tests: factor the access to token kinds

* tests/local.at (AT_BISON_OPTION_PUSHDEFS): Define AT_TOKEN.
(AT_BISON_OPTION_POPDEFS): Undefine it.
* tests/actions.at, tests/c++.at, tests/calc.at: Use AT_TOKEN.

tests/actions.at

@@ -1827,10 +1827,7 @@ float: UNTYPED INT
 };
 %%
 ]AT_YYERROR_DEFINE[
-]AT_YYLEX_DEFINE(AT_CXX_IF([[{yy::parser::token::UNTYPED,
-                                 yy::parser::token::INT,
-                                  EOF}]],
-                               [[{UNTYPED, INT, EOF}]]),
+]AT_YYLEX_DEFINE([[{]AT_TOKEN([UNTYPED])[, ]AT_TOKEN([INT])[, EOF}]],
                  [AT_VAL.ival = toknum * 10;
                   AT_VAL.fval = YY_CAST (float, toknum) / 10.0f;])[
 ]AT_MAIN_DEFINE[

tests/c++.at

@@ -445,13 +445,13 @@ namespace yy
         return parser::make_END_OF_FILE (]AT_LOCATION_IF([location ()])[);]],
 [AT_LOCATION_IF([
         *llocp = location ();])[
-        return parser::token::END_OF_FILE;]])[
+        return ]AT_TOKEN([END_OF_FILE])[;]])[
 
       case ',':]AT_TOKEN_CTOR_IF([[
         return parser::make_COMMA (]AT_LOCATION_IF([location ()])[);]],
 [AT_LOCATION_IF([
         *llocp = location ();])[
-        return parser::token::COMMA;]])[
+        return ]AT_TOKEN([COMMA])[;]])[
 
       default:
         stage = stage - '0';
@@ -460,14 +460,14 @@ namespace yy
            return parser::make_NUMBER (stage]AT_LOCATION_IF([, location ()])[);]], [[
            lvalp->BUILD (int, stage);]AT_LOCATION_IF([
            *llocp = location ();])[
-           return parser::token::NUMBER;]])[
+           return ]AT_TOKEN(NUMBER)[;]])[
          }
        else
          {]AT_TOKEN_CTOR_IF([[
            return parser::make_TEXT (to_string (stage)]AT_LOCATION_IF([, location ()])[);]], [[
            lvalp->BUILD (string, to_string (stage));]AT_LOCATION_IF([
            *llocp = location ();])[
-           return parser::token::TEXT;]])[
+           return ]AT_TOKEN([TEXT])[;]])[
          }
     }
   }
@@ -1369,7 +1369,7 @@ m4_popdef([AT_TEST])
 
 AT_SETUP([[C++ GLR parser identifier shadowing]])
 
-AT_BISON_OPTION_PUSHDEFS
+AT_BISON_OPTION_PUSHDEFS([%skeleton "glr.cc"])
 AT_DATA_GRAMMAR([input.yy], [
 %skeleton "glr.cc"
 
@@ -1396,7 +1396,7 @@ int yylex (yy::parser::semantic_type *lvalp)
   // bug with a macro that erroneously expanded this identifier to
   // yystackp->yyval.
   YYUSE (lvalp);
-  return yy::parser::token::ZERO;
+  return ]AT_TOKEN([ZERO])[;
 }
 
 void yy::parser::error (std::string const&)

tests/calc.at

@@ -241,12 +241,12 @@ read_integer (]AT_YYLEX_FORMALS[)
     {
       unget_char (]AT_YYLEX_PRE_ARGS[ c);
       ]AT_VAL[.]AT_VALUE_UNION_IF([NUM], [ival])[ = read_integer (]AT_YYLEX_ARGS[);
-      return ]AT_CXX_IF([AT_NAMESPACE::parser::token::])[]AT_TOKEN_PREFIX[NUM;
+      return ]AT_TOKEN([NUM])[;
     }
 
   /* Return end-of-file.  */
   if (c == EOF)
-    return ]AT_CXX_IF([AT_NAMESPACE::parser::token::])[]AT_TOKEN_PREFIX[CALC_EOF;
+    return ]AT_TOKEN([CALC_EOF])[;
 
   /* An explicit error raised by the scanner. */
   if (c == '#')
@@ -254,7 +254,7 @@ read_integer (]AT_YYLEX_FORMALS[)
       fprintf (stderr, "%d.%d: ",
                AT_LOC_FIRST_LINE, AT_LOC_FIRST_COLUMN);])[
       fputs ("syntax error: invalid character: '#'\n", stderr);
-      return ]AT_CXX_IF([AT_NAMESPACE::parser::token::])[]AT_TOKEN_PREFIX[]AT_API_PREFIX[error;
+      return ]AT_TOKEN(AT_API_PREFIX[][error])[;
     }
 
   /* Return single chars. */

tests/local.at

@@ -355,6 +355,11 @@ m4_pushdef([AT_PURE_LEX_IF],
 m4_pushdef([AT_TOKEN_TRANSLATE_IF],
 [AT_ERROR_CUSTOM_IF([$1], [AT_ERROR_DETAILED_IF([$1], [$2])])])
 
+m4_pushdef([AT_TOKEN],
+           [AT_CXX_IF([AT_CXX_IF([AT_NAMESPACE::parser::token::])[]AT_TOKEN_PREFIX[$1]],
+                      [AT_TOKEN_PREFIX[$1]])])
+
+
 m4_pushdef([AT_YYSTYPE],
 [AT_CXX_IF([AT_NAMESPACE[::parser::semantic_type]],
                [AT_API_PREFIX[STYPE]])])
@@ -425,6 +430,7 @@ m4_popdef([AT_YYLTYPE])
 m4_popdef([AT_YYSTYPE])
 m4_popdef([AT_VAL])
 m4_popdef([AT_LOC])
+m4_popdef([AT_TOKEN])
 m4_popdef([AT_TOKEN_TRANSLATE_IF])
 m4_popdef([AT_PURE_LEX_IF])
 m4_popdef([AT_YYERROR_SEES_LOC_IF])