maint: restore ANSI 89 compliance

[bison.git] / data / glr.c

diff --git a/data/glr.c b/data/glr.c
index 1e82e5891ff472b1ce75c9cae3bf8b2cca979f02..106b95a7b59d6221e480e23d68fdae1776f1310e 100644 (file)
--- a/data/glr.c
+++ b/data/glr.c
@@ -55,16 +55,6 @@ m4_define([b4_user_formals],
 [m4_ifset([b4_parse_param], [, b4_formals(b4_parse_param)])])
 
 
-# b4_lex_param
-# ------------
-# Accumule in b4_lex_param all the yylex arguments.
-# Yes, this is quite ugly...
-m4_define([b4_lex_param],
-m4_dquote(b4_pure_if([[[[YYSTYPE *]], [[&yylval]]][]dnl
-b4_locations_if([, [[YYLTYPE *], [&yylloc]]])])dnl
-m4_ifdef([b4_lex_param], [, ]b4_lex_param)))
-
-
 # b4_yyerror_args
 # ---------------
 # Optional effective arguments passed to yyerror: user args plus yylloc, and
@@ -286,7 +276,7 @@ b4_percent_code_get[]dnl
 # include <setjmp.h>
 # define YYJMP_BUF jmp_buf
 # define YYSETJMP(Env) setjmp (Env)
-// Pacify clang.
+/* Pacify clang.  */
 # define YYLONGJMP(Env, Val) (longjmp (Env, Val), YYASSERT (0))
 #endif
 
@@ -391,7 +381,7 @@ static const ]b4_int_type_for([b4_conflict_list_heads])[ yyconflp[] =
 /* YYCONFL[I] -- lists of conflicting rule numbers, each terminated by
    0, pointed into by YYCONFLP.  */
 ]dnl Do not use b4_int_type_for here, since there are places where
-dnl pointers onto yyconfl are taken, which type is "short int *".
+dnl pointers onto yyconfl are taken, whose type is "short int *".
 dnl We probably ought to introduce a type for confl.
 [static const short int yyconfl[] =
 {
@@ -407,9 +397,6 @@ dnl We probably ought to introduce a type for confl.
 ]])[
 ]b4_yy_location_print_define[
 
-/* YYLEX -- calling `yylex' with the right arguments.  */
-#define YYLEX ]b4_function_call([yylex], [int], b4_lex_param)[
-
 ]b4_pure_if(
 [
 #undef yynerrs
@@ -471,6 +458,12 @@ typedef enum { yyok, yyaccept, yyabort, yyerr } YYRESULTTAG;
    multiple parsers can coexist.  */
 int yydebug;
 
+struct yyGLRStack;
+static void yypstack (struct yyGLRStack* yystackp, size_t yyk)
+  __attribute__ ((__unused__));
+static void yypdumpstack (struct yyGLRStack* yystackp)
+  __attribute__ ((__unused__));
+
 #else /* !]b4_api_PREFIX[DEBUG */
 
 # define YYDPRINTF(Args)
@@ -1919,7 +1912,7 @@ yyprocessOneStack (yyGLRStack* yystackp, size_t yyk,
           if (yychar == YYEMPTY)
             {
               YYDPRINTF ((stderr, "Reading a token: "));
-              yychar = YYLEX;
+              yychar = ]b4_lex[;
             }
 
           if (yychar <= YYEOF)
@@ -1997,10 +1990,10 @@ yyreportSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
 #if ! YYERROR_VERBOSE
   yyerror (]b4_lyyerror_args[YY_("syntax error"));
 #else
+  {
   yySymbol yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar);
   size_t yysize0 = yytnamerr (YY_NULL, yytokenName (yytoken));
   size_t yysize = yysize0;
-  size_t yysize1;
   yybool yysize_overflow = yyfalse;
   char* yymsg = YY_NULL;
   enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
@@ -2060,9 +2053,11 @@ yyreportSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
                     break;
                   }
                 yyarg[yycount++] = yytokenName (yyx);
-                yysize1 = yysize + yytnamerr (YY_NULL, yytokenName (yyx));
-                yysize_overflow |= yysize1 < yysize;
-                yysize = yysize1;
+                {
+                  size_t yysz = yysize + yytnamerr (YY_NULL, yytokenName (yyx));
+                  yysize_overflow |= yysz < yysize;
+                  yysize = yysz;
+                }
               }
         }
     }
@@ -2082,9 +2077,11 @@ yyreportSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
 #undef YYCASE_
     }
 
-  yysize1 = yysize + strlen (yyformat);
-  yysize_overflow |= yysize1 < yysize;
-  yysize = yysize1;
+  {
+    size_t yysz = yysize + strlen (yyformat);
+    yysize_overflow |= yysz < yysize;
+    yysize = yysz;
+  }
 
   if (!yysize_overflow)
     yymsg = (char *) YYMALLOC (yysize);
@@ -2114,6 +2111,7 @@ yyreportSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
       yyerror (]b4_lyyerror_args[YY_("syntax error"));
       yyMemoryExhausted (yystackp);
     }
+  }
 #endif /* YYERROR_VERBOSE */
   yynerrs += 1;
 }
@@ -2149,7 +2147,7 @@ yyrecoverSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
                         yytoken, &yylval]b4_locuser_args([&yylloc])[);
           }
         YYDPRINTF ((stderr, "Reading a token: "));
-        yychar = YYLEX;
+        yychar = ]b4_lex[;
         if (yychar <= YYEOF)
           {
             yychar = yytoken = YYEOF;
@@ -2303,7 +2301,7 @@ b4_dollar_popdef])[]dnl
               if (yychar == YYEMPTY)
                 {
                   YYDPRINTF ((stderr, "Reading a token: "));
-                  yychar = YYLEX;
+                  yychar = ]b4_lex[;
                 }
 
               if (yychar <= YYEOF)
@@ -2477,10 +2475,6 @@ b4_dollar_popdef])[]dnl
 
 /* DEBUGGING ONLY */
 #if ]b4_api_PREFIX[DEBUG
-static void yypstack (yyGLRStack* yystackp, size_t yyk)
-  __attribute__ ((__unused__));
-static void yypdumpstack (yyGLRStack* yystackp) __attribute__ ((__unused__));
-
 static void
 yy_yypstack (yyGLRState* yys)
 {