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-rw-r--r--libmudflap/testsuite/lib/libmudflap.exp306
-rw-r--r--libmudflap/testsuite/lib/mfdg.exp365
2 files changed, 671 insertions, 0 deletions
diff --git a/libmudflap/testsuite/lib/libmudflap.exp b/libmudflap/testsuite/lib/libmudflap.exp
new file mode 100644
index 000000000..a09eb959a
--- /dev/null
+++ b/libmudflap/testsuite/lib/libmudflap.exp
@@ -0,0 +1,306 @@
+# Copyright (C) 2001, 2002, 2003, 2004, 2009, 2010
+# 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 3 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; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
+
+# Define libmudflap callbacks for dg.exp.
+# This file is a copy of libstdc++-v3's dejagnu driver, with minor changes.
+
+# Useful hook: if ${hostname}_init exists, it will be called, almost
+# the last thing before testing begins. This can be defined in, e.g.,
+# ~/.dejagnurc or $DEJAGNU.
+
+proc load_gcc_lib { filename } {
+ global srcdir
+ load_file $srcdir/../../gcc/testsuite/lib/$filename
+}
+
+load_lib mfdg.exp
+load_lib libgloss.exp
+load_gcc_lib target-libpath.exp
+load_gcc_lib timeout.exp
+load_gcc_lib timeout-dg.exp
+
+proc libmudflap-init { language } {
+ global env
+ global srcdir outdir blddir objdir tool_root_dir
+ global cxx cxxflags
+ global includes
+ global libs
+ global gluefile wrap_flags
+ global ld_library_path
+
+ switch $language {
+ "c" { set cxx [find_gcc] }
+ "c++" { set cxx [find_g++] }
+ default { error "bad language code $language"; return }
+ }
+
+ verbose -log "libmudflap-init $cxx"
+
+ set blddir [lookfor_file [get_multilibs] libmudflap]
+ set cxxblddir [lookfor_file [get_multilibs] libstdc++-v3]
+ set cxxflags_file "${cxxblddir}/scripts/testsuite_flags"
+
+ # By default, we assume we want to run program images.
+ global dg-do-what-default
+ set dg-do-what-default run
+
+ # set LD_LIBRARY_PATH so that libgcc_s, libstdc++ binaries can be found.
+ # locate libgcc.a so we don't need to account for different values of
+ # SHLIB_EXT on different platforms
+ set gccdir [lookfor_file $tool_root_dir gcc/libgcc.a]
+ if {$gccdir != ""} {
+ set gccdir [file dirname $gccdir]
+ }
+
+ set ld_library_path "."
+ append ld_library_path ":${gccdir}"
+ append ld_library_path ":${cxxblddir}/src/.libs"
+ if {[is_remote host] == 0} {
+ foreach i "[exec ${gccdir}/xgcc --print-multi-lib]" {
+ set mldir ""
+ regexp -- "\[a-z0-9=_/\.-\]*;" $i mldir
+ set mldir [string trimright $mldir "\;@"]
+ if { "$mldir" == "." } {
+ continue
+ }
+ if { [llength [glob -nocomplain ${gccdir}/${mldir}/libgcc_s*.so.*]] >= 1 } {
+ append ld_library_path ":${gccdir}/${mldir}"
+ }
+ }
+ }
+ append ld_library_path ":${blddir}/.libs"
+
+ set libs "-L${blddir}/.libs"
+ set cxxflags "-ggdb3 -DDEBUG_ASSERT"
+ set includes "-I${srcdir} -I${srcdir}/.. -I.."
+
+ if {$language == "c++"} {
+ if {[file exists $cxxflags_file]} then {
+ set includes "${includes} [exec sh $cxxflags_file --build-includes]"
+ set cxxflags "${cxxflags} [exec sh $cxxflags_file --cxxflags]"
+ # c++ libs are included by --build-cxx below
+ set cxx "[exec sh $cxxflags_file --build-cxx]"
+ } else {
+ lappend libs "-L${cxxblddir}src/.libs"
+ lappend includes "-I../../libstdc++-v3/include"
+ }
+ }
+
+ global mfconfig_libs
+ global add_flags
+ append add_flags " $mfconfig_libs"
+
+ set_ld_library_path_env_vars
+ if [info exists env(LD_LIBRARY_PATH)] {
+ verbose -log "LD_LIBRARY_PATH = $env(LD_LIBRARY_PATH)"
+ }
+
+ if { [target_info needs_status_wrapper]!=""} {
+ file delete ${objdir}/testglue.o;
+ set gluefile ${objdir}/testglue.o;
+ set result [build_wrapper $gluefile];
+ if { $result != "" } {
+ set gluefile [lindex $result 0];
+ set wrap_flags [lindex $result 1];
+ } else {
+ unset gluefile
+ }
+ }
+
+ # If there is no static library then don't run tests with -static.
+ global tool
+ set opts "additional_flags=-static"
+ lappend opts "additional_flags=-fmudflap"
+ lappend opts "additional_flags=-lmudflap"
+ set src stlm[pid].c
+ set exe stlm[pid].x
+
+ set f [open $src "w"]
+ puts $f "int main () { }"
+ close $f
+ set lines [${tool}_target_compile $src $exe executable "$opts"]
+ file delete $src
+ remote_file build delete $exe
+
+ if { ![string match "" $lines] } {
+ # Compilation failed; assume static library is not available.
+ global MUDFLAP_FLAGS
+ set i [lsearch $MUDFLAP_FLAGS "*static*"]
+ set MUDFLAP_FLAGS [lreplace $MUDFLAP_FLAGS $i $i]
+ }
+}
+
+proc libmudflap-dg-test { prog do_what extra_tool_flags } {
+ # Set up the compiler flags, based on what we're going to do.
+
+ switch $do_what {
+ "preprocess" {
+ set compile_type "preprocess"
+ set output_file "[file rootname [file tail $prog]].i"
+ }
+ "compile" {
+ set compile_type "assembly"
+ set output_file "[file rootname [file tail $prog]].s"
+ }
+ "assemble" {
+ set compile_type "object"
+ set output_file "[file rootname [file tail $prog]].o"
+ }
+ "link" {
+ set compile_type "executable"
+ set output_file "./[file rootname [file tail $prog]].exe"
+ }
+ "run" {
+ set compile_type "executable"
+ # FIXME: "./" is to cope with "." not being in $PATH.
+ # Should this be handled elsewhere?
+ # YES.
+ set output_file "./[file rootname [file tail $prog]].exe"
+ # This is the only place where we care if an executable was
+ # created or not. If it was, dg.exp will try to run it.
+ remote_file build delete $output_file;
+ }
+ default {
+ perror "$do_what: not a valid dg-do keyword"
+ return ""
+ }
+ }
+ set options ""
+ if { $extra_tool_flags != "" } {
+ lappend options "additional_flags=$extra_tool_flags"
+ }
+
+ global mfconfig_libs
+ lappend options "libs=$mfconfig_libs"
+
+ set comp_output [libmudflap_target_compile "$prog" "$output_file" "$compile_type" $options];
+
+ return [list $comp_output $output_file]
+}
+
+
+proc libmudflap_target_compile { source dest type options } {
+ global gluefile
+ global wrap_flags
+ global cxx
+ global cxxflags
+ global includes
+ global libs
+ global blddir
+
+ if { [target_info needs_status_wrapper] != "" && [info exists gluefile] } {
+ lappend options "libs=${gluefile}"
+ lappend options "ldflags=${wrap_flags}"
+ }
+
+ set cxx_final $cxx
+ set cxxlibglossflags [libgloss_link_flags]
+ set cxx_final [concat $cxx_final $cxxlibglossflags]
+ set cxx_final [concat $cxx_final $cxxflags]
+ set cxx_final [concat $cxx_final $includes]
+ set cxx_final [concat $cxx_final $libs]
+
+ lappend options "compiler=$cxx_final"
+ lappend options "timeout=[timeout_value]"
+
+ # Picks up the freshly-built testsuite library corresponding to the
+ # multilib under test.
+ lappend options "ldflags=-L${blddir}/testsuite"
+
+ return [target_compile $source $dest $type $options]
+}
+
+
+# A bit sloppy... Returns a list of source files (full pathnames) to
+# compile. We mimic the mkcheck script in that the first time this is run,
+# all existing files are listed in "testsuite_files" in the output
+# directory. Subsequent runs pull the list from that file, allowing users
+# to trim the list down to problematic tests.
+### This is supposed to be done via RUNTESTFLAGS, but that doesn't work.
+proc libmudflap-list-sourcefiles { } {
+ global srcdir
+ global outdir
+
+ set files_file "${outdir}/testsuite_files"
+ set sfiles ""
+ if { [file exists $files_file] } {
+ set f [open $files_file]
+ while { ! [eof $f] } {
+ set t [gets $f]
+ if { [string length "$t"] != 0 } {
+ lappend sfiles ${srcdir}/${t}
+ }
+ }
+ } else {
+ set f [open $files_file "w"]
+ set where_we_were [pwd]
+ cd $srcdir
+ foreach s [lsort [glob -nocomplain "*/*.cc" "*/*/*.cc" "{,*/}*/*/*/*.cc" ]] {
+ lappend sfiles ${srcdir}/${s}
+ puts $f $s
+ }
+ cd $where_we_were
+ }
+ close $f
+
+ # Disable wchar_t tests if library not configured to support
+ # wchar_t testing.
+ set wchar_file "${outdir}/testsuite_wchar_t"
+ if { [file exists $wchar_file] } {
+ return $sfiles
+ } else {
+ # Remove wchar_t tests files from list.
+ set res {}
+ foreach w $sfiles {
+ if [regexp "wchar_t" $w] {
+ verbose -log "element out list is $w"
+ } else {
+ verbose -log "element in list is $w"
+ lappend res $w
+ }
+ }
+ return $res
+ }
+}
+
+
+proc libmudflap-dg-prune { system text } {
+ global additional_prunes
+
+ set text [prune_gcc_output $text]
+
+ foreach p $additional_prunes {
+ if { [string length $p] > 0 } {
+ # Following regexp matches a complete line containing $p.
+ regsub -all "(^|\n)\[^\n\]*$p\[^\n\]*" $text "" text
+ }
+ }
+
+ return $text
+}
+
+
+proc prune_gcc_output { text } {
+ regsub -all {(^|\n)[^\n]*ld: warning: libgcc_s[^\n]*not found[^\n]*try using[^\n]*} $text "" text
+ regsub -all {(^|\n)[^\n]*In function.*pthread_create[^\n]*} $text "" text
+ regsub -all {(^|\n)[^\n]*the use of .pthread.*is deprecated[^\n]*} $text "" text
+ regsub -all {(^|\n)[^\n]*Dwarf Error:.*FORM value: 14[^\n]*} $text "" text
+ regsub -all {(^|\n)[^\n]*In function[^\n]*} $text "" text
+ regsub -all {(^|\n)[^\n]*Using.*in statically linked applications requires[^\n]*} $text "" text
+
+ return $text
+}
diff --git a/libmudflap/testsuite/lib/mfdg.exp b/libmudflap/testsuite/lib/mfdg.exp
new file mode 100644
index 000000000..9e340c0bd
--- /dev/null
+++ b/libmudflap/testsuite/lib/mfdg.exp
@@ -0,0 +1,365 @@
+# `mfdg' - overrides parts of general purpose testcase driver.
+# Copyright (C) 1994 - 2001, 2003, 2009, 2010 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 3 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; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
+
+
+# This is a modified excerpt of dejagnu/lib/dg.exp.
+
+load_lib dg.exp
+
+
+# dg-test -- runs a new style DejaGnu test
+#
+# Syntax: dg-test [-keep-output] prog tool_flags default_extra_tool_flags
+#
+# PROG is the full path name of the file to pass to the tool (eg: compiler).
+# TOOL_FLAGS is a set of options to always pass.
+# DEFAULT_EXTRA_TOOL_FLAGS are additional options if the testcase has none.
+
+#proc dg-test { prog tool_flags default_extra_tool_flags } {
+proc dg-test { args } {
+ global dg-do-what-default dg-interpreter-batch-mode dg-linenum-format
+ global errorCode errorInfo
+ global additional_prunes
+ global tool
+ global srcdir ;# eg: /calvin/dje/build/gcc/./testsuite/
+ global host_triplet target_triplet
+
+ set keep 0
+ set i 0
+ set dg-repetitions 1 ;# may be overridden by { dg-repetitions N }
+ unset_timeout_vars
+
+ if { [string index [lindex $args 0] 0] == "-" } {
+ for { set i 0 } { $i < [llength $args] } { incr i } {
+ if { [lindex $args $i] == "--" } {
+ incr i
+ break
+ } elseif { [lindex $args $i] == "-keep-output" } {
+ set keep 1
+ } elseif { [string index [lindex $args $i] 0] == "-" } {
+ clone_output "ERROR: dg-test: illegal argument: [lindex $args $i]"
+ return
+ } else {
+ break
+ }
+ }
+ }
+
+ if { $i + 3 != [llength $args] } {
+ clone_output "ERROR: dg-test: missing arguments in call"
+ return
+ }
+ set prog [lindex $args $i]
+ set tool_flags [lindex $args [expr $i + 1]]
+ set default_extra_tool_flags [lindex $args [expr $i + 2]]
+
+ set text "\[- A-Za-z0-9\.\;\"\_\:\'\`\(\)\!\#\=\+\?\&\*]*"
+
+ set name [dg-trim-dirname $srcdir $prog]
+ # If we couldn't rip $srcdir out of `prog' then just do the best we can.
+ # The point is to reduce the unnecessary noise in the logs. Don't strip
+ # out too much because different testcases with the same name can confuse
+ # `test-tool'.
+ if [string match "/*" $name] {
+ set name "[file tail [file dirname $prog]]/[file tail $prog]"
+ }
+
+ if {$tool_flags != ""} {
+ append name " ($tool_flags)"
+ }
+
+ # Process any embedded dg options in the testcase.
+
+ # Use "" for the second element of dg-do-what so we can tell if it's been
+ # explicitly set to "S".
+ set dg-do-what [list ${dg-do-what-default} "" P]
+ set dg-excess-errors-flag 0
+ set dg-messages ""
+ set dg-extra-tool-flags $default_extra_tool_flags
+ set dg-final-code ""
+
+ set additional_prunes ""
+
+ # `dg-output-text' is a list of two elements: pass/fail and text.
+ # Leave second element off for now (indicates "don't perform test")
+ set dg-output-text "P"
+
+ # Define our own "special function" `unknown' so we catch spelling errors.
+ # But first rename the existing one so we can restore it afterwards.
+ catch {rename dg-save-unknown ""}
+ rename unknown dg-save-unknown
+ proc unknown { args } {
+ return -code error "unknown dg option: $args"
+ }
+
+ set tmp [dg-get-options $prog]
+ foreach op $tmp {
+ verbose "Processing option: $op" 3
+ set status [catch "$op" errmsg]
+ if { $status != 0 } {
+ if { 0 && [info exists errorInfo] } {
+ # This also prints a backtrace which will just confuse
+ # testcase writers, so it's disabled.
+ perror "$name: $errorInfo\n"
+ } else {
+ perror "$name: $errmsg for \"$op\"\n"
+ }
+ # ??? The call to unresolved here is necessary to clear `errcnt'.
+ # What we really need is a proc like perror that doesn't set errcnt.
+ # It should also set exit_status to 1.
+ unresolved "$name: $errmsg for \"$op\""
+ return
+ }
+ }
+
+ # Restore normal error handling.
+ rename unknown ""
+ rename dg-save-unknown unknown
+
+ # If we're not supposed to try this test on this target, we're done.
+ if { [lindex ${dg-do-what} 1] == "N" } {
+ unsupported "$name"
+ verbose "$name not supported on this target, skipping it" 3
+ return
+ }
+
+ # Run the tool and analyze the results.
+ # The result of ${tool}-dg-test is in a bit of flux.
+ # Currently it is the name of the output file (or "" if none).
+ # If we need more than this it will grow into a list of things.
+ # No intention is made (at this point) to preserve upward compatibility
+ # (though at some point we'll have to).
+
+ set results [${tool}-dg-test $prog [lindex ${dg-do-what} 0] "$tool_flags ${dg-extra-tool-flags}"];
+
+ set comp_output [lindex $results 0];
+ set output_file [lindex $results 1];
+
+ #send_user "\nold_dejagnu.exp: comp_output1 = :$comp_output:\n\n"
+ #send_user "\nold_dejagnu.exp: message = :$message:\n\n"
+ #send_user "\nold_dejagnu.exp: message length = [llength $message]\n\n"
+
+ foreach i ${dg-messages} {
+ verbose "Scanning for message: $i" 4
+
+ # Remove all error messages for the line [lindex $i 0]
+ # in the source file. If we find any, success!
+ set line [lindex $i 0]
+ set pattern [lindex $i 2]
+ set comment [lindex $i 3]
+ #send_user "Before:\n$comp_output\n"
+ if [regsub -all "(^|\n)(\[^\n\]+$line\[^\n\]*($pattern)\[^\n\]*\n?)+" $comp_output "\n" comp_output] {
+ set comp_output [string trimleft $comp_output]
+ set ok pass
+ set uhoh fail
+ } else {
+ set ok fail
+ set uhoh pass
+ }
+ #send_user "After:\n$comp_output\n"
+
+ # $line will either be a formatted line number or a number all by
+ # itself. Delete the formatting.
+ scan $line ${dg-linenum-format} line
+ switch [lindex $i 1] {
+ "ERROR" {
+ $ok "$name $comment (test for errors, line $line)"
+ }
+ "XERROR" {
+ x$ok "$name $comment (test for errors, line $line)"
+ }
+ "WARNING" {
+ $ok "$name $comment (test for warnings, line $line)"
+ }
+ "XWARNING" {
+ x$ok "$name $comment (test for warnings, line $line)"
+ }
+ "BOGUS" {
+ $uhoh "$name $comment (test for bogus messages, line $line)"
+ }
+ "XBOGUS" {
+ x$uhoh "$name $comment (test for bogus messages, line $line)"
+ }
+ "BUILD" {
+ $uhoh "$name $comment (test for build failure, line $line)"
+ }
+ "XBUILD" {
+ x$uhoh "$name $comment (test for build failure, line $line)"
+ }
+ "EXEC" { }
+ "XEXEC" { }
+ }
+ #send_user "\nold_dejagnu.exp: comp_output2= :$comp_output:\n\n"
+ }
+ #send_user "\nold_dejagnu.exp: comp_output3 = :$comp_output:\n\n"
+
+ # Remove messages from the tool that we can ignore.
+ #send_user "comp_output: $comp_output\n"
+ set comp_output [prune_warnings $comp_output]
+
+ if { [info proc ${tool}-dg-prune] != "" } {
+ set comp_output [${tool}-dg-prune $target_triplet $comp_output]
+ switch -glob $comp_output {
+ "::untested::*" {
+ regsub "::untested::" $comp_output "" message
+ untested "$name: $message"
+ return
+ }
+ "::unresolved::*" {
+ regsub "::unresolved::" $comp_output "" message
+ unresolved "$name: $message"
+ return
+ }
+ "::unsupported::*" {
+ regsub "::unsupported::" $comp_output "" message
+ unsupported "$name: $message"
+ return
+ }
+ }
+ }
+
+ # See if someone forgot to delete the extra lines.
+ regsub -all "\n+" $comp_output "\n" comp_output
+ regsub "^\n+" $comp_output "" comp_output
+ #send_user "comp_output: $comp_output\n"
+
+ # Don't do this if we're testing an interpreter.
+ # FIXME: why?
+ if { ${dg-interpreter-batch-mode} == 0 } {
+ # Catch excess errors (new bugs or incomplete testcases).
+ if ${dg-excess-errors-flag} {
+ setup_xfail "*-*-*"
+ }
+ if ![string match "" $comp_output] {
+ fail "$name (test for excess errors)"
+ send_log "Excess errors:\n$comp_output\n"
+ } else {
+ pass "$name (test for excess errors)"
+ }
+ }
+
+ # Run the executable image if asked to do so.
+ # FIXME: This is the only place where we assume a standard meaning to
+ # the `keyword' argument of dg-do. This could be cleaned up.
+ if { [lindex ${dg-do-what} 0] == "run" } {
+ if ![file exists $output_file] {
+ warning "$name compilation failed to produce executable"
+ } else {
+ set testname $name
+ for {set rep 0} {$rep < ${dg-repetitions}} {incr rep} {
+ # include repetition number in test name
+ if {$rep > 0} { set name "$testname (rerun $rep)" }
+
+ set status -1
+ set result [${tool}_load $output_file]
+ set status [lindex $result 0];
+ set output [lindex $result 1];
+ #send_user "After exec, status: $status\n"
+
+ if { "$status" == "pass" } {
+ verbose "Exec succeeded." 3
+ } elseif { "$status" == "fail" } {
+ # It would be nice to get some info out of errorCode.
+ if [info exists errorCode] {
+ verbose "Exec failed, errorCode: $errorCode" 3
+ } else {
+ verbose "Exec failed, errorCode not defined!" 3
+ }
+ }
+
+ if { [lindex ${dg-do-what} 2] == "F" } {
+ # Instead of modelling this as an xfail (via setup_xfail),
+ # treat an expected crash as a success.
+ if { $status == "pass" } then { set status fail } else { set status pass }
+ set testtype "crash"
+ } else { set testtype "execution" }
+
+ $status "$name $testtype test"
+
+ if { [llength ${dg-output-text}] > 1 } {
+ #send_user "${dg-output-text}\n"
+ if { [lindex ${dg-output-text} 0] == "F" } {
+ setup_xfail "*-*-*"
+ }
+ set texttmp [lindex ${dg-output-text} 1]
+ if { ![regexp $texttmp ${output}] } {
+ fail "$name output pattern test"
+ } else {
+ pass "$name output pattern test"
+ }
+ verbose -log "Output pattern $texttmp"
+ unset texttmp
+ }
+ }
+ }
+ }
+
+ # Are there any further tests to perform?
+ # Note that if the program has special run-time requirements, running
+ # of the program can be delayed until here. Ditto for other situations.
+ # It would be a bit cumbersome though.
+
+ if ![string match ${dg-final-code} ""] {
+ regsub -all "\\\\(\[{}\])" ${dg-final-code} "\\1" dg-final-code
+ # Note that the use of `args' here makes this a varargs proc.
+ proc dg-final-proc { args } ${dg-final-code}
+ verbose "Running dg-final tests." 3
+ verbose "dg-final-proc:\n[info body dg-final-proc]" 4
+ if [catch "dg-final-proc $prog" errmsg] {
+ perror "$name: error executing dg-final: $errmsg"
+ # ??? The call to unresolved here is necessary to clear `errcnt'.
+ # What we really need is a proc like perror that doesn't set errcnt.
+ # It should also set exit_status to 1.
+ unresolved "$name: error executing dg-final: $errmsg"
+ }
+ }
+
+ # Do some final clean up.
+ # When testing an interpreter, we don't compile something and leave an
+ # output file.
+ if { ! ${keep} && ${dg-interpreter-batch-mode} == 0 } {
+ catch "exec rm -f $output_file"
+ }
+}
+
+
+#
+# Indicate that this test case is to be rerun several times. This
+# is useful if it is nondeterministic. This applies to rerunning the
+# test program only, not rebuilding it.
+# The embedded format is "{ dg-repetitions N }", where N is the number
+# of repetitions. It better be greater than zero.
+#
+proc dg-repetitions { line value } {
+ upvar dg-repetitions repetitions
+ set repetitions $value
+}
+
+
+# Prune any messages matching ARGS[1] (a regexp) from test output.
+proc dg-prune-output { args } {
+ global additional_prunes
+
+ if { [llength $args] != 2 } {
+ error "[lindex $args 1]: need one argument"
+ return
+ }
+
+ lappend additional_prunes [lindex $args 1]
+}
+
+set additional_prunes ""