/*
* 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;
import com.jogamp.gluegen.ASTLocusTag;
public class PointerType extends Type implements Cloneable {
private final Type targetType;
public PointerType(final SizeThunk size, final Type targetType, final int cvAttributes) {
this(size, targetType, cvAttributes, null);
}
public PointerType(final SizeThunk size, final Type targetType, final int cvAttributes, final ASTLocusTag astLocus) {
// can pass null for the final name parameter because the PointerType's getName()
// completely replaces superclass behavior
super(targetType.getName() + " *", size, cvAttributes, astLocus);
this.targetType = targetType;
}
private PointerType(final PointerType o, final int cvAttributes, final ASTLocusTag astLocus) {
super(o, cvAttributes, astLocus);
targetType = o.targetType;
}
@Override
Type newVariantImpl(final boolean newCVVariant, final int cvAttributes, final ASTLocusTag astLocus) {
return new PointerType(this, cvAttributes, astLocus);
}
@Override
protected int hashCodeImpl() {
return targetType.hashCode();
}
@Override
protected boolean equalsImpl(final Type arg) {
final PointerType t = (PointerType) arg;
return targetType.equals(t.targetType);
}
@Override
protected int hashCodeSemanticsImpl() {
return targetType.hashCodeSemantics();
}
@Override
protected boolean equalSemanticsImpl(final Type arg) {
final PointerType pt = (PointerType) arg;
return targetType.equalSemantics(pt.targetType);
}
@Override
public boolean isAnon() {
if ( isTypedef() ) {
return super.isAnon();
} else {
return targetType.isAnon();
}
}
@Override
public String getName(final boolean includeCVAttrs) {
if ( isTypedef() ) {
return super.getName(includeCVAttrs);
} else if (!includeCVAttrs) {
return targetType.getName(includeCVAttrs) + " *";
} else {
return targetType.getName(includeCVAttrs) + " * " + getCVAttributesString();
}
}
@Override
public String getCName(final boolean includeCVAttrs) {
if ( isTypedef() ) {
return super.getCName(includeCVAttrs);
} else if (!includeCVAttrs) {
return targetType.getCName(includeCVAttrs) + " *";
} else {
return targetType.getCName(includeCVAttrs) + " * " + getCVAttributesString();
}
}
@Override
public final PointerType asPointer() {
return this;
}
@Override
public final Type getTargetType() {
return targetType;
}
@Override
public final Type getBaseElementType() {
return targetType.getBaseElementType();
}
@Override
public final boolean isFunctionPointer() {
return targetType.isFunction();
}
@Override
public final int pointerDepth() {
return 1 + targetType.pointerDepth();
}
@Override
public String toString() {
if ( isTypedef() ) {
return super.getCName(true);
} else {
return toStringInt();
}
}
private String toStringInt() {
if (!targetType.isFunction()) {
return targetType.getCName(true) + " * " + getCVAttributesString();
} else {
// return toString(null, null); // this is a pointer to an unnamed function
return ((FunctionType) targetType).toString(null /* functionName */, null /* callingConvention */, false, true);
}
}
/** 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("<Internal error or misuse> 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);
}
}