c++: comment changes

[bison.git] / data / glr.c

diff --git a/data/glr.c b/data/glr.c
index 7675ac337d5ede76228c7bd1bb0483c297f14c27..fc59b6ba26f157fcdcefa473f801da28cc55e2ab 100644 (file)
--- a/data/glr.c
+++ b/data/glr.c
@@ -55,13 +55,12 @@ m4_define([b4_user_formals],
 [m4_ifset([b4_parse_param], [, b4_formals(b4_parse_param)])])
 
 
 [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
+# b4_lex_formals
+# --------------
+# All the yylex formal arguments.
+m4_define([b4_lex_formals],
+m4_dquote(b4_pure_if([[[[YYSTYPE *yylvalp]], [[&yylval]]][]dnl
+b4_locations_if([, [[YYLTYPE *yyllocp], [&yylloc]]])])dnl

 m4_ifdef([b4_lex_param], [, ]b4_lex_param)))
 
 
 m4_ifdef([b4_lex_param], [, ]b4_lex_param)))
 
 


@@ -172,8 +171,9 @@ m4_define([b4_rhs_location],
 # b4_shared_declarations
 # ----------------------
 # Declaration that might either go into the header (if --defines)
 # b4_shared_declarations
 # ----------------------
 # Declaration that might either go into the header (if --defines)

-# or open coded in the parser body.
-m4_define([b4_shared_declarations],
+# or open coded in the parser body.  glr.cc has its own definition.
+m4_if(b4_skeleton, ["glr.c"],
+[m4_define([b4_shared_declarations],

 [b4_declare_yydebug[
 ]b4_percent_code_get([[requires]])[
 ]b4_token_enums[
 [b4_declare_yydebug[
 ]b4_percent_code_get([[requires]])[
 ]b4_token_enums[


@@ -181,19 +181,16 @@ m4_define([b4_shared_declarations],
 ]b4_function_declare(b4_prefix[parse], [int], b4_parse_param)[
 ]b4_percent_code_get([[provides]])[]dnl
 ])
 ]b4_function_declare(b4_prefix[parse], [int], b4_parse_param)[
 ]b4_percent_code_get([[provides]])[]dnl
 ])

-
+])

 
 ## -------------- ##
 ## Output files.  ##
 ## -------------- ##
 
 
 ## -------------- ##
 ## Output files.  ##
 ## -------------- ##
 

-# We do want M4 expansion after # for CPP macros.
-m4_changecom()
-m4_divert_push(0)dnl
-@output(b4_parser_file_name@)@
+b4_output_begin([b4_parser_file_name])

 b4_copyright([Skeleton implementation for Bison GLR parsers in C],
 b4_copyright([Skeleton implementation for Bison GLR parsers in C],

-             [2002-2012])
-[
+             [2002-2012])[
+

 /* C GLR parser skeleton written by Paul Hilfinger.  */
 
 ]b4_identification
 /* C GLR parser skeleton written by Paul Hilfinger.  */
 
 ]b4_identification


@@ -231,11 +228,11 @@ b4_percent_code_get([[top]])[
 #endif
 
 /* Default (constant) value used for initialization for null
 #endif
 
 /* Default (constant) value used for initialization for null

-   right-hand sides.  Unlike the standard yacc.c template,
-   here we set the default value of $$ to a zeroed-out value.
-   Since the default value is undefined, this behavior is
-   technically correct.  */
-static YYSTYPE yyval_default;
+   right-hand sides.  Unlike the standard yacc.c template, here we set
+   the default value of $$ to a zeroed-out value.  Since the default
+   value is undefined, this behavior is technically correct.  */
+static YYSTYPE yyval_default;]b4_locations_if([[
+static YYLTYPE yyloc_default][]b4_yyloc_default;])[

 
 /* Copy the second part of user declarations.  */
 ]b4_user_post_prologue
 
 /* Copy the second part of user declarations.  */
 ]b4_user_post_prologue


@@ -249,19 +246,19 @@ b4_percent_code_get[]dnl
 # if defined YYENABLE_NLS && YYENABLE_NLS
 #  if ENABLE_NLS
 #   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
 # if defined YYENABLE_NLS && YYENABLE_NLS
 #  if ENABLE_NLS
 #   include <libintl.h> /* INFRINGES ON USER NAME SPACE */

-#   define YY_(msgid) dgettext ("bison-runtime", msgid)
+#   define YY_(Msgid) dgettext ("bison-runtime", Msgid)

 #  endif
 # endif
 # ifndef YY_
 #  endif
 # endif
 # ifndef YY_

-#  define YY_(msgid) msgid
+#  define YY_(Msgid) Msgid

 # endif
 #endif
 
 /* Suppress unused-variable warnings by "using" E.  */
 #ifdef __GNUC__
 # endif
 #endif
 
 /* Suppress unused-variable warnings by "using" E.  */
 #ifdef __GNUC__

-# define YYUSE(e) ((void) (e))
+# define YYUSE(E) ((void) (E))

 #else
 #else

-# define YYUSE(e) /* empty */
+# define YYUSE(E) /* empty */

 #endif
 
 #ifndef YYFREE
 #endif
 
 #ifndef YYFREE


@@ -287,8 +284,9 @@ b4_percent_code_get[]dnl
 #ifndef YYSETJMP
 # include <setjmp.h>
 # define YYJMP_BUF jmp_buf
 #ifndef YYSETJMP
 # include <setjmp.h>
 # define YYJMP_BUF jmp_buf

-# define YYSETJMP(env) setjmp (env)
-# define YYLONGJMP(env, val) longjmp (env, val)
+# define YYSETJMP(Env) setjmp (Env)
+/* Pacify clang.  */
+# define YYLONGJMP(Env, Val) (longjmp (Env, Val), YYASSERT (0))

 #endif
 
 /*-----------------.
 #endif
 
 /*-----------------.


@@ -303,15 +301,8 @@ b4_percent_code_get[]dnl
 # endif
 #endif
 
 # endif
 #endif
 

-]b4_locations_if([#define YYOPTIONAL_LOC(Name) Name],[
-#ifdef __cplusplus
-# define YYOPTIONAL_LOC(Name) /* empty */
-#else
-# define YYOPTIONAL_LOC(Name) Name __attribute__ ((__unused__))
-#endif])[
-

 #ifndef YYASSERT
 #ifndef YYASSERT

-# define YYASSERT(condition) ((void) ((condition) || (abort (), 0)))
+# define YYASSERT(Condition) ((void) ((Condition) || (abort (), 0)))

 #endif
 
 /* YYFINAL -- State number of the termination state.  */
 #endif
 
 /* YYFINAL -- State number of the termination state.  */


@@ -405,36 +396,20 @@ dnl We probably ought to introduce a type for confl.
 {
   ]b4_conflicting_rules[
 };
 {
   ]b4_conflicting_rules[
 };

-\f
+

 /* Error token number */
 #define YYTERROR 1
 
 ]b4_locations_if([[
 /* Error token number */
 #define YYTERROR 1
 
 ]b4_locations_if([[

-#ifndef YYLLOC_DEFAULT

 ]b4_yylloc_default_define[
 # define YYRHSLOC(Rhs, K) ((Rhs)[K].yystate.yyloc)
 ]b4_yylloc_default_define[
 # define YYRHSLOC(Rhs, K) ((Rhs)[K].yystate.yyloc)

-
-/* YY_LOCATION_PRINT -- Print the location on the stream.
-   This macro was not mandated originally: define only if we know
-   we won't break user code: when these are the locations we know.  */
-
-# define YY_LOCATION_PRINT(File, Loc)                   \
-    fprintf (File, "%d.%d-%d.%d",                       \
-             (Loc).first_line, (Loc).first_column,      \
-             (Loc).last_line,  (Loc).last_column)
-#endif
-]],[
-#ifndef YYLLOC_DEFAULT
-# define YYLLOC_DEFAULT(Current, Rhs, N) ((void) 0)
-#endif
-])[
-
-#ifndef YY_LOCATION_PRINT
-# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
-#endif
+]])[
+]b4_yy_location_print_define[

 
 /* YYLEX -- calling `yylex' with the right arguments.  */
 
 /* YYLEX -- calling `yylex' with the right arguments.  */

-#define YYLEX ]b4_function_call([yylex], [int], b4_lex_param)[
+#ifndef YYLEX
+# define YYLEX ]b4_function_call([yylex], [int], b4_lex_formals)[
+#endif

 
 ]b4_pure_if(
 [
 
 ]b4_pure_if(
 [


@@ -497,6 +472,12 @@ typedef enum { yyok, yyaccept, yyabort, yyerr } YYRESULTTAG;
    multiple parsers can coexist.  */
 int yydebug;
 
    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)
 #else /* !]b4_api_PREFIX[DEBUG */
 
 # define YYDPRINTF(Args)


@@ -855,7 +836,7 @@ yyuserMerge (int yyn, YYSTYPE* yy0, YYSTYPE* yy1)
 
   switch (yyn)
     {
 
   switch (yyn)
     {

-      ]b4_mergers[
+]b4_mergers[

       default: break;
     }
 }
       default: break;
     }
 }


@@ -912,8 +893,8 @@ yylhsNonterm (yyRuleNum yyrule)
   return yyr1[yyrule];
 }
 
   return yyr1[yyrule];
 }
 

-#define yypact_value_is_default(yystate) \
-  ]b4_table_value_equals([[pact]], [[yystate]], [b4_pact_ninf])[
+#define yypact_value_is_default(Yystate) \
+  ]b4_table_value_equals([[pact]], [[Yystate]], [b4_pact_ninf])[

 
 /** True iff LR state YYSTATE has only a default reduction (regardless
  *  of token).  */
 
 /** True iff LR state YYSTATE has only a default reduction (regardless
  *  of token).  */


@@ -930,8 +911,8 @@ yydefaultAction (yyStateNum yystate)
   return yydefact[yystate];
 }
 
   return yydefact[yystate];
 }
 

-#define yytable_value_is_error(yytable_value) \
-  ]b4_table_value_equals([[table]], [[yytable_value]], [b4_table_ninf])[
+#define yytable_value_is_error(Yytable_value) \
+  ]b4_table_value_equals([[table]], [[Yytable_value]], [b4_table_ninf])[

 
 /** Set *YYACTION to the action to take in YYSTATE on seeing YYTOKEN.
  *  Result R means
 
 /** Set *YYACTION to the action to take in YYSTATE on seeing YYTOKEN.
  *  Result R means


@@ -2023,10 +2004,10 @@ yyreportSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
 #if ! YYERROR_VERBOSE
   yyerror (]b4_lyyerror_args[YY_("syntax error"));
 #else
 #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;
   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 };
   yybool yysize_overflow = yyfalse;
   char* yymsg = YY_NULL;
   enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };


@@ -2086,9 +2067,11 @@ yyreportSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
                     break;
                   }
                 yyarg[yycount++] = yytokenName (yyx);
                     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;
+                }

               }
         }
     }
               }
         }
     }


@@ -2108,9 +2091,11 @@ yyreportSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
 #undef YYCASE_
     }
 
 #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);
 
   if (!yysize_overflow)
     yymsg = (char *) YYMALLOC (yysize);


@@ -2140,6 +2125,7 @@ yyreportSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
       yyerror (]b4_lyyerror_args[YY_("syntax error"));
       yyMemoryExhausted (yystackp);
     }
       yyerror (]b4_lyyerror_args[YY_("syntax error"));
       yyMemoryExhausted (yystackp);
     }

+  }

 #endif /* YYERROR_VERBOSE */
   yynerrs += 1;
 }
 #endif /* YYERROR_VERBOSE */
   yynerrs += 1;
 }


@@ -2276,14 +2262,9 @@ yyrecoverSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
   YYDPRINTF ((stderr, "Starting parse\n"));
 
   yychar = YYEMPTY;
   YYDPRINTF ((stderr, "Starting parse\n"));
 
   yychar = YYEMPTY;

-  yylval = yyval_default;
-]b4_locations_if([
-#if defined ]b4_api_PREFIX[LTYPE_IS_TRIVIAL && ]b4_api_PREFIX[LTYPE_IS_TRIVIAL
-  yylloc.first_line   = yylloc.last_line   = ]b4_location_initial_line[;
-  yylloc.first_column = yylloc.last_column = ]b4_location_initial_column[;
-#endif
-])
-m4_ifdef([b4_initial_action], [
+  yylval = yyval_default;]b4_locations_if([
+  yylloc = yyloc_default;])[
+]m4_ifdef([b4_initial_action], [

 b4_dollar_pushdef([yylval], [], [yylloc])dnl
   /* User initialization code.  */
   b4_user_initial_action
 b4_dollar_pushdef([yylval], [], [yylloc])dnl
   /* User initialization code.  */
   b4_user_initial_action


@@ -2508,10 +2489,6 @@ b4_dollar_popdef])[]dnl
 
 /* DEBUGGING ONLY */
 #if ]b4_api_PREFIX[DEBUG
 
 /* 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)
 {
 static void
 yy_yypstack (yyGLRState* yys)
 {


@@ -2581,17 +2558,17 @@ yypdumpstack (yyGLRStack* yystackp)
 }
 #endif
 ]b4_epilogue[]dnl
 }
 #endif
 ]b4_epilogue[]dnl

-dnl
-dnl glr.cc produces its own header.
-dnl
+b4_output_end()
+
+# glr.cc produces its own header.

 m4_if(b4_skeleton, ["glr.c"],
 [b4_defines_if(
 m4_if(b4_skeleton, ["glr.c"],
 [b4_defines_if(

-[@output(b4_spec_defines_file@)@
+[b4_output_begin([b4_spec_defines_file])

 b4_copyright([Skeleton interface for Bison GLR parsers in C],
              [2002-2012])[
 
 ]b4_cpp_guard_open([b4_spec_defines_file])[
 ]b4_shared_declarations[
 ]b4_cpp_guard_close([b4_spec_defines_file])[
 b4_copyright([Skeleton interface for Bison GLR parsers in C],
              [2002-2012])[
 
 ]b4_cpp_guard_open([b4_spec_defines_file])[
 ]b4_shared_declarations[
 ]b4_cpp_guard_close([b4_spec_defines_file])[

-]])])dnl
-m4_divert_pop(0)
+]b4_output_end()
+])])