POSIX: warn if %prec's token was not defined.

[bison.git] / tests / input.at

diff --git a/tests/input.at b/tests/input.at
index 462e2aa9a847725163ba884fcafae851fa5658e0..5cec25b9cdbecf292a40328beaa0a7c0e77fe24d 100644 (file)
--- a/tests/input.at
+++ b/tests/input.at
@@ -1,20 +1,19 @@
 # Checking the Bison scanner.                    -*- Autotest -*-
 # Checking the Bison scanner.                    -*- Autotest -*-

-# Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2009 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([[Input Processing.]])
 
 
 AT_BANNER([[Input Processing.]])
 


@@ -33,7 +32,7 @@ exp: { $$ = $1 ; };
 exp: { @$ = @1 ; };
 ]])
 
 exp: { @$ = @1 ; };
 ]])
 

-AT_CHECK([bison 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: integer out of range: `$1'
 input.y:3.13-14: integer out of range: `@1'
 ]])


@@ -58,7 +57,7 @@ exp: foo { $$; } foo { $2; } foo
    ;
 ]])
 
    ;
 ]])
 

-AT_CHECK([bison input.y], [1], [],
+AT_BISON_CHECK([input.y], [1], [],

 [[input.y:5.12-13: $$ for the midrule at $2 of `exp' has no declared type
 input.y:5.24-25: $2 of `exp' has no declared type
 input.y:5.6-32: warning: type clash on default action: <bar> != <>
 [[input.y:5.12-13: $$ 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:5.6-32: warning: type clash on default action: <bar> != <>


@@ -118,7 +117,7 @@ l: INT | INT { $<integer>$ = $<integer>1; } INT { $<integer>$ = $<integer>2 + $<
 _AT_UNUSED_VALUES_DECLARATIONS])
 )
 
 _AT_UNUSED_VALUES_DECLARATIONS])
 )
 

-AT_CHECK([bison]m4_ifval($2, [ --warnings=midrule-values ])[ input.y], [0], [],
+AT_BISON_CHECK(m4_ifval($2, [ --warnings=midrule-values ])[ input.y], [0], [],

 [[input.y:11.10-32: warning: unset value: $]$[
 input.y:11.10-32: warning: unused value: $]1[
 input.y:11.10-32: warning: unused value: $]3[
 [[input.y:11.10-32: warning: unset value: $]$[
 input.y:11.10-32: warning: unused value: $]1[
 input.y:11.10-32: warning: unused value: $]3[


@@ -205,7 +204,7 @@ start: ;
 %printer { destroy ($$); } <>;
 ]])
 
 %printer { destroy ($$); } <>;
 ]])
 

-AT_CHECK([bison 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: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


@@ -256,7 +255,7 @@ start: ;
 %printer { destroy ($$); } <field2> <field1>;
 ]])
 
 %printer { destroy ($$); } <field2> <field1>;
 ]])
 

-AT_CHECK([bison 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: %destructor redeclaration for <field1>
 input.y:1.13-29: previous declaration
 input.y:4.13-29: %destructor redeclaration for <field1>


@@ -295,7 +294,7 @@ end: { } ;
 tagged: { } ;
 ]])
 
 tagged: { } ;
 ]])
 

-AT_CHECK([bison input.y], [0], [],
+AT_BISON_CHECK([input.y], [0], [],

 [[input.y:6.8-45: warning: unset value: $$
 input.y:6.8-45: warning: unused value: $2
 input.y:7.6-8: warning: unset value: $$
 [[input.y:6.8-45: warning: unset value: $$
 input.y:6.8-45: warning: unused value: $2
 input.y:7.6-8: warning: unset value: $$


@@ -312,7 +311,7 @@ end: { } ;
 tagged: { } ;
 ]])
 
 tagged: { } ;
 ]])
 

-AT_CHECK([bison input.y], [0], [],
+AT_BISON_CHECK([input.y], [0], [],

 [[input.y:6.8-45: warning: unused value: $4
 input.y:8.9-11: warning: unset value: $$
 ]])
 [[input.y:6.8-45: warning: unused value: $4
 input.y:8.9-11: warning: unset value: $$
 ]])


@@ -336,7 +335,7 @@ start: end end { $1; } ;
 end: { }  ;
 ]])
 
 end: { }  ;
 ]])
 

-AT_CHECK([bison input.y], [0], [],
+AT_BISON_CHECK([input.y], [0], [],

 [[input.y:6.8-22: warning: unset value: $$
 input.y:6.8-22: warning: unused value: $2
 input.y:7.6-8: warning: unset value: $$
 [[input.y:6.8-22: warning: unset value: $$
 input.y:6.8-22: warning: unused value: $2
 input.y:7.6-8: warning: unset value: $$


@@ -368,7 +367,7 @@ AT_DATA([input.y],
 exp: foo;
 ]])
 
 exp: foo;
 ]])
 

-AT_CHECK([bison 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:8.7-11: %type redeclaration for foo
 input.y:3.7-11: previous declaration
 input.y:10.13-17: %destructor redeclaration for foo


@@ -394,7 +393,7 @@ AT_SETUP([Torturing the Scanner])
 
 
 AT_DATA([input.y], [])
 
 
 AT_DATA([input.y], [])

-AT_CHECK([bison input.y], [1], [],
+AT_BISON_CHECK([input.y], [1], [],

 [[input.y:1.1: syntax error, unexpected end of file
 ]])
 
 [[input.y:1.1: syntax error, unexpected end of file
 ]])
 


@@ -402,7 +401,7 @@ AT_CHECK([bison input.y], [1], [],
 AT_DATA([input.y],
 [{}
 ])
 AT_DATA([input.y],
 [{}
 ])

-AT_CHECK([bison input.y], [1], [],
+AT_BISON_CHECK([input.y], [1], [],

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


@@ -538,7 +537,7 @@ 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.o], [-c input.c])
 AT_COMPILE([main.o], [-c main.c])
 AT_COMPILE([input], [input.o main.o])
 AT_COMPILE([input.o], [-c input.c])
 AT_COMPILE([main.o], [-c main.c])
 AT_COMPILE([input], [input.o main.o])


@@ -569,7 +568,7 @@ exp: "MY TOKEN";
 %%
 ]])
 
 %%
 ]])
 

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

 
 AT_CLEANUP
 
 
 AT_CLEANUP
 


@@ -585,7 +584,7 @@ AT_DATA_GRAMMAR([input.y],
 %%
 empty_file:;
 ]])
 %%
 empty_file:;
 ]])

-AT_CHECK([bison -o input.c input.y], $2, [], ignore)
+AT_BISON_CHECK([-o input.c input.y], $2, [], ignore)

 AT_CLEANUP
 ])
 
 AT_CLEANUP
 ])
 


@@ -611,7 +610,7 @@ start: 'a';
 %%
 ]])
 
 %%
 ]])
 

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

 
 AT_CLEANUP
 
 
 AT_CLEANUP
 


@@ -649,7 +648,7 @@ start: ;
 %destructor { free ($$)
 ]])
 
 %destructor { free ($$)
 ]])
 

-AT_CHECK([bison -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: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


@@ -677,7 +676,7 @@ start: false_start ;
 %start start;
 ]])
 
 %start start;
 ]])
 

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

 
 AT_CLEANUP
 
 
 AT_CLEANUP
 


@@ -696,13 +695,33 @@ start: PREC %prec PREC ;
 PREC: ;
 ]])
 
 PREC: ;
 ]])
 

-AT_CHECK([bison input.y], [1], [],
+AT_BISON_CHECK([input.y], [1], [],

 [[input.y:3.1-4: rule given for PREC, which is a token
 ]])
 
 AT_CLEANUP
 
 
 [[input.y:3.1-4: rule given for PREC, which is a token
 ]])
 
 AT_CLEANUP
 
 

+## ------------------------------- ##
+## %prec's token must be defined.  ##
+## ------------------------------- ##
+
+AT_SETUP([[%prec's token must be defined]])
+
+# According to POSIX, a %prec token must be defined separately.
+
+AT_DATA([[input.y]],
+[[%%
+start: %prec PREC ;
+]])
+
+AT_BISON_CHECK([[input.y]], [[0]], [],
+[[input.y:2.8-17: warning: token for %prec is not defined: PREC
+]])
+
+AT_CLEANUP
+
+

 ## -------------------------------- ##
 ## Reject unused %code qualifiers.  ##
 ## -------------------------------- ##
 ## -------------------------------- ##
 ## Reject unused %code qualifiers.  ##
 ## -------------------------------- ##


@@ -713,13 +732,15 @@ AT_DATA([input-c.y],
 [[%code q {}
 %code bad {}
 %code bad {}
 [[%code q {}
 %code bad {}
 %code bad {}

+%code format {}

 %%
 start: ;
 ]])
 %%
 start: ;
 ]])

-AT_CHECK([[bison input-c.y]], [0], [],
+AT_BISON_CHECK([[input-c.y]], [0], [],

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

+input-c.y:4.7-12: warning: %code qualifier `format' is not used

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


@@ -729,7 +750,7 @@ AT_DATA([input-c-glr.y],
 %%
 start: ;
 ]])
 %%
 start: ;
 ]])

-AT_CHECK([[bison input-c-glr.y]], [0], [],
+AT_BISON_CHECK([[input-c-glr.y]], [0], [],

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


@@ -742,7 +763,7 @@ AT_DATA([input-c++.y],
 %%
 start: ;
 ]])
 %%
 start: ;
 ]])

-AT_CHECK([[bison input-c++.y]], [0], [],
+AT_BISON_CHECK([[input-c++.y]], [0], [],

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


@@ -755,7 +776,7 @@ AT_DATA([input-c++-glr.y],
 %%
 start: ;
 ]])
 %%
 start: ;
 ]])

-AT_CHECK([[bison input-c++-glr.y]], [0], [],
+AT_BISON_CHECK([[input-c++-glr.y]], [0], [],

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


@@ -768,7 +789,7 @@ AT_DATA([special-char-@@.y],
 %%
 start: ;
 ]])
 %%
 start: ;
 ]])

-AT_CHECK([[bison special-char-@@.y]], [0], [],
+AT_BISON_CHECK([[special-char-@@.y]], [0], [],

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


@@ -781,7 +802,7 @@ AT_DATA([special-char-@:>@.y],
 %%
 start: ;
 ]])
 %%
 start: ;
 ]])

-AT_CHECK([[bison special-char-@:>@.y]], [0], [],
+AT_BISON_CHECK([[special-char-@:>@.y]], [0], [],

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


@@ -806,9 +827,11 @@ AT_DATA([input.y],
 start: ;
 ]])
 
 start: ;
 ]])
 

-AT_CHECK([[bison input.y]], [0], [],
+AT_BISON_CHECK([[input.y]], [0], [],

 [[input.y:2.9-11: warning: %define variable `var' redefined
 [[input.y:2.9-11: warning: %define variable `var' redefined

+input.y:1.9-11: warning: previous definition

 input.y:3.10-12: warning: %define variable `var' redefined
 input.y:3.10-12: warning: %define variable `var' redefined

+input.y:2.9-11: warning: previous definition

 input.y:1.9-11: warning: %define variable `var' is not used
 input.y:2.9-11: warning: %define variable `var' is not used
 input.y:3.10-12: warning: %define variable `var' is not used
 input.y:1.9-11: warning: %define variable `var' is not used
 input.y:2.9-11: warning: %define variable `var' is not used
 input.y:3.10-12: warning: %define variable `var' is not used


@@ -817,3 +840,162 @@ input.y:5.9-16: warning: %define variable `special2' is not used
 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP

+
+## --------------------------- ##
+## %define Boolean variables.  ##
+## --------------------------- ##
+
+AT_SETUP([[%define Boolean variables]])
+
+AT_DATA([Input.y],
+[[%language "Java"
+%define public "maybe"
+%define parser_class_name "Input"
+%%
+start: ;
+]])
+
+AT_BISON_CHECK([[Input.y]], [1], [],
+[[Input.y:2.9-14: invalid value for %define Boolean variable `public'
+]])
+
+AT_CLEANUP
+
+## ------------------------ ##
+## %define enum variables.  ##
+## ------------------------ ##
+
+AT_SETUP([[%define enum variables]])
+
+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'
+]])
+
+AT_CLEANUP
+
+## ------------------------- ##
+## Unused %define api.pure.  ##
+## ------------------------- ##
+
+AT_SETUP([[Unused %define api.pure]])
+
+# AT_CHECK_API_PURE(DECLS, VALUE)
+# -------------------------------
+# Make sure Bison reports that `%define api.pure VALUE' is unused when DECLS
+# are specified.
+m4_define([AT_CHECK_API_PURE],
+[
+AT_DATA([[input.y]],
+[[%define api.pure ]$2[
+]$1[
+%%
+start: ;
+]])
+
+AT_BISON_CHECK([[input.y]], [0], [],
+[[input.y:1.9-16: warning: %define variable `api.pure' is not used
+]])
+])
+
+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 "java"]], [["true"]])
+AT_CHECK_API_PURE([[%language "java"]], [["false"]])
+
+AT_CLEANUP
+
+## -------------------------------- ##
+## C++ namespace reference errors.  ##
+## -------------------------------- ##
+
+AT_SETUP([[C++ namespace reference errors]])
+
+# AT_CHECK_NAMESPACE_ERROR(NAMESPACE-DECL, ERROR, [ERROR], ...)
+# -------------------------------------------------------------
+# Make sure Bison reports all ERROR's for %define namespace "NAMESPACE-DECL".
+m4_define([AT_CHECK_NAMESPACE_ERROR],
+[
+AT_DATA([[input.y]],
+[[%language "C++"
+%defines
+%define namespace "]$1["
+%%
+start: ;
+]])
+
+AT_BISON_CHECK([[input.y]], [1], [],
+[m4_foreach([b4_arg], m4_dquote(m4_shift($@)),
+[[input.y:3.9-17: ]b4_arg[
+]])])
+])
+
+AT_CHECK_NAMESPACE_ERROR([[]],
+                         [[namespace reference is empty]])
+AT_CHECK_NAMESPACE_ERROR([[                            ]],
+                         [[namespace reference is empty]])
+AT_CHECK_NAMESPACE_ERROR([[foo::::bar]],
+                         [[namespace reference has consecutive "::"]])
+AT_CHECK_NAMESPACE_ERROR([[foo::       ::bar]],
+                         [[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::  ::]],
+                         [[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::  ]],
+                         [[namespace reference has a trailing "::"]])
+AT_CHECK_NAMESPACE_ERROR([[::]],
+                         [[namespace reference has a trailing "::"]])
+
+AT_CLEANUP
+
+## ------------------------- ##
+## Bad escapes in literals.  ##
+## ------------------------- ##
+
+AT_SETUP([[Bad escapes in literals]])
+
+AT_DATA([input.y],
+[[%%
+start: '\777' '\0' '\xfff' '\x0'
+       '\uffff' '\u0000' '\Uffffffff' '\U00000000'
+       '\ ' '\A';
+]])
+
+# It is not easy to create special characters, we cannot even trust tr.
+# 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 \
+           || exit 77]])
+
+AT_BISON_CHECK([input.y], [1], [],
+[[input.y:2.9-12: invalid number after \-escape: 777
+input.y:2.16-17: invalid number after \-escape: 0
+input.y:2.21-25: invalid number after \-escape: xfff
+input.y:2.29-31: invalid number after \-escape: x0
+input.y:3.9-14: invalid number after \-escape: uffff
+input.y:3.18-23: invalid number after \-escape: u0000
+input.y:3.27-36: invalid number after \-escape: Uffffffff
+input.y:3.40-49: invalid number after \-escape: U00000000
+input.y:4.9-10: invalid character after \-escape: ` '
+input.y:4.14-15: invalid character after \-escape: A
+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
+]])
+
+AT_CLEANUP