Mercurial > hg > truffle
diff truffle/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/parser/ImplicitCastParser.java @ 21951:9c8c0937da41
Moving all sources into truffle subdirectory
author | Jaroslav Tulach <jaroslav.tulach@oracle.com> |
---|---|
date | Wed, 17 Jun 2015 10:58:08 +0200 |
parents | graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/parser/ImplicitCastParser.java@18c0f02fa4d2 |
children | dc83cc1f94f2 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/truffle/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/parser/ImplicitCastParser.java Wed Jun 17 10:58:08 2015 +0200 @@ -0,0 +1,75 @@ +/* + * 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.*; + +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.java.*; +import com.oracle.truffle.dsl.processor.model.*; + +public class ImplicitCastParser extends TypeSystemMethodParser<ImplicitCastData> { + + public ImplicitCastParser(ProcessorContext context, TypeSystemData typeSystem) { + super(context, typeSystem); + } + + @Override + public Class<? extends Annotation> getAnnotationType() { + return ImplicitCast.class; + } + + @Override + public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) { + MethodSpec spec = new MethodSpec(new ParameterSpec("target", getContext().getType(Object.class))); + spec.addRequired(new ParameterSpec("source", getContext().getType(Object.class))).setSignature(true); + return spec; + } + + @Override + public ImplicitCastData create(TemplateMethod method, boolean invalid) { + if (invalid) { + return new ImplicitCastData(method, null, null); + } + + Parameter target = method.findParameter("targetValue"); + Parameter source = method.findParameter("sourceValue"); + + TypeMirror targetType = target.getType(); + TypeMirror sourceType = source.getType(); + + if (ElementUtils.typeEquals(targetType, sourceType)) { + method.addError("Target type and source type of an @%s must not be the same type.", ImplicitCast.class.getSimpleName()); + } + + if (!method.getMethod().getModifiers().contains(Modifier.STATIC)) { + method.addError("@%s annotated method %s must be static.", ImplicitCast.class.getSimpleName(), method.getMethodName()); + } + + return new ImplicitCastData(method, sourceType, targetType); + } +}