author | wenzelm |
Tue, 21 Sep 2010 22:16:22 +0200 | |
changeset 39581 | 430ff865089b |
parent 39576 | 48baf61cb888 |
child 39583 | c1e9c6dfeff8 |
permissions | -rw-r--r-- |
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/* Title: Pure/System/isabelle_system.scala |
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Author: Makarius |
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Isabelle system support (settings environment etc.). |
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*/ |
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package isabelle |
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import java.util.regex.Pattern |
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import java.util.Locale |
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import java.io.{InputStream, FileInputStream, OutputStream, FileOutputStream, File, |
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BufferedReader, InputStreamReader, IOException} |
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import java.awt.{GraphicsEnvironment, Font} |
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import java.awt.font.TextAttribute |
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import scala.io.Source |
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import scala.util.matching.Regex |
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import scala.collection.mutable |
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class Isabelle_System(this_isabelle_home: String) extends Standard_System |
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{ |
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def this() = this(null) |
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/** Isabelle environment **/ |
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/* |
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isabelle_home precedence: |
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(1) this_isabelle_home as explicit argument |
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(2) ISABELLE_HOME process environment variable (e.g. inherited from running isabelle tool) |
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(3) isabelle.home system property (e.g. via JVM application boot process) |
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*/ |
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private val environment: Map[String, String] = |
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{ |
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import scala.collection.JavaConversions._ |
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val env0 = Map(java.lang.System.getenv.toList: _*) + |
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("THIS_JAVA" -> this_java()) |
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val isabelle_home = |
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if (this_isabelle_home != null) this_isabelle_home |
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else |
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env0.get("ISABELLE_HOME") match { |
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case None | Some("") => |
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val path = java.lang.System.getProperty("isabelle.home") |
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if (path == null || path == "") error("Unknown Isabelle home directory") |
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else path |
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case Some(path) => path |
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} |
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Standard_System.with_tmp_file("settings") { dump => |
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val shell_prefix = |
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if (Platform.is_windows) List(platform_root + "\\bin\\bash", "-l") else Nil |
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val cmdline = |
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shell_prefix ::: List(isabelle_home + "/bin/isabelle", "getenv", "-d", dump.toString) |
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val (output, rc) = Standard_System.raw_exec(null, env0, true, cmdline: _*) |
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if (rc != 0) error(output) |
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val entries = |
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for (entry <- Source.fromFile(dump).mkString split "\0" if entry != "") yield { |
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val i = entry.indexOf('=') |
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if (i <= 0) (entry -> "") |
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else (entry.substring(0, i) -> entry.substring(i + 1)) |
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} |
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Map(entries: _*) + |
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("HOME" -> java.lang.System.getenv("HOME")) + |
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("PATH" -> java.lang.System.getenv("PATH")) |
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} |
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} |
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/* external processes */ |
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def execute(redirect: Boolean, args: String*): Process = |
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{ |
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val cmdline = |
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if (Platform.is_windows) List(platform_root + "\\bin\\env.exe") ++ args |
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else args |
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Standard_System.raw_execute(null, environment, redirect, cmdline: _*) |
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} |
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/* getenv */ |
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def getenv(name: String): String = |
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environment.getOrElse(if (name == "HOME") "HOME_JVM" else name, "") |
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def getenv_strict(name: String): String = |
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{ |
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val value = getenv(name) |
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if (value != "") value else error("Undefined environment variable: " + name) |
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} |
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override def toString = getenv_strict("ISABELLE_HOME") |
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/** file path specifications **/ |
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/* expand_path */ |
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private val Root = new Regex("(//+[^/]*|/)(.*)") |
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private val Only_Root = new Regex("//+[^/]*|/") |
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def expand_path(isabelle_path: String): String = |
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val result_path = new StringBuilder |
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def init(path: String): String = |
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path match { |
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case Root(root, rest) => |
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result_path.clear |
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result_path ++= root |
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rest |
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case _ => path |
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} |
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} |
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def append(path: String) |
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{ |
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val rest = init(path) |
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for (p <- rest.split("/") if p != "" && p != ".") { |
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if (p == "..") { |
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val result = result_path.toString |
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if (!Only_Root.pattern.matcher(result).matches) { |
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val i = result.lastIndexOf("/") |
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if (result == "") |
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result_path ++= ".." |
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else if (result.substring(i + 1) == "..") |
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result_path ++= "/.." |
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else if (i < 0) |
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result_path.length = 0 |
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else |
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result_path.length = i |
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} |
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} |
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else { |
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val len = result_path.length |
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if (len > 0 && result_path(len - 1) != '/') |
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result_path += '/' |
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result_path ++= p |
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} |
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} |
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} |
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val rest = init(isabelle_path) |
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for (p <- rest.split("/")) { |
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if (p.startsWith("$")) append(getenv_strict(p.substring(1))) |
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else if (p == "~") append(getenv_strict("HOME")) |
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else if (p == "~~") append(getenv_strict("ISABELLE_HOME")) |
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else append(p) |
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} |
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result_path.toString |
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} |
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/* platform_path */ |
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def platform_path(isabelle_path: String): String = |
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jvm_path(expand_path(isabelle_path)) |
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def platform_file(path: String) = new File(platform_path(path)) |
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/* try_read */ |
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def try_read(paths: Seq[String]): String = |
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{ |
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val buf = new StringBuilder |
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for { |
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path <- paths |
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file = platform_file(path) if file.isFile |
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c <- (Source.fromFile(file) ++ Iterator.single('\n')) |
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} buf.append(c) |
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buf.toString |
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} |
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/* source files */ |
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private def try_file(file: File) = if (file.isFile) Some(file) else None |
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def source_file(path: String): Option[File] = |
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{ |
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if (path.startsWith("/") || path == "") |
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try_file(platform_file(path)) |
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else { |
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val pure_file = platform_file("$ISABELLE_HOME/src/Pure/" + path) |
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if (pure_file.isFile) Some(pure_file) |
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else if (getenv("ML_SOURCES") != "") |
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try_file(platform_file("$ML_SOURCES/" + path)) |
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else None |
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} |
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} |
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/** system tools **/ |
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def bash(script: String): (String, String, Int) = |
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{ |
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Standard_System.with_tmp_file("isabelle_script") { script_file => |
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Standard_System.write_file(script_file, script) |
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val proc = |
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execute(false, expand_path("$ISABELLE_HOME/lib/scripts/process"), "group", "-", |
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"exec bash " + posix_path(script_file.getPath)) |
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209 |
val stdout_reader = |
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210 |
new BufferedReader(new InputStreamReader(proc.getInputStream, Standard_System.charset)) |
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211 |
|
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212 |
val stderr_reader = |
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213 |
new BufferedReader(new InputStreamReader(proc.getErrorStream, Standard_System.charset)) |
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214 |
|
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215 |
val pid = stdout_reader.readLine |
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216 |
|
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217 |
def kill(strict: Boolean) = |
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218 |
{ |
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219 |
var running = true |
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220 |
var count = 10 // FIXME property!? |
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221 |
while (running && count > 0) { |
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222 |
if (execute(true, "kill", "-INT", "-" + pid).waitFor != 0) |
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223 |
running = false |
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224 |
else { |
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225 |
Thread.sleep(100) // FIXME property!? |
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226 |
if (!strict) count -= 1 |
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227 |
} |
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228 |
} |
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229 |
} |
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230 |
|
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231 |
val shutdown_hook = new Thread { override def run = kill(true) } |
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232 |
Runtime.getRuntime.addShutdownHook(shutdown_hook) // FIXME tmp file during shutdown?!? |
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233 |
|
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234 |
def cleanup() = |
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235 |
try { Runtime.getRuntime.removeShutdownHook(shutdown_hook) } |
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236 |
catch { case _: IllegalStateException => } |
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237 |
|
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238 |
val stdout = Simple_Thread.future { Standard_System.slurp(stdout_reader) } |
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|
239 |
val stderr = Simple_Thread.future { Standard_System.slurp(stderr_reader) } |
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240 |
proc.getOutputStream.close |
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|
241 |
|
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|
242 |
val rc = |
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|
243 |
try { |
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244 |
try { proc.waitFor } |
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245 |
catch { case e: InterruptedException => Thread.interrupted; kill(false); 2 } |
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|
246 |
} |
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|
247 |
finally { |
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248 |
stdout.join |
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249 |
stderr.join |
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|
250 |
proc.destroy // FIXME kill -TERM !? |
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251 |
cleanup() |
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252 |
} |
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253 |
(stdout.join, stderr.join, rc) |
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254 |
} |
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255 |
} |
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256 |
|
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257 |
def isabelle_tool(name: String, args: String*): (String, Int) = |
31498 | 258 |
{ |
34200 | 259 |
getenv_strict("ISABELLE_TOOLS").split(":").find { dir => |
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260 |
val file = platform_file(dir + "/" + name) |
34025 | 261 |
try { file.isFile && file.canRead && file.canExecute } |
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262 |
catch { case _: SecurityException => false } |
34200 | 263 |
} match { |
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|
264 |
case Some(dir) => |
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|
265 |
Standard_System.process_output( |
34195 | 266 |
execute(true, (List(expand_path(dir + "/" + name)) ++ args): _*)) |
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267 |
case None => ("Unknown Isabelle tool: " + name, 2) |
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268 |
} |
28063 | 269 |
} |
270 |
||
271 |
||
272 |
/* named pipes */ |
|
273 |
||
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274 |
private var fifo_count: Long = 0 |
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275 |
private def next_fifo(): String = synchronized { |
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276 |
require(fifo_count < java.lang.Long.MAX_VALUE) |
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277 |
fifo_count += 1 |
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278 |
fifo_count.toString |
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279 |
} |
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280 |
|
31498 | 281 |
def mk_fifo(): String = |
282 |
{ |
|
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283 |
val i = next_fifo() |
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284 |
val script = |
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285 |
"FIFO=\"/tmp/isabelle-fifo-${PPID}-$$-" + i + "\"\n" + |
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286 |
"mkfifo -m 600 \"$FIFO\" || { echo \"Failed to create fifo: $FIFO\" >&2; exit 2; }\n" + |
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|
287 |
"echo -n \"$FIFO\"\n" |
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|
288 |
val (out, err, rc) = bash(script) |
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|
289 |
if (rc == 0) out else error(err) |
28063 | 290 |
} |
291 |
||
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|
292 |
def rm_fifo(fifo: String): Boolean = |
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|
293 |
(new File(jvm_path(if (Platform.is_windows) fifo + ".lnk" else fifo))).delete |
28063 | 294 |
|
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295 |
def fifo_input_stream(fifo: String): InputStream = |
31498 | 296 |
{ |
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|
297 |
if (Platform.is_windows) { // Cygwin fifo as Windows/Java input stream |
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|
298 |
val proc = execute(false, expand_path("$ISABELLE_HOME/lib/scripts/raw_dump"), fifo, "-") |
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|
299 |
proc.getOutputStream.close |
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|
300 |
proc.getErrorStream.close |
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|
301 |
proc.getInputStream |
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|
302 |
} |
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|
303 |
else new FileInputStream(fifo) |
29177 | 304 |
} |
28063 | 305 |
|
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|
306 |
def fifo_output_stream(fifo: String): OutputStream = |
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|
307 |
{ |
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|
308 |
if (Platform.is_windows) { // Cygwin fifo as Windows/Java output stream |
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|
309 |
val proc = execute(false, expand_path("$ISABELLE_HOME/lib/scripts/raw_dump"), "-", fifo) |
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|
310 |
proc.getInputStream.close |
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|
311 |
proc.getErrorStream.close |
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|
312 |
val out = proc.getOutputStream |
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|
313 |
new OutputStream { |
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|
314 |
override def close() { out.close(); proc.waitFor() } |
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|
315 |
override def flush() { out.flush() } |
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|
316 |
override def write(b: Array[Byte]) { out.write(b) } |
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|
317 |
override def write(b: Array[Byte], off: Int, len: Int) { out.write(b, off, len) } |
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|
318 |
override def write(b: Int) { out.write(b) } |
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|
319 |
} |
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|
320 |
} |
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|
321 |
else new FileOutputStream(fifo) |
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|
322 |
} |
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|
323 |
|
29152 | 324 |
|
32450 | 325 |
|
31796 | 326 |
/** Isabelle resources **/ |
327 |
||
32328 | 328 |
/* components */ |
329 |
||
330 |
def components(): List[String] = |
|
37058
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rendering information and style sheets via settings;
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diff
changeset
|
331 |
getenv_strict("ISABELLE_COMPONENTS").split(":").toList |
32328 | 332 |
|
333 |
||
29152 | 334 |
/* find logics */ |
335 |
||
31498 | 336 |
def find_logics(): List[String] = |
337 |
{ |
|
29152 | 338 |
val ml_ident = getenv_strict("ML_IDENTIFIER") |
34163 | 339 |
val logics = new mutable.ListBuffer[String] |
29152 | 340 |
for (dir <- getenv_strict("ISABELLE_PATH").split(":")) { |
341 |
val files = platform_file(dir + "/" + ml_ident).listFiles() |
|
342 |
if (files != null) { |
|
343 |
for (file <- files if file.isFile) logics += file.getName |
|
344 |
} |
|
345 |
} |
|
36012 | 346 |
logics.toList.sortWith(_ < _) |
29152 | 347 |
} |
29570 | 348 |
|
349 |
||
350 |
/* symbols */ |
|
351 |
||
352 |
val symbols = new Symbol.Interpretation( |
|
37058
c47653f3ec14
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wenzelm
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diff
changeset
|
353 |
try_read(getenv_strict("ISABELLE_SYMBOLS").split(":").toList).split("\n").toList) |
34024 | 354 |
|
355 |
||
356 |
/* fonts */ |
|
357 |
||
37058
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diff
changeset
|
358 |
val font_family = getenv_strict("ISABELLE_FONT_FAMILY") |
37367 | 359 |
val font_family_default = "IsabelleText" |
34024 | 360 |
|
36788 | 361 |
def get_font(size: Int = 1, bold: Boolean = false): Font = |
36785 | 362 |
new Font(font_family, if (bold) Font.BOLD else Font.PLAIN, size) |
34024 | 363 |
|
37367 | 364 |
def create_default_font(bold: Boolean = false): Font = |
365 |
if (bold) |
|
366 |
Font.createFont(Font.TRUETYPE_FONT, |
|
367 |
platform_file("$ISABELLE_HOME/lib/fonts/IsabelleTextBold.ttf")) |
|
368 |
else |
|
369 |
Font.createFont(Font.TRUETYPE_FONT, |
|
370 |
platform_file("$ISABELLE_HOME/lib/fonts/IsabelleText.ttf")) |
|
371 |
||
34044
09afb1d49fe7
slightly more robust and less ambitious version of install_fonts;
wenzelm
parents:
34027
diff
changeset
|
372 |
def install_fonts() |
09afb1d49fe7
slightly more robust and less ambitious version of install_fonts;
wenzelm
parents:
34027
diff
changeset
|
373 |
{ |
37367 | 374 |
val ge = GraphicsEnvironment.getLocalGraphicsEnvironment() |
375 |
ge.registerFont(create_default_font(bold = false)) |
|
376 |
ge.registerFont(create_default_font(bold = true)) |
|
34024 | 377 |
} |
27919 | 378 |
} |