/*******************************************************************************
* 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.HDLExpression;
import org.pshdl.model.HDLPrimitive;
import org.pshdl.model.HDLPrimitive.HDLPrimitiveType;
import org.pshdl.model.HDLValueType;
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 AbstractHDLPrimitive extends HDLValueType {
/**
* Constructs a new instance of {@link AbstractHDLPrimitive}
*
* @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 type
* the value for type. Can <b>not</b> be <code>null</code>.
* @param width
* the value for width. Can be <code>null</code>.
* @param validate
* if <code>true</code> the parameters will be validated.
*/
public AbstractHDLPrimitive(int id, @Nullable IHDLObject container, @Nonnull String name, @Nullable Iterable<HDLExpression> dim, @Nonnull HDLPrimitiveType type,
@Nullable HDLExpression width, boolean validate) {
super(id, container, name, dim, validate);
if (validate) {
type = validateType(type);
}
this.type = type;
if (validate) {
width = validateWidth(width);
}
if (width != null) {
this.width = width;
} else {
this.width = null;
}
}
public AbstractHDLPrimitive() {
super();
this.type = null;
this.width = null;
}
protected final HDLPrimitiveType type;
/**
* Get the type field. Can <b>not</b> be <code>null</code>.
*
* @return the field
*/
@Override
@Nonnull
public HDLPrimitiveType getType() {
return type;
}
protected HDLPrimitiveType validateType(HDLPrimitiveType type) {
if (type == null)
throw new IllegalArgumentException("The field type can not be null!");
return type;
}
protected final HDLExpression width;
/**
* Get the width field. Can be <code>null</code>.
*
* @return the field
*/
@Override
@Nullable
public HDLExpression getWidth() {
return width;
}
protected HDLExpression validateWidth(HDLExpression width) {
return width;
}
/**
* Creates a copy of this class with the same fields.
*
* @return a new instance of this class.
*/
@Override
@Nonnull
public HDLPrimitive copy() {
final HDLPrimitive newObject = new HDLPrimitive(id, null, name, dim, type, width, 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 HDLPrimitive copyFiltered(CopyFilter filter) {
final String filteredname = filter.copyObject("name", this, name);
final ArrayList<HDLExpression> filtereddim = filter.copyContainer("dim", this, dim);
final HDLPrimitiveType filteredtype = filter.copyObject("type", this, type);
final HDLExpression filteredwidth = filter.copyObject("width", this, width);
return filter.postFilter((HDLPrimitive) this, new HDLPrimitive(id, null, filteredname, filtereddim, filteredtype, filteredwidth, 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 HDLPrimitive copyDeepFrozen(IHDLObject container) {
final HDLPrimitive 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 HDLPrimitive} with the updated
* container field.
*/
@Override
@Nonnull
public HDLPrimitive setContainer(@Nullable IHDLObject container) {
return (HDLPrimitive) 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 HDLPrimitive} with the updated name
* field.
*/
@Override
@Nonnull
public HDLPrimitive setName(@Nonnull String name) {
name = validateName(name);
final HDLPrimitive res = new HDLPrimitive(id, container, name, dim, type, width, 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 HDLPrimitive} with the updated dim
* field.
*/
@Override
@Nonnull
public HDLPrimitive setDim(@Nullable Iterable<HDLExpression> dim) {
dim = validateDim(dim);
final HDLPrimitive res = new HDLPrimitive(id, container, name, dim, type, width, 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 HDLPrimitive} with the updated dim
* field.
*/
@Override
@Nonnull
public HDLPrimitive 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 HDLPrimitive res = new HDLPrimitive(id, container, name, dim, type, width, 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 HDLPrimitive} with the updated dim
* field.
*/
@Override
@Nonnull
public HDLPrimitive 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 HDLPrimitive res = new HDLPrimitive(id, container, name, dim, type, width, 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 HDLPrimitive} with the updated dim
* field.
*/
@Nonnull
public HDLPrimitive removeDim(int idx) {
final ArrayList<HDLExpression> dim = (ArrayList<HDLExpression>) this.dim.clone();
dim.remove(idx);
final HDLPrimitive res = new HDLPrimitive(id, container, name, dim, type, width, false);
return res;
}
/**
* 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 HDLPrimitive} with the updated type
* field.
*/
@Nonnull
public HDLPrimitive setType(@Nonnull HDLPrimitiveType type) {
type = validateType(type);
final HDLPrimitive res = new HDLPrimitive(id, container, name, dim, type, width, false);
return res;
}
/**
* Setter for the field {@link #getWidth()}.
*
* @param width
* sets the new width of this object. Can be <code>null</code>.
* @return a new instance of {@link HDLPrimitive} with the updated width
* field.
*/
@Nonnull
public HDLPrimitive setWidth(@Nullable HDLExpression width) {
width = validateWidth(width);
final HDLPrimitive res = new HDLPrimitive(id, container, name, dim, type, width, false);
return res;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (!(obj instanceof AbstractHDLPrimitive))
return false;
if (!super.equals(obj))
return false;
final AbstractHDLPrimitive other = (AbstractHDLPrimitive) obj;
if (type == null) {
if (other.type != null)
return false;
} else if (!type.equals(other.type))
return false;
if (width == null) {
if (other.width != null)
return false;
} else if (!width.equals(other.width))
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) + ((width == null) ? 0 : width.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 HDLPrimitive()");
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 (type != null) {
sb.append("\n").append(spacing + "\t").append(".setType(HDLPrimitiveType.").append(type.name() + ")");
}
if (width != null) {
sb.append(".setWidth(").append(width.toConstructionString(spacing + "\t")).append(")");
}
return sb.toString();
}
@Override
public void validateAllFields(IHDLObject expectedParent, boolean checkResolve) {
super.validateAllFields(expectedParent, checkResolve);
validateType(getType());
validateWidth(getWidth());
if (getWidth() != null) {
getWidth().validateAllFields(this, checkResolve);
}
}
@Override
public EnumSet<HDLClass> getClassSet() {
return EnumSet.of(HDLClass.HDLPrimitive, 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 (width != null) {
current = Iterators.concat(Iterators.forArray(width), width.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 ((dim != null) && (dim.size() != 0)) {
current = dim.iterator();
}
break;
case 1:
if (width != null) {
current = Iterators.singletonIterator(width);
}
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");
}
};
}
}