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scanner: reintroduce unput for missing end tokens

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Unput was no longer used since a POSIX-compatiblity issue with Flex 2.5.31,
which has been adressed in newer versions of Flex.  See this discussion:
<http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00029.html>

This partially reverts commit aa4180418f.

* src/scan-gram.l (unexpected_end): Here.
* tests/input.at: Adjust for new order of error reports.
This commit is contained in:
Theophile Ranquet
2012-11-15 17:10:35 +00:00
parent 11aef5e95b
commit c1b2677ad0
2 changed files with 51 additions and 84 deletions
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24
tests/input.at
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@@ -1469,12 +1469,22 @@ start: '
]])
AT_CHECK([[$PERL -e "print 'start: \'';" >> empty.y || exit 77]])
AT_BISON_CHECK([empty.y], [1], [],
AT_BISON_CHECK([-fcaret empty.y], [1], [],
[[empty.y:2.8-9: warning: empty character literal [-Wother]
empty.y:3.8-4.0: warning: empty character literal [-Wother]
start: '';
^^
empty.y:3.8-4.0: error: missing "'" at end of line
empty.y:4.8: warning: empty character literal [-Wother]
start: '
^
empty.y:3.8-4.0: warning: empty character literal [-Wother]
start: '
^
empty.y:4.8: error: missing "'" at end of file
start: '
^
empty.y:4.8: warning: empty character literal [-Wother]
start: '
^
]])
AT_DATA([two.y],
@@ -1486,10 +1496,10 @@ AT_CHECK([[$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 [-Wother]
two.y:3.8-4.0: warning: extra characters in character literal [-Wother]
two.y:3.8-4.0: error: missing "'" at end of line
two.y:4.8-10: warning: extra characters in character literal [-Wother]
two.y:3.8-4.0: warning: extra characters in character literal [-Wother]
two.y:4.8-10: error: missing "'" at end of file
two.y:4.8-10: warning: extra characters in character literal [-Wother]
]])
AT_DATA([three.y],
@@ -1501,10 +1511,10 @@ 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 [-Wother]
three.y:3.8-4.0: warning: extra characters in character literal [-Wother]
three.y:3.8-4.0: error: missing "'" at end of line
three.y:4.8-11: warning: extra characters in character literal [-Wother]
three.y:3.8-4.0: warning: extra characters in character literal [-Wother]
three.y:4.8-11: error: missing "'" at end of file
three.y:4.8-11: warning: extra characters in character literal [-Wother]
]])
AT_CLEANUP