Mercurial > hg > graal-jvmci-8
comparison jvmci/jdk.vm.ci.meta/src/jdk/vm/ci/meta/JavaMethod.java @ 22672:1bbd4a7c274b
Rename jdk.internal.jvmci to jdk.vm.ci
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Thu, 08 Oct 2015 17:28:41 -0700 |
parents | jvmci/jdk.internal.jvmci.meta/src/jdk/internal/jvmci/meta/JavaMethod.java@ec96f33a101d |
children | 30af491f98c5 |
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22671:97f30e4d0e95 | 22672:1bbd4a7c274b |
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1 /* | |
2 * Copyright (c) 2009, 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 jdk.vm.ci.meta; | |
24 | |
25 import java.util.IllegalFormatException; | |
26 import java.util.UnknownFormatConversionException; | |
27 | |
28 /** | |
29 * Represents a reference to a Java method, either resolved or unresolved. Methods, like fields and | |
30 * types, are resolved through {@link ConstantPool constant pools}. | |
31 */ | |
32 public interface JavaMethod extends TrustedInterface { | |
33 | |
34 /** | |
35 * Returns the name of this method. | |
36 */ | |
37 String getName(); | |
38 | |
39 /** | |
40 * Returns the {@link JavaType} object representing the class or interface that declares this | |
41 * method. | |
42 */ | |
43 JavaType getDeclaringClass(); | |
44 | |
45 /** | |
46 * Returns the signature of this method. | |
47 */ | |
48 Signature getSignature(); | |
49 | |
50 /** | |
51 * Gets a string for this method formatted according to a given format specification. A format | |
52 * specification is composed of characters that are to be copied verbatim to the result and | |
53 * specifiers that denote an attribute of this method that is to be copied to the result. A | |
54 * specifier is a single character preceded by a '%' character. The accepted specifiers and the | |
55 * method attributes they denote are described below: | |
56 * | |
57 * <pre> | |
58 * Specifier | Description | Example(s) | |
59 * ----------+------------------------------------------------------------------------------------------ | |
60 * 'R' | Qualified return type | "int" "java.lang.String" | |
61 * 'r' | Unqualified return type | "int" "String" | |
62 * 'H' | Qualified holder | "java.util.Map.Entry" | |
63 * 'h' | Unqualified holder | "Entry" | |
64 * 'n' | Method name | "add" | |
65 * 'P' | Qualified parameter types, separated by ', ' | "int, java.lang.String" | |
66 * 'p' | Unqualified parameter types, separated by ', ' | "int, String" | |
67 * 'f' | Indicator if method is unresolved, static or virtual | "unresolved" "static" "virtual" | |
68 * '%' | A '%' character | "%" | |
69 * </pre> | |
70 * | |
71 * @param format a format specification | |
72 * @return the result of formatting this method according to {@code format} | |
73 * @throws IllegalFormatException if an illegal specifier is encountered in {@code format} | |
74 */ | |
75 default String format(String format) throws IllegalFormatException { | |
76 StringBuilder sb = new StringBuilder(); | |
77 int index = 0; | |
78 Signature sig = null; | |
79 while (index < format.length()) { | |
80 char ch = format.charAt(index++); | |
81 if (ch == '%') { | |
82 if (index >= format.length()) { | |
83 throw new UnknownFormatConversionException("An unquoted '%' character cannot terminate a method format specification"); | |
84 } | |
85 char specifier = format.charAt(index++); | |
86 switch (specifier) { | |
87 case 'R': | |
88 case 'r': { | |
89 if (sig == null) { | |
90 sig = getSignature(); | |
91 } | |
92 sb.append(sig.getReturnType(null).toJavaName(specifier == 'R')); | |
93 break; | |
94 } | |
95 case 'H': | |
96 case 'h': { | |
97 sb.append(getDeclaringClass().toJavaName(specifier == 'H')); | |
98 break; | |
99 } | |
100 case 'n': { | |
101 sb.append(getName()); | |
102 break; | |
103 } | |
104 case 'P': | |
105 case 'p': { | |
106 if (sig == null) { | |
107 sig = getSignature(); | |
108 } | |
109 for (int i = 0; i < sig.getParameterCount(false); i++) { | |
110 if (i != 0) { | |
111 sb.append(", "); | |
112 } | |
113 sb.append(sig.getParameterType(i, null).toJavaName(specifier == 'P')); | |
114 } | |
115 break; | |
116 } | |
117 case 'f': { | |
118 sb.append(!(this instanceof ResolvedJavaMethod) ? "unresolved" : ((ResolvedJavaMethod) this).isStatic() ? "static" : "virtual"); | |
119 break; | |
120 } | |
121 case '%': { | |
122 sb.append('%'); | |
123 break; | |
124 } | |
125 default: { | |
126 throw new UnknownFormatConversionException(String.valueOf(specifier)); | |
127 } | |
128 } | |
129 } else { | |
130 sb.append(ch); | |
131 } | |
132 } | |
133 return sb.toString(); | |
134 } | |
135 } |