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Reworked ref enumerators to support non-pointer refs

This commit is contained in:
Brian Fiete 2020-05-01 16:29:12 -07:00
parent 70d32885b1
commit d5073e810c
10 changed files with 82 additions and 24 deletions

View file

@ -13,9 +13,13 @@ namespace System.Collections
using System.Diagnostics;
using System.Diagnostics.Contracts;
public class Dictionary<TKey, TValue> : ICollection<(TKey key, TValue value)>, IEnumerable<(TKey key, TValue value)> where TKey : IHashable
public class Dictionary<TKey, TValue> :
ICollection<(TKey key, TValue value)>,
IEnumerable<(TKey key, TValue value)>,
IRefEnumerable<(TKey key, TValue* valueRef)> where TKey : IHashable
{
typealias KeyValuePair=(TKey key, TValue value);
typealias KeyRefValuePair=(TKey key, TValue* valueRef);
private struct Entry
{
@ -606,7 +610,7 @@ namespace System.Collections
return (key is TKey);
}
public struct Enumerator : IEnumerator<KeyValuePair>//, IDictionaryEnumerator
public struct Enumerator : IEnumerator<KeyValuePair>, IRefEnumerator<KeyRefValuePair>
{
private Dictionary<TKey, TValue> mDictionary;
#if VERSION_DICTIONARY
@ -687,6 +691,11 @@ namespace System.Collections
get { return (mDictionary.mEntries[mCurrentIndex].mKey, mDictionary.mEntries[mCurrentIndex].mValue); }
}
public KeyRefValuePair CurrentRef
{
get { return (mDictionary.mEntries[mCurrentIndex].mKey, &mDictionary.mEntries[mCurrentIndex].mValue); }
}
public void Dispose()
{
@ -753,9 +762,16 @@ namespace System.Collections
return .Err;
return Current;
}
public Result<KeyRefValuePair> GetNextRef() mut
{
if (!MoveNext())
return .Err;
return CurrentRef;
}
}
public struct ValueEnumerator : IRefEnumerator<TValue>, IResettable
public struct ValueEnumerator : IRefEnumerator<TValue*>, IEnumerator<TValue>, IResettable
{
private Dictionary<TKey, TValue> mDictionary;
#if VERSION_DICTIONARY

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@ -12,13 +12,18 @@ namespace System.Collections
void Reset() mut;
}
interface IRefEnumerator<T> : IEnumerator<T>
interface IRefEnumerator<T>
{
Result<T*> GetNextRef() mut;
Result<T> GetNextRef() mut;
}
concrete interface IEnumerable<T>
{
concrete IEnumerator<T> GetEnumerator();
}
concrete interface IRefEnumerable<T>
{
concrete IRefEnumerator<T> GetEnumerator();
}
}

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@ -623,7 +623,7 @@ namespace System.Collections
}
}
public struct Enumerator : IRefEnumerator<T>, IResettable
public struct Enumerator : IRefEnumerator<T*>, IEnumerator<T>, IResettable
{
private List<T> mList;
private int mIndex;

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@ -351,7 +351,7 @@ namespace System.Collections
/// Implements an enumerator for a Queue. The enumerator uses the
/// internal version number of the list to ensure that no modifications are
/// made to the list while an enumeration is in progress.
public struct Enumerator : IRefEnumerator<T>
public struct Enumerator : IRefEnumerator<T*>, IEnumerator<T>
{
private Queue<T> mQueue;
private int32 mIndex; // -1 = not started, -2 = ended/disposed

View file

@ -184,7 +184,7 @@ namespace System
return Enumerator(this);
}
public struct Enumerator : IEnumerator<T>, IRefEnumerator<T>
public struct Enumerator : IEnumerator<T>, IRefEnumerator<T*>
{
private Span<T> mList;
private int mIndex;

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@ -2360,7 +2360,7 @@ namespace System
}
}
public struct RawEnumerator : IRefEnumerator<char8>
public struct RawEnumerator : IRefEnumerator<char8*>, IEnumerator<char8>
{
char8* mPtr;
int_strsize mIdx;

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@ -12150,7 +12150,7 @@ BfModuleMethodInstance BfExprEvaluator::GetSelectedMethod(BfAstNode* targetSrc,
if ((invocationExpr != NULL) && (invocationExpr->mGenericArgs != NULL))
{
errorNode = invocationExpr->mGenericArgs->mGenericArgs[(int)methodDef->mGenericParams.size()];
if (errorNode == NULL)
if ((errorNode == NULL) && (!invocationExpr->mGenericArgs->mCommas.IsEmpty()))
errorNode = invocationExpr->mGenericArgs->mCommas[(int)methodDef->mGenericParams.size() - 1];
}
mModule->Fail(StrFormat("Too many generic arguments, expected %d fewer", genericArgCountDiff), errorNode);

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@ -906,9 +906,7 @@ bool BfModule::PopulateType(BfType* resolvedTypeRef, BfPopulateType populateType
if (typeAliasDecl->mAliasToType != NULL)
aliasToType = ResolveTypeRef(typeAliasDecl->mAliasToType, BfPopulateType_IdentityNoRemapAlias);
}
//typeAlias->mModule = mContext->mScratchModule;
typeAlias->mTypeIncomplete = false;
typeAlias->mDefineState = BfTypeDefineState_DefinedAndMethodsSlotted;
if (aliasToType != NULL)
{
AddDependency(aliasToType, typeAlias, BfDependencyMap::DependencyFlag_DerivedFrom);
@ -951,7 +949,7 @@ bool BfModule::PopulateType(BfType* resolvedTypeRef, BfPopulateType populateType
resolvedTypeRef->mRebuildFlags = BfTypeRebuildFlag_None;
typeAlias->mCustomAttributes = GetCustomAttributes(typeDef->mTypeDeclaration->mAttributes, BfAttributeTargets_Alias);
return true;
// Fall through so generic params are populated in DoPopulateType
}
if (resolvedTypeRef->IsSizedArray())
@ -1159,6 +1157,7 @@ bool BfModule::PopulateType(BfType* resolvedTypeRef, BfPopulateType populateType
case BfTypeCode_Struct:
case BfTypeCode_Interface:
case BfTypeCode_Enum:
case BfTypeCode_TypeAlias:
// Implemented below
break;
case BfTypeCode_Extension:
@ -1518,6 +1517,13 @@ bool BfModule::DoPopulateType(BfType* resolvedTypeRef, BfPopulateType populateTy
BuildGenericParams(resolvedTypeRef);
}
if (resolvedTypeRef->IsTypeAlias())
{
typeInstance->mTypeIncomplete = false;
resolvedTypeRef->mDefineState = BfTypeDefineState_DefinedAndMethodsSlotted;
return true;
}
if (_CheckTypeDone())
return true;

View file

@ -3768,7 +3768,28 @@ String BfTypeUtils::TypeToString(BfTypeReference* typeRef)
}
if (auto directStrTypeName = BfNodeDynCast<BfDirectStrTypeReference>(typeRef))
return directStrTypeName->mTypeName;
BF_FATAL("Not implemented");
if (auto tupleTypeRef = BfNodeDynCast<BfTupleTypeRef>(typeRef))
{
String name = "(";
for (int i = 0; i < tupleTypeRef->mFieldTypes.size(); i++)
{
if (i > 0)
name += ", ";
name += TypeToString(tupleTypeRef->mFieldTypes[i]);
if ((i < tupleTypeRef->mFieldNames.size()) && (tupleTypeRef->mFieldNames[i] != NULL))
{
name += " ";
name += tupleTypeRef->mFieldNames[i]->ToString();
}
}
name += ")";
return name;
}
BF_DBG_FATAL("Not implemented");
return "???";
}

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@ -3696,6 +3696,7 @@ void BfModule::Visit(BfDeleteStatement* deleteStmt)
if (checkType->IsPointer())
{
auto innerType = checkType->GetUnderlyingType();
PopulateType(innerType);
if (innerType->IsValuelessType())
mayBeSentinel = true;
}
@ -5715,7 +5716,6 @@ void BfModule::Visit(BfForEachStatement* forEachStmt)
if (genericItrInterface != NULL)
{
Fail(StrFormat("Type '%s' implements multiple %s<T> interfaces", TypeToString(itr.mType).c_str(), isRefExpression ? "IRefEnumerator" : "IEnumerator"), forEachStmt->mCollectionExpression);
return;
}
itrInterface = interface;
@ -5724,7 +5724,11 @@ void BfModule::Visit(BfForEachStatement* forEachStmt)
{
varType = genericItrInterface->mTypeGenericArguments[0];
if (isRefExpression)
varType = CreateRefType(varType);
{
if (varType->IsPointer())
varType = CreateRefType(varType->GetUnderlyingType());
}
}
}
}
@ -5737,10 +5741,13 @@ void BfModule::Visit(BfForEachStatement* forEachStmt)
{
varType = genericItrInterface->mTypeGenericArguments[0];
if (isRefExpression)
{
if (varType->IsPointer())
varType = CreateRefType(varType);
}
}
}
}
if (genericItrInterface == NULL)
{
@ -5761,9 +5768,9 @@ void BfModule::Visit(BfForEachStatement* forEachStmt)
refItrInterface = itrInterface;
PopulateType(refItrInterface);
// Must IRefEnumeratorf<T> must include only IEnumerator<T>
BF_ASSERT(refItrInterface->mInterfaces.size() == 1);
if (refItrInterface->mInterfaces.size() == 1)
itrInterface = refItrInterface->mInterfaces[0].mInterfaceType;
// BF_ASSERT(refItrInterface->mInterfaces.size() == 1);
// if (refItrInterface->mInterfaces.size() == 1)
// itrInterface = refItrInterface->mInterfaces[0].mInterfaceType;
}
itr = MakeAddressable(itr);
itr = RemoveReadOnly(itr);
@ -6220,7 +6227,10 @@ void BfModule::Visit(BfForEachStatement* forEachStmt)
{
auto nextVal = BfTypedValue(mBfIRBuilder->CreateBitCast(nextResult.mValue, mBfIRBuilder->MapType(CreatePointerType(nextEmbeddedType))), nextEmbeddedType, true);
if (isRefExpression)
{
if (nextVal.mType->IsPointer())
nextVal = BfTypedValue(nextVal.mValue, CreateRefType(nextVal.mType->GetUnderlyingType()), true);
}
nextVal = Cast(forEachStmt->mCollectionExpression, nextVal, varType, BfCastFlags_Explicit);
nextVal = LoadValue(nextVal);
if (nextVal)