Thu, 10 Jun 2010 09:29:23 +0100
6945418: Project Coin: Simplified Varargs Method Invocation
Summary: Add new mandatory warning for unsafe vararg method declaration. Warning can be suppressed as usual (@SuppressWarnings("varargs")/-Xlint:-varargs)
Reviewed-by: jjg, darcy
mcimadamore@83 | 1 | /* |
ohair@554 | 2 | * Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved. |
mcimadamore@83 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
mcimadamore@83 | 4 | * |
mcimadamore@83 | 5 | * This code is free software; you can redistribute it and/or modify it |
mcimadamore@83 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ohair@554 | 7 | * published by the Free Software Foundation. Oracle designates this |
mcimadamore@83 | 8 | * particular file as subject to the "Classpath" exception as provided |
ohair@554 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
mcimadamore@83 | 10 | * |
mcimadamore@83 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
mcimadamore@83 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
mcimadamore@83 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
mcimadamore@83 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
mcimadamore@83 | 15 | * accompanied this code). |
mcimadamore@83 | 16 | * |
mcimadamore@83 | 17 | * You should have received a copy of the GNU General Public License version |
mcimadamore@83 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
mcimadamore@83 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
mcimadamore@83 | 20 | * |
ohair@554 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@554 | 22 | * or visit www.oracle.com if you need additional information or have any |
ohair@554 | 23 | * questions. |
mcimadamore@83 | 24 | */ |
mcimadamore@83 | 25 | package com.sun.tools.javac.util; |
mcimadamore@83 | 26 | |
mcimadamore@221 | 27 | import java.util.Collection; |
mcimadamore@221 | 28 | import java.util.EnumSet; |
mcimadamore@83 | 29 | import java.util.Locale; |
mcimadamore@83 | 30 | |
mcimadamore@221 | 31 | import com.sun.tools.javac.api.DiagnosticFormatter.Configuration.*; |
mcimadamore@83 | 32 | import com.sun.tools.javac.api.Formattable; |
jjg@415 | 33 | import com.sun.tools.javac.file.BaseFileObject; |
mcimadamore@221 | 34 | import com.sun.tools.javac.util.AbstractDiagnosticFormatter.SimpleConfiguration; |
mcimadamore@221 | 35 | |
mcimadamore@83 | 36 | import static com.sun.tools.javac.api.DiagnosticFormatter.PositionKind.*; |
mcimadamore@83 | 37 | |
mcimadamore@83 | 38 | /** |
mcimadamore@83 | 39 | * A raw formatter for diagnostic messages. |
mcimadamore@83 | 40 | * The raw formatter will format a diagnostic according to one of two format patterns, depending on whether |
mcimadamore@83 | 41 | * or not the source name and position are set. This formatter provides a standardized, localize-independent |
mcimadamore@83 | 42 | * implementation of a diagnostic formatter; as such, this formatter is best suited for testing purposes. |
jjg@333 | 43 | * |
jjg@333 | 44 | * <p><b>This is NOT part of any API supported by Sun Microsystems. |
jjg@333 | 45 | * If you write code that depends on this, you do so at your own risk. |
jjg@333 | 46 | * This code and its internal interfaces are subject to change or |
jjg@333 | 47 | * deletion without notice.</b> |
mcimadamore@83 | 48 | */ |
mcimadamore@221 | 49 | public final class RawDiagnosticFormatter extends AbstractDiagnosticFormatter { |
mcimadamore@83 | 50 | |
mcimadamore@83 | 51 | /** |
mcimadamore@83 | 52 | * Create a formatter based on the supplied options. |
mcimadamore@83 | 53 | * @param msgs |
mcimadamore@83 | 54 | */ |
mcimadamore@221 | 55 | public RawDiagnosticFormatter(Options options) { |
mcimadamore@221 | 56 | super(null, new SimpleConfiguration(options, |
mcimadamore@221 | 57 | EnumSet.of(DiagnosticPart.SUMMARY, |
mcimadamore@221 | 58 | DiagnosticPart.DETAILS, |
mcimadamore@221 | 59 | DiagnosticPart.SUBDIAGNOSTICS))); |
mcimadamore@83 | 60 | } |
mcimadamore@83 | 61 | |
mcimadamore@83 | 62 | //provide common default formats |
mcimadamore@238 | 63 | public String formatDiagnostic(JCDiagnostic d, Locale l) { |
mcimadamore@83 | 64 | try { |
mcimadamore@83 | 65 | StringBuffer buf = new StringBuffer(); |
mcimadamore@83 | 66 | if (d.getPosition() != Position.NOPOS) { |
mcimadamore@100 | 67 | buf.append(formatSource(d, false, null)); |
mcimadamore@83 | 68 | buf.append(':'); |
mcimadamore@83 | 69 | buf.append(formatPosition(d, LINE, null)); |
mcimadamore@83 | 70 | buf.append(':'); |
mcimadamore@83 | 71 | buf.append(formatPosition(d, COLUMN, null)); |
mcimadamore@83 | 72 | buf.append(':'); |
mcimadamore@83 | 73 | } |
mcimadamore@83 | 74 | else |
mcimadamore@83 | 75 | buf.append('-'); |
mcimadamore@83 | 76 | buf.append(' '); |
mcimadamore@83 | 77 | buf.append(formatMessage(d, null)); |
mcimadamore@137 | 78 | if (displaySource(d)) |
mcimadamore@221 | 79 | buf.append("\n" + formatSourceLine(d, 0)); |
mcimadamore@83 | 80 | return buf.toString(); |
mcimadamore@83 | 81 | } |
mcimadamore@83 | 82 | catch (Exception e) { |
mcimadamore@83 | 83 | e.printStackTrace(); |
mcimadamore@83 | 84 | return null; |
mcimadamore@83 | 85 | } |
mcimadamore@83 | 86 | } |
mcimadamore@83 | 87 | |
mcimadamore@221 | 88 | public String formatMessage(JCDiagnostic d, Locale l) { |
mcimadamore@221 | 89 | StringBuilder buf = new StringBuilder(); |
mcimadamore@221 | 90 | Collection<String> args = formatArguments(d, l); |
mcimadamore@238 | 91 | buf.append(localize(null, d.getCode(), args.toArray())); |
mcimadamore@221 | 92 | if (d.isMultiline() && getConfiguration().getVisible().contains(DiagnosticPart.SUBDIAGNOSTICS)) { |
mcimadamore@221 | 93 | List<String> subDiags = formatSubdiagnostics(d, null); |
mcimadamore@221 | 94 | if (subDiags.nonEmpty()) { |
mcimadamore@238 | 95 | String sep = ""; |
mcimadamore@221 | 96 | buf.append(",{"); |
mcimadamore@221 | 97 | for (String sub : formatSubdiagnostics(d, null)) { |
mcimadamore@221 | 98 | buf.append(sep); |
mcimadamore@221 | 99 | buf.append("(" + sub + ")"); |
mcimadamore@221 | 100 | sep = ","; |
mcimadamore@221 | 101 | } |
mcimadamore@221 | 102 | buf.append('}'); |
mcimadamore@221 | 103 | } |
mcimadamore@221 | 104 | } |
mcimadamore@221 | 105 | return buf.toString(); |
mcimadamore@221 | 106 | } |
mcimadamore@221 | 107 | |
mcimadamore@83 | 108 | @Override |
mcimadamore@83 | 109 | protected String formatArgument(JCDiagnostic diag, Object arg, Locale l) { |
mcimadamore@83 | 110 | String s; |
mcimadamore@83 | 111 | if (arg instanceof Formattable) |
mcimadamore@83 | 112 | s = arg.toString(); |
jjg@415 | 113 | else if (arg instanceof BaseFileObject) |
jjg@415 | 114 | s = ((BaseFileObject) arg).getShortName(); |
mcimadamore@83 | 115 | else |
mcimadamore@83 | 116 | s = super.formatArgument(diag, arg, null); |
mcimadamore@83 | 117 | if (arg instanceof JCDiagnostic) |
mcimadamore@83 | 118 | return "(" + s + ")"; |
mcimadamore@83 | 119 | else |
mcimadamore@83 | 120 | return s; |
mcimadamore@83 | 121 | } |
mcimadamore@238 | 122 | |
mcimadamore@238 | 123 | @Override |
mcimadamore@238 | 124 | protected String localize(Locale l, String key, Object... args) { |
mcimadamore@238 | 125 | StringBuilder buf = new StringBuilder(); |
mcimadamore@238 | 126 | buf.append(key); |
mcimadamore@238 | 127 | String sep = ": "; |
mcimadamore@238 | 128 | for (Object o : args) { |
mcimadamore@238 | 129 | buf.append(sep); |
mcimadamore@238 | 130 | buf.append(o); |
mcimadamore@238 | 131 | sep = ", "; |
mcimadamore@238 | 132 | } |
mcimadamore@238 | 133 | return buf.toString(); |
mcimadamore@238 | 134 | } |
mcimadamore@288 | 135 | |
mcimadamore@288 | 136 | @Override |
mcimadamore@288 | 137 | public boolean isRaw() { |
mcimadamore@288 | 138 | return true; |
mcimadamore@288 | 139 | } |
mcimadamore@83 | 140 | } |