fixed bfbs gen to pass extra options (#7949)

goldens/nim/Galaxy.nim

@@ -0,0 +1,26 @@
+#[ Galaxy
+  Automatically generated by the FlatBuffers compiler, do not modify.
+  Or modify. I'm a message, not a cop.
+
+  flatc version: 23.5.9
+
+  Declared by  : //basic.fbs
+  Rooting type : Universe (//basic.fbs)
+]#
+
+import flatbuffers
+
+type Galaxy* = object of FlatObj
+func numStars*(self: Galaxy): int64 =
+  let o = self.tab.Offset(4)
+  if o != 0:
+    return Get[int64](self.tab, self.tab.Pos + o)
+  return 0
+func `numStars=`*(self: var Galaxy, n: int64): bool =
+  return self.tab.MutateSlot(4, n)
+proc GalaxyStart*(builder: var Builder) =
+  builder.StartObject(1)
+proc GalaxyAddnumStars*(builder: var Builder, numStars: int64) =
+  builder.PrependSlot(0, numStars, default(int64))
+proc GalaxyEnd*(builder: var Builder): uoffset =
+  return builder.EndObject()

goldens/nim/Universe.nim

@@ -0,0 +1,46 @@
+#[ Universe
+  Automatically generated by the FlatBuffers compiler, do not modify.
+  Or modify. I'm a message, not a cop.
+
+  flatc version: 23.5.9
+
+  Declared by  : //basic.fbs
+  Rooting type : Universe (//basic.fbs)
+]#
+
+import Galaxy as Galaxy
+import flatbuffers
+import std/options
+
+type Universe* = object of FlatObj
+func age*(self: Universe): float64 =
+  let o = self.tab.Offset(4)
+  if o != 0:
+    return Get[float64](self.tab, self.tab.Pos + o)
+  return 0.0
+func `age=`*(self: var Universe, n: float64): bool =
+  return self.tab.MutateSlot(4, n)
+func galaxiesLength*(self: Universe): int = 
+  let o = self.tab.Offset(6)
+  if o != 0:
+    return self.tab.VectorLen(o)
+func galaxies*(self: Universe, j: int): Galaxy.Galaxy = 
+  let o = self.tab.Offset(6)
+  if o != 0:
+    var x = self.tab.Vector(o)
+    x += j.uoffset * 4.uoffset
+    return Galaxy.Galaxy(tab: Vtable(Bytes: self.tab.Bytes, Pos: x))
+func galaxies*(self: Universe): seq[Galaxy.Galaxy] = 
+  let len = self.galaxiesLength
+  for i in countup(0, len - 1):
+    result.add(self.galaxies(i))
+proc UniverseStart*(builder: var Builder) =
+  builder.StartObject(2)
+proc UniverseAddage*(builder: var Builder, age: float64) =
+  builder.PrependSlot(0, age, default(float64))
+proc UniverseAddgalaxies*(builder: var Builder, galaxies: uoffset) =
+  builder.PrependSlot(1, galaxies, default(uoffset))
+proc UniverseStartgalaxiesVector*(builder: var Builder, numElems: uoffset) =
+  builder.StartVector(4, numElems, 4)
+proc UniverseEnd*(builder: var Builder): uoffset =
+  return builder.EndObject()