use inspect to gather members for text_command_classes

original-commit-id: f5e5c110d1301745c4137e4c8c3fe66155a330d2

crystal.py

@@ -2174,7 +2174,6 @@ class WriteCurrentDay(TextCommand):
     id = 0x15
     macro_name = "current_day"
     size = 1
-
 class TextJump(TextCommand):
     "16 = 3byte pointer to new text follows. Structure: [16][2byte pointer][bank]"
     id = 0x16
@@ -2184,6 +2183,11 @@ class TextJump(TextCommand):
         0: {"name": "text", "class": TextPointerLabelAfterBankParam},
     }
 
+text_command_classes = inspect.getmembers(sys.modules[__name__], \
+                       lambda obj: inspect.isclass(obj) and \
+                       issubclass(obj, TextCommand) and \
+                       obj != TextCommand)
+
 #byte: [name, [param1 name, param1 type], [param2 name, param2 type], ...]
 #0x9E: ["verbosegiveitem", ["item", ItemLabelByte], ["quantity", SingleByteParam]],
 pksv_crystal_more = {