mirror of
https://github.com/beefytech/Beef.git
synced 2025-06-09 20:12:21 +02:00
Added improved invocation rules with extension methods / fields / props
This commit is contained in:
Brian Fiete
parent
f04da6d826
commit
10d4047d01
1 changed files with 165 additions and 147 deletions
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@ -1329,7 +1329,6 @@ BfTypedValue BfMethodMatcher::ResolveArgTypedValue(BfResolvedArg& resolvedArg, B
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auto prevBlock = mModule->mBfIRBuilder->GetInsertBlock();
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BfExprEvaluator exprEvaluator(mModule);
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exprEvaluator.mBfEvalExprFlags = (BfEvalExprFlags)(exprEvaluator.mBfEvalExprFlags | BfEvalExprFlags_AllowIntUnknown | BfEvalExprFlags_NoAutoComplete);
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if ((resolvedArg.mArgFlags & BfArgFlag_ParamsExpr) != 0)
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@ -1599,7 +1598,7 @@ bool BfMethodMatcher::CheckMethod(BfTypeInstance* targetTypeInstance, BfTypeInst
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else
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{
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// Being in autocomplete mode is the only excuse for not having the virtual method table slotted
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if ((!mModule->mCompiler->IsAutocomplete()) && (!targetTypeInstance->mTypeFailed))
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if ((!mModule->mCompiler->IsAutocomplete()) && (!targetTypeInstance->mTypeFailed) && (!targetTypeInstance->IsUnspecializedTypeVariation()))
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{
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mModule->AssertErrorState();
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}
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@ -8113,6 +8112,9 @@ BfTypedValue BfExprEvaluator::MatchMethod(BfAstNode* targetSrc, BfMethodBoundExp
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bool skipThis = false;
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BfTypedValue fieldVal;
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bool hasFieldVal = false;
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// Fail, check for delegate field invocation
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if ((methodDef == NULL) && ((methodGenericArguments == NULL) || (methodGenericArguments->size() == 0)))
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{
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@ -8146,7 +8148,6 @@ BfTypedValue BfExprEvaluator::MatchMethod(BfAstNode* targetSrc, BfMethodBoundExp
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return enumResult;
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}
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BfTypedValue fieldVal;
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if (allowImplicitThis)
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{
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auto identifierNode = BfNodeDynCast<BfIdentifierNode>(targetSrc);
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@ -8159,147 +8160,22 @@ BfTypedValue BfExprEvaluator::MatchMethod(BfAstNode* targetSrc, BfMethodBoundExp
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fieldVal = LookupField(targetSrc, target, methodName);
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}
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if (mPropDef != NULL)
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fieldVal = GetResult();
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if (fieldVal)
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{
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if (fieldVal.mType->IsGenericParam())
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hasFieldVal = true;
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wantsExtensionCheck = !fieldVal.mType->IsDelegate() && !fieldVal.mType->IsFunction();
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}
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else if (mPropDef != NULL)
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{
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hasFieldVal = true;
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BfMethodDef* matchedMethod = GetPropertyMethodDef(mPropDef, BfMethodType_PropertyGetter, mPropCheckedKind, mPropTarget);
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if (matchedMethod != NULL)
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{
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bool delegateFailed = true;
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auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)fieldVal.mType);
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BfTypeInstance* typeInstConstraint = NULL;
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if (genericParamInstance->mTypeConstraint != NULL)
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typeInstConstraint = genericParamInstance->mTypeConstraint->ToTypeInstance();
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if ((typeInstConstraint != NULL) &&
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((typeInstConstraint->mTypeDef == mModule->mCompiler->mDelegateTypeDef) || (typeInstConstraint->mTypeDef == mModule->mCompiler->mFunctionTypeDef)))
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{
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MarkResultUsed();
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// if (argValues.mResolvedArgs.size() > 0)
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// {
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// if ((argValues.mResolvedArgs[0].mArgFlags & BfArgFlag_FromParamComposite) != 0)
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// delegateFailed = false;
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// }
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// else
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if (argValues.mArguments->size() == 1)
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{
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BfExprEvaluator exprEvaluator(mModule);
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exprEvaluator.mBfEvalExprFlags = BfEvalExprFlags_AllowParamsExpr;
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exprEvaluator.Evaluate((*argValues.mArguments)[0]);
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if ((mModule->mCurMethodState != NULL) && (exprEvaluator.mResultLocalVar != NULL) && (exprEvaluator.mResultLocalVarRefNode != NULL))
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{
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/*if (exprEvaluator.mResult.mKind != BfTypedValueKind_Params)
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mModule->Warn(0, "'params' token expected", (*argValues.mArguments)[0]);*/
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auto localVar = exprEvaluator.mResultLocalVar;
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if ((localVar->mCompositeCount >= 0) && (localVar->mResolvedType == fieldVal.mType))
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{
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delegateFailed = false;
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if (mModule->mCurMethodInstance->mIsUnspecialized)
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{
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auto retTypeType = mModule->CreateModifiedTypeType(fieldVal.mType, BfToken_RetType);
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return mModule->GetFakeTypedValue(retTypeType);
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}
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}
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}
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}
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if (delegateFailed)
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{
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mModule->Fail(StrFormat("Generic delegates can only be invoked with 'params %s' composite parameters", mModule->TypeToString(fieldVal.mType).c_str()), targetSrc);
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return BfTypedValue();
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}
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}
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}
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if (fieldVal.mType->IsTypeInstance())
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{
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prevBindResult.Restore();
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auto fieldTypeInst = fieldVal.mType->ToTypeInstance();
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MarkResultUsed();
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return MatchMethod(targetSrc, NULL, fieldVal, false, false, "Invoke", argValues, methodGenericArguments, checkedKind);
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}
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if (fieldVal.mType->IsVar())
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return BfTypedValue(mModule->GetDefaultValue(fieldVal.mType), fieldVal.mType);
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if (fieldVal.mType->IsGenericParam())
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{
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auto genericParam = mModule->GetGenericParamInstance((BfGenericParamType*)fieldVal.mType);
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BfType* typeConstraint = genericParam->mTypeConstraint;
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if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized) && (mModule->mCurMethodInstance->mMethodInfoEx != NULL))
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{
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for (int genericParamIdx = (int)mModule->mCurMethodInstance->mMethodInfoEx->mMethodGenericArguments.size();
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genericParamIdx < mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams.size(); genericParamIdx++)
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{
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auto genericParam = mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams[genericParamIdx];
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if ((genericParam->mExternType == fieldVal.mType) && (genericParam->mTypeConstraint != NULL))
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typeConstraint = genericParam->mTypeConstraint;
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}
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}
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if ((typeConstraint != NULL) &&
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((typeConstraint->IsDelegate()) || (typeConstraint->IsFunction())))
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{
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BfMethodInstance* invokeMethodInstance = mModule->GetRawMethodInstanceAtIdx(typeConstraint->ToTypeInstance(), 0, "Invoke");
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methodDef = invokeMethodInstance->mMethodDef;
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methodMatcher.mBestMethodInstance = invokeMethodInstance;
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methodMatcher.mBestMethodTypeInstance = invokeMethodInstance->GetOwner();
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methodMatcher.mBestMethodDef = invokeMethodInstance->mMethodDef;
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target = mModule->GetDefaultTypedValue(methodMatcher.mBestMethodTypeInstance);
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isFailurePass = false;
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isIndirectMethodCall = true;
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}
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}
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else if (fieldVal.mType->IsMethodRef())
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{
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auto functionBindResults = prevBindResult.mPrevVal;
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if (functionBindResults != NULL)
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{
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functionBindResults->mOrigTarget = fieldVal;
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}
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origTarget = fieldVal;
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auto methodRefType = (BfMethodRefType*)fieldVal.mType;
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BfMethodInstance* methodInstance = methodRefType->mMethodRef;
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methodDef = methodInstance->mMethodDef;
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if (methodDef->mIsLocalMethod)
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{
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methodMatcher.mBestMethodInstance = mModule->ReferenceExternalMethodInstance(methodInstance);
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}
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else
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{
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BfTypeVector methodGenericArguments;
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if (methodInstance->mMethodInfoEx != NULL)
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methodGenericArguments = methodInstance->mMethodInfoEx->mMethodGenericArguments;
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methodMatcher.mBestMethodInstance = mModule->GetMethodInstance(methodInstance->GetOwner(), methodInstance->mMethodDef, methodGenericArguments);
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}
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methodMatcher.mBestMethodTypeInstance = methodInstance->GetOwner();
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if (methodInstance->HasThis())
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{
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bool failed = false;
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target = DoImplicitArgCapture(targetSrc, methodInstance, -1, failed, BfImplicitParamKind_General, origTarget);
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}
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else if (!methodDef->mIsStatic)
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{
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auto thisType = methodInstance->GetParamType(-1);
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BF_ASSERT(thisType->IsValuelessType());
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target = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), methodMatcher.mBestMethodTypeInstance);
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}
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else
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target = BfTypedValue(methodMatcher.mBestMethodTypeInstance);
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methodMatcher.mBypassVirtual = true;
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bypassVirtual = true;
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isFailurePass = false;
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isIndirectMethodCall = true;
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}
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if (methodDef == NULL)
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{
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mModule->Fail(StrFormat("Cannot perform invocation on type '%s'", mModule->TypeToString(fieldVal.mType).c_str()), targetSrc);
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return BfTypedValue();
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auto getMethodInstance = mModule->GetRawMethodInstance(mPropTarget.mType->ToTypeInstance(), matchedMethod);
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if ((getMethodInstance != NULL) &&
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((getMethodInstance->mReturnType->IsDelegate()) || (getMethodInstance->mReturnType->IsFunction())))
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wantsExtensionCheck = false;
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}
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}
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}
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@ -8488,6 +8364,143 @@ BfTypedValue BfExprEvaluator::MatchMethod(BfAstNode* targetSrc, BfMethodBoundExp
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}
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}
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if ((methodDef == NULL) && (hasFieldVal))
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{
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if (mPropDef != NULL)
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fieldVal = GetResult();
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if (fieldVal)
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{
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if (fieldVal.mType->IsGenericParam())
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{
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bool delegateFailed = true;
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auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)fieldVal.mType);
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BfTypeInstance* typeInstConstraint = NULL;
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if (genericParamInstance->mTypeConstraint != NULL)
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typeInstConstraint = genericParamInstance->mTypeConstraint->ToTypeInstance();
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if ((typeInstConstraint != NULL) &&
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((typeInstConstraint->mTypeDef == mModule->mCompiler->mDelegateTypeDef) || (typeInstConstraint->mTypeDef == mModule->mCompiler->mFunctionTypeDef)))
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{
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MarkResultUsed();
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if (argValues.mArguments->size() == 1)
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{
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BfExprEvaluator exprEvaluator(mModule);
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exprEvaluator.mBfEvalExprFlags = BfEvalExprFlags_AllowParamsExpr;
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exprEvaluator.Evaluate((*argValues.mArguments)[0]);
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if ((mModule->mCurMethodState != NULL) && (exprEvaluator.mResultLocalVar != NULL) && (exprEvaluator.mResultLocalVarRefNode != NULL))
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{
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auto localVar = exprEvaluator.mResultLocalVar;
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if ((localVar->mCompositeCount >= 0) && (localVar->mResolvedType == fieldVal.mType))
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{
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delegateFailed = false;
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if (mModule->mCurMethodInstance->mIsUnspecialized)
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{
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auto retTypeType = mModule->CreateModifiedTypeType(fieldVal.mType, BfToken_RetType);
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return mModule->GetFakeTypedValue(retTypeType);
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}
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}
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}
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}
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if (delegateFailed)
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{
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mModule->Fail(StrFormat("Generic delegates can only be invoked with 'params %s' composite parameters", mModule->TypeToString(fieldVal.mType).c_str()), targetSrc);
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return BfTypedValue();
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}
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}
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}
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if (fieldVal.mType->IsTypeInstance())
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{
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prevBindResult.Restore();
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auto fieldTypeInst = fieldVal.mType->ToTypeInstance();
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MarkResultUsed();
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return MatchMethod(targetSrc, NULL, fieldVal, false, false, "Invoke", argValues, methodGenericArguments, checkedKind);
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}
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if (fieldVal.mType->IsVar())
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return BfTypedValue(mModule->GetDefaultValue(fieldVal.mType), fieldVal.mType);
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if (fieldVal.mType->IsGenericParam())
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{
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auto genericParam = mModule->GetGenericParamInstance((BfGenericParamType*)fieldVal.mType);
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BfType* typeConstraint = genericParam->mTypeConstraint;
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if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized) && (mModule->mCurMethodInstance->mMethodInfoEx != NULL))
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{
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for (int genericParamIdx = (int)mModule->mCurMethodInstance->mMethodInfoEx->mMethodGenericArguments.size();
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genericParamIdx < mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams.size(); genericParamIdx++)
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{
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auto genericParam = mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams[genericParamIdx];
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if ((genericParam->mExternType == fieldVal.mType) && (genericParam->mTypeConstraint != NULL))
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typeConstraint = genericParam->mTypeConstraint;
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}
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}
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if ((typeConstraint != NULL) &&
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((typeConstraint->IsDelegate()) || (typeConstraint->IsFunction())))
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{
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BfMethodInstance* invokeMethodInstance = mModule->GetRawMethodInstanceAtIdx(typeConstraint->ToTypeInstance(), 0, "Invoke");
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methodDef = invokeMethodInstance->mMethodDef;
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methodMatcher.mBestMethodInstance = invokeMethodInstance;
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methodMatcher.mBestMethodTypeInstance = invokeMethodInstance->GetOwner();
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methodMatcher.mBestMethodDef = invokeMethodInstance->mMethodDef;
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target = mModule->GetDefaultTypedValue(methodMatcher.mBestMethodTypeInstance);
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isFailurePass = false;
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isIndirectMethodCall = true;
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}
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}
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else if (fieldVal.mType->IsMethodRef())
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{
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auto functionBindResults = prevBindResult.mPrevVal;
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if (functionBindResults != NULL)
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{
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functionBindResults->mOrigTarget = fieldVal;
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}
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origTarget = fieldVal;
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auto methodRefType = (BfMethodRefType*)fieldVal.mType;
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BfMethodInstance* methodInstance = methodRefType->mMethodRef;
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methodDef = methodInstance->mMethodDef;
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if (methodDef->mIsLocalMethod)
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{
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methodMatcher.mBestMethodInstance = mModule->ReferenceExternalMethodInstance(methodInstance);
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}
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else
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{
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BfTypeVector methodGenericArguments;
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if (methodInstance->mMethodInfoEx != NULL)
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methodGenericArguments = methodInstance->mMethodInfoEx->mMethodGenericArguments;
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methodMatcher.mBestMethodInstance = mModule->GetMethodInstance(methodInstance->GetOwner(), methodInstance->mMethodDef, methodGenericArguments);
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}
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methodMatcher.mBestMethodTypeInstance = methodInstance->GetOwner();
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if (methodInstance->HasThis())
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{
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bool failed = false;
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target = DoImplicitArgCapture(targetSrc, methodInstance, -1, failed, BfImplicitParamKind_General, origTarget);
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}
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else if (!methodDef->mIsStatic)
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{
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auto thisType = methodInstance->GetParamType(-1);
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BF_ASSERT(thisType->IsValuelessType());
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target = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), methodMatcher.mBestMethodTypeInstance);
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}
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else
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target = BfTypedValue(methodMatcher.mBestMethodTypeInstance);
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methodMatcher.mBypassVirtual = true;
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bypassVirtual = true;
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isFailurePass = false;
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isIndirectMethodCall = true;
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}
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if (methodDef == NULL)
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{
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mModule->Fail(StrFormat("Cannot perform invocation on type '%s'", mModule->TypeToString(fieldVal.mType).c_str()), targetSrc);
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return BfTypedValue();
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}
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}
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}
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// This will flush out any new ambiguity errors from extension methods
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methodMatcher.FlushAmbiguityError();
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@ -10474,8 +10487,13 @@ void BfExprEvaluator::Visit(BfDynamicCastExpression* dynCastExpr)
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}
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else if ((!targetType->IsInterface()) && (!mModule->TypeIsSubTypeOf(targetTypeInstance, srcTypeInstance)))
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{
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mModule->Fail(StrFormat("Cannot convert type '%s' to '%s' via any conversion",
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mModule->TypeToString(targetValue.mType).c_str(), mModule->TypeToString(targetTypeInstance).c_str()), dynCastExpr->mAsToken);
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if (!mModule->IsInSpecializedSection())
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{
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mModule->Fail(StrFormat("Cannot convert type '%s' to '%s' via any conversion",
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mModule->TypeToString(targetValue.mType).c_str(), mModule->TypeToString(targetTypeInstance).c_str()), dynCastExpr->mAsToken);
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}
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mResult = mModule->GetDefaultTypedValue(targetType);
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return;
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}
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if (autoComplete != NULL)
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