/*******************************************************************************
* 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.ArrayList;
import java.util.EnumSet;
import java.util.Iterator;
import java.util.List;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import org.pshdl.model.HDLClass;
import org.pshdl.model.HDLEnum;
import org.pshdl.model.HDLExpression;
import org.pshdl.model.HDLValueType;
import org.pshdl.model.HDLVariable;
import org.pshdl.model.IHDLObject;
import org.pshdl.model.utils.CopyFilter;
import com.google.common.collect.Iterators;
import com.google.common.collect.Lists;
@SuppressWarnings("all")
public abstract class AbstractHDLEnum extends HDLValueType {
/**
* Constructs a new instance of {@link AbstractHDLEnum}
*
* @param container
* the value for container. Can be <code>null</code>.
* @param name
* the value for name. Can <b>not</b> be <code>null</code>.
* @param dim
* the value for dim. Can be <code>null</code>.
* @param enums
* the value for enums. Can <b>not</b> be <code>null</code>,
* additionally the collection must contain at least one element.
* @param validate
* if <code>true</code> the parameters will be validated.
*/
public AbstractHDLEnum(int id, @Nullable IHDLObject container, @Nonnull String name, @Nullable Iterable<HDLExpression> dim, @Nonnull Iterable<HDLVariable> enums,
boolean validate) {
super(id, container, name, dim, validate);
if (validate) {
enums = validateEnums(enums);
}
this.enums = new ArrayList<HDLVariable>();
if (enums != null) {
for (final HDLVariable newValue : enums) {
this.enums.add(newValue);
}
}
}
public AbstractHDLEnum() {
super();
this.enums = new ArrayList<HDLVariable>();
}
protected final ArrayList<HDLVariable> enums;
/**
* Get the enums field. Can <b>not</b> be <code>null</code>, additionally
* the collection must contain at least one element.
*
* @return a clone of the field. Will never return <code>null</code>.
*/
@Nonnull
public ArrayList<HDLVariable> getEnums() {
return (ArrayList<HDLVariable>) enums.clone();
}
protected Iterable<HDLVariable> validateEnums(Iterable<HDLVariable> enums) {
if (enums == null)
throw new IllegalArgumentException("The field enums can not be null!");
if (!enums.iterator().hasNext())
throw new IllegalArgumentException("The field enums must contain at least one item!");
return enums;
}
/**
* Creates a copy of this class with the same fields.
*
* @return a new instance of this class.
*/
@Override
@Nonnull
public HDLEnum copy() {
final HDLEnum newObject = new HDLEnum(id, null, name, dim, enums, 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 HDLEnum copyFiltered(CopyFilter filter) {
final String filteredname = filter.copyObject("name", this, name);
final ArrayList<HDLExpression> filtereddim = filter.copyContainer("dim", this, dim);
final ArrayList<HDLVariable> filteredenums = filter.copyContainer("enums", this, enums);
return filter.postFilter((HDLEnum) this, new HDLEnum(id, null, filteredname, filtereddim, filteredenums, 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 HDLEnum copyDeepFrozen(IHDLObject container) {
final HDLEnum 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 HDLEnum} with the updated container
* field.
*/
@Override
@Nonnull
public HDLEnum setContainer(@Nullable IHDLObject container) {
return (HDLEnum) super.setContainer(container);
}
/**
* Setter for the field {@link #getName()}.
*
* @param name
* sets the new name of this object. Can <b>not</b> be
* <code>null</code>.
* @return a new instance of {@link HDLEnum} with the updated name field.
*/
@Override
@Nonnull
public HDLEnum setName(@Nonnull String name) {
name = validateName(name);
final HDLEnum res = new HDLEnum(id, container, name, dim, enums, false);
return res;
}
/**
* Setter for the field {@link #getDim()}.
*
* @param dim
* sets the new dim of this object. Can be <code>null</code>.
* @return a new instance of {@link HDLEnum} with the updated dim field.
*/
@Override
@Nonnull
public HDLEnum setDim(@Nullable Iterable<HDLExpression> dim) {
dim = validateDim(dim);
final HDLEnum res = new HDLEnum(id, container, name, dim, enums, false);
return res;
}
/**
* Adds a new value to the field {@link #getDim()}.
*
* @param newDim
* the value that should be added to the field {@link #getDim()}
* @return a new instance of {@link HDLEnum} with the updated dim field.
*/
@Override
@Nonnull
public HDLEnum addDim(@Nullable HDLExpression newDim) {
if (newDim == null)
throw new IllegalArgumentException("Element of dim can not be null!");
final ArrayList<HDLExpression> dim = (ArrayList<HDLExpression>) this.dim.clone();
dim.add(newDim);
final HDLEnum res = new HDLEnum(id, container, name, dim, enums, false);
return res;
}
/**
* Removes a value from the field {@link #getDim()}.
*
* @param newDim
* the value that should be removed from the field
* {@link #getDim()}
* @return a new instance of {@link HDLEnum} with the updated dim field.
*/
@Override
@Nonnull
public HDLEnum removeDim(@Nullable HDLExpression newDim) {
if (newDim == null)
throw new IllegalArgumentException("Removed element of dim can not be null!");
final ArrayList<HDLExpression> dim = (ArrayList<HDLExpression>) this.dim.clone();
dim.remove(newDim);
final HDLEnum res = new HDLEnum(id, container, name, dim, enums, false);
return res;
}
/**
* Removes a value from the field {@link #getDim()}.
*
* @param idx
* the index of the value that should be removed from the field
* {@link #getDim()}
* @return a new instance of {@link HDLEnum} with the updated dim field.
*/
@Nonnull
public HDLEnum removeDim(int idx) {
final ArrayList<HDLExpression> dim = (ArrayList<HDLExpression>) this.dim.clone();
dim.remove(idx);
final HDLEnum res = new HDLEnum(id, container, name, dim, enums, false);
return res;
}
/**
* Setter for the field {@link #getEnums()}.
*
* @param enums
* sets the new enums of this object. Can <b>not</b> be
* <code>null</code>, additionally the collection must contain at
* least one element.
* @return a new instance of {@link HDLEnum} with the updated enums field.
*/
@Nonnull
public HDLEnum setEnums(@Nonnull Iterable<HDLVariable> enums) {
enums = validateEnums(enums);
final HDLEnum res = new HDLEnum(id, container, name, dim, enums, false);
return res;
}
/**
* Adds a new value to the field {@link #getEnums()}.
*
* @param newEnums
* the value that should be added to the field
* {@link #getEnums()}
* @return a new instance of {@link HDLEnum} with the updated enums field.
*/
@Nonnull
public HDLEnum addEnums(@Nonnull HDLVariable newEnums) {
if (newEnums == null)
throw new IllegalArgumentException("Element of enums can not be null!");
final ArrayList<HDLVariable> enums = (ArrayList<HDLVariable>) this.enums.clone();
enums.add(newEnums);
final HDLEnum res = new HDLEnum(id, container, name, dim, enums, false);
return res;
}
/**
* Removes a value from the field {@link #getEnums()}.
*
* @param newEnums
* the value that should be removed from the field
* {@link #getEnums()}
* @return a new instance of {@link HDLEnum} with the updated enums field.
*/
@Nonnull
public HDLEnum removeEnums(@Nonnull HDLVariable newEnums) {
if (newEnums == null)
throw new IllegalArgumentException("Removed element of enums can not be null!");
final ArrayList<HDLVariable> enums = (ArrayList<HDLVariable>) this.enums.clone();
enums.remove(newEnums);
final HDLEnum res = new HDLEnum(id, container, name, dim, enums, false);
return res;
}
/**
* Removes a value from the field {@link #getEnums()}.
*
* @param idx
* the index of the value that should be removed from the field
* {@link #getEnums()}
* @return a new instance of {@link HDLEnum} with the updated enums field.
*/
@Nonnull
public HDLEnum removeEnums(int idx) {
final ArrayList<HDLVariable> enums = (ArrayList<HDLVariable>) this.enums.clone();
enums.remove(idx);
final HDLEnum res = new HDLEnum(id, container, name, dim, enums, false);
return res;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (!(obj instanceof AbstractHDLEnum))
return false;
if (!super.equals(obj))
return false;
final AbstractHDLEnum other = (AbstractHDLEnum) obj;
if (enums == null) {
if (other.enums != null)
return false;
} else if (!enums.equals(other.enums))
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) + ((enums == null) ? 0 : enums.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 HDLEnum()");
if (name != null) {
sb.append(".setName(").append('"' + name + '"').append(")");
}
if (dim != null) {
if (dim.size() > 0) {
sb.append('\n').append(spacing);
for (final HDLExpression o : dim) {
sb.append(".addDim(").append(o.toConstructionString(spacing + "\t\t"));
sb.append('\n').append(spacing).append(")");
}
}
}
if (enums != null) {
if (enums.size() > 0) {
sb.append('\n').append(spacing);
for (final HDLVariable o : enums) {
sb.append(".addEnums(").append(o.toConstructionString(spacing + "\t\t"));
sb.append('\n').append(spacing).append(")");
}
}
}
return sb.toString();
}
@Override
public void validateAllFields(IHDLObject expectedParent, boolean checkResolve) {
super.validateAllFields(expectedParent, checkResolve);
validateEnums(getEnums());
if (getEnums() != null) {
for (final HDLVariable o : getEnums()) {
o.validateAllFields(this, checkResolve);
}
}
}
@Override
public EnumSet<HDLClass> getClassSet() {
return EnumSet.of(HDLClass.HDLEnum, HDLClass.HDLValueType, HDLClass.HDLType, 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 ((dim != null) && (dim.size() != 0)) {
final List<Iterator<? extends IHDLObject>> iters = Lists.newArrayListWithCapacity(dim.size());
for (final HDLExpression o : dim) {
iters.add(Iterators.forArray(o));
iters.add(o.deepIterator());
}
current = Iterators.concat(iters.iterator());
}
break;
case 1:
if ((enums != null) && (enums.size() != 0)) {
final List<Iterator<? extends IHDLObject>> iters = Lists.newArrayListWithCapacity(enums.size());
for (final HDLVariable o : enums) {
iters.add(Iterators.forArray(o));
iters.add(o.deepIterator());
}
current = Iterators.concat(iters.iterator());
}
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 ((dim != null) && (dim.size() != 0)) {
current = dim.iterator();
}
break;
case 1:
if ((enums != null) && (enums.size() != 0)) {
current = enums.iterator();
}
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");
}
};
}
}