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diagnostics: don't try to quote special files

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Based on a report by Todd Freed.
http://lists.gnu.org/archive/html/bug-bison/2019-04/msg00000.html
See also https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90034

* src/location.c (caret_info): Also track the file name.
(location_caret): Don't quote special files.
This commit is contained in:
Akim Demaille
2019-04-22 17:30:20 +02:00
parent 95d688957f
commit a992a3cb9e
3 changed files with 66 additions and 11 deletions
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22
tests/diagnostics.at
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@@ -161,5 +161,27 @@ input.y:18.4-17: <warning>warning:</warning> empty rule without %empty [<warning
]])
## -------------- ##
## Special files. ##
## -------------- ##
# Don't try to quote special files.
# http://lists.gnu.org/archive/html/bug-bison/2019-04/msg00000.html
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90034
AT_TEST([[Special files]],
[[%%
exp: a b
a: {}
#line 1 "/dev/stdout"
b: {}
]],
[[input.y:11.4-5: <warning>warning:</warning> empty rule without %empty [<warning>-Wempty-rule</warning>]
11 | a: <warning>{}</warning>
| <warning>^~</warning>
/dev/stdout:1.4-5: <warning>warning:</warning> empty rule without %empty [<warning>-Wempty-rule</warning>]
]])
m4_popdef([AT_TEST])