[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.1-103-ga50de93

[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.1-103-ga50de93

[dsmith]

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- Log -----------------------------------------------------------------
commit a50de93955fe1272731dccfb3520514a9545f434
Author: David Smith <dsmith@redhat.com>
Date:   Tue Feb 23 12:48:49 2010 -0600

    PR 10690 (partial fix).  Handle '.=' operator in procfs probes.
    
    * tapsets.h (var_expanding_visitor): Add 'valid_ops' and 'op' member
      variables.
    * tapsets.cxx (var_expanding_visitor::var_expanding_visitor): Set
      'valid_ops' to '='.  By default, var_expanding_visitor classes only
      handle the '=' operator.
      (var_expanding_visitor::visit_assignment): Remember what operator we're
      handling.  When an operator is found that isn't in the 'valid_ops' set,
      error.
    * tapset-procfs.cxx
      (procfs_var_expanding_visitor::procfs_var_expanding_visitor): Add '.='
      to the 'valid_ops' set.
      (procfs_var_expanding_visitor::visit_target_symbol): Handle the '.='
      operator when the target variable is an lvalue.

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

Summary of changes:
 tapset-procfs.cxx |   65 +++++++++++++++++++++++++++++++++++++++++-----------
 tapsets.cxx       |   36 ++++++++++++++++++++++++-----
 tapsets.h         |    4 ++-
 3 files changed, 84 insertions(+), 21 deletions(-)


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