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comparison truffle/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/parser/CreateCastParser.java @ 21951:9c8c0937da41

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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/CreateCastParser.java@18c0f02fa4d2
children dc83cc1f94f2
comparison
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21950:2a5011c7e641 21951:9c8c0937da41
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.java.*;
34 import com.oracle.truffle.dsl.processor.model.*;
35
36 public class CreateCastParser extends NodeMethodParser<CreateCastData> {
37
38 public CreateCastParser(ProcessorContext context, NodeData operation) {
39 super(context, operation);
40 }
41
42 @Override
43 public Class<? extends Annotation> getAnnotationType() {
44 return CreateCast.class;
45 }
46
47 @Override
48 public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) {
49 List<String> childNames = ElementUtils.getAnnotationValueList(String.class, mirror, "value");
50 NodeChildData foundChild = null;
51 for (String childName : childNames) {
52 foundChild = getNode().findChild(childName);
53 if (foundChild != null) {
54 break;
55 }
56 }
57 TypeMirror baseType = getContext().getTruffleTypes().getNode();
58 if (foundChild != null) {
59 baseType = foundChild.getOriginalType();
60 }
61
62 MethodSpec spec = new MethodSpec(new ParameterSpec("child", baseType));
63 addDefaultFieldMethodSpec(spec);
64 ParameterSpec childSpec = new ParameterSpec("castedChild", baseType);
65 childSpec.setSignature(true);
66 spec.addRequired(childSpec);
67 return spec;
68 }
69
70 @Override
71 public CreateCastData create(TemplateMethod method, boolean invalid) {
72 AnnotationMirror mirror = method.getMarkerAnnotation();
73 List<String> childNames = ElementUtils.getAnnotationValueList(String.class, mirror, "value");
74 CreateCastData cast = new CreateCastData(method, childNames);
75 AnnotationValue value = ElementUtils.getAnnotationValue(mirror, "value");
76 TypeMirror type = null;
77 if (childNames == null || childNames.isEmpty()) {
78 cast.addError(value, "No value specified but required.");
79 return cast;
80 }
81
82 for (String childName : childNames) {
83 NodeChildData child = getNode().findChild(childName);
84 if (child == null) {
85 // error
86 cast.addError(value, "Specified child '%s' not found.", childName);
87 continue;
88 }
89 if (type == null) {
90 type = child.getNodeType();
91 } else if (!ElementUtils.typeEquals(type, child.getNodeType())) {
92 cast.addError(value, "All child nodes for a cast must have the same node type.");
93 continue;
94 }
95 }
96 return cast;
97 }
98
99 }