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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libmudflap/] [testsuite/] [lib/] [mfdg.exp] - Blame information for rev 14

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1 14 jlechner
# `mfdg' - overrides parts of general purpose testcase driver.
2
# Copyright (C) 1994 - 2001, 2003 Free Software Foundation, Inc.
3
 
4
# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
6
# the Free Software Foundation; either version 2 of the License, or
7
# (at your option) any later version.
8
#
9
# This program is distributed in the hope that it will be useful,
10
# but WITHOUT ANY WARRANTY; without even the implied warranty of
11
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12
# GNU General Public License for more details.
13
#
14
# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17
 
18
 
19
# This is a modified excerpt of dejagnu/lib/dg.exp.
20
 
21
load_lib dg.exp
22
 
23
 
24
# dg-test -- runs a new style DejaGnu test
25
#
26
# Syntax: dg-test [-keep-output] prog tool_flags default_extra_tool_flags
27
#
28
# PROG is the full path name of the file to pass to the tool (eg: compiler).
29
# TOOL_FLAGS is a set of options to always pass.
30
# DEFAULT_EXTRA_TOOL_FLAGS are additional options if the testcase has none.
31
 
32
#proc dg-test { prog tool_flags default_extra_tool_flags } {
33
proc dg-test { args } {
34
    global dg-do-what-default dg-interpreter-batch-mode dg-linenum-format
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    global errorCode errorInfo
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    global tool
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    global srcdir               ;# eg: /calvin/dje/build/gcc/./testsuite/
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    global host_triplet target_triplet
39
 
40
    set keep 0
41
    set i 0
42
    set dg-repetitions 1 ;# may be overridden by { dg-repetitions N }
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    global dg-timeout
44
    set dg-timeout 0 ;# likewise by { dg-timeout N }
45
 
46
    if { [string index [lindex $args 0] 0] == "-" } {
47
        for { set i 0 } { $i < [llength $args] } { incr i } {
48
            if { [lindex $args $i] == "--" } {
49
                incr i
50
                break
51
            } elseif { [lindex $args $i] == "-keep-output" } {
52
                set keep 1
53
            } elseif { [string index [lindex $args $i] 0] == "-" } {
54
                clone_output "ERROR: dg-test: illegal argument: [lindex $args $i]"
55
                return
56
            } else {
57
                break
58
            }
59
        }
60
    }
61
 
62
    if { $i + 3 != [llength $args] } {
63
        clone_output "ERROR: dg-test: missing arguments in call"
64
        return
65
    }
66
    set prog [lindex $args $i]
67
    set tool_flags [lindex $args [expr $i + 1]]
68
    set default_extra_tool_flags [lindex $args [expr $i + 2]]
69
 
70
    set text "\[- A-Za-z0-9\.\;\"\_\:\'\`\(\)\!\#\=\+\?\&\*]*"
71
 
72
    set name [dg-trim-dirname $srcdir $prog]
73
    # If we couldn't rip $srcdir out of `prog' then just do the best we can.
74
    # The point is to reduce the unnecessary noise in the logs.  Don't strip
75
    # out too much because different testcases with the same name can confuse
76
    # `test-tool'.
77
    if [string match "/*" $name] {
78
        set name "[file tail [file dirname $prog]]/[file tail $prog]"
79
    }
80
 
81
    if {$tool_flags != ""} {
82
        append name " ($tool_flags)"
83
    }
84
 
85
    # Process any embedded dg options in the testcase.
86
 
87
    # Use "" for the second element of dg-do-what so we can tell if it's been
88
    # explicitly set to "S".
89
    set dg-do-what [list ${dg-do-what-default} "" P]
90
    set dg-excess-errors-flag 0
91
    set dg-messages ""
92
    set dg-extra-tool-flags $default_extra_tool_flags
93
    set dg-final-code ""
94
 
95
    # `dg-output-text' is a list of two elements: pass/fail and text.
96
    # Leave second element off for now (indicates "don't perform test")
97
    set dg-output-text "P"
98
 
99
    # Define our own "special function" `unknown' so we catch spelling errors.
100
    # But first rename the existing one so we can restore it afterwards.
101
    catch {rename dg-save-unknown ""}
102
    rename unknown dg-save-unknown
103
    proc unknown { args } {
104
        return -code error "unknown dg option: $args"
105
    }
106
 
107
    set tmp [dg-get-options $prog]
108
    foreach op $tmp {
109
        verbose "Processing option: $op" 3
110
        set status [catch "$op" errmsg]
111
        if { $status != 0 } {
112
            if { 0 && [info exists errorInfo] } {
113
                # This also prints a backtrace which will just confuse
114
                # testcase writers, so it's disabled.
115
                perror "$name: $errorInfo\n"
116
            } else {
117
                perror "$name: $errmsg for \"$op\"\n"
118
            }
119
            # ??? The call to unresolved here is necessary to clear `errcnt'.
120
            # What we really need is a proc like perror that doesn't set errcnt.
121
            # It should also set exit_status to 1.
122
            unresolved "$name: $errmsg for \"$op\""
123
            return
124
        }
125
    }
126
 
127
    # Restore normal error handling.
128
    rename unknown ""
129
    rename dg-save-unknown unknown
130
 
131
    # If we're not supposed to try this test on this target, we're done.
132
    if { [lindex ${dg-do-what} 1] == "N" } {
133
        unsupported "$name"
134
        verbose "$name not supported on this target, skipping it" 3
135
        return
136
    }
137
 
138
    # Run the tool and analyze the results.
139
    # The result of ${tool}-dg-test is in a bit of flux.
140
    # Currently it is the name of the output file (or "" if none).
141
    # If we need more than this it will grow into a list of things.
142
    # No intention is made (at this point) to preserve upward compatibility
143
    # (though at some point we'll have to).
144
 
145
    set results [${tool}-dg-test $prog [lindex ${dg-do-what} 0] "$tool_flags ${dg-extra-tool-flags}"];
146
 
147
    set comp_output [lindex $results 0];
148
    set output_file [lindex $results 1];
149
 
150
    #send_user "\nold_dejagnu.exp: comp_output1 = :$comp_output:\n\n"
151
    #send_user "\nold_dejagnu.exp: message = :$message:\n\n"
152
    #send_user "\nold_dejagnu.exp: message length = [llength $message]\n\n"
153
 
154
    foreach i ${dg-messages} {
155
        verbose "Scanning for message: $i" 4
156
 
157
        # Remove all error messages for the line [lindex $i 0]
158
        # in the source file.  If we find any, success!
159
        set line [lindex $i 0]
160
        set pattern [lindex $i 2]
161
        set comment [lindex $i 3]
162
        #send_user "Before:\n$comp_output\n"
163
        if [regsub -all "(^|\n)(\[^\n\]+$line\[^\n\]*($pattern)\[^\n\]*\n?)+" $comp_output "\n" comp_output] {
164
            set comp_output [string trimleft $comp_output]
165
            set ok pass
166
            set uhoh fail
167
        } else {
168
            set ok fail
169
            set uhoh pass
170
        }
171
        #send_user "After:\n$comp_output\n"
172
 
173
        # $line will either be a formatted line number or a number all by
174
        # itself.  Delete the formatting.
175
        scan $line ${dg-linenum-format} line
176
        switch [lindex $i 1] {
177
            "ERROR" {
178
                $ok "$name $comment (test for errors, line $line)"
179
            }
180
            "XERROR" {
181
                x$ok "$name $comment (test for errors, line $line)"
182
            }
183
            "WARNING" {
184
                $ok "$name $comment (test for warnings, line $line)"
185
            }
186
            "XWARNING" {
187
                x$ok "$name $comment (test for warnings, line $line)"
188
            }
189
            "BOGUS" {
190
                $uhoh "$name $comment (test for bogus messages, line $line)"
191
            }
192
            "XBOGUS" {
193
                x$uhoh "$name $comment (test for bogus messages, line $line)"
194
            }
195
            "BUILD" {
196
                $uhoh "$name $comment (test for build failure, line $line)"
197
            }
198
            "XBUILD" {
199
                x$uhoh "$name $comment (test for build failure, line $line)"
200
            }
201
            "EXEC" { }
202
            "XEXEC" { }
203
        }
204
        #send_user "\nold_dejagnu.exp: comp_output2= :$comp_output:\n\n"
205
    }
206
    #send_user "\nold_dejagnu.exp: comp_output3 = :$comp_output:\n\n"
207
 
208
    # Remove messages from the tool that we can ignore.
209
    #send_user "comp_output: $comp_output\n"
210
    set comp_output [prune_warnings $comp_output]
211
 
212
    if { [info proc ${tool}-dg-prune] != "" } {
213
        set comp_output [${tool}-dg-prune $target_triplet $comp_output]
214
        switch -glob $comp_output {
215
            "::untested::*" {
216
                regsub "::untested::" $comp_output "" message
217
                untested "$name: $message"
218
                return
219
            }
220
            "::unresolved::*" {
221
                regsub "::unresolved::" $comp_output "" message
222
                unresolved "$name: $message"
223
                return
224
            }
225
            "::unsupported::*" {
226
                regsub "::unsupported::" $comp_output "" message
227
                unsupported "$name: $message"
228
                return
229
            }
230
        }
231
    }
232
 
233
    # See if someone forgot to delete the extra lines.
234
    regsub -all "\n+" $comp_output "\n" comp_output
235
    regsub "^\n+" $comp_output "" comp_output
236
    #send_user "comp_output: $comp_output\n"
237
 
238
    # Don't do this if we're testing an interpreter.
239
    # FIXME: why?
240
    if { ${dg-interpreter-batch-mode} == 0 } {
241
        # Catch excess errors (new bugs or incomplete testcases).
242
        if ${dg-excess-errors-flag} {
243
            setup_xfail "*-*-*"
244
        }
245
        if ![string match "" $comp_output] {
246
            fail "$name (test for excess errors)"
247
            send_log "Excess errors:\n$comp_output\n"
248
        } else {
249
            pass "$name (test for excess errors)"
250
        }
251
    }
252
 
253
    # Run the executable image if asked to do so.
254
    # FIXME: This is the only place where we assume a standard meaning to
255
    # the `keyword' argument of dg-do.  This could be cleaned up.
256
    if { [lindex ${dg-do-what} 0] == "run" } {
257
        if ![file exists $output_file] {
258
            warning "$name compilation failed to produce executable"
259
        } else {
260
            set testname $name
261
            for {set rep 0} {$rep < ${dg-repetitions}} {incr rep} {
262
                # include repetition number in test name
263
                if {$rep > 0} { set name "$testname (rerun $rep)" }
264
 
265
                set status -1
266
                set result [${tool}_load $output_file]
267
                set status [lindex $result 0];
268
                set output [lindex $result 1];
269
                #send_user "After exec, status: $status\n"
270
 
271
                if { "$status" == "pass" } {
272
                    verbose "Exec succeeded." 3
273
                } elseif { "$status" == "fail" } {
274
                    # It would be nice to get some info out of errorCode.
275
                    if [info exists errorCode] {
276
                        verbose "Exec failed, errorCode: $errorCode" 3
277
                    } else {
278
                        verbose "Exec failed, errorCode not defined!" 3
279
                    }
280
                }
281
 
282
                if { [lindex ${dg-do-what} 2] == "F" } {
283
                    # Instead of modelling this as an xfail (via setup_xfail),
284
                    # treat an expected crash as a success.
285
                    if { $status == "pass" } then { set status fail } else { set status pass }
286
                    set testtype "crash"
287
                } else { set testtype "execution" }
288
 
289
                $status "$name $testtype test"
290
 
291
                if { [llength ${dg-output-text}] > 1 } {
292
                    #send_user "${dg-output-text}\n"
293
                    if { [lindex ${dg-output-text} 0] == "F" } {
294
                        setup_xfail "*-*-*"
295
                    }
296
                    set texttmp [lindex ${dg-output-text} 1]
297
                    if { ![regexp $texttmp ${output}] } {
298
                        fail "$name output pattern test"
299
                    } else {
300
                        pass "$name output pattern test"
301
                    }
302
                    verbose -log "Output pattern $texttmp"
303
                    unset texttmp
304
                }
305
            }
306
        }
307
    }
308
 
309
    # Are there any further tests to perform?
310
    # Note that if the program has special run-time requirements, running
311
    # of the program can be delayed until here.  Ditto for other situations.
312
    # It would be a bit cumbersome though.
313
 
314
    if ![string match ${dg-final-code} ""] {
315
        regsub -all "\\\\(\[{}\])" ${dg-final-code} "\\1" dg-final-code
316
        # Note that the use of `args' here makes this a varargs proc.
317
        proc dg-final-proc { args } ${dg-final-code}
318
        verbose "Running dg-final tests." 3
319
        verbose "dg-final-proc:\n[info body dg-final-proc]" 4
320
        if [catch "dg-final-proc $prog" errmsg] {
321
            perror "$name: error executing dg-final: $errmsg"
322
            # ??? The call to unresolved here is necessary to clear `errcnt'.
323
            # What we really need is a proc like perror that doesn't set errcnt.
324
            # It should also set exit_status to 1.
325
            unresolved "$name: error executing dg-final: $errmsg"
326
        }
327
    }
328
 
329
    # Do some final clean up.
330
    # When testing an interpreter, we don't compile something and leave an
331
    # output file.
332
    if { ! ${keep} && ${dg-interpreter-batch-mode} == 0 } {
333
        catch "exec rm -f $output_file"
334
    }
335
}
336
 
337
 
338
 
339
#
340
# Indicate that this test case is to be rerun several times.  This
341
# is useful if it is nondeterministic.  This applies to rerunning the
342
# test program only, not rebuilding it.
343
# The embedded format is "{ dg-repetitions N }", where N is the number
344
# of repetitions.  It better be greater than zero.
345
#
346
proc dg-repetitions { line value } {
347
    upvar dg-repetitions repetitions
348
    set repetitions $value
349
}
350
 
351
 
352
#
353
# Indicate that this test case is to be run with a short timeout.
354
# The embedded format is "{ dg-timeout N }", where N is in seconds.
355
#
356
proc dg-timeout { line value } {
357
    global dg-timeout
358
    set dg-timeout $value
359
}
360
 
361
 
362
# dejagnu's config/unix.exp hard-codes 300 seconds as the timeout
363
# for any natively run executable.  That's too long for tests run
364
# multiple times and that may possibly hang.  So we override it here
365
# to provide some degree of control.
366
rename standard_wait hooked_standard_wait
367
proc standard_wait { dest timeout } {
368
    global dg-timeout
369
    if {[info exists dg-timeout]} {
370
        if {${dg-timeout} > 0} {
371
            verbose -log "Overriding timeout = ${dg-timeout}"
372
            set timeout ${dg-timeout}
373
        }
374
    }
375
 
376
    hooked_standard_wait $dest $timeout
377
}

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