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/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
* Copyright (c) 2010 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
* ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
* DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*
* Sun gratefully acknowledges that this software was originally authored
* and developed by Kenneth Bradley Russell and Christopher John Kline.
*/
package com.jogamp.gluegen.cgram.types;
public class PointerType extends Type implements Cloneable {
private final Type targetType;
private String computedName;
private boolean hasTypedefedName;
public PointerType(final SizeThunk size, final Type targetType, final int cvAttributes) {
// can pass null for the final name parameter because the PointerType's getName()
// completely replaces superclass behavior
this(size, targetType, cvAttributes, false, null);
}
private PointerType(final SizeThunk size, final Type targetType, final int cvAttributes, final boolean hasTypedefedName, final String typedefedName) {
super(targetType.getName() + " *", size, cvAttributes);
this.hasTypedefedName = false;
this.targetType = targetType;
if (hasTypedefedName) {
setName(typedefedName);
}
}
@Override
public int hashCode() {
return targetType.hashCode();
}
@Override
public boolean equals(final Object arg) {
if (arg == this) {
return true;
}
if (arg == null || (!(arg instanceof PointerType))) {
return false;
}
final PointerType t = (PointerType) arg;
// Note we ignore the name of this type (which might be a typedef
// name) for comparison purposes because this is what allows
// e.g. a newly-fabricated type "PIXELFORMATDESCRIPTOR *" to be
// canonicalized to e.g. "LPPIXELFORMATDESCRIPTOR"
return ((getSize() == t.getSize())
&& (getCVAttributes() == t.getCVAttributes())
&& targetType.equals(t.targetType));
}
@Override
public void setName(final String name) {
super.setName(name);
hasTypedefedName = true;
}
@Override
public String getName(final boolean includeCVAttrs) {
if (hasTypedefedName) {
return super.getName(includeCVAttrs);
} else {
// Lazy computation of name due to lazy setting of compound type
// names during parsing
if (computedName == null) {
computedName = (targetType.getName(includeCVAttrs) + " *").intern();
}
if (!includeCVAttrs) {
return computedName;
}
return targetType.getName(includeCVAttrs) + " * " + getCVAttributesString();
}
}
public boolean hasTypedefedName() {
return hasTypedefedName;
}
@Override
public PointerType asPointer() {
return this;
}
public Type getTargetType() {
return targetType;
}
@Override
public Type getBaseElementType() {
/**
if(targetType.isPointer()) {
return ((PointerType)targetType).getBaseElementType();
} else {
return targetType;
} */
return targetType.getBaseElementType();
}
@Override
public boolean isFunctionPointer() {
return targetType.isFunction();
}
@Override
public String toString() {
if (hasTypedefedName) {
return super.getName(true);
} else {
if (!targetType.isFunction()) {
return targetType.toString() + " * " + getCVAttributesString();
}
return toString(null, null); // this is a pointer to an unnamed function
}
}
/** For use only when printing function pointers. Calling convention
string (i.e., "__stdcall") is optional and is generally only
needed on Windows. */
public String toString(final String functionName, final String callingConvention) {
if (!targetType.isFunction()) {
throw new RuntimeException(" This method is only for use when printing function pointers");
}
return ((FunctionType) targetType).toString(functionName, callingConvention, false, true);
}
@Override
public void visit(final TypeVisitor arg) {
super.visit(arg);
targetType.visit(arg);
}
@Override
Type newCVVariant(final int cvAttributes) {
return new PointerType(getSize(), targetType, cvAttributes, hasTypedefedName, (hasTypedefedName ? getName() : null));
}
}