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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, 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.template;
24
25 import javax.lang.model.type.*;
26
27 import com.oracle.truffle.codegen.processor.*;
28 import com.oracle.truffle.codegen.processor.typesystem.*;
29
30 public class ParameterSpec {
31
32 public enum Kind {
33 EXECUTE, SIGNATURE, SUPER_ATTRIBUTE, ATTRIBUTE, CONSTRUCTOR_FIELD, SHORT_CIRCUIT
34 }
35
36 public enum Cardinality {
37 ONE, MULTIPLE;
38 }
39
40 private final String name;
41 private final TypeMirror[] allowedTypes;
42 private final TypeMirror valueType;
43 private final Kind kind;
44 private final boolean optional;
45 private final Cardinality cardinality;
46
47 public ParameterSpec(String name, TypeMirror[] allowedTypes, TypeMirror valueType, Kind kind, boolean optional, Cardinality cardinality) {
48 this.valueType = valueType;
49 this.allowedTypes = allowedTypes;
50 this.name = name;
51 this.kind = kind;
52 this.optional = optional;
53 this.cardinality = cardinality;
54 }
55
56 public ParameterSpec(String name, TypeMirror singleFixedType, Kind kind, boolean optional) {
57 this(name, new TypeMirror[]{singleFixedType}, singleFixedType, kind, optional, Cardinality.ONE);
58 }
59
60 public ParameterSpec(String name, TypeSystemData typeSystem, Kind kind, boolean optional, Cardinality cardinality) {
61 this(name, typeSystem.getPrimitiveTypeMirrors(), typeSystem.getGenericType(), kind, optional, cardinality);
62 }
63
64 public final String getName() {
65 return name;
66 }
67
68 public Kind getKind() {
69 return kind;
70 }
71
72 public final boolean isOptional() {
73 return optional;
74 }
75
76 public final Cardinality getCardinality() {
77 return cardinality;
78 }
79
80 public TypeMirror[] getAllowedTypes() {
81 return allowedTypes;
82 }
83
84 public boolean matches(TypeMirror actualType) {
85 for (int i = 0; i < allowedTypes.length; i++) {
86 TypeMirror mirror = allowedTypes[i];
87 if (Utils.typeEquals(actualType, mirror)) {
88 return true;
89 }
90 }
91 return false;
92 }
93
94 public TypeMirror getValueType() {
95 return valueType;
96 }
97 }