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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [libmudflap/] [testsuite/] [lib/] [mfdg.exp] - Rev 154
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# `mfdg' - overrides parts of general purpose testcase driver.
# Copyright (C) 1994 - 2001, 2003 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# 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 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 }
global dg-timeout
set dg-timeout 0 ;# likewise by { dg-timeout N }
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 ""
# `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
}
#
# Indicate that this test case is to be run with a short timeout.
# The embedded format is "{ dg-timeout N }", where N is in seconds.
#
proc dg-timeout { line value } {
global dg-timeout
set dg-timeout $value
}
# dejagnu's config/unix.exp hard-codes 300 seconds as the timeout
# for any natively run executable. That's too long for tests run
# multiple times and that may possibly hang. So we override it here
# to provide some degree of control.
rename standard_wait hooked_standard_wait
proc standard_wait { dest timeout } {
global dg-timeout
if {[info exists dg-timeout]} {
if {${dg-timeout} > 0} {
verbose -log "Overriding timeout = ${dg-timeout}"
set timeout ${dg-timeout}
}
}
hooked_standard_wait $dest $timeout
}