------- Comment #1 from pinskia at gmail dot com 2008-09-19 18:11 ------- Subject: Re: New: g++ should emit different debug info for variable's type
Sent from my iPhone On Sep 19, 2008, at 10:58 AM, "tromey at gcc dot gnu dot org" <[EMAIL PROTECTED] > wrote: > Consider this code: > > #include <string> > std::string s; > > I compiled this with -g and examined the resulting dwarf. > 's' is represented as: > > <1><24e8>: Abbrev Number: 63 (DW_TAG_variable) > <24e9> DW_AT_name : s > <24eb> DW_AT_decl_file : 1 > <24ec> DW_AT_decl_line : 3 > <24ed> DW_AT_type : <24dd> > <24f1> DW_AT_external : 1 > <24f2> DW_AT_location : 5 byte block: 3 0 0 0 0 > (DW_OP_addr: 0) > > The type of s is: > > <1><24dd>: Abbrev Number: 3 (DW_TAG_typedef) > <24de> DW_AT_name : (indirect string, offset: 0xf4e): > string > <24e2> DW_AT_decl_file : 17 > <24e3> DW_AT_decl_line : 61 > <24e4> DW_AT_type : <f51> > > However, the declared type is not 'string', it is 'std::string'. No it is string inside the namespace of std. This typedef should be a sibling of a namespace. If it is, then it is the job of the debugger to show the correct thing. > > I think it would be better to always emit the declared type > as it appears in the source. That way, "whatis s" in gdb will give an > answer which is expected by the user, and which is a valid type name > at the point of declaration. > > > -- > Summary: g++ should emit different debug info for > variable's type > Product: gcc > Version: 4.4.0 > Status: UNCONFIRMED > Severity: normal > Priority: P3 > Component: c++ > AssignedTo: unassigned at gcc dot gnu dot org > ReportedBy: tromey at gcc dot gnu dot org > > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37590 > -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37590
