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Added nullable(T), Result<T> can use null conditionals

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This commit is contained in:
Brian Fiete 2020-04-27 15:09:10 -07:00
parent 336226d686
commit 68bf7bc801
19 changed files with 343 additions and 210 deletions
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12
IDEHelper/Compiler/BfAutoComplete.cpp
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@ -1511,6 +1511,16 @@ bool BfAutoComplete::CheckMemberReference(BfAstNode* target, BfAstNode* dotToken
{
if (dotTokenNode->GetToken() == BfToken_QuestionDot)
{
if (!targetValue.mType->IsNullable())
{
// We need this for Result<T>
SetAndRestoreValue<bool> prevIgnore(mModule->mBfIRBuilder->mIgnoreWrites, true);
BfExprEvaluator exprEvaluator(mModule);
auto opResult = exprEvaluator.PerformUnaryOperation_TryOperator(targetValue, NULL, BfUnaryOp_NullConditional, dotTokenNode);
if (opResult)
targetValue = opResult;
}
// ?. should look inside nullable types
if (targetValue.mType->IsNullable())
{
@ -1518,7 +1528,7 @@ bool BfAutoComplete::CheckMemberReference(BfAstNode* target, BfAstNode* dotToken
targetValue = mModule->MakeAddressable(targetValue);
BfIRValue valuePtr = mModule->mBfIRBuilder->CreateInBoundsGEP(targetValue.mValue, 0, 1); // mValue
targetValue = BfTypedValue(valuePtr, nullableType->mTypeGenericArguments[0], true);
}
}
}
}