Mercurial > hg > truffle
annotate src/share/tools/ProjectCreator/MacroDefinitions.java @ 2164:bb2c2878f134
7011839: JSR 292 turn on escape analysis when using invokedynamic
Summary: Currently escape analysis is turned off when EnableInvokeDynamic is true.
Reviewed-by: jrose, kvn
author | twisti |
---|---|
date | Thu, 20 Jan 2011 08:25:22 -0800 |
parents | f95d63e2154a |
children |
rev | line source |
---|---|
0 | 1 /* |
1972 | 2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 import java.io.*; | |
26 import java.util.*; | |
27 | |
28 public class MacroDefinitions { | |
29 private Vector macros; | |
30 | |
31 public MacroDefinitions() { | |
32 macros = new Vector(); | |
33 } | |
34 | |
35 public void addMacro(String name, String contents) { | |
36 Macro macro = new Macro(); | |
37 macro.name = name; | |
38 macro.contents = contents; | |
39 macros.add(macro); | |
40 } | |
41 | |
42 private boolean lineIsEmpty(String s) { | |
43 for (int i = 0; i < s.length(); i++) { | |
44 if (!Character.isWhitespace(s.charAt(i))) { | |
45 return false; | |
46 } | |
47 } | |
48 return true; | |
49 } | |
50 | |
51 public void readFrom(String fileName, boolean missingOk) | |
52 throws FileNotFoundException, FileFormatException, IOException { | |
53 BufferedReader reader = null; | |
54 try { | |
55 reader = new BufferedReader(new FileReader(fileName)); | |
56 } catch (FileNotFoundException e) { | |
57 if (missingOk) { | |
58 return; | |
59 } else { | |
60 throw(e); | |
61 } | |
62 } | |
63 String line; | |
64 do { | |
65 line = reader.readLine(); | |
66 if (line != null) { | |
67 // This had to be rewritten (compare to Database.java) | |
68 // because the Solaris platform file has been | |
69 // repurposed and now contains "macros" with spaces in | |
70 // them. | |
71 | |
72 if ((!line.startsWith("//")) && | |
73 (!lineIsEmpty(line))) { | |
74 int nameBegin = -1; | |
75 int nameEnd = -1; | |
76 boolean gotEquals = false; | |
77 int contentsBegin = -1; | |
78 int contentsEnd = -1; | |
79 | |
80 int i = 0; | |
81 // Scan forward for beginning of name | |
82 while (i < line.length()) { | |
83 if (!Character.isWhitespace(line.charAt(i))) { | |
84 break; | |
85 } | |
86 i++; | |
87 } | |
88 nameBegin = i; | |
89 | |
90 // Scan forward for end of name | |
91 while (i < line.length()) { | |
92 if (Character.isWhitespace(line.charAt(i))) { | |
93 break; | |
94 } | |
95 i++; | |
96 } | |
97 nameEnd = i; | |
98 | |
99 // Scan forward for equals sign | |
100 while (i < line.length()) { | |
101 if (line.charAt(i) == '=') { | |
102 gotEquals = true; | |
103 break; | |
104 } | |
105 i++; | |
106 } | |
107 | |
108 // Scan forward for start of contents | |
109 i++; | |
110 while (i < line.length()) { | |
111 if (!Character.isWhitespace(line.charAt(i))) { | |
112 break; | |
113 } | |
114 i++; | |
115 } | |
116 contentsBegin = i; | |
117 | |
118 // Scan *backward* for end of contents | |
119 i = line.length() - 1; | |
120 while (i >= 0) { | |
121 if (!Character.isWhitespace(line.charAt(i))) { | |
122 break; | |
123 } | |
124 } | |
125 contentsEnd = i+1; | |
126 | |
127 // Now do consistency check | |
128 if (!((nameBegin < nameEnd) && | |
129 (nameEnd < contentsBegin) && | |
130 (contentsBegin < contentsEnd) && | |
131 (gotEquals == true))) { | |
132 throw new FileFormatException( | |
133 "Expected \"macroname = value\", " + | |
134 "but found: " + line | |
135 ); | |
136 } | |
137 | |
138 String name = line.substring(nameBegin, nameEnd); | |
139 String contents = line.substring(contentsBegin, | |
140 contentsEnd); | |
141 addMacro(name, contents); | |
142 } | |
143 } | |
144 } while (line != null); | |
145 reader.close(); | |
146 } | |
147 | |
148 /** This returns an Iterator of Macros. You should not mutate the | |
149 returned Macro objects or use the Iterator to remove | |
150 macros. */ | |
151 public Iterator getMacros() { | |
152 return macros.iterator(); | |
153 } | |
154 } |