Helper SpecialNotation

Jan Burse, created Mar 24. 2019
package jekdev.reference.inspection;
import jekpro.model.inter.AbstractSpecial;
import jekpro.model.inter.Engine;
import jekpro.model.inter.StackElement;
import jekpro.model.molec.BindUniv;
import jekpro.model.molec.Display;
import jekpro.model.molec.EngineException;
import jekpro.model.molec.EngineMessage;
import jekpro.model.pretty.AbstractSource;
import jekpro.model.pretty.Foyer;
import jekpro.model.pretty.StoreKey;
import jekpro.reference.runtime.SpecialDynamic;
import jekpro.reference.runtime.SpecialQuali;
import jekpro.reference.structure.SpecialUniv;
import jekpro.tools.term.SkelAtom;
import jekpro.tools.term.SkelCompound;
/**
* <p>This module provides built-ins for the module notation.</p>
* <p/>
* Warranty & Liability
* To the extent permitted by applicable law and unless explicitly
* otherwise agreed upon, XLOG Technologies GmbH makes no warranties
* regarding the provided information. XLOG Technologies GmbH assumes
* no liability that any problems might be solved with the information
* provided by XLOG Technologies GmbH.
* <p/>
* Rights & License
* All industrial property rights regarding the information - copyright
* and patent rights in particular - are the sole property of XLOG
* Technologies GmbH. If the company was not the originator of some
* excerpts, XLOG Technologies GmbH has at least obtained the right to
* reproduce, change and translate the information.
* <p/>
* Reproduction is restricted to the whole unaltered document. Reproduction
* of the information is only allowed for non-commercial uses. Selling,
* giving away or letting of the execution of the library is prohibited.
* The library can be distributed as part of your applications and libraries
* for execution provided this comment remains unchanged.
* <p/>
* Restrictions
* Only to be distributed with programs that add significant and primary
* functionality to the library. Not to be distributed with additional
* software intended to replace any components of the library.
* <p/>
* Trademarks
* Jekejeke is a registered trademark of XLOG Technologies GmbH.
*/
public final class SpecialNotation extends AbstractSpecial {
private final static int SPECIAL_SYS_SLASH_TO_MODULE = 0;
private final static int SPECIAL_SYS_MODULE_TO_SLASH = 1;
private final static int SPECIAL_SYS_COLON_TO_CALLABLE = 2;
private final static int SPECIAL_SYS_CALLABLE_TO_COLON = 3;
private final static int SPECIAL_SYS_COLON_TO_INDICATOR = 4;
private final static int SPECIAL_SYS_INDICATOR_TO_COLON = 5;
/**
* <p>Create a base direct access builtin.</p>
*
* @param i The built-in ID.
*/
public SpecialNotation(int i) {
super(i);
}
/**
* <p>Logically evaluate a goal in a list of goals for the first time.</p>
* <p>The goal is passed via the skel and display of the engine.</p>
* <p>The continuation is passed via the r and u of the engine.</p>
* <p>The new continuation is returned via the skel and display of the engine.</p>
*
* @param en The engine.
* @return True if the predicate succeeded, otherwise false.
* @throws EngineMessage Shit happens.
* @throws EngineException Shit happens.
*/
public final boolean moniFirst(Engine en)
throws EngineMessage, EngineException {
switch (id) {
case SPECIAL_SYS_SLASH_TO_MODULE:
Object[] temp = ((SkelCompound) en.skel).args;
Display ref = en.display;
Object obj = SpecialQuali.slashToClass(temp[0], ref, false, true, en);
if (!en.unifyTerm(temp[1], ref, obj, Display.DISPLAY_CONST))
return false;
return true;
case SPECIAL_SYS_MODULE_TO_SLASH:
temp = ((SkelCompound) en.skel).args;
ref = en.display;
SkelAtom sa = SpecialUniv.derefAndCastStringWrapped(temp[0], ref);
AbstractSource src = (sa.scope != null ? sa.scope : en.store.user);
obj = SpecialDynamic.moduleToSlashSkel(sa.fun, src);
if (!en.unifyTerm(temp[1], ref, obj, Display.DISPLAY_CONST))
return false;
return true;
case SPECIAL_SYS_COLON_TO_CALLABLE:
temp = ((SkelCompound) en.skel).args;
ref = en.display;
SpecialQuali.colonToCallable(temp[0], ref, true, en);
Display d = en.display;
boolean multi = d.getAndReset();
if (!en.unifyTerm(temp[1], ref, en.skel, d))
return false;
if (multi)
d.remTab(en);
return true;
case SPECIAL_SYS_CALLABLE_TO_COLON:
temp = ((SkelCompound) en.skel).args;
ref = en.display;
en.skel = temp[0];
en.display = ref;
en.deref();
sa = StackElement.callableToName(en.skel);
obj = SpecialDynamic.callableToColonSkel(en.skel, (sa != null ? sa.scope : null), en);
if (!en.unifyTerm(temp[1], ref, obj, en.display))
return false;
return true;
case SPECIAL_SYS_COLON_TO_INDICATOR:
temp = ((SkelCompound) en.skel).args;
ref = en.display;
Integer arity = SpecialQuali.colonToIndicator(temp[0], ref, en);
obj = new SkelCompound(new SkelAtom(Foyer.OP_SLASH), en.skel, arity);
if (!en.unifyTerm(temp[1], ref, obj, Display.DISPLAY_CONST))
return false;
return true;
case SPECIAL_SYS_INDICATOR_TO_COLON:
temp = ((SkelCompound) en.skel).args;
ref = en.display;
int arityint = StoreKey.derefAndCastIndicator(temp[0], ref, en);
sa = (SkelAtom) en.skel;
src = (sa.scope != null ? sa.scope : en.store.user);
obj = SpecialQuali.indicatorToColonSkel(sa.fun, src, arityint, en);
if (!en.unifyTerm(temp[1], ref, obj, Display.DISPLAY_CONST))
return false;
return true;
default:
throw new IllegalArgumentException(OP_ILLEGAL_SPECIAL);
}
}
}

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