mirror of
https://github.com/nim-lang/Nim.git
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afc30ca879
* move sha1, md5 to nimble packages * boot the compiler * fixes tests * build the documentation * fixes docs * lol, I forgot koch.nim * add `nimHasChecksums` define * clone checksums but maybe copying is better * bump nimble hash * use ChecksumsStableCommit * fixes tests * deprecate them * fixes paths * fixes koch
73 lines
2.2 KiB
Nim
73 lines
2.2 KiB
Nim
#
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#
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# The Nim Compiler
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# (c) Copyright 2017 Andreas Rumpf
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#
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# See the file "copying.txt", included in this
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# distribution, for details about the copyright.
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#
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## Module that implements ``gorge`` for the compiler.
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import msgs, os, osproc, streams, options,
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lineinfos, pathutils
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when defined(nimPreviewSlimSystem):
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import std/syncio
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import ../dist/checksums/src/checksums/sha1
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proc readOutput(p: Process): (string, int) =
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result[0] = ""
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var output = p.outputStream
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while not output.atEnd:
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result[0].add(output.readLine)
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result[0].add("\n")
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if result[0].len > 0:
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result[0].setLen(result[0].len - "\n".len)
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result[1] = p.waitForExit
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proc opGorge*(cmd, input, cache: string, info: TLineInfo; conf: ConfigRef): (string, int) =
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let workingDir = parentDir(toFullPath(conf, info))
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if cache.len > 0:
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let h = secureHash(cmd & "\t" & input & "\t" & cache)
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let filename = toGeneratedFile(conf, AbsoluteFile("gorge_" & $h), "txt").string
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var f: File
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if optForceFullMake notin conf.globalOptions and open(f, filename):
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result = (f.readAll, 0)
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f.close
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return
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var readSuccessful = false
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try:
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var p = startProcess(cmd, workingDir,
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options={poEvalCommand, poStdErrToStdOut})
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if input.len != 0:
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p.inputStream.write(input)
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p.inputStream.close()
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result = p.readOutput
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p.close()
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readSuccessful = true
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# only cache successful runs:
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if result[1] == 0:
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writeFile(filename, result[0])
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except IOError, OSError:
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if not readSuccessful:
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when defined(nimLegacyGorgeErrors):
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result = ("", -1)
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else:
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result = ("Error running startProcess: " & getCurrentExceptionMsg(), -1)
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else:
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try:
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var p = startProcess(cmd, workingDir,
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options={poEvalCommand, poStdErrToStdOut})
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if input.len != 0:
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p.inputStream.write(input)
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p.inputStream.close()
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result = p.readOutput
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p.close()
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except IOError, OSError:
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when defined(nimLegacyGorgeErrors):
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result = ("", -1)
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else:
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result = ("Error running startProcess: " & getCurrentExceptionMsg(), -1)
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