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comparison graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/typesystem/TypeCheckParser.java @ 7291:a748e4d44694

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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>
date Fri, 21 Dec 2012 10:44:31 -0800
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children 6343a09b2ec1
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7290:a81db08fe930 7291:a748e4d44694
1 /*
2 * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.oracle.truffle.codegen.processor.typesystem;
24
25 import java.lang.annotation.*;
26 import java.util.*;
27
28 import javax.lang.model.element.*;
29
30 import com.oracle.truffle.api.codegen.*;
31 import com.oracle.truffle.codegen.processor.*;
32 import com.oracle.truffle.codegen.processor.template.*;
33 import com.oracle.truffle.codegen.processor.template.ParameterSpec.Cardinality;
34 import com.oracle.truffle.codegen.processor.template.ParameterSpec.Kind;
35
36 class TypeCheckParser extends TypeSystemMethodParser<TypeCheckData> {
37
38 public TypeCheckParser(ProcessorContext context, TypeSystemData typeSystem) {
39 super(context, typeSystem);
40 }
41
42 @Override
43 public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) {
44 TypeData targetType = findTypeByMethodName(method, mirror, "is");
45 if (targetType == null) {
46 return null;
47 }
48 List<ParameterSpec> specs = new ArrayList<>();
49 specs.add(new ParameterSpec("value", getTypeSystem(), Kind.EXECUTE, false, Cardinality.ONE));
50 ParameterSpec returnTypeSpec = new ParameterSpec("returnType", getContext().getType(boolean.class), Kind.ATTRIBUTE, false);
51 MethodSpec spec = new MethodSpec(returnTypeSpec, specs);
52 return spec;
53 }
54
55 @Override
56 public TypeCheckData create(TemplateMethod method) {
57 TypeData checkedType = findTypeByMethodName(method.getMethod(), method.getMarkerAnnotation(), "is");
58 assert checkedType != null;
59 ActualParameter parameter = method.findParameter("value");
60 assert parameter != null;
61 return new TypeCheckData(method, checkedType, parameter.getActualTypeData(getTypeSystem()));
62 }
63
64 @Override
65 public Class< ? extends Annotation> getAnnotationType() {
66 return TypeCheck.class;
67 }
68 }