author | wenzelm |
Fri, 01 Apr 2022 17:06:10 +0200 | |
changeset 75393 | 87ebf5a50283 |
parent 74306 | a117c076aa22 |
permissions | -rw-r--r-- |
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/* Title: Pure/System/command_line.scala |
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Author: Makarius |
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Support for Isabelle/Scala command line tools. |
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*/ |
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package isabelle |
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object Command_Line { |
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object Chunks { |
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private def chunks(list: List[String]): List[List[String]] = |
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list.indexWhere(_ == "\n") match { |
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case -1 => List(list) |
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case i => |
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val (chunk, rest) = list.splitAt(i) |
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chunk :: chunks(rest.tail) |
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} |
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def unapplySeq(list: List[String]): Option[List[List[String]]] = Some(chunks(list)) |
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} |
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def tool(body: => Unit): Unit = { |
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val thread = |
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Isabelle_Thread.fork(name = "command_line", inherit_locals = true) { |
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val rc = |
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try { body; Process_Result.RC.ok } |
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catch { |
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case exn: Throwable => |
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Output.error_message(Exn.print(exn)) |
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Exn.failure_rc(exn) |
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} |
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sys.exit(rc) |
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} |
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thread.join() |
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} |
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def ML_tool(body: List[String]): String = |
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"Command_Line.tool (fn () => (" + body.mkString("; ") + "));" |
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} |