/// <summary>
/// Copy constructor
/// </summary>
/// <param name="otherDefinition">The scope to copy from</param>
public TypeDefinition(TypeDefinition otherDefinition)
: base(otherDefinition) {
this.IsPartial = otherDefinition.IsPartial;
this.Kind = otherDefinition.Kind;
this.ParentTypeCollection = new Collection<TypeUse>();
foreach(var parent in otherDefinition.ParentTypes) {
this.AddParentType(parent);
}
this.ParentTypes = new ReadOnlyCollection<TypeUse>(this.ParentTypeCollection);
}
/// <summary>
/// Returns the built-in type for the given type use
/// </summary>
/// <param name="use">the type use to locate</param>
/// <returns>A type definition that matches the type use; null if this is not a built-in</returns>
public static TypeDefinition GetBuiltIn(TypeUse use) {
if(!IsBuiltIn(use)) return null;
var key = new Tuple<Language, string>(use.ProgrammingLanguage, use.Name);
TypeDefinition builtIn;
if(!builtInTypeMap.TryGetValue(key, out builtIn)) {
builtIn = new TypeDefinition() {
Accessibility = AccessModifier.None,
Kind = TypeKind.BuiltIn,
Name = key.Item2,
ProgrammingLanguage = key.Item1,
};
builtInTypeMap[key] = builtIn;
}
return builtIn;
}
/// <summary>
/// Parses an element corresponding to a type definition and creates a TypeDefinition object
/// </summary>
/// <param name="typeElement">The type element to parse. This must be one of the elements contained in TypeElementNames.</param>
/// <param name="context">The parser context</param>
/// <returns>A TypeDefinition parsed from the element</returns>
protected override TypeDefinition ParseTypeElement(XElement typeElement, ParserContext context) {
if(null == typeElement)
throw new ArgumentNullException("typeElement");
if(context == null)
throw new ArgumentNullException("context");
var typeDefinition = new TypeDefinition() {
Accessibility = GetAccessModifierForType(typeElement),
Kind = XNameMaps.GetKindForXElement(typeElement),
Name = GetNameForType(typeElement),
ProgrammingLanguage = ParserLanguage
};
typeDefinition.AddLocation(context.CreateLocation(typeElement, ContainerIsReference(typeElement)));
foreach(var parentTypeElement in GetParentTypeUseElements(typeElement)) {
var parentTypeUse = ParseTypeUseElement(parentTypeElement, context);
typeDefinition.AddParentType(parentTypeUse);
}
var typeBlock = typeElement.Element(SRC.Block);
if(typeBlock != null) {
foreach(var child in typeBlock.Elements()) {
if(child.Name == SRC.Private) {
typeDefinition.AddChildStatements(ParseClassChildren(child, context, AccessModifier.Private));
} else if(child.Name == SRC.Protected) {
typeDefinition.AddChildStatements(ParseClassChildren(child, context, AccessModifier.Protected));
} else if(child.Name == SRC.Public) {
typeDefinition.AddChildStatements(ParseClassChildren(child, context, AccessModifier.Public));
} else {
typeDefinition.AddChildStatement(ParseStatement(child, context));
}
}
}
return typeDefinition;
}
/// <summary>
/// Given a class (TypeDefintion), return its parent classes
/// </summary>
/// <param name="curClass"></param>
/// <returns></returns>
public static IEnumerable<TypeDefinition> GetParentClasses(TypeDefinition curClass)
{
IEnumerable<TypeDefinition> parentClasses = curClass.GetParentTypes(true);
return parentClasses;
}
/// <summary>
/// Given a class, return all MethodDefinition in this class
/// </summary>
/// <param name="curClass"></param>
/// <returns></returns>
public static IEnumerable<MethodDefinition> GetAllMethodDefinitionsInOneClass(TypeDefinition curClass)
{
IEnumerable<MethodDefinition> methods = curClass.GetDescendants<MethodDefinition>();
return methods;
}
/// <summary>
/// Tests if this type use matches the signature for the given <paramref name="definition"/>.
/// </summary>
/// <param name="definition">the definition to compare to</param>
/// <returns>true if the signatures match; false otherwise</returns>
public bool SignatureMatches(TypeDefinition definition) {
//TODO: add checking for type arguments
return definition != null && definition.Name == this.Name;
}
/// <summary>
/// Parses a type element and pushes a it onto the <paramref name="context"/>.
/// </summary>
/// <param name="typeElement">the type element to parse</param>
/// <param name="context">The parser context</param>
public virtual void ParseTypeElement(XElement typeElement, ParserContext context) {
if(null == typeElement) throw new ArgumentNullException("typeElement");
var typeDefinition = new TypeDefinition() {
Accessibility = GetAccessModifierForType(typeElement),
Kind = XNameMaps.GetKindForXElement(typeElement),
Name = GetNameForType(typeElement),
};
foreach(var parentTypeElement in GetParentTypeUseElements(typeElement)) {
var parentTypeUse = ParseTypeUseElement(parentTypeElement, context);
typeDefinition.AddParentType(parentTypeUse);
}
context.Push(typeDefinition);
}
/// <summary>
/// Merges this type definition with <paramref name="otherScope"/>. This happens when <c>otherScope.CanBeMergedInto(this)</c> evaluates to true.
/// </summary>
/// <param name="otherScope">the scope to merge with</param>
/// <returns>a new type definition from this and otherScope, or null if they couldn't be merged</returns>
public override NamedScope Merge(NamedScope otherScope) {
TypeDefinition mergedScope = null;
if(otherScope != null) {
if(otherScope.CanBeMergedInto(this)) {
mergedScope = new TypeDefinition(this);
mergedScope.AddFrom(otherScope);
if(mergedScope.Accessibility == AccessModifier.None) {
mergedScope.Accessibility = otherScope.Accessibility;
}
}
}
return mergedScope;
}
/// <summary>
/// Returns true if both this and <paramref name="otherScope"/> have the same name and are both partial.
/// </summary>
/// <param name="otherScope">The scope to test</param>
/// <returns>true if they are the same class; false otherwise.</returns>
public virtual bool CanBeMergedInto(TypeDefinition otherScope) {
return base.CanBeMergedInto(otherScope) && this.IsPartial && otherScope.IsPartial;
}