src/Tools/jEdit/src/jedit_thy_load.scala
author wenzelm
Sun, 16 Dec 2012 18:44:27 +0100
changeset 50566 b43c4f660320
parent 49406 38db4832b210
child 54509 1f77110c94ef
permissions -rw-r--r--
tuned signature: use thy_load to adapt to prover/editor specific view on sources;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
45007
cc86edb97c2c fixed headers;
wenzelm
parents: 44963
diff changeset
     1
/*  Title:      Tools/jEdit/src/jedit_thy_load.scala
44577
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
     2
    Author:     Makarius
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
     3
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
     4
Primitives for loading theory files, based on jEdit buffer content.
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
     5
*/
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
     6
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
     7
package isabelle.jedit
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
     8
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
     9
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    10
import isabelle._
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    11
48409
0d2114eb412a more explicit java.io.{File => JFile};
wenzelm
parents: 46737
diff changeset
    12
import java.io.{File => JFile, IOException}
44577
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    13
import javax.swing.text.Segment
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    14
44963
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    15
import org.gjt.sp.jedit.io.{VFS, FileVFS, VFSFile, VFSManager}
44577
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    16
import org.gjt.sp.jedit.MiscUtilities
50566
b43c4f660320 tuned signature: use thy_load to adapt to prover/editor specific view on sources;
wenzelm
parents: 49406
diff changeset
    17
import org.gjt.sp.jedit.{View, Buffer}
44577
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    18
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    19
48870
4accee106f0f clarified initialization of Thy_Load, Thy_Info, Session;
wenzelm
parents: 48422
diff changeset
    20
class JEdit_Thy_Load(loaded_theories: Set[String] = Set.empty, base_syntax: Outer_Syntax)
4accee106f0f clarified initialization of Thy_Load, Thy_Info, Session;
wenzelm
parents: 48422
diff changeset
    21
  extends Thy_Load(loaded_theories, base_syntax)
44577
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    22
{
50566
b43c4f660320 tuned signature: use thy_load to adapt to prover/editor specific view on sources;
wenzelm
parents: 49406
diff changeset
    23
  /* document node names */
b43c4f660320 tuned signature: use thy_load to adapt to prover/editor specific view on sources;
wenzelm
parents: 49406
diff changeset
    24
b43c4f660320 tuned signature: use thy_load to adapt to prover/editor specific view on sources;
wenzelm
parents: 49406
diff changeset
    25
  def buffer_node_dummy(buffer: Buffer): Option[Document.Node.Name] =
b43c4f660320 tuned signature: use thy_load to adapt to prover/editor specific view on sources;
wenzelm
parents: 49406
diff changeset
    26
    Some(Document.Node.Name(JEdit_Lib.buffer_name(buffer), buffer.getDirectory, buffer.getName))
b43c4f660320 tuned signature: use thy_load to adapt to prover/editor specific view on sources;
wenzelm
parents: 49406
diff changeset
    27
b43c4f660320 tuned signature: use thy_load to adapt to prover/editor specific view on sources;
wenzelm
parents: 49406
diff changeset
    28
  def buffer_node_name(buffer: Buffer): Option[Document.Node.Name] =
b43c4f660320 tuned signature: use thy_load to adapt to prover/editor specific view on sources;
wenzelm
parents: 49406
diff changeset
    29
  {
b43c4f660320 tuned signature: use thy_load to adapt to prover/editor specific view on sources;
wenzelm
parents: 49406
diff changeset
    30
    val name = JEdit_Lib.buffer_name(buffer)
b43c4f660320 tuned signature: use thy_load to adapt to prover/editor specific view on sources;
wenzelm
parents: 49406
diff changeset
    31
    Thy_Header.thy_name(name).map(theory => Document.Node.Name(name, buffer.getDirectory, theory))
b43c4f660320 tuned signature: use thy_load to adapt to prover/editor specific view on sources;
wenzelm
parents: 49406
diff changeset
    32
  }
b43c4f660320 tuned signature: use thy_load to adapt to prover/editor specific view on sources;
wenzelm
parents: 49406
diff changeset
    33
b43c4f660320 tuned signature: use thy_load to adapt to prover/editor specific view on sources;
wenzelm
parents: 49406
diff changeset
    34
b43c4f660320 tuned signature: use thy_load to adapt to prover/editor specific view on sources;
wenzelm
parents: 49406
diff changeset
    35
  /* file-system operations */
b43c4f660320 tuned signature: use thy_load to adapt to prover/editor specific view on sources;
wenzelm
parents: 49406
diff changeset
    36
44615
a4ff8a787202 more abstract Document.Node.Name;
wenzelm
parents: 44580
diff changeset
    37
  override def append(dir: String, source_path: Path): String =
44577
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    38
  {
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    39
    val path = source_path.expand
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    40
    if (path.is_absolute) Isabelle_System.platform_path(path)
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    41
    else {
44615
a4ff8a787202 more abstract Document.Node.Name;
wenzelm
parents: 44580
diff changeset
    42
      val vfs = VFSManager.getVFSForPath(dir)
44577
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    43
      if (vfs.isInstanceOf[FileVFS])
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    44
        MiscUtilities.resolveSymlinks(
44615
a4ff8a787202 more abstract Document.Node.Name;
wenzelm
parents: 44580
diff changeset
    45
          vfs.constructPath(dir, Isabelle_System.platform_path(path)))
a4ff8a787202 more abstract Document.Node.Name;
wenzelm
parents: 44580
diff changeset
    46
      else vfs.constructPath(dir, Isabelle_System.standard_path(path))
44577
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    47
    }
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    48
  }
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    49
48885
d5fdaf7dd1f8 find files via load commands within theory text;
wenzelm
parents: 48883
diff changeset
    50
  override def with_thy_text[A](name: Document.Node.Name, f: CharSequence => A): A =
d5fdaf7dd1f8 find files via load commands within theory text;
wenzelm
parents: 48883
diff changeset
    51
  {
d5fdaf7dd1f8 find files via load commands within theory text;
wenzelm
parents: 48883
diff changeset
    52
    Swing_Thread.now {
49406
38db4832b210 somewhat more general JEdit_Lib;
wenzelm
parents: 48885
diff changeset
    53
      JEdit_Lib.jedit_buffer(name.node) match {
48885
d5fdaf7dd1f8 find files via load commands within theory text;
wenzelm
parents: 48883
diff changeset
    54
        case Some(buffer) =>
49406
38db4832b210 somewhat more general JEdit_Lib;
wenzelm
parents: 48885
diff changeset
    55
          JEdit_Lib.buffer_lock(buffer) {
48885
d5fdaf7dd1f8 find files via load commands within theory text;
wenzelm
parents: 48883
diff changeset
    56
            Some(f(buffer.getSegment(0, buffer.getLength)))
d5fdaf7dd1f8 find files via load commands within theory text;
wenzelm
parents: 48883
diff changeset
    57
          }
d5fdaf7dd1f8 find files via load commands within theory text;
wenzelm
parents: 48883
diff changeset
    58
        case None => None
d5fdaf7dd1f8 find files via load commands within theory text;
wenzelm
parents: 48883
diff changeset
    59
      }
d5fdaf7dd1f8 find files via load commands within theory text;
wenzelm
parents: 48883
diff changeset
    60
    } getOrElse {
d5fdaf7dd1f8 find files via load commands within theory text;
wenzelm
parents: 48883
diff changeset
    61
      val file = new JFile(name.node)  // FIXME load URL via jEdit VFS (!?)
d5fdaf7dd1f8 find files via load commands within theory text;
wenzelm
parents: 48883
diff changeset
    62
      if (!file.exists || !file.isFile) error("No such file: " + quote(file.toString))
d5fdaf7dd1f8 find files via load commands within theory text;
wenzelm
parents: 48883
diff changeset
    63
      f(File.read(file))
d5fdaf7dd1f8 find files via load commands within theory text;
wenzelm
parents: 48883
diff changeset
    64
    }
d5fdaf7dd1f8 find files via load commands within theory text;
wenzelm
parents: 48883
diff changeset
    65
  }
d5fdaf7dd1f8 find files via load commands within theory text;
wenzelm
parents: 48883
diff changeset
    66
44963
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    67
  def check_file(view: View, path: String): Boolean =
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    68
  {
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    69
    val vfs = VFSManager.getVFSForPath(path)
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    70
    val session = vfs.createVFSSession(path, view)
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    71
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    72
    try {
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    73
      session != null && {
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    74
        try {
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    75
          val file = vfs._getFile(session, path, view)
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    76
          file != null && file.isReadable && file.getType == VFSFile.FILE
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    77
        }
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    78
        catch { case _: IOException => false }
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    79
      }
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    80
    }
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    81
    finally {
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    82
      try { vfs._endVFSSession(session, view) }
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    83
      catch { case _: IOException => }
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    84
    }
4662dddc2fd8 explicit check_file wrt. jEdit VFS, to avoid slightly confusing empty buffer after IO error;
wenzelm
parents: 44953
diff changeset
    85
  }
44577
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    86
}
96b6388d06c4 separate module for jEdit primitives for loading theory files;
wenzelm
parents:
diff changeset
    87