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#!/bin/bash -eu
#
# Script to reproduce a test failure from a dejagnu .log file.
#
# Contributed by Diego Novillo <dnovillo@google.com>
#
# Copyright (C) 2011 Free Software Foundation, Inc.
#
# This file is part of GCC.
#
# GCC 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, or (at your option)
# any later version.
#
# GCC 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 COPYING. If not, write to
# the Free Software Foundation, 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
# This script will search a line starting with 'spawn' that includes the
# pattern you are looking for (typically a source file name).
#
# Once it finds that pattern, it re-executes the whole command
# in the spawn line. If the pattern matches more than one spawn
# command, it asks which one you want.
if [ $# -lt 2 ] ; then
echo "usage: $0 [--debug|--debug-tui] pattern file.log [additional-args]"
echo
echo "Finds the 'spawn' line matching PATTERN in FILE.LOG and executes"
echo "the command with any arguments in ADDITIONAL-ARGS."
echo
echo "If --debug is used, the compiler is invoked with -wrapper gdb,--args"
echo "If --debug-tui is used, the compiler is invoked with -wrapper "\
"gdb,--tui,--args"
exit 1
fi
if [ "$1" == "--debug" ] ; then
debug_args="-wrapper gdb,--args"
shift
elif [ "$1" == "--debug-tui" ] ; then
debug_args="-wrapper gdb,--tui,--args"
shift
else
debug_args=""
fi
pattern="$1"
logf="$2"
shift 2
# Find the commands in LOGF that reference PATTERN.
lines=$(grep -E "^spawn .*$pattern" $logf | sed -e 's/^spawn //')
if [ -z "$lines" ] ; then
echo "Could not find a spawn command for pattern $pattern"
exit 1
fi
# Collect all the command lines into the COMMANDS array.
old_IFS="$IFS"
IFS="
"
num_lines=0
for line in $lines ; do
num_lines=$[$num_lines + 1]
echo "[$num_lines] $line"
commands[$num_lines]=$line
done
# If we found more than one line for PATTERN, ask which one we should run.
cmds_to_run='0'
if [ $num_lines -gt 1 ] ; then
echo
echo
echo -n "Enter the list of commands to run or '0' to run them all: "
read cmds_to_run
fi
if [ "$cmds_to_run" = "0" ] ; then
cmds_to_run=$(seq 1 $num_lines)
fi
IFS="$old_IFS"
# Finally, execute all the commands we were told to execute.
for cmd_num in $cmds_to_run ; do
cmd=${commands[$cmd_num]}
set -x +e
$cmd $debug_args "$@"
set +x -e
done
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