d

v2/entities.py

@@ -1,10 +1,13 @@
 class MemoryContext:
   def __init__(self):
+    self.hiddenItems = []
+    self.mismatchedItems = []
     self.playfieldItems = {}
     self.playfieldSize = 0
     self.recentField = None
     self.selectedId = None
     self.selectedItems = []
+    self.victory = False
 
   def __repr__(self):
     return self.__str__()

v2/functions.py

@@ -1,5 +1,51 @@
 from entities import *
+from llm import *
 
+# Detect victory
+#
+# Conditions:
+# 1. Matching items have just been hidden and all items are hidden now
+@llm_by_value
+def memory_detectVictory(
+  c: MemoryContext
+) -> MemoryContext:
+  if (
+    c.recentField == "hiddenItems" and
+    len(c.hiddenItems) == len(c.playfieldItems)
+  ):
+    c.victory = True
+    c.recentField = "victory"
+    return c
+
+  c.recentField = None
+  return c
+#}
+
+# Deselect mismatched items
+#
+# Conditions:
+# 1. Two items are selected and they are of different groups
+@llm_by_value
+def memory_deselectMismatchedItems(
+  c: MemoryContext
+) -> MemoryContext:
+  if (
+    c.recentField == "selectedItems" and
+    len(c.selectedItems) == 2 and
+    c.playfieldItems[c.selectedItems[0]] != c.playfieldItems[c.selectedItems[1]]
+  ):
+    c.mismatchedItems.clear()
+    c.mismatchedItems.append(c.selectedItems[0])
+    c.mismatchedItems.append(c.selectedItems[1])
+    c.recentField = "mismatchedItems"
+    return c
+
+  c.recentField = None
+  return c
+#}
+
+# Generate constant playfield suitable for testing and debugging
+@llm_by_value
 def memory_generateConstPlayfield(
   c: MemoryContext
 ) -> MemoryContext:
@@ -16,12 +62,34 @@ def memory_generateConstPlayfield(
   return c
 #}
 
+# Hide matching selected items
+#
+# Conditions:
+# 1. Two items are selected and they are of the same group
+@llm_by_value
+def memory_hideMatchingItems(
+  c: MemoryContext
+) -> MemoryContext:
+  if (
+    c.recentField == "selectedItems" and
+    len(c.selectedItems) == 2 and
+    c.playfieldItems[c.selectedItems[0]] == c.playfieldItems[c.selectedItems[1]]
+  ):
+    c.hiddenItems.append(c.selectedItems[0])
+    c.hiddenItems.append(c.selectedItems[1])
+    c.recentField = "hiddenItems"
+    return c
+
+  c.recentField = None
+  return c
+#}
+
 # Select item
 #
 # Conditions:
-# 0. Remove obsolete selected items
-# 1. If selectedId is recent
-# 2. If it's not recent
+# 1. There are already two selected items
+# 2. Item has just been selected
+@llm_by_value
 def memory_selectItem(
   c: MemoryContext
 ) -> MemoryContext:
@@ -61,7 +129,7 @@ def test_memory_generateConstPlayfield(
   return "ERR: memory_generateConstPlayfield"
 #}
 
-def test_memory_selectOneItem(
+def test_memory_selectItem(
 ) -> str:
   c = memory_createEmptyContext()
   c.playfieldSize = 2
@@ -78,12 +146,12 @@ def test_memory_selectOneItem(
     len(c.selectedItems) == 1 and
     c.selectedItems[0] == 0
   ):
-    return "OK: memory_selectOneItem"
+    return "OK: selectItem"
   #}
-  return "ERR: memory_selectOneItem"
+  return "ERR: selectItem"
 #}
 
-def test_memory_selectTwoItems(
+def test_selectTwoItems(
 ) -> str:
   c = memory_createEmptyContext()
   c.playfieldSize = 2
@@ -104,12 +172,12 @@ def test_memory_selectTwoItems(
     c.selectedItems[0] == 0 and
     c.selectedItems[1] == 1
   ):
-    return "OK: memory_selectTwoItems"
+    return "OK: selectTwoItems"
   #}
-  return "ERR: memory_selectTwoItems"
+  return "ERR: selectTwoItems"
 #}
 
-def test_memory_selectThreeItems(
+def test_selectThreeItems(
 ) -> str:
   c = memory_createEmptyContext()
   c.playfieldSize = 2
@@ -132,7 +200,130 @@ def test_memory_selectThreeItems(
     len(c.selectedItems) == 1 and
     c.selectedItems[0] == 2
   ):
-    return "OK: memory_selectThreeItems"
+    return "OK: selectThreeItems"
+  #}
+  return "ERR: selectThreeItems"
+#}
+
+def test_memory_hideMatchingItems(
+) -> str:
+  c = memory_createEmptyContext()
+  c.playfieldSize = 2
+  c = memory_generateConstPlayfield(c)
+
+  # Select two items of the same group.
+  c.selectedId = 0
+  c.recentField = "selectedId"
+  c = memory_selectItem(c)
+  c.selectedId = 1
+  c.recentField = "selectedId"
+  c = memory_selectItem(c)
+
+  # Hide matching items.
+  c = memory_hideMatchingItems(c)
+
+  # See if the two selected items match.
+  if (
+    c.recentField == "hiddenItems" and
+    len(c.hiddenItems) == 2 and
+    c.hiddenItems[0] == 0 and
+    c.hiddenItems[1] == 1
+  ):
+    return "OK: memory_hideMatchingItems"
   #}
-  return "ERR: memory_selectThreeItems"
+  return "ERR: memory_hideMatchingItems"
 #}
+
+def test_memory_deselectMismatchedItems(
+) -> str:
+  c = memory_createEmptyContext()
+  c.playfieldSize = 2
+  c = memory_generateConstPlayfield(c)
+
+  # Select two items of different groups.
+  c.selectedId = 0
+  c.recentField = "selectedId"
+  c = memory_selectItem(c)
+  c.selectedId = 2
+  c.recentField = "selectedId"
+  c = memory_selectItem(c)
+
+  # Detect mismatching.
+  c = memory_deselectMismatchedItems(c)
+
+  # See if the two selected items do not match.
+  if (
+    c.recentField == "mismatchedItems" and
+    len(c.mismatchedItems) == 2 and
+    c.mismatchedItems[0] == 0 and
+    c.mismatchedItems[1] == 2
+  ):
+    return "OK: memory_deselectMismatchedItems"
+  #}
+  return "ERR: memory_deselectMismatchedItems"
+#}
+
+def test_memory_detectVictory(
+) -> str:
+  c = memory_createEmptyContext()
+  c.playfieldSize = 2
+  c = memory_generateConstPlayfield(c)
+
+  # Select the first two items of the same group.
+  c.selectedId = 0
+  c.recentField = "selectedId"
+  c = memory_selectItem(c)
+  c.selectedId = 1
+  c.recentField = "selectedId"
+  c = memory_selectItem(c)
+
+  # Hide the first pair.
+  c = memory_hideMatchingItems(c)
+
+  # Select the last two items of the same group.
+  c.selectedId = 2
+  c.recentField = "selectedId"
+  c = memory_selectItem(c)
+  c.selectedId = 3
+  c.recentField = "selectedId"
+  c = memory_selectItem(c)
+
+  # Hide the second pair.
+  c = memory_hideMatchingItems(c)
+
+  # Detect victory.
+  c = memory_detectVictory(c)
+
+  # See if victory has been detected.
+  if (
+    c.recentField == "victory" and
+    c.victory == True
+  ):
+    return "OK: memory_detectVictory"
+  #}
+  return "ERR: memory_detectVictory"
+#}
+
+def test_passContextByValue(
+) -> str:
+  c = memory_createEmptyContext()
+  c.playfieldSize = 2
+  c = memory_generateConstPlayfield(c)
+
+  c.selectedId = 0
+  c.recentField = "selectedId"
+  c1 = memory_selectItem(c)
+
+  c.selectedId = 1
+  c.recentField = "selectedId"
+  c2 = memory_selectItem(c)
+
+  # See if c1 and c2 have different recentField.
+  if (
+    c1.selectedId != c2.selectedId
+  ):
+    return "OK: passContextByValue"
+
+  return "ERR: passContextByValue"
+#}
+

v2/llm.py

@@ -0,0 +1,10 @@
+import copy
+
+# Make deep copies of arguments to mimic behaviour of strongly typed languages.
+# https://stackoverflow.com/a/15398021
+def llm_by_value(f):
+  def _f(*args, **kwargs):
+      argsCopy = copy.deepcopy(args)
+      kwargsCopy = copy.deepcopy(kwargs)
+      return f(*argsCopy, **kwargsCopy)
+  return _f

v2/main.py

@@ -2,6 +2,10 @@ from entities import *
 from functions import *
 
 print(test_memory_generateConstPlayfield())
-print(test_memory_selectOneItem())
-print(test_memory_selectTwoItems())
-print(test_memory_selectThreeItems())
+print(test_selectOneItem())
+print(test_selectTwoItems())
+print(test_selectThreeItems())
+print(test_memory_hideMatchingItems())
+print(test_memory_deselectMismatchedItems())
+print(test_memory_detectVictory())
+print(test_passContextByValue())