author | wenzelm |
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theory JEdit |
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imports Base |
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begin |
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chapter {* Introduction *} |
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section {* Concepts and terminology *} |
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text {* Isabelle/jEdit is a Prover IDE that integrates \emph{parallel |
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proof checking} \cite{Wenzel:2009,Wenzel:2013:ITP} with |
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\emph{asynchronous user interaction} |
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\cite{Wenzel:2010,Wenzel:2012:UITP-EPTCS}, based on a |
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document-oriented approach to \emph{continuous proof processing} |
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\cite{Wenzel:2011:CICM,Wenzel:2012}. Many concepts and system |
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components are fit together in order to make this work. The main |
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building blocks are as follows: |
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\begin{description} |
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\item [PIDE] is a general framework for Prover IDEs based on the |
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Isabelle/Scala. It is built around a concept of asynchronous |
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document processing, which is supported natively by the parallel |
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proof engine that is implemented in Isabelle/ML. The prover |
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discontinues the traditional TTY-based command loop in favor of |
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direct editing of formal source text. |
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\item [Isabelle/ML] is the implementation and extension language of |
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Isabelle, see also \cite{isabelle-implementation}. It is integrated |
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into the formal logical context and allows to manipulate logical |
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entities directly. Arbitrary add-on tools may be implemented for |
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object-logics such as Isabelle/HOL. |
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\item [Isabelle/Scala] is the system programming language of |
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Isabelle. It extends the pure logical environment of Isabelle/ML |
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towards the ``real world'' of graphical user interfaces, text |
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editors, IDE frameworks, web services etc. Special infrastructure |
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allows to transfer algebraic datatypes and formatted text easily |
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between ML and Scala, using asynchronous protocol commands. |
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\item [jEdit] is a sophisticated text |
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editor\footnote{\url{http://www.jedit.org}} implemented in Java. It |
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is easily extensible by plugins written in languages that work on |
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the JVM, e.g.\ Scala\footnote{\url{http://www.scala-lang.org/}}. |
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\item [Isabelle/jEdit] is the main example application of the PIDE |
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framework and the default user-interface for Isabelle. It is |
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targeted at beginners and experts alike. Technically, Isabelle/jEdit |
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combines a slightly modified version of the official jEdit code base |
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with a special plugin for Isabelle, which is then integrated as |
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standalone application for the main operating system platforms: |
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Linux, Windows, Mac OS X. |
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\end{description} |
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The subtle differences of Isabelle/ML versus Standard ML, |
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Isabelle/Scala versus Scala, Isabelle/jEdit versus regular jEdit |
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need to be taken into account when discussing any of these PIDE |
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building blocks on public forums, mailing lists, or even scientific |
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publications. |
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*} |
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section {* The Isabelle/jEdit Prover IDE *} |
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text {* |
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\includegraphics[width=\textwidth]{isabelle-jedit} |
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Isabelle/jEdit consists of some plugins for the well-known jEdit |
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text editor \url{http://www.jedit.org}, according to the following |
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principles. |
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\begin{itemize} |
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\item The original jEdit look-and-feel is generally preserved, |
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although some default properties have been changed to accommodate |
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Isabelle (e.g.\ the text area font). |
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\item Formal Isabelle/Isar text is checked asynchronously while |
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editing. The user is in full command of the editor, and the prover |
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refrains from locking portions of the buffer. |
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\item Prover feedback works via colors, boxes, squiggly underline, |
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hyperlinks, popup windows, icons, clickable output, all based on |
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semantic markup produced by Isabelle in the background. |
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\item Using the mouse together with the modifier key @{verbatim |
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CONTROL} (Linux, Windows) or @{verbatim COMMAND} (Mac OS X) exposes |
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additional formal content via tooltips and/or hyperlinks. |
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\item Dockable windows (e.g.\ \emph{Output}, \emph{Symbols}) are |
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managed separately by jEdit, which also allows multiple instances. |
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\item Formal output (in popups etc.) may be explored recursively, |
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using the same techniques as in the editor source buffer. |
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\item The prover process and source files are managed on the editor |
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side. The prover operates on timeless and stateless document |
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content via Isabelle/Scala. |
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\item Plugin options of jEdit (for the \emph{Isabelle} plugin) give |
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access to a selection of Isabelle/Scala options and its persistence |
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preferences, usually with immediate effect on the prover back-end or |
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editor front-end. |
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\item The logic image of the prover session may be specified within |
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Isabelle/jEdit, but this requires restart. The new image is provided |
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automatically by the Isabelle build tool. |
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\end{itemize} |
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*} |
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subsection {* Documentation *} |
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text {* Regular jEdit documentation is accessible via its @{verbatim |
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Help} menu or @{verbatim F1} keyboard shortcut. This includes a full |
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\emph{User's Guide} and \emph{Frequently Asked Questions} for this |
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sophisticated text editor. |
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Most of the information is relevant for Isabelle/jEdit as well, but |
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one needs to keep in mind that defaults sometimes differ, and the |
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official jEdit documentation does not know about the Isabelle plugin |
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with its bias towards theory editing. |
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*} |
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subsection {* Plugins *} |
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text {* The \emph{Plugin Manager} of jEdit allows to augment editor |
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functionality by JVM modules (jars) that are provided by the central |
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plugin repository, or one of various mirror sites. The main |
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\emph{Isabelle} plugin that is bundled with Isabelle/jEdit needs to |
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remain active at all times! A few additional plugins are bundled |
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with Isabelle/jEdit for convenience or out of necessity, notably |
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\emph{Console} with its Isabelle/Scala sub-plugin and |
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\emph{SideKick} with some Isabelle-specific parsers for tree |
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structure. |
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Connecting to the plugin server infrastructure of the jEdit project |
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allows to update bundled plugins or to add further |
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functionality. This needs to be done with the usual care for such an |
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open bazaar, with contributions of very mixed quality. Arbitrary |
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combinations of add-on features are apt to cause problems. |
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It is advisable to start with the default configuration of |
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Isabelle/jEdit and develop some understanding how it is supposed to |
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work, before loading additional plugins at a grand scale. |
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*} |
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subsection {* Options *} |
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text {* jEdit and Isabelle have separate management of persistent |
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options. Regular jEdit options are accessible via the dialogs for |
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\emph{Global Options} and \emph{Plugin Options}. This results in an |
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environment of name-value properties that is stored within the |
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\emph{settings directory} of jEdit; see also the menu |
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\emph{Utilities / Settings Directory}. |
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In contrast, Isabelle system options are managed by Isabelle/Scala; |
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see also \cite{isabelle-sys}, especially the coverage of Isabelle |
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sessions and build. Options that are declared as \textbf{public} |
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are exposed to the \emph{Plugin Options} dialog of jEdit in its |
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section \emph{Isabelle / General}. This provides a view on Isabelle |
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options and persistent preferences in @{verbatim |
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"$ISABELLE_HOME_USER/etc/preferences"}, independently of the jEdit |
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properties in its settings directory. |
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Isabelle options are loaded once on startup and saved on shutdown. |
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Editing the machine-generated @{verbatim "etc/preferences"} manually |
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while the application is running is likely to cause a lost-update! |
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Some Isabelle options that are accessible in the Isabelle/jEdit |
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Plugin Options dialog affect general parameters that are relevant |
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outside Isabelle/jEdit as well, e.g.\ @{system_option threads} or |
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@{system_option parallel_proofs} for the Isabelle build tool |
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\cite{isabelle-sys}. |
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*} |
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subsection {* Keymaps *} |
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text {* Keyboard shortcuts used to be managed as jEdit properties in |
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the past, but recent versions (2013) have a separate concept of |
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\emph{keymap}. The ``imported'' keymap is produced initially from |
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the environment of properties that is available at the first start |
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of the editor. |
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This is relevant for Isabelle/jEdit due to various fine-tuning of |
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default properties, and additional keyboard shortcuts for Isabelle |
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specific functionality. Users may change their keymap later on, but |
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may need to copy important key bindings manually. |
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*} |
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subsection {* Look-and-feel *} |
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text {* jEdit is a Java/Swing application with some ambition to |
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support ``native'' platform look-and-feel, within the limits of what |
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Oracle as Java provider and major operating system vendors and |
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distributors allow. |
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Isabelle/jEdit uses platform-specific look-and-feel as follows: |
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\begin{description} |
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\item[Linux] The platform-independent \emph{Nimbus} is used by |
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default, but the classic \emph{Metal} also works. \emph{GTK+} works |
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under the side-condition that the overall GTK theme is selected in a |
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Java/Swing friendly way: the success rate is @{text "\<approx>"} 50\%. |
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\item[Windows] Regular \emph{Windows} is used by default, but |
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platform-independent \emph{Nimbus} and \emph{Metal} also work. |
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\item[Mac OS X] standard \emph{Apple Aqua} is used by default. |
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Moreover the bundled \emph{MacOSX} plugin provides various functions |
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that are expected from applications on that particular platform: |
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quit from menu or dock, preferences menu, drag-and-drop of text |
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files on the application, full-screen mode for main editor windows |
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etc. |
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\end{description} |
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Users may experiment with different look-and-feels, but need to keep |
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in mind that this extra dimension of GUI functionality is unlikely |
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to work in arbitrary combinations. The \emph{GTK+} look-and-feel is |
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particularly critical due to its additional dimension of ``themes''. |
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It is also important to ensure that the fonts of standard GUI |
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components use anti-aliasing as usual. |
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After changing the look-and-feel in \emph{Global Options / |
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Appearance}, it is advisable to restart Isabelle/jEdit in order to |
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take full effect. |
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*} |
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chapter {* Prover IDE functionality *} |
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section {* Buffers and theories *} |
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text {* jEdit maintains a collection of open \emph{text buffers} to |
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store source files. Each buffer may be associated with any number |
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of \emph{text areas} as visible GUI representation of the content. |
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Buffers are subject to a \emph{mode} that is determined from the |
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file type. Files with extension \texttt{.thy} are assigned to the |
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mode \emph{isabelle} and treated specifically as follows. |
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\begin{itemize} |
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\item Theory files are implicitly added to the formal document model |
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of Isabelle/jEdit, which maintains a family of versions of all |
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sources for the prover in the background. The \emph{Theories} panel |
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provides an overview of the status of continuous checking of theory |
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sources. Unlike batch sessions \cite{isabelle-sys}, full theory |
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file names are used to identify theory nodes; this allows to |
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experiment with multiple (disjoint) Isabelle sessions |
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simultaneously. |
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\item Certain events to open or update buffers containing theory |
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files cause Isabelle/jEdit to resolve dependencies of \emph{theory |
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imports}. The system will request to load further files into jEdit |
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editor buffers, which will eventually be added to the theory |
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document model for further checking. It is also possible to resolve |
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dependencies automatically, depending on the option @{system_option |
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jedit_auto_load}. |
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\item Physical rendering of jEdit buffer content within the visible |
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text areas is augmented by information from the formal document |
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model. Thus the prover can provide additional markup to help the |
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user understanding the meaning of the text, and to produce more text |
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with some add-on tools (e.g.\ information messages produced by |
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automated provers or disprovers in the background). |
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\end{itemize} |
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The text area views on theory buffers define the visible part of the |
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\emph{perspective} of Isabelle/jEdit. This is taken as a hint for |
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document processing: the prover will ensure that those parts of a |
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theory where the user is looking are checked, while invisible parts |
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that are presently not required are left alone. |
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The perspective can may changed by opening or closing text areas, or |
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scrolling the corresponding windows. It is also possible to |
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indicate theory nodes as \emph{required} for continuous checking in |
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the \emph{Theories} panel. This means such nodes and all their |
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imports are always processed, independently of the visibility |
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status. This can have significant impact on performance, though. |
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\medskip Formal markup of checked theory content is turned into GUI |
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rendering, based on a standard repertoire known from IDEs for |
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programming languages: colors, icons, highlighting, squiggly |
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underline, tooltips, hyperlinks etc. There is some traditional |
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syntax-highlighting for the outer syntax of Isabelle/Isar, based on |
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static keyword tables. The coloring of inner syntax (term language |
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etc.) is based on dynamic information from the logical context of |
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the prover. |
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Such formally annotated text can be explored further by using the |
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@{verbatim CONTROL} modifier key on Linux or Windows, and @{verbatim |
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COMMAND} on Mac OS X. Hovering with the mouse while the modifier is |
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pressed reveals \emph{tooltips} (grey box within the text with a |
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yellow popup) and/or \emph{hyperlinks} (dark grey rectangle within |
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the text). Tooltip popups use the same rendering principles as the |
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main text area, and further tooltips and/or hyperlinks may be |
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exposed recursively by the same mechanism. |
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%FIXME screenshot of term "x = x" with typing/sorting |
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*} |
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section {* Isabelle symbols and fonts *} |
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text {* Isabelle sources consist of \emph{symbols} that extend plain |
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ASCII and UTF-8 (for informal text) to allow infinitely many |
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mathematical symbols, without depending on particular encodings. |
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For the prover back-end, formal text consists of ASCII characters |
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that are grouped according to some simple rules, e.g.\ as plain |
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``@{verbatim a}'' or symbolic ``@{verbatim "\<alpha>"}''. |
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For the editor front-end, some well-known symbols are rendered as |
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Unicode glyphs, in order to show ``@{verbatim "\<alpha>"}'' as actual |
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``@{text "\<alpha>"}''. This symbol interpretation is specified by the |
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Isabelle system distribution (in @{file |
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"$ISABELLE_HOME/etc/symbols"}) or the user (in @{verbatim |
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"$ISABELLE_HOME_USER/etc/symbols"}). |
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\medskip The appendix of \cite{isabelle-isar-ref} gives an overview |
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of the standard interpretation of finitely many symbols from the |
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infinite collection. Uninterpreted symbols are shown literally. |
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For example: |
|
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|
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\medskip |
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\begin{tabular}{l} |
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@{text "\<alpha>"}, @{text "\<beta>"}, @{text "\<gamma>"}, @{text "\<dots>"} \\ |
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@{text "\<forall>"}, @{text "\<exists>"}, @{text "\<or>"}, @{text "\<and>"}, @{text "\<longrightarrow>"}, @{text "\<longleftrightarrow>"}, @{text "\<dots>"} \\ |
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@{text "\<le>"}, @{text "\<ge>"}, @{text "\<sqinter>"}, @{text "\<squnion>"}, @{text "\<dots>"} \\ |
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@{text "\<aleph>"}, @{text "\<triangle>"}, @{text "\<nabla>"}, @{text "\<dots>"} \\ |
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@{verbatim "\<foo>"}, @{verbatim "\<bar>"}, @{verbatim "\<baz>"}, @{text "\<dots>"} \\ |
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\end{tabular} |
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\medskip |
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|
54323 | 346 |
Correct rendering via Unicode requires a font that contains glyphs |
347 |
for the corresponding codepoints. Many standard fonts lack that, so |
|
348 |
Isabelle/jEdit uses the @{verbatim IsabelleText} by default, which |
|
349 |
ensures that standard collection of Isabelle symbols are actually |
|
350 |
seen on the screen (or printer). |
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|
54323 | 352 |
Note that a Java/Swing application can load additional fonts from |
353 |
the file-system only if they are not installed as system font |
|
354 |
already! This means an old version of @{verbatim IsabelleText} that |
|
355 |
happens to be already present will prevent Isabelle/jEdit from using |
|
356 |
its current bundled version. This might result in missing glyphs |
|
357 |
(black rectangles), since @{verbatim IsabelleText} is occasionally |
|
358 |
improved in its coverage over time. De-facto there is no need to |
|
359 |
``install'' that font on the system in the first place. |
|
360 |
||
361 |
\medskip Technically, the Unicode view on Isabelle symbols is an |
|
362 |
\emph{encoding} in Isabelle/jEdit, which is called @{verbatim |
|
363 |
"UTF-8-Isabelle"} and enabled by default. Sometimes such defaults |
|
364 |
are reset accidentally, or malformed UTF-8 sequences in the text |
|
365 |
force jEdit to fall back on a different encoding like @{verbatim |
|
366 |
"ISO-8859-15"}. In the latter case, raw @{verbatim "\<alpha>"} will be |
|
367 |
shown in the text buffer instead of its Unicode rendering @{text |
|
368 |
"\<alpha>"}. The jEdit menu operation \emph{File / Reload with Encoding / |
|
369 |
UTF-8-Isabelle} helps to resolve such problems, potentially after |
|
370 |
repairing malformed parts of the text. |
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\medskip \paragraph{Input methods.} In principle, Isabelle/jEdit |
373 |
could delegate the problem to produce Isabelle symbols in their |
|
374 |
Unicode rendering to the underlying operating system and its |
|
375 |
\emph{input methods}; jEdit also provides various ways to work with |
|
376 |
\emph{abbreviations} to produce certain non-ASCII characters. Since |
|
377 |
mathematical characters are far from mainstream use, various |
|
378 |
specific Isabelle/jEdit input methods are required. |
|
379 |
||
380 |
Here are some practically relevant input methods for Isabelle |
|
381 |
symbols: |
|
382 |
||
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\begin{enumerate} |
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|
385 |
\item The \emph{Symbols} panel with some GUI buttoms to insert |
|
386 |
certain symbols in the text buffer. There are also tooltips to |
|
387 |
reveal to official Isabelle representation with some additional |
|
388 |
information about \emph{symbol abbreviations} (see below). |
|
389 |
||
390 |
\item Copy / paste from decoded source files: text that is rendered |
|
391 |
as Unicode already may get re-used to produce further such text. |
|
392 |
This also works between different applications, e.g.\ Isabelle/jEdit |
|
393 |
and some web browser, as long as the same Unicode view on actual |
|
394 |
Isabelle symbols is used. |
|
395 |
||
396 |
\item Copy / paste from prover output within Isabelle/jEdit: the |
|
397 |
same principles as for text buffers apply. Note that copy in |
|
398 |
Isabelle \emph{Output} works via the keyboard shortcut @{verbatim |
|
399 |
"C+v"}, not the jEdit menu (which refers to the main text area). |
|
400 |
||
401 |
\item Completion provided by Isabelle plugin (see |
|
402 |
\secref{sec:completion}). Isabelle symbols have a canonical name |
|
403 |
and optional abbreviations. This can be used with the text |
|
404 |
completion mechanism of Isabelle/jEdit, to replace a prefix of the |
|
405 |
actual symbol @{verbatim "\<lambda>"}, or its backslashed name @{verbatim |
|
406 |
"\\"}@{verbatim "lambda"}, or its ASCII abbreviation @{verbatim |
|
407 |
"%"}. |
|
408 |
||
409 |
The following table is an extract of the information provided by the |
|
410 |
standard @{verbatim "etc/symbols"} file: |
|
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|
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\medskip |
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\begin{tabular}{lll} |
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\textbf{symbol} & \textbf{abbreviation} & \textbf{backslash escape} \\\hline |
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@{text "\<lambda>"} & @{verbatim "%"} & @{verbatim "\\lambda"} \\ |
416 |
@{text "\<Rightarrow>"} & @{verbatim "=>"} & @{verbatim "\\Rightarrow"} \\ |
|
417 |
@{text "\<Longrightarrow>"} & @{verbatim "==>"} & @{verbatim "\\Longrightarrow"} \\ |
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@{text "\<And>"} & @{verbatim "!!"} & @{verbatim "\\And"} \\ |
420 |
@{text "\<equiv>"} & @{verbatim "=="} & @{verbatim "\\equiv"} \\ |
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@{text "\<forall>"} & @{verbatim "!"} & @{verbatim "\\forall"} \\ |
423 |
@{text "\<exists>"} & @{verbatim "?"} & @{verbatim "\\exists"} \\ |
|
424 |
@{text "\<longrightarrow>"} & @{verbatim "-->"} & @{verbatim "\\longrightarrow"} \\ |
|
425 |
@{text "\<and>"} & @{verbatim "&"} & @{verbatim "\\and"} \\ |
|
426 |
@{text "\<or>"} & @{verbatim "|"} & @{verbatim "\\or"} \\ |
|
427 |
@{text "\<not>"} & @{verbatim "~"} & @{verbatim "\\not"} \\ |
|
428 |
@{text "\<noteq>"} & @{verbatim "~="} & @{verbatim "\\noteq"} \\ |
|
429 |
@{text "\<in>"} & @{verbatim ":"} & @{verbatim "\\in"} \\ |
|
430 |
@{text "\<notin>"} & @{verbatim "~:"} & @{verbatim "\\notin"} \\ |
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\end{tabular} |
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432 |
|
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433 |
\end{enumerate} |
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434 |
|
54323 | 435 |
Some further notes on symbol completion: |
436 |
||
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437 |
\begin{itemize} |
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438 |
|
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\item The above abbreviations refer to the input method. The logical |
54323 | 440 |
notation provides ASCII alternatives that often coincide, but |
441 |
deviate occasionally. |
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442 |
|
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\item Generic jEdit abbreviations or plugins perform similar source |
54323 | 444 |
replacement operations; this works for Isabelle as long as the |
445 |
Unicode sequences coincide with the symbol mapping. |
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446 |
|
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\item Raw Unicode characters within prover source files should be |
54323 | 448 |
restricted to informal parts, e.g.\ to write text in non-latin |
449 |
alphabets. Mathematical symbols should be defined via the official |
|
450 |
rendering tables, to avoid problems with portability and longterm |
|
451 |
storage of formal text. |
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452 |
|
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453 |
\end{itemize} |
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454 |
|
54323 | 455 |
\paragraph{Control symbols.} There are some special control symbols |
456 |
to modify the style of a \emph{single} symbol (without |
|
457 |
nesting). Control symbols may be applied to a region of selected |
|
458 |
text, either using the \emph{Symbols} panel or keyboard shortcuts. |
|
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|
459 |
|
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460 |
\medskip |
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\begin{tabular}{lll} |
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\textbf{symbol} & style & keyboard shortcut \\\hline |
54323 | 463 |
@{verbatim "\<^sup>"} & superscript & @{verbatim "C+e UP"} \\ |
464 |
@{verbatim "\<^sub>"} & subscript & @{verbatim "C+e DOWN"} \\ |
|
465 |
@{verbatim "\<^bold>"} & bold face & @{verbatim "C+e RIGHT"} \\ |
|
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& reset & @{verbatim "C+e LEFT"} \\ |
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467 |
\end{tabular} |
54323 | 468 |
|
469 |
It is also possible to complete on @{verbatim "\\"}@{verbatim sup}, |
|
470 |
@{verbatim "\\"}@{verbatim sub}, @{verbatim "\\"}@{verbatim bold} as |
|
471 |
for regular symbols. |
|
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472 |
*} |
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|
473 |
|
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|
474 |
|
54323 | 475 |
section {* Text completion \label{sec:completion} *} |
53769 | 476 |
|
53981 | 477 |
text {* |
478 |
Text completion works via some light-weight GUI popup, which is triggered by |
|
479 |
keyboard events during the normal editing process in the main jEdit text |
|
480 |
area and a few additional text fields. The popup interprets special keys: |
|
481 |
@{verbatim TAB}, @{verbatim ESCAPE}, @{verbatim UP}, @{verbatim DOWN}, |
|
482 |
@{verbatim PAGE_UP}, @{verbatim PAGE_DOWN}. All other key events are passed |
|
483 |
to the jEdit text area --- this allows to ignore unwanted completions most |
|
484 |
of the time and continue typing quickly. |
|
485 |
||
486 |
Various Isabelle plugin options control the popup behavior and immediate |
|
487 |
insertion into buffer. |
|
488 |
||
54320 | 489 |
Isabelle Symbols are completed in backslashed forms, e.g.\ @{verbatim |
53981 | 490 |
"\\"}@{verbatim "forall"} or @{verbatim "\<forall>"} that both produce the Isabelle |
53982 | 491 |
symbol @{text "\<forall>"} in its Unicode rendering. Alternatively, symbol |
492 |
abbreviations may be used as specified in @{file |
|
493 |
"$ISABELLE_HOME/etc/symbols"}. |
|
53981 | 494 |
|
495 |
\emph{Explicit completion} works via standard jEdit shortcut @{verbatim |
|
496 |
"C+b"}, which is remapped to action @{verbatim "isabelle.complete"}, with a |
|
497 |
fall-back on regular @{verbatim "complete-word"} for non-Isabelle buffers. |
|
498 |
||
499 |
\emph{Implicit completion} works via keyboard input on text area, with popup |
|
500 |
or immediate insertion into buffer. Plain words require at least 3 |
|
501 |
characters to be completed. |
|
502 |
||
503 |
\emph{Immediate completion} means the (unique) replacement text is inserted |
|
504 |
into the buffer without popup. This mode ignores plain words and requires |
|
505 |
more than one characters for symbol abbreviations. Otherwise it falls back |
|
506 |
on completion popup. |
|
507 |
*} |
|
53769 | 508 |
|
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509 |
|
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510 |
chapter {* Known problems and workarounds *} |
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511 |
|
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|
512 |
text {* |
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|
513 |
\begin{itemize} |
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|
514 |
|
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515 |
\item \textbf{Problem:} Keyboard shortcuts @{verbatim "C+PLUS"} and |
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|
516 |
@{verbatim "C+MINUS"} for adjusting the editor font size depend on |
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|
517 |
platform details and national keyboards. |
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|
518 |
|
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|
519 |
\textbf{Workaround:} Use numeric keypad or rebind keys in the |
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|
520 |
jEdit Shortcuts options dialog. |
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|
521 |
|
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|
522 |
\item \textbf{Problem:} Lack of dependency management for auxiliary files |
53771 | 523 |
that contribute to a theory (e.g.\ @{command ML_file}). |
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|
524 |
|
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525 |
\textbf{Workaround:} Re-load files manually within the prover. |
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|
526 |
|
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|
527 |
\item \textbf{Problem:} Odd behavior of some diagnostic commands with |
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|
528 |
global side-effects, like writing a physical file. |
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|
529 |
|
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|
530 |
\textbf{Workaround:} Avoid such commands. |
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|
531 |
|
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|
532 |
\item \textbf{Problem:} No way to delete document nodes from the overall |
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|
533 |
collection of theories. |
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|
534 |
|
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|
535 |
\textbf{Workaround:} Restart whole Isabelle/jEdit session in worst-case |
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|
536 |
situation. |
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|
537 |
|
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|
538 |
\item \textbf{Problem:} Linux: some desktop environments with extreme |
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|
539 |
animation effects may disrupt Java 7 window placement and/or keyboard |
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|
540 |
focus. |
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|
541 |
|
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|
542 |
\textbf{Workaround:} Disable such effects. |
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|
543 |
|
54037
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|
544 |
\item \textbf{Problem:} Linux: some X11 input methods such as IBus tend |
ab77ec347220
unset XMODIFIERS by default, in order to prevent total loss of key events seen on Fedora 18/19;
wenzelm
parents:
53982
diff
changeset
|
545 |
to disrupt key event handling of Java/Swing. |
ab77ec347220
unset XMODIFIERS by default, in order to prevent total loss of key events seen on Fedora 18/19;
wenzelm
parents:
53982
diff
changeset
|
546 |
|
ab77ec347220
unset XMODIFIERS by default, in order to prevent total loss of key events seen on Fedora 18/19;
wenzelm
parents:
53982
diff
changeset
|
547 |
\textbf{Workaround:} Do not use input methods, reset the environment |
ab77ec347220
unset XMODIFIERS by default, in order to prevent total loss of key events seen on Fedora 18/19;
wenzelm
parents:
53982
diff
changeset
|
548 |
variable @{verbatim XMODIFIERS} within Isabelle settings (default in |
ab77ec347220
unset XMODIFIERS by default, in order to prevent total loss of key events seen on Fedora 18/19;
wenzelm
parents:
53982
diff
changeset
|
549 |
Isabelle2013-1). |
ab77ec347220
unset XMODIFIERS by default, in order to prevent total loss of key events seen on Fedora 18/19;
wenzelm
parents:
53982
diff
changeset
|
550 |
|
53770
db362319d766
added/updated material from src/Tools/jEdit/README.html;
wenzelm
parents:
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diff
changeset
|
551 |
\item \textbf{Problem:} Linux: some X11 window managers that are not |
db362319d766
added/updated material from src/Tools/jEdit/README.html;
wenzelm
parents:
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diff
changeset
|
552 |
``re-parenting'' cause problems with additional windows opened by the Java |
db362319d766
added/updated material from src/Tools/jEdit/README.html;
wenzelm
parents:
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diff
changeset
|
553 |
VM. This affects either historic or neo-minimalistic window managers like |
db362319d766
added/updated material from src/Tools/jEdit/README.html;
wenzelm
parents:
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diff
changeset
|
554 |
``@{verbatim awesome}'' or ``@{verbatim xmonad}''. |
db362319d766
added/updated material from src/Tools/jEdit/README.html;
wenzelm
parents:
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diff
changeset
|
555 |
|
db362319d766
added/updated material from src/Tools/jEdit/README.html;
wenzelm
parents:
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diff
changeset
|
556 |
\textbf{Workaround:} Use regular re-parenting window manager. |
db362319d766
added/updated material from src/Tools/jEdit/README.html;
wenzelm
parents:
53769
diff
changeset
|
557 |
|
53886
c83727c7a510
updated documentation concerning MacOSX plugin 1.3;
wenzelm
parents:
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diff
changeset
|
558 |
\item \textbf{Problem:} The Mac OS X keyboard shortcut @{verbatim |
c83727c7a510
updated documentation concerning MacOSX plugin 1.3;
wenzelm
parents:
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diff
changeset
|
559 |
"COMMAND+COMMA"} for Preferences is in conflict with the jEdit default |
c83727c7a510
updated documentation concerning MacOSX plugin 1.3;
wenzelm
parents:
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diff
changeset
|
560 |
binding for @{verbatim "quick-search"}. |
53770
db362319d766
added/updated material from src/Tools/jEdit/README.html;
wenzelm
parents:
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diff
changeset
|
561 |
|
53886
c83727c7a510
updated documentation concerning MacOSX plugin 1.3;
wenzelm
parents:
53773
diff
changeset
|
562 |
\textbf{Workaround:} Remap in jEdit manually according to national |
c83727c7a510
updated documentation concerning MacOSX plugin 1.3;
wenzelm
parents:
53773
diff
changeset
|
563 |
keyboard, e.g.\ @{verbatim "COMMAND+SLASH"} on English ones. |
53770
db362319d766
added/updated material from src/Tools/jEdit/README.html;
wenzelm
parents:
53769
diff
changeset
|
564 |
|
db362319d766
added/updated material from src/Tools/jEdit/README.html;
wenzelm
parents:
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diff
changeset
|
565 |
\item \textbf{Problem:} Mac OS X: Java 7 is officially supported on Lion |
db362319d766
added/updated material from src/Tools/jEdit/README.html;
wenzelm
parents:
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diff
changeset
|
566 |
and Mountain Lion, but not Snow Leopard. It usually works on the latter, |
db362319d766
added/updated material from src/Tools/jEdit/README.html;
wenzelm
parents:
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diff
changeset
|
567 |
although with a small risk of instabilities. |
db362319d766
added/updated material from src/Tools/jEdit/README.html;
wenzelm
parents:
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diff
changeset
|
568 |
|
db362319d766
added/updated material from src/Tools/jEdit/README.html;
wenzelm
parents:
53769
diff
changeset
|
569 |
\textbf{Workaround:} Update to OS X Mountain Lion, or later. |
db362319d766
added/updated material from src/Tools/jEdit/README.html;
wenzelm
parents:
53769
diff
changeset
|
570 |
|
db362319d766
added/updated material from src/Tools/jEdit/README.html;
wenzelm
parents:
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diff
changeset
|
571 |
\end{itemize} |
db362319d766
added/updated material from src/Tools/jEdit/README.html;
wenzelm
parents:
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diff
changeset
|
572 |
*} |
db362319d766
added/updated material from src/Tools/jEdit/README.html;
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parents:
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diff
changeset
|
573 |
|
53769 | 574 |
end |