B.ExplicitMemberInfo ConvertInterfaceImplementations(List <InterfaceImplementation> implementations, AttributedNode node, B.TypeMember targetMember)
{
if (implementations.Count == 0)
{
return(null);
}
if (implementations.Count > 1)
{
AddError(node, "Multiple explicit interface implementations are not supported");
}
if (implementations[0].MemberName != targetMember.Name)
{
AddError(node, "Explicit interface implementation: Implementing member with different name is not supported");
}
if (targetMember.Modifiers == B.TypeMemberModifiers.Private)
{
targetMember.Modifiers = B.TypeMemberModifiers.None;
}
else
{
AddError(node, "Explicit interface implementation: Only private methods can explicitly implement interfaces");
}
B.TypeReference tr = ConvertTypeReference(implementations[0].InterfaceType);
if (tr is B.SimpleTypeReference)
{
B.ExplicitMemberInfo explicitInfo = new B.ExplicitMemberInfo(GetLexicalInfo(node));
explicitInfo.InterfaceType = (B.SimpleTypeReference)tr;
return(explicitInfo);
}
else
{
AddError(node, "Explicit interface implementation: invalid base type, expecting SimpleTypeReference");
return(null);
}
}
public object VisitTryCatchStatement(TryCatchStatement tryCatchStatement, object data)
{
B.TryStatement t = new B.TryStatement(GetLexicalInfo(tryCatchStatement));
t.EndSourceLocation = GetLocation(tryCatchStatement.EndLocation);
t.ProtectedBlock = ConvertBlock(tryCatchStatement.StatementBlock);
t.EnsureBlock = ConvertBlock(tryCatchStatement.FinallyBlock);
foreach (CatchClause clause in tryCatchStatement.CatchClauses)
{
B.ExceptionHandler handler = new B.ExceptionHandler(GetLexicalInfo(clause));
handler.Block = ConvertBlock(clause.StatementBlock);
B.TypeReference typeRef = ConvertTypeReference(clause.TypeReference);
string name = clause.VariableName;
if (typeRef != null)
{
if (name == null || name.Length == 0)
{
name = GenerateName();
}
handler.Declaration = new B.Declaration(name, typeRef);
}
else
{
if (name != null && name.Length > 0)
{
handler.Declaration = new B.Declaration(name, null);
}
}
t.ExceptionHandlers.Add(handler);
}
return(t);
}
CodeTypeReference ConvTypeRef(TypeReference tr)
{
if (tr == null) return null;
string name = tr.ToString();
if (BooAmbience.ReverseTypeConversionTable.ContainsKey(name))
name = BooAmbience.ReverseTypeConversionTable[name];
return new CodeTypeReference(name);
}
void ConvertTypeReferences(List <TypeReference> input, B.TypeReferenceCollection output)
{
foreach (TypeReference t in input)
{
B.TypeReference r = ConvertTypeReference(t);
if (r != null)
{
output.Add(r);
}
}
}
IReturnType CreateReturnType(AST.TypeReference reference, IMethod method)
{
IClass c = OuterClass;
if (c == null)
{
return(CreateReturnType(reference, new DefaultClass(_cu, "___DummyClass"), method, 1, 1, _cu.ProjectContent));
}
else
{
return(CreateReturnType(reference, c, method, c.Region.BeginLine + 1, 1, _cu.ProjectContent));
}
}
static bool IsSameType(TypeReference a, TypeReference b, StringComparer nameComparer)
{
ArrayTypeReference arr1 = a as ArrayTypeReference;
ArrayTypeReference arr2 = b as ArrayTypeReference;
SimpleTypeReference s1 = a as SimpleTypeReference;
SimpleTypeReference s2 = b as SimpleTypeReference;
if (arr1 != null && arr2 != null) {
if (arr1.Rank.Value != arr2.Rank.Value)
return false;
return IsSameType(arr1.ElementType, arr2.ElementType, nameComparer);
} else if (s1 != null && s2 != null) {
return nameComparer.Equals(s1.Name, s2.Name);
} else {
return false;
}
}
void ResolveInterfaceMembers(ClassDefinition node,
TypeReference baseTypeRef,
IType baseType)
{
foreach (IType entity in baseType.GetInterfaces())
{
ResolveInterfaceMembers(node, baseTypeRef, entity);
}
foreach (IMember entity in baseType.GetMembers())
{
ResolveAbstractMember(node, baseTypeRef, entity);
}
}
void CheckParameterType(TypeReference type)
{
if (type.Entity != TypeSystemServices.VoidType) return;
Error(CompilerErrorFactory.InvalidParameterType(type, type.Entity.ToString()));
}
public Method CreateRuntimeMethod(string name, TypeReference returnType)
{
Method method = CreateVirtualMethod(name, returnType);
method.ImplementationFlags = MethodImplementationFlags.Runtime;
return method;
}
public static CompilerError InvalidTypeConstraint(GenericParameterDeclaration gpd, TypeReference type)
{
return Instantiate("BCE0162", type, gpd.Name, type);
}
public IReturnType ConvertType(AST.TypeReference typeRef)
{
return(ConvertVisitor.CreateReturnType(typeRef, callingClass, callingMember,
caretLine, caretColumn, pc));
}
void CheckParameterType(TypeReference type)
{
if (type.Entity != VoidType()) return;
Error(CompilerErrorFactory.InvalidParameterType(type, VoidType()));
}
public Field(TypeReference type, Expression initializer)
{
this.Type = type;
this.Initializer = initializer;
}
private void CheckForCycles(TypeReference baseTypeRef, AbstractInternalType baseType, List<TypeDefinition> visited)
{
if (visited.Contains(baseType.TypeDefinition))
{
BaseTypeError(CompilerErrorFactory.InheritanceCycle(baseTypeRef, baseType.FullName));
return;
}
new BaseTypeResolution(Context, baseType.TypeDefinition, visited);
}
public static CompilerError MultipleBaseTypeConstraints(GenericParameterDeclaration gpd, TypeReference type, TypeReference other)
{
return Instantiate("BCE0163", type, gpd.Name, type, other);
}
public Declaration(string name, TypeReference type)
: this(LexicalInfo.Empty, name, type)
{
}
public static IReturnType CreateReturnType(AST.TypeReference reference, IClass callingClass,
IMethodOrProperty callingMember, int caretLine, int caretColumn,
IProjectContent projectContent)
{
System.Diagnostics.Debug.Assert(projectContent != null);
if (reference == null)
{
return(GetDefaultReturnType(projectContent));
}
if (reference is AST.ArrayTypeReference)
{
AST.ArrayTypeReference arr = (AST.ArrayTypeReference)reference;
return(new ArrayReturnType(projectContent,
CreateReturnType(arr.ElementType, callingClass, callingMember,
caretLine, caretColumn, projectContent),
(arr.Rank != null) ? (int)arr.Rank.Value : 1));
}
else if (reference is AST.SimpleTypeReference)
{
string name = ((AST.SimpleTypeReference)reference).Name;
IReturnType rt;
int typeParameterCount = (reference is AST.GenericTypeReference) ? ((AST.GenericTypeReference)reference).GenericArguments.Count : 0;
if (name == "duck")
{
rt = new BooResolver.DuckClass(new DefaultCompilationUnit(projectContent)).DefaultReturnType;
}
else if (BooAmbience.ReverseTypeConversionTable.ContainsKey(name))
{
rt = new GetClassReturnType(projectContent, BooAmbience.ReverseTypeConversionTable[name], typeParameterCount);
}
else if (callingClass == null)
{
rt = new GetClassReturnType(projectContent, name, typeParameterCount);
}
else
{
rt = new SearchClassReturnType(projectContent, callingClass, caretLine, caretColumn,
name, typeParameterCount);
}
if (typeParameterCount > 0)
{
AST.TypeReferenceCollection arguments = ((AST.GenericTypeReference)reference).GenericArguments;
// GenericTypeReference derives from SimpleTypeReference
IReturnType[] typeArguments = new IReturnType[arguments.Count];
for (int i = 0; i < typeArguments.Length; i++)
{
typeArguments[i] = CreateReturnType(arguments[i], callingClass, callingMember, caretLine, caretColumn,
projectContent);
}
rt = new ConstructedReturnType(rt, typeArguments);
}
return(rt);
}
else if (reference is AST.CallableTypeReference)
{
AST.CallableTypeReference ctr = (AST.CallableTypeReference)reference;
AnonymousMethodReturnType amrt = new AnonymousMethodReturnType(new DefaultCompilationUnit(projectContent));
if (ctr.ReturnType != null)
{
amrt.MethodReturnType = CreateReturnType(ctr.ReturnType, callingClass, callingMember, caretLine, caretColumn, projectContent);
}
amrt.MethodParameters = new List <IParameter>();
AddParameters(ctr.Parameters, amrt.MethodParameters, callingMember, callingClass ?? new DefaultClass(new DefaultCompilationUnit(projectContent), "__Dummy"));
return(amrt);
}
else
{
throw new NotSupportedException("unknown reference type: " + reference.ToString());
}
}
bool CheckDeclarationType(TypeReference type)
{
if (type.Entity != TypeSystemServices.VoidType) return true;
Error(CompilerErrorFactory.InvalidDeclarationType(type, type.Entity.ToString()));
return false;
}
public ParameterDeclaration(string name, TypeReference type)
: this(name, type, ParameterModifiers.None)
{
}
public ParameterDeclaration(string name, TypeReference type, ParameterModifiers modifiers)
{
this.Name = name;
this.Type = type;
this.Modifiers = modifiers;
}
public static CompilerError TypeConstraintConflictsWithSpecialConstraint(GenericParameterDeclaration gpd, TypeReference type, string constraint)
{
return Instantiate("BCE0161", type, gpd.Name, type, constraint);
}
IReturnType CreateReturnType(AST.TypeReference reference)
{
return(CreateReturnType(reference, null));
}
private static bool IsUnknown(TypeReference typeRef)
{
return Unknown.Default == typeRef.Entity;
}
public override bool Replace(Node existing, Node newNode)
{
if (base.Replace(existing, newNode))
{
return true;
}
if (_type == existing)
{
this.Type = (TypeReference)newNode;
return true;
}
return false;
}
//returns true if a stub has been created, false otherwise.
//TODO: add entity argument to the method to not need return type?
bool AbstractMemberNotImplemented(ClassDefinition node, TypeReference baseTypeRef, IMember member)
{
if (IsValueType(node))
{
Error(CompilerErrorFactory.ValueTypeCantHaveAbstractMember(baseTypeRef, node.FullName, GetAbstractMemberSignature(member)));
return false;
}
if (!node.IsAbstract)
{
//BEHAVIOR >= 0.7.7: (see BOO-789 for details)
//create a stub for this not implemented member
//it will raise a NotImplementedException if called at runtime
TypeMember m = CodeBuilder.CreateStub(member);
CompilerWarning warning = null;
if (null != m)
{
warning = CompilerWarningFactory.AbstractMemberNotImplementedStubCreated(baseTypeRef,
node.FullName, GetAbstractMemberSignature(member));
node.Members.Add(m);
}
else
{
warning = CompilerWarningFactory.AbstractMemberNotImplemented(baseTypeRef,
node.FullName, GetAbstractMemberSignature(member));
_newAbstractClasses.AddUnique(node);
}
Warnings.Add(warning);
return (null != m);
}
return false;
}
public Declaration(LexicalInfo token, string name, TypeReference type)
: base(token)
{
this.Name = name;
this.Type = type;
}
Property CreateAbstractProperty(TypeReference reference, IProperty property)
{
Debug.Assert(0 == property.GetParameters().Length);
Property p = CodeBuilder.CreateProperty(property.Name, property.Type);
p.Modifiers |= TypeMemberModifiers.Abstract;
IMethod getter = property.GetGetMethod();
if (getter != null)
{
p.Getter = CodeBuilder.CreateAbstractMethod(reference.LexicalInfo, getter);
}
IMethod setter = property.GetSetMethod();
if (setter != null)
{
p.Setter = CodeBuilder.CreateAbstractMethod(reference.LexicalInfo, setter);
}
return p;
}
public Field(LexicalInfo lexicalInfo, TypeReference type, Expression initializer)
: base(lexicalInfo)
{
this.Type = type;
this.Initializer = initializer;
}
void ResolveAbstractEvent(ClassDefinition node,
TypeReference baseTypeRef,
IEvent entity)
{
TypeMember member = node.Members[entity.Name];
if (null != member)
{
Event ev = (Event)member;
Method add = ev.Add;
if (add != null)
{
add.Modifiers |= TypeMemberModifiers.Final | TypeMemberModifiers.Virtual;
}
Method remove = ev.Remove;
if (remove != null)
{
remove.Modifiers |= TypeMemberModifiers.Final | TypeMemberModifiers.Virtual;
}
Method raise = ev.Remove;
if (raise != null)
{
raise.Modifiers |= TypeMemberModifiers.Final | TypeMemberModifiers.Virtual;
}
_context.TraceInfo("{0}: Event {1} implements {2}", ev.LexicalInfo, ev, entity);
return;
}
if(CheckInheritsInterfaceImplementation(node, entity))
{
return;
}
foreach(SimpleTypeReference parent in node.BaseTypes)
{
if(_classDefinitionList.Contains(parent.Name))
{
depth++;
ResolveAbstractEvent(_classDefinitionList[parent.Name] as ClassDefinition, baseTypeRef, entity);
depth--;
}
}
if(depth == 0)
{
node.Members.Add(CodeBuilder.CreateAbstractEvent(baseTypeRef.LexicalInfo, entity));
AbstractMemberNotImplemented(node, baseTypeRef, entity);
}
}
public Event(LexicalInfo lexicalInfo, string name, TypeReference type) : base(lexicalInfo)
{
this.Name = name;
this.Type = type;
}
void ResolveAbstractMember(ClassDefinition node,
TypeReference baseTypeRef,
IMember member)
{
switch (member.EntityType)
{
case EntityType.Method:
{
ResolveAbstractMethod(node, baseTypeRef, (IMethod)member);
break;
}
case EntityType.Property:
{
ResolveClassAbstractProperty(node, baseTypeRef, (IProperty)member);
break;
}
case EntityType.Event:
{
ResolveAbstractEvent(node, baseTypeRef, (IEvent)member);
break;
}
default:
{
NotImplemented(baseTypeRef, "abstract member: " + member);
break;
}
}
}
bool CheckDeclarationType(TypeReference type)
{
if (type.Entity != VoidType()) return true;
Error(CompilerErrorFactory.InvalidDeclarationType(type, VoidType()));
return false;
}
void ResolveAbstractMembers(ClassDefinition node,
TypeReference baseTypeRef,
IType baseType)
{
foreach (IEntity member in baseType.GetMembers())
{
switch (member.EntityType)
{
case EntityType.Method:
{
IMethod method = (IMethod)member;
if (method.IsAbstract)
{
ResolveAbstractMethod(node, baseTypeRef, method);
}
break;
}
case EntityType.Property:
{
IProperty property = (IProperty)member;
if (IsAbstractAccessor(property.GetGetMethod()) ||
IsAbstractAccessor(property.GetSetMethod()))
{
ResolveClassAbstractProperty(node, baseTypeRef, property);
}
break;
}
case EntityType.Event:
{
IEvent ev = (IEvent)member;
if (ev.IsAbstract)
{
ResolveAbstractEvent(node, baseTypeRef, ev);
}
break;
}
}
}
}
public Method CreateMethod(string name, TypeReference returnType, TypeMemberModifiers modifiers)
{
Method method = new Method(name);
method.Modifiers = modifiers;
method.ReturnType = returnType;
method.IsSynthetic = true;
EnsureEntityFor(method);
return method;
}
void ResolveAbstractMethod(ClassDefinition node,
TypeReference baseTypeRef,
IMethod entity)
{
if (entity.IsSpecialName)
return;
bool resolved = false;
foreach (TypeMember member in node.Members)
{
if (entity.Name == member.Name
&& NodeType.Method == member.NodeType
&& IsCorrectExplicitMemberImplOrNoExplicitMemberAtAll(member, entity))
{
Method method = (Method)member;
if (TypeSystemServices.CheckOverrideSignature(GetEntity(method), entity))
{
if (IsUnknown(method.ReturnType))
{
method.ReturnType = CodeBuilder.CreateTypeReference(entity.ReturnType);
}
else if (GenericsServices.IsGenericParameter(method.ReturnType.Entity)
== GenericsServices.IsGenericParameter(entity.ReturnType))
{
if (!entity.ReturnType.Equals(method.ReturnType.Entity))
Error(CompilerErrorFactory.ConflictWithInheritedMember(method, method.FullName, entity.FullName));
}
if (null != method.ExplicitInfo)
method.ExplicitInfo.Entity = entity;
if (!method.IsOverride && !method.IsVirtual)
method.Modifiers |= TypeMemberModifiers.Virtual;
_context.TraceInfo("{0}: Method {1} implements {2}", method.LexicalInfo, method, entity);
resolved = true;
}
}
}
if (resolved)
return;
foreach(SimpleTypeReference parent in node.BaseTypes)
{
if(_classDefinitionList.Contains(parent.Name))
{
depth++;
ResolveAbstractMethod(_classDefinitionList[parent.Name] as ClassDefinition, baseTypeRef, entity);
depth--;
}
}
if(CheckInheritsInterfaceImplementation(node, entity))
return;
if(depth == 0)
{
if (!AbstractMemberNotImplemented(node, baseTypeRef, entity))
{
//BEHAVIOR < 0.7.7: no stub, mark class as abstract
node.Members.Add(CodeBuilder.CreateAbstractMethod(baseTypeRef.LexicalInfo, entity));
}
}
}
public Method CreateVirtualMethod(string name, TypeReference returnType)
{
return CreateMethod(name, returnType, TypeMemberModifiers.Public|TypeMemberModifiers.Virtual);
}
void ResolveClassAbstractProperty(ClassDefinition node,
TypeReference baseTypeRef,
IProperty entity)
{
bool resolved = false;
foreach (TypeMember member in node.Members)
{
if (entity.Name != member.Name
|| NodeType.Property != member.NodeType
|| !IsCorrectExplicitMemberImplOrNoExplicitMemberAtAll(member, entity)
|| !TypeSystemServices.CheckOverrideSignature(entity.GetParameters(), GetPropertyEntity(member).GetParameters()))
continue;
Property p = (Property) member;
ProcessPropertyAccessor(p, p.Getter, entity.GetGetMethod());
ProcessPropertyAccessor(p, p.Setter, entity.GetSetMethod());
if (null == p.Type)
{
p.Type = CodeBuilder.CreateTypeReference(entity.Type);
}
else
{
if (entity.Type != p.Type.Entity)
Error(CompilerErrorFactory.ConflictWithInheritedMember(p, p.FullName, entity.FullName));
}
resolved = true;
}
if (resolved)
return;
foreach(SimpleTypeReference parent in node.BaseTypes)
{
if(_classDefinitionList.Contains(parent.Name))
{
depth++;
ResolveClassAbstractProperty(_classDefinitionList[parent.Name] as ClassDefinition, baseTypeRef, entity);
depth--;
}
}
if(CheckInheritsInterfaceImplementation(node, entity))
return;
if(depth == 0)
{
node.Members.Add(CreateAbstractProperty(baseTypeRef, entity));
AbstractMemberNotImplemented(node, baseTypeRef, entity);
}
}