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* [Bug mi/28201] New: Unable to show children and to string pretty-printer values at the same time.
@ 2021-08-06 14:38 yerimyah1 at gmail dot com
2021-08-06 16:07 ` [Bug mi/28201] " tromey at sourceware dot org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: yerimyah1 at gmail dot com @ 2021-08-06 14:38 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=28201
Bug ID: 28201
Summary: Unable to show children and to string pretty-printer
values at the same time.
Product: gdb
Version: 10.1
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: mi
Assignee: unassigned at sourceware dot org
Reporter: yerimyah1 at gmail dot com
Target Milestone: ---
For example if i create a vector;
```
std::vector<std::string> aVector { "this", "is", "a", "standard", "list"}
```
in the normal gdb command line i would get
```
p aVector
$1 = std::vector of length 5, capacity 5 = {"this", "is ", "a", "standard",
"list"}
```
however in GDB/MI
```
-var-create - * "aVector"
--
result-class: done
name: var21
numchild: 0
value: {...}
type: std::vector<std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > > >
thread-id: 1
displayhint: array
dynamic: 1
has_more: 1
```
the to_string value of the std::vector pretty printer is gone and replaced by
"{...}"
the values is meant to show the size of the vector and very valuable when
debugging.
with the help of my mentor i was able to get the relevant part that it is
hardcoded to return `{...}` (there may be other parts) that may be relevant.
here
https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=gdb/c-varobj.c;h=f6db3a5d1ba77ad86e7d36a2cd94ef5fdc26069b;hb=refs/heads/master#l478
https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=gdb/varobj.c;h=d0c857a69060644b225f3072b96c90a44b6d1548;hb=refs/heads/master#l2162
thanks
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* [Bug mi/28201] Unable to show children and to string pretty-printer values at the same time.
2021-08-06 14:38 [Bug mi/28201] New: Unable to show children and to string pretty-printer values at the same time yerimyah1 at gmail dot com
@ 2021-08-06 16:07 ` tromey at sourceware dot org
2021-08-06 17:53 ` tromey at sourceware dot org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: tromey at sourceware dot org @ 2021-08-06 16:07 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=28201
Tom Tromey <tromey at sourceware dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |tromey at sourceware dot org
--- Comment #1 from Tom Tromey <tromey at sourceware dot org> ---
Yeah, back when we added Python pretty-printing, the MI maintainer
requested this behavior. I don't know why, as it seems un-useful to me.
Perhaps we could lift this restriction and show the to_string output
correctly in MI. (Maybe only under the newest MI version, to keep
compatibility.)
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* [Bug mi/28201] Unable to show children and to string pretty-printer values at the same time.
2021-08-06 14:38 [Bug mi/28201] New: Unable to show children and to string pretty-printer values at the same time yerimyah1 at gmail dot com
2021-08-06 16:07 ` [Bug mi/28201] " tromey at sourceware dot org
@ 2021-08-06 17:53 ` tromey at sourceware dot org
2021-08-15 19:56 ` yerimyah1 at gmail dot com
2022-05-25 18:24 ` tromey at sourceware dot org
3 siblings, 0 replies; 5+ messages in thread
From: tromey at sourceware dot org @ 2021-08-06 17:53 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=28201
Tom Tromey <tromey at sourceware dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Last reconfirmed| |2021-08-06
Status|UNCONFIRMED |NEW
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* [Bug mi/28201] Unable to show children and to string pretty-printer values at the same time.
2021-08-06 14:38 [Bug mi/28201] New: Unable to show children and to string pretty-printer values at the same time yerimyah1 at gmail dot com
2021-08-06 16:07 ` [Bug mi/28201] " tromey at sourceware dot org
2021-08-06 17:53 ` tromey at sourceware dot org
@ 2021-08-15 19:56 ` yerimyah1 at gmail dot com
2022-05-25 18:24 ` tromey at sourceware dot org
3 siblings, 0 replies; 5+ messages in thread
From: yerimyah1 at gmail dot com @ 2021-08-15 19:56 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=28201
--- Comment #2 from Ezike Ebuka <yerimyah1 at gmail dot com> ---
(In reply to Tom Tromey from comment #1)
> Yeah, back when we added Python pretty-printing, the MI maintainer
> requested this behavior. I don't know why, as it seems un-useful to me.
> Perhaps we could lift this restriction and show the to_string output
> correctly in MI. (Maybe only under the newest MI version, to keep
> compatibility.)
yeah that would be nice to remove the restriction on either the last or the
last two mi versions.
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* [Bug mi/28201] Unable to show children and to string pretty-printer values at the same time.
2021-08-06 14:38 [Bug mi/28201] New: Unable to show children and to string pretty-printer values at the same time yerimyah1 at gmail dot com
` (2 preceding siblings ...)
2021-08-15 19:56 ` yerimyah1 at gmail dot com
@ 2022-05-25 18:24 ` tromey at sourceware dot org
3 siblings, 0 replies; 5+ messages in thread
From: tromey at sourceware dot org @ 2022-05-25 18:24 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=28201
Tom Tromey <tromey at sourceware dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #3 from Tom Tromey <tromey at sourceware dot org> ---
Marking this one as a dup, as the other bug is older and has a patch.
*** This bug has been marked as a duplicate of bug 11335 ***
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2021-08-06 14:38 [Bug mi/28201] New: Unable to show children and to string pretty-printer values at the same time yerimyah1 at gmail dot com
2021-08-06 16:07 ` [Bug mi/28201] " tromey at sourceware dot org
2021-08-06 17:53 ` tromey at sourceware dot org
2021-08-15 19:56 ` yerimyah1 at gmail dot com
2022-05-25 18:24 ` tromey at sourceware dot org
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