Mercurial > hg > graal-jvmci-8
diff graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/node/SpecializationMethodParser.java @ 10597:79041ab43660
Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
author | Christian Humer <christian.humer@gmail.com> |
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date | Mon, 01 Jul 2013 20:58:32 +0200 |
parents | |
children | 4830676526e3 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/node/SpecializationMethodParser.java Mon Jul 01 20:58:32 2013 +0200 @@ -0,0 +1,96 @@ +/* + * 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.node; + +import java.lang.annotation.*; +import java.util.*; + +import javax.lang.model.element.*; +import javax.lang.model.type.*; + +import com.oracle.truffle.api.dsl.*; +import com.oracle.truffle.dsl.processor.*; +import com.oracle.truffle.dsl.processor.template.*; + +public class SpecializationMethodParser extends NodeMethodParser<SpecializationData> { + + public SpecializationMethodParser(ProcessorContext context, NodeData operation) { + super(context, operation); + } + + @Override + public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) { + return createDefaultMethodSpec(method, mirror, true, null); + } + + @Override + public SpecializationData create(TemplateMethod method) { + return parseSpecialization(method); + } + + @Override + public Class<? extends Annotation> getAnnotationType() { + return Specialization.class; + } + + private SpecializationData parseSpecialization(TemplateMethod method) { + int order = Utils.getAnnotationValue(Integer.class, method.getMarkerAnnotation(), "order"); + if (order < 0 && order != Specialization.DEFAULT_ORDER) { + method.addError("Invalid order attribute %d. The value must be >= 0 or the default value."); + return null; + } + + AnnotationValue rewriteValue = Utils.getAnnotationValue(method.getMarkerAnnotation(), "rewriteOn"); + List<TypeMirror> exceptionTypes = Utils.getAnnotationValueList(TypeMirror.class, method.getMarkerAnnotation(), "rewriteOn"); + List<SpecializationThrowsData> exceptionData = new ArrayList<>(); + for (TypeMirror exceptionType : exceptionTypes) { + SpecializationThrowsData throwsData = new SpecializationThrowsData(method.getMarkerAnnotation(), rewriteValue, exceptionType); + if (!Utils.canThrowType(method.getMethod().getThrownTypes(), exceptionType)) { + throwsData.addError("Method must specify a throws clause with the exception type '%s'.", Utils.getQualifiedName(exceptionType)); + } + exceptionData.add(throwsData); + } + + Collections.sort(exceptionData, new Comparator<SpecializationThrowsData>() { + + @Override + public int compare(SpecializationThrowsData o1, SpecializationThrowsData o2) { + return Utils.compareByTypeHierarchy(o1.getJavaClass(), o2.getJavaClass()); + } + }); + SpecializationData specialization = new SpecializationData(method, order, exceptionData); + List<String> guardDefs = Utils.getAnnotationValueList(String.class, specialization.getMarkerAnnotation(), "guards"); + specialization.setGuardDefinitions(guardDefs); + + List<String> assumptionDefs = Utils.getAnnotationValueList(String.class, specialization.getMarkerAnnotation(), "assumptions"); + specialization.setAssumptions(assumptionDefs); + + for (String assumption : assumptionDefs) { + if (!getNode().getAssumptions().contains(assumption)) { + specialization.addError("Undeclared assumption '%s' used. Use @NodeAssumptions to declare them.", assumption); + } + } + + return specialization; + } +}