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* [Bug exp/15109] New: file::object syntax doesn't work if current language is c++
@ 2013-02-06 19:10 dje at google dot com
2013-02-07 0:18 ` [Bug exp/15109] " dje at google dot com
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: dje at google dot com @ 2013-02-06 19:10 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=15109
Bug #: 15109
Summary: file::object syntax doesn't work if current language
is c++
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: exp
AssignedTo: unassigned@sourceware.org
ReportedBy: dje@google.com
Classification: Unclassified
gdb is supposed to support things like
p 'file.c'::local_variable
There's even a testcase for it: gdb.base/scope.exp.
But this feature is broken when the current language is c++.
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* [Bug exp/15109] file::object syntax doesn't work if current language is c++
2013-02-06 19:10 [Bug exp/15109] New: file::object syntax doesn't work if current language is c++ dje at google dot com
@ 2013-02-07 0:18 ` dje at google dot com
2013-02-12 19:19 ` tromey at redhat dot com
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: dje at google dot com @ 2013-02-07 0:18 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=15109
--- Comment #1 from dje at google dot com 2013-02-07 00:18:32 UTC ---
Repro:
foo.cc:
int foo;
int main () { return 0; }
bash$ g++ -g foo.cc
bash$ gdb a.out
(gdb) start
(gdb) disas 'foo.cc'::main
[... disassembly output ...]
(gdb) p 'foo.cc'::foo
A syntax error in expression, near `'.
(gdb) set lang c
Warning: the current language does not match this frame.
(gdb) p 'foo.cc'::foo
$1 = 0
(gdb)
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* [Bug exp/15109] file::object syntax doesn't work if current language is c++
2013-02-06 19:10 [Bug exp/15109] New: file::object syntax doesn't work if current language is c++ dje at google dot com
2013-02-07 0:18 ` [Bug exp/15109] " dje at google dot com
@ 2013-02-12 19:19 ` tromey at redhat dot com
2013-03-21 15:19 ` cvs-commit at gcc dot gnu.org
2013-03-21 15:20 ` tromey at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: tromey at redhat dot com @ 2013-02-12 19:19 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=15109
Tom Tromey <tromey at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |tromey at redhat dot com
AssignedTo|unassigned at sourceware |tromey at redhat dot com
|dot org |
--- Comment #2 from Tom Tromey <tromey at redhat dot com> 2013-02-12 19:18:58 UTC ---
The bug is that the 2-level name lexer has a bug in
this case, causing it not to return the "::" token.
Then the parse fails.
I have a localized patch to fix it but I am considering
whether rewriting this code in a cleaner way would
now be preferable.
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* [Bug exp/15109] file::object syntax doesn't work if current language is c++
2013-02-06 19:10 [Bug exp/15109] New: file::object syntax doesn't work if current language is c++ dje at google dot com
2013-02-07 0:18 ` [Bug exp/15109] " dje at google dot com
2013-02-12 19:19 ` tromey at redhat dot com
@ 2013-03-21 15:19 ` cvs-commit at gcc dot gnu.org
2013-03-21 15:20 ` tromey at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2013-03-21 15:19 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=15109
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> 2013-03-21 15:19:34 UTC ---
CVSROOT: /cvs/src
Module name: src
Changes by: tromey@sourceware.org 2013-03-21 15:19:33
Modified files:
gdb : ChangeLog c-exp.y
gdb/testsuite : ChangeLog
gdb/testsuite/gdb.cp: cpexprs.exp misc.exp
Log message:
PR exp/15109:
* c-exp.y (yylex): Rewrite to push all tokens onto the FIFO.
Handle FILENAME token.
gdb/testsuite
* gdb.cp/cpexprs.exp: Add test for FILENAME:: case.
* gdb.cp/misc.exp: Add test for FILENAME:: case.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.15294&r2=1.15295
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/c-exp.y.diff?cvsroot=src&r1=1.114&r2=1.115
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/ChangeLog.diff?cvsroot=src&r1=1.3591&r2=1.3592
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.cp/cpexprs.exp.diff?cvsroot=src&r1=1.12&r2=1.13
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.cp/misc.exp.diff?cvsroot=src&r1=1.16&r2=1.17
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* [Bug exp/15109] file::object syntax doesn't work if current language is c++
2013-02-06 19:10 [Bug exp/15109] New: file::object syntax doesn't work if current language is c++ dje at google dot com
` (2 preceding siblings ...)
2013-03-21 15:19 ` cvs-commit at gcc dot gnu.org
@ 2013-03-21 15:20 ` tromey at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: tromey at redhat dot com @ 2013-03-21 15:20 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=15109
Tom Tromey <tromey at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
Target Milestone|--- |7.7
--- Comment #4 from Tom Tromey <tromey at redhat dot com> 2013-03-21 15:20:28 UTC ---
Fixed.
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2013-02-06 19:10 [Bug exp/15109] New: file::object syntax doesn't work if current language is c++ dje at google dot com
2013-02-07 0:18 ` [Bug exp/15109] " dje at google dot com
2013-02-12 19:19 ` tromey at redhat dot com
2013-03-21 15:19 ` cvs-commit at gcc dot gnu.org
2013-03-21 15:20 ` tromey at redhat dot com
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