misc: require getline

[bison.git] / tests / input.at

diff --git a/tests/input.at b/tests/input.at
index d59f6f15376433e5b2a5b7c099048a3f384c9dd8..cd0dd6ac2e3a45b2c3ef353c38c577a6d88e7017 100644 (file)
--- a/tests/input.at
+++ b/tests/input.at
@@ -1,7 +1,6 @@
 # Checking the Bison scanner.                    -*- Autotest -*-
 
 # Checking the Bison scanner.                    -*- Autotest -*-
 

-# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
-# Free Software Foundation, Inc.
+# Copyright (C) 2002-2012 Free Software Foundation, Inc.

 
 # 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
 
 # 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


@@ -21,6 +20,63 @@ AT_BANNER([[Input Processing.]])
 # Mostly test that we are robust to mistakes.
 
 
 # Mostly test that we are robust to mistakes.
 
 

+## ---------------- ##
+## Invalid inputs.  ##
+## ---------------- ##
+
+AT_SETUP([Invalid inputs])
+
+AT_DATA([input.y],
+[[\000\001\002\377?
+%%
+?
+default: 'a' }
+%&
+%a-does-not-exist
+%-
+%{
+]])
+AT_CHECK([[$PERL -pi -e 's/\\(\d{3})/chr(oct($1))/ge' input.y || exit 77]])
+
+AT_BISON_CHECK([input.y], [1], [],
+[[input.y:1.1-2: error: invalid characters: '\0\001\002\377?'
+input.y:3.1: error: invalid character: '?'
+input.y:4.14: error: invalid character: '}'
+input.y:5.1: error: invalid character: '%'
+input.y:5.2: error: invalid character: '&'
+input.y:6.1-17: error: invalid directive: '%a-does-not-exist'
+input.y:7.1: error: invalid character: '%'
+input.y:7.2: error: invalid character: '-'
+input.y:8.1-9.0: error: missing '%}' at end of file
+input.y:8.1-9.0: error: syntax error, unexpected %{...%}
+]])
+
+AT_CLEANUP
+
+
+AT_SETUP([Invalid inputs with {}])
+
+# We used to SEGV here.  See
+# http://lists.gnu.org/archive/html/bug-bison/2005-07/msg00053.html
+
+AT_DATA([input.y],
+[[
+%destructor
+%initial-action
+%lex-param
+%parse-param
+%printer
+%union
+]])
+
+AT_BISON_CHECK([input.y], [1], [],
+[[input.y:3.1-15: error: syntax error, unexpected %initial-action, expecting {...}
+]])
+
+AT_CLEANUP
+
+
+

 ## ------------ ##
 ## Invalid $n.  ##
 ## ------------ ##
 ## ------------ ##
 ## Invalid $n.  ##
 ## ------------ ##


@@ -34,8 +90,8 @@ exp: { @$ = @1 ; };
 ]])
 
 AT_BISON_CHECK([input.y], [1], [],
 ]])
 
 AT_BISON_CHECK([input.y], [1], [],

-[[input.y:2.13-14: integer out of range: `$1'
-input.y:3.13-14: integer out of range: `@1'
+[[input.y:2.13-14: error: integer out of range: '$1'
+input.y:3.13-14: error: integer out of range: '@1'

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -59,8 +115,8 @@ exp: foo { $$; } foo { $2; } foo
 ]])
 
 AT_BISON_CHECK([input.y], [1], [],
 ]])
 
 AT_BISON_CHECK([input.y], [1], [],

-[[input.y:5.12-13: $$ for the midrule at $2 of `exp' has no declared type
-input.y:5.24-25: $2 of `exp' has no declared type
+[[input.y:5.12-13: error: $$ for the midrule at $2 of 'exp' has no declared type
+input.y:5.24-25: error: $2 of 'exp' has no declared type

 input.y:5.6-32: warning: type clash on default action: <bar> != <>
 input.y:6.6-8: warning: type clash on default action: <bar> != <>
 input.y:7.5: warning: empty rule for typed nonterminal, and no action
 input.y:5.6-32: warning: type clash on default action: <bar> != <>
 input.y:6.6-8: warning: type clash on default action: <bar> != <>
 input.y:7.5: warning: empty rule for typed nonterminal, and no action


@@ -70,7 +126,7 @@ AT_CLEANUP
 
 
 # _AT_UNUSED_VALUES_DECLARATIONS()
 
 
 # _AT_UNUSED_VALUES_DECLARATIONS()

-# --------------------------------------------
+# --------------------------------

 # Generate the token, type, and destructor
 # declarations for the unused values tests.
 
 # Generate the token, type, and destructor
 # declarations for the unused values tests.
 


@@ -183,53 +239,53 @@ AT_SETUP([Default %printer and %destructor redeclared])
 
 AT_DATA([[input.y]],
 [[%destructor { destroy ($$); } <*> <*>
 
 AT_DATA([[input.y]],
 [[%destructor { destroy ($$); } <*> <*>

-%printer { destroy ($$); } <*> <*>
+%printer { print ($$); } <*> <*>

 
 %destructor { destroy ($$); } <*>
 
 %destructor { destroy ($$); } <*>

-%printer { destroy ($$); } <*>
+%printer { print ($$); } <*>

 
 %destructor { destroy ($$); } <> <>
 
 %destructor { destroy ($$); } <> <>

-%printer { destroy ($$); } <> <>
+%printer { print ($$); } <> <>

 
 %destructor { destroy ($$); } <>
 
 %destructor { destroy ($$); } <>

-%printer { destroy ($$); } <>
+%printer { print ($$); } <>

 
 %%
 
 start: ;
 
 %destructor { destroy ($$); } <*>;
 
 %%
 
 start: ;
 
 %destructor { destroy ($$); } <*>;

-%printer { destroy ($$); } <*>;
+%printer { print ($$); } <*>;

 
 %destructor { destroy ($$); } <>;
 
 %destructor { destroy ($$); } <>;

-%printer { destroy ($$); } <>;
+%printer { print ($$); } <>;

 ]])
 
 AT_BISON_CHECK([input.y], [1], [],
 ]])
 
 AT_BISON_CHECK([input.y], [1], [],

-[[input.y:1.13-29: redeclaration for default tagged %destructor
-input.y:1.13-29: previous declaration
-input.y:2.10-26: redeclaration for default tagged %printer
-input.y:2.10-26: previous declaration
-input.y:4.13-29: redeclaration for default tagged %destructor
-input.y:1.13-29: previous declaration
-input.y:5.10-26: redeclaration for default tagged %printer
-input.y:2.10-26: previous declaration
-input.y:7.13-29: redeclaration for default tagless %destructor
-input.y:7.13-29: previous declaration
-input.y:8.10-26: redeclaration for default tagless %printer
-input.y:8.10-26: previous declaration
-input.y:10.13-29: redeclaration for default tagless %destructor
-input.y:7.13-29: previous declaration
-input.y:11.10-26: redeclaration for default tagless %printer
-input.y:8.10-26: previous declaration
-input.y:17.13-29: redeclaration for default tagged %destructor
-input.y:4.13-29: previous declaration
-input.y:18.10-26: redeclaration for default tagged %printer
-input.y:5.10-26: previous declaration
-input.y:20.13-29: redeclaration for default tagless %destructor
-input.y:10.13-29: previous declaration
-input.y:21.10-26: redeclaration for default tagless %printer
-input.y:11.10-26: previous declaration
+[[input.y:1.13-29: error: redeclaration for default tagged %destructor
+input.y:1.13-29:     previous declaration
+input.y:2.10-24: error: redeclaration for default tagged %printer
+input.y:2.10-24:     previous declaration
+input.y:4.13-29: error: redeclaration for default tagged %destructor
+input.y:1.13-29:     previous declaration
+input.y:5.10-24: error: redeclaration for default tagged %printer
+input.y:2.10-24:     previous declaration
+input.y:7.13-29: error: redeclaration for default tagless %destructor
+input.y:7.13-29:     previous declaration
+input.y:8.10-24: error: redeclaration for default tagless %printer
+input.y:8.10-24:     previous declaration
+input.y:10.13-29: error: redeclaration for default tagless %destructor
+input.y:7.13-29:      previous declaration
+input.y:11.10-24: error: redeclaration for default tagless %printer
+input.y:8.10-24:      previous declaration
+input.y:17.13-29: error: redeclaration for default tagged %destructor
+input.y:4.13-29:      previous declaration
+input.y:18.10-24: error: redeclaration for default tagged %printer
+input.y:5.10-24:      previous declaration
+input.y:20.13-29: error: redeclaration for default tagless %destructor
+input.y:10.13-29:     previous declaration
+input.y:21.10-24: error: redeclaration for default tagless %printer
+input.y:11.10-24:     previous declaration

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -243,36 +299,36 @@ AT_SETUP([Per-type %printer and %destructor redeclared])
 
 AT_DATA([[input.y]],
 [[%destructor { destroy ($$); } <field1> <field2>
 
 AT_DATA([[input.y]],
 [[%destructor { destroy ($$); } <field1> <field2>

-%printer { destroy ($$); } <field1> <field2>
+%printer { print ($$); } <field1> <field2>

 
 %destructor { destroy ($$); } <field1> <field1>
 
 %destructor { destroy ($$); } <field1> <field1>

-%printer { destroy ($$); } <field2> <field2>
+%printer { print ($$); } <field2> <field2>

 
 %%
 
 start: ;
 
 %destructor { destroy ($$); } <field2> <field1>;
 
 %%
 
 start: ;
 
 %destructor { destroy ($$); } <field2> <field1>;

-%printer { destroy ($$); } <field2> <field1>;
+%printer { print ($$); } <field2> <field1>;

 ]])
 
 AT_BISON_CHECK([input.y], [1], [],
 ]])
 
 AT_BISON_CHECK([input.y], [1], [],

-[[input.y:4.13-29: %destructor redeclaration for <field1>
-input.y:1.13-29: previous declaration
-input.y:4.13-29: %destructor redeclaration for <field1>
-input.y:4.13-29: previous declaration
-input.y:5.10-26: %printer redeclaration for <field2>
-input.y:2.10-26: previous declaration
-input.y:5.10-26: %printer redeclaration for <field2>
-input.y:5.10-26: previous declaration
-input.y:11.13-29: %destructor redeclaration for <field1>
-input.y:4.13-29: previous declaration
-input.y:11.13-29: %destructor redeclaration for <field2>
-input.y:1.13-29: previous declaration
-input.y:12.10-26: %printer redeclaration for <field1>
-input.y:2.10-26: previous declaration
-input.y:12.10-26: %printer redeclaration for <field2>
-input.y:5.10-26: previous declaration
+[[input.y:4.13-29: error: %destructor redeclaration for <field1>
+input.y:1.13-29:     previous declaration
+input.y:4.13-29: error: %destructor redeclaration for <field1>
+input.y:4.13-29:     previous declaration
+input.y:5.10-24: error: %printer redeclaration for <field2>
+input.y:2.10-24:     previous declaration
+input.y:5.10-24: error: %printer redeclaration for <field2>
+input.y:5.10-24:     previous declaration
+input.y:11.13-29: error: %destructor redeclaration for <field1>
+input.y:4.13-29:      previous declaration
+input.y:11.13-29: error: %destructor redeclaration for <field2>
+input.y:1.13-29:      previous declaration
+input.y:12.10-24: error: %printer redeclaration for <field1>
+input.y:2.10-24:      previous declaration
+input.y:12.10-24: error: %printer redeclaration for <field2>
+input.y:5.10-24:      previous declaration

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -369,14 +425,14 @@ exp: foo;
 ]])
 
 AT_BISON_CHECK([input.y], [1], [],
 ]])
 
 AT_BISON_CHECK([input.y], [1], [],

-[[input.y:8.7-11: %type redeclaration for foo
-input.y:3.7-11: previous declaration
-input.y:10.13-17: %destructor redeclaration for foo
-input.y:5.13-17: previous declaration
-input.y:9.10-14: %printer redeclaration for foo
-input.y:4.10-14: previous declaration
-input.y:11.1-5: %left redeclaration for foo
-input.y:6.1-5: previous declaration
+[[input.y:8.7-11: error: %type redeclaration for foo
+input.y:3.7-11:     previous declaration
+input.y:10.13-17: error: %destructor redeclaration for foo
+input.y:5.13-17:      previous declaration
+input.y:9.10-14: error: %printer redeclaration for foo
+input.y:4.10-14:     previous declaration
+input.y:11.1-5: error: %left redeclaration for foo
+input.y:6.1-5:      previous declaration

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -392,10 +448,10 @@ AT_CLEANUP
 
 AT_SETUP([Torturing the Scanner])
 
 
 AT_SETUP([Torturing the Scanner])
 

-
+AT_BISON_OPTION_PUSHDEFS

 AT_DATA([input.y], [])
 AT_BISON_CHECK([input.y], [1], [],
 AT_DATA([input.y], [])
 AT_BISON_CHECK([input.y], [1], [],

-[[input.y:1.1: syntax error, unexpected end of file
+[[input.y:1.1: error: syntax error, unexpected end of file

 ]])
 
 
 ]])
 
 


@@ -403,7 +459,7 @@ AT_DATA([input.y],
 [{}
 ])
 AT_BISON_CHECK([input.y], [1], [],
 [{}
 ])
 AT_BISON_CHECK([input.y], [1], [],

-[[input.y:1.1-2: syntax error, unexpected {...}
+[[input.y:1.1-2: error: syntax error, unexpected {...}

 ]])
 
 
 ]])
 
 


@@ -443,6 +499,7 @@ char apostrophe = '\'';
 
 #include <stdio.h>
 #include <stdlib.h>
 
 #include <stdio.h>
 #include <stdlib.h>

+#include <assert.h>

 %}
 /* %{ and %} can be here too. */
 
 %}
 /* %{ and %} can be here too. */
 


@@ -469,8 +526,8 @@ char quote[] = "@:>@@:>@,";
 %}
 
 %{
 %}
 
 %{

-static void yyerror (const char *s);
-static int yylex (void);
+]AT_YYERROR_DECLARE[
+]AT_YYLEX_DECLARE[

 %}
 
 %type <ival> '@<:@'
 %}
 
 %type <ival> '@<:@'


@@ -502,7 +559,7 @@ value_as_yystype (value val)
   res.ival = val;
   return res;
 }
   res.ival = val;
   return res;
 }

-
+]AT_YYERROR_DEFINE[

 static int
 yylex (void)
 {
 static int
 yylex (void)
 {


@@ -510,20 +567,13 @@ yylex (void)
 #output "; /* "
   */
   static size_t toknum;
 #output "; /* "
   */
   static size_t toknum;

-  if (! (toknum < sizeof input))
-    abort ();
+  assert (toknum < sizeof input);

   yylval = value_as_yystype (input[toknum]);
   return input[toknum++];
 }
   yylval = value_as_yystype (input[toknum]);
   return input[toknum++];
 }

-
-static void
-yyerror (const char *msg)
-{
-  fprintf (stderr, "%s\n", msg);
-}

 ]])
 
 ]])
 

-# Pacify Emacs'font-lock-mode: "
+# Pacify Emacs' font-lock-mode: "

 
 AT_DATA([main.c],
 [[typedef int value;
 
 AT_DATA([main.c],
 [[typedef int value;


@@ -537,10 +587,11 @@ main (void)
   return yyparse ();
 }
 ]])
   return yyparse ();
 }
 ]])

+AT_BISON_OPTION_POPDEFS

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

-AT_COMPILE([input.o], [-c input.c])
-AT_COMPILE([main.o], [-c main.c])
+AT_COMPILE([input.o])
+AT_COMPILE([main.o])

 AT_COMPILE([input], [input.o main.o])
 AT_PARSER_CHECK([./input], 0,
 [[[@<:@],
 AT_COMPILE([input], [input.o main.o])
 AT_PARSER_CHECK([./input], 0,
 [[[@<:@],


@@ -622,14 +673,15 @@ AT_CLEANUP
 
 AT_SETUP([Symbols])
 
 
 AT_SETUP([Symbols])
 

+AT_BISON_OPTION_PUSHDEFS

 AT_DATA_GRAMMAR([input.y],
 [[%token WITH-DASH
 %token WITHOUT_DASH "WITHOUT-DASH"
 %token WITH.PERIOD
 %token WITHOUT_PERIOD "WITHOUT.PERIOD"
 %code {
 AT_DATA_GRAMMAR([input.y],
 [[%token WITH-DASH
 %token WITHOUT_DASH "WITHOUT-DASH"
 %token WITH.PERIOD
 %token WITHOUT_PERIOD "WITHOUT.PERIOD"
 %code {

-  void yyerror (char const *);
-  int yylex (void);
+  ]AT_YYERROR_DECLARE[
+  ]AT_YYLEX_DECLARE[

 }
 %%
 start: with-dash without_dash with.period without_period;
 }
 %%
 start: with-dash without_dash with.period without_period;


@@ -638,7 +690,10 @@ without_dash: "WITHOUT-DASH";
 with.period: WITH.PERIOD;
 without_period: "WITHOUT.PERIOD";
 %%
 with.period: WITH.PERIOD;
 without_period: "WITHOUT.PERIOD";
 %%

+]AT_YYERROR_DEFINE[
+]AT_YYLEX_DEFINE[

 ]])
 ]])

+AT_BISON_OPTION_POPDEFS

 
 # POSIX Yacc accept periods, but not dashes.
 AT_BISON_CHECK([--yacc input.y], [1], [],
 
 # POSIX Yacc accept periods, but not dashes.
 AT_BISON_CHECK([--yacc input.y], [1], [],


@@ -656,20 +711,23 @@ input.y:18.8-16: warning: POSIX Yacc forbids dashes in symbol names: with-dash
 AT_BISON_CHECK([-o input.c input.y])
 
 # Make sure we don't export silly token identifiers with periods or dashes.
 AT_BISON_CHECK([-o input.c input.y])
 
 # Make sure we don't export silly token identifiers with periods or dashes.

-AT_COMPILE([input.o], [-c input.c])
+AT_COMPILE([input.o])

 
 
 
 

-# Periods and dashes are genuine letters, they can start identifiers.
-# Digits cannot.
+# Periods are genuine letters, they can start identifiers.
+# Digits and dashes cannot.

 AT_DATA_GRAMMAR([input.y],
 [[%token .GOOD
          -GOOD
          1NV4L1D
 AT_DATA_GRAMMAR([input.y],
 [[%token .GOOD
          -GOOD
          1NV4L1D

+         -123

 %%
 %%

-start: .GOOD -GOOD
+start: .GOOD GOOD

 ]])
 AT_BISON_CHECK([-o input.c input.y], [1], [],
 ]])
 AT_BISON_CHECK([-o input.c input.y], [1], [],

-[[input.y:11.10-16: invalid identifier: `1NV4L1D'
+[[input.y:10.10: error: invalid character: '-'
+input.y:11.10-16: error: invalid identifier: '1NV4L1D'
+input.y:12.10: error: invalid character: '-'

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -691,10 +749,10 @@ start: DECIMAL_1 HEXADECIMAL_2;
 ]])
 
 AT_BISON_CHECK([redecl.y], [1], [],
 ]])
 
 AT_BISON_CHECK([redecl.y], [1], [],

-[[redecl.y:10.10-22: user token number 11259375 redeclaration for HEXADECIMAL_1
-redecl.y:9.8-16: previous declaration for DECIMAL_1
-redecl.y:12.10-18: user token number 16702650 redeclaration for DECIMAL_2
-redecl.y:11.10-22: previous declaration for HEXADECIMAL_2
+[[redecl.y:10.10-22: error: user token number 11259375 redeclaration for HEXADECIMAL_1
+redecl.y:9.8-16:       previous declaration for DECIMAL_1
+redecl.y:12.10-18: error: user token number 16702650 redeclaration for DECIMAL_2
+redecl.y:11.10-22:     previous declaration for HEXADECIMAL_2

 ]])
 
 AT_DATA_GRAMMAR([too-large.y],
 ]])
 
 AT_DATA_GRAMMAR([too-large.y],


@@ -706,8 +764,8 @@ start: TOO_LARGE_DEC TOO_LARGE_HEX
 ]])
 
 AT_BISON_CHECK([too-large.y], [1], [],
 ]])
 
 AT_BISON_CHECK([too-large.y], [1], [],

-[[too-large.y:9.22-42: integer out of range: `999999999999999999999'
-too-large.y:10.24-44: integer out of range: `0xFFFFFFFFFFFFFFFFFFF'
+[[too-large.y:9.22-42: error: integer out of range: '999999999999999999999'
+too-large.y:10.24-44: error: integer out of range: '0xFFFFFFFFFFFFFFFFFFF'

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -747,12 +805,31 @@ start: ;
 ]])
 
 AT_BISON_CHECK([-o input.c input.y], 1, [],
 ]])
 
 AT_BISON_CHECK([-o input.c input.y], 1, [],

-[[input.y:1.10-2.0: missing `"' at end of line
-input.y:4.10-5.0: missing `'' at end of line
-input.y:14.11-15.0: missing `'' at end of line
-input.y:16.11-17.0: missing `"' at end of line
-input.y:19.13-20.0: missing `}' at end of file
-input.y:20.1: syntax error, unexpected end of file
+[[input.y:1.10-2.0: error: missing '"' at end of line
+input.y:4.10-5.0: error: missing "'" at end of line
+input.y:14.11-15.0: error: missing "'" at end of line
+input.y:16.11-17.0: error: missing '"' at end of line
+input.y:19.13-20.0: error: missing '}' at end of file
+input.y:20.1: error: syntax error, unexpected end of file
+]])
+
+AT_BISON_CHECK([-fcaret -o input.c input.y], 1, [],
+[[input.y:1.10-2.0: error: missing '"' at end of line
+ %token A "a
+          ^^
+input.y:4.10-5.0: error: missing "'" at end of line
+ %token C '1
+          ^^
+input.y:14.11-15.0: error: missing "'" at end of line
+ %type <f> 'a
+           ^^
+input.y:16.11-17.0: error: missing '"' at end of line
+ %type <f> "a
+           ^^
+input.y:19.13-20.0: error: missing '}' at end of file
+ %destructor { free ($$)
+             ^^^^^^^^^^^
+input.y:20.1: error: syntax error, unexpected end of file

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -794,7 +871,7 @@ PREC: ;
 ]])
 
 AT_BISON_CHECK([input.y], [1], [],
 ]])
 
 AT_BISON_CHECK([input.y], [1], [],

-[[input.y:3.1-4: rule given for PREC, which is a token
+[[input.y:3.1-4: error: rule given for PREC, which is a token

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -835,10 +912,10 @@ AT_DATA([input-c.y],
 start: ;
 ]])
 AT_BISON_CHECK([[input-c.y]], [[1]], [],
 start: ;
 ]])
 AT_BISON_CHECK([[input-c.y]], [[1]], [],

-[[input-c.y:1.7: %code qualifier `q' is not used
-input-c.y:2.7-9: %code qualifier `bad' is not used
-input-c.y:3.7-9: %code qualifier `bad' is not used
-input-c.y:4.7-12: %code qualifier `format' is not used
+[[input-c.y:1.7: error: %code qualifier 'q' is not used
+input-c.y:2.7-9: error: %code qualifier 'bad' is not used
+input-c.y:3.7-9: error: %code qualifier 'bad' is not used
+input-c.y:4.7-12: error: %code qualifier 'format' is not used

 ]])
 
 AT_DATA([input-c-glr.y],
 ]])
 
 AT_DATA([input-c-glr.y],


@@ -849,9 +926,9 @@ AT_DATA([input-c-glr.y],
 start: ;
 ]])
 AT_BISON_CHECK([[input-c-glr.y]], [[1]], [],
 start: ;
 ]])
 AT_BISON_CHECK([[input-c-glr.y]], [[1]], [],

-[[input-c-glr.y:1.7: %code qualifier `q' is not used
-input-c-glr.y:2.7-9: %code qualifier `bad' is not used
-input-c-glr.y:3.8-10: %code qualifier `bad' is not used
+[[input-c-glr.y:1.7: error: %code qualifier 'q' is not used
+input-c-glr.y:2.7-9: error: %code qualifier 'bad' is not used
+input-c-glr.y:3.8-10: error: %code qualifier 'bad' is not used

 ]])
 
 AT_DATA([input-c++.y],
 ]])
 
 AT_DATA([input-c++.y],


@@ -862,9 +939,9 @@ AT_DATA([input-c++.y],
 start: ;
 ]])
 AT_BISON_CHECK([[input-c++.y]], [[1]], [],
 start: ;
 ]])
 AT_BISON_CHECK([[input-c++.y]], [[1]], [],

-[[input-c++.y:1.7: %code qualifier `q' is not used
-input-c++.y:2.7-9: %code qualifier `bad' is not used
-input-c++.y:3.8: %code qualifier `q' is not used
+[[input-c++.y:1.7: error: %code qualifier 'q' is not used
+input-c++.y:2.7-9: error: %code qualifier 'bad' is not used
+input-c++.y:3.8: error: %code qualifier 'q' is not used

 ]])
 
 AT_DATA([input-c++-glr.y],
 ]])
 
 AT_DATA([input-c++-glr.y],


@@ -875,9 +952,9 @@ AT_DATA([input-c++-glr.y],
 start: ;
 ]])
 AT_BISON_CHECK([[input-c++-glr.y]], [[1]], [],
 start: ;
 ]])
 AT_BISON_CHECK([[input-c++-glr.y]], [[1]], [],

-[[input-c++-glr.y:1.7-9: %code qualifier `bad' is not used
-input-c++-glr.y:2.7: %code qualifier `q' is not used
-input-c++-glr.y:3.7: %code qualifier `q' is not used
+[[input-c++-glr.y:1.7-9: error: %code qualifier 'bad' is not used
+input-c++-glr.y:2.7: error: %code qualifier 'q' is not used
+input-c++-glr.y:3.7: error: %code qualifier 'q' is not used

 ]])
 
 AT_DATA([special-char-@@.y],
 ]])
 
 AT_DATA([special-char-@@.y],


@@ -888,9 +965,9 @@ AT_DATA([special-char-@@.y],
 start: ;
 ]])
 AT_BISON_CHECK([[special-char-@@.y]], [[1]], [],
 start: ;
 ]])
 AT_BISON_CHECK([[special-char-@@.y]], [[1]], [],

-[[special-char-@@.y:1.7-9: %code qualifier `bad' is not used
-special-char-@@.y:2.7: %code qualifier `q' is not used
-special-char-@@.y:3.7: %code qualifier `q' is not used
+[[special-char-@@.y:1.7-9: error: %code qualifier 'bad' is not used
+special-char-@@.y:2.7: error: %code qualifier 'q' is not used
+special-char-@@.y:3.7: error: %code qualifier 'q' is not used

 ]])
 
 AT_DATA([special-char-@:>@.y],
 ]])
 
 AT_DATA([special-char-@:>@.y],


@@ -901,9 +978,9 @@ AT_DATA([special-char-@:>@.y],
 start: ;
 ]])
 AT_BISON_CHECK([[special-char-@:>@.y]], [[1]], [],
 start: ;
 ]])
 AT_BISON_CHECK([[special-char-@:>@.y]], [[1]], [],

-[[special-char-@:>@.y:1.7-9: %code qualifier `bad' is not used
-special-char-@:>@.y:2.7: %code qualifier `q' is not used
-special-char-@:>@.y:3.7: %code qualifier `q' is not used
+[[special-char-@:>@.y:1.7-9: error: %code qualifier 'bad' is not used
+special-char-@:>@.y:2.7: error: %code qualifier 'q' is not used
+special-char-@:>@.y:3.7: error: %code qualifier 'q' is not used

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -926,10 +1003,10 @@ start: ;
 ]])
 
 AT_BISON_CHECK([[input-redefined.y]], [[1]], [],
 ]])
 
 AT_BISON_CHECK([[input-redefined.y]], [[1]], [],

-[[input-redefined.y:2.9-11: %define variable `var' redefined
-input-redefined.y:1.9-11: previous definition
-input-redefined.y:3.10-12: %define variable `var' redefined
-input-redefined.y:2.9-11: previous definition
+[[input-redefined.y:2.9-11: error: %define variable 'var' redefined
+input-redefined.y:1.9-11:     previous definition
+input-redefined.y:3.10-12: error: %define variable 'var' redefined
+input-redefined.y:2.9-11:      previous definition

 ]])
 
 AT_DATA([input-unused.y],
 ]])
 
 AT_DATA([input-unused.y],


@@ -939,7 +1016,7 @@ start: ;
 ]])
 
 AT_BISON_CHECK([[input-unused.y]], [[1]], [],
 ]])
 
 AT_BISON_CHECK([[input-unused.y]], [[1]], [],

-[[input-unused.y:1.9-11: %define variable `var' is not used
+[[input-unused.y:1.9-11: error: %define variable 'var' is not used

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -983,8 +1060,20 @@ AT_DATA([[input-dg.y]],
 start: ;
 ]])
 AT_BISON_CHECK([[-Dvar=cmd-d input-dg.y]], [[1]], [],
 start: ;
 ]])
 AT_BISON_CHECK([[-Dvar=cmd-d input-dg.y]], [[1]], [],

-[[input-dg.y:1.9-11: %define variable `var' redefined
-<command line>:2: previous definition
+[[input-dg.y:1.9-11: error: %define variable 'var' redefined
+<command line>:1:      previous definition
+]])
+
+AT_DATA([[input-dg.y]],
+[[%define var "gram"
+%%
+start: ;
+]])
+AT_BISON_CHECK([[-fcaret -Dvar=cmd-d input-dg.y]], [[1]], [],
+[[input-dg.y:1.9-11: error: %define variable 'var' redefined
+ %define var "gram"
+         ^^^
+<command line>:2:      previous definition

 ]])
 
 AT_DATA([[input-unused.y]],
 ]])
 
 AT_DATA([[input-unused.y]],


@@ -992,8 +1081,8 @@ AT_DATA([[input-unused.y]],
 start: ;
 ]])
 AT_BISON_CHECK([[-Dunused-d -Funused-f input-unused.y]], [[1]], [],
 start: ;
 ]])
 AT_BISON_CHECK([[-Dunused-d -Funused-f input-unused.y]], [[1]], [],

-[[<command line>:2: %define variable `unused-d' is not used
-<command line>:3: %define variable `unused-f' is not used
+[[<command line>:1: error: %define variable 'unused-d' is not used
+<command line>:2: error: %define variable 'unused-f' is not used

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -1013,7 +1102,7 @@ start: ;
 ]])
 
 AT_BISON_CHECK([[Input.y]], [1], [],
 ]])
 
 AT_BISON_CHECK([[Input.y]], [1], [],

-[[Input.y:2.9-14: invalid value for %define Boolean variable `public'
+[[Input.y:2.9-14: error: invalid value for %define Boolean variable 'public'

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -1031,23 +1120,24 @@ AT_DATA([[input.y]],
 start: ;
 ]])
 AT_BISON_CHECK([[input.y]], [[1]], [[]],
 start: ;
 ]])
 AT_BISON_CHECK([[input.y]], [[1]], [[]],

-[[input.y:1.9-29: invalid value for %define variable `lr.default-reductions': `bogus'
-input.y:1.9-29: accepted value: `all'
-input.y:1.9-29: accepted value: `consistent'
-input.y:1.9-29: accepted value: `accepting'
+[[input.y:1.9-29: error: invalid value for %define variable 'lr.default-reductions': 'bogus'
+input.y:1.9-29:     accepted value: 'most'
+input.y:1.9-29:     accepted value: 'consistent'
+input.y:1.9-29:     accepted value: 'accepting'

 ]])
 
 # Back-end.
 ]])
 
 # Back-end.

+# FIXME: these should be indented, but we shouldn't mess with the m4 yet

 AT_DATA([[input.y]],
 [[%define api.push-pull neither
 %%
 start: ;
 ]])
 AT_BISON_CHECK([[input.y]], [1], [],
 AT_DATA([[input.y]],
 [[%define api.push-pull neither
 %%
 start: ;
 ]])
 AT_BISON_CHECK([[input.y]], [1], [],

-[[input.y:1.9-21: invalid value for %define variable `api.push-pull': `neither'
-input.y:1.9-21: accepted value: `pull'
-input.y:1.9-21: accepted value: `push'
-input.y:1.9-21: accepted value: `both'
+[[input.y:1.9-21: error: invalid value for %define variable 'api.push-pull': 'neither'
+input.y:1.9-21: error: accepted value: 'pull'
+input.y:1.9-21: error: accepted value: 'push'
+input.y:1.9-21: error: accepted value: 'both'

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -1067,10 +1157,10 @@ AT_DATA([[input.y]],
 start: ;
 ]])
 AT_BISON_CHECK([[input.y]], [1], [],
 start: ;
 ]])
 AT_BISON_CHECK([[input.y]], [1], [],

-[[input.y:1.9-21: invalid value for %define variable `api.push-pull': `neither'
-input.y:1.9-21: accepted value: `pull'
-input.y:1.9-21: accepted value: `push'
-input.y:1.9-21: accepted value: `both'
+[[input.y:1.9-21: error: invalid value for %define variable 'api.push-pull': 'neither'
+input.y:1.9-21: error: accepted value: 'pull'
+input.y:1.9-21: error: accepted value: 'push'
+input.y:1.9-21: error: accepted value: 'both'

 ]])
 
 AT_DATA([[input.y]],
 ]])
 
 AT_DATA([[input.y]],


@@ -1079,7 +1169,7 @@ AT_DATA([[input.y]],
 start: ;
 ]])
 AT_BISON_CHECK([[input.y]], [1], [],
 start: ;
 ]])
 AT_BISON_CHECK([[input.y]], [1], [],

-[[input.y:1.9-34: invalid value for %define Boolean variable `lr.keep-unreachable-states'
+[[input.y:1.9-34: error: invalid value for %define Boolean variable 'lr.keep-unreachable-states'

 ]])
 
 AT_DATA([[input.y]],
 ]])
 
 AT_DATA([[input.y]],


@@ -1088,7 +1178,7 @@ AT_DATA([[input.y]],
 start: ;
 ]])
 AT_BISON_CHECK([[input.y]], [[1]], [],
 start: ;
 ]])
 AT_BISON_CHECK([[input.y]], [[1]], [],

-[[input.y:1.9-15: %define variable `foo_bar' is not used
+[[input.y:1.9-15: error: %define variable 'foo_bar' is not used

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -1113,7 +1203,7 @@ start: ;
 ]])
 
 AT_BISON_CHECK([[input.y]], [[1]], [],
 ]])
 
 AT_BISON_CHECK([[input.y]], [[1]], [],

-[[input.y:1.9-16: %define variable `api.pure' is not used
+[[input.y:1.9-16: error: %define variable 'api.pure' is not used

 ]])
 ])
 
 ]])
 ])
 


@@ -1147,7 +1237,7 @@ start: ;
 
 AT_BISON_CHECK([[input.y]], [1], [],
 [m4_foreach([b4_arg], m4_dquote(m4_shift($@)),
 
 AT_BISON_CHECK([[input.y]], [1], [],
 [m4_foreach([b4_arg], m4_dquote(m4_shift($@)),

-[[input.y:3.9-17: ]b4_arg[
+[[input.y:3.9-17: error: ]b4_arg[

 ]])])
 ])
 
 ]])])
 ])
 


@@ -1193,14 +1283,14 @@ AT_DATA([empty.y],
 start: '';
 start: '
 ]])
 start: '';
 start: '
 ]])

-AT_CHECK([[perl -e "print 'start: \'';" >> empty.y || exit 77]])
+AT_CHECK([[$PERL -e "print 'start: \'';" >> empty.y || exit 77]])

 
 AT_BISON_CHECK([empty.y], [1], [],
 [[empty.y:2.8-9: warning: empty character literal
 empty.y:3.8-4.0: warning: empty character literal
 
 AT_BISON_CHECK([empty.y], [1], [],
 [[empty.y:2.8-9: warning: empty character literal
 empty.y:3.8-4.0: warning: empty character literal

-empty.y:3.8-4.0: missing `'' at end of line
+empty.y:3.8-4.0: error: missing "'" at end of line

 empty.y:4.8: warning: empty character literal
 empty.y:4.8: warning: empty character literal

-empty.y:4.8: missing `'' at end of file
+empty.y:4.8: error: missing "'" at end of file

 ]])
 
 AT_DATA([two.y],
 ]])
 
 AT_DATA([two.y],


@@ -1208,14 +1298,14 @@ AT_DATA([two.y],
 start: 'ab';
 start: 'ab
 ]])
 start: 'ab';
 start: 'ab
 ]])

-AT_CHECK([[perl -e "print 'start: \'ab';" >> two.y || exit 77]])
+AT_CHECK([[$PERL -e "print 'start: \'ab';" >> two.y || exit 77]])

 
 AT_BISON_CHECK([two.y], [1], [],
 [[two.y:2.8-11: warning: extra characters in character literal
 two.y:3.8-4.0: warning: extra characters in character literal
 
 AT_BISON_CHECK([two.y], [1], [],
 [[two.y:2.8-11: warning: extra characters in character literal
 two.y:3.8-4.0: warning: extra characters in character literal

-two.y:3.8-4.0: missing `'' at end of line
+two.y:3.8-4.0: error: missing "'" at end of line

 two.y:4.8-10: warning: extra characters in character literal
 two.y:4.8-10: warning: extra characters in character literal

-two.y:4.8-10: missing `'' at end of file
+two.y:4.8-10: error: missing "'" at end of file

 ]])
 
 AT_DATA([three.y],
 ]])
 
 AT_DATA([three.y],


@@ -1223,14 +1313,14 @@ AT_DATA([three.y],
 start: 'abc';
 start: 'abc
 ]])
 start: 'abc';
 start: 'abc
 ]])

-AT_CHECK([[perl -e "print 'start: \'abc';" >> three.y || exit 77]])
+AT_CHECK([[$PERL -e "print 'start: \'abc';" >> three.y || exit 77]])

 
 AT_BISON_CHECK([three.y], [1], [],
 [[three.y:2.8-12: warning: extra characters in character literal
 three.y:3.8-4.0: warning: extra characters in character literal
 
 AT_BISON_CHECK([three.y], [1], [],
 [[three.y:2.8-12: warning: extra characters in character literal
 three.y:3.8-4.0: warning: extra characters in character literal

-three.y:3.8-4.0: missing `'' at end of line
+three.y:3.8-4.0: error: missing "'" at end of line

 three.y:4.8-11: warning: extra characters in character literal
 three.y:4.8-11: warning: extra characters in character literal

-three.y:4.8-11: missing `'' at end of file
+three.y:4.8-11: error: missing "'" at end of file

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -1252,34 +1342,34 @@ start: '\777' '\0' '\xfff' '\x0'
 # Beside we cannot even expect "echo '\0'" to output two characters
 # (well three with \n): at least Bash 3.2 converts the two-character
 # sequence "\0" into a single NUL character.
 # Beside we cannot even expect "echo '\0'" to output two characters
 # (well three with \n): at least Bash 3.2 converts the two-character
 # sequence "\0" into a single NUL character.

-AT_CHECK([[perl -e 'print "start: \"\\\t\\\f\\\0\\\1\" ;";' >> input.y \
+AT_CHECK([[$PERL -e 'print "start: \"\\\t\\\f\\\0\\\1\" ;";' >> input.y \

            || exit 77]])
 
 AT_BISON_CHECK([input.y], [1], [],
            || exit 77]])
 
 AT_BISON_CHECK([input.y], [1], [],

-[[input.y:2.9-12: invalid number after \-escape: 777
+[[input.y:2.9-12: error: invalid number after \-escape: 777

 input.y:2.8-13: warning: empty character literal
 input.y:2.8-13: warning: empty character literal

-input.y:2.16-17: invalid number after \-escape: 0
+input.y:2.16-17: error: invalid number after \-escape: 0

 input.y:2.15-18: warning: empty character literal
 input.y:2.15-18: warning: empty character literal

-input.y:2.21-25: invalid number after \-escape: xfff
+input.y:2.21-25: error: invalid number after \-escape: xfff

 input.y:2.20-26: warning: empty character literal
 input.y:2.20-26: warning: empty character literal

-input.y:2.29-31: invalid number after \-escape: x0
+input.y:2.29-31: error: invalid number after \-escape: x0

 input.y:2.28-32: warning: empty character literal
 input.y:2.28-32: warning: empty character literal

-input.y:3.9-14: invalid number after \-escape: uffff
+input.y:3.9-14: error: invalid number after \-escape: uffff

 input.y:3.8-15: warning: empty character literal
 input.y:3.8-15: warning: empty character literal

-input.y:3.18-23: invalid number after \-escape: u0000
+input.y:3.18-23: error: invalid number after \-escape: u0000

 input.y:3.17-24: warning: empty character literal
 input.y:3.17-24: warning: empty character literal

-input.y:3.27-36: invalid number after \-escape: Uffffffff
+input.y:3.27-36: error: invalid number after \-escape: Uffffffff

 input.y:3.26-37: warning: empty character literal
 input.y:3.26-37: warning: empty character literal

-input.y:3.40-49: invalid number after \-escape: U00000000
+input.y:3.40-49: error: invalid number after \-escape: U00000000

 input.y:3.39-50: warning: empty character literal
 input.y:3.39-50: warning: empty character literal

-input.y:4.9-10: invalid character after \-escape: ` '
+input.y:4.9-10: error: invalid character after \-escape: ' '

 input.y:4.8-11: warning: empty character literal
 input.y:4.8-11: warning: empty character literal

-input.y:4.14-15: invalid character after \-escape: A
+input.y:4.14-15: error: invalid character after \-escape: A

 input.y:4.13-16: warning: empty character literal
 input.y:4.13-16: warning: empty character literal

-input.y:5.9-16: invalid character after \-escape: \t
-input.y:5.17: invalid character after \-escape: \f
-input.y:5.18: invalid character after \-escape: \0
-input.y:5.19: invalid character after \-escape: \001
+input.y:5.9-16: error: invalid character after \-escape: \t
+input.y:5.17: error: invalid character after \-escape: \f
+input.y:5.18: error: invalid character after \-escape: \0
+input.y:5.19: error: invalid character after \-escape: \001

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -1298,7 +1388,170 @@ start: ;
 # parse.lac.* options are useless if LAC isn't actually activated.
 AT_BISON_CHECK([[-Dparse.lac.es-capacity-initial=1 input.y]],
                [[1]], [],
 # parse.lac.* options are useless if LAC isn't actually activated.
 AT_BISON_CHECK([[-Dparse.lac.es-capacity-initial=1 input.y]],
                [[1]], [],

-[[<command line>:2: %define variable `parse.lac.es-capacity-initial' is not used
+[[<command line>:1: error: %define variable 'parse.lac.es-capacity-initial' is not used
+]])
+AT_BISON_CHECK([[-Dparse.lac.memory-trace=full input.y]],
+               [[1]], [],
+[[<command line>:1: error: %define variable 'parse.lac.memory-trace' is not used
+]])
+
+AT_CLEANUP
+
+## --------------------------------------------- ##
+## -Werror is not affected by -Wnone and -Wall.  ##
+## --------------------------------------------- ##
+
+AT_SETUP([[-Werror is not affected by -Wnone and -Wall]])
+
+AT_DATA([[input.y]],
+[[%%
+foo-bar: ;
+]])
+
+# -Werror is not enabled by -Wall or equivalent.
+AT_BISON_CHECK([[-Wall input.y]], [[0]], [[]],
+[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar
+]])
+AT_BISON_CHECK([[-W input.y]], [[0]], [[]],
+[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar
+]])
+AT_BISON_CHECK([[-Wno-none input.y]], [[0]], [[]],
+[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar
+]])
+
+# -Werror is not disabled by -Wnone or equivalent.
+AT_BISON_CHECK([[-Werror,none,yacc input.y]], [[1]], [[]], [[stderr]])
+AT_CHECK([[sed 's/^.*bison:/bison:/' stderr]], [[0]],
+[[bison: warnings being treated as errors
+input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar
+]])
+[mv stderr experr]
+AT_BISON_CHECK([[-Werror,no-all,yacc input.y]], [[1]], [[]], [[experr]])
+
+AT_CLEANUP
+
+
+## ------------------------------------------------------ ##
+## %name-prefix and %define api.prefix are incompatible.  ##
+## ------------------------------------------------------ ##
+
+AT_SETUP([[%name-prefix and %define api.prefix are incompatible]])
+
+# AT_TEST(DIRECTIVES, OPTIONS, ERROR-LOCATION)
+# --------------------------------------------
+m4_pushdef([AT_TEST],
+[AT_DATA([[input.y]],
+[[$1
+%%
+exp:;
+]])
+AT_BISON_CHECK([[$2 input.y]], [[1]], [[]],
+[[$3: error: '%name-prefix' and '%define api.prefix' cannot be used together
+]])
+])
+
+AT_TEST([%define api.prefix foo %name-prefix "bar"], [], [input.y:1.9-18])
+AT_TEST([], [-Dapi.prefix=foo -p bar], [<command line>:1])
+AT_TEST([%name-prefix "bar"], [-Dapi.prefix=foo], [<command line>:1])
+AT_TEST([%define api.prefix foo], [-p bar], [input.y:1.9-18])
+
+m4_popdef([AT_TEST])
+
+AT_CLEANUP
+
+
+## -------------- ##
+## Stray $ or @.  ##
+## -------------- ##
+
+AT_SETUP([[Stray $ or @]])
+
+# Give %printer and %destructor "<*> exp TOK" instead of "<*>" to
+# check that the warnings are reported once, not three times.
+
+AT_DATA_GRAMMAR([[input.y]],
+[[%token TOK
+%destructor     { $%; @%; } <*> exp TOK;
+%initial-action { $%; @%; };
+%printer        { $%; @%; } <*> exp TOK;
+%%
+exp: TOK        { $%; @%; $$ = $1; };
+]])
+
+AT_BISON_CHECK([[input.y]], 0, [],
+[[input.y:10.19: warning: stray '$'
+input.y:10.23: warning: stray '@'
+input.y:11.19: warning: stray '$'
+input.y:11.23: warning: stray '@'
+input.y:12.19: warning: stray '$'
+input.y:12.23: warning: stray '@'
+input.y:14.19: warning: stray '$'
+input.y:14.23: warning: stray '@'

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP

+
+
+
+## ---------------- ##
+## Code injection.  ##
+## ---------------- ##
+
+
+AT_SETUP([[Code injection]])
+
+m4_pattern_allow([^m4_errprintn$])
+
+# AT_TEST([MACRO])
+# ----------------
+# Try to have MACRO be run by bison.
+m4_pushdef([AT_TEST],
+[AT_DATA([[input.y]],
+[[%type <$1(DEAD %type)> exp
+%token <$1(DEAD %token)> a
+%initial-action
+{
+  $$;
+  $<$1(DEAD %initial-action)>$
+};
+%printer
+{
+  $$
+  $<$1(DEAD %printer)>$
+} <> <*>;
+%lex-param
+{
+  $1(DEAD %lex-param)
+};
+%parse-param
+{
+  $1(DEAD %parse-param)
+};
+%%
+exp:
+  a a[last]
+  {
+    $$;
+    $][1;
+    $<$1(DEAD action 1)>$
+    $<$1(DEAD action 2)>1
+    $<$1(DEAD action 3)>last
+    $<$1(DEAD action 4)>0
+    ;
+  };
+]])
+
+# FIXME: Provide a means to iterate over all the skeletons.
+AT_BISON_CHECK([[-d               input.y]])
+AT_BISON_CHECK([[-d -S glr.c      input.y]])
+AT_BISON_CHECK([[-d -S lalr1.cc   input.y]])
+AT_BISON_CHECK([[-d -S glr.cc     input.y]])
+AT_BISON_CHECK([[   -S lalr1.java input.y]])
+])
+
+AT_TEST([m4_errprintn])
+AT_TEST([@:>@m4_errprintn])
+
+m4_popdef([AT_TEST])
+
+AT_CLEANUP