Helfer DisplayClause

Jan Burse, erstellt 14. Jan 2019
package jekpro.model.molec;
import jekpro.model.inter.Engine;
import jekpro.model.inter.InterfaceStack;
import jekpro.model.rope.Clause;
import jekpro.model.rope.Intermediate;
/**
* <p>The class provides a clause display.</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 DisplayClause extends Display implements InterfaceStack {
public final static int MASK_DPCL_MORE = 0x00000001;
public final static int MASK_DPCL_SOFT = 0x00000002;
public Intermediate contskel;
public DisplayClause contdisplay;
public int flags;
public int lastalloc;
public int lastgc;
public int number;
public DisplayClause prune;
public Clause def;
/**
* <p>Create a display clause.</p>
*/
public DisplayClause() {
}
/**
* <p>Retrieve the cont skel.</p>
*
* @return The cont skel.
*/
public Intermediate getContSkel() {
return contskel;
}
/**
* <p>Retrieve the cont display.</p>
*
* @return The cont display.
*/
public DisplayClause getContDisplay() {
return contdisplay;
}
/********************************************************/
/* Allocation & Reallocation */
/********************************************************/
/**
* <p>Create a new display.</p>
* <p>Don't fill the binds with bindvars.</p>
*
* @param s The size.
* @return The new display.
*/
public static BindCount[] newBindClause(int s) {
return (s != 0 ? new BindCount[s] : BindCount.BIND_CONST);
}
/**
* <p>Set the bind size.</p>
* <p>Don't refill the binds with bindvars.</p>
*
* @param s The bind size.
* @param b The display
* @return The new display.
*/
public static BindCount[] setSizeClause(int s, BindCount[] b) {
int n = (b != null ? b.length : 0);
if (n == s)
return b;
if (s == 0) {
b = BindCount.BIND_CONST;
} else {
BindCount[] newbind = new BindCount[s];
n = Math.min(n, s);
if (n != 0)
System.arraycopy(b, 0, newbind, 0, n);
b = newbind;
}
return b;
}
/********************************************************/
/* Goal Preparation */
/********************************************************/
/**
* <p>Add a variable value to the prepared call.</p>
*
* @param m The value skeleton.
* @param d The value display.
* @param en The engine.
*/
public final void addArgument(Object m, Display d, Engine en) {
BindCount b = new BindCount();
bind[lastalloc] = b;
bind[lastalloc].bindVar(m, d, en);
lastalloc++;
}
/**
* <p>Prepare the call.</p>
*
* @param en The engine.
*/
public final void setEngine(Engine en) {
number = en.number;
prune = this;
contskel = en.contskel;
contdisplay = en.contdisplay;
}
}

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