annotate repoint @ 129:afd72eb2b0aa tip

Added tag v1.0-windows-32bit for changeset 7d5387c63447
author Chris Cannam
date Fri, 12 Jun 2020 17:20:52 +0100
parents eaa4410df4cd
children
rev   line source
Chris@0 1 #!/bin/bash
Chris@0 2
Chris@0 3 # Disable shellcheck warnings for useless-use-of-cat. UUOC is good
Chris@0 4 # practice, not bad: clearer, safer, less error-prone.
Chris@0 5 # shellcheck disable=SC2002
Chris@0 6
Chris@0 7 sml="$REPOINT_SML"
Chris@0 8
Chris@0 9 set -eu
Chris@0 10
Chris@0 11 # avoid gussying up output
Chris@0 12 export HGPLAIN=true
Chris@0 13
Chris@0 14 mydir=$(dirname "$0")
Chris@0 15 program="$mydir/repoint.sml"
Chris@0 16
Chris@0 17 hasher=
Chris@0 18 local_install=
Chris@0 19 if [ -w "$mydir" ]; then
Chris@0 20 if echo | sha256sum >/dev/null 2>&1 ; then
Chris@0 21 hasher=sha256sum
Chris@0 22 local_install=true
Chris@0 23 elif echo | shasum >/dev/null 2>&1 ; then
Chris@0 24 hasher=shasum
Chris@0 25 local_install=true
Chris@0 26 else
Chris@0 27 echo "WARNING: sha256sum or shasum program not found" 1>&2
Chris@0 28 fi
Chris@0 29 fi
Chris@0 30
Chris@0 31 if [ -n "$local_install" ]; then
Chris@0 32 hash=$(echo "$sml" | cat "$program" - | $hasher | cut -c1-16)
Chris@0 33 gen_sml=$mydir/.repoint-$hash.sml
Chris@0 34 gen_out=$mydir/.repoint-$hash.bin
Chris@0 35 trap 'rm -f $gen_sml' 0
Chris@0 36 else
Chris@0 37 gen_sml=$(mktemp /tmp/repoint-XXXXXXXX.sml)
Chris@0 38 gen_out=$(mktemp /tmp/repoint-XXXXXXXX.bin)
Chris@0 39 trap 'rm -f $gen_sml $gen_out' 0
Chris@0 40 fi
Chris@0 41
Chris@0 42 if [ -x "$gen_out" ]; then
Chris@0 43 exec "$gen_out" "$@"
Chris@0 44 fi
Chris@0 45
Chris@0 46 # We need one of Poly/ML, SML/NJ, MLton, or MLKit. Since we're running
Chris@0 47 # a single-file SML program as if it were a script, our order of
Chris@0 48 # preference is usually based on startup speed. An exception is the
Chris@0 49 # local_install case, where we retain a persistent binary
Chris@0 50
Chris@0 51 if [ -z "$sml" ]; then
Chris@0 52 if [ -n "$local_install" ] && mlton 2>&1 | grep -q 'MLton'; then
Chris@0 53 sml="mlton"
Chris@0 54 elif sml -h 2>&1 | grep -q 'Standard ML of New Jersey'; then
Chris@0 55 sml="smlnj"
Chris@0 56 # We would prefer Poly/ML to SML/NJ, except that Poly v5.7 has a
Chris@0 57 # nasty bug that occasionally causes it to deadlock on startup.
Chris@0 58 # That is fixed in v5.7.1, so we could promote it up the order
Chris@0 59 # again at some point in future
Chris@0 60 elif echo | poly -v 2>/dev/null | grep -q 'Poly/ML'; then
Chris@0 61 sml="polyml"
Chris@0 62 elif mlton 2>&1 | grep -q 'MLton'; then
Chris@0 63 sml="mlton"
Chris@0 64 # MLKit is at the bottom because it leaves compiled files around
Chris@0 65 # in an MLB subdir in the current directory
Chris@0 66 elif mlkit 2>&1 | grep -q 'MLKit'; then
Chris@0 67 sml="mlkit"
Chris@0 68 else cat 1>&2 <<EOF
Chris@0 69
Chris@0 70 ERROR: No supported SML compiler or interpreter found
Chris@0 71 EOF
Chris@0 72 cat 1>&2 <<EOF
Chris@0 73
Chris@0 74 The Repoint external source code manager needs a Standard ML (SML)
Chris@0 75 compiler or interpreter to run.
Chris@0 76
Chris@0 77 Please ensure you have one of the following SML implementations
Chris@0 78 installed and present in your PATH, and try again.
Chris@0 79
Chris@0 80 1. Standard ML of New Jersey
Chris@0 81 - may be found in a distribution package called: smlnj
Chris@0 82 - executable name: sml
Chris@0 83
Chris@0 84 2. Poly/ML
Chris@0 85 - may be found in a distribution package called: polyml
Chris@0 86 - executable name: poly
Chris@0 87
Chris@0 88 3. MLton
Chris@0 89 - may be found in a distribution package called: mlton
Chris@0 90 - executable name: mlton
Chris@0 91
Chris@0 92 4. MLKit
Chris@0 93 - may be found in a distribution package called: mlkit
Chris@0 94 - executable name: mlkit
Chris@0 95
Chris@0 96 EOF
Chris@0 97 exit 2
Chris@0 98 fi
Chris@0 99 fi
Chris@0 100
Chris@0 101 arglist=""
Chris@0 102 for arg in "$@"; do
Chris@0 103 if [ -n "$arglist" ]; then arglist="$arglist,"; fi
Chris@0 104 if echo "$arg" | grep -q '["'"'"']' ; then
Chris@0 105 arglist="$arglist\"usage\""
Chris@0 106 else
Chris@0 107 arglist="$arglist\"$arg\""
Chris@0 108 fi
Chris@0 109 done
Chris@0 110
Chris@0 111 case "$sml" in
Chris@0 112 polyml)
Chris@0 113 if [ -n "$local_install" ] && polyc --help >/dev/null 2>&1 ; then
Chris@0 114 if [ ! -x "$gen_out" ]; then
Chris@0 115 polyc -o "$gen_out" "$program"
Chris@0 116 fi
Chris@0 117 "$gen_out" "$@"
Chris@0 118 else
Chris@0 119 echo 'use "'"$program"'"; repoint ['"$arglist"'];' |
Chris@0 120 poly -q --error-exit
Chris@0 121 fi ;;
Chris@0 122 mlton)
Chris@0 123 if [ ! -x "$gen_out" ]; then
Chris@0 124 echo "[Precompiling Repoint binary...]" 1>&2
Chris@0 125 echo "val _ = main ()" | cat "$program" - > "$gen_sml"
Chris@0 126 mlton -output "$gen_out" "$gen_sml"
Chris@0 127 fi
Chris@0 128 "$gen_out" "$@" ;;
Chris@0 129 mlkit)
Chris@0 130 if [ ! -x "$gen_out" ]; then
Chris@0 131 echo "[Precompiling Repoint binary...]" 1>&2
Chris@0 132 echo "val _ = main ()" | cat "$program" - > "$gen_sml"
Chris@0 133 mlkit -output "$gen_out" "$gen_sml"
Chris@0 134 fi
Chris@0 135 "$gen_out" "$@" ;;
Chris@0 136 smlnj)
Chris@0 137 cat "$program" | (
Chris@0 138 cat <<EOF
Chris@0 139 val smlrun__cp =
Chris@0 140 let val x = !Control.Print.out in
Chris@0 141 Control.Print.out := { say = fn _ => (), flush = fn () => () };
Chris@0 142 x
Chris@0 143 end;
Chris@0 144 val smlrun__prev = ref "";
Chris@0 145 Control.Print.out := {
Chris@0 146 say = fn s =>
Chris@0 147 (if String.isSubstring " Error" s
Chris@0 148 then (Control.Print.out := smlrun__cp;
Chris@0 149 (#say smlrun__cp) (!smlrun__prev);
Chris@0 150 (#say smlrun__cp) s)
Chris@0 151 else (smlrun__prev := s; ())),
Chris@0 152 flush = fn s => ()
Chris@0 153 };
Chris@0 154 EOF
Chris@0 155 cat -
Chris@0 156 cat <<EOF
Chris@0 157 val _ = repoint [$arglist];
Chris@0 158 val _ = OS.Process.exit (OS.Process.success);
Chris@0 159 EOF
Chris@0 160 ) > "$gen_sml"
Chris@0 161 CM_VERBOSE=false sml "$gen_sml" ;;
Chris@0 162 *)
Chris@0 163 echo "ERROR: Unknown SML implementation name: $sml" 1>&2;
Chris@0 164 exit 2 ;;
Chris@0 165 esac
Chris@0 166