/*******************************************************************************
* PSHDL is a library and (trans-)compiler for PSHDL input. It generates
* output suitable for implementation or simulation of it.
*
* Copyright (C) 2014 Karsten Becker (feedback (at) pshdl (dot) org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* This License does not grant permission to use the trade names, trademarks,
* service marks, or product names of the Licensor, except as required for
* reasonable and customary use in describing the origin of the Work.
*
* Contributors:
* Karsten Becker - initial API and implementation
******************************************************************************/
package org.pshdl.model.impl;
import java.util.EnumSet;
import java.util.Iterator;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import org.pshdl.model.HDLClass;
import org.pshdl.model.HDLExpression;
import org.pshdl.model.HDLManip;
import org.pshdl.model.HDLManip.HDLManipType;
import org.pshdl.model.HDLObject;
import org.pshdl.model.HDLType;
import org.pshdl.model.IHDLObject;
import org.pshdl.model.utils.CopyFilter;
import com.google.common.collect.Iterators;
@SuppressWarnings("all")
public abstract class AbstractHDLManip extends HDLObject implements HDLExpression {
/**
* Constructs a new instance of {@link AbstractHDLManip}
*
* @param container
* the value for container. Can be <code>null</code>.
* @param type
* the value for type. Can <b>not</b> be <code>null</code>.
* @param target
* the value for target. Can <b>not</b> be <code>null</code>.
* @param castTo
* the value for castTo. Can be <code>null</code>.
* @param validate
* if <code>true</code> the parameters will be validated.
*/
public AbstractHDLManip(int id, @Nullable IHDLObject container, @Nonnull HDLManipType type, @Nonnull HDLExpression target, @Nullable HDLType castTo, boolean validate) {
super(id, container, validate);
if (validate) {
type = validateType(type);
}
this.type = type;
if (validate) {
target = validateTarget(target);
}
if (target != null) {
this.target = target;
} else {
this.target = null;
}
if (validate) {
castTo = validateCastTo(castTo);
}
if (castTo != null) {
this.castTo = castTo;
} else {
this.castTo = null;
}
}
public AbstractHDLManip() {
super();
this.type = null;
this.target = null;
this.castTo = null;
}
protected final HDLManipType type;
/**
* Get the type field. Can <b>not</b> be <code>null</code>.
*
* @return the field
*/
@Nonnull
public HDLManipType getType() {
return type;
}
protected HDLManipType validateType(HDLManipType type) {
if (type == null)
throw new IllegalArgumentException("The field type can not be null!");
return type;
}
protected final HDLExpression target;
/**
* Get the target field. Can <b>not</b> be <code>null</code>.
*
* @return the field
*/
@Nonnull
public HDLExpression getTarget() {
return target;
}
protected HDLExpression validateTarget(HDLExpression target) {
if (target == null)
throw new IllegalArgumentException("The field target can not be null!");
return target;
}
protected final HDLType castTo;
/**
* Get the castTo field. Can be <code>null</code>.
*
* @return the field
*/
@Nullable
public HDLType getCastTo() {
return castTo;
}
protected HDLType validateCastTo(HDLType castTo) {
return castTo;
}
/**
* Creates a copy of this class with the same fields.
*
* @return a new instance of this class.
*/
@Override
@Nonnull
public HDLManip copy() {
final HDLManip newObject = new HDLManip(id, null, type, target, castTo, false);
copyMetaData(this, newObject, false);
return newObject;
}
/**
* Creates a copy of this class with the same fields.
*
* @return a new instance of this class.
*/
@Override
@Nonnull
public HDLManip copyFiltered(CopyFilter filter) {
final HDLManipType filteredtype = filter.copyObject("type", this, type);
final HDLExpression filteredtarget = filter.copyObject("target", this, target);
final HDLType filteredcastTo = filter.copyObject("castTo", this, castTo);
return filter.postFilter((HDLManip) this, new HDLManip(id, null, filteredtype, filteredtarget, filteredcastTo, false));
}
/**
* Creates a deep copy of this class with the same fields and freezes it.
*
* @return a new instance of this class.
*/
@Override
@Nonnull
public HDLManip copyDeepFrozen(IHDLObject container) {
final HDLManip copy = copyFiltered(CopyFilter.DEEP_META);
copy.freeze(container);
return copy;
}
/**
* Setter for the field {@link #getContainer()}.
*
* @param container
* sets the new container of this object. Can be
* <code>null</code>.
* @return the same instance of {@link HDLManip} with the updated container
* field.
*/
@Override
@Nonnull
public HDLManip setContainer(@Nullable IHDLObject container) {
return (HDLManip) super.setContainer(container);
}
/**
* Setter for the field {@link #getType()}.
*
* @param type
* sets the new type of this object. Can <b>not</b> be
* <code>null</code>.
* @return a new instance of {@link HDLManip} with the updated type field.
*/
@Nonnull
public HDLManip setType(@Nonnull HDLManipType type) {
type = validateType(type);
final HDLManip res = new HDLManip(id, container, type, target, castTo, false);
return res;
}
/**
* Setter for the field {@link #getTarget()}.
*
* @param target
* sets the new target of this object. Can <b>not</b> be
* <code>null</code>.
* @return a new instance of {@link HDLManip} with the updated target field.
*/
@Nonnull
public HDLManip setTarget(@Nonnull HDLExpression target) {
target = validateTarget(target);
final HDLManip res = new HDLManip(id, container, type, target, castTo, false);
return res;
}
/**
* Setter for the field {@link #getCastTo()}.
*
* @param castTo
* sets the new castTo of this object. Can be <code>null</code>.
* @return a new instance of {@link HDLManip} with the updated castTo field.
*/
@Nonnull
public HDLManip setCastTo(@Nullable HDLType castTo) {
castTo = validateCastTo(castTo);
final HDLManip res = new HDLManip(id, container, type, target, castTo, false);
return res;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (!(obj instanceof AbstractHDLManip))
return false;
if (!super.equals(obj))
return false;
final AbstractHDLManip other = (AbstractHDLManip) obj;
if (type == null) {
if (other.type != null)
return false;
} else if (!type.equals(other.type))
return false;
if (target == null) {
if (other.target != null)
return false;
} else if (!target.equals(other.target))
return false;
if (castTo == null) {
if (other.castTo != null)
return false;
} else if (!castTo.equals(other.castTo))
return false;
return true;
}
private Integer hashCache;
@Override
public int hashCode() {
if (hashCache != null)
return hashCache;
int result = super.hashCode();
final int prime = 31;
result = (prime * result) + ((type == null) ? 0 : type.hashCode());
result = (prime * result) + ((target == null) ? 0 : target.hashCode());
result = (prime * result) + ((castTo == null) ? 0 : castTo.hashCode());
hashCache = result;
return result;
}
@Override
public String toConstructionString(String spacing) {
final boolean first = true;
final StringBuilder sb = new StringBuilder();
sb.append('\n').append(spacing).append("new HDLManip()");
if (type != null) {
sb.append("\n").append(spacing + "\t").append(".setType(HDLManipType.").append(type.name() + ")");
}
if (target != null) {
sb.append(".setTarget(").append(target.toConstructionString(spacing + "\t")).append(")");
}
if (castTo != null) {
sb.append(".setCastTo(").append(castTo.toConstructionString(spacing + "\t")).append(")");
}
return sb.toString();
}
@Override
public void validateAllFields(IHDLObject expectedParent, boolean checkResolve) {
super.validateAllFields(expectedParent, checkResolve);
validateType(getType());
validateTarget(getTarget());
if (getTarget() != null) {
getTarget().validateAllFields(this, checkResolve);
}
validateCastTo(getCastTo());
if (getCastTo() != null) {
getCastTo().validateAllFields(this, checkResolve);
}
}
@Override
public EnumSet<HDLClass> getClassSet() {
return EnumSet.of(HDLClass.HDLManip, HDLClass.HDLExpression, HDLClass.HDLObject);
}
@Override
public Iterator<IHDLObject> deepIterator() {
return new Iterator<IHDLObject>() {
private int pos = 0;
private Iterator<? extends IHDLObject> current;
@Override
public boolean hasNext() {
if ((current != null) && !current.hasNext()) {
current = null;
}
while (current == null) {
switch (pos++) {
case 0:
if (target != null) {
current = Iterators.concat(Iterators.forArray(target), target.deepIterator());
}
break;
case 1:
if (castTo != null) {
current = Iterators.concat(Iterators.forArray(castTo), castTo.deepIterator());
}
break;
default:
return false;
}
}
return (current != null) && current.hasNext();
}
@Override
public IHDLObject next() {
return current.next();
}
@Override
public void remove() {
throw new IllegalArgumentException("Not supported");
}
};
}
@Override
public Iterator<IHDLObject> iterator() {
return new Iterator<IHDLObject>() {
private int pos = 0;
private Iterator<? extends IHDLObject> current;
@Override
public boolean hasNext() {
if ((current != null) && !current.hasNext()) {
current = null;
}
while (current == null) {
switch (pos++) {
case 0:
if (target != null) {
current = Iterators.singletonIterator(target);
}
break;
case 1:
if (castTo != null) {
current = Iterators.singletonIterator(castTo);
}
break;
default:
return false;
}
}
return (current != null) && current.hasNext();
}
@Override
public IHDLObject next() {
return current.next();
}
@Override
public void remove() {
throw new IllegalArgumentException("Not supported");
}
};
}
}