Mercurial > jdk8-mips64-public > langtools / file revision
src/share/classes/com/sun/tools/javac/processing/JavacMessager.java@eff38cc97183
src/share/classes/com/sun/tools/javac/processing/JavacMessager.java
Tue, 16 Sep 2008 18:35:18 -0700
- author
- jjg
- date
- Tue, 16 Sep 2008 18:35:18 -0700
- changeset 113
- eff38cc97183
- parent 104
- 5e89c4ca637c
- child 117
- 24a47c3062fe
- permissions
- -rw-r--r--
6574134: Allow for alternative implementation of Name Table with garbage collection of name bytes
Reviewed-by: darcy, mcimadamore
1 /*
2 * Copyright 2005-2006 Sun Microsystems, Inc. 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. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
26 package com.sun.tools.javac.processing;
28 import com.sun.tools.javac.model.JavacElements;
29 import com.sun.tools.javac.util.*;
30 import com.sun.tools.javac.tree.JCTree;
31 import com.sun.tools.javac.tree.JCTree.*;
32 import javax.lang.model.element.*;
33 import javax.tools.JavaFileObject;
34 import javax.tools.Diagnostic;
35 import javax.annotation.processing.*;
37 /**
38 * An implementation of the Messager built on top of log.
39 *
40 * <p><b>This is NOT part of any API supported by Sun Microsystems.
41 * If you write code that depends on this, you do so at your own risk.
42 * This code and its internal interfaces are subject to change or
43 * deletion without notice.</b>
44 */
45 public class JavacMessager implements Messager {
46 Log log;
47 JavacProcessingEnvironment processingEnv;
48 int errorCount = 0;
50 JavacMessager(Context context, JavacProcessingEnvironment processingEnv) {
51 log = Log.instance(context);
52 this.processingEnv = processingEnv;
53 }
55 // processingEnv.getElementUtils()
57 public void printMessage(Diagnostic.Kind kind, CharSequence msg) {
58 printMessage(kind, msg, null, null, null);
59 }
61 public void printMessage(Diagnostic.Kind kind, CharSequence msg,
62 Element e) {
63 printMessage(kind, msg, e, null, null);
64 }
66 /**
67 * Prints a message of the specified kind at the location of the
68 * annotation mirror of the annotated element.
69 *
70 * @param kind the kind of message
71 * @param msg the message, or an empty string if none
72 * @param e the annotated element
73 * @param a the annotation to use as a position hint
74 */
75 public void printMessage(Diagnostic.Kind kind, CharSequence msg,
76 Element e, AnnotationMirror a) {
77 printMessage(kind, msg, e, a, null);
78 }
80 /**
81 * Prints a message of the specified kind at the location of the
82 * annotation value inside the annotation mirror of the annotated
83 * element.
84 *
85 * @param kind the kind of message
86 * @param msg the message, or an empty string if none
87 * @param e the annotated element
88 * @param a the annotation containing the annotaiton value
89 * @param v the annotation value to use as a position hint
90 */
91 public void printMessage(Diagnostic.Kind kind, CharSequence msg,
92 Element e, AnnotationMirror a, AnnotationValue v) {
93 JavaFileObject oldSource = null;
94 JavaFileObject newSource = null;
95 JCDiagnostic.DiagnosticPosition pos = null;
96 JavacElements elemUtils = processingEnv.getElementUtils();
97 Pair<JCTree, JCCompilationUnit> treeTop = elemUtils.getTreeAndTopLevel(e, a, v);
98 if (treeTop != null) {
99 newSource = treeTop.snd.sourcefile;
100 if (newSource != null) {
101 oldSource = log.useSource(newSource);
102 pos = treeTop.fst.pos();
103 }
104 }
105 try {
106 switch (kind) {
107 case ERROR:
108 errorCount++;
109 boolean prev = log.multipleErrors;
110 log.multipleErrors = true;
111 try {
112 log.error(pos, "proc.messager", msg.toString());
113 } finally {
114 log.multipleErrors = prev;
115 }
116 break;
118 case WARNING:
119 log.warning(pos, "proc.messager", msg.toString());
120 break;
122 case MANDATORY_WARNING:
123 log.mandatoryWarning(pos, "proc.messager", msg.toString());
124 break;
126 default:
127 log.note(pos, "proc.messager", msg.toString());
128 break;
129 }
130 } finally {
131 if (oldSource != null)
132 log.useSource(oldSource);
133 }
134 }
136 /**
137 * Prints an error message.
138 * Equivalent to {@code printError(null, msg)}.
139 * @param msg the message, or an empty string if none
140 */
141 public void printError(String msg) {
142 printMessage(Diagnostic.Kind.ERROR, msg);
143 }
145 /**
146 * Prints a warning message.
147 * Equivalent to {@code printWarning(null, msg)}.
148 * @param msg the message, or an empty string if none
149 */
150 public void printWarning(String msg) {
151 printMessage(Diagnostic.Kind.WARNING, msg);
152 }
154 /**
155 * Prints a notice.
156 * @param msg the message, or an empty string if none
157 */
158 public void printNotice(String msg) {
159 printMessage(Diagnostic.Kind.NOTE, msg);
160 }
162 public boolean errorRaised() {
163 return errorCount > 0;
164 }
166 public int errorCount() {
167 return errorCount;
168 }
170 public void newRound(Context context) {
171 log = Log.instance(context);
172 errorCount = 0;
173 }
175 public String toString() {
176 return "javac Messager";
177 }
178 }
