Mercurial > hg > graal-compiler
annotate src/share/tools/ProjectCreator/MacroDefinitions.java @ 2184:5d801e6b9a80
Imported build system changes from other repository.
| author | Thomas Wuerthinger <thomas.wuerthinger@gmail.com> |
|---|---|
| date | Mon, 21 Feb 2011 19:17:10 +0100 |
| 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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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 } |