diff mbox series

[2/3] genksyms: remove dead code for ST_TABLE_*

Message ID 20210115234305.87205-2-masahiroy@kernel.org (mailing list archive)
State New
Headers show
Series [1/3] genksyms: make source_file a local variable in lexer | expand

Commit Message

Masahiro Yamada Jan. 15, 2021, 11:43 p.m. UTC
No one sets lexstate to ST_TABLE_*. It is is very old code, and I do
not know what was the plan at that time. Let's remove the dead code.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---

 scripts/genksyms/lex.l | 54 ------------------------------------------
 1 file changed, 54 deletions(-)
diff mbox series

Patch

diff --git a/scripts/genksyms/lex.l b/scripts/genksyms/lex.l
index 9e88c100fc28..9cb075cf6a34 100644
--- a/scripts/genksyms/lex.l
+++ b/scripts/genksyms/lex.l
@@ -119,8 +119,6 @@  yylex(void)
   static enum {
     ST_NOTSTARTED, ST_NORMAL, ST_ATTRIBUTE, ST_ASM, ST_TYPEOF, ST_TYPEOF_1,
     ST_BRACKET, ST_BRACE, ST_EXPRESSION, ST_STATIC_ASSERT,
-    ST_TABLE_1, ST_TABLE_2, ST_TABLE_3, ST_TABLE_4,
-    ST_TABLE_5, ST_TABLE_6
   } lexstate = ST_NOTSTARTED;
 
   static int suppress_type_lookup, dont_want_brace_phrase;
@@ -427,58 +425,6 @@  repeat:
 	}
       break;
 
-    case ST_TABLE_1:
-      goto repeat;
-
-    case ST_TABLE_2:
-      if (token == IDENT && yyleng == 1 && yytext[0] == 'X')
-	{
-	  token = EXPORT_SYMBOL_KEYW;
-	  lexstate = ST_TABLE_5;
-	  APP;
-	  break;
-	}
-      lexstate = ST_TABLE_6;
-      /* FALLTHRU */
-
-    case ST_TABLE_6:
-      switch (token)
-	{
-	case '{': case '[': case '(':
-	  ++count;
-	  break;
-	case '}': case ']': case ')':
-	  --count;
-	  break;
-	case ',':
-	  if (count == 0)
-	    lexstate = ST_TABLE_2;
-	  break;
-	};
-      goto repeat;
-
-    case ST_TABLE_3:
-      goto repeat;
-
-    case ST_TABLE_4:
-      if (token == ';')
-	lexstate = ST_NORMAL;
-      goto repeat;
-
-    case ST_TABLE_5:
-      switch (token)
-	{
-	case ',':
-	  token = ';';
-	  lexstate = ST_TABLE_2;
-	  APP;
-	  break;
-	default:
-	  APP;
-	  break;
-	}
-      break;
-
     default:
       exit(1);
     }