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rubysingle.ps1
62 lines (49 loc) · 1.31 KB
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rubysingle.ps1
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Write-Host "Input:" $Args[0]
Write-Host "Output:" $Args[1]
if (!(Test-Path $Args[0] -PathType Leaf)) {
Write-Error "No input file found."
Exit-PSSession
}
$extlibs = @()
$loaded = @()
$programLine = @()
function Parse-Require($orig) {
$d = $orig.Split(' ');
return $d[1].Trim('"', "'");
}
function Parse-RequireRelative($orig) {
$d = $orig.Split(' ');
$fp = $d[1].Trim('"', "'");
return $fp;
}
function Read-Program($path) {
Write-Host "Loading:" $path;
$fline = (Get-Content $path) -as [string[]]
foreach ($l in $fline) {
$l = $l.Trim(' ');
if ($l.StartsWith("require ")) {
$lib = Parse-Require($l);
if (!$extlibs.Contains($lib)) {
Write-Host "Detected Thirdparty Library:" $lib
$extlibs += $lib
}
}
elseif ($l.StartsWith("require_relative ")) {
$file = Parse-RequireRelative($l);
if (!$loaded.Contains($file)) {
$loaded += $file;
. Read-Program $file;
}
}
else {
$programLine += $l;
}
}
}
. Read-Program($Args[0]);
$extlibline = @();
foreach ($lib in $extlibs) {
$extlibline += "require '" + $lib + "'"
}
$programLine = $extlibline + $programLine
$programLine | Out-File $Args[1]