Tue, 16 Aug 2016 12:48:43 -0700
Merge
duke@435 | 1 | /* |
trims@1907 | 2 | * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | import java.io.*; |
duke@435 | 26 | import java.util.*; |
duke@435 | 27 | |
duke@435 | 28 | class jvmtiEnvFill { |
duke@435 | 29 | |
duke@435 | 30 | public static void main(String[] args) throws IOException { |
duke@435 | 31 | if (args.length != 3) { |
duke@435 | 32 | System.err.println("usage: <filledFile> <stubFile> <resultFile>"); |
duke@435 | 33 | System.exit(1); |
duke@435 | 34 | } |
duke@435 | 35 | String filledFN = args[0]; |
duke@435 | 36 | String stubFN = args[1]; |
duke@435 | 37 | String resultFN = args[2]; |
duke@435 | 38 | |
duke@435 | 39 | SourceFile filledSF = new SourceFile(filledFN); |
duke@435 | 40 | SourceFile stubSF = new SourceFile(stubFN); |
duke@435 | 41 | |
duke@435 | 42 | |
duke@435 | 43 | stubSF.fill(filledSF); |
duke@435 | 44 | |
duke@435 | 45 | PrintWriter out = new PrintWriter(new FileWriter(resultFN)); |
duke@435 | 46 | stubSF.output(out); |
duke@435 | 47 | out.close(); |
duke@435 | 48 | } |
duke@435 | 49 | } |
duke@435 | 50 | |
duke@435 | 51 | class SourceFile { |
duke@435 | 52 | |
duke@435 | 53 | static final String endFilePrefix = "// end file prefix"; |
duke@435 | 54 | static final String functionPrefix = "JvmtiEnv::"; |
duke@435 | 55 | |
duke@435 | 56 | final String fn; |
duke@435 | 57 | LineNumberReader in; |
duke@435 | 58 | String line; |
duke@435 | 59 | List<String> top = new ArrayList<String>(); |
duke@435 | 60 | List<String> before = new ArrayList<String>(); |
duke@435 | 61 | boolean inFilePrefix = true; |
duke@435 | 62 | List<Function> functions = new ArrayList<Function>(); |
duke@435 | 63 | Map<String, Function> functionMap = new HashMap<String, Function>(); |
duke@435 | 64 | |
duke@435 | 65 | class Function { |
duke@435 | 66 | String name; |
duke@435 | 67 | String args; |
duke@435 | 68 | String compareArgs; |
duke@435 | 69 | List comment; |
duke@435 | 70 | List<String> body = new ArrayList<String>(); |
duke@435 | 71 | |
duke@435 | 72 | Function() throws IOException { |
duke@435 | 73 | line = in.readLine(); |
duke@435 | 74 | String trimmed = line.trim(); |
duke@435 | 75 | if (!trimmed.startsWith(functionPrefix)) { |
duke@435 | 76 | error("expected '" + functionPrefix + "'"); |
duke@435 | 77 | } |
duke@435 | 78 | int index = trimmed.indexOf('(', functionPrefix.length()); |
duke@435 | 79 | if (index == -1) { |
duke@435 | 80 | error("missing open paren"); |
duke@435 | 81 | } |
duke@435 | 82 | name = trimmed.substring(functionPrefix.length(), index); |
duke@435 | 83 | int index2 = trimmed.indexOf(')', index); |
duke@435 | 84 | if (index2 == -1) { |
duke@435 | 85 | error("missing close paren - must be on same line"); |
duke@435 | 86 | } |
duke@435 | 87 | args = trimmed.substring(index+1, index2); |
duke@435 | 88 | compareArgs = args.replaceAll("\\s", ""); |
duke@435 | 89 | String tail = trimmed.substring(index2+1).trim(); |
duke@435 | 90 | if (!tail.equals("{")) { |
duke@435 | 91 | error("function declaration first line must end with open bracket '{', instead got '" + |
duke@435 | 92 | tail + "'"); |
duke@435 | 93 | } |
duke@435 | 94 | while(true) { |
duke@435 | 95 | line = in.readLine(); |
duke@435 | 96 | if (line == null) { |
duke@435 | 97 | line = ""; // so error does not look wierd |
duke@435 | 98 | error("unexpected end of file"); |
duke@435 | 99 | } |
duke@435 | 100 | if (line.startsWith("}")) { |
duke@435 | 101 | break; |
duke@435 | 102 | } |
duke@435 | 103 | body.add(line); |
duke@435 | 104 | } |
duke@435 | 105 | String expected = "} /* end " + name + " */"; |
duke@435 | 106 | trimmed = line.replaceAll("\\s",""); |
duke@435 | 107 | if (!trimmed.equals(expected.replaceAll("\\s",""))) { |
duke@435 | 108 | error("function end is malformed - should be: " + expected); |
duke@435 | 109 | } |
duke@435 | 110 | // copy over the comment prefix |
duke@435 | 111 | comment = before; |
duke@435 | 112 | before = new ArrayList<String>(); |
duke@435 | 113 | } |
duke@435 | 114 | |
duke@435 | 115 | void remove() { |
duke@435 | 116 | functionMap.remove(name); |
duke@435 | 117 | } |
duke@435 | 118 | |
duke@435 | 119 | String fileName() { |
duke@435 | 120 | return fn; |
duke@435 | 121 | } |
duke@435 | 122 | |
duke@435 | 123 | void fill(Function filledFunc) { |
duke@435 | 124 | if (filledFunc == null) { |
duke@435 | 125 | System.err.println("Warning: function " + name + " missing from filled file"); |
duke@435 | 126 | body.add(0, " /*** warning: function added and not filled in ***/"); |
duke@435 | 127 | } else { |
duke@435 | 128 | int fbsize = filledFunc.body.size(); |
duke@435 | 129 | int bsize = body.size(); |
duke@435 | 130 | if (fbsize > bsize || !body.subList(bsize-fbsize,bsize).equals(filledFunc.body)) { |
duke@435 | 131 | // it has actually been filled in |
duke@435 | 132 | body = filledFunc.body; |
duke@435 | 133 | if (!compareArgs.equals(filledFunc.compareArgs)) { |
duke@435 | 134 | System.err.println("Warning: function " + name + |
duke@435 | 135 | ": filled and stub arguments differ"); |
duke@435 | 136 | System.err.println(" old (filled): " + filledFunc.args); |
duke@435 | 137 | System.err.println(" new (stub): " + args); |
duke@435 | 138 | body.add(0, " /*** warning: arguments changed, were: " + |
duke@435 | 139 | filledFunc.args + " ***/"); |
duke@435 | 140 | } |
duke@435 | 141 | } |
duke@435 | 142 | filledFunc.remove(); // mark used |
duke@435 | 143 | } |
duke@435 | 144 | } |
duke@435 | 145 | |
duke@435 | 146 | void output(PrintWriter out) { |
duke@435 | 147 | Iterator it = comment.iterator(); |
duke@435 | 148 | while (it.hasNext()) { |
duke@435 | 149 | out.println(it.next()); |
duke@435 | 150 | } |
duke@435 | 151 | out.println("jvmtiError"); |
duke@435 | 152 | out.print(functionPrefix); |
duke@435 | 153 | out.print(name); |
duke@435 | 154 | out.print('('); |
duke@435 | 155 | out.print(args); |
duke@435 | 156 | out.println(") {"); |
duke@435 | 157 | it = body.iterator(); |
duke@435 | 158 | while (it.hasNext()) { |
duke@435 | 159 | out.println(it.next()); |
duke@435 | 160 | } |
duke@435 | 161 | out.print("} /* end "); |
duke@435 | 162 | out.print(name); |
duke@435 | 163 | out.println(" */"); |
duke@435 | 164 | } |
duke@435 | 165 | } |
duke@435 | 166 | |
duke@435 | 167 | SourceFile(String fn) throws IOException { |
duke@435 | 168 | this.fn = fn; |
duke@435 | 169 | Reader reader = new FileReader(fn); |
duke@435 | 170 | in = new LineNumberReader(reader); |
duke@435 | 171 | |
duke@435 | 172 | while (readGaps()) { |
duke@435 | 173 | Function func = new Function(); |
duke@435 | 174 | functionMap.put(func.name, func); |
duke@435 | 175 | functions.add(func); |
duke@435 | 176 | } |
duke@435 | 177 | |
duke@435 | 178 | in.close(); |
duke@435 | 179 | } |
duke@435 | 180 | |
duke@435 | 181 | void error(String msg) { |
duke@435 | 182 | System.err.println("Fatal error parsing file: " + fn); |
duke@435 | 183 | System.err.println("Line number: " + in.getLineNumber()); |
duke@435 | 184 | System.err.println("Error message: " + msg); |
duke@435 | 185 | System.err.println("Source line: " + line); |
duke@435 | 186 | System.exit(1); |
duke@435 | 187 | } |
duke@435 | 188 | |
duke@435 | 189 | boolean readGaps() throws IOException { |
duke@435 | 190 | while(true) { |
duke@435 | 191 | line = in.readLine(); |
duke@435 | 192 | if (line == null) { |
duke@435 | 193 | return false; // end of file |
duke@435 | 194 | } |
duke@435 | 195 | if (!inFilePrefix && line.startsWith("}")) { |
duke@435 | 196 | error("unexpected close bracket in first column, outside of function.\n"); |
duke@435 | 197 | } |
duke@435 | 198 | String trimmed = line.trim(); |
duke@435 | 199 | if (line.startsWith("jvmtiError")) { |
duke@435 | 200 | if (trimmed.equals("jvmtiError")) { |
duke@435 | 201 | if (inFilePrefix) { |
duke@435 | 202 | error("unexpected 'jvmtiError' line in file prefix.\n" + |
duke@435 | 203 | "is '" + endFilePrefix + "'... line missing?"); |
duke@435 | 204 | } |
duke@435 | 205 | return true; // beginning of a function |
duke@435 | 206 | } else { |
duke@435 | 207 | error("extra characters at end of 'jvmtiError'"); |
duke@435 | 208 | } |
duke@435 | 209 | } |
duke@435 | 210 | if (inFilePrefix) { |
duke@435 | 211 | top.add(line); |
duke@435 | 212 | } else { |
duke@435 | 213 | trimmed = line.trim(); |
duke@435 | 214 | if (!trimmed.equals("") && !trimmed.startsWith("//") && !trimmed.startsWith("#")) { |
duke@435 | 215 | error("only comments and blank lines allowed between functions"); |
duke@435 | 216 | } |
duke@435 | 217 | before.add(line); |
duke@435 | 218 | } |
duke@435 | 219 | if (line.replaceAll("\\s","").toLowerCase().startsWith(endFilePrefix.replaceAll("\\s",""))) { |
duke@435 | 220 | if (!inFilePrefix) { |
duke@435 | 221 | error("excess '" + endFilePrefix + "'"); |
duke@435 | 222 | } |
duke@435 | 223 | inFilePrefix = false; |
duke@435 | 224 | } |
duke@435 | 225 | } |
duke@435 | 226 | } |
duke@435 | 227 | |
duke@435 | 228 | void fill(SourceFile filledSF) { |
duke@435 | 229 | // copy beginning of file straight from filled file |
duke@435 | 230 | top = filledSF.top; |
duke@435 | 231 | |
duke@435 | 232 | // file in functions |
duke@435 | 233 | Iterator it = functions.iterator(); |
duke@435 | 234 | while (it.hasNext()) { |
duke@435 | 235 | Function stubFunc = (Function)(it.next()); |
duke@435 | 236 | Function filledFunc = (Function)filledSF.functionMap.get(stubFunc.name); |
duke@435 | 237 | stubFunc.fill(filledFunc); |
duke@435 | 238 | } |
duke@435 | 239 | if (filledSF.functionMap.size() > 0) { |
duke@435 | 240 | System.err.println("Warning: the following functions were present in the " + |
duke@435 | 241 | "filled file but missing in the stub file and thus not copied:"); |
duke@435 | 242 | it = filledSF.functionMap.values().iterator(); |
duke@435 | 243 | while (it.hasNext()) { |
duke@435 | 244 | System.err.println(" " + ((Function)(it.next())).name); |
duke@435 | 245 | } |
duke@435 | 246 | } |
duke@435 | 247 | } |
duke@435 | 248 | |
duke@435 | 249 | void output(PrintWriter out) { |
duke@435 | 250 | Iterator it = top.iterator(); |
duke@435 | 251 | while (it.hasNext()) { |
duke@435 | 252 | out.println(it.next()); |
duke@435 | 253 | } |
duke@435 | 254 | it = functions.iterator(); |
duke@435 | 255 | while (it.hasNext()) { |
duke@435 | 256 | Function stubFunc = (Function)(it.next()); |
duke@435 | 257 | stubFunc.output(out); |
duke@435 | 258 | } |
duke@435 | 259 | } |
duke@435 | 260 | } |