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      1 #!/bin/sh -efu
      2 #
      3 # Copyright (c) 2017 Dmitry V. Levin <ldv (at] altlinux.org>
      4 # Copyright (c) 2017-2018 The strace developers.
      5 # All rights reserved.
      6 #
      7 # Redistribution and use in source and binary forms, with or without
      8 # modification, are permitted provided that the following conditions
      9 # are met:
     10 # 1. Redistributions of source code must retain the above copyright
     11 #    notice, this list of conditions and the following disclaimer.
     12 # 2. Redistributions in binary form must reproduce the above copyright
     13 #    notice, this list of conditions and the following disclaimer in the
     14 #    documentation and/or other materials provided with the distribution.
     15 # 3. The name of the author may not be used to endorse or promote products
     16 #    derived from this software without specific prior written permission.
     17 #
     18 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28 
     29 usage()
     30 {
     31 	cat >&2 <<EOF
     32 Usage: $0 [<input> [<output>]]
     33 
     34 Generate test script(s) from <input> table.
     35 If a <output> is specified, generate the script for this test only,
     36 otherwise generate scripts for all tests specified in <input> table.
     37 EOF
     38 	exit 1
     39 }
     40 
     41 input="${0%/*}/gen_tests.in"
     42 [ $# -eq 0 ] || { input="$1"; shift; }
     43 output=
     44 [ $# -eq 0 ] || { output="$1"; shift; }
     45 [ $# -eq 0 ] || usage
     46 
     47 if [ -n "$output" ]; then
     48 	match="${output##*/}"
     49 	match="${match%.gen.test}"
     50 	[ -n "$match" ] || usage
     51 else
     52 	match=
     53 	dir="$(dirname "$input")"
     54 fi
     55 
     56 names=
     57 
     58 while read -r name arg0 args; do {
     59 	[ -n "${name###*}" ] || continue
     60 	if [ -z "$match" ]; then
     61 		names="$names $name"
     62 		output="$dir/$name.gen.test"
     63 	else
     64 		[ "$match" = "$name" ] || continue
     65 	fi
     66 
     67 	hdr="\
     68 #!/bin/sh -efu
     69 # Generated by $0 from $input ($name $arg0 $args); do not edit."
     70 
     71 	case "$arg0" in
     72 		+*)
     73 		cat <<-EOF
     74 		$hdr
     75 		set -- $args
     76 		. "\${srcdir=.}/${arg0#+}"
     77 		EOF
     78 		;;
     79 
     80 		''|-*)
     81 		cat <<-EOF
     82 		$hdr
     83 		. "\${srcdir=.}/init.sh"
     84 		run_strace_match_diff $arg0 $args
     85 		EOF
     86 		;;
     87 
     88 		*)
     89 		cat <<-EOF
     90 		$hdr
     91 		. "\${srcdir=.}/init.sh"
     92 		$arg0 $args
     93 		EOF
     94 		;;
     95 	esac > "$output"
     96 
     97 	chmod a+x "$output"
     98 } < /dev/null; done < "$input"
     99 
    100 if [ -n "$names" ]; then
    101 	{
    102 		printf '# Generated by %s from %s; do not edit.\n' "$0" "$input"
    103 		printf 'GEN_TESTS ='
    104 		printf ' %s.gen.test' $names
    105 		echo
    106 		target='$(srcdir)/%s.gen.test'
    107 		dep1='$(abs_srcdir)/gen_tests.sh'
    108 		dep2='$(srcdir)/gen_tests.in'
    109 		recipe='$(AM_V_GEN) $^ $@'
    110 		printf "\\n$target: $dep1 $dep2\\n\\t$recipe\\n" $names
    111 	} > "$dir/gen_tests.am"
    112 fi
    113