/*
* Copyright (c) 2012, 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.parser;
import java.lang.annotation.Annotation;
import javax.lang.model.element.AnnotationMirror;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.type.TypeMirror;
import com.oracle.truffle.api.dsl.TypeCast;
import com.oracle.truffle.dsl.processor.ProcessorContext;
import com.oracle.truffle.dsl.processor.java.ElementUtils;
import com.oracle.truffle.dsl.processor.model.MethodSpec;
import com.oracle.truffle.dsl.processor.model.ParameterSpec;
import com.oracle.truffle.dsl.processor.model.TemplateMethod;
import com.oracle.truffle.dsl.processor.model.TypeCastData;
import com.oracle.truffle.dsl.processor.model.TypeSystemData;
class TypeCastParser extends TypeSystemMethodParser<TypeCastData> {
TypeCastParser(ProcessorContext context, TypeSystemData typeSystem) {
super(context, typeSystem);
}
@Override
public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) {
TypeMirror targetTypeMirror = ElementUtils.getAnnotationValue(TypeMirror.class, mirror, "value");
ParameterSpec returnTypeSpec = new ParameterSpec("returnType", targetTypeMirror);
returnTypeSpec.setAllowSubclasses(false);
MethodSpec spec = new MethodSpec(returnTypeSpec);
spec.addRequired(new ParameterSpec("value", getContext().getType(Object.class)));
return spec;
}
@Override
public TypeCastData create(TemplateMethod method, boolean invalid) {
TypeMirror targetType = resolveCastOrCheck(method);
TypeMirror sourceType = getContext().getType(Object.class);
return new TypeCastData(method, sourceType, targetType);
}
@Override
public Class<? extends Annotation> getAnnotationType() {
return TypeCast.class;
}
}