# Checking the Bison scanner. -*- Autotest -*-
-# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 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
# it under the terms of the GNU General Public License as published by
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'
]])
;
]])
-AT_CHECK([bison input.y], [1], [],
+AT_BISON_CHECK([input.y], [1], [],
[[input.y:5.12-13: $$ for the midrule at $2 of `exp' has no declared type
input.y:5.24-25: $2 of `exp' has no declared type
input.y:5.6-32: warning: type clash on default action: <bar> != <>
_AT_UNUSED_VALUES_DECLARATIONS])
)
-AT_CHECK([bison]m4_ifval($2, [ --warnings=midrule-values ])[ input.y], [0], [],
+AT_BISON_CHECK(m4_ifval($2, [ --warnings=midrule-values ])[ input.y], [0], [],
[[input.y:11.10-32: warning: unset value: $]$[
input.y:11.10-32: warning: unused value: $]1[
input.y:11.10-32: warning: unused value: $]3[
%printer { destroy ($$); } <>;
]])
-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
%printer { destroy ($$); } <field2> <field1>;
]])
-AT_CHECK([bison input.y], [1], [],
+AT_BISON_CHECK([input.y], [1], [],
[[input.y:4.13-29: %destructor redeclaration for <field1>
input.y:1.13-29: previous declaration
input.y:4.13-29: %destructor redeclaration for <field1>
tagged: { } ;
]])
-AT_CHECK([bison input.y], [0], [],
+AT_BISON_CHECK([input.y], [0], [],
[[input.y:6.8-45: warning: unset value: $$
input.y:6.8-45: warning: unused value: $2
input.y:7.6-8: warning: unset value: $$
tagged: { } ;
]])
-AT_CHECK([bison input.y], [0], [],
+AT_BISON_CHECK([input.y], [0], [],
[[input.y:6.8-45: warning: unused value: $4
input.y:8.9-11: warning: unset value: $$
]])
end: { } ;
]])
-AT_CHECK([bison input.y], [0], [],
+AT_BISON_CHECK([input.y], [0], [],
[[input.y:6.8-22: warning: unset value: $$
input.y:6.8-22: warning: unused value: $2
input.y:7.6-8: warning: unset value: $$
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
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
]])
AT_DATA([input.y],
[{}
])
-AT_CHECK([bison input.y], [1], [],
+AT_BISON_CHECK([input.y], [1], [],
[[input.y:1.1-2: syntax error, unexpected {...}
]])
}
]])
-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_CHECK([bison -o input.c input.y])
+AT_BISON_CHECK([-o input.c input.y])
AT_CLEANUP
%%
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_CHECK([bison -o input.c input.y])
+AT_BISON_CHECK([-o input.c input.y])
AT_CLEANUP
%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
%start start;
]])
-AT_CHECK([bison -o input.c input.y])
+AT_BISON_CHECK([-o input.c input.y])
AT_CLEANUP
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
+## ------------------------------- ##
+## %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. ##
## -------------------------------- ##
%%
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
%%
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
%%
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
%%
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
%%
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
%%
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
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:1.9-11: warning: previous definition
input.y:3.10-12: warning: %define variable `var' redefined
start: ;
]])
-AT_CHECK([[bison Input.y]], [1], [],
+AT_BISON_CHECK([[Input.y]], [1], [],
[[Input.y:2.9-14: invalid value for %define Boolean variable `public'
]])
start: ;
]])
-AT_CHECK([[bison input.y]], [1], [],
+AT_BISON_CHECK([[input.y]], [1], [],
[[input.y:1.9-21: invalid value for %define variable `api.push_pull': `neither'
]])
start: ;
]])
-AT_CHECK([[bison input.y]], [0], [],
+AT_BISON_CHECK([[input.y]], [0], [],
[[input.y:1.9-16: warning: %define variable `api.pure' is not used
]])
])
start: ;
]])
-AT_CHECK([[bison input.y]], [1], [],
+AT_BISON_CHECK([[input.y]], [1], [],
[m4_foreach([b4_arg], m4_dquote(m4_shift($@)),
[[input.y:3.9-17: ]b4_arg[
]])])
[[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