From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Tue, 18 Jun 2019 00:34:32 +0000 (+0200)
Subject: Remove nonterminals that semantic claims are useless
X-Git-Tag: emacs-27.0.90~2426
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=1b855aa8dd0cf41e515fcec1083196b60e98aafe;p=emacs.git

Remove nonterminals that semantic claims are useless

* admin/grammars/js.wy (VariableStatement): Remove useless
nonterminals.

Debug output from wisent:

Useless nonterminals:

   StatementList
   BlockExpand
---

diff --git a/admin/grammars/js.wy b/admin/grammars/js.wy
index 441fd416c12..e5a7c9be71f 100644
--- a/admin/grammars/js.wy
+++ b/admin/grammars/js.wy
@@ -296,19 +296,11 @@ FormalParameterList: OPEN_PARENTHESIS
 		     ()
 		   ;
 
-StatementList : Statement
-              | StatementList Statement
-              ;
-
 Block : BRACE_BLOCK
      ;; If you want to parse the body of the function
      ;; ( EXPANDFULL $1 BlockExpand )
       ;
 
-BlockExpand: START_BLOCK StatementList END_BLOCK
-	   | START_BLOCK END_BLOCK
-	   ;
-
 VariableStatement : VAR VariableDeclarationList SEMICOLON
 		    (VARIABLE-TAG $2 nil nil)
                   ;