Method Resolve

src/scripting/backend/codegen_doom.cpp:447–505

//==========================================================================

FxExpression *FxActionSpecialCall::Resolve(FCompileContext& ctx)
{
	CHECKRESOLVED();
	bool failed = false;

	SAFE_RESOLVE_OPT(Self, ctx);
	for (unsigned i = 0; i < ArgList.Size(); i++)
	{
		ArgList[i] = ArgList[i]->Resolve(ctx);
		if (ArgList[i] == nullptr)
		{
			failed = true;
		}
		else if (Special < 0 && i == 0)
		{
			if (ArgList[i]->ValueType == TypeString)
			{
				ArgList[i] = new FxNameCast(ArgList[i]);
				ArgList[i] = ArgList[i]->Resolve(ctx);
				if (ArgList[i] == nullptr)
				{
					failed = true;
				}
			}
			else if (ArgList[i]->ValueType != TypeName)
			{
				ScriptPosition.Message(MSG_ERROR, "Name expected for parameter %d", i);
				failed = true;
			}
		}
		else if (!ArgList[i]->IsInteger())
		{
			if (ArgList[i]->ValueType->GetRegType() == REGT_FLOAT /* lax */)
			{
				ArgList[i] = new FxIntCast(ArgList[i], ctx.FromDecorate);
				ArgList[i] = ArgList[i]->Resolve(ctx);
				if (ArgList[i] == nullptr)
				{
					delete this;
					return nullptr;
				}
			}
			else
			{
				ScriptPosition.Message(MSG_ERROR, "Integer expected for parameter %d", i);
				failed = true;
			}
		}
	}


	if (failed)
	{
		delete this;
		return nullptr;
	}
	ValueType = TypeSInt32;
	return this;