foreach py {python python2 python3} {
    set test "dtrace $py"
    set python "/usr/bin/$py"
    if {! [file executable $python]} then {
        unsupported $test
        continue
    }
    
# Test the dtrace compatible python script
if {[installtest_p]} { 
    set dtrace "$env(SYSTEMTAP_PATH)/dtrace"
} else {
    set dtrace "../dtrace"
}

# Create the test .d files
set dpath "$srcdir/$subdir/dtrace-test.d"
set ipath "$srcdir/$subdir/dtrace-inc-dtest.h"
set idpath "$srcdir/$subdir/dtrace-itest.d"
set pypath "$srcdir/$subdir/dtrace-pypath.d"
set incpath "$srcdir/$subdir"


# clean up junk output from previous runs
exec rm -f dtrace-*

# -----------------------------------------------------------------
# test command line option and file handling 

verbose -log "$dtrace -G -64 -fPIC -s $dpath -o dtrace-XXX.o"
catch {exec $python $dtrace -G -64 -fPIC -s $dpath -o dtrace-XXX.o}
if {[file exists dtrace-XXX.o]} then {
    pass "$test -G -64 -fPIC -o dtrace-XXX.o"
} else {
    fail "$test -G -64 -fPIC -o dtrace-XXX.o"
}
exec rm -f dtrace-XXX.o


set env(CFLAGS) "-DFOO=\\\"5.5.5\\\" \\\n -DFOO2 \n -DFOO3"

verbose -log "set tricky CFLAGS=$env(CFLAGS)"
catch { exec sh -c {env | grep -A2 CFLAGS} } nonhex
verbose -log "nonhexdump $nonhex"
catch { exec sh -c {env | grep -A2 CFLAGS | od -t x1} } hex
verbose -log "hexdump $hex"
    
verbose -log "$dtrace -G -s $dpath -o dtrace-XXX"
catch {exec $python $dtrace -G -s $dpath -o dtrace-XXX} res
if {[file exists dtrace-XXX]} then {
    pass "$test -G -o dtrace-XXX"
} else {
    fail "$test -G -o dtrace-XXX $res"
}
exec rm -f dtrace-XXX

unset env(CFLAGS)

verbose -log "$dtrace -h -s $dpath -o dtrace-XXX.h"
catch {exec $python $dtrace -h -s $dpath -o dtrace-XXX.h} res
if {[file exists dtrace-XXX.h]} then {
    pass "$test -h -o dtrace-XXX.h"
} else {
    fail "$test -h -o dtrace-XXX.h $res"
}
exec rm -f dtrace-XXX.h

verbose -log "$dtrace -h -s $dpath -o dtrace-XXX"
catch {exec $python $dtrace -h -s $dpath -o dtrace-XXX}
if {[file exists dtrace-XXX]} then {
    pass "$test -h -o dtrace-XXX"
} else {
    fail "$test -h -o dtrace-XXX"
}
exec rm -f dtrace-XXX

verbose -log "$dtrace -G -s $dpath -o /tmp/XXX.o"
catch {exec $python $dtrace -G -s $dpath -o /tmp/XXX.o} res
if {[file exists /tmp/XXX.o]} then {
    pass "$test -G -o /tmp/XXX.o"
} else {
    fail "$test -G -o /tmp/XXX.o $res"
}
exec rm -f /tmp/XXX.o

verbose -log "$dtrace -G -s $dpath -o /dev/null"
if [as_non_root "$python $dtrace -G -s $dpath -o /dev/null"] {
    fail "$test -G -o /dev/null"
} else {
    pass "$test -G -o /dev/null"
}

verbose -log "$dtrace -G -s $dpath -o /tmp/XXX"
catch {exec $python $dtrace -G -s $dpath -o /tmp/XXX} res
if {[file exists /tmp/XXX]} then {
    pass "$test -G -o /tmp/XXX"
} else {
    fail "$test -G -o /tmp/XXX $res"
}
exec rm -f /tmp/XXX

verbose -log "$dtrace -h -s $dpath -o /tmp/XXX.h"
catch {exec $python $dtrace -h -s $dpath -o /tmp/XXX.h}
if {[file exists /tmp/XXX.h]} then {
    pass "$test -h -o /tmp/XXX.h"
} else {
    fail "$test -h -o /tmp/XXX.h"
}
exec rm -f /tmp/XXX.h

verbose -log "$dtrace -h -s $dpath -o /tmp/XXX"
catch {exec $python $dtrace -h -s $dpath -o /tmp/XXX}
if {[file exists /tmp/XXX]} then {
    pass "$test -h -o /tmp/XXX"
} else {
    fail "$test -h -o /tmp/XXX"
}
exec rm -f /tmp/XXX

verbose -log "$dtrace -G -s $dpath"
catch {exec $python $dtrace -G -s $dpath}
if {[file exists dtrace-test.o]} then {
    pass "$test -G"
} else {
    fail "$test -G"
}
exec rm -f test.o

verbose -log "$dtrace -h -s $dpath"
catch {exec $python $dtrace -h -s $dpath}
if {[file exists dtrace-test.h]} then {
    pass "$test -h"
} else {
    fail "$test -h"
}
exec rm -f test.o

set ok 0
verbose -log "CFLAGS=\"MYCFLAGS\" CC=echo $dtrace -G -s $dpath"
spawn env CFLAGS=MYCFLAGS CC=echo $python $dtrace -G -s $dpath
expect {
    -re {-g MYCFLAGS} {incr ok}
}
catch {close}; catch {wait}
if { $ok != 0} {
    pass "$test CFLAGS= CC="
} else {
    fail "$test CFLAGS= CC="
}

# -----------------------------------------------------------------
# test -h header file creation

set ok 0
verbose -log "$dtrace -C -h -s $dpath -o dtrace-XXX.h"
catch {exec $python $dtrace -C -h -s $dpath -o dtrace-XXX.h}
spawn cat dtrace-XXX.h
expect {
    "short arg1, int arg2, int arg3, int arg4" {incr ok}
}
catch {close}; catch {wait}
if { $ok != 0} {
    pass "$test -C -h -o dtrace-XXX.h"
} else {
    fail "$test -C -h -o dtrace-XXX.h"
}
exec rm -f dtrace-XXX.h

set ok 0
verbose -log "$dtrace -C -I$incpath -h -s $idpath -o XXX.h"
catch {exec $python $dtrace -C -I$incpath -h -s $idpath -o dtrace-XXX.h}
spawn cat dtrace-XXX.h
expect {
    -re {DTRACE_PROBE \(tstsyscall, test0\)} {incr ok; exp_continue}
    -re {short arg1, int arg2, int arg3, int arg4} {incr ok; exp_continue}
    -re {DTRACE_PROBE. \(tstsyscall, test., arg1, arg2, arg3, arg4, arg5\)} {incr ok}
    eof { }
}
catch {close}; catch {wait}
if { $ok == 4} {
    pass "$test -C -Iincpath -h -o dtrace-XXX.h"
} else {
    fail "$test -C -Iincpath -h -o dtrace-XXX.h $ok"
}
exec rm -f dtrace-XXX.h


# -----------------------------------------------------------------
# test --no-pyparsing

set ok 0
verbose -log "$dtrace -C --no-pyparsing -I$incpath -h -s $idpath -o dtrace-XXX.h"
catch {exec $python $dtrace -C --no-pyparsing -I$incpath -h -s $idpath -o dtrace-XXX.h}
spawn cat dtrace-XXX.h
expect {
    -re {DTRACE_PROBE \(tstsyscall, test0\)} {incr ok; exp_continue}
    -re {short arg1, int arg2, int arg3, int arg4} {incr ok; exp_continue}
    -re {DTRACE_PROBE. \(tstsyscall, test., arg1, arg2, arg3, arg4, arg5\)} {incr ok}
    eof { }
}
catch {close}; catch {wait}
if { $ok == 4} {
    pass "$test -C --no-pyparsing -Iincpath -h -o dtrace-XXX.h"
} else {
    fail "$test -C --no-pyparsing -Iincpath -h -o dtrace-XXX.h $ok"
}
exec rm -f dtrace-XXX.h

# -----------------------------------------------------------------
# test fallback to --no-pyparsing

if {[catch {exec $python -c "import pyparsing"} res]} then {
    untested "$test parser check"
} else {
    set ok 0
    verbose -log "$dtrace -C -DDCL_AFTER_PROVIDER -h -s $pypath -o dtrace-XXX.h"
    spawn $python $dtrace -C -DDCL_AFTER_PROVIDER -h -s $pypath -o dtrace-XXX.h
    expect {
        -re {Warning.*syntax error} {incr ok; exp_continue}
        -re {Warning.*--no-pyparsing} {incr ok; exp_continue}
        eof { }
    }
    catch {close}; catch {wait}
    if {[file exists dtrace-XXX.h]} then {
        incr ok;
    }
    if { $ok == 3} {
        pass "$test parser check"
    } else {
        fail "$test parser check $ok"
    }
    exec rm -f dtrace-XXX.h
}
# -----------------------------------------------------------------
# test -G object file creation

verbose -log "$dtrace -I$incpath -G -s $idpath"
catch {exec $python $dtrace -G -s $dpath}
if {[file exists dtrace-test.o]} then {
    pass "$test -Iincpath -G"
} else {
    fail "$test -Iincpath -G"
}
exec rm -f test.o

# -----------------------------------------------------------------
# test dtrace for pyparsing / --no-pyparsing compatibility

set ok 0
set dfiles {dtrace}
foreach i $dfiles {
    verbose -log "$dtrace $srcdir/$subdir/$i.d"
    catch {exec $python $dtrace -C -h -s $srcdir/$subdir/$i.d -o $i-1.h}
    catch {exec $python $dtrace -C -h --no-pyparsing -s $srcdir/$subdir/$i.d -o $i-2.h}
    spawn diff -wqs $i-1.h $i-2.h
    expect {
	-re {Files.*identical} {incr ok; exp_continue}
	eof { }
    }
    catch {close}; catch {wait}
    catch {exec $python $dtrace -C -G -s $srcdir/$subdir/$i.d -o $i-1.o}
    catch {exec $python $dtrace -C -G --no-pyparsing -s $srcdir/$subdir/$i.d -o $i-2.o}
    verbose -log "exec nm $i-1.o > $i-1.od"
    catch {exec nm $i-1.o > $i-1.od}
    catch {exec nm $i-2.o > $i-2.od}
    spawn diff -qs $i-1.od $i-2.od
    expect {
	-re {Files.*identical} {incr ok; exp_continue}
	eof { }
    }
    catch {close}; catch {wait}
    catch {exec /bin/rm $i-1.h $i-2.h $i-1.o $i-2.o}
}
if { $ok == 2} {
    pass "$test known uses"
} else {
    fail "$test known uses ${ok}"
}

# -----------------------------------------------------------------
verbose -log "$dtrace -x IGNORED -h -s $dpath"
catch {exec $python $dtrace -x IGNORED -h -s $dpath}
if {[file exists dtrace-test.h]} then {
    pass "$test -x IGNORED"
} else {
    fail "$test -x IGNORED"
}
exec rm -f test.o


# -----------------------------------------------------------------

}
# iteration over python*