X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/39fb7e623967922da2fc0a6908dc94ed6e9f4488..dcd39f1d4ab0d2efa467406682175643c7c0ca1d:/tests/input.at

diff --git a/tests/input.at b/tests/input.at
index 0f3f8a38..1d50fe02 100644
--- a/tests/input.at
+++ b/tests/input.at
@@ -1,5 +1,6 @@
 # Checking the Bison scanner.                    -*- Autotest -*-
-# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+
+# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
 # Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
@@ -799,6 +800,26 @@ AT_BISON_CHECK([input.y], [1], [],
 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.  ##
 ## -------------------------------- ##
@@ -813,11 +834,11 @@ AT_DATA([input-c.y],
 %%
 start: ;
 ]])
-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:4.7-12: warning: %code qualifier `format' is not used
+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
 ]])
 
 AT_DATA([input-c-glr.y],
@@ -827,10 +848,10 @@ AT_DATA([input-c-glr.y],
 %%
 start: ;
 ]])
-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
+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
 ]])
 
 AT_DATA([input-c++.y],
@@ -840,10 +861,10 @@ AT_DATA([input-c++.y],
 %%
 start: ;
 ]])
-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
+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
 ]])
 
 AT_DATA([input-c++-glr.y],
@@ -853,10 +874,10 @@ AT_DATA([input-c++-glr.y],
 %%
 start: ;
 ]])
-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
+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
 ]])
 
 AT_DATA([special-char-@@.y],
@@ -866,10 +887,10 @@ AT_DATA([special-char-@@.y],
 %%
 start: ;
 ]])
-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
+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
 ]])
 
 AT_DATA([special-char-@:>@.y],
@@ -879,10 +900,10 @@ AT_DATA([special-char-@:>@.y],
 %%
 start: ;
 ]])
-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
+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
 ]])
 
 AT_CLEANUP
@@ -917,8 +938,8 @@ AT_DATA([input-unused.y],
 start: ;
 ]])
 
-AT_BISON_CHECK([[input-unused.y]], [[0]], [],
-[[input-unused.y:1.9-11: warning: %define variable `var' is not used
+AT_BISON_CHECK([[input-unused.y]], [[1]], [],
+[[input-unused.y:1.9-11: %define variable `var' is not used
 ]])
 
 AT_CLEANUP
@@ -928,9 +949,9 @@ AT_CLEANUP
 ## %define, --define, --force-define.  ##
 ## ----------------------------------- ##
 
-AT_SETUP([%define, --define, --force-define])
+AT_SETUP([[%define, --define, --force-define]])
 
-AT_DATA([skel.c],
+AT_DATA([[skel.c]],
 [[m4@&t@_divert_push(0)@
 @output(b4_parser_file_name@)@
 [var-dd: ]b4_percent_define_get([[var-dd]])[
@@ -939,23 +960,16 @@ var-dfg: ]b4_percent_define_get([[var-dfg]])[
 var-fd: ]b4_percent_define_get([[var-fd]])
 m4@&t@_divert_pop(0)
 ]])
-
-AT_DATA([input.y],
+AT_DATA([[input.y]],
 [[%define var-dfg "gram"
 %%
 start: ;
 ]])
-
 AT_BISON_CHECK([[-Dvar-dd=cmd-d1 -Dvar-dd=cmd-d2 \
                  -Fvar-ff=cmd-f1 -Fvar-ff=cmd-f2 \
                  -Dvar-dfg=cmd-d -Fvar-dfg=cmd-f \
                  -Fvar-fd=cmd-f -Dvar-fd=cmd-d   \
-                 -Dunused-d -Funused-f           \
-                 --skeleton ./skel.c input.y]], [[0]], [],
-[[<command line>:10: warning: %define variable `unused-d' is not used
-<command line>:11: warning: %define variable `unused-f' is not used
-]])
-
+                 --skeleton ./skel.c input.y]])
 AT_CHECK([[cat input.tab.c]], [[0]],
 [[var-dd: cmd-d2
 var-ff: cmd-f2
@@ -963,17 +977,25 @@ var-dfg: cmd-f
 var-fd: cmd-d
 ]])
 
-AT_DATA([input-dg.y],
+AT_DATA([[input-dg.y]],
 [[%define var "gram"
 %%
 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
 ]])
 
+AT_DATA([[input-unused.y]],
+[[%%
+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
+]])
+
 AT_CLEANUP
 
 ## --------------------------- ##
@@ -1004,7 +1026,7 @@ AT_SETUP([[%define enum variables]])
 
 # Front-end.
 AT_DATA([[input.y]],
-[[%define lr.default-reductions "bogus"
+[[%define lr.default-reductions bogus
 %%
 start: ;
 ]])
@@ -1017,7 +1039,7 @@ input.y:1.9-29: accepted value: `accepting'
 
 # Back-end.
 AT_DATA([[input.y]],
-[[%define api.push-pull "neither"
+[[%define api.push-pull neither
 %%
 start: ;
 ]])
@@ -1052,7 +1074,7 @@ input.y:1.9-21: accepted value: `both'
 ]])
 
 AT_DATA([[input.y]],
-[[%define lr.keep_unreachable_states "maybe"
+[[%define lr.keep_unreachable_states maybe
 %%
 start: ;
 ]])
@@ -1065,8 +1087,8 @@ AT_DATA([[input.y]],
 %%
 start: ;
 ]])
-AT_BISON_CHECK([[input.y]], [0], [],
-[[input.y:1.9-15: warning: %define variable `foo_bar' is not used
+AT_BISON_CHECK([[input.y]], [[1]], [],
+[[input.y:1.9-15: %define variable `foo_bar' is not used
 ]])
 
 AT_CLEANUP
@@ -1090,17 +1112,17 @@ AT_DATA([[input.y]],
 start: ;
 ]])
 
-AT_BISON_CHECK([[input.y]], [0], [],
-[[input.y:1.9-16: warning: %define variable `api.pure' is not used
+AT_BISON_CHECK([[input.y]], [[1]], [],
+[[input.y:1.9-16: %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]], [[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_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
 
@@ -1160,10 +1182,8 @@ AT_CLEANUP
 # Bison used to accept character literals that were empty or contained
 # too many characters.
 
-# FIXME: $ECHO_N and $ECHO_C are not very portable according to the
-# Autoconf manual.  Switch to AS_ECHO_N when Autoconf 2.64 is released?
-# Even better, AT_DATA or some variant of AT_DATA may eventually permit
-# a trailing newline.  See the threads starting at
+# FIXME: AT_DATA or some variant of AT_DATA may eventually permit
+# the final newline to be omitted.  See the threads starting at
 # <http://lists.gnu.org/archive/html/bison-patches/2009-07/msg00019.html>.
 
 AT_SETUP([[Bad character literals]])
@@ -1173,7 +1193,7 @@ AT_DATA([empty.y],
 start: '';
 start: '
 ]])
-echo $ECHO_N "start: '$ECHO_C" >> empty.y
+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
@@ -1188,7 +1208,7 @@ AT_DATA([two.y],
 start: 'ab';
 start: 'ab
 ]])
-echo $ECHO_N "start: 'ab$ECHO_C" >> two.y
+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
@@ -1203,7 +1223,7 @@ AT_DATA([three.y],
 start: 'abc';
 start: 'abc
 ]])
-echo $ECHO_N "start: 'abc$ECHO_C" >> three.y
+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
@@ -1227,7 +1247,13 @@ start: '\777' '\0' '\xfff' '\x0'
        '\uffff' '\u0000' '\Uffffffff' '\U00000000'
        '\ ' '\A';
 ]])
-echo 'start: "\T\F\0\1" ;' | tr 'TF01' '\011\014\0\1' >> input.y
+
+# 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