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On Fri, Mar 17, 2006 at 04:20:07PM +0300, Vladimir Prus wrote:(gdb) -var-create TMP * m ^done,name="TMP",numchild="3",type="int [3]" (gdb) -var-list-children TMP ^done,numchild="3",children=[ child={name="TMP.0",exp="0",numchild="0",type="int"}, child={name="TMP.1",exp="1",numchild="0",type="int"}, child={name="TMP.2",exp="2",numchild="0",type="int"}]
Suppose I display this to the user as a tree. If user selects first child of
"m" and wants to set watchpoint on it, I need to know the full name of
first child of "m". In C++, that would be m[0].
However, the information gdb prints does not allow me to compute m [0]:
Is this the only thing you need the name for, or is it useful for other
purposes in the user interface too? (Honest question - I have no
idea.)
If watchpoints are the only reason, then you could have a variant of a watchpoint command which took a varobj.
- Calling '-var-info-expression TMP.0' returns: ^done,lang="C++",exp="0"
It seems like Apple version has new command -var-info-path- expression, which
is not present in FSF version, and which supposedly will produce "m [0]".
We'd have to ask Jim for the history, but why should we do this instead
of fixing -var-info-expression? That behavior looks pretty wrong!
-- Daniel Jacobowitz CodeSourcery
Jim Ingham Apple Developer Tools
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