* runtime-po/POTFILES.in (push.c): Remove.

[bison.git] / tests / actions.at

diff --git a/tests/actions.at b/tests/actions.at
index 57e6bf7e6ba1130ed31eba1c950181c7540ae2b6..602eac8cfd50f4744b312ca23b298f0b30c14f93 100644 (file)
--- a/tests/actions.at
+++ b/tests/actions.at
@@ -1,20 +1,19 @@
 # Executing Actions.                               -*- Autotest -*-
 # Executing Actions.                               -*- Autotest -*-

-# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software
+# Foundation, Inc.

 
 

-# This program is free software; you can redistribute it and/or modify
+# This program is free software: you can redistribute it and/or modify

 # it under the terms of the GNU General Public License as published by
 # it under the terms of the GNU General Public License as published by

-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#

 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.

-
+#

 # You should have received a copy of the GNU General Public License
 # You should have received a copy of the GNU General Public License

-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301, USA.
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.

 
 AT_BANNER([[User Actions.]])
 
 
 AT_BANNER([[User Actions.]])
 


@@ -75,7 +74,7 @@ main (void)
 }
 ]])
 
 }
 ]])
 

-AT_CHECK([bison -d -v -o input.c input.y])
+AT_BISON_CHECK([-d -v -o input.c input.y])

 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], 0,
 [[0123456789
 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], 0,
 [[0123456789


@@ -153,7 +152,7 @@ main (void)
 }
 ]])
 
 }
 ]])
 

-AT_CHECK([bison -d -v -o input.c input.y], 0)
+AT_BISON_CHECK([-d -v -o input.c input.y], 0)

 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], 0,
 [[15
 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], 0,
 [[15


@@ -178,7 +177,7 @@ m4_if([$1$2$3], $[1]$[2]$[3], [],
 # helping macros.  So don't put any directly in the Bison file.
 AT_BISON_OPTION_PUSHDEFS([$5])
 AT_DATA_GRAMMAR([[input.y]],
 # helping macros.  So don't put any directly in the Bison file.
 AT_BISON_OPTION_PUSHDEFS([$5])
 AT_DATA_GRAMMAR([[input.y]],

-[[%requires {
+[[%code requires {

 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>


@@ -196,8 +195,8 @@ m4_ifval([$6], [%union
 {
   int ival;
 }])
 {
   int ival;
 }])

-AT_LALR1_CC_IF([%define "global_tokens_and_yystype"])
-m4_ifval([$6], [[%provides {]], [[%code {]])
+AT_LALR1_CC_IF([%define global_tokens_and_yystype])
+m4_ifval([$6], [[%code provides {]], [[%code {]])

 AT_LALR1_CC_IF([typedef yy::location YYLTYPE;])
 [static int yylex (]AT_LEX_FORMALS[);
 ]AT_LALR1_CC_IF([], [static void yyerror (const char *msg);])
 AT_LALR1_CC_IF([typedef yy::location YYLTYPE;])
 [static int yylex (]AT_LEX_FORMALS[);
 ]AT_LALR1_CC_IF([], [static void yyerror (const char *msg);])


@@ -369,9 +368,9 @@ main (int argc, const char *argv[])
 ]])
 
 AT_LALR1_CC_IF(
 ]])
 
 AT_LALR1_CC_IF(

-  [AT_CHECK([bison -o input.cc input.y])
+  [AT_BISON_CHECK([-o input.cc input.y])

    AT_COMPILE_CXX([input])],
    AT_COMPILE_CXX([input])],

-  [AT_CHECK([bison -o input.c input.y])
+  [AT_BISON_CHECK([-o input.c input.y])

    AT_COMPILE([input])])
 
 
    AT_COMPILE([input])])
 
 


@@ -583,14 +582,14 @@ AT_CHECK_PRINTER_AND_DESTRUCTOR([%glr-parser], [with union])
 
 
 
 
 
 

-## --------------------------------- ##
-## Default %printer and %destructor. ##
-## --------------------------------- ##
+## ----------------------------------------- ##
+## Default tagless %printer and %destructor. ##
+## ----------------------------------------- ##

 
 # Check that the right %printer and %destructor are called, that they're not
 # called for $end, and that $$ and @$ work correctly.
 
 
 # Check that the right %printer and %destructor are called, that they're not
 # called for $end, and that $$ and @$ work correctly.
 

-AT_SETUP([Default %printer and %destructor])
+AT_SETUP([Default tagless %printer and %destructor])

 
 AT_DATA_GRAMMAR([[input.y]],
 [[%error-verbose
 
 AT_DATA_GRAMMAR([[input.y]],
 [[%error-verbose


@@ -610,11 +609,15 @@ AT_DATA_GRAMMAR([[input.y]],
 %}
 
 %printer {
 %}
 
 %printer {

-  fprintf (yyoutput, "Default printer for '%c' @ %d", $$, @$.first_column);
-} %symbol-default
+  fprintf (yyoutput, "<*> printer should not be called.\n");
+} <*>
+
+%printer {
+  fprintf (yyoutput, "<> printer for '%c' @ %d", $$, @$.first_column);
+} <>

 %destructor {
 %destructor {

-  fprintf (stdout, "Default destructor for '%c' @ %d.\n", $$, @$.first_column);
-} %symbol-default
+  fprintf (stdout, "<> destructor for '%c' @ %d.\n", $$, @$.first_column);
+} <>

 
 %printer {
   fprintf (yyoutput, "'b'/'c' printer for '%c' @ %d", $$, @$.first_column);
 
 %printer {
   fprintf (yyoutput, "'b'/'c' printer for '%c' @ %d", $$, @$.first_column);


@@ -623,6 +626,10 @@ AT_DATA_GRAMMAR([[input.y]],
   fprintf (stdout, "'b'/'c' destructor for '%c' @ %d.\n", $$, @$.first_column);
 } 'b' 'c'
 
   fprintf (stdout, "'b'/'c' destructor for '%c' @ %d.\n", $$, @$.first_column);
 } 'b' 'c'
 

+%destructor {
+  fprintf (yyoutput, "<*> destructor should not be called.\n");
+} <*>
+

 %%
 
 start: 'a' 'b' 'c' 'd' 'e' { $$ = 'S'; USE(($1, $2, $3, $4, $5)); } ;
 %%
 
 start: 'a' 'b' 'c' 'd' 'e' { $$ = 'S'; USE(($1, $2, $3, $4, $5)); } ;


@@ -656,18 +663,18 @@ main (void)
 }
 ]])
 
 }
 ]])
 

-AT_CHECK([bison -o input.c input.y])
+AT_BISON_CHECK([-o input.c input.y])

 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], 1,
 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], 1,

-[[Default destructor for 'd' @ 4.
+[[<> destructor for 'd' @ 4.

 'b'/'c' destructor for 'c' @ 3.
 'b'/'c' destructor for 'b' @ 2.
 'b'/'c' destructor for 'c' @ 3.
 'b'/'c' destructor for 'b' @ 2.

-Default destructor for 'a' @ 1.
+<> destructor for 'a' @ 1.

 ]],
 [[Starting parse
 Entering state 0
 ]],
 [[Starting parse
 Entering state 0

-Reading a token: Next token is token 'a' (1.1-1.1: Default printer for 'a' @ 1)
-Shifting token 'a' (1.1-1.1: Default printer for 'a' @ 1)
+Reading a token: Next token is token 'a' (1.1-1.1: <> printer for 'a' @ 1)
+Shifting token 'a' (1.1-1.1: <> printer for 'a' @ 1)

 Entering state 1
 Reading a token: Next token is token 'b' (1.2-1.2: 'b'/'c' printer for 'b' @ 2)
 Shifting token 'b' (1.2-1.2: 'b'/'c' printer for 'b' @ 2)
 Entering state 1
 Reading a token: Next token is token 'b' (1.2-1.2: 'b'/'c' printer for 'b' @ 2)
 Shifting token 'b' (1.2-1.2: 'b'/'c' printer for 'b' @ 2)


@@ -675,18 +682,18 @@ Entering state 3
 Reading a token: Next token is token 'c' (1.3-1.3: 'b'/'c' printer for 'c' @ 3)
 Shifting token 'c' (1.3-1.3: 'b'/'c' printer for 'c' @ 3)
 Entering state 5
 Reading a token: Next token is token 'c' (1.3-1.3: 'b'/'c' printer for 'c' @ 3)
 Shifting token 'c' (1.3-1.3: 'b'/'c' printer for 'c' @ 3)
 Entering state 5

-Reading a token: Next token is token 'd' (1.4-1.4: Default printer for 'd' @ 4)
-Shifting token 'd' (1.4-1.4: Default printer for 'd' @ 4)
+Reading a token: Next token is token 'd' (1.4-1.4: <> printer for 'd' @ 4)
+Shifting token 'd' (1.4-1.4: <> printer for 'd' @ 4)

 Entering state 6
 Reading a token: Now at end of input.
 syntax error, unexpected $end, expecting 'e'
 Entering state 6
 Reading a token: Now at end of input.
 syntax error, unexpected $end, expecting 'e'

-Error: popping token 'd' (1.4-1.4: Default printer for 'd' @ 4)
+Error: popping token 'd' (1.4-1.4: <> printer for 'd' @ 4)

 Stack now 0 1 3 5
 Error: popping token 'c' (1.3-1.3: 'b'/'c' printer for 'c' @ 3)
 Stack now 0 1 3
 Error: popping token 'b' (1.2-1.2: 'b'/'c' printer for 'b' @ 2)
 Stack now 0 1
 Stack now 0 1 3 5
 Error: popping token 'c' (1.3-1.3: 'b'/'c' printer for 'c' @ 3)
 Stack now 0 1 3
 Error: popping token 'b' (1.2-1.2: 'b'/'c' printer for 'b' @ 2)
 Stack now 0 1

-Error: popping token 'a' (1.1-1.1: Default printer for 'a' @ 1)
+Error: popping token 'a' (1.1-1.1: <> printer for 'a' @ 1)

 Stack now 0
 Cleanup: discarding lookahead token $end (1.5-1.5: )
 Stack now 0
 Stack now 0
 Cleanup: discarding lookahead token $end (1.5-1.5: )
 Stack now 0


@@ -696,11 +703,11 @@ AT_CLEANUP
 
 
 
 
 
 

-## ----------------------------------- ##
-## Per-type %printer and %destructor.  ##
-## ----------------------------------- ##
+## ------------------------------------------------------ ##
+## Default tagged and per-type %printer and %destructor.  ##
+## ------------------------------------------------------ ##

 
 

-AT_SETUP([Per-type %printer and %destructor])
+AT_SETUP([Default tagged and per-type %printer and %destructor])

 
 AT_DATA_GRAMMAR([[input.y]],
 [[%error-verbose
 
 AT_DATA_GRAMMAR([[input.y]],
 [[%error-verbose


@@ -714,16 +721,20 @@ AT_DATA_GRAMMAR([[input.y]],
 # define USE(SYM)
 %}
 
 # define USE(SYM)
 %}
 

+%printer {
+  fprintf (yyoutput, "<> printer should not be called.\n");
+} <>
+

 %union { int field0; int field1; int field2; }
 %type <field0> start 'a' 'g'
 %type <field1> 'e'
 %type <field2> 'f'
 %printer {
 %union { int field0; int field1; int field2; }
 %type <field0> start 'a' 'g'
 %type <field1> 'e'
 %type <field2> 'f'
 %printer {

-  fprintf (yyoutput, "%%symbol-default/<field2>/e printer");
-} %symbol-default 'e' <field2>
+  fprintf (yyoutput, "<*>/<field2>/e printer");
+} <*> 'e' <field2>

 %destructor {
 %destructor {

-  fprintf (stdout, "%%symbol-default/<field2>/e destructor.\n");
-} %symbol-default 'e' <field2>
+  fprintf (stdout, "<*>/<field2>/e destructor.\n");
+} <*> 'e' <field2>

 
 %type <field1> 'b'
 %printer { fprintf (yyoutput, "<field1> printer"); } <field1>
 
 %type <field1> 'b'
 %printer { fprintf (yyoutput, "<field1> printer"); } <field1>


@@ -737,6 +748,10 @@ AT_DATA_GRAMMAR([[input.y]],
 %printer { fprintf (yyoutput, "'d' printer"); } 'd'
 %destructor { fprintf (stdout, "'d' destructor.\n"); } 'd'
 
 %printer { fprintf (yyoutput, "'d' printer"); } 'd'
 %destructor { fprintf (stdout, "'d' destructor.\n"); } 'd'
 

+%destructor {
+  fprintf (yyoutput, "<> destructor should not be called.\n");
+} <>
+

 %%
 
 start:
 %%
 
 start:


@@ -773,20 +788,20 @@ main (void)
 }
 ]])
 
 }
 ]])
 

-AT_CHECK([bison -o input.c input.y])
+AT_BISON_CHECK([-o input.c input.y])

 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], 1,
 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], 1,

-[[%symbol-default/<field2>/e destructor.
-%symbol-default/<field2>/e destructor.
+[[<*>/<field2>/e destructor.
+<*>/<field2>/e destructor.

 'd' destructor.
 'c' destructor.
 <field1> destructor.
 'd' destructor.
 'c' destructor.
 <field1> destructor.

-%symbol-default/<field2>/e destructor.
+<*>/<field2>/e destructor.

 ]],
 [[Starting parse
 Entering state 0
 ]],
 [[Starting parse
 Entering state 0

-Reading a token: Next token is token 'a' (%symbol-default/<field2>/e printer)
-Shifting token 'a' (%symbol-default/<field2>/e printer)
+Reading a token: Next token is token 'a' (<*>/<field2>/e printer)
+Shifting token 'a' (<*>/<field2>/e printer)

 Entering state 1
 Reading a token: Next token is token 'b' (<field1> printer)
 Shifting token 'b' (<field1> printer)
 Entering state 1
 Reading a token: Next token is token 'b' (<field1> printer)
 Shifting token 'b' (<field1> printer)


@@ -797,17 +812,17 @@ Entering state 5
 Reading a token: Next token is token 'd' ('d' printer)
 Shifting token 'd' ('d' printer)
 Entering state 6
 Reading a token: Next token is token 'd' ('d' printer)
 Shifting token 'd' ('d' printer)
 Entering state 6

-Reading a token: Next token is token 'e' (%symbol-default/<field2>/e printer)
-Shifting token 'e' (%symbol-default/<field2>/e printer)
+Reading a token: Next token is token 'e' (<*>/<field2>/e printer)
+Shifting token 'e' (<*>/<field2>/e printer)

 Entering state 7
 Entering state 7

-Reading a token: Next token is token 'f' (%symbol-default/<field2>/e printer)
-Shifting token 'f' (%symbol-default/<field2>/e printer)
+Reading a token: Next token is token 'f' (<*>/<field2>/e printer)
+Shifting token 'f' (<*>/<field2>/e printer)

 Entering state 8
 Reading a token: Now at end of input.
 syntax error, unexpected $end, expecting 'g'
 Entering state 8
 Reading a token: Now at end of input.
 syntax error, unexpected $end, expecting 'g'

-Error: popping token 'f' (%symbol-default/<field2>/e printer)
+Error: popping token 'f' (<*>/<field2>/e printer)

 Stack now 0 1 3 5 6 7
 Stack now 0 1 3 5 6 7

-Error: popping token 'e' (%symbol-default/<field2>/e printer)
+Error: popping token 'e' (<*>/<field2>/e printer)

 Stack now 0 1 3 5 6
 Error: popping token 'd' ('d' printer)
 Stack now 0 1 3 5
 Stack now 0 1 3 5 6
 Error: popping token 'd' ('d' printer)
 Stack now 0 1 3 5


@@ -815,7 +830,7 @@ Error: popping token 'c' ('c' printer)
 Stack now 0 1 3
 Error: popping token 'b' (<field1> printer)
 Stack now 0 1
 Stack now 0 1 3
 Error: popping token 'b' (<field1> printer)
 Stack now 0 1

-Error: popping token 'a' (%symbol-default/<field2>/e printer)
+Error: popping token 'a' (<*>/<field2>/e printer)

 Stack now 0
 Cleanup: discarding lookahead token $end ()
 Stack now 0
 Stack now 0
 Cleanup: discarding lookahead token $end ()
 Stack now 0


@@ -826,12 +841,19 @@ AT_CLEANUP
 
 
 ## ------------------------------------------------------------- ##
 
 
 ## ------------------------------------------------------------- ##

-## Default %printer and %destructor for user-defined end token. ##
+## Default %printer and %destructor for user-defined end token.  ##

 ## ------------------------------------------------------------- ##
 
 AT_SETUP([Default %printer and %destructor for user-defined end token])
 
 ## ------------------------------------------------------------- ##
 
 AT_SETUP([Default %printer and %destructor for user-defined end token])
 

-AT_DATA_GRAMMAR([[input.y]],
+# _AT_CHECK_DEFAULT_PRINTER_AND_DESTRUCTOR_FOR_END_TOKEN(TYPED)
+# -----------------------------------------------------------------------------
+m4_define([_AT_CHECK_DEFAULT_PRINTER_AND_DESTRUCTOR_FOR_END_TOKEN],
+[m4_if($1, 0,
+  [m4_pushdef([kind], []) m4_pushdef([not_kind], [*])],
+  [m4_pushdef([kind], [*]) m4_pushdef([not_kind], [])])
+
+AT_DATA_GRAMMAR([[input]]$1[[.y]],

 [[%error-verbose
 %debug
 %locations
 [[%error-verbose
 %debug
 %locations


@@ -848,13 +870,26 @@ AT_DATA_GRAMMAR([[input.y]],
 # define USE(SYM)
 %}
 
 # define USE(SYM)
 %}
 

+%destructor {
+  fprintf (yyoutput, "<]]not_kind[[> destructor should not be called.\n");
+} <]]not_kind[[>
+

 %token END 0
 %printer {
 %token END 0
 %printer {

-  fprintf (yyoutput, "Default printer for '%c' @ %d", $$, @$.first_column);
-} %symbol-default
+  fprintf (yyoutput, "<]]kind[[> for '%c' @ %d", $$, @$.first_column);
+} <]]kind[[>

 %destructor {
 %destructor {

-  fprintf (stdout, "Default destructor for '%c' @ %d.\n", $$, @$.first_column);
-} %symbol-default
+  fprintf (stdout, "<]]kind[[> for '%c' @ %d.\n", $$, @$.first_column);
+} <]]kind[[>
+
+%printer {
+  fprintf (yyoutput, "<]]not_kind[[> printer should not be called.\n");
+} <]]not_kind[[>
+
+]]m4_if($1, 0, [[[
+]]],
+[[[%union { char tag; }
+%type <tag> start END]]])[[

 
 %%
 
 
 %%
 


@@ -868,7 +903,7 @@ yylex (void)
   static int called;
   if (called++)
     abort ();
   static int called;
   if (called++)
     abort ();

-  yylval = 'E';
+  yylval]]m4_if($1, 0,, [[[.tag]]])[[ = 'E';

   yylloc.first_line = yylloc.last_line = 1;
   yylloc.first_column = yylloc.last_column = 1;
   return 0;
   yylloc.first_line = yylloc.last_line = 1;
   yylloc.first_column = yylloc.last_column = 1;
   return 0;


@@ -888,26 +923,33 @@ main (void)
 }
 ]])
 
 }
 ]])
 

-AT_CHECK([bison -o input.c input.y])
-AT_COMPILE([input])
-AT_PARSER_CHECK([./input], 0,
-[[Default destructor for 'E' @ 1.
-Default destructor for 'S' @ 1.
+AT_BISON_CHECK([-o input$1.c input$1.y])
+AT_COMPILE([input$1])
+AT_PARSER_CHECK([./input$1], 0,
+[[<]]kind[[> for 'E' @ 1.
+<]]kind[[> for 'S' @ 1.

 ]],
 [[Starting parse
 Entering state 0
 ]],
 [[Starting parse
 Entering state 0

-Reducing stack by rule 1 (line 35):
--> $$ = nterm start (1.1-1.1: Default printer for 'S' @ 1)
+Reducing stack by rule 1 (line 46):
+-> $$ = nterm start (1.1-1.1: <]]kind[[> for 'S' @ 1)

 Stack now 0
 Entering state 1
 Reading a token: Now at end of input.
 Stack now 0
 Entering state 1
 Reading a token: Now at end of input.

-Shifting token END (1.1-1.1: Default printer for 'E' @ 1)
+Shifting token END (1.1-1.1: <]]kind[[> for 'E' @ 1)

 Entering state 2
 Stack now 0 1 2
 Entering state 2
 Stack now 0 1 2

-Cleanup: popping token END (1.1-1.1: Default printer for 'E' @ 1)
-Cleanup: popping nterm start (1.1-1.1: Default printer for 'S' @ 1)
+Cleanup: popping token END (1.1-1.1: <]]kind[[> for 'E' @ 1)
+Cleanup: popping nterm start (1.1-1.1: <]]kind[[> for 'S' @ 1)

 ]])
 
 ]])
 

+m4_popdef([kind])
+m4_popdef([not_kind])
+])
+
+_AT_CHECK_DEFAULT_PRINTER_AND_DESTRUCTOR_FOR_END_TOKEN(0)
+_AT_CHECK_DEFAULT_PRINTER_AND_DESTRUCTOR_FOR_END_TOKEN(1)
+

 AT_CLEANUP
 
 
 AT_CLEANUP
 
 


@@ -916,7 +958,7 @@ AT_CLEANUP
 ## Default %printer and %destructor are not for error or $undefined.  ##
 ## ------------------------------------------------------------------ ##
 
 ## Default %printer and %destructor are not for error or $undefined.  ##
 ## ------------------------------------------------------------------ ##
 

-AT_SETUP([Default %printer and %destructor are not for error or \$undefined])
+AT_SETUP([Default %printer and %destructor are not for error or $undefined])

 
 # If Bison were to apply the default %printer and %destructor to the error
 # token or to $undefined:
 
 # If Bison were to apply the default %printer and %destructor to the error
 # token or to $undefined:


@@ -940,10 +982,10 @@ AT_DATA_GRAMMAR([[input.y]],
 
 %printer {
   fprintf (yyoutput, "'%c'", $$);
 
 %printer {
   fprintf (yyoutput, "'%c'", $$);

-} %symbol-default
+} <> <*>

 %destructor {
   fprintf (stderr, "DESTROY '%c'\n", $$);
 %destructor {
   fprintf (stderr, "DESTROY '%c'\n", $$);

-} %symbol-default
+} <> <*>

 
 %%
 
 
 %%
 


@@ -981,7 +1023,7 @@ main (void)
 }
 ]])
 
 }
 ]])
 

-AT_CHECK([bison -o input.c input.y])
+AT_BISON_CHECK([-o input.c input.y])

 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], [1], [],
 [[Starting parse
 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], [1], [],
 [[Starting parse


@@ -1026,7 +1068,7 @@ AT_CLEANUP
 ## Default %printer and %destructor are not for $accept.  ##
 ## ------------------------------------------------------ ##
 
 ## Default %printer and %destructor are not for $accept.  ##
 ## ------------------------------------------------------ ##
 

-AT_SETUP([Default %printer and %destructor are not for \$accept])
+AT_SETUP([Default %printer and %destructor are not for $accept])

 
 # If YYSTYPE is a union and Bison were to apply the default %printer and
 # %destructor to $accept:
 
 # If YYSTYPE is a union and Bison were to apply the default %printer and
 # %destructor to $accept:


@@ -1055,11 +1097,11 @@ AT_DATA_GRAMMAR([[input.y]],
 %printer {
   char chr = $$;
   fprintf (yyoutput, "'%c'", chr);
 %printer {
   char chr = $$;
   fprintf (yyoutput, "'%c'", chr);

-} %symbol-default
+} <> <*>

 %destructor {
   char chr = $$;
   fprintf (stderr, "DESTROY '%c'\n", chr);
 %destructor {
   char chr = $$;
   fprintf (stderr, "DESTROY '%c'\n", chr);

-} %symbol-default
+} <> <*>

 
 %union { char chr; }
 %type <chr> start
 
 %union { char chr; }
 %type <chr> start


@@ -1092,7 +1134,7 @@ main (void)
 }
 ]])
 
 }
 ]])
 

-AT_CHECK([bison -o input.c input.y])
+AT_BISON_CHECK([-o input.c input.y])

 AT_COMPILE([input])
 
 AT_CLEANUP
 AT_COMPILE([input])
 
 AT_CLEANUP


@@ -1119,8 +1161,10 @@ AT_DATA_GRAMMAR([[input.y]],
 # define YY_LOCATION_PRINT(File, Loc)
 %}
 
 # define YY_LOCATION_PRINT(File, Loc)
 %}
 

-%printer { fprintf (yyoutput, "%d", @$); } %symbol-default
-%destructor { fprintf (stderr, "DESTROY %d\n", @$); } %symbol-default
+%printer { fprintf (yyoutput, "%d", @$); } <>
+%destructor { fprintf (stderr, "DESTROY %d\n", @$); } <>
+%printer { fprintf (yyoutput, "<*> printer should not be called"); } <*>
+%destructor { fprintf (yyoutput, "<*> destructor should not be called"); } <*>

 
 %%
 
 
 %%
 


@@ -1158,28 +1202,28 @@ main (void)
 }
 ]])
 
 }
 ]])
 

-AT_CHECK([bison -o input.c input.y], 0,,
-[[input.y:31.3-23: warning: unset value: $$
-input.y:28.3-33.37: warning: unused value: $3
+AT_BISON_CHECK([-o input.c input.y], 0,,
+[[input.y:33.3-23: warning: unset value: $$
+input.y:30.3-35.37: warning: unused value: $3

 ]])
 
 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], 1,,
 [[Starting parse
 Entering state 0
 ]])
 
 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], 1,,
 [[Starting parse
 Entering state 0

-Reducing stack by rule 1 (line 28):
+Reducing stack by rule 1 (line 30):

 -> $$ = nterm $@1 (: )
 Stack now 0
 Entering state 2
 -> $$ = nterm $@1 (: )
 Stack now 0
 Entering state 2

-Reducing stack by rule 2 (line 29):
+Reducing stack by rule 2 (line 31):

 -> $$ = nterm @2 (: 2)
 Stack now 0 2
 Entering state 4
 -> $$ = nterm @2 (: 2)
 Stack now 0 2
 Entering state 4

-Reducing stack by rule 3 (line 30):
+Reducing stack by rule 3 (line 32):

 -> $$ = nterm @3 (: 3)
 Stack now 0 2 4
 Entering state 5
 -> $$ = nterm @3 (: 3)
 Stack now 0 2 4
 Entering state 5

-Reducing stack by rule 4 (line 31):
+Reducing stack by rule 4 (line 33):

 -> $$ = nterm @4 (: 4)
 Stack now 0 2 4 5
 Entering state 6
 -> $$ = nterm @4 (: 4)
 Stack now 0 2 4 5
 Entering state 6


@@ -1201,3 +1245,62 @@ Stack now 0
 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP

+
+
+## ----------------------- ##
+## @$ implies %locations.  ##
+## ----------------------- ##
+
+# Bison once forgot to check for @$ in actions other than semantic actions.
+
+# AT_CHECK_ACTION_LOCATIONS(ACTION-DIRECTIVE)
+# -------------------------------------------------------
+m4_define([AT_CHECK_ACTION_LOCATIONS],
+[AT_SETUP([[@$ in ]$1[ implies %locations]])
+
+AT_DATA_GRAMMAR([[input.y]],
+[[%code {
+  #include <stdio.h>
+  static int yylex (void);
+  static void yyerror (char const *msg);
+}
+
+%debug
+
+]$1[ {
+  printf ("%d\n", @$.first_line);
+} ]m4_if($1, [%initial-action], [], [[start]])[
+
+%%
+
+start:  ;
+
+%%
+
+static int
+yylex (void)
+{
+  return 0;
+}
+
+static void
+yyerror (char const *msg)
+{
+  fprintf (stderr, "%s\n", msg);
+}
+
+int
+main (void)
+{
+  return yyparse ();
+}
+]])
+
+AT_BISON_CHECK([[-o input.c input.y]])
+AT_COMPILE([[input]])
+
+AT_CLEANUP])
+
+AT_CHECK_ACTION_LOCATIONS([[%initial-action]])
+AT_CHECK_ACTION_LOCATIONS([[%destructor]])
+AT_CHECK_ACTION_LOCATIONS([[%printer]])