Fri, 30 Nov 2012 15:14:36 +0000
8004101: Add checks for method reference well-formedness
Summary: Bring method reference type-checking in sync with latest EDR
Reviewed-by: jjg
1 /*
2 * Copyright (c) 2005, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 package com.sun.tools.javac.model;
28 import javax.tools.JavaFileObject;
29 import com.sun.tools.javac.util.Position;
31 /**
32 * Implementation of model API SourcePosition based on javac internal state.
33 *
34 * <p><b>This is NOT part of any supported API.
35 * If you write code that depends on this, you do so at your own
36 * risk. This code and its internal interfaces are subject to change
37 * or deletion without notice.</b></p>
38 */
39 class JavacSourcePosition {
41 final JavaFileObject sourcefile;
42 final int pos;
43 final Position.LineMap lineMap;
45 JavacSourcePosition(JavaFileObject sourcefile,
46 int pos,
47 Position.LineMap lineMap) {
48 this.sourcefile = sourcefile;
49 this.pos = pos;
50 this.lineMap = (pos != Position.NOPOS) ? lineMap : null;
51 }
53 public JavaFileObject getFile() {
54 return sourcefile;
55 }
57 public int getOffset() {
58 return pos; // makes use of fact that Position.NOPOS == -1
59 }
61 public int getLine() {
62 return (lineMap != null) ? lineMap.getLineNumber(pos) : -1;
63 }
65 public int getColumn() {
66 return (lineMap != null) ? lineMap.getColumnNumber(pos) : -1;
67 }
69 public String toString() {
70 int line = getLine();
71 return (line > 0)
72 ? sourcefile + ":" + line
73 : sourcefile.toString();
74 }
75 }