private MultiDictionary <string, IConceptParser> CreateGenericParsers()
{
var stopwatch = Stopwatch.StartNew();
var conceptMetadata = _conceptInfoPlugins
.Select(conceptInfo => conceptInfo.GetType())
.Distinct()
.Select(conceptInfoType => new
{
conceptType = conceptInfoType,
conceptKeyword = ConceptInfoHelper.GetKeyword(conceptInfoType)
})
.Where(cm => cm.conceptKeyword != null)
.ToList();
_keywordsLogger.Trace(() => string.Join(" ", conceptMetadata.Select(cm => cm.conceptKeyword).OrderBy(keyword => keyword).Distinct()));
var result = conceptMetadata.ToMultiDictionary(x => x.conceptKeyword, x =>
{
var parser = new GenericParser(x.conceptType, x.conceptKeyword);
parser.OnMemberRead += _onMemberRead;
return((IConceptParser)parser);
}, StringComparer.OrdinalIgnoreCase);
_performanceLogger.Write(stopwatch, "CreateGenericParsers.");
return(result);
}
private void ReportObsoleteConcepts(DslContainer dslContainer)
{
var obsoleteConceptsByType = dslContainer.Concepts
.GroupBy(concept => concept.GetType())
.Select(conceptsGroup => new
{
ConceptType = conceptsGroup.Key,
ConceptKeyword = ConceptInfoHelper.GetKeywordOrTypeName(conceptsGroup.Key),
Concepts = conceptsGroup.ToList(),
ObsoleteAttribute = (ObsoleteAttribute)conceptsGroup.Key.GetCustomAttributes(typeof(ObsoleteAttribute), false).SingleOrDefault()
})
.Where(conceptsGroup => conceptsGroup.ObsoleteAttribute != null)
.ToList();
// Obsolete concepts in the report are grouped by concept keyword and obsolete message.
var obsoleteConceptsByUserReport = obsoleteConceptsByType
.GroupBy(conceptsGroup => new { conceptsGroup.ConceptKeyword, conceptsGroup.ObsoleteAttribute.Message })
.Select(conceptsGroup => new
{
conceptsGroup.Key.ConceptKeyword,
ObsoleteMessage = conceptsGroup.Key.Message,
Concepts = conceptsGroup.SelectMany(group => group.Concepts)
})
.ToList();
foreach (var conceptsGroup in obsoleteConceptsByUserReport)
{
_logger.Warning(() => string.Format("Obsolete concept {0} ({1} occurrences). {2}",
conceptsGroup.Concepts.First().GetUserDescription(),
conceptsGroup.Concepts.Count(),
conceptsGroup.ObsoleteMessage));
}
}
private DslContainer Initialize(DslContainer dslContainer)
{
var swTotal = Stopwatch.StartNew();
var nodes = _dslParser.GetConcepts();
var swConvert = Stopwatch.StartNew();
var parsedConcepts = ConceptInfoHelper.ConvertNodesToConceptInfos(nodes);
_performanceLogger.Write(swConvert, nameof(ConceptInfoHelper.ConvertNodesToConceptInfos));
var alternativeInitializationGeneratedReferences = InitializeAlternativeInitializationConcepts(parsedConcepts);
var swFirstAdd = Stopwatch.StartNew();
dslContainer.AddNewConceptsAndReplaceReferences(new[] { CreateInitializationConcept() });
dslContainer.AddNewConceptsAndReplaceReferences(parsedConcepts);
dslContainer.AddNewConceptsAndReplaceReferences(alternativeInitializationGeneratedReferences);
_performanceLogger.Write(swFirstAdd, $"Initialize: First AddNewConceptsAndReplaceReferences ({dslContainer.Concepts.Count()} concepts).");
ExpandMacroConcepts(dslContainer);
CheckSemantics(dslContainer);
dslContainer.SortReferencesBeforeUsingConcept(_buildOptions.InitialConceptsSort);
ReportObsoleteConcepts(dslContainer);
_dslModelFile.SaveConcepts(dslContainer.Concepts);
_performanceLogger.Write(swTotal, $"Initialize ({dslContainer.Concepts.Count()} concepts).");
return(dslContainer);
}
private static ConceptType CreateConceptTypePartial(Type conceptInfoType)
{
if (!typeof(IConceptInfo).IsAssignableFrom(conceptInfoType))
{
throw new ArgumentException($"Type '{conceptInfoType}' is not an implementation of '{typeof(IConceptInfo)}'.");
}
if (typeof(IConceptInfo) == conceptInfoType)
{
throw new ArgumentException($"{nameof(ConceptType)} cannot be created from {nameof(IConceptInfo)} interface. An implementation class is required.");
}
return(new ConceptType
{
AssemblyQualifiedName = conceptInfoType.AssemblyQualifiedName,
BaseTypes = null, // Will be set later, because it needs to reference other ConceptTypes, after all are created.
TypeName = conceptInfoType.Name,
Keyword = ConceptInfoHelper.GetKeyword(conceptInfoType),
Members = null, // Will be set later, to avoid recursive dependencies when creating these objects.
});
}
protected IEnumerable <IConceptParser> CreateGenericParsers()
{
var stopwatch = Stopwatch.StartNew();
var conceptMetadata = _conceptInfoPlugins
.Select(conceptInfo => conceptInfo.GetType())
.Distinct()
.Select(conceptInfoType => new
{
conceptType = conceptInfoType,
conceptKeyword = ConceptInfoHelper.GetKeyword(conceptInfoType)
})
.Where(cm => cm.conceptKeyword != null)
.ToList();
_keywordsLogger.Trace(() => string.Join(" ", conceptMetadata.Select(cm => cm.conceptKeyword).OrderBy(keyword => keyword).Distinct()));
var result = conceptMetadata.Select(cm => new GenericParser(cm.conceptType, cm.conceptKeyword)).ToList <IConceptParser>();
_performanceLogger.Write(stopwatch, "DslParser.CreateGenericParsers.");
return(result);
}
public ValueOrError <object> ReadMemberValue(ConceptMember member, ITokenReader tokenReader, IConceptInfo lastConcept,
bool firstMember, ref bool lastPropertyWasInlineParent, ref bool lastConceptUsed, bool readingAReference)
{
try
{
if (lastPropertyWasInlineParent && member.IsKey && !member.IsConceptInfo) // TODO: Removing "IsConceptInfo" from this condition would produce a mismatch. Think of a better solution for parsing the concept key.
{
if (!tokenReader.TryRead("."))
{
return(ValueOrError <object> .CreateError(string.Format(
"Parent property and the following key value ({0}) must be separated with a dot. Expected \".\"",
member.Name)));
}
}
lastPropertyWasInlineParent = false;
if (member.IsStringType)
{
return(tokenReader.ReadText().ChangeType <object>());
}
if (member.ValueType == typeof(IConceptInfo))
{
if (firstMember && lastConcept != null)
{
lastConceptUsed = true;
return((object)lastConcept);
}
else
{
return(ValueOrError <object> .CreateError("Member of type IConceptInfo can only be used as a first member and enclosed within the referenced parent concept."));
}
}
if (member.IsConceptInfo && lastConcept != null && member.ValueType.IsInstanceOfType(lastConcept) &&
member.ValueType.IsAssignableFrom(ConceptInfoType)) // Recursive "parent" property
{
lastConceptUsed = true;
return((object)lastConcept);
}
if (member.IsConceptInfo && lastConcept != null && member.ValueType.IsInstanceOfType(lastConcept) &&
firstMember)
{
lastConceptUsed = true;
return((object)lastConcept);
}
if (member.IsConceptInfo && firstMember)
{
if (member.ValueType == ConceptInfoType)
{
return(ValueOrError.CreateError(string.Format(
"Recursive concept {0} cannot be used as a root because its parent property ({1}) must reference another concept. Use a non-recursive concept for the root and a derivation of the root concept with additional parent property as a recursive concept.",
ConceptInfoHelper.GetKeywordOrTypeName(ConceptInfoType), member.Name)));
}
if (!readingAReference && Members.Where(m => m.IsParsable).Count() == 1)
{
// This validation is not necessary for consistent parsing. It is enforced simply to avoid ambiguity when parsing
// similar concepts such as "Logging { AllProperties; }", "History { AllProperties; }" and "Persisted { AllProperties; }".
var parentMembers = ConceptMembers.Get(member.ValueType).Where(m => m.IsParsable).ToArray();
if (parentMembers.Count() == 1 && parentMembers.Single().IsConceptInfo)
{
return(ValueOrError.CreateError(string.Format(
"{0} must be enclosed within the referenced parent concept {1}. A single-reference concept that references another single-reference concept must always be used with embedded syntax to avoid ambiguity.",
ConceptInfoHelper.GetKeywordOrTypeName(ConceptInfoType),
ConceptInfoHelper.GetKeywordOrTypeName(member.ValueType))));
}
}
GenericParser subParser = new GenericParser(member.ValueType, "");
lastConceptUsed = true;
lastPropertyWasInlineParent = true;
return(subParser.ParseMembers(tokenReader, lastConcept, true).ChangeType <object>());
}
if (member.IsConceptInfo)
{
GenericParser subParser = new GenericParser(member.ValueType, "");
return(subParser.ParseMembers(tokenReader, null, true).ChangeType <object>());
}
return(ValueOrError.CreateError(string.Format(
"GenericParser does not support members of type \"{0}\". Try using string or implementation of IConceptInfo.",
member.ValueType.Name)));
}
catch (DslSyntaxException ex)
{
return(ValueOrError <object> .CreateError(ex.Message));
}
}
private ValueOrError <object> ReadMemberValue(ConceptMember member, ITokenReader tokenReader, IConceptInfo useLastConcept,
bool firstMember, ref bool parsedFirstReferenceElement, bool readingAReference)
{
try
{
if (member.IsStringType)
{
if (useLastConcept != null)
{
return(ValueOrError <object> .CreateError($"This concept cannot be nested within {useLastConcept.GetType().Name}. Trying to read {ConceptInfoType.Name}."));
}
if (readingAReference && parsedFirstReferenceElement)
{
if (!tokenReader.TryRead("."))
{
return(ValueOrError <object> .CreateError(string.Format(
"Parent property and the following key value ({0}) must be separated with a dot. Expected \".\"",
member.Name)));
}
}
parsedFirstReferenceElement = true;
// Legacy syntax:
if (!readingAReference && member.IsKey && member.IsStringType && !firstMember)
{
if (tokenReader.TryRead("."))
{
AddWarning($"Obsolete syntax: Remove '.' from {Keyword} statement. {((TokenReader)tokenReader).ReportPosition()}.");
}
}
return(tokenReader.ReadText().ChangeType <object>());
}
if (member.ValueType == typeof(IConceptInfo))
{
if (useLastConcept != null)
{
return((object)useLastConcept);
}
else
{
return(ValueOrError <object> .CreateError($"Member of type IConceptInfo can only be nested within" +
$" the referenced parent concept. It must be a first member or marked with {nameof(ConceptParentAttribute)}."));
}
}
if (useLastConcept != null && member.ValueType.IsInstanceOfType(useLastConcept))
{
return((object)useLastConcept);
}
if (member.IsConceptInfo && firstMember && !readingAReference && Members.Count(m => m.IsParsable) == 1)
{
// This validation is not necessary for consistent parsing. It is enforced simply to avoid ambiguity for future concept overloads
// when parsing similar concepts such as "Logging { AllProperties; }", "History { AllProperties; }" and "Persisted { AllProperties; }".
var parentMembers = ConceptMembers.Get(member.ValueType).Where(m => m.IsParsable).ToArray();
if (parentMembers.Count() == 1 && parentMembers.Single().IsConceptInfo)
{
return(ValueOrError.CreateError($"{ConceptInfoHelper.GetKeywordOrTypeName(ConceptInfoType)} must be nested" +
$" within the referenced parent concept {ConceptInfoHelper.GetKeywordOrTypeName(member.ValueType)}." +
$" A single-reference concept that references another single-reference concept must always be used with nested syntax to avoid ambiguity."));
}
}
if (member.IsConceptInfo)
{
if (firstMember && member.ValueType == ConceptInfoType)
{
return(ValueOrError.CreateError(string.Format(
"Recursive concept {0} cannot be used as a root because its parent property ({1}) must reference another concept. Use a non-recursive concept for the root and a derivation of the root concept with additional parent property as a recursive concept.",
ConceptInfoHelper.GetKeywordOrTypeName(ConceptInfoType), member.Name)));
}
GenericParser subParser = new GenericParser(member.ValueType, "");
return(subParser.ParseMembers(tokenReader, useLastConcept, true, ref parsedFirstReferenceElement).ChangeType <object>());
}
return(ValueOrError.CreateError(string.Format(
"GenericParser does not support members of type \"{0}\". Try using string or implementation of IConceptInfo.",
member.ValueType.Name)));
}
catch (DslSyntaxException ex)
{
return(ValueOrError <object> .CreateError(ex.Message));
}
}