[PATCH 07/16] c++: fix a few style issues

[Akim Demaille]

* data/skeletons/lalr1.cc (yystack_print_, yy_reduce_print_): Add
missing const.
(yystack_print_): Rename as...
(yy_stack_print_): this.
* data/skeletons/glr.cc (yy_symbol_value_print_, yy_symbol_print_):
Add missing const.
---
 data/skeletons/glr.cc   | 10 +++++-----
 data/skeletons/lalr1.cc | 10 +++++-----
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/data/skeletons/glr.cc b/data/skeletons/glr.cc
index b5f46ccd..05c9f3eb 100644
--- a/data/skeletons/glr.cc
+++ b/data/skeletons/glr.cc
@@ -167,7 +167,7 @@ m4_pushdef([b4_parse_param], 
m4_defn([b4_parse_param_orig]))dnl
   void
   ]b4_parser_class[::yy_symbol_value_print_ (symbol_kind_type yykind,
                            const semantic_type* yyvaluep]b4_locations_if([[,
-                           const location_type* yylocationp]])[)
+                           const location_type* yylocationp]])[) const
   {]b4_locations_if([[
     YYUSE (yylocationp);]])[
     YYUSE (yyvaluep);
@@ -181,7 +181,7 @@ m4_pushdef([b4_parse_param], 
m4_defn([b4_parse_param_orig]))dnl
   void
   ]b4_parser_class[::yy_symbol_print_ (symbol_kind_type yykind,
                            const semantic_type* yyvaluep]b4_locations_if([[,
-                           const location_type* yylocationp]])[)
+                           const location_type* yylocationp]])[) const
   {
     *yycdebug_ << (yykind < YYNTOKENS ? "token" : "nterm")
                << ' ' << yytname[yykind] << " ("]b4_locations_if([[
@@ -317,16 +317,16 @@ b4_percent_code_get([[requires]])[
     /// \param yylocationp  Its location.]])[
     virtual void yy_symbol_value_print_ (symbol_kind_type yykind,
                                          const semantic_type* 
yyvaluep]b4_locations_if([[,
-                                         const location_type* yylocationp]])[);
+                                         const location_type* yylocationp]])[) 
const;
     /// \brief Report a symbol on the debug stream.
     /// \param yykind       The symbol kind.
     /// \param yyvaluep     Its semantic value.]b4_locations_if([[
     /// \param yylocationp  Its location.]])[
     virtual void yy_symbol_print_ (symbol_kind_type yykind,
                                    const semantic_type* 
yyvaluep]b4_locations_if([[,
-                                   const location_type* yylocationp]])[);
+                                   const location_type* yylocationp]])[) const;
   private:
-    // Debugging.
+    /// Debug stream.
     std::ostream* yycdebug_;
 #endif
 
diff --git a/data/skeletons/lalr1.cc b/data/skeletons/lalr1.cc
index ca75acf3..a44090af 100644
--- a/data/skeletons/lalr1.cc
+++ b/data/skeletons/lalr1.cc
@@ -331,9 +331,9 @@ m4_define([b4_shared_declarations],
 ]b4_integral_parser_table_declare([rline], [b4_rline],
      [[YYRLINE[YYN] -- Source line where rule number YYN was defined.]])[
     /// Report on the debug stream that the rule \a r is going to be reduced.
-    virtual void yy_reduce_print_ (int r);
+    virtual void yy_reduce_print_ (int r) const;
     /// Print the state stack on the debug stream.
-    virtual void yystack_print_ ();
+    virtual void yy_stack_print_ () const;
 
     /// Debugging level.
     int yydebug_;
@@ -567,7 +567,7 @@ m4_if(b4_prefix, [yy], [],
 # define YY_STACK_PRINT()               \
   do {                                  \
     if (yydebug_)                       \
-      yystack_print_ ();                \
+      yy_stack_print_ ();                \
   } while (false)
 
 #else // !]b4_api_PREFIX[DEBUG
@@ -1538,7 +1538,7 @@ b4_dollar_popdef])[]dnl
 ]b4_integral_parser_table_define([rline], [b4_rline])[
 
   void
-  ]b4_parser_class[::yystack_print_ ()
+  ]b4_parser_class[::yy_stack_print_ () const
   {
     *yycdebug_ << "Stack now";
     for (stack_type::const_iterator
@@ -1550,7 +1550,7 @@ b4_dollar_popdef])[]dnl
   }
 
   void
-  ]b4_parser_class[::yy_reduce_print_ (int yyrule)
+  ]b4_parser_class[::yy_reduce_print_ (int yyrule) const
   {
     int yylno = yyrline_[yyrule];
     int yynrhs = yyr2_[yyrule];
-- 
2.26.2