Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/template/TemplateParser.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 |
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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/template/TemplateParser.java Mon Jul 01 20:58:32 2013 +0200 @@ -0,0 +1,60 @@ +/* + * 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.template; + +import java.util.*; + +import javax.lang.model.element.*; +import javax.lang.model.util.*; + +import com.oracle.truffle.dsl.processor.*; + +public abstract class TemplateParser<M extends Template> extends AbstractParser<M> { + + public TemplateParser(ProcessorContext c) { + super(c); + } + + protected void verifyExclusiveMethodAnnotation(Template template, Class<?>... annotationTypes) { + List<ExecutableElement> methods = ElementFilter.methodsIn(template.getTemplateType().getEnclosedElements()); + for (ExecutableElement method : methods) { + List<AnnotationMirror> foundAnnotations = new ArrayList<>(); + for (int i = 0; i < annotationTypes.length; i++) { + Class<?> annotationType = annotationTypes[i]; + AnnotationMirror mirror = Utils.findAnnotationMirror(context.getEnvironment(), method, annotationType); + if (mirror != null) { + foundAnnotations.add(mirror); + } + } + if (foundAnnotations.size() > 1) { + List<String> annotationNames = new ArrayList<>(); + for (AnnotationMirror mirror : foundAnnotations) { + annotationNames.add("@" + Utils.getSimpleName(mirror.getAnnotationType())); + } + + template.addError("Non exclusive usage of annotations %s.", annotationNames); + } + } + } + +}