c++: api.location.type

[bison.git] / data / glr.cc

diff --git a/data/glr.cc b/data/glr.cc
index 0bc1f9fa53e0958e926d3ba3921259d0ce08097e..6527b0a2b4b72dcde32d99e4d33267d518e17def 100644 (file)
--- a/data/glr.cc
+++ b/data/glr.cc
@@ -54,7 +54,7 @@ b4_defines_if([],
               [b4_fatal([b4_skeleton[: using %%defines is mandatory]])])
 
 m4_include(b4_pkgdatadir/[c++.m4])
               [b4_fatal([b4_skeleton[: using %%defines is mandatory]])])
 
 m4_include(b4_pkgdatadir/[c++.m4])

-b4_percent_define_ifdef([[location_type]], [],
+b4_percent_define_ifdef([[api.location.type]], [],

                         [m4_include(b4_pkgdatadir/[location.cc])])
 
 m4_define([b4_parser_class_name],
                         [m4_include(b4_pkgdatadir/[location.cc])])
 
 m4_define([b4_parser_class_name],


@@ -78,9 +78,9 @@ m4_define([b4_yy_symbol_print_generate],
     [static void],
     [[FILE *],               []],
     [[int yytype],           [yytype]],
     [static void],
     [[FILE *],               []],
     [[int yytype],           [yytype]],

-    [[const b4_namespace_ref::b4_parser_class_name::semantic_type *yyvaluep],
+    [[const ]b4_namespace_ref::b4_parser_class_name[::semantic_type *yyvaluep],

                              [yyvaluep]],
                              [yyvaluep]],

-    [[const b4_namespace_ref::b4_parser_class_name::location_type *yylocationp],
+    [[const ]b4_namespace_ref::b4_parser_class_name[::location_type *yylocationp],

                              [yylocationp]],
     b4_parse_param)[
 {
                              [yylocationp]],
     b4_parse_param)[
 {


@@ -90,19 +90,22 @@ m4_define([b4_yy_symbol_print_generate],
 ]])
 
 
 ]])
 
 

-# Declare yyerror.
+# Hijack the post prologue to insert early definition of YYLLOC_DEFAULT
+# and declaration of yyerror.

 m4_append([b4_post_prologue],
 m4_append([b4_post_prologue],

-[b4_syncline([@oline@], [@ofile@])
-
-b4_c_ansi_function_decl([yyerror],
+[b4_syncline([@oline@], [@ofile@])[
+]b4_yylloc_default_define[
+#define YYRHSLOC(Rhs, K) ((Rhs)[K].yystate.yyloc)
+]b4_c_ansi_function_decl([yyerror],

     [static void],
     [static void],

-    [[const b4_namespace_ref::b4_parser_class_name::location_type *yylocationp],
+    [[const ]b4_namespace_ref::b4_parser_class_name[::location_type *yylocationp],

                         [yylocationp]],
     b4_parse_param,
     [[const char* msg], [msg]])])
 
 
                         [yylocationp]],
     b4_parse_param,
     [[const char* msg], [msg]])])
 
 

-# Define yyerror.
+# Hijack the epilogue to define implementations (yyerror, parser member
+# functions etc.).

 m4_append([b4_epilogue],
 [b4_syncline([@oline@], [@ofile@])[
 /*------------------.
 m4_append([b4_epilogue],
 [b4_syncline([@oline@], [@ofile@])[
 /*------------------.


@@ -111,7 +114,7 @@ m4_append([b4_epilogue],
 
 ]b4_c_ansi_function_def([yyerror],
     [static void],
 
 ]b4_c_ansi_function_def([yyerror],
     [static void],

-    [[const b4_namespace_ref::b4_parser_class_name::location_type *yylocationp],
+    [[const ]b4_namespace_ref::b4_parser_class_name[::location_type *yylocationp],

                         [yylocationp]],
     b4_parse_param,
     [[const char* msg], [msg]])[
                         [yylocationp]],
     b4_parse_param,
     [[const char* msg], [msg]])[


@@ -127,8 +130,8 @@ m4_pushdef([b4_parse_param], m4_defn([b4_parse_param_orig]))dnl
 [  /// Build a parser object.
   ]b4_parser_class_name::b4_parser_class_name[ (]b4_parse_param_decl[)]m4_ifset([b4_parse_param], [
     :])[
 [  /// Build a parser object.
   ]b4_parser_class_name::b4_parser_class_name[ (]b4_parse_param_decl[)]m4_ifset([b4_parse_param], [
     :])[

-#if YYDEBUG
-    ]m4_ifset([b4_parse_param], [  ], [ :])[yydebug_ (false),
+#if ]b4_api_PREFIX[DEBUG
+    ]m4_ifset([b4_parse_param], [  ], [ :])[

       yycdebug_ (&std::cerr)]m4_ifset([b4_parse_param], [,])[
 #endif]b4_parse_param_cons[
   {
       yycdebug_ (&std::cerr)]m4_ifset([b4_parse_param], [,])[
 #endif]b4_parse_param_cons[
   {


@@ -144,7 +147,7 @@ m4_pushdef([b4_parse_param], m4_defn([b4_parse_param_orig]))dnl
     return ::yyparse (*this]b4_user_args[);
   }
 
     return ::yyparse (*this]b4_user_args[);
   }
 

-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG

   /*--------------------.
   | Print this symbol.  |
   `--------------------*/
   /*--------------------.
   | Print this symbol.  |
   `--------------------*/


@@ -196,29 +199,28 @@ m4_pushdef([b4_parse_param], m4_defn([b4_parse_param_orig]))dnl
   ]b4_parser_class_name[::debug_level_type
   ]b4_parser_class_name[::debug_level () const
   {
   ]b4_parser_class_name[::debug_level_type
   ]b4_parser_class_name[::debug_level () const
   {

-    return yydebug_;
+    return yydebug;

   }
 
   void
   ]b4_parser_class_name[::set_debug_level (debug_level_type l)
   {
   }
 
   void
   ]b4_parser_class_name[::set_debug_level (debug_level_type l)
   {

-    yydebug_ = l;
+    // Actually, it is yydebug which is really used.
+    yydebug = l;

   }
 
 #endif
 ]m4_popdef([b4_parse_param])dnl
   }
 
 #endif
 ]m4_popdef([b4_parse_param])dnl

-b4_namespace_close[
-
-]])
+b4_namespace_close])

 
 
 # Let glr.c believe that the user arguments include the parser itself.
 m4_ifset([b4_parse_param],
 [m4_pushdef([b4_parse_param],
 
 
 # Let glr.c believe that the user arguments include the parser itself.
 m4_ifset([b4_parse_param],
 [m4_pushdef([b4_parse_param],

-            m4_dquote([[[b4_namespace_ref::b4_parser_class_name& yyparser], [[yyparser]]],]
-m4_defn([b4_parse_param])))],
+            [[b4_namespace_ref::b4_parser_class_name[& yyparser], [[yyparser]]],]
+m4_defn([b4_parse_param]))],

 [m4_pushdef([b4_parse_param],
 [m4_pushdef([b4_parse_param],

-            [[[[b4_namespace_ref::b4_parser_class_name& yyparser], [[yyparser]]]]])
+            [[b4_namespace_ref::b4_parser_class_name[& yyparser], [[yyparser]]]])

 ])
 m4_include(b4_pkgdatadir/[glr.c])
 m4_popdef([b4_parse_param])
 ])
 m4_include(b4_pkgdatadir/[glr.c])
 m4_popdef([b4_parse_param])


@@ -234,37 +236,12 @@ b4_copyright([Skeleton interface for Bison GLR parsers in C++],
 
 ]b4_percent_code_get([[requires]])[
 
 
 ]b4_percent_code_get([[requires]])[
 

-#include <string>
-#include <iostream>
-]b4_percent_define_ifdef([[location_type]], [],
-                         [[#include "location.hh"]])[
-
-/* Using locations.  */
-#define YYLSP_NEEDED ]b4_locations_flag[
+# include <string>
+# include <iostream>
+]b4_percent_define_ifdef([[api.location.type]], [],
+                         [[# include "location.hh"]])[

 
 

-/* Enabling traces.  */
-#ifndef YYDEBUG
-# define YYDEBUG ]b4_debug_flag[
-#endif
-
-/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
-   If N is 0, then set CURRENT to the empty location which ends
-   the previous symbol: RHS[0] (always defined).  */
-
-#ifndef YYLLOC_DEFAULT
-# define YYLLOC_DEFAULT(Current, Rhs, N)                                \
-    do                                                                  \
-      if (N)                                                            \
-        {                                                               \
-          (Current).begin  = YYRHSLOC (Rhs, 1).begin;                   \
-          (Current).end    = YYRHSLOC (Rhs, N).end;                     \
-        }                                                               \
-      else                                                              \
-        {                                                               \
-          (Current).begin = (Current).end = YYRHSLOC (Rhs, 0).end;      \
-        }                                                               \
-    while (/*CONSTCOND*/ 0)
-#endif
+]b4_YYDEBUG_define[

 
 ]b4_namespace_open[
   /// A Bison parser.
 
 ]b4_namespace_open[
   /// A Bison parser.


@@ -272,7 +249,7 @@ b4_copyright([Skeleton interface for Bison GLR parsers in C++],
   {
   public:
     /// Symbol semantic values.
   {
   public:
     /// Symbol semantic values.

-#ifndef YYSTYPE
+# ifndef ]b4_api_PREFIX[STYPE

 ]m4_ifdef([b4_stype],
 [    union semantic_type
     {
 ]m4_ifdef([b4_stype],
 [    union semantic_type
     {


@@ -280,12 +257,12 @@ b4_user_stype
     };],
 [m4_if(b4_tag_seen_flag, 0,
 [[    typedef int semantic_type;]],
     };],
 [m4_if(b4_tag_seen_flag, 0,
 [[    typedef int semantic_type;]],

-[[    typedef YYSTYPE semantic_type;]])])[
-#else
-    typedef YYSTYPE semantic_type;
-#endif
+[[    typedef ]b4_api_PREFIX[STYPE semantic_type;]])])[
+# else
+    typedef ]b4_api_PREFIX[STYPE semantic_type;
+# endif

     /// Symbol locations.
     /// Symbol locations.

-    typedef ]b4_percent_define_get([[location_type]],
+    typedef ]b4_percent_define_get([[api.location.type]],

                                    [[location]])[ location_type;
     /// Tokens.
     struct token
                                    [[location]])[ location_type;
     /// Tokens.
     struct token


@@ -324,7 +301,7 @@ b4_user_stype
     virtual void error (const location_type& loc, const std::string& msg);
   private:
 
     virtual void error (const location_type& loc, const std::string& msg);
   private:
 

-#if YYDEBUG
+# if ]b4_api_PREFIX[DEBUG

   public:
     /// \brief Report a symbol value on the debug stream.
     /// \param yytype       The token type.
   public:
     /// \brief Report a symbol value on the debug stream.
     /// \param yytype       The token type.


@@ -342,9 +319,8 @@ b4_user_stype
                                    const location_type* yylocationp);
   private:
     /* Debugging.  */
                                    const location_type* yylocationp);
   private:
     /* Debugging.  */

-    int yydebug_;

     std::ostream* yycdebug_;
     std::ostream* yycdebug_;

-#endif
+# endif

 
 ]b4_parse_param_vars[
   };
 
 ]b4_parse_param_vars[
   };


@@ -353,11 +329,11 @@ b4_user_stype
 b4_percent_define_flag_if([[global_tokens_and_yystype]],
 [b4_token_defines(b4_tokens)])
 [
 b4_percent_define_flag_if([[global_tokens_and_yystype]],
 [b4_token_defines(b4_tokens)])
 [

-#ifndef YYSTYPE
-# define YYSTYPE ]b4_namespace_ref[::]b4_parser_class_name[::semantic_type
+#ifndef ]b4_api_PREFIX[STYPE
+# define ]b4_api_PREFIX[STYPE ]b4_namespace_ref[::]b4_parser_class_name[::semantic_type

 #endif
 #endif

-#ifndef YYLTYPE
-# define YYLTYPE ]b4_namespace_ref[::]b4_parser_class_name[::location_type
+#ifndef ]b4_api_PREFIX[LTYPE
+# define ]b4_api_PREFIX[LTYPE ]b4_namespace_ref[::]b4_parser_class_name[::location_type

 #endif
 
 ]b4_namespace_close[
 #endif
 
 ]b4_namespace_close[