Method CreateValueFromExpression

IDEHelper/Compiler/BfModule.cpp:9376–9546

}

BfTypedValue BfModule::CreateValueFromExpression(BfExprEvaluator& exprEvaluator, BfExpression* expr, BfType* wantTypeRef, BfEvalExprFlags flags, BfType** outOrigType)
{
	//
	{
		BP_ZONE("CreateValueFromExpression:CheckStack");

		StackHelper stackHelper;
		if (!stackHelper.CanStackExpand(128 * 1024))
		{
			BfTypedValue result;
			if (!stackHelper.Execute([&]()
			{
				result = CreateValueFromExpression(exprEvaluator, expr, wantTypeRef, flags, outOrigType);
			}))
			{
				Fail("Expression too complex to compile", expr);
			}
			return result;
		}
	}

	BP_ZONE("BfModule::CreateValueFromExpression");

	if (outOrigType != NULL)
		*outOrigType = NULL;

	exprEvaluator.mExpectingType = wantTypeRef;
	exprEvaluator.mBfEvalExprFlags = (BfEvalExprFlags)(exprEvaluator.mBfEvalExprFlags | flags);
	exprEvaluator.mExplicitCast = (flags & BfEvalExprFlags_ExplicitCast) != 0;

	if ((flags & BfEvalExprFlags_CreateConditionalScope) != 0)
	{
		if ((mCurMethodState == NULL) || (mCurMethodState->mCurScope->mScopeKind != BfScopeKind_StatementTarget_Conditional))
		{
			EvaluateWithNewConditionalScope(exprEvaluator, expr, flags);
		}
		else
		{
			SetAndRestoreValue<bool> prevIsConditional(mCurMethodState->mCurScope->mIsConditional, true);
			exprEvaluator.Evaluate(expr, (flags & BfEvalExprFlags_PropogateNullConditional) != 0, (flags & BfEvalExprFlags_IgnoreNullConditional) != 0, true);
		}
	}
	else
		exprEvaluator.Evaluate(expr, (flags & BfEvalExprFlags_PropogateNullConditional) != 0, (flags & BfEvalExprFlags_IgnoreNullConditional) != 0, true);

	if (!exprEvaluator.mResult)
	{
		if ((flags & BfEvalExprFlags_InferReturnType) != 0)
			return exprEvaluator.mResult;
		if (!mCompiler->mPassInstance->HasFailed())
		{
			if (PreFail())
				Fail("INTERNAL ERROR: No expression result returned but no error caught in expression evaluator", expr);
		}
		return BfTypedValue();
	}
	auto typedVal = exprEvaluator.mResult;
	if (typedVal.mKind == BfTypedValueKind_GenericConstValue)