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fix generated comments

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In Bison 3.6.2, the comments with brackets lose their brackets, for
improper m4 quotation.

* data/skeletons/bison.m4 (b4_gsub): New.
* data/skeletons/c-like.m4 (_b4_comment): Use it.
* tests/m4.at: Check b4_gsub.
This commit is contained in:
Akim Demaille
2020-05-21 17:23:21 +02:00
parent 1ebc2ac55c
commit f80890c4bb
3 changed files with 54 additions and 5 deletions
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30
tests/m4.at
View File

@@ -29,18 +29,44 @@ AT_DATA([input.m4],
[[m4@&t@_include(b4_skeletonsdir/[c.m4])
b4_output_begin([output.txt])
b4_gsub([[abcd]],
[a], [b])
b4_gsub([[abcd]],
[a], [b],
[b], [c],
[c], [d])
_b4_comment([["/* () */"]])
_b4_comment([["/* ( */"]])
_b4_comment([["/* ) */"]])
_b4_comment([["/* [] */"]])
b4_comment([["/* () */"]])
b4_comment([["/* ( */"]])
b4_comment([["/* ) */"]])
b4_comment([["/* [] */"]])
b4_output_end([output.txt])
]])
AT_BISON_CHECK([-S ./input.m4 input.y])
AT_CHECK([cat output.txt], [],
[/* "/\* () *\/" */
[[
[bbcd]
[dddd]
"/\* () *\/"
"/\* ( *\/"
"/\* ) *\/"
"/\* [] *\/"
/* "/\* () *\/" */
/* "/\* ( *\/" */
/* "/\* ) *\/" */
])
/* "/\* [] *\/" */
]])
AT_CLEANUP