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#   Copyright (C) 1997 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  

# Please email any bugs, comments, and/or additions to this file to:
# bug-gcc@prep.ai.mit.edu

# Gcov test driver.

# Load support procs.
load_lib gcc-dg.exp

global GCC_UNDER_TEST

# For now find gcov in the same directory as $GCC_UNDER_TEST.
if { ![is_remote host] && [string match "*/*" [lindex $GCC_UNDER_TEST 0]] } {
    set GCOV [file dirname [lindex $GCC_UNDER_TEST 0]]/gcov
} else {
    set GCOV gcov
}

# Proc to delete the working files created by the compiler for gcov.

proc clean-gcov { testcase } {
    set basename [file tail $testcase]
    set base [file rootname $basename]
    remote_file host delete $base.bb $base.bbg $base.da $basename.gcov
}

# Called by dg-final to run gcov and analyze the results.

proc run-gcov { testcase } {
    global GCOV

    verbose "Running $GCOV $testcase" 2
    set testcase [remote_download host $testcase];
    set result [remote_exec host $GCOV $testcase];
    if { [lindex $result 0] != 0 } {
	fail "gcov failed: [lindex $result 1]"
	clean-gcov $testcase
	return
    }

    remote_upload host $testcase.gcov $testcase.gcov;
    set output [grep $testcase.gcov ".*count\\(\[0-9\]+\\)" line]
    #send_user "output:$output\n"
    set failed 0
    foreach line $output {
	verbose "Processing count line: $line" 3
	#send_user "line:$line\n"
	if [regexp "(\[0-9\]+) *(\[0-9\]+).*count\\((\[0-9\]+)\\)" "$line" all n is shouldbe] {
	    #send_user "n $n:is $is:shouldbe $shouldbe\n"
	    if { $is == "" } {
		fail "$testcase:$n:no data available for this line"
		incr failed
	    } elseif { $is != $shouldbe } {
		fail "$testcase:$n:is $is:should be $shouldbe"
		incr failed
	    }
	} else {
	    fail "$testcase: can't parse $line (in wrong place?)"
	    incr failed
	}
    }
    clean-gcov $testcase
    if !$failed {
	pass "gcov $testcase"
    }
}

# Initialize harness.
dg-init

# Delete old .da files.
set files [glob -nocomplain gcov-*.da];
if { $files != "" } {
    eval "remote_file build delete $files";
}

# Main loop.
dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/gcov-*.c]] "" ""

dg-finish