FlatBuffers implementation for the Lobster programming language

Language, see: http://strlen.com/lobster/ and https://github.com/aardappel/lobster

samples/monster_generated.lobster

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+// automatically generated by the FlatBuffers compiler, do not modify
+
+include "flatbuffers.lobster"
+
+namespace MyGame_Sample
+
+enum + 
+    Color_Red = 0,
+    Color_Green = 1,
+    Color_Blue = 2
+
+enum + 
+    Equipment_NONE = 0,
+    Equipment_Weapon = 1
+
+struct Vec3
+
+struct Monster
+
+struct Weapon
+
+struct Vec3 : flatbuffers_handle
+    def x():
+        buf_.read_float32_le(pos_ + 0)
+    def y():
+        buf_.read_float32_le(pos_ + 4)
+    def z():
+        buf_.read_float32_le(pos_ + 8)
+
+def CreateVec3(b_:flatbuffers_builder, x:float, y:float, z:float):
+    b_.Prep(4, 12)
+    b_.PrependFloat32(z)
+    b_.PrependFloat32(y)
+    b_.PrependFloat32(x)
+    return b_.Offset()
+
+struct Monster : flatbuffers_handle
+    def pos():
+        o := buf_.flatbuffers_field_struct(pos_, 4)
+        if o: MyGame_Sample_Vec3 { buf_, o } else: nil
+    def mana():
+        buf_.flatbuffers_field_int16(pos_, 6, 150)
+    def hp():
+        buf_.flatbuffers_field_int16(pos_, 8, 100)
+    def name():
+        buf_.flatbuffers_field_string(pos_, 10)
+    def inventory(i:int):
+        buf_.read_int8_le(buf_.flatbuffers_field_vector(pos_, 14) + i * 1)
+    def inventory_length():
+        buf_.flatbuffers_field_vector_len(pos_, 14)
+    def color():
+        buf_.flatbuffers_field_int8(pos_, 16, 2)
+    def weapons(i:int):
+        MyGame_Sample_Weapon { buf_, buf_.flatbuffers_indirect(buf_.flatbuffers_field_vector(pos_, 18) + i * 4) }
+    def weapons_length():
+        buf_.flatbuffers_field_vector_len(pos_, 18)
+    def equipped_type():
+        buf_.flatbuffers_field_int8(pos_, 20, 0)
+    def equipped_as_Weapon():
+        MyGame_Sample_Weapon { buf_, buf_.flatbuffers_field_table(pos_, 22) }
+
+def GetRootAsMonster(buf:string): Monster { buf, buf.flatbuffers_indirect(0) }
+
+def MonsterStart(b_:flatbuffers_builder):
+    b_.StartObject(10)
+def MonsterAddPos(b_:flatbuffers_builder, pos:int):
+    b_.PrependStructSlot(0, pos, 0)
+def MonsterAddMana(b_:flatbuffers_builder, mana:int):
+    b_.PrependInt16Slot(1, mana, 150)
+def MonsterAddHp(b_:flatbuffers_builder, hp:int):
+    b_.PrependInt16Slot(2, hp, 100)
+def MonsterAddName(b_:flatbuffers_builder, name:int):
+    b_.PrependUOffsetTRelativeSlot(3, name, 0)
+def MonsterAddInventory(b_:flatbuffers_builder, inventory:int):
+    b_.PrependUOffsetTRelativeSlot(5, inventory, 0)
+def MonsterStartInventoryVector(b_:flatbuffers_builder, n_:int):
+    b_.StartVector(1, n_, 1)
+def MonsterCreateInventoryVector(b_:flatbuffers_builder, v_:[int]):
+    b_.StartVector(1, v_.length, 1)
+    reverse(v_) e_: b_.PrependUint8(e_)
+    b_.EndVector(v_.length)
+def MonsterAddColor(b_:flatbuffers_builder, color:int):
+    b_.PrependInt8Slot(6, color, 2)
+def MonsterAddWeapons(b_:flatbuffers_builder, weapons:int):
+    b_.PrependUOffsetTRelativeSlot(7, weapons, 0)
+def MonsterStartWeaponsVector(b_:flatbuffers_builder, n_:int):
+    b_.StartVector(4, n_, 4)
+def MonsterCreateWeaponsVector(b_:flatbuffers_builder, v_:[int]):
+    b_.StartVector(4, v_.length, 4)
+    reverse(v_) e_: b_.PrependUOffsetTRelative(e_)
+    b_.EndVector(v_.length)
+def MonsterAddEquippedType(b_:flatbuffers_builder, equipped_type:int):
+    b_.PrependUint8Slot(8, equipped_type, 0)
+def MonsterAddEquipped(b_:flatbuffers_builder, equipped:int):
+    b_.PrependUOffsetTRelativeSlot(9, equipped, 0)
+def MonsterEnd(b_:flatbuffers_builder):
+    b_.EndObject()
+
+struct Weapon : flatbuffers_handle
+    def name():
+        buf_.flatbuffers_field_string(pos_, 4)
+    def damage():
+        buf_.flatbuffers_field_int16(pos_, 6, 0)
+
+def GetRootAsWeapon(buf:string): Weapon { buf, buf.flatbuffers_indirect(0) }
+
+def WeaponStart(b_:flatbuffers_builder):
+    b_.StartObject(2)
+def WeaponAddName(b_:flatbuffers_builder, name:int):
+    b_.PrependUOffsetTRelativeSlot(0, name, 0)
+def WeaponAddDamage(b_:flatbuffers_builder, damage:int):
+    b_.PrependInt16Slot(1, damage, 0)
+def WeaponEnd(b_:flatbuffers_builder):
+    b_.EndObject()
+