lib: Drop the bogus (and sometimes cycling) comment collection

lib/parsing/parser.py

@@ -255,16 +255,7 @@ class DFABuilder(DFAListener):
 
     # for future support of comments
     def exitComment(self, ctx):
-        comment = ""
-        i = 0
-        while ctx.anyvalue(i) is not None:
-            if ctx.anyvalue(i).ANYCHAR():
-                comment += str(ctx.anyvalue(i).ANYCHAR())
-            if ctx.anyvalue(i).STATE():
-                comment += str(ctx.anyvalue(i).STATE())
-            # add more of tokens (EQUALS, COMMA, ...) if needed
-            # or change allowed tokens in grammar definition
-            i += 1
+        return None
 
 
 class NFABuilder(NFAListener):
@@ -326,7 +317,7 @@ class NFABuilder(NFAListener):
         if self.first_state is None:
             self.first_state = state
 
-    def exitFinal(self, ctx):
+    def exitFinal(self, ctx) -> None:
         i = 0
         while ctx.stateset().statename(i) is not None:
             state = State(self.visitStatename(ctx.stateset().statename(i)))
@@ -335,16 +326,8 @@ class NFABuilder(NFAListener):
             i += 1
 
     # for future support of comments
-    def exitComment(self, ctx):
-        comment = ""
-        i = 0
-        while ctx.anyvalue(i) is not None:
-            while ctx.anyvalue(i) is not None:
-                for attribute in self.anyvalue_attributes:
-                    value = getattr(ctx.anyvalue(i), attribute)()
-                    if value is not None:
-                        comment += str(value)
-            i += 1
+    def exitComment(self, ctx) -> None:
+        return None
 
 
 class RegExBuilder(RegExVisitor):
@@ -426,17 +409,8 @@ class RegExBuilder(RegExVisitor):
 
 
     # for future support of comments
-    def exitComment(self, ctx):
-        comment = ""
-        i = 0
-        while ctx.anyvalue(i) is not None:
-            if ctx.anyvalue(i).ANYCHAR():
-                comment += str(ctx.anyvalue(i).ANYCHAR())
-            if ctx.anyvalue(i).STATE():
-                comment += str(ctx.anyvalue(i).STATE())
-            # add more of tokens (EQUALS, COMMA, ...) if needed
-            # or change allowed tokens in grammar definition
-            i += 1
+    def exitComment(self, ctx) -> None:
+        return None
 
 class CFGBuilder(CFGListener):
     anyvalue_attributes = anyvalue_attributes(CFGParser)
@@ -518,14 +492,5 @@ class CFGBuilder(CFGListener):
             i += 1
 
     # for future support of comments
-    def exitComment(self, ctx):
-        comment = ""
-        i = 0
-        while ctx.anyvalue(i) is not None:
-            if ctx.anyvalue(i).ANYCHAR():
-                comment += str(ctx.anyvalue(i).ANYCHAR())
-            if ctx.anyvalue(i).STATE():
-                comment += str(ctx.anyvalue(i).STATE())
-            # add more of tokens (EQUALS, COMMA, ...) if needed
-            # or change allowed tokens in grammar definition
-            i += 1
\ No newline at end of file
+    def exitComment(self, ctx) -> None:
+        return None