Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/parser/TypeCastParser.java @ 16923:93e061157811
Truffle-DSL: better support for types with type arguments.
author | Christian Humer <christian.humer@gmail.com> |
---|---|
date | Mon, 25 Aug 2014 20:59:56 +0200 |
parents | 0370880ac9ce |
children | 3912400fc33a |
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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.dsl.processor.parser; import java.lang.annotation.*; import javax.lang.model.element.*; 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.*; class TypeCastParser extends TypeSystemMethodParser<TypeCastData> { public TypeCastParser(ProcessorContext context, TypeSystemData typeSystem) { super(context, typeSystem); } @Override public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) { TypeData targetType = findTypeByMethodName(method.getSimpleName().toString(), "as"); if (targetType == null) { return null; } MethodSpec spec = new MethodSpec(new ParameterSpec("returnType", targetType.getPrimitiveType())); spec.addRequired(new ParameterSpec("value", getTypeSystem().getPrimitiveTypeMirrors(), getTypeSystem().getTypeIdentifiers())); return spec; } @Override public TypeCastData create(TemplateMethod method, boolean invalid) { if (invalid) { return new TypeCastData(method, null, null); } TypeData targetType = findTypeByMethodName(method, "as"); Parameter parameter = method.findParameter("valueValue"); TypeData sourceType = null; if (parameter != null) { sourceType = getTypeSystem().findTypeData(parameter.getType()); } TypeCastData cast = new TypeCastData(method, sourceType, targetType); if (targetType != method.getReturnType().getTypeSystemType()) { cast.addError("Cast type %s does not match to the returned type %s.", ElementUtils.getSimpleName(targetType.getPrimitiveType()), method.getReturnType() != null ? ElementUtils.getSimpleName(method.getReturnType().getTypeSystemType().getPrimitiveType()) : null); } return cast; } @Override public Class<? extends Annotation> getAnnotationType() { return TypeCast.class; } }