Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/typesystem/TypeCastParser.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 |
parents | |
children | 6343a09b2ec1 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/typesystem/TypeCastParser.java Fri Dec 21 10:44:31 2012 -0800 @@ -0,0 +1,67 @@ +/* + * 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.typesystem; + +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.Cardinality; +import com.oracle.truffle.codegen.processor.template.ParameterSpec.Kind; + + +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, mirror, "as"); + if (targetType == null) { + return null; + } + List<ParameterSpec> specs = new ArrayList<>(); + specs.add(new ParameterSpec("value", getTypeSystem(), Kind.EXECUTE, false, Cardinality.ONE)); + ParameterSpec returnTypeSpec = new ParameterSpec("returnType", targetType.getPrimitiveType(), Kind.ATTRIBUTE, false); + MethodSpec spec = new MethodSpec(returnTypeSpec, specs); + return spec; + } + + @Override + public TypeCastData create(TemplateMethod method) { + TypeData targetType = findTypeByMethodName(method.getMethod(), method.getMarkerAnnotation(), "as"); + ActualParameter parameter = method.findParameter("value"); + return new TypeCastData(method, parameter.getActualTypeData(getTypeSystem()), targetType); + } + + @Override + public Class< ? extends Annotation> getAnnotationType() { + return TypeCast.class; + } +}