Method EmitEnumToStringBody

IDEHelper/Compiler/BfModule.cpp:19444–19585

}

void BfModule::EmitEnumToStringBody()
{
	auto stringType = ResolveTypeDef(mCompiler->mStringTypeDef);
	auto strVal = CreateAlloca(stringType);

	auto int64StructType = GetPrimitiveStructType(BfTypeCode_Int64);

	BfExprEvaluator exprEvaluator(this);
	auto stringDestAddr = exprEvaluator.LoadLocal(mCurMethodState->mLocals[1]);

	BfIRBlock appendBlock = mBfIRBuilder->CreateBlock("append");
	BfIRBlock noMatchBlock = mBfIRBuilder->CreateBlock("noMatch");
	BfIRBlock endBlock = mBfIRBuilder->CreateBlock("end");

	BfType* discriminatorType = NULL;

	BfTypedValue rawPayload;
	BfIRValue enumVal;
	if (mCurTypeInstance->IsPayloadEnum())
	{
		discriminatorType = mCurTypeInstance->GetDiscriminatorType();
		auto enumTypedValue = ExtractValue(GetThis(), NULL, 2);
		enumTypedValue = LoadValue(enumTypedValue);
		enumVal = enumTypedValue.mValue;
		rawPayload = ExtractValue(GetThis(), NULL, 1);
	}
	else
		enumVal = LoadValue(GetThis()).mValue;

	Array<BfType*> paramTypes;
	paramTypes.Add(stringType);
	auto appendModuleMethodInstance = GetMethodByName(stringType->ToTypeInstance(), "Append", paramTypes);

	BfIRValue switchVal;
	if (!mCurTypeInstance->IsValuelessType())
		switchVal = mBfIRBuilder->CreateSwitch(enumVal, noMatchBlock, (int)mCurTypeInstance->mFieldInstances.size());

	HashSet<int64> handledCases;
	for (auto& fieldInstance : mCurTypeInstance->mFieldInstances)
	{
		if (fieldInstance.mIsEnumPayloadCase)
		{
			int tagId = -fieldInstance.mDataIdx - 1;
			
			BfIRBlock caseBlock = mBfIRBuilder->CreateBlock("case");
			mBfIRBuilder->AddBlock(caseBlock);
			mBfIRBuilder->SetInsertPoint(caseBlock);
			BF_ASSERT(discriminatorType->IsPrimitiveType());
			auto constVal = mBfIRBuilder->CreateConst(((BfPrimitiveType*)discriminatorType)->mTypeDef->mTypeCode, tagId);
			mBfIRBuilder->AddSwitchCase(switchVal, constVal, caseBlock);			

			auto caseStr = GetStringObjectValue(fieldInstance.GetFieldDef()->mName);

			auto stringDestVal = LoadValue(stringDestAddr);
			SizedArray<BfIRValue, 2> args;
			args.Add(stringDestVal.mValue);
			args.Add(caseStr);
			exprEvaluator.CreateCall(NULL, appendModuleMethodInstance.mMethodInstance, appendModuleMethodInstance.mFunc, false, args);