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src ./ChangeLog ./tapsets.cxx ./translate.cxx ...


CVSROOT:	/cvs/systemtap
Module name:	src
Changes by:	fche@sourceware.org	2005-08-24 17:01:53

Modified files:
	.              : ChangeLog tapsets.cxx translate.cxx 
	tapset         : builtin_logging.stp 
Added files:
	testsuite/buildok: sixteen.stp 

Log message:
	2005-08-24  Frank Ch. Eigler  <fche@elastic.org>
	
	* tapsets.cxx (*::emit_probe_entries): Treat NULL and "" last_errors
	both as clean early returns, not errors.
	* translate.cxx: Revamp last_error handling logic.  Remove all
	"goto out" paths from expression context.
	(visit_statement): Handle last_error exit one nesting level at a time.
	(visit_return_statement, visit_functioncall): Set/reset last_error="".
	(c_tmpcounter::visit_for_loop): New routine.
	(c_unparser::visit_foreach, visit_for_loop): Rewrite to properly
	support continue/breaks, non-local exits, (foreach) locks.
	(emit_global): Emit lock variable.
	(varlock ctor, dtor): Lock/unlock global variable.
	(varlock_w, varlock_r): New concrete subclasses.  Update all users.
	* tapset/builtin_logging.stp (exit): Don't set last_error.
	* src/testsuite/buildok/sixteen.stp: New test.
	
	* tapsets.cxx: Temporarily rolled back graydon's changes.

Patches:
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/ChangeLog.diff?cvsroot=systemtap&r1=1.114&r2=1.115
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/tapsets.cxx.diff?cvsroot=systemtap&r1=1.44&r2=1.45
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/translate.cxx.diff?cvsroot=systemtap&r1=1.34&r2=1.35
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/tapset/builtin_logging.stp.diff?cvsroot=systemtap&r1=1.3&r2=1.4
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/testsuite/buildok/sixteen.stp.diff?cvsroot=systemtap&r1=NONE&r2=1.1


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