smetana.core.CArray Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of plantuml-lgpl Show documentation
PlantUML is a component that allows to quickly write diagrams from text.
There is a newer version: 1.2024.8
// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
 * |
 * |      PlantUML : a free UML diagram generator
 * |
 * +=======================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
 *
 * If you like this project or if you find it useful, you can support us at:
 *
 * https://plantuml.com/patreon (only 1$ per month!)
 * https://plantuml.com/liberapay (only 1€ per month!)
 * https://plantuml.com/paypal
 *
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PlantUML distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library.  If not, see .
 *
 * PlantUML can occasionally display sponsored or advertising messages. Those
 * messages are usually generated on welcome or error images and never on
 * functional diagrams.
 * See https://plantuml.com/professional if you want to remove them
 *
 * Images (whatever their format : PNG, SVG, EPS...) generated by running PlantUML
 * are owned by the author of their corresponding sources code (that is, their
 * textual description in PlantUML language). Those images are not covered by
 * this LGPL license.
 *
 * The generated images can then be used without any reference to the LGPL license.
 * It is not even necessary to stipulate that they have been generated with PlantUML,
 * although this will be appreciated by the PlantUML team.
 *
 * There is an exception : if the textual description in PlantUML language is also covered
 * by any license, then the generated images are logically covered
 * by the very same license.
 *
 * This is the IGY distribution (Install GraphViz by Yourself).
 * You have to install GraphViz and to setup the GRAPHVIZ_DOT environment variable
 * (see https://plantuml.com/graphviz-dot )
 *
 * Icons provided by OpenIconic :  https://useiconic.com/open
 * Archimate sprites provided by Archi :  http://www.archimatetool.com
 * Stdlib AWS provided by https://github.com/milo-minderbinder/AWS-PlantUML
 * Stdlib Icons provided https://github.com/tupadr3/plantuml-icon-font-sprites
 * ASCIIMathML (c) Peter Jipsen http://www.chapman.edu/~jipsen
 * ASCIIMathML (c) David Lippman http://www.pierce.ctc.edu/dlippman
 * CafeUndZopfli ported by Eugene Klyuchnikov https://github.com/eustas/CafeUndZopfli
 * Brotli (c) by the Brotli Authors https://github.com/google/brotli
 * Themes (c) by Brett Schwarz https://github.com/bschwarz/puml-themes
 * Twemoji (c) by Twitter at https://twemoji.twitter.com/
 *
 */

package smetana.core;

import com.plantuml.api.cheerpj.WasmLog;

final public class CArray extends UnsupportedC {

	private final ZType type;
	private final Object[] data;
	private final int offset;

	@Override
	public String toString() {
		return "Array " + type + " offset=" + offset + " [" + data.length + "]" + data;
	}

	public static  CArray ALLOC__(int size, ZType type) {
		// WasmLog.log("ALLOC " + size);
		final CArray result = new CArray(new Object[size], 0, type);
		for (int i = 0; i < size; i++)
			result.data[i] = type.create();
		return result;
	}

	public static  CArray REALLOC__(int size, CArray old, ZType type) {
		// WasmLog.log("REALLOC " + size);
		if (old == null)
			return ALLOC__(size, type);

		if (size <= old.data.length)
			return old;

		if (old.offset != 0)
			throw new IllegalStateException();

		WasmLog.log("Realloc from " + old.data.length + " to " + size);

		final CArray result = new CArray(new Object[size], 0, type);
		System.arraycopy(old.data, 0, result.data, 0, old.data.length);
		for (int i = old.data.length; i < result.data.length; i++)
			result.data[i] = type.create();
		return result;
	}

	private CArray(Object[] data, int offset, ZType type) {
		this.data = data;
		this.offset = offset;
		this.type = type;
	}

	public CArray plus_(int delta) {
		return new CArray(data, offset + delta, type);
	}

	public int minus_(CArray other) {
		if (this.data != other.data) {
			throw new IllegalArgumentException();
		}
		return this.offset - other.offset;
	}

	public O get__(int i) {
		return (O) data[i + offset];
	}

}