lib/ProofGeneral/pgip_isar.xml

syntax operations: turned extend'' into update'' (absorb duplicates);
tuned signature;

<!-- Title:      Pure/pgip_isar.xml
     ID:         $Id$
     Author:     David Aspinall, University of Edinburgh
		 Christoph Lüth, University of Bremen

This file contains the configuration messages which configure 
PGIP interfaces for Isabelle/Isar, in particular, explaining
internal types of objects and operations available on them.

See http://proofgeneral.inf.ed.ac.uk/kit for more details.

This file is a contributed part of the Isabelle Distribution.

STATUS: incomplete and experimental.
-->

<displayconfig>

  <welcomemsg>Welcome to Isabelle/Isar 2007.</welcomemsg>

  <!-- Icon for Isabelle interface -->
  <icon>
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  </icon>

  <helpdoc name="Isabelle/HOL Tutorial" 
	   descr="A gentle introduction to Isabelle/HOL"
           url="http://isabelle.in.tum.de/dist/Isabelle/doc/tutorial.pdf"
  >tutorial</helpdoc>
  <helpdoc name="Isabelle HOL Logic Reference" 
	   descr="The Isabelle HOL Logic in detail"
           url="http://isabelle.in.tum.de/dist/Isabelle/doc/logics-HOL.pdf"
  >logics-HOL</helpdoc>
  <helpdoc name="Isar Tutorial" 
	   descr="An Introduction to the Isar proof language"
           url="http://isabelle.in.tum.de/dist/Isabelle/doc/isar-overview.pdf"
  >isar-overview</helpdoc>
  <helpdoc name="Isabelle/Isar Reference" 
	   descr="Reference Manual for Isabelle/Isar"
           url="http://isabelle.in.tum.de/dist/Isabelle/doc/isar-ref.pdf"
  >isar-ref</helpdoc>
  <helpdoc name="Isabelle Reference manual"
	   descr="Reference Manual for Isabelle"
           url="http://isabelle.in.tum.de/dist/Isabelle/doc/ref.pdf"
  >ref</helpdoc>
  <helpdoc 
           name="Isabelle System manual"
           descr="System Manual: interfaces, output, building logics."
           url="http://isabelle.in.tum.de/dist/Isabelle/doc/system.pdf"
  >system</helpdoc>

  <!-- Example lexicalstructure element.  This is incomplete and the
   keywords need to be filled dynamically -->
  <lexicalstructure>
    <keyword word="begin"><shorthelp>Begin theory or proof</shorthelp></keyword>
    <keyword word="end"><shorthelp>End theory or proof</shorthelp></keyword>
    <stringdelimiter>"</stringdelimiter>
    <commentdelimiter start="(*" end="*)"/>
    <commentdelimiter start="--"/>
    <identifiersyntax initialchars="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
		      allowedchars="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ012345689_'"/>
  </lexicalstructure>
 

  <!-- objtypes -->

  <objtype name="toplevel" descr="top-level context (PGIP internal)">
    <contains objtype="theory"/>
  </objtype>

  <objtype name="theory" descr="Isabelle theory">
    <contains objtype="theorem"/>
    <contains objtype="theory"/>
  </objtype>

  <objtype name="theorem" descr="Isabelle theorem">
    <contains objtype="theorem-proof"/>
    <hasprefs prefcategory="Theorem attributes">
      <haspref name="thm-kind" descr="Theorem kind">
	<pgipchoice>
	  <pgipconst name="theorem" descr="Theorem"/>
	  <pgipconst name="lemma" descr="Lemma"/>
	  <pgipconst name="corollary" descr="Corollary"/>
	</pgipchoice>
      </haspref>
      <haspref name="thm-simp" descr="Include in simplifier set">
	<pgipbool/>
      </haspref>
      <haspref name="thm-intro" descr="Flag as introduction rule">
	<pgipbool/>
      </haspref>
      <haspref name="thm-elim" descr="Flag as elimination rule">
	<pgipbool/>
      </haspref>
      <haspref name="thm-dest" descr="Flag as destruction rule">
	<pgipbool/>
      </haspref>
    </hasprefs>
  </objtype>
  <objtype name="theorem-proof" descr="Isabelle proof">
  </objtype>
  <objtype name="term"      descr="Isabelle term">
    <icon>
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  </objtype>
  <objtype name="type"      descr="Isabelle type">
    <icon>
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    </icon>
  </objtype>
  <objtype name="thmset"    descr="Set of Isabelle theorems">
    <contains objtype="theorem"/>
  </objtype>
<!-- possible objtypes not yet supported:
  <objtype name="method"    descr="Isar method or proof step"></objtype>
-->

  <!-- object operations -->

  <opn name="theory" descr="make a theory">
    <opsrc name="name">identifier</opsrc>
    <opsrc name="imports" listwithsep=" ">theory</opsrc>
    <optrg>theory</optrg>
    <opcmd>theory %name imports %imports begin

end</opcmd>
  </opn>

  <opn name="open lemma">
    <inputform>
      <field name="name"><pgipstring/><prompt>Input a name:</prompt></field>
      <field name="term"><pgipstring/><prompt>Input a term:</prompt></field>
      <field name="attributes">
	<pgipchoice>
	<pgipconst name="" descr="none"></pgipconst>
	<pgipconst name="[simp]" descr="use in global simplifier context"></pgipconst>
	</pgipchoice>
	<prompt>Attributes:</prompt></field>
    </inputform>
    <opsrc></opsrc>
    <opcmd>lemma %attributes %name : "%term"
sorry
</opcmd>
  </opn>


  <opn name="add to simpset">
    <opsrc>theorem</opsrc>
    <optrg></optrg>
    <opcmd>declare %1 [simp]</opcmd>
  </opn>

  <opn name="remove from simpset">
    <opsrc>theorem</opsrc>
    <optrg></optrg>
    <opcmd>declare %1 [simp del]</opcmd>
  </opn>

  <opn name="instantiate" descr="instantiate variable in theorem">
    <opsrc>theorem</opsrc>
    <opsrc>term</opsrc>
    <optrg>theorem</optrg>
    <opcmd>%1 [OF %2]</opcmd>
  </opn>

  <!-- interactive operations -->
  <!-- da: this isn't really a good example.  
       Isar doesn't have cterms, the "term" command just checks & prints
       a term in the current context. -->
  <opn name="checkterm">
    <inputform>
      <field name="term"><pgipstring/><prompt>Input a term:</prompt></field>
    </inputform>
    <opsrc></opsrc>
    <optrg>term</optrg>
    <opcmd>term %term</opcmd>
  </opn>

  <!-- proof operations -->
  <opn name="applyrule">
    <opsrc>ruleset</opsrc>
    <opcmd>apply (rule %1)</opcmd>
  </opn>
  <opn name="applyerule">
    <opsrc>ruleset</opsrc>
    <opcmd>apply (erule %1)</opcmd>
  </opn>
  <opn name="applydrule">
    <opsrc>ruleset</opsrc>
    <opcmd>apply (drule %1)</opcmd>
  </opn>

  <!-- introduce new goal -->
  <!-- [FIXME: ideally need to generalise substitution for options? in pgipchoice] -->


</displayconfig>