environment, Message, location, context.GetStackTraceAsString(UniversalLocation.FromLineInfo(location, environment.Path, context.PathTable)));
}