/*
* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.oracle.truffle.dsl.processor.model;
import java.util.Arrays;
import java.util.Collection;
import javax.lang.model.element.VariableElement;
import javax.lang.model.type.TypeMirror;
import com.oracle.truffle.dsl.processor.ProcessorContext;
import com.oracle.truffle.dsl.processor.java.ElementUtils;
import com.oracle.truffle.dsl.processor.model.MethodSpec.TypeDef;
public class ParameterSpec {
private final String name;
private final Collection<TypeMirror> allowedTypes;
private final boolean anyType;
/** Type is bound to local final variable. */
private boolean local;
private boolean signature;
private boolean allowSubclasses = true;
/** Optional bound execution of node. */
private NodeExecutionData execution;
private TypeDef typeDefinition;
public ParameterSpec(String name, Collection<TypeMirror> allowedTypes) {
this.name = name;
this.allowedTypes = allowedTypes;
boolean anyTypeTemp = false;
for (TypeMirror type : allowedTypes) {
if (ElementUtils.isObject(type)) {
anyTypeTemp = true;
break;
}
}
this.anyType = anyTypeTemp;
}
public boolean isCached() {
return false;
}
public ParameterSpec(ParameterSpec original, TypeMirror newType) {
this(original.name, newType);
this.local = original.local;
this.signature = original.signature;
this.execution = original.execution;
this.typeDefinition = original.typeDefinition;
this.allowSubclasses = original.allowSubclasses;
}
public ParameterSpec(String name, TypeMirror type) {
this(name, Arrays.asList(type));
}
public void setAllowSubclasses(boolean allowSubclasses) {
this.allowSubclasses = allowSubclasses;
}
public NodeExecutionData getExecution() {
return execution;
}
public void setExecution(NodeExecutionData executionData) {
this.execution = executionData;
this.signature = execution != null;
}
public void setSignature(boolean signature) {
this.signature = signature;
}
void setTypeDefinition(TypeDef typeDefinition) {
this.typeDefinition = typeDefinition;
}
TypeDef getTypeDefinition() {
return typeDefinition;
}
public void setLocal(boolean local) {
this.local = local;
}
public boolean isSignature() {
return signature;
}
public boolean isLocal() {
return local;
}
public String getName() {
return name;
}
public Collection<TypeMirror> getAllowedTypes() {
return allowedTypes;
}
public boolean matches(VariableElement variable) {
if (anyType) {
if (!allowSubclasses) {
if (allowedTypes.size() > 0 && !ElementUtils.typeEquals(allowedTypes.iterator().next(), variable.asType())) {
return false;
}
}
return true;
} else {
for (TypeMirror type : allowedTypes) {
if (ElementUtils.typeEquals(variable.asType(), type)) {
return true;
}
}
if (allowSubclasses) {
for (TypeMirror type : allowedTypes) {
if (ElementUtils.isSubtypeBoxed(ProcessorContext.getInstance(), variable.asType(), type)) {
return true;
}
}
}
}
return false;
}
@Override
public String toString() {
return toSignatureString(false);
}
public String toSignatureString(boolean typeOnly) {
StringBuilder builder = new StringBuilder();
if (typeDefinition != null) {
builder.append("<" + typeDefinition.getName() + ">");
} else if (getAllowedTypes().size() >= 1) {
builder.append(ElementUtils.getSimpleName(getAllowedTypes().iterator().next()));
} else {
builder.append("void");
}
if (!typeOnly) {
builder.append(" ");
builder.append(getName());
}
return builder.toString();
}
}