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# Copyright (C) 2000, 2002, 2003, 2005, 2007, 2008

# 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 GCC; see the file COPYING3.  If not see

# .

# Various utilities for scanning dump output, used by gcc-dg.exp and

# g++-dg.exp.

#

# This is largely borrowed from scanasm.exp.

# Extract the constant part of the dump file suffix from the regexp.

# Argument 0 is the regular expression.

proc dump-suffix { arg } {

    set idx [expr [string last "." $arg] + 1]

    return [string range $arg $idx end]

}

# Utility for scanning compiler result, invoked via dg-final.

# Call pass if pattern is present, otherwise fail.

#

# Argument 0 is the type of dump we are searching (rtl, tree, ipa)

# Argument 1 is the regexp to match.

# Argument 2 is the suffix for the dump file

# Argument 3 handles expected failures and the like

proc scan-dump { args } {

    if { [llength $args] >= 4 } {

        switch [dg-process-target [lindex $args 3]] {

            "S" { }

            "N" { return }

            "F" { setup_xfail "*-*-*" }

            "P" { }

        }

    }

    # This assumes that we are three frames down from dg-test, and that

    # it still stores the filename of the testcase in a local variable "name".

    # A cleaner solution would require a new DejaGnu release.

    upvar 3 name testcase

    set suf [dump-suffix [lindex $args 2]]

    set testname "$testcase scan-[lindex $args 0]-dump $suf \"[lindex $args 1]\""

    set src [file tail [lindex $testcase 0]]

    set output_file "[glob -nocomplain $src.[lindex $args 2]]"

    if { $output_file == "" } {

        fail "$testname: dump file does not exist"

        return

    }

    set fd [open $output_file r]

    set text [read $fd]

    close $fd

    if [regexp -- [lindex $args 1] $text] {

        pass "$testname"

    } else {

        fail "$testname"

    }

}

# Call pass if pattern is present given number of times, otherwise fail.

# Argument 0 is the type of dump we are searching (rtl, tree, ipa)

# Argument 1 is the regexp to match.

# Argument 2 is number of times the regexp must be found

# Argument 3 is the suffix for the dump file

# Argument 4 handles expected failures and the like

proc scan-dump-times { args } {

    if { [llength $args] >= 5 } {

        switch [dg-process-target [lindex $args 4]] {

            "S" { }

            "N" { return }

            "F" { setup_xfail "*-*-*" }

            "P" { }

        }

    }

    # This assumes that we are three frames down from dg-test, and that

    # it still stores the filename of the testcase in a local variable "name".

    # A cleaner solution would require a new DejaGnu release.

    upvar 3 name testcase

    set suf [dump-suffix [lindex $args 3]]

    set testname "$testcase scan-[lindex $args 0]-dump-times $suf \"[lindex $args 1]\" [lindex $args 2]"

    set src [file tail [lindex $testcase 0]]

    set output_file "[glob -nocomplain $src.[lindex $args 3]]"

    if { $output_file == "" } {

        fail "$testname: dump file does not exist"

        return

    }

    set fd [open $output_file r]

    set text [read $fd]

    close $fd

    if { [llength [regexp -inline -all -- [lindex $args 1] $text]] == [lindex $args 2]} {

        pass "$testname"

    } else {

        fail "$testname"

    }

}

# Call pass if pattern is not present, otherwise fail.

#

# Argument 0 is the type of dump we are searching (rtl, tree, ipa)

# Argument 1 is the regexp to match.

# Argument 2 is the suffix for the dump file

# Argument 3 handles expected failures and the like

proc scan-dump-not { args } {

    if { [llength $args] >= 4 } {

        switch [dg-process-target [lindex $args 3]] {

            "S" { }

            "N" { return }

            "F" { setup_xfail "*-*-*" }

            "P" { }

        }

    }

    # This assumes that we are three frames down from dg-test, and that

    # it still stores the filename of the testcase in a local variable "name".

    # A cleaner solution would require a new DejaGnu release.

    upvar 3 name testcase

    set suf [dump-suffix [lindex $args 2]]

    set testname "$testcase scan-[lindex $args 0]-dump-not $suf \"[lindex $args 1]\""

    set src [file tail [lindex $testcase 0]]

    set output_file "[glob -nocomplain $src.[lindex $args 2]]"

    if { $output_file == "" } {

        fail "$testname: dump file does not exist"

        return

    }

    set fd [open $output_file r]

    set text [read $fd]

    close $fd

    if ![regexp -- [lindex $args 1] $text] {

        pass "$testname"

    } else {

        fail "$testname"

    }

}

# Utility for scanning demangled compiler result, invoked via dg-final.

# Call pass if pattern is present, otherwise fail.

#

# Argument 0 is the type of dump we are searching (rtl, tree, ipa)

# Argument 1 is the regexp to match.

# Argument 2 is the suffix for the dump file

# Argument 3 handles expected failures and the like

proc scan-dump-dem { args } {

    global cxxfilt

    global base_dir

    if { [llength $args] >= 4 } {

        switch [dg-process-target [lindex $args 3]] {

            "S" { }

            "N" { return }

            "F" { setup_xfail "*-*-*" }

            "P" { }

        }

    }

    # Find c++filt like we find g++ in g++.exp.

    if ![info exists cxxfilt]  {

        set cxxfilt [findfile $base_dir/../../../binutils/cxxfilt \

                     $base_dir/../../../binutils/cxxfilt \

                     [findfile $base_dir/../../c++filt $base_dir/../../c++filt \

                      [findfile $base_dir/c++filt $base_dir/c++filt \

                       [transform c++filt]]]]

        verbose -log "c++filt is $cxxfilt"

    }

    upvar 3 name testcase

    set suf [dump-suffix [lindex $args 2]]

    set testname "$testcase scan-[lindex $args 0]-dump-dem $suf \"[lindex $args 1]\""

    set src [file tail [lindex $testcase 0]]

    set output_file "[glob -nocomplain $src.[lindex $args 2]]"

    if { $output_file == "" } {

        fail "$testname: dump file does not exist"

        return

    }

    set fd [open "| $cxxfilt < $output_file" r]

    set text [read $fd]

    close $fd

    if [regexp -- [lindex $args 1] $text] {

        pass "$testname"

    } else {

        fail "$testname"

    }

}

# Call pass if demangled pattern is not present, otherwise fail.

#

# Argument 0 is the type of dump we are searching (rtl, tree, ipa)

# Argument 1 is the regexp to match.

# Argument 2 is the suffix for the dump file

# Argument 3 handles expected failures and the like

proc scan-dump-dem-not { args } {

    global cxxfilt

    global base_dir

    if { [llength $args] >= 4 } {

        switch [dg-process-target [lindex $args 3]] {

            "S" { }

            "N" { return }

            "F" { setup_xfail "*-*-*" }

            "P" { }

        }

    }

    # Find c++filt like we find g++ in g++.exp.

    if ![info exists cxxfilt]  {

        set cxxfilt [findfile $base_dir/../../../binutils/cxxfilt \

                     $base_dir/../../../binutils/cxxfilt \

                     [findfile $base_dir/../../c++filt $base_dir/../../c++filt \

                      [findfile $base_dir/c++filt $base_dir/c++filt \

                       [transform c++filt]]]]

        verbose -log "c++filt is $cxxfilt"

    }

    upvar 3 name testcase

    set suf [dump-suffix [lindex $args 2]]

    set testname "$testcase scan-[lindex $args 0]-dump-dem-not $suf \"[lindex $args 1]\""

    set src [file tail [lindex $testcase 0]]

    set output_file "[glob -nocomplain $src.[lindex $args 2]]"

    if { $output_file == "" } {

        fail "$testname: dump file does not exist"

        return

    }

    set fd [open "| $cxxfilt < $output_file" r]

    set text [read $fd]

    close $fd

    if ![regexp -- [lindex $args 1] $text] {

        pass "$testname"

    } else {

        fail "$testname"

    }

}