Method CreateDllImportMethod

IDEHelper/Compiler/BfModule.cpp:18419–18477

}

void BfModule::CreateDllImportMethod()
{
	if (mBfIRBuilder->mIgnoreWrites)
		return;

	auto globalVar = mFuncReferences[mCurMethodInstance];
	if (!globalVar)
		return;

	bool allowTailCall = true;

	mBfIRBuilder->ClearDebugLocation();

	bool isHotCompile = mCompiler->IsHotCompile();

	// If we are hot swapping, we need to have this stub because we may need to call the LoadSharedLibraries on demand
	if (isHotCompile)
	{
		auto loadSharedLibsFunc = GetBuiltInFunc(BfBuiltInFuncType_LoadSharedLibraries);
		mBfIRBuilder->CreateCall(loadSharedLibsFunc, SizedArray<BfIRValue, 0>());
	}

	auto callingConvention = GetIRCallingConvention(mCurMethodInstance);

	BfIRType returnType;
	SizedArray<BfIRType, 8> paramTypes;
	mCurMethodInstance->GetIRFunctionInfo(this, returnType, paramTypes, mCurMethodInstance->IsVarArgs());

	SizedArray<BfIRValue, 8> args;

	for (int i = 0; i < (int)paramTypes.size(); i++)
		args.push_back(mBfIRBuilder->GetArgument(i));

	BfIRFunctionType externFunctionType = mBfIRBuilder->CreateFunctionType(returnType, paramTypes, mCurMethodInstance->IsVarArgs());

	if (isHotCompile)
	{
		BfIRValue funcVal = mBfIRBuilder->CreateLoad(globalVar);
		auto result = mBfIRBuilder->CreateCall(funcVal, args);
		if (callingConvention == BfIRCallingConv_StdCall)
			mBfIRBuilder->SetCallCallingConv(result, BfIRCallingConv_StdCall);
		else if (callingConvention == BfIRCallingConv_FastCall)
			mBfIRBuilder->SetCallCallingConv(result, BfIRCallingConv_FastCall);
		else
			mBfIRBuilder->SetCallCallingConv(result, BfIRCallingConv_CDecl);
		if (allowTailCall)
			mBfIRBuilder->SetTailCall(result);
		CreateReturn(result);
		mCurMethodState->mHadReturn = true;
	}

	if (HasCompiledOutput())
	{
		BfDllImportEntry dllImportEntry;
		dllImportEntry.mFuncVar = globalVar;
		dllImportEntry.mMethodInstance = mCurMethodInstance;
		mDllImportEntries.push_back(dllImportEntry);
	}