public ClassDefinition GetCompilerGeneratedExtensionsClass()
{
if (null == _compilerGeneratedExtensionsClass)
{
BooClassBuilder builder = CodeBuilder.CreateClass("CompilerGeneratedExtensions");
builder.Modifiers = TypeMemberModifiers.Final | TypeMemberModifiers.Transient | TypeMemberModifiers.Public;
builder.AddBaseType(ObjectType);
BooMethodBuilder ctor = builder.AddConstructor();
ctor.Modifiers = TypeMemberModifiers.Private;
ctor.Body.Add(
CodeBuilder.CreateSuperConstructorInvocation(ObjectType));
ClassDefinition cd = builder.ClassDefinition;
Module module = GetCompilerGeneratedExtensionsModule();
module.Members.Add(cd);
((ModuleEntity)module.Entity).InitializeModuleClass(cd);
_compilerGeneratedExtensionsClass = cd;
}
return(_compilerGeneratedExtensionsClass);
}
void CreateEnumerator()
{
IType abstractEnumeratorType =
TypeSystemServices.Map(typeof(Boo.Lang.GenericGeneratorEnumerator<>)).
GenericInfo.ConstructType(new IType[] {_generatorItemType});
_state = NameResolutionService.ResolveField(abstractEnumeratorType, "_state");
_yield = NameResolutionService.ResolveMethod(abstractEnumeratorType, "Yield");
_enumerator = CodeBuilder.CreateClass("$");
_enumerator.AddAttribute(CodeBuilder.CreateAttribute(typeof(System.Runtime.CompilerServices.CompilerGeneratedAttribute)));
_enumerator.Modifiers |= TypeMemberModifiers.Final;
_enumerator.LexicalInfo = this.LexicalInfo;
_enumerator.AddBaseType(abstractEnumeratorType);
_enumerator.AddBaseType(TypeSystemServices.IEnumeratorType);
CreateEnumeratorConstructor();
CreateMoveNext();
_enumerable.ClassDefinition.Members.Add(_enumerator.ClassDefinition);
//new Boo.Lang.Compiler.Ast.Visitors.BooPrinterVisitor(System.Console.Out).Visit(_enumerator.ClassDefinition);
}
void CreateAnonymousGeneratorType()
{
_enumerable = (BooClassBuilder)_generator["GeneratorClassBuilder"];
// Set up some important types
_sourceItemType = TypeSystemServices.ObjectType;
_sourceEnumeratorType = TypeSystemServices.IEnumeratorType;
_sourceEnumerableType = TypeSystemServices.IEnumerableType;
_resultItemType = (IType)_generator["GeneratorItemType"];
_resultEnumeratorType = TypeSystemServices.IEnumeratorGenericType.GenericInfo.ConstructType(_resultItemType);
_enumerator = _collector.CreateSkeletonClass("Enumerator",_generator.LexicalInfo);
// use a generic enumerator for the source type if possible
_sourceItemType = TypeSystemServices.GetGenericEnumerableItemType(_generator.Iterator.ExpressionType);
if (_sourceItemType != null && _sourceItemType != TypeSystemServices.ObjectType)
{
_sourceEnumerableType = TypeSystemServices.IEnumerableGenericType.GenericInfo.ConstructType(_sourceItemType);
_sourceEnumeratorType = TypeSystemServices.IEnumeratorGenericType.GenericInfo.ConstructType(_sourceItemType);
}
else
{
_sourceItemType = TypeSystemServices.ObjectType;
}
// Add base types
_enumerator.AddBaseType(_resultEnumeratorType);
_enumerator.AddBaseType(TypeSystemServices.Map(typeof(ICloneable)));
_enumerator.AddBaseType(TypeSystemServices.Map(typeof(IDisposable)));
// Add fields
_enumeratorField = _enumerator.AddField("$$enumerator", _sourceEnumeratorType);
_current = _enumerator.AddField("$$current", _resultItemType);
// Add methods
CreateReset();
CreateCurrent();
CreateMoveNext();
CreateClone();
CreateDispose();
EnumeratorConstructorMustCallReset();
_collector.AdjustReferences();
_collector.DeclareFieldsAndConstructor(_enumerable);
CreateGetEnumerator();
_enumerable.ClassDefinition.Members.Add(_enumerator.ClassDefinition);
}