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view graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/operation/ShortCircuitParser.java @ 7291:a748e4d44694
Truffle API to specify type-specalized Node classes; annotation processor for automatic code generation of the type-specialized Node classes during the build process
author | Christian Humer <christian.humer@gmail.com> |
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date | Fri, 21 Dec 2012 10:44:31 -0800 |
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/* * 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.codegen.processor.operation; import java.lang.annotation.*; import java.util.*; import javax.lang.model.element.*; import com.oracle.truffle.api.codegen.*; import com.oracle.truffle.codegen.processor.*; import com.oracle.truffle.codegen.processor.template.*; import com.oracle.truffle.codegen.processor.template.ParameterSpec.Kind; public class ShortCircuitParser extends OperationMethodParser<ShortCircuitData> { private final Set<String> shortCircuitValues; public ShortCircuitParser(ProcessorContext context, OperationData operation) { super(context, operation); shortCircuitValues = new HashSet<>(Arrays.asList(operation.getShortCircuitValues())); } @Override public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) { String shortCircuitValue = Utils.getAnnotationValueString(mirror, "value"); if (!shortCircuitValues.contains(shortCircuitValue)) { getContext().getLog().error(method, mirror, "Invalid short circuit value %s.", shortCircuitValue); return null; } return createDefaultMethodSpec(shortCircuitValue); } @Override protected ParameterSpec createReturnParameterSpec() { return new ParameterSpec("has", getContext().getType(boolean.class), Kind.SHORT_CIRCUIT, false); } @Override public ShortCircuitData create(TemplateMethod method) { String shortCircuitValue = Utils.getAnnotationValueString(method.getMarkerAnnotation(), "value"); assert shortCircuitValue != null; assert shortCircuitValues.contains(shortCircuitValue); return new ShortCircuitData(method, shortCircuitValue); } @Override public Class< ? extends Annotation> getAnnotationType() { return ShortCircuit.class; } }