Fixed Lobster implementation to work with latest language features

samples/monster_generated.lobster

@@ -1,31 +1,30 @@
 // automatically generated by the FlatBuffers compiler, do not modify
-
-include "flatbuffers.lobster"
+import flatbuffers
 
 namespace MyGame_Sample
 
-enum + 
-    Color_Red = 0,
-    Color_Green = 1,
+enum Color:
+    Color_Red = 0
+    Color_Green = 1
     Color_Blue = 2
 
-enum + 
-    Equipment_NONE = 0,
+enum Equipment:
+    Equipment_NONE = 0
     Equipment_Weapon = 1
 
-struct Vec3
+class Vec3
 
-struct Monster
+class Monster
 
-struct Weapon
+class Weapon
 
-struct Vec3 : flatbuffers_handle
+class Vec3 : flatbuffers_handle
     def x():
-        buf_.read_float32_le(pos_ + 0)
+        return buf_.read_float32_le(pos_ + 0)
     def y():
-        buf_.read_float32_le(pos_ + 4)
+        return buf_.read_float32_le(pos_ + 4)
     def z():
-        buf_.read_float32_le(pos_ + 8)
+        return buf_.read_float32_le(pos_ + 8)
 
 def CreateVec3(b_:flatbuffers_builder, x:float, y:float, z:float):
     b_.Prep(4, 12)
@@ -34,36 +33,36 @@ def CreateVec3(b_:flatbuffers_builder, x:float, y:float, z:float):
     b_.PrependFloat32(x)
     return b_.Offset()
 
-struct Monster : flatbuffers_handle
+class Monster : flatbuffers_handle
     def pos():
-        o := buf_.flatbuffers_field_struct(pos_, 4)
-        if o: MyGame_Sample_Vec3 { buf_, o } else: nil
+        let o = buf_.flatbuffers_field_struct(pos_, 4)
+        return if o: MyGame_Sample_Vec3 { buf_, o } else: nil
     def mana():
-        buf_.flatbuffers_field_int16(pos_, 6, 150)
+        return buf_.flatbuffers_field_int16(pos_, 6, 150)
     def hp():
-        buf_.flatbuffers_field_int16(pos_, 8, 100)
+        return buf_.flatbuffers_field_int16(pos_, 8, 100)
     def name():
-        buf_.flatbuffers_field_string(pos_, 10)
+        return buf_.flatbuffers_field_string(pos_, 10)
     def inventory(i:int):
-        buf_.read_int8_le(buf_.flatbuffers_field_vector(pos_, 14) + i * 1)
+        return buf_.read_int8_le(buf_.flatbuffers_field_vector(pos_, 14) + i * 1)
     def inventory_length():
-        buf_.flatbuffers_field_vector_len(pos_, 14)
+        return buf_.flatbuffers_field_vector_len(pos_, 14)
     def color():
-        buf_.flatbuffers_field_int8(pos_, 16, 2)
+        return 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) }
+        return 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)
+        return buf_.flatbuffers_field_vector_len(pos_, 18)
     def equipped_type():
-        buf_.flatbuffers_field_int8(pos_, 20, 0)
+        return buf_.flatbuffers_field_int8(pos_, 20, 0)
     def equipped_as_Weapon():
-        MyGame_Sample_Weapon { buf_, buf_.flatbuffers_field_table(pos_, 22) }
+        return MyGame_Sample_Weapon { buf_, buf_.flatbuffers_field_table(pos_, 22) }
     def path(i:int):
-        MyGame_Sample_Vec3 { buf_, buf_.flatbuffers_field_vector(pos_, 24) + i * 12 }
+        return MyGame_Sample_Vec3 { buf_, buf_.flatbuffers_field_vector(pos_, 24) + i * 12 }
     def path_length():
-        buf_.flatbuffers_field_vector_len(pos_, 24)
+        return buf_.flatbuffers_field_vector_len(pos_, 24)
 
-def GetRootAsMonster(buf:string): Monster { buf, buf.flatbuffers_indirect(0) }
+def GetRootAsMonster(buf:string): return Monster { buf, buf.flatbuffers_indirect(0) }
 
 def MonsterStart(b_:flatbuffers_builder):
     b_.StartObject(11)
@@ -82,7 +81,7 @@ def MonsterStartInventoryVector(b_:flatbuffers_builder, n_:int):
 def MonsterCreateInventoryVector(b_:flatbuffers_builder, v_:[int]):
     b_.StartVector(1, v_.length, 1)
     reverse(v_) e_: b_.PrependUint8(e_)
-    b_.EndVector(v_.length)
+    return b_.EndVector(v_.length)
 def MonsterAddColor(b_:flatbuffers_builder, color:int):
     b_.PrependInt8Slot(6, color, 2)
 def MonsterAddWeapons(b_:flatbuffers_builder, weapons:int):
@@ -92,7 +91,7 @@ def MonsterStartWeaponsVector(b_:flatbuffers_builder, n_:int):
 def MonsterCreateWeaponsVector(b_:flatbuffers_builder, v_:[int]):
     b_.StartVector(4, v_.length, 4)
     reverse(v_) e_: b_.PrependUOffsetTRelative(e_)
-    b_.EndVector(v_.length)
+    return 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):
@@ -102,15 +101,15 @@ def MonsterAddPath(b_:flatbuffers_builder, path:int):
 def MonsterStartPathVector(b_:flatbuffers_builder, n_:int):
     b_.StartVector(12, n_, 4)
 def MonsterEnd(b_:flatbuffers_builder):
-    b_.EndObject()
+    return b_.EndObject()
 
-struct Weapon : flatbuffers_handle
+class Weapon : flatbuffers_handle
     def name():
-        buf_.flatbuffers_field_string(pos_, 4)
+        return buf_.flatbuffers_field_string(pos_, 4)
     def damage():
-        buf_.flatbuffers_field_int16(pos_, 6, 0)
+        return buf_.flatbuffers_field_int16(pos_, 6, 0)
 
-def GetRootAsWeapon(buf:string): Weapon { buf, buf.flatbuffers_indirect(0) }
+def GetRootAsWeapon(buf:string): return Weapon { buf, buf.flatbuffers_indirect(0) }
 
 def WeaponStart(b_:flatbuffers_builder):
     b_.StartObject(2)
@@ -119,5 +118,5 @@ def WeaponAddName(b_:flatbuffers_builder, name:int):
 def WeaponAddDamage(b_:flatbuffers_builder, damage:int):
     b_.PrependInt16Slot(1, damage, 0)
 def WeaponEnd(b_:flatbuffers_builder):
-    b_.EndObject()
+    return b_.EndObject()
 

samples/sample_binary.lobster

@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-include from "../lobster/"
-include "monster_generated.lobster"
+import from "../lobster/"
+import monster_generated
 
 // Example of how to use FlatBuffers to create and read binary buffers.
 
@@ -24,7 +24,7 @@ let b = flatbuffers_builder {}
 let weapon_names = [ "Sword", "Axe" ]
 let weapon_damages = [ 3, 5 ]
 
-weapon_offsets := map(weapon_names) name, i:
+let weapon_offsets = map(weapon_names) name, i:
     let ns = b.CreateString(name)
     b.MyGame_Sample_WeaponStart()
     b.MyGame_Sample_WeaponAddName(ns)

samples/sample_text.lobster

@@ -12,20 +12,20 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-include from "../lobster/"
-include "monster_generated.lobster"
+import from "../lobster/"
+import monster_generated
 
 // Example how to interop with JSON.
 
 // Test loading some JSON, converting it to a binary FlatBuffer and back again.
 
 // First read the schema and JSON data.
-schema := read_file("monster.fbs", true)
-json := read_file("monsterdata.json", true)
+let schema = read_file("monster.fbs", true)
+let json = read_file("monsterdata.json", true)
 assert schema and json
 
 // Parse JSON  to binary:
-fb, err1 := flatbuffers_json_to_binary(schema, json, [])
+let fb, err1 = flatbuffers_json_to_binary(schema, json, [])
 assert not err1
 
 // Access one field in it, just to check:
@@ -33,7 +33,7 @@ let monster = MyGame_Sample_GetRootAsMonster(fb)
 assert monster.name == "Orc"
 
 // Convert binary back to JSON:
-json2, err2 := flatbuffers_binary_to_json(schema, fb, [])
+let json2, err2 = flatbuffers_binary_to_json(schema, fb, [])
 assert not err2
 
 // The generated JSON should be exactly equal to the original!