annotate repoint.ps1 @ 318:3d129db143f4

Vext -> Repoint
author Chris Cannam
date Tue, 15 May 2018 15:30:38 +0100
parents vext.ps1@9ebb9ac79bdf
children
rev   line source
Chris@303 1 <#
Chris@303 2
Chris@303 3 .SYNOPSIS
Chris@303 4 A simple manager for third-party source code dependencies.
Chris@318 5 Run "repoint help" for more documentation.
Chris@303 6
Chris@303 7 #>
Chris@303 8
Chris@315 9 Set-StrictMode -Version 2.0
Chris@315 10 $ErrorActionPreference = "Stop"
Chris@318 11 $env:HGPLAIN = "true"
Chris@315 12
Chris@318 13 $sml = $env:REPOINT_SML
Chris@303 14
Chris@303 15 $mydir = Split-Path $MyInvocation.MyCommand.Path -Parent
Chris@318 16 $program = "$mydir/repoint.sml"
Chris@303 17
Chris@303 18 # We need either Poly/ML or SML/NJ. No great preference as to which.
Chris@303 19
Chris@318 20 # Typical locations
Chris@318 21 $env:PATH = "$env:PATH;C:\Program Files (x86)\SMLNJ\bin;C:\Program Files\Poly ML;C:\Program Files (x86)\Poly ML"
Chris@318 22
Chris@303 23 if (!$sml) {
Chris@314 24 if (Get-Command "sml" -ErrorAction SilentlyContinue) {
Chris@314 25 $sml = "smlnj"
Chris@314 26 } elseif (Get-Command "polyml" -ErrorAction SilentlyContinue) {
Chris@303 27 $sml = "poly"
Chris@303 28 } else {
Chris@303 29 echo @"
Chris@303 30
Chris@303 31 ERROR: No supported SML compiler or interpreter found
Chris@303 32
Chris@318 33 The Repoint external source code manager needs a Standard ML (SML)
Chris@303 34 compiler or interpreter to run.
Chris@303 35
Chris@303 36 Please ensure you have one of the following SML implementations
Chris@303 37 installed and present in your PATH, and try again.
Chris@303 38
Chris@314 39 1. Standard ML of New Jersey
Chris@314 40 - executable name: sml
Chris@314 41
Chris@314 42 2. Poly/ML
Chris@303 43 - executable name: polyml
Chris@303 44
Chris@303 45 "@
Chris@303 46 exit 1
Chris@303 47 }
Chris@303 48 }
Chris@303 49
Chris@315 50 if ($args -match "'""") {
Chris@303 51 $arglist = '["usage"]'
Chris@303 52 } else {
Chris@303 53 $arglist = '["' + ($args -join '","') + '"]'
Chris@303 54 }
Chris@303 55
Chris@303 56 if ($sml -eq "poly") {
Chris@303 57
Chris@303 58 $program = $program -replace "\\","\\\\"
Chris@318 59 echo "use ""$program""; repoint $arglist" | polyml -q --error-exit | Out-Host
Chris@303 60
Chris@315 61 if (-not $?) {
Chris@315 62 exit $LastExitCode
Chris@315 63 }
Chris@315 64
Chris@303 65 } elseif ($sml -eq "smlnj") {
Chris@303 66
Chris@303 67 $lines = @(Get-Content $program)
Chris@303 68 $lines = $lines -notmatch "val _ = main ()"
Chris@303 69
Chris@303 70 $intro = @"
Chris@303 71 val smlrun__cp =
Chris@303 72 let val x = !Control.Print.out in
Chris@303 73 Control.Print.out := { say = fn _ => (), flush = fn () => () };
Chris@303 74 x
Chris@303 75 end;
Chris@303 76 val smlrun__prev = ref "";
Chris@303 77 Control.Print.out := {
Chris@303 78 say = fn s =>
Chris@303 79 (if String.isSubstring "Error" s orelse String.isSubstring "Fail" s
Chris@303 80 then (Control.Print.out := smlrun__cp;
Chris@303 81 (#say smlrun__cp) (!smlrun__prev);
Chris@303 82 (#say smlrun__cp) s)
Chris@303 83 else (smlrun__prev := s; ())),
Chris@303 84 flush = fn s => ()
Chris@303 85 };
Chris@303 86 "@ -split "[\r\n]+"
Chris@303 87
Chris@315 88 $outro = @"
Chris@318 89 val _ = repoint $arglist;
Chris@303 90 val _ = OS.Process.exit (OS.Process.success);
Chris@303 91 "@ -split "[\r\n]+"
Chris@303 92
Chris@315 93 $script = @()
Chris@315 94 $script += $intro
Chris@315 95 $script += $lines
Chris@315 96 $script += $outro
Chris@303 97
Chris@315 98 $tmpfile = ([System.IO.Path]::GetTempFileName()) -replace "[.]tmp",".sml"
Chris@303 99
Chris@315 100 $script | Out-File -Encoding "ASCII" $tmpfile
Chris@303 101
Chris@315 102 $env:CM_VERBOSE="false"
Chris@303 103
Chris@315 104 sml $tmpfile
Chris@303 105
Chris@315 106 if (-not $?) {
Chris@315 107 del $tmpfile
Chris@315 108 exit $LastExitCode
Chris@315 109 }
Chris@315 110
Chris@315 111 del $tmpfile
Chris@303 112
Chris@303 113 } else {
Chris@303 114
Chris@315 115 "Unknown SML implementation name: $sml"
Chris@315 116 exit 2
Chris@303 117 }