Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 1 | // Copyright 2016 Google Inc. All rights reserved |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
Koichi Shiraishi | df8cd05 | 2016-09-06 15:05:35 +0900 | [diff] [blame] | 15 | // +build ignore |
| 16 | |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 17 | #include "regen.h" |
| 18 | |
| 19 | #include <sys/stat.h> |
| 20 | |
| 21 | #include <algorithm> |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 22 | #include <memory> |
Shinichiro Hamaji | 8380fb8 | 2016-02-26 16:51:50 +0900 | [diff] [blame] | 23 | #include <mutex> |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 24 | #include <vector> |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 25 | |
Dan Willemsen | 6347206 | 2018-10-30 21:24:23 -0700 | [diff] [blame] | 26 | #include "affinity.h" |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 27 | #include "fileutil.h" |
| 28 | #include "find.h" |
Dan Willemsen | f06d801 | 2016-10-03 00:16:07 -0700 | [diff] [blame] | 29 | #include "func.h" |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 30 | #include "io.h" |
| 31 | #include "log.h" |
| 32 | #include "ninja.h" |
| 33 | #include "stats.h" |
| 34 | #include "strutil.h" |
Shinichiro Hamaji | 702befc | 2016-01-27 17:21:39 +0900 | [diff] [blame] | 35 | #include "thread_pool.h" |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 36 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 37 | namespace { |
| 38 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 39 | #define RETURN_TRUE \ |
| 40 | do { \ |
| 41 | if (g_flags.dump_kati_stamp) \ |
| 42 | needs_regen_ = true; \ |
| 43 | else \ |
| 44 | return true; \ |
| 45 | } while (0) |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 46 | |
| 47 | bool ShouldIgnoreDirty(StringPiece s) { |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 48 | Pattern pat(g_flags.ignore_dirty_pattern); |
| 49 | Pattern nopat(g_flags.no_ignore_dirty_pattern); |
| 50 | return pat.Match(s) && !nopat.Match(s); |
| 51 | } |
| 52 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 53 | class StampChecker { |
| 54 | struct GlobResult { |
| 55 | string pat; |
| 56 | vector<string> result; |
| 57 | }; |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 58 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 59 | struct ShellResult { |
Dan Willemsen | f06d801 | 2016-10-03 00:16:07 -0700 | [diff] [blame] | 60 | CommandOp op; |
Stefan Becker | d4f2871 | 2016-04-07 13:29:36 +0300 | [diff] [blame] | 61 | string shell; |
Dan Willemsen | 064be22 | 2016-09-30 20:17:14 -0700 | [diff] [blame] | 62 | string shellflag; |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 63 | string cmd; |
| 64 | string result; |
| 65 | vector<string> missing_dirs; |
Dan Willemsen | 439f6f1 | 2016-10-19 01:13:54 -0700 | [diff] [blame] | 66 | vector<string> files; |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 67 | vector<string> read_dirs; |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 68 | }; |
| 69 | |
| 70 | public: |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 71 | StampChecker() : needs_regen_(false) {} |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 72 | |
| 73 | ~StampChecker() { |
| 74 | for (GlobResult* gr : globs_) { |
| 75 | delete gr; |
| 76 | } |
| 77 | for (ShellResult* sr : commands_) { |
| 78 | delete sr; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | bool NeedsRegen(double start_time, const string& orig_args) { |
| 83 | if (IsMissingOutputs()) |
| 84 | RETURN_TRUE; |
| 85 | |
| 86 | if (CheckStep1(orig_args)) |
| 87 | RETURN_TRUE; |
| 88 | |
| 89 | if (CheckStep2()) |
| 90 | RETURN_TRUE; |
| 91 | |
| 92 | if (!needs_regen_) { |
| 93 | FILE* fp = fopen(GetNinjaStampFilename().c_str(), "rb+"); |
| 94 | if (!fp) |
| 95 | return true; |
| 96 | ScopedFile sfp(fp); |
| 97 | if (fseek(fp, 0, SEEK_SET) < 0) |
| 98 | PERROR("fseek"); |
| 99 | size_t r = fwrite(&start_time, sizeof(start_time), 1, fp); |
| 100 | CHECK(r == 1); |
| 101 | } |
| 102 | return needs_regen_; |
| 103 | } |
| 104 | |
| 105 | private: |
| 106 | bool IsMissingOutputs() { |
| 107 | if (!Exists(GetNinjaFilename())) { |
| 108 | fprintf(stderr, "%s is missing, regenerating...\n", |
| 109 | GetNinjaFilename().c_str()); |
| 110 | return true; |
| 111 | } |
| 112 | if (!Exists(GetNinjaShellScriptFilename())) { |
| 113 | fprintf(stderr, "%s is missing, regenerating...\n", |
| 114 | GetNinjaShellScriptFilename().c_str()); |
| 115 | return true; |
| 116 | } |
| 117 | return false; |
| 118 | } |
| 119 | |
| 120 | bool CheckStep1(const string& orig_args) { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 121 | #define LOAD_INT(fp) \ |
| 122 | ({ \ |
| 123 | int v = LoadInt(fp); \ |
| 124 | if (v < 0) { \ |
| 125 | fprintf(stderr, "incomplete kati_stamp, regenerating...\n"); \ |
| 126 | RETURN_TRUE; \ |
| 127 | } \ |
| 128 | v; \ |
| 129 | }) |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 130 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 131 | #define LOAD_STRING(fp, s) \ |
| 132 | ({ \ |
| 133 | if (!LoadString(fp, s)) { \ |
| 134 | fprintf(stderr, "incomplete kati_stamp, regenerating...\n"); \ |
| 135 | RETURN_TRUE; \ |
| 136 | } \ |
| 137 | }) |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 138 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 139 | const string& stamp_filename = GetNinjaStampFilename(); |
| 140 | FILE* fp = fopen(stamp_filename.c_str(), "rb"); |
| 141 | if (!fp) { |
Dan Willemsen | f6486ce | 2016-09-16 19:21:36 -0700 | [diff] [blame] | 142 | if (g_flags.regen_debug) |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 143 | printf("%s: %s\n", stamp_filename.c_str(), strerror(errno)); |
| 144 | return true; |
| 145 | } |
| 146 | ScopedFile sfp(fp); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 147 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 148 | double gen_time; |
| 149 | size_t r = fread(&gen_time, sizeof(gen_time), 1, fp); |
| 150 | gen_time_ = gen_time; |
| 151 | if (r != 1) { |
| 152 | fprintf(stderr, "incomplete kati_stamp, regenerating...\n"); |
| 153 | RETURN_TRUE; |
| 154 | } |
Dan Willemsen | f6486ce | 2016-09-16 19:21:36 -0700 | [diff] [blame] | 155 | if (g_flags.regen_debug) |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 156 | printf("Generated time: %f\n", gen_time); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 157 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 158 | string s, s2; |
| 159 | int num_files = LOAD_INT(fp); |
| 160 | for (int i = 0; i < num_files; i++) { |
| 161 | LOAD_STRING(fp, &s); |
| 162 | double ts = GetTimestamp(s); |
| 163 | if (gen_time < ts) { |
| 164 | if (g_flags.regen_ignoring_kati_binary) { |
| 165 | string kati_binary; |
| 166 | GetExecutablePath(&kati_binary); |
| 167 | if (s == kati_binary) { |
| 168 | fprintf(stderr, "%s was modified, ignored.\n", s.c_str()); |
| 169 | continue; |
| 170 | } |
| 171 | } |
| 172 | if (ShouldIgnoreDirty(s)) { |
Dan Willemsen | f6486ce | 2016-09-16 19:21:36 -0700 | [diff] [blame] | 173 | if (g_flags.regen_debug) |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 174 | printf("file %s: ignored (%f)\n", s.c_str(), ts); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 175 | continue; |
| 176 | } |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 177 | if (g_flags.dump_kati_stamp) |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 178 | printf("file %s: dirty (%f)\n", s.c_str(), ts); |
| 179 | else |
| 180 | fprintf(stderr, "%s was modified, regenerating...\n", s.c_str()); |
| 181 | RETURN_TRUE; |
| 182 | } else if (g_flags.dump_kati_stamp) { |
| 183 | printf("file %s: clean (%f)\n", s.c_str(), ts); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 184 | } |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 185 | } |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 186 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 187 | int num_undefineds = LOAD_INT(fp); |
| 188 | for (int i = 0; i < num_undefineds; i++) { |
| 189 | LOAD_STRING(fp, &s); |
| 190 | if (getenv(s.c_str())) { |
| 191 | if (g_flags.dump_kati_stamp) { |
| 192 | printf("env %s: dirty (unset => %s)\n", s.c_str(), getenv(s.c_str())); |
| 193 | } else { |
| 194 | fprintf(stderr, "Environment variable %s was set, regenerating...\n", |
| 195 | s.c_str()); |
| 196 | } |
| 197 | RETURN_TRUE; |
| 198 | } else if (g_flags.dump_kati_stamp) { |
| 199 | printf("env %s: clean (unset)\n", s.c_str()); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 200 | } |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 201 | } |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 202 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 203 | int num_envs = LOAD_INT(fp); |
| 204 | for (int i = 0; i < num_envs; i++) { |
| 205 | LOAD_STRING(fp, &s); |
| 206 | StringPiece val(getenv(s.c_str())); |
| 207 | LOAD_STRING(fp, &s2); |
| 208 | if (val != s2) { |
| 209 | if (g_flags.dump_kati_stamp) { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 210 | printf("env %s: dirty (%s => %.*s)\n", s.c_str(), s2.c_str(), |
| 211 | SPF(val)); |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 212 | } else { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 213 | fprintf(stderr, |
| 214 | "Environment variable %s was modified (%s => %.*s), " |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 215 | "regenerating...\n", |
| 216 | s.c_str(), s2.c_str(), SPF(val)); |
| 217 | } |
| 218 | RETURN_TRUE; |
| 219 | } else if (g_flags.dump_kati_stamp) { |
| 220 | printf("env %s: clean (%.*s)\n", s.c_str(), SPF(val)); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 221 | } |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 222 | } |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 223 | |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 224 | int num_globs = LOAD_INT(fp); |
| 225 | string pat; |
| 226 | for (int i = 0; i < num_globs; i++) { |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 227 | GlobResult* gr = new GlobResult; |
| 228 | globs_.push_back(gr); |
| 229 | |
| 230 | LOAD_STRING(fp, &gr->pat); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 231 | int num_files = LOAD_INT(fp); |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 232 | gr->result.resize(num_files); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 233 | for (int j = 0; j < num_files; j++) { |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 234 | LOAD_STRING(fp, &gr->result[j]); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 235 | } |
| 236 | } |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 237 | |
| 238 | int num_crs = LOAD_INT(fp); |
| 239 | for (int i = 0; i < num_crs; i++) { |
| 240 | ShellResult* sr = new ShellResult; |
| 241 | commands_.push_back(sr); |
Dan Willemsen | f06d801 | 2016-10-03 00:16:07 -0700 | [diff] [blame] | 242 | sr->op = static_cast<CommandOp>(LOAD_INT(fp)); |
Stefan Becker | d4f2871 | 2016-04-07 13:29:36 +0300 | [diff] [blame] | 243 | LOAD_STRING(fp, &sr->shell); |
Dan Willemsen | 064be22 | 2016-09-30 20:17:14 -0700 | [diff] [blame] | 244 | LOAD_STRING(fp, &sr->shellflag); |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 245 | LOAD_STRING(fp, &sr->cmd); |
| 246 | LOAD_STRING(fp, &sr->result); |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 247 | |
Dan Willemsen | f06d801 | 2016-10-03 00:16:07 -0700 | [diff] [blame] | 248 | if (sr->op == CommandOp::FIND) { |
| 249 | int num_missing_dirs = LOAD_INT(fp); |
| 250 | for (int j = 0; j < num_missing_dirs; j++) { |
| 251 | LOAD_STRING(fp, &s); |
| 252 | sr->missing_dirs.push_back(s); |
| 253 | } |
Dan Willemsen | 439f6f1 | 2016-10-19 01:13:54 -0700 | [diff] [blame] | 254 | int num_files = LOAD_INT(fp); |
| 255 | for (int j = 0; j < num_files; j++) { |
| 256 | LOAD_STRING(fp, &s); |
| 257 | sr->files.push_back(s); |
| 258 | } |
Dan Willemsen | f06d801 | 2016-10-03 00:16:07 -0700 | [diff] [blame] | 259 | int num_read_dirs = LOAD_INT(fp); |
| 260 | for (int j = 0; j < num_read_dirs; j++) { |
| 261 | LOAD_STRING(fp, &s); |
| 262 | sr->read_dirs.push_back(s); |
| 263 | } |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 264 | } |
| 265 | } |
| 266 | |
| 267 | LoadString(fp, &s); |
| 268 | if (orig_args != s) { |
| 269 | fprintf(stderr, "arguments changed, regenerating...\n"); |
| 270 | RETURN_TRUE; |
| 271 | } |
| 272 | |
| 273 | return needs_regen_; |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 274 | } |
| 275 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 276 | bool CheckGlobResult(const GlobResult* gr, string* err) { |
| 277 | COLLECT_STATS("glob time (regen)"); |
| 278 | vector<string>* files; |
| 279 | Glob(gr->pat.c_str(), &files); |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 280 | bool needs_regen = files->size() != gr->result.size(); |
| 281 | for (size_t i = 0; i < gr->result.size(); i++) { |
| 282 | if (!needs_regen) { |
| 283 | if ((*files)[i] != gr->result[i]) { |
| 284 | needs_regen = true; |
| 285 | break; |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 286 | } |
| 287 | } |
| 288 | } |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 289 | if (needs_regen) { |
| 290 | if (ShouldIgnoreDirty(gr->pat)) { |
| 291 | if (g_flags.dump_kati_stamp) { |
| 292 | printf("wildcard %s: ignored\n", gr->pat.c_str()); |
| 293 | } |
| 294 | return false; |
| 295 | } |
| 296 | if (g_flags.dump_kati_stamp) { |
| 297 | printf("wildcard %s: dirty\n", gr->pat.c_str()); |
| 298 | } else { |
| 299 | *err = StringPrintf("wildcard(%s) was changed, regenerating...\n", |
| 300 | gr->pat.c_str()); |
| 301 | } |
| 302 | } else if (g_flags.dump_kati_stamp) { |
| 303 | printf("wildcard %s: clean\n", gr->pat.c_str()); |
| 304 | } |
| 305 | return needs_regen; |
| 306 | } |
| 307 | |
| 308 | bool ShouldRunCommand(const ShellResult* sr) { |
Dan Willemsen | f06d801 | 2016-10-03 00:16:07 -0700 | [diff] [blame] | 309 | if (sr->op != CommandOp::FIND) |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 310 | return true; |
| 311 | |
| 312 | COLLECT_STATS("stat time (regen)"); |
| 313 | for (const string& dir : sr->missing_dirs) { |
| 314 | if (Exists(dir)) |
| 315 | return true; |
| 316 | } |
Dan Willemsen | 439f6f1 | 2016-10-19 01:13:54 -0700 | [diff] [blame] | 317 | for (const string& file : sr->files) { |
| 318 | if (!Exists(file)) |
| 319 | return true; |
| 320 | } |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 321 | for (const string& dir : sr->read_dirs) { |
| 322 | // We assume we rarely do a significant change for the top |
| 323 | // directory which affects the results of find command. |
| 324 | if (dir == "" || dir == "." || ShouldIgnoreDirty(dir)) |
| 325 | continue; |
| 326 | |
| 327 | struct stat st; |
| 328 | if (lstat(dir.c_str(), &st) != 0) { |
| 329 | return true; |
| 330 | } |
| 331 | double ts = GetTimestampFromStat(st); |
| 332 | if (gen_time_ < ts) { |
| 333 | return true; |
| 334 | } |
| 335 | if (S_ISLNK(st.st_mode)) { |
| 336 | ts = GetTimestamp(dir); |
| 337 | if (ts < 0 || gen_time_ < ts) |
| 338 | return true; |
| 339 | } |
| 340 | } |
| 341 | return false; |
| 342 | } |
| 343 | |
| 344 | bool CheckShellResult(const ShellResult* sr, string* err) { |
Dan Willemsen | f06d801 | 2016-10-03 00:16:07 -0700 | [diff] [blame] | 345 | if (sr->op == CommandOp::READ_MISSING) { |
| 346 | if (Exists(sr->cmd)) { |
| 347 | if (g_flags.dump_kati_stamp) |
| 348 | printf("file %s: dirty\n", sr->cmd.c_str()); |
| 349 | else |
| 350 | *err = StringPrintf("$(file <%s) was changed, regenerating...\n", |
| 351 | sr->cmd.c_str()); |
| 352 | return true; |
| 353 | } |
| 354 | if (g_flags.dump_kati_stamp) |
| 355 | printf("file %s: clean\n", sr->cmd.c_str()); |
| 356 | return false; |
| 357 | } |
| 358 | |
| 359 | if (sr->op == CommandOp::READ) { |
| 360 | double ts = GetTimestamp(sr->cmd); |
| 361 | if (gen_time_ < ts) { |
| 362 | if (g_flags.dump_kati_stamp) |
| 363 | printf("file %s: dirty\n", sr->cmd.c_str()); |
| 364 | else |
| 365 | *err = StringPrintf("$(file <%s) was changed, regenerating...\n", |
| 366 | sr->cmd.c_str()); |
| 367 | return true; |
| 368 | } |
| 369 | if (g_flags.dump_kati_stamp) |
| 370 | printf("file %s: clean\n", sr->cmd.c_str()); |
| 371 | return false; |
| 372 | } |
| 373 | |
| 374 | if (sr->op == CommandOp::WRITE || sr->op == CommandOp::APPEND) { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 375 | FILE* f = |
| 376 | fopen(sr->cmd.c_str(), (sr->op == CommandOp::WRITE) ? "wb" : "ab"); |
Dan Willemsen | f06d801 | 2016-10-03 00:16:07 -0700 | [diff] [blame] | 377 | if (f == NULL) { |
| 378 | PERROR("fopen"); |
| 379 | } |
| 380 | |
| 381 | if (fwrite(&sr->result[0], sr->result.size(), 1, f) != 1) { |
| 382 | PERROR("fwrite"); |
| 383 | } |
| 384 | |
| 385 | if (fclose(f) != 0) { |
| 386 | PERROR("fclose"); |
| 387 | } |
| 388 | |
| 389 | if (g_flags.dump_kati_stamp) |
| 390 | printf("file %s: clean (write)\n", sr->cmd.c_str()); |
| 391 | return false; |
| 392 | } |
| 393 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 394 | if (!ShouldRunCommand(sr)) { |
Dan Willemsen | f6486ce | 2016-09-16 19:21:36 -0700 | [diff] [blame] | 395 | if (g_flags.regen_debug) |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 396 | printf("shell %s: clean (no rerun)\n", sr->cmd.c_str()); |
| 397 | return false; |
| 398 | } |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 399 | |
| 400 | FindCommand fc; |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 401 | if (fc.Parse(sr->cmd) && !fc.chdir.empty() && ShouldIgnoreDirty(fc.chdir)) { |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 402 | if (g_flags.dump_kati_stamp) |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 403 | printf("shell %s: ignored\n", sr->cmd.c_str()); |
| 404 | return false; |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 405 | } |
| 406 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 407 | COLLECT_STATS_WITH_SLOW_REPORT("shell time (regen)", sr->cmd.c_str()); |
| 408 | string result; |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 409 | RunCommand(sr->shell, sr->shellflag, sr->cmd, RedirectStderr::DEV_NULL, |
| 410 | &result); |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 411 | FormatForCommandSubstitution(&result); |
| 412 | if (sr->result != result) { |
| 413 | if (g_flags.dump_kati_stamp) { |
| 414 | printf("shell %s: dirty\n", sr->cmd.c_str()); |
| 415 | } else { |
| 416 | *err = StringPrintf("$(shell %s) was changed, regenerating...\n", |
| 417 | sr->cmd.c_str()); |
| 418 | //*err += StringPrintf("%s => %s\n", expected.c_str(), result.c_str()); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 419 | } |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 420 | return true; |
Dan Willemsen | f6486ce | 2016-09-16 19:21:36 -0700 | [diff] [blame] | 421 | } else if (g_flags.regen_debug) { |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 422 | printf("shell %s: clean (rerun)\n", sr->cmd.c_str()); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 423 | } |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 424 | return false; |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 425 | } |
| 426 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 427 | bool CheckStep2() { |
| 428 | unique_ptr<ThreadPool> tp(NewThreadPool(g_flags.num_jobs)); |
| 429 | |
| 430 | tp->Submit([this]() { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 431 | string err; |
| 432 | // TODO: Make glob cache thread safe and create a task for each glob. |
Dan Willemsen | 6347206 | 2018-10-30 21:24:23 -0700 | [diff] [blame] | 433 | SetAffinityForSingleThread(); |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 434 | for (GlobResult* gr : globs_) { |
| 435 | if (CheckGlobResult(gr, &err)) { |
| 436 | unique_lock<mutex> lock(mu_); |
| 437 | if (!needs_regen_) { |
| 438 | needs_regen_ = true; |
| 439 | msg_ = err; |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 440 | } |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 441 | break; |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 442 | } |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 443 | } |
| 444 | }); |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 445 | |
Dan Willemsen | d325f59 | 2016-10-03 01:00:08 -0700 | [diff] [blame] | 446 | tp->Submit([this]() { |
Dan Willemsen | 6347206 | 2018-10-30 21:24:23 -0700 | [diff] [blame] | 447 | SetAffinityForSingleThread(); |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 448 | for (ShellResult* sr : commands_) { |
| 449 | string err; |
| 450 | if (CheckShellResult(sr, &err)) { |
| 451 | unique_lock<mutex> lock(mu_); |
| 452 | if (!needs_regen_) { |
| 453 | needs_regen_ = true; |
| 454 | msg_ = err; |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 455 | } |
Dan Willemsen | d325f59 | 2016-10-03 01:00:08 -0700 | [diff] [blame] | 456 | } |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 457 | } |
| 458 | }); |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 459 | |
| 460 | tp->Wait(); |
| 461 | if (needs_regen_) { |
| 462 | fprintf(stderr, "%s", msg_.c_str()); |
| 463 | } |
| 464 | return needs_regen_; |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 465 | } |
| 466 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 467 | private: |
| 468 | double gen_time_; |
| 469 | vector<GlobResult*> globs_; |
| 470 | vector<ShellResult*> commands_; |
Shinichiro Hamaji | 8380fb8 | 2016-02-26 16:51:50 +0900 | [diff] [blame] | 471 | mutex mu_; |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 472 | bool needs_regen_; |
| 473 | string msg_; |
| 474 | }; |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 475 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 476 | } // namespace |
| 477 | |
| 478 | bool NeedsRegen(double start_time, const string& orig_args) { |
| 479 | return StampChecker().NeedsRegen(start_time, orig_args); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 480 | } |