Function ProcessSubFunction

src/Chain/libraries/glua/glua_decompile.cpp:3413–3457

			}

			std::string ProcessSubFunction(GluaDecompileContextP ctx, Proto* cf, int func_checking, std::string funcnumstr) {
				int i;
				int uvn = NUPS(cf);
				std::stringstream buff;
				std::string tmpname;

				/* determining upvalues */
				if (!cf->upvalues) {
					// Lua 5.1 only
					cf->sizeupvalues = uvn;
					cf->upvalues = luaM_newvector(ctx->glstate, uvn, UPVAL_TYPE);
					for (i = 0; i < uvn; i++) {
						tmpname = std::string("upval_") + funcnumstr + "_" + std::to_string(i);
						UPVAL_NAME(cf, i) = luaS_new(ctx->glstate, tmpname.c_str());
					}
				}
				else {
					// FixUpvalNames
					for (i = 0; i < uvn; i++) {
						TString* name = UPVAL_NAME(cf, i);
						if (name == nullptr || LUA_STRLEN(name) == 0 ||
							strlen(getstr(name)) == 0 || !isIdentifier(getstr(name))) {
							// TODO 5.2 Maybe we should trace up to get _ENV ?
							// Also wen can get the location where upval defined
							tmpname = std::string("upval_") + funcnumstr + "_" + std::to_string(i);
							UPVAL_NAME(cf, i) = luaS_new(ctx->glstate, tmpname.c_str());
						}
					}
				}

				clear_sstream(buff);
				if (!IsMain(ctx, cf)) {
					if (NUPS(cf) > 0) {
						buff << "local ";
						listUpvalues(ctx, cf, buff);
						buff << "\n";
					}
					buff << "DecompiledFunction_" << funcnumstr << " = ";
				}
				std::string code = ProcessCode(ctx, cf, 0, func_checking, funcnumstr);

				buff << code << "\n";
				code = buff.str();
				return code;
			}

			void luaU_decompileSubFunction(GluaDecompileContextP ctx, Proto* f, int dflag, std::string funcnumstr) {
				std::string realfuncnumstr;;