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annotate src/org/tmatesoft/hg/repo/HgDataFile.java @ 338:3cfa4d908fc9

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Add options to control DataAccessProvider, allow to turn off use of file memory mapping in particular to solve potential sharing violation (os file handle gets released on MappedByteByffer being GC'd, not on FileChannel.close())
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 15 Nov 2011 04:47:03 +0100
parents a674b8590362
children 8da7ade36c57
rev   line source
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1 /*
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2 * Copyright (c) 2010-2011 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.repo;
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19 import static org.tmatesoft.hg.repo.HgInternals.wrongLocalRevision;
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20 import static org.tmatesoft.hg.repo.HgRepository.*;
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22 import java.io.ByteArrayOutputStream;
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23 import java.io.File;
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24 import java.io.FileInputStream;
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25 import java.io.IOException;
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26 import java.nio.ByteBuffer;
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27 import java.nio.channels.FileChannel;
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28 import java.util.ArrayList;
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29 import java.util.Arrays;
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30 import java.util.Collection;
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31 import java.util.Collections;
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32 import java.util.List;
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34 import org.tmatesoft.hg.core.HgDataStreamException;
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35 import org.tmatesoft.hg.core.HgException;
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36 import org.tmatesoft.hg.core.HgLogCommand;
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37 import org.tmatesoft.hg.core.Nodeid;
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38 import org.tmatesoft.hg.internal.DataAccess;
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39 import org.tmatesoft.hg.internal.FilterByteChannel;
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40 import org.tmatesoft.hg.internal.FilterDataAccess;
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41 import org.tmatesoft.hg.internal.IntMap;
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42 import org.tmatesoft.hg.internal.RevlogStream;
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43 import org.tmatesoft.hg.util.ByteChannel;
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44 import org.tmatesoft.hg.util.CancelSupport;
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45 import org.tmatesoft.hg.util.CancelledException;
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46 import org.tmatesoft.hg.util.Pair;
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47 import org.tmatesoft.hg.util.Path;
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48 import org.tmatesoft.hg.util.ProgressSupport;
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52 /**
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53 * ? name:HgFileNode?
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54 *
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55 * @author Artem Tikhomirov
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56 * @author TMate Software Ltd.
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57 */
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58 public class HgDataFile extends Revlog {
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59
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60 // absolute from repo root?
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61 // slashes, unix-style?
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62 // repo location agnostic, just to give info to user, not to access real storage
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63 private final Path path;
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64 private Metadata metadata; // get initialized on first access to file content.
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66 /*package-local*/HgDataFile(HgRepository hgRepo, Path filePath, RevlogStream content) {
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67 super(hgRepo, content);
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68 path = filePath;
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69 }
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71 /*package-local*/HgDataFile(HgRepository hgRepo, Path filePath) {
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72 super(hgRepo);
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73 path = filePath;
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74 }
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76 // exists is not the best name possible. now it means no file with such name was ever known to the repo.
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77 // it might be confused with files existed before but lately removed.
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78 public boolean exists() {
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79 return content != null; // XXX need better impl
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80 }
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82 // human-readable (i.e. "COPYING", not "store/data/_c_o_p_y_i_n_g.i")
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83 public Path getPath() {
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84 return path; // hgRepo.backresolve(this) -> name? In this case, what about hashed long names?
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85 }
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87 /**
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88 * @return size of the file content at the given revision
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89 */
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90 public int length(Nodeid nodeid) throws HgDataStreamException {
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91 return length(getLocalRevision(nodeid));
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93 }
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95 /**
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96 * @return size of the file content at the revision identified by local revision number.
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97 */
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98 public int length(int localRev) throws HgDataStreamException {
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99 if (metadata == null || !metadata.checked(localRev)) {
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100 checkAndRecordMetadata(localRev);
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101 }
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102 final int dataLen = content.dataLength(localRev);
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103 if (metadata.known(localRev)) {
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104 return dataLen - metadata.dataOffset(localRev);
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105 }
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106 return dataLen;
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107 }
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109 /**
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110 * Reads content of the file from working directory. If file present in the working directory, its actual content without
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111 * any filters is supplied through the sink. If file does not exist in the working dir, this method provides content of a file
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112 * as if it would be refreshed in the working copy, i.e. its corresponding revision
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113 * (XXX according to dirstate? file tip?) is read from the repository, and filters repo -> working copy get applied.
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114 *
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115 * @param sink where to pipe content to
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116 * @throws HgDataStreamException to indicate troubles reading repository file
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117 * @throws CancelledException if operation was cancelled
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118 */
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119 public void workingCopy(ByteChannel sink) throws HgDataStreamException, CancelledException {
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120 File f = getRepo().getFile(this);
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121 if (f.exists()) {
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122 final CancelSupport cs = CancelSupport.Factory.get(sink);
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123 final ProgressSupport progress = ProgressSupport.Factory.get(sink);
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124 final long flength = f.length();
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125 final int bsize = (int) Math.min(flength, 32*1024);
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126 progress.start((int) (flength > Integer.MAX_VALUE ? flength >>> 15 /*32 kb buf size*/ : flength));
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127 ByteBuffer buf = ByteBuffer.allocate(bsize);
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128 FileChannel fc = null;
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129 try {
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130 fc = new FileInputStream(f).getChannel();
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131 while (fc.read(buf) != -1) {
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132 cs.checkCancelled();
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133 buf.flip();
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134 int consumed = sink.write(buf);
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135 progress.worked(flength > Integer.MAX_VALUE ? 1 : consumed);
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136 buf.compact();
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137 }
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138 } catch (IOException ex) {
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139 throw new HgDataStreamException(getPath(), ex);
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140 } finally {
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141 progress.done();
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142 if (fc != null) {
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143 try {
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144 fc.close();
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145 } catch (IOException ex) {
295
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146 getRepo().getContext().getLog().info(getClass(), ex, null);
237
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147 }
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148 }
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149 }
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150 } else {
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151 contentWithFilters(TIP, sink);
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152 }
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153 }
115
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154
157
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155 // public void content(int revision, ByteChannel sink, boolean applyFilters) throws HgDataStreamException, IOException, CancelledException {
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156 // byte[] content = content(revision);
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157 // final CancelSupport cancelSupport = CancelSupport.Factory.get(sink);
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158 // final ProgressSupport progressSupport = ProgressSupport.Factory.get(sink);
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159 // ByteBuffer buf = ByteBuffer.allocate(512);
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160 // int left = content.length;
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161 // progressSupport.start(left);
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162 // int offset = 0;
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163 // cancelSupport.checkCancelled();
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164 // ByteChannel _sink = applyFilters ? new FilterByteChannel(sink, getRepo().getFiltersFromRepoToWorkingDir(getPath())) : sink;
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165 // do {
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166 // buf.put(content, offset, Math.min(left, buf.remaining()));
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167 // buf.flip();
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168 // cancelSupport.checkCancelled();
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169 // // XXX I may not rely on returned number of bytes but track change in buf position instead.
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170 // int consumed = _sink.write(buf);
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171 // buf.compact();
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172 // offset += consumed;
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173 // left -= consumed;
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174 // progressSupport.worked(consumed);
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175 // } while (left > 0);
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176 // progressSupport.done(); // XXX shall specify whether #done() is invoked always or only if completed successfully.
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177 // }
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178
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179 /*XXX not sure distinct method contentWithFilters() is the best way to do, perhaps, callers shall add filters themselves?*/
237
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180 public void contentWithFilters(int revision, ByteChannel sink) throws HgDataStreamException, CancelledException {
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181 if (revision == WORKING_COPY) {
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182 workingCopy(sink); // pass un-mangled sink
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183 } else {
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184 content(revision, new FilterByteChannel(sink, getRepo().getFiltersFromRepoToWorkingDir(getPath())));
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185 }
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186 }
22
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187
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188 // for data files need to check heading of the file content for possible metadata
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189 // @see http://mercurial.selenic.com/wiki/FileFormats#data.2BAC8-
237
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190 public void content(int revision, ByteChannel sink) throws HgDataStreamException, CancelledException {
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191 if (revision == TIP) {
135
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192 revision = getLastRevision();
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193 }
157
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194 if (revision == WORKING_COPY) {
237
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195 // sink is supposed to come into workingCopy without filters
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196 // thus we shall not get here (into #content) from #contentWithFilters(WC)
157
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197 workingCopy(sink);
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198 return;
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199 }
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200 if (wrongLocalRevision(revision) || revision == BAD_REVISION) {
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201 throw new IllegalArgumentException(String.valueOf(revision));
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202 }
157
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203 if (sink == null) {
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204 throw new IllegalArgumentException();
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205 }
134
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206 if (metadata == null) {
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207 metadata = new Metadata();
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208 }
277
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209 ErrorHandlingInspector insp;
134
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210 if (metadata.none(revision)) {
157
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211 insp = new ContentPipe(sink, 0);
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212 } else if (metadata.known(revision)) {
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213 insp = new ContentPipe(sink, metadata.dataOffset(revision));
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214 } else {
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215 // do not know if there's metadata
277
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216 insp = new MetadataInspector(metadata, getPath(), new ContentPipe(sink, 0));
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217 }
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218 insp.checkCancelled();
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219 super.content.iterate(revision, revision, true, insp);
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220 try {
237
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221 insp.checkFailed(); // XXX is there real need to throw IOException from ContentPipe?
157
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222 } catch (HgDataStreamException ex) {
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223 throw ex;
237
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224 } catch (IOException ex) {
323
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file
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225 throw new HgDataStreamException(getPath(), ex).setRevisionNumber(revision);
157
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226 } catch (HgException ex) {
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227 // shall not happen, unless we changed ContentPipe or its subclass
215
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228 throw new HgDataStreamException(getPath(), ex.getClass().getName(), ex);
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229 }
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230 }
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231
317
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232 private static class HistoryNode {
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233 int changeset;
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234 Nodeid cset;
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235 HistoryNode parent1, parent2;
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236 List<HistoryNode> children;
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237
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238 HistoryNode(int cs, HistoryNode p1, HistoryNode p2) {
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239 changeset = cs;
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240 parent1 = p1;
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241 parent2 = p2;
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242 if (p1 != null) {
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243 p1.addChild(this);
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244 }
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245 if (p2 != null) {
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246 p2.addChild(this);
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247 }
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248 }
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249
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250 Nodeid changesetRevision() {
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251 assert cset != null : "we initialize all csets prior to use";
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252 return cset;
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253 }
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254
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255 void addChild(HistoryNode child) {
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256 if (children == null) {
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257 children = new ArrayList<HistoryNode>(2);
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258 }
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259 children.add(child);
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260 }
305
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261 }
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262
328
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263 /**
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264 * @deprecated use {@link HgLogCommand#execute(org.tmatesoft.hg.core.HgChangesetTreeHandler)} instead
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265 */
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266 @Deprecated
317
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267 public void history(HgChangelog.TreeInspector inspector) {
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268 final CancelSupport cancelSupport = CancelSupport.Factory.get(inspector);
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269 try {
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270 final boolean[] needsSorting = { false };
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271 final HistoryNode[] completeHistory = new HistoryNode[getRevisionCount()];
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272 final int[] commitRevisions = new int[completeHistory.length];
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273 RevlogStream.Inspector insp = new RevlogStream.Inspector() {
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274 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
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275 if (revisionNumber > 0) {
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276 if (commitRevisions[revisionNumber-1] > linkRevision) {
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277 needsSorting[0] = true;
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278 }
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279 }
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280 commitRevisions[revisionNumber] = linkRevision;
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281 HistoryNode p1 = null, p2 = null;
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282 if (parent1Revision != -1) {
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283 p1 = completeHistory[parent1Revision];
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284 }
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285 if (parent2Revision != -1) {
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286 p2 = completeHistory[parent2Revision];
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287 }
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288 completeHistory[revisionNumber] = new HistoryNode(linkRevision, p1, p2);
305
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289 }
317
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290 };
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291 content.iterate(0, getLastRevision(), false, insp);
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292 cancelSupport.checkCancelled();
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293 if (needsSorting[0]) {
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294 Arrays.sort(commitRevisions);
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295 }
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296 // read changeset revisions at once (to avoid numerous changelog.getRevision reads)
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297 // but just nodeids, not RawChangeset (changelog.iterate(data=false)
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298 ArrayList<Nodeid> changesetRevisions = new ArrayList<Nodeid>(commitRevisions.length);
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299 getRepo().getChangelog().getRevisionsInternal(changesetRevisions, commitRevisions);
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300 cancelSupport.checkCancelled();
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301 // assign them to corresponding HistoryNodes
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302 for (int i = 0; i < completeHistory.length; i++ ) {
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303 final HistoryNode n = completeHistory[i];
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304 if (needsSorting[0]) {
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305 int x = Arrays.binarySearch(commitRevisions, n.changeset);
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306 assert x >= 0;
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307 n.cset = changesetRevisions.get(x);
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308 } else {
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309 // commit revisions were not sorted, may use original index directly
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310 n.cset = changesetRevisions.get(i);
305
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311 }
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312 }
317
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313 cancelSupport.checkCancelled();
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314 // XXX shall sort completeHistory according to changeset numbers?
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315 for (int i = 0; i < completeHistory.length; i++ ) {
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316 final HistoryNode n = completeHistory[i];
305
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317 HistoryNode p;
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318 Nodeid p1, p2;
317
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319 if ((p = n.parent1) != null) {
305
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320 p1 = p.changesetRevision();
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321 } else {
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322 p1 = Nodeid.NULL;
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323 }
317
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324 if ((p= n.parent2) != null) {
305
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325 p2 = p.changesetRevision();
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326 } else {
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327 p2 = Nodeid.NULL;
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328 }
317
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329 final Pair<Nodeid, Nodeid> parentChangesets = new Pair<Nodeid, Nodeid>(p1, p2);
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330 final List<Nodeid> childChangesets;
305
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331 if (n.children == null) {
317
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332 childChangesets = Collections.emptyList();
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333 } else {
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334 Nodeid[] revisions = new Nodeid[n.children.size()];
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335 int j = 0;
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336 for (HistoryNode hn : n.children) {
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337 revisions[j++] = hn.changesetRevision();
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338 }
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339 childChangesets = Arrays.asList(revisions);
305
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340 }
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341 inspector.next(n.changesetRevision(), parentChangesets, childChangesets);
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342 cancelSupport.checkCancelled();
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343 }
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344 } catch (CancelledException ex) {
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345 return;
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346 }
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347 }
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348
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349 public void history(HgChangelog.Inspector inspector) {
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350 history(0, getLastRevision(), inspector);
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351 }
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352
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353 public void history(int start, int end, HgChangelog.Inspector inspector) {
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354 if (!exists()) {
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355 throw new IllegalStateException("Can't get history of invalid repository file node");
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356 }
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357 final int last = getLastRevision();
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358 if (end == TIP) {
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359 end = last;
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360 }
300
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361 if (start == TIP) {
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362 start = last;
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363 }
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364 HgInternals.checkRevlogRange(start, end, last);
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365
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366 final int[] commitRevisions = new int[end - start + 1];
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367 final boolean[] needsSorting = { false };
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368 RevlogStream.Inspector insp = new RevlogStream.Inspector() {
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369 int count = 0;
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370 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
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371 if (count > 0) {
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372 if (commitRevisions[count -1] > linkRevision) {
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373 needsSorting[0] = true;
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374 }
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375 }
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376 commitRevisions[count++] = linkRevision;
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377 }
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378 };
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379 content.iterate(start, end, false, insp);
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380 final HgChangelog changelog = getRepo().getChangelog();
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381 if (needsSorting[0]) {
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382 // automatic tools (svnmerge?) produce unnatural file history
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383 // (e.g. cpython/Lib/doctest.py, revision 164 points to cset 63509, 165 - to 38453)
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384 Arrays.sort(commitRevisions);
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385 }
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386 changelog.rangeInternal(inspector, commitRevisions);
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387 }
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388
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389 // for a given local revision of the file, find out local revision in the changelog
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390 public int getChangesetLocalRevision(int revision) {
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391 return content.linkRevision(revision);
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392 }
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393
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394 public Nodeid getChangesetRevision(Nodeid nid) {
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395 int changelogRevision = getChangesetLocalRevision(getLocalRevision(nid));
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396 return getRepo().getChangelog().getRevision(changelogRevision);
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397 }
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398
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399 public boolean isCopy() throws HgDataStreamException {
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400 if (metadata == null || !metadata.checked(0)) {
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401 checkAndRecordMetadata(0);
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402 }
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403 if (!metadata.known(0)) {
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404 return false;
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405 }
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406 return metadata.find(0, "copy") != null;
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407 }
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408
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409 public Path getCopySourceName() throws HgDataStreamException {
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410 if (isCopy()) {
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411 return Path.create(metadata.find(0, "copy"));
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412 }
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413 throw new UnsupportedOperationException(); // XXX REVISIT, think over if Exception is good (clients would check isCopy() anyway, perhaps null is sufficient?)
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414 }
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415
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416 public Nodeid getCopySourceRevision() throws HgDataStreamException {
78
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417 if (isCopy()) {
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418 return Nodeid.fromAscii(metadata.find(0, "copyrev")); // XXX reuse/cache Nodeid
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419 }
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420 throw new UnsupportedOperationException();
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421 }
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422
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423 @Override
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424 public String toString() {
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425 StringBuilder sb = new StringBuilder(getClass().getSimpleName());
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426 sb.append('(');
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427 sb.append(getPath());
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428 sb.append(')');
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429 return sb.toString();
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430 }
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431
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432 private void checkAndRecordMetadata(int localRev) throws HgDataStreamException {
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433 // content() always initializes metadata.
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434 // FIXME this is expensive way to find out metadata, distinct RevlogStream.Iterator would be better.
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435 // Alternatively, may parameterize MetadataContentPipe to do prepare only.
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436 // For reference, when throwing CancelledException, hg status -A --rev 3:80 takes 70 ms
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437 // however, if we just consume buffer instead (buffer.position(buffer.limit()), same command takes ~320ms
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438 // (compared to command-line counterpart of 190ms)
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439 try {
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440 content(localRev, new ByteChannel() { // No-op channel
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441 public int write(ByteBuffer buffer) throws IOException, CancelledException {
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442 throw new CancelledException();
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443 }
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444 });
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445 } catch (CancelledException ex) {
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446 // it's ok, we did that
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447 }
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448 }
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449
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450 private static final class MetadataEntry {
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451 private final String entry;
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452 private final int valueStart;
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453 /*package-local*/MetadataEntry(String key, String value) {
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454 entry = key + value;
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455 valueStart = key.length();
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456 }
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457 /*package-local*/boolean matchKey(String key) {
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458 return key.length() == valueStart && entry.startsWith(key);
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459 }
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460 // uncomment once/if needed
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461 // public String key() {
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462 // return entry.substring(0, valueStart);
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463 // }
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464 public String value() {
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465 return entry.substring(valueStart);
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466 }
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467 }
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468
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469 private static class Metadata {
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470 private static class Record {
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471 public final int offset;
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472 public final MetadataEntry[] entries;
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473
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474 public Record(int off, MetadataEntry[] entr) {
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475 offset = off;
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476 entries = entr;
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477 }
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478 }
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479 // XXX sparse array needed
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480 private final IntMap<Record> entries = new IntMap<Record>(5);
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481
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482 private final Record NONE = new Record(-1, null); // don't want statics
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483
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484 // true when there's metadata for given revision
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485 boolean known(int revision) {
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486 Record i = entries.get(revision);
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487 return i != null && NONE != i;
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488 }
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489
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490 // true when revision has been checked for metadata presence.
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491 public boolean checked(int revision) {
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492 return entries.containsKey(revision);
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493 }
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494
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495 // true when revision has been checked and found not having any metadata
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496 boolean none(int revision) {
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497 Record i = entries.get(revision);
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498 return i == NONE;
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499 }
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500
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501 // mark revision as having no metadata.
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502 void recordNone(int revision) {
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503 Record i = entries.get(revision);
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504 if (i == NONE) {
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505 return; // already there
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506 }
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507 if (i != null) {
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508 throw new IllegalStateException(String.format("Trying to override Metadata state for revision %d (known offset: %d)", revision, i));
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509 }
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510 entries.put(revision, NONE);
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511 }
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512
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513 // since this is internal class, callers are supposed to ensure arg correctness (i.e. ask known() before)
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514 int dataOffset(int revision) {
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515 return entries.get(revision).offset;
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516 }
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517 void add(int revision, int dataOffset, Collection<MetadataEntry> e) {
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518 assert !entries.containsKey(revision);
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519 entries.put(revision, new Record(dataOffset, e.toArray(new MetadataEntry[e.size()])));
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520 }
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521
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522 String find(int revision, String key) {
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523 for (MetadataEntry me : entries.get(revision).entries) {
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524 if (me.matchKey(key)) {
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525 return me.value();
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526 }
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527 }
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528 return null;
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529 }
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530 }
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531
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532 private static class MetadataInspector extends ErrorHandlingInspector implements RevlogStream.Inspector {
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533 private final Metadata metadata;
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534 private final Path fname; // need this only for error reporting
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535 private final RevlogStream.Inspector delegate;
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536
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537 public MetadataInspector(Metadata _metadata, Path file, RevlogStream.Inspector chain) {
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538 metadata = _metadata;
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539 fname = file;
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540 delegate = chain;
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541 setCancelSupport(CancelSupport.Factory.get(chain));
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542 }
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543
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544 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
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545 try {
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546 final int daLength = data.length();
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547 if (daLength < 4 || data.readByte() != 1 || data.readByte() != 10) {
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548 metadata.recordNone(revisionNumber);
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549 data.reset();
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550 } else {
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551 ArrayList<MetadataEntry> _metadata = new ArrayList<MetadataEntry>();
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552 int offset = parseMetadata(data, daLength, _metadata);
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553 metadata.add(revisionNumber, offset, _metadata);
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554 // da is in prepared state (i.e. we consumed all bytes up to metadata end).
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555 // However, it's not safe to assume delegate won't call da.reset() for some reason,
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556 // and we need to ensure predictable result.
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557 data.reset();
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558 data = new FilterDataAccess(data, offset, daLength - offset);
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559 }
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560 if (delegate != null) {
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561 delegate.next(revisionNumber, actualLen, baseRevision, linkRevision, parent1Revision, parent2Revision, nodeid, data);
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562 }
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563 } catch (IOException ex) {
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564 recordFailure(ex);
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565 } catch (HgDataStreamException ex) {
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566 recordFailure(ex.setRevisionNumber(revisionNumber));
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567 }
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568 }
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569
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570 private int parseMetadata(DataAccess data, final int daLength, ArrayList<MetadataEntry> _metadata) throws IOException, HgDataStreamException {
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571 int lastEntryStart = 2;
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572 int lastColon = -1;
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573 // XXX in fact, need smth like ByteArrayBuilder, similar to StringBuilder,
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574 // which can't be used here because we can't convert bytes to chars as we read them
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575 // (there might be multi-byte encoding), and we need to collect all bytes before converting to string
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576 ByteArrayOutputStream bos = new ByteArrayOutputStream();
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577 String key = null, value = null;
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578 boolean byteOne = false;
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579 boolean metadataIsComplete = false;
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580 for (int i = 2; i < daLength; i++) {
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581 byte b = data.readByte();
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582 if (b == '\n') {
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583 if (byteOne) { // i.e. \n follows 1
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584 lastEntryStart = i+1;
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585 metadataIsComplete = true;
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586 // XXX is it possible to have here incomplete key/value (i.e. if last pair didn't end with \n)
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587 // if yes, need to set metadataIsComplete to true in that case as well
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588 break;
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589 }
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590 if (key == null || lastColon == -1 || i <= lastColon) {
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591 throw new IllegalStateException(); // FIXME log instead and record null key in the metadata. Ex just to fail fast during dev
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592 }
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593 value = new String(bos.toByteArray()).trim();
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594 bos.reset();
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595 _metadata.add(new MetadataEntry(key, value));
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596 key = value = null;
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597 lastColon = -1;
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598 lastEntryStart = i+1;
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599 continue;
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600 }
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601 // byteOne has to be consumed up to this line, if not yet, consume it
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602 if (byteOne) {
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603 // insert 1 we've read on previous step into the byte builder
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604 bos.write(1);
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605 byteOne = false;
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606 // fall-through to consume current byte
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607 }
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608 if (b == (int) ':') {
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609 assert value == null;
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610 key = new String(bos.toByteArray());
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611 bos.reset();
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612 lastColon = i;
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613 } else if (b == 1) {
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614 byteOne = true;
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615 } else {
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616 bos.write(b);
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617 }
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618 }
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619 // data.isEmpty is not reliable, renamed files of size==0 keep only metadata
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620 if (!metadataIsComplete) {
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621 // XXX perhaps, worth a testcase (empty file, renamed, read or ask ifCopy
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622 throw new HgDataStreamException(fname, "Metadata is not closed properly", null);
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623 }
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624 return lastEntryStart;
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625 }
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626
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627 @Override
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628 public void checkFailed() throws HgException, IOException, CancelledException {
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629 super.checkFailed();
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630 if (delegate instanceof ErrorHandlingInspector) {
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631 // XXX need to add ErrorDestination and pass it around (much like CancelSupport get passed)
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632 // so that delegate would be able report its failures directly to caller without this hack
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633 ((ErrorHandlingInspector) delegate).checkFailed();
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634 }
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635 }
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636 }
2
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637 }