grammar: free the association tracking graph

[bison.git] / tests / input.at

diff --git a/tests/input.at b/tests/input.at
index 385d0f3a9c1953a9d1949be63cee0d86e0c6d278..4d7308c107d6b86331b3b0dd054eea5d6e7f6d45 100644 (file)
--- a/tests/input.at
+++ b/tests/input.at
@@ -1,6 +1,6 @@
 # Checking the Bison scanner.                    -*- Autotest -*-
 
 # Checking the Bison scanner.                    -*- Autotest -*-
 

-# Copyright (C) 2002-2012 Free Software Foundation, Inc.
+# Copyright (C) 2002-2013 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


@@ -89,9 +89,13 @@ exp: { $$ = $1 ; };
 exp: { @$ = @1 ; };
 ]])
 
 exp: { @$ = @1 ; };
 ]])
 

-AT_BISON_CHECK([input.y], [1], [],
+AT_BISON_CHECK([-fcaret input.y], [1], [],

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

+ exp: { $$ = $1 ; };
+             ^^

 input.y:3.13-14: error: integer out of range: '@1'
 input.y:3.13-14: error: integer out of range: '@1'

+ exp: { @$ = @1 ; };
+             ^^

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -110,16 +114,26 @@ AT_DATA([input.y],
 %%
 exp: foo { $$; } foo { $2; } foo
    | foo
 %%
 exp: foo { $$; } foo { $2; } foo
    | foo

-   | /* Empty. */
+   | /* empty. */

    ;
 ]])
 
    ;
 ]])
 

-AT_BISON_CHECK([input.y], [1], [],
+AT_BISON_CHECK([-fcaret input.y], [1], [],

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

+ exp: foo { $$; } foo { $2; } foo
+            ^^

 input.y:5.24-25: error: $2 of 'exp' has no declared type
 input.y:5.24-25: error: $2 of 'exp' has no declared type

+ exp: foo { $$; } foo { $2; } foo
+                        ^^

 input.y:5.6-32: warning: type clash on default action: <bar> != <> [-Wother]
 input.y:5.6-32: warning: type clash on default action: <bar> != <> [-Wother]

+ exp: foo { $$; } foo { $2; } foo
+      ^^^^^^^^^^^^^^^^^^^^^^^^^^^

 input.y:6.6-8: warning: type clash on default action: <bar> != <> [-Wother]
 input.y:6.6-8: warning: type clash on default action: <bar> != <> [-Wother]

+    | foo
+      ^^^

 input.y:7.5: warning: empty rule for typed nonterminal, and no action [-Wother]
 input.y:7.5: warning: empty rule for typed nonterminal, and no action [-Wother]

+    | /* empty. */
+     ^

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -323,31 +337,79 @@ start: ;
 %printer { print ($$); } <>;
 ]])
 
 %printer { print ($$); } <>;
 ]])
 

-AT_BISON_CHECK([input.y], [1], [],
+AT_BISON_CHECK([-fcaret input.y], [1], [],

 [[input.y:1.13-29: error: %destructor redeclaration for <*>
 [[input.y:1.13-29: error: %destructor redeclaration for <*>

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

 input.y:1.13-29:     previous declaration
 input.y:1.13-29:     previous declaration

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

 input.y:2.10-24: error: %printer redeclaration for <*>
 input.y:2.10-24: error: %printer redeclaration for <*>

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

 input.y:2.10-24:     previous declaration
 input.y:2.10-24:     previous declaration

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

 input.y:4.13-29: error: %destructor redeclaration for <*>
 input.y:4.13-29: error: %destructor redeclaration for <*>

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

 input.y:1.13-29:     previous declaration
 input.y:1.13-29:     previous declaration

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

 input.y:5.10-24: error: %printer redeclaration for <*>
 input.y:5.10-24: error: %printer redeclaration for <*>

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

 input.y:2.10-24:     previous declaration
 input.y:2.10-24:     previous declaration

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

 input.y:7.13-29: error: %destructor redeclaration for <>
 input.y:7.13-29: error: %destructor redeclaration for <>

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

 input.y:7.13-29:     previous declaration
 input.y:7.13-29:     previous declaration

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

 input.y:8.10-24: error: %printer redeclaration for <>
 input.y:8.10-24: error: %printer redeclaration for <>

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

 input.y:8.10-24:     previous declaration
 input.y:8.10-24:     previous declaration

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

 input.y:10.13-29: error: %destructor redeclaration for <>
 input.y:10.13-29: error: %destructor redeclaration for <>

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

 input.y:7.13-29:      previous declaration
 input.y:7.13-29:      previous declaration

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

 input.y:11.10-24: error: %printer redeclaration for <>
 input.y:11.10-24: error: %printer redeclaration for <>

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

 input.y:8.10-24:      previous declaration
 input.y:8.10-24:      previous declaration

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

 input.y:17.13-29: error: %destructor redeclaration for <*>
 input.y:17.13-29: error: %destructor redeclaration for <*>

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

 input.y:4.13-29:      previous declaration
 input.y:4.13-29:      previous declaration

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

 input.y:18.10-24: error: %printer redeclaration for <*>
 input.y:18.10-24: error: %printer redeclaration for <*>

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

 input.y:5.10-24:      previous declaration
 input.y:5.10-24:      previous declaration

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

 input.y:20.13-29: error: %destructor redeclaration for <>
 input.y:20.13-29: error: %destructor redeclaration for <>

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

 input.y:10.13-29:     previous declaration
 input.y:10.13-29:     previous declaration

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

 input.y:21.10-24: error: %printer redeclaration for <>
 input.y:21.10-24: error: %printer redeclaration for <>

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

 input.y:11.10-24:     previous declaration
 input.y:11.10-24:     previous declaration

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

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -383,14 +445,14 @@ 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: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: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:11.13-29: error: %destructor redeclaration for <field1>
+input.y:4.13-29:      previous declaration

 input.y:12.10-24: error: %printer redeclaration for <field2>
 input.y:5.10-24:      previous declaration
 input.y:12.10-24: error: %printer redeclaration for <field2>
 input.y:5.10-24:      previous declaration

+input.y:12.10-24: error: %printer redeclaration for <field1>
+input.y:2.10-24:      previous declaration

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -409,11 +471,19 @@ AT_DATA([[input.y]],
 exp: bar;
 ]])
 
 exp: bar;
 ]])
 

-AT_BISON_CHECK([input.y], [1], [],
+AT_BISON_CHECK([-fcaret input.y], [1], [],

 [[input.y:2.16-18: error: symbol bar is used, but is not defined as a token and has no rules
 [[input.y:2.16-18: error: symbol bar is used, but is not defined as a token and has no rules

+ %destructor {} bar
+                ^^^

 input.y:1.17-19: warning: symbol baz is used, but is not defined as a token and has no rules [-Wother]
 input.y:1.17-19: warning: symbol baz is used, but is not defined as a token and has no rules [-Wother]

+ %printer {} foo baz
+                 ^^^

 input.y:1.13-15: warning: symbol foo is used, but is not defined as a token and has no rules [-Wother]
 input.y:1.13-15: warning: symbol foo is used, but is not defined as a token and has no rules [-Wother]

+ %printer {} foo baz
+             ^^^

 input.y:3.13-15: warning: symbol qux is used, but is not defined as a token and has no rules [-Wother]
 input.y:3.13-15: warning: symbol qux is used, but is not defined as a token and has no rules [-Wother]

+ %type <foo> qux
+             ^^^

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -530,10 +600,16 @@ end: { } ;
 tagged: { } ;
 ]])
 
 tagged: { } ;
 ]])
 

-AT_BISON_CHECK([input.y], [0], [],
+AT_BISON_CHECK([-fcaret input.y], [0], [],

 [[input.y:6.8-45: warning: unset value: $$ [-Wother]
 [[input.y:6.8-45: warning: unset value: $$ [-Wother]

+ start: end end tagged tagged { $<tag>1; $3; } ;
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

 input.y:6.12-14: warning: unused value: $2 [-Wother]
 input.y:6.12-14: warning: unused value: $2 [-Wother]

+ start: end end tagged tagged { $<tag>1; $3; } ;
+            ^^^

 input.y:7.6-8: warning: unset value: $$ [-Wother]
 input.y:7.6-8: warning: unset value: $$ [-Wother]

+ end: { } ;
+      ^^^

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


@@ -571,10 +647,16 @@ start: end end { $1; } ;
 end: { }  ;
 ]])
 
 end: { }  ;
 ]])
 

-AT_BISON_CHECK([input.y], [0], [],
+AT_BISON_CHECK([-fcaret input.y], [0], [],

 [[input.y:6.8-22: warning: unset value: $$ [-Wother]
 [[input.y:6.8-22: warning: unset value: $$ [-Wother]

+ start: end end { $1; } ;
+        ^^^^^^^^^^^^^^^

 input.y:6.12-14: warning: unused value: $2 [-Wother]
 input.y:6.12-14: warning: unused value: $2 [-Wother]

+ start: end end { $1; } ;
+            ^^^

 input.y:7.6-8: warning: unset value: $$ [-Wother]
 input.y:7.6-8: warning: unset value: $$ [-Wother]

+ end: { }  ;
+      ^^^

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -603,15 +685,31 @@ AT_DATA([input.y],
 exp: foo;
 ]])
 
 exp: foo;
 ]])
 

-AT_BISON_CHECK([input.y], [1], [],
+AT_BISON_CHECK([-fcaret input.y], [1], [],

 [[input.y:8.7-11: error: %type redeclaration for foo
 [[input.y:8.7-11: error: %type redeclaration for foo

+ %type <baz>       "foo"
+       ^^^^^

 input.y:3.7-11:     previous declaration
 input.y:3.7-11:     previous declaration

+ %type <bar>       foo
+       ^^^^^

 input.y:10.13-17: error: %destructor redeclaration for foo
 input.y:10.13-17: error: %destructor redeclaration for foo

+ %destructor {baz} "foo"
+             ^^^^^

 input.y:5.13-17:      previous declaration
 input.y:5.13-17:      previous declaration

+ %destructor {bar} foo
+             ^^^^^

 input.y:9.10-14: error: %printer redeclaration for foo
 input.y:9.10-14: error: %printer redeclaration for foo

+ %printer {baz}    "foo"
+          ^^^^^

 input.y:4.10-14:     previous declaration
 input.y:4.10-14:     previous declaration

+ %printer {bar}    foo
+          ^^^^^

 input.y:11.1-5: error: %left redeclaration for foo
 input.y:11.1-5: error: %left redeclaration for foo

+ %left             "foo"
+ ^^^^^

 input.y:6.1-5:      previous declaration
 input.y:6.1-5:      previous declaration

+ %left             foo
+ ^^^^^

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -637,8 +735,10 @@ AT_BISON_CHECK([input.y], [1], [],
 AT_DATA([input.y],
 [{}
 ])
 AT_DATA([input.y],
 [{}
 ])

-AT_BISON_CHECK([input.y], [1], [],
+AT_BISON_CHECK([-fcaret  input.y], [1], [],

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

+ {}
+ ^^

 ]])
 
 
 ]])
 
 


@@ -759,12 +859,7 @@ AT_DATA([main.c],
 #include "input.h"
 
 int yyparse (void);
 #include "input.h"
 
 int yyparse (void);

-
-int
-main (void)
-{
-  return yyparse ();
-}
+]AT_MAIN_DEFINE[

 ]])
 AT_BISON_OPTION_POPDEFS
 
 ]])
 AT_BISON_OPTION_POPDEFS
 


@@ -813,7 +908,7 @@ m4_define([AT_CHECK_REQUIRE],
 AT_DATA_GRAMMAR([input.y],
 [[%require "$1";
 %%
 AT_DATA_GRAMMAR([input.y],
 [[%require "$1";
 %%

-empty_file:;
+empty_file: /* empty */;

 ]])
 AT_BISON_CHECK([-o input.c input.y], $2, [], ignore)
 AT_CLEANUP
 ]])
 AT_BISON_CHECK([-o input.c input.y], $2, [], ignore)
 AT_CLEANUP


@@ -877,13 +972,13 @@ AT_BISON_OPTION_POPDEFS
 # POSIX Yacc accept periods, but not dashes.
 AT_BISON_CHECK([--yacc -Wno-error input.y], [], [],
 [[input.y:9.8-16: warning: POSIX Yacc forbids dashes in symbol names: WITH-DASH [-Wyacc]
 # POSIX Yacc accept periods, but not dashes.
 AT_BISON_CHECK([--yacc -Wno-error input.y], [], [],
 [[input.y:9.8-16: warning: POSIX Yacc forbids dashes in symbol names: WITH-DASH [-Wyacc]

-input.y:18.8-16: warning: POSIX Yacc forbids dashes in symbol names: with-dash [-Wyacc]
+input.y:20.8-16: warning: POSIX Yacc forbids dashes in symbol names: with-dash [-Wyacc]

 ]])
 
 # So warn about them.
 AT_BISON_CHECK([-Wyacc input.y], [], [],
 [[input.y:9.8-16: warning: POSIX Yacc forbids dashes in symbol names: WITH-DASH [-Wyacc]
 ]])
 
 # So warn about them.
 AT_BISON_CHECK([-Wyacc input.y], [], [],
 [[input.y:9.8-16: warning: POSIX Yacc forbids dashes in symbol names: WITH-DASH [-Wyacc]

-input.y:18.8-16: warning: POSIX Yacc forbids dashes in symbol names: with-dash [-Wyacc]
+input.y:20.8-16: warning: POSIX Yacc forbids dashes in symbol names: with-dash [-Wyacc]

 ]])
 
 # Dashes are fine for GNU Bison.
 ]])
 
 # Dashes are fine for GNU Bison.


@@ -983,15 +1078,6 @@ start: ;
 %destructor { free ($$)
 ]])
 
 %destructor { free ($$)
 ]])
 

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


@@ -1240,7 +1326,7 @@ start: ;
 ]])
 AT_BISON_CHECK([[-Dvar=cmd-d input-dg.y]], [[1]], [],
 [[input-dg.y:1.9-11: error: %define variable 'var' redefined
 ]])
 AT_BISON_CHECK([[-Dvar=cmd-d input-dg.y]], [[1]], [],
 [[input-dg.y:1.9-11: error: %define variable 'var' redefined

-<command line>:1:      previous definition
+<command line>:2:      previous definition

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


@@ -1252,7 +1338,7 @@ 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"
          ^^^
 [[input-dg.y:1.9-11: error: %define variable 'var' redefined
  %define var "gram"
          ^^^

-<command line>:2:      previous definition
+<command line>:3:      previous definition

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


@@ -1260,8 +1346,8 @@ 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>:1: error: %define variable 'unused-d' is not used
-<command line>:2: error: %define variable 'unused-f' is not used
+[[<command line>:2: error: %define variable 'unused-d' is not used
+<command line>:3: error: %define variable 'unused-f' is not used

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -1391,10 +1477,10 @@ AT_BISON_CHECK([[input.y]], [[1]], [],
 ]])
 ])
 
 ]])
 ])
 

-AT_CHECK_API_PURE([[%language "c++" %defines]], [[]])
-AT_CHECK_API_PURE([[%language "c++" %defines]], [[false]])
-AT_CHECK_API_PURE([[%language "c++" %defines %glr-parser]], [[""]])
-AT_CHECK_API_PURE([[%language "c++" %defines %glr-parser]], [[false]])
+AT_CHECK_API_PURE([[%language "c++"]], [[]])
+AT_CHECK_API_PURE([[%language "c++"]], [[false]])
+AT_CHECK_API_PURE([[%language "c++" %glr-parser]], [[""]])
+AT_CHECK_API_PURE([[%language "c++" %glr-parser]], [[false]])

 AT_CHECK_API_PURE([[%language "java"]], [[true]])
 AT_CHECK_API_PURE([[%language "java"]], [[false]])
 
 AT_CHECK_API_PURE([[%language "java"]], [[true]])
 AT_CHECK_API_PURE([[%language "java"]], [[false]])
 


@@ -1427,22 +1513,22 @@ AT_BISON_CHECK([[input.y]], [1], [],
 
 AT_CHECK_NAMESPACE_ERROR([[]],
                          [[namespace reference is empty]])
 
 AT_CHECK_NAMESPACE_ERROR([[]],
                          [[namespace reference is empty]])

-AT_CHECK_NAMESPACE_ERROR([[                            ]],
+AT_CHECK_NAMESPACE_ERROR([[ @tb@@tb@  @tb@ @tb@]],

                          [[namespace reference is empty]])
 AT_CHECK_NAMESPACE_ERROR([[foo::::bar]],
                          [[namespace reference has consecutive "::"]])
                          [[namespace reference is empty]])
 AT_CHECK_NAMESPACE_ERROR([[foo::::bar]],
                          [[namespace reference has consecutive "::"]])

-AT_CHECK_NAMESPACE_ERROR([[foo::       ::bar]],
+AT_CHECK_NAMESPACE_ERROR([[foo:: @tb@::bar]],

                          [[namespace reference has consecutive "::"]])
 AT_CHECK_NAMESPACE_ERROR([[::::bar]],
                          [[namespace reference has consecutive "::"]])
 AT_CHECK_NAMESPACE_ERROR([[:: ::bar]],
                          [[namespace reference has consecutive "::"]])
                          [[namespace reference has consecutive "::"]])
 AT_CHECK_NAMESPACE_ERROR([[::::bar]],
                          [[namespace reference has consecutive "::"]])
 AT_CHECK_NAMESPACE_ERROR([[:: ::bar]],
                          [[namespace reference has consecutive "::"]])

-AT_CHECK_NAMESPACE_ERROR([[foo::bar::  ::]],
+AT_CHECK_NAMESPACE_ERROR([[foo::bar::@tb@::]],

                          [[namespace reference has consecutive "::"]],
                          [[namespace reference has a trailing "::"]])
 AT_CHECK_NAMESPACE_ERROR([[foo::bar::]],
                          [[namespace reference has a trailing "::"]])
                          [[namespace reference has consecutive "::"]],
                          [[namespace reference has a trailing "::"]])
 AT_CHECK_NAMESPACE_ERROR([[foo::bar::]],
                          [[namespace reference has a trailing "::"]])

-AT_CHECK_NAMESPACE_ERROR([[foo::bar::  ]],
+AT_CHECK_NAMESPACE_ERROR([[foo::bar:: @tb@]],

                          [[namespace reference has a trailing "::"]])
 AT_CHECK_NAMESPACE_ERROR([[::]],
                          [[namespace reference has a trailing "::"]])
                          [[namespace reference has a trailing "::"]])
 AT_CHECK_NAMESPACE_ERROR([[::]],
                          [[namespace reference has a trailing "::"]])


@@ -1582,11 +1668,11 @@ 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>:1: error: %define variable 'parse.lac.es-capacity-initial' is not used
+[[<command line>:2: error: %define variable 'parse.lac.es-capacity-initial' is not used

 ]])
 AT_BISON_CHECK([[-Dparse.lac.memory-trace=full input.y]],
                [[1]], [],
 ]])
 AT_BISON_CHECK([[-Dparse.lac.memory-trace=full input.y]],
                [[1]], [],

-[[<command line>:1: error: %define variable 'parse.lac.memory-trace' is not used
+[[<command line>:2: error: %define variable 'parse.lac.memory-trace' is not used

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -1636,7 +1722,7 @@ m4_pushdef([AT_TEST],
 [AT_DATA([[input.y]],
 [[$1
 %%
 [AT_DATA([[input.y]],
 [[$1
 %%

-exp:;
+exp: /* empty */;

 ]])
 AT_BISON_CHECK([[$2 input.y]], [[1]], [[]],
 [[$3: error: '%name-prefix' and '%define api.prefix' cannot be used together
 ]])
 AT_BISON_CHECK([[$2 input.y]], [[1]], [[]],
 [[$3: error: '%name-prefix' and '%define api.prefix' cannot be used together


@@ -1644,8 +1730,8 @@ AT_BISON_CHECK([[$2 input.y]], [[1]], [[]],
 ])
 
 AT_TEST([%define api.prefix foo %name-prefix "bar"], [], [input.y:1.9-18])
 ])
 
 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([], [-Dapi.prefix=foo -p bar], [<command line>:2])
+AT_TEST([%name-prefix "bar"], [-Dapi.prefix=foo], [<command line>:2])

 AT_TEST([%define api.prefix foo], [-p bar], [input.y:1.9-18])
 
 m4_popdef([AT_TEST])
 AT_TEST([%define api.prefix foo], [-p bar], [input.y:1.9-18])
 
 m4_popdef([AT_TEST])


@@ -1668,19 +1754,22 @@ AT_DATA_GRAMMAR([[input.y]],
 %destructor     { $%; @%; } <*> exp TOK;
 %initial-action { $%; @%; };
 %printer        { $%; @%; } <*> exp TOK;
 %destructor     { $%; @%; } <*> exp TOK;
 %initial-action { $%; @%; };
 %printer        { $%; @%; } <*> exp TOK;

+%{ $ @ %} // Should not warn.

 %%
 exp: TOK        { $%; @%; $$ = $1; };
 %%
 exp: TOK        { $%; @%; $$ = $1; };

+%%
+$ @ // Should not warn.

 ]])
 
 ]])
 

-AT_BISON_CHECK([[input.y]], 0, [],
+AT_BISON_CHECK([[-Wall input.y]], 0, [],

 [[input.y:11.19: warning: stray '$' [-Wother]
 input.y:11.23: warning: stray '@' [-Wother]
 input.y:12.19: warning: stray '$' [-Wother]
 input.y:12.23: warning: stray '@' [-Wother]
 input.y:13.19: warning: stray '$' [-Wother]
 input.y:13.23: warning: stray '@' [-Wother]
 [[input.y:11.19: warning: stray '$' [-Wother]
 input.y:11.23: warning: stray '@' [-Wother]
 input.y:12.19: warning: stray '$' [-Wother]
 input.y:12.23: warning: stray '@' [-Wother]
 input.y:13.19: warning: stray '$' [-Wother]
 input.y:13.23: warning: stray '@' [-Wother]

-input.y:15.19: warning: stray '$' [-Wother]
-input.y:15.23: warning: stray '@' [-Wother]
+input.y:16.19: warning: stray '$' [-Wother]
+input.y:16.23: warning: stray '@' [-Wother]

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP