address review: lowercase and move invalid rule

Author: skirpichev

Grammar/python.gram

@@ -815,13 +815,6 @@ in_bitwise_or[CmpopExprPair*]: 'in' a=bitwise_or { _PyPegen_cmpop_expr_pair(p, I
 isnot_bitwise_or[CmpopExprPair*]: 'is' 'not' a=bitwise_or { _PyPegen_cmpop_expr_pair(p, IsNot, a) }
 is_bitwise_or[CmpopExprPair*]: 'is' a=bitwise_or { _PyPegen_cmpop_expr_pair(p, Is, a) }
 
-invalid_noteq:
-    | a='<' b='>' {
-      _PyPegen_tokens_are_adjacent(a, b)
-      ? RAISE_SYNTAX_ERROR_KNOWN_RANGE(a, b, "invalid syntax.  Maybe you meant '!=' instead of '<>'?")
-      : NULL
-    }
-
 # Bitwise operators
 # -----------------
 
@@ -1667,3 +1660,10 @@ invalid_bitwise_or:
         ? RAISE_SYNTAX_ERROR_KNOWN_RANGE(b, c, "invalid syntax.  Maybe you meant 'or' or '|' instead of '||'?")
         : NULL
     }
+
+invalid_noteq:
+    | a='<' b='>' {
+      _PyPegen_tokens_are_adjacent(a, b)
+      ? RAISE_SYNTAX_ERROR_KNOWN_RANGE(a, b, "invalid syntax.  Maybe you meant '!=' instead of '<>'?")
+      : NULL
+    }

Parser/action_helpers.c

@@ -2076,7 +2076,7 @@ _PyPegen_checked_from_import(Parser *p, asdl_seq *dots, expr_ty module_name,
             alias_ty alias = asdl_seq_GET(names, i);
             if (PyUnicode_CompareWithASCIIString(alias->name, "barry_as_FLUFL") == 0) {
                 p->flags |= PyPARSE_BARRY_AS_BDFL;
-                p->tok->BARRY_AS_BDFL = 1;
+                p->tok->barry_as_bdfl = 1;
             }
         }
     }

Parser/lexer/lexer.c

@@ -562,7 +562,7 @@ _PyLexer_get_normal_mode(struct tok_state *tok, tokenizer_mode* current_tok, str
     /* Check for two-character token */
     {
         int c2 = tok_nextc(tok);
-        int current_token = _PyToken_TwoChars(c, c2, tok->BARRY_AS_BDFL);
+        int current_token = _PyToken_TwoChars(c, c2, tok->barry_as_bdfl);
         if (current_token != OP) {
             int c3 = tok_nextc(tok);
             int current_token3 = _PyToken_ThreeChars(c, c2, c3);

Parser/lexer/state.c

@@ -63,7 +63,7 @@ _PyTokenizer_tok_new(void)
 #ifdef Py_DEBUG
     tok->debug = _Py_GetConfig()->parser_debug;
 #endif
-    tok->BARRY_AS_BDFL = 0;
+    tok->barry_as_bdfl = 0;
     return tok;
 }
 

Parser/lexer/state.h

@@ -137,7 +137,7 @@ struct tok_state {
 #ifdef Py_DEBUG
     int debug;
 #endif
-    int BARRY_AS_BDFL;
+    int barry_as_bdfl;
 };
 
 int _PyLexer_type_comment_token_setup(struct tok_state *tok, struct token *token, int type, int col_offset,