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comparison graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/parser/ImplicitCastParser.java @ 16759:23415229349b

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Truffle-DSL: new package structure.
author Christian Humer <christian.humer@gmail.com>
date Mon, 11 Aug 2014 15:57:14 +0200
parents graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/typesystem/ImplicitCastParser.java@25ecb47a6d0e
children 0370880ac9ce
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16758:c5f8eeb3cbc8 16759:23415229349b
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.dsl.processor.parser;
24
25 import java.lang.annotation.*;
26 import java.util.*;
27
28 import javax.lang.model.element.*;
29 import javax.lang.model.type.*;
30
31 import com.oracle.truffle.api.dsl.*;
32 import com.oracle.truffle.dsl.processor.*;
33 import com.oracle.truffle.dsl.processor.model.*;
34
35 public class ImplicitCastParser extends TypeSystemMethodParser<ImplicitCastData> {
36
37 public ImplicitCastParser(ProcessorContext context, TypeSystemData typeSystem) {
38 super(context, typeSystem);
39 }
40
41 @Override
42 public Class<? extends Annotation> getAnnotationType() {
43 return ImplicitCast.class;
44 }
45
46 @Override
47 public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) {
48 List<TypeMirror> types = new ArrayList<>();
49 for (TypeData typeData : getTypeSystem().getTypes()) {
50 types.add(typeData.getPrimitiveType());
51 }
52 MethodSpec spec = new MethodSpec(new ParameterSpec("target", types));
53 spec.addRequired(new ParameterSpec("source", types));
54 return spec;
55 }
56
57 @Override
58 public ImplicitCastData create(TemplateMethod method, boolean invalid) {
59 if (invalid) {
60 return new ImplicitCastData(method, null, null);
61 }
62
63 Parameter target = method.findParameter("targetValue");
64 Parameter source = method.findParameter("sourceValue");
65
66 TypeData targetType = target.getTypeSystemType();
67 TypeData sourceType = source.getTypeSystemType();
68
69 if (targetType.equals(sourceType)) {
70 method.addError("Target type and source type of an @%s must not be the same type.", ImplicitCast.class.getSimpleName());
71 }
72
73 return new ImplicitCastData(method, sourceType, targetType);
74 }
75 }