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[gdb/testsuite] Use non-capturing parentheses for inferior_exited_re 

The inferior_exited_re regexp uses capturing parentheses by default:
...
set inferior_exited_re "(\\\[Inferior \[0-9\]+ \\(.*\\) exited)"
...

The parentheses are there to be able to use the expression as an atom, f.i.,
to have '+' apply to the whole regexp in "${inferior_exited_re}+".

But the capturing is not necessary, and it can be confusing because it's not
obvious in a regexp using "$inferior_exited_re (bla|bli)" that the first
captured expression is in $inferior_exited_re.

Replace by non-capturing parentheses.  If we still want to capture the
expression, we can simply (and more clearly) use "($inferior_exited_re)".

Build and reg-tested on x86_64-linux.

gdb/testsuite/ChangeLog:

2020-02-04  Tom de Vries  <tdevries@suse.de>

	* lib/gdb.exp (inferior_exited_re): Use non-capturing parentheses.

Change-Id: I7640c6129b1ada617424d6a63730d4b119c58ef3
This commit is contained in:
Tom de Vries 2020-02-04 09:53:50 +01:00
parent 719546c44f
commit 780636aec0
2 changed files with 5 additions and 1 deletions
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4
gdb/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2020-02-04 Tom de Vries <tdevries@suse.de>
* lib/gdb.exp (inferior_exited_re): Use non-capturing parentheses.
2020-02-03 Rogerio A. Cardoso <rcardoso@linux.ibm.com>
* gdb.arch/powerpc-power8.exp: Delete trailing whitespace of

2
gdb/testsuite/lib/gdb.exp
View File

@ -117,7 +117,7 @@ if ![info exists env(EXEEXT)] {
set octal "\[0-7\]+"
set inferior_exited_re "(\\\[Inferior \[0-9\]+ \\(.*\\) exited)"
set inferior_exited_re "(?:\\\[Inferior \[0-9\]+ \\(.*\\) exited)"
# A regular expression that matches a value history number.
# E.g., $1, $2, etc.