struct/class members using mi interface

struct/class members using mi interface

[Alistair Leslie-Hughes]

Hi,

Using the mi interface, is there a way to retrieve all the member variables 
of a class/struct?

Best Regards
 Alistair Leslie-Hughes
 

Re: struct/class members using mi interface

[Jan Kratochvil]

On Wed, 20 Jul 2011 08:24:45 +0200, Alistair Leslie-Hughes wrote:
> Using the mi interface, is there a way to retrieve all the member
> variables of a class/struct?

yes, for samples one can check/run gdb/testsuite/gdb.mi/*.exp (first part
below) or I also sniffed Eclipse CDT communication by setting its gdb command
to a script (second part below).


Regards,
Jan


-var-create var1 * a
^done,name="var1",numchild="3",value="{...}",type="A",thread-id="1",has_more="0"

-var-list-children  var1
^done,numchild="3",children=[child={name="var1.public",exp="public",numchild="2",thread-id="1"},child={name="var1.private",exp="private",numchild="2",thread-id="1"},child={name="var1.protected",exp="protected",numchild="2",thread-id="1"}],has_more="0"

-var-list-children  var1.public
^done,numchild="2",children=[child={name="var1.public.x",exp="x",numchild="0",type="int",thread-id="1"},child={name="var1.public.buffer",exp="buffer",numchild="10",type="char
[10]",thread-id="1"}],has_more="0"

-var-list-children  var1.private
^done,numchild="2",children=[child={name="var1.private.u",exp="u",numchild="0",type="int",thread-id="1"},child={name="var1.private.z",exp="z",numchild="0",type="float",thread-id="1"}],has_more="0"

-var-list-children  var1.protected
^done,numchild="2",children=[child={name="var1.protected.y",exp="y",numchild="0",type="int",thread-id="1"},child={name="var1.protected.b",exp="b",numchild="2",type="B",thread-id="1"}],has_more="0"

-var-list-children  var1.protected.b
^done,numchild="2",children=[child={name="var1.protected.b.public",exp="public",numchild="2",thread-id="1"},child={name="var1.protected.b.private",exp="private",numchild="1",thread-id="1"}],has_more="0"

------------------------------------------------------------------------------

#! /bin/sh

TMP=/tmp
if [ -d $TMP/server ];then
	TMP=$TMP/server
fi
DIR=$TMP/gdb.d
mkdir -p $DIR
i=0
while true;do
	FILE=$DIR/`printf %02d $i`
	if ! test -f $FILE;then
		break
	fi
	i=$[$i+1]
done
tee $FILE.in | "$0"-orig "$@" | tee $FILE.out

Re: struct/class members using mi interface

[Tom Tromey]

>>>>> "Alistair" == Alistair Leslie-Hughes <leslie_alistair@hotmail.com> writes:

Alistair> Using the mi interface, is there a way to retrieve all the member
Alistair> variables of a class/struct?

You can see all the members of an instance using varobj.

I don't think there is a way to query types and get a structured result.
I think it would be a good addition.

Tom