Shinichiro Hamaji | 5f86e1a | 2015-06-29 14:25:39 +0900 | [diff] [blame] | 1 | // Copyright 2015 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 | |
| 15 | // +build ignore |
| 16 | |
| 17 | #include "ninja.h" |
| 18 | |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 19 | #include <stdio.h> |
Shinichiro Hamaji | 54b93ba | 2015-07-03 20:43:32 +0900 | [diff] [blame] | 20 | #include <sys/stat.h> |
| 21 | #include <unistd.h> |
Shinichiro Hamaji | 5f86e1a | 2015-06-29 14:25:39 +0900 | [diff] [blame] | 22 | |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 23 | #include <memory> |
| 24 | #include <string> |
| 25 | #include <unordered_set> |
| 26 | |
| 27 | #include "command.h" |
| 28 | #include "dep.h" |
| 29 | #include "eval.h" |
Shinichiro Hamaji | 087cecd | 2015-07-06 19:51:58 +0900 | [diff] [blame] | 30 | #include "flags.h" |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 31 | #include "log.h" |
| 32 | #include "string_piece.h" |
| 33 | #include "stringprintf.h" |
| 34 | #include "strutil.h" |
| 35 | #include "var.h" |
Shinichiro Hamaji | d821f6d | 2015-07-14 04:03:27 +0900 | [diff] [blame] | 36 | #include "version.h" |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 37 | |
Shinichiro Hamaji | e9f7e67 | 2015-07-03 15:57:45 +0900 | [diff] [blame] | 38 | static StringPiece FindCommandLineFlagWithArg(StringPiece cmd, |
| 39 | StringPiece name) { |
| 40 | size_t index = cmd.find(name); |
| 41 | if (index == string::npos) |
| 42 | return StringPiece(); |
| 43 | |
| 44 | StringPiece val = TrimLeftSpace(cmd.substr(index + name.size())); |
| 45 | index = val.find(name); |
| 46 | while (index != string::npos) { |
| 47 | val = TrimLeftSpace(val.substr(index + name.size())); |
| 48 | index = val.find(name); |
| 49 | } |
| 50 | |
Shinichiro Hamaji | 9facae2 | 2015-07-03 17:16:36 +0900 | [diff] [blame] | 51 | index = val.find(' '); |
Shinichiro Hamaji | e9f7e67 | 2015-07-03 15:57:45 +0900 | [diff] [blame] | 52 | CHECK(index != string::npos); |
| 53 | return val.substr(0, index); |
| 54 | } |
| 55 | |
Shinichiro Hamaji | 9facae2 | 2015-07-03 17:16:36 +0900 | [diff] [blame] | 56 | static bool StripPrefix(StringPiece p, StringPiece* s) { |
| 57 | if (!HasPrefix(*s, p)) |
| 58 | return false; |
| 59 | *s = s->substr(p.size()); |
| 60 | return true; |
| 61 | } |
| 62 | |
Shinichiro Hamaji | 2c9fcbe | 2015-07-14 03:36:34 +0900 | [diff] [blame] | 63 | size_t GetGomaccPosForAndroidCompileCommand(StringPiece cmdline) { |
| 64 | size_t index = cmdline.find(' '); |
Shinichiro Hamaji | 9facae2 | 2015-07-03 17:16:36 +0900 | [diff] [blame] | 65 | if (index == string::npos) |
Shinichiro Hamaji | 2c9fcbe | 2015-07-14 03:36:34 +0900 | [diff] [blame] | 66 | return string::npos; |
| 67 | StringPiece cmd = cmdline.substr(0, index); |
| 68 | if (HasSuffix(cmd, "ccache")) { |
| 69 | index++; |
| 70 | size_t pos = GetGomaccPosForAndroidCompileCommand(cmdline.substr(index)); |
| 71 | return pos == string::npos ? string::npos : pos + index; |
| 72 | } |
| 73 | if (!StripPrefix("prebuilts/", &cmd)) |
| 74 | return string::npos; |
| 75 | if (!StripPrefix("gcc/", &cmd) && !StripPrefix("clang/", &cmd)) |
| 76 | return string::npos; |
| 77 | if (!HasSuffix(cmd, "gcc") && !HasSuffix(cmd, "g++") && |
| 78 | !HasSuffix(cmd, "clang") && !HasSuffix(cmd, "clang++")) { |
| 79 | return string::npos; |
Shinichiro Hamaji | 9facae2 | 2015-07-03 17:16:36 +0900 | [diff] [blame] | 80 | } |
| 81 | |
Shinichiro Hamaji | 2c9fcbe | 2015-07-14 03:36:34 +0900 | [diff] [blame] | 82 | StringPiece rest = cmdline.substr(index); |
| 83 | return rest.find(" -c ") != string::npos ? 0 : string::npos; |
Shinichiro Hamaji | 9facae2 | 2015-07-03 17:16:36 +0900 | [diff] [blame] | 84 | } |
| 85 | |
| 86 | static bool GetDepfileFromCommandImpl(StringPiece cmd, string* out) { |
Shinichiro Hamaji | d416e61 | 2015-07-18 12:43:34 +0900 | [diff] [blame] | 87 | if ((cmd.find(StringPiece(" -MD ")) == string::npos && |
| 88 | cmd.find(StringPiece(" -MMD ")) == string::npos) || |
| 89 | cmd.find(StringPiece(" -c ")) == string::npos) { |
Shinichiro Hamaji | e9f7e67 | 2015-07-03 15:57:45 +0900 | [diff] [blame] | 90 | return false; |
| 91 | } |
| 92 | |
Shinichiro Hamaji | 388e858 | 2015-07-03 16:51:46 +0900 | [diff] [blame] | 93 | StringPiece mf = FindCommandLineFlagWithArg(cmd, StringPiece(" -MF ")); |
Shinichiro Hamaji | e9f7e67 | 2015-07-03 15:57:45 +0900 | [diff] [blame] | 94 | if (!mf.empty()) { |
| 95 | mf.AppendToString(out); |
| 96 | return true; |
| 97 | } |
| 98 | |
Shinichiro Hamaji | 388e858 | 2015-07-03 16:51:46 +0900 | [diff] [blame] | 99 | StringPiece o = FindCommandLineFlagWithArg(cmd, StringPiece(" -o ")); |
Shinichiro Hamaji | e9f7e67 | 2015-07-03 15:57:45 +0900 | [diff] [blame] | 100 | if (o.empty()) { |
| 101 | ERROR("Cannot find the depfile in %s", cmd.as_string().c_str()); |
| 102 | return false; |
| 103 | } |
| 104 | |
| 105 | StripExt(o).AppendToString(out); |
| 106 | *out += ".d"; |
| 107 | return true; |
| 108 | } |
| 109 | |
Shinichiro Hamaji | 7196641 | 2015-07-11 03:12:59 +0900 | [diff] [blame] | 110 | bool GetDepfileFromCommand(string* cmd, string* out) { |
| 111 | CHECK(!cmd->empty()); |
| 112 | CHECK((*cmd)[cmd->size()-1] == ' '); |
Shinichiro Hamaji | e9f7e67 | 2015-07-03 15:57:45 +0900 | [diff] [blame] | 113 | |
Shinichiro Hamaji | 7196641 | 2015-07-11 03:12:59 +0900 | [diff] [blame] | 114 | if (!GetDepfileFromCommandImpl(*cmd, out)) |
Shinichiro Hamaji | e9f7e67 | 2015-07-03 15:57:45 +0900 | [diff] [blame] | 115 | return false; |
| 116 | |
| 117 | // A hack for Android - llvm-rs-cc seems not to emit a dep file. |
Shinichiro Hamaji | 7196641 | 2015-07-11 03:12:59 +0900 | [diff] [blame] | 118 | if (cmd->find("bin/llvm-rs-cc ") != string::npos) { |
Shinichiro Hamaji | e9f7e67 | 2015-07-03 15:57:45 +0900 | [diff] [blame] | 119 | return false; |
| 120 | } |
| 121 | |
| 122 | // TODO: A hack for Makefiles generated by automake. |
| 123 | |
| 124 | // A hack for Android to get .P files instead of .d. |
| 125 | string p; |
| 126 | StripExt(*out).AppendToString(&p); |
| 127 | p += ".P"; |
Shinichiro Hamaji | 7196641 | 2015-07-11 03:12:59 +0900 | [diff] [blame] | 128 | if (cmd->find(p) != string::npos) { |
| 129 | const string rm_f = "; rm -f " + *out; |
| 130 | const size_t found = cmd->find(rm_f); |
| 131 | if (found == string::npos) { |
| 132 | ERROR("Cannot find removal of .d file: %s", cmd->c_str()); |
| 133 | } |
| 134 | cmd->erase(found, rm_f.size()); |
Shinichiro Hamaji | e9f7e67 | 2015-07-03 15:57:45 +0900 | [diff] [blame] | 135 | return true; |
| 136 | } |
| 137 | |
| 138 | // A hack for Android. For .s files, GCC does not use C |
| 139 | // preprocessor, so it ignores -MF flag. |
| 140 | string as = "/"; |
| 141 | StripExt(Basename(*out)).AppendToString(&as); |
| 142 | as += ".s"; |
Shinichiro Hamaji | 7196641 | 2015-07-11 03:12:59 +0900 | [diff] [blame] | 143 | if (cmd->find(as) != string::npos) { |
Shinichiro Hamaji | e9f7e67 | 2015-07-03 15:57:45 +0900 | [diff] [blame] | 144 | return false; |
| 145 | } |
| 146 | |
Shinichiro Hamaji | d416e61 | 2015-07-18 12:43:34 +0900 | [diff] [blame] | 147 | *cmd += "&& cp "; |
Shinichiro Hamaji | 7196641 | 2015-07-11 03:12:59 +0900 | [diff] [blame] | 148 | *cmd += *out; |
| 149 | *cmd += ' '; |
| 150 | *cmd += *out; |
Shinichiro Hamaji | d416e61 | 2015-07-18 12:43:34 +0900 | [diff] [blame] | 151 | *cmd += ".tmp "; |
Shinichiro Hamaji | 7196641 | 2015-07-11 03:12:59 +0900 | [diff] [blame] | 152 | *out += ".tmp"; |
Shinichiro Hamaji | e9f7e67 | 2015-07-03 15:57:45 +0900 | [diff] [blame] | 153 | return true; |
| 154 | } |
| 155 | |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 156 | class NinjaGenerator { |
| 157 | public: |
Colin Cross | bb2bba1 | 2015-07-20 16:31:18 -0700 | [diff] [blame^] | 158 | NinjaGenerator(const char* ninja_suffix, const char* ninja_dir, Evaluator* ev) |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 159 | : ce_(ev), ev_(ev), fp_(NULL), rule_id_(0) { |
| 160 | ev_->set_avoid_io(true); |
Colin Cross | e890a91 | 2015-07-20 13:28:00 -0700 | [diff] [blame] | 161 | shell_ = ev->EvalVar(kShellSym); |
Shinichiro Hamaji | 9facae2 | 2015-07-03 17:16:36 +0900 | [diff] [blame] | 162 | if (g_goma_dir) |
| 163 | gomacc_ = StringPrintf("%s/gomacc ", g_goma_dir); |
Shinichiro Hamaji | 8bddb46 | 2015-07-06 18:55:47 +0900 | [diff] [blame] | 164 | if (ninja_suffix) { |
| 165 | ninja_suffix_ = ninja_suffix; |
| 166 | } |
Colin Cross | bb2bba1 | 2015-07-20 16:31:18 -0700 | [diff] [blame^] | 167 | if (ninja_dir) { |
| 168 | ninja_dir_ = ninja_dir; |
| 169 | } else { |
| 170 | ninja_dir_ = "."; |
| 171 | } |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 172 | } |
| 173 | |
| 174 | ~NinjaGenerator() { |
| 175 | ev_->set_avoid_io(false); |
| 176 | } |
| 177 | |
Shinichiro Hamaji | 43defe0 | 2015-07-11 07:06:43 +0900 | [diff] [blame] | 178 | void Generate(const vector<DepNode*>& nodes, bool build_all_targets) { |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 179 | GenerateShell(); |
Shinichiro Hamaji | 43defe0 | 2015-07-11 07:06:43 +0900 | [diff] [blame] | 180 | GenerateNinja(nodes, build_all_targets); |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 181 | } |
| 182 | |
| 183 | private: |
| 184 | string GenRuleName() { |
| 185 | return StringPrintf("rule%d", rule_id_++); |
| 186 | } |
| 187 | |
| 188 | StringPiece TranslateCommand(const char* in) { |
| 189 | const size_t orig_size = cmd_buf_.size(); |
| 190 | bool prev_backslash = false; |
Shinichiro Hamaji | 53eaaf8 | 2015-07-15 06:09:43 +0900 | [diff] [blame] | 191 | // Set space as an initial value so the leading comment will be |
| 192 | // stripped out. |
| 193 | char prev_char = ' '; |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 194 | char quote = 0; |
| 195 | bool done = false; |
| 196 | for (; *in && !done; in++) { |
| 197 | switch (*in) { |
| 198 | case '#': |
Shinichiro Hamaji | 53eaaf8 | 2015-07-15 06:09:43 +0900 | [diff] [blame] | 199 | if (quote == 0 && isspace(prev_char)) { |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 200 | done = true; |
Colin Cross | 415e4a1 | 2015-07-15 18:21:38 -0700 | [diff] [blame] | 201 | } else { |
| 202 | cmd_buf_ += *in; |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 203 | } |
Colin Cross | 415e4a1 | 2015-07-15 18:21:38 -0700 | [diff] [blame] | 204 | break; |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 205 | |
| 206 | case '\'': |
| 207 | case '"': |
| 208 | case '`': |
| 209 | if (quote) { |
| 210 | if (quote == *in) |
| 211 | quote = 0; |
| 212 | } else if (!prev_backslash) { |
| 213 | quote = *in; |
| 214 | } |
Shinichiro Hamaji | f79ca53 | 2015-06-29 17:25:54 +0900 | [diff] [blame] | 215 | cmd_buf_ += *in; |
Shinichiro Hamaji | 4212e38 | 2015-06-29 17:21:04 +0900 | [diff] [blame] | 216 | break; |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 217 | |
| 218 | case '$': |
| 219 | cmd_buf_ += "$$"; |
| 220 | break; |
| 221 | |
| 222 | case '\t': |
| 223 | cmd_buf_ += ' '; |
| 224 | break; |
| 225 | |
| 226 | case '\n': |
| 227 | if (prev_backslash) { |
| 228 | cmd_buf_[cmd_buf_.size()-1] = ' '; |
| 229 | } else { |
| 230 | cmd_buf_ += ' '; |
| 231 | } |
Shinichiro Hamaji | 4d15183 | 2015-06-29 18:15:46 +0900 | [diff] [blame] | 232 | break; |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 233 | |
| 234 | case '\\': |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 235 | cmd_buf_ += '\\'; |
| 236 | break; |
| 237 | |
| 238 | default: |
| 239 | cmd_buf_ += *in; |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 240 | } |
Colin Cross | f6f1cf4 | 2015-07-15 15:25:30 -0700 | [diff] [blame] | 241 | |
| 242 | if (*in == '\\') { |
| 243 | prev_backslash = !prev_backslash; |
| 244 | } else { |
| 245 | prev_backslash = false; |
| 246 | } |
| 247 | |
Shinichiro Hamaji | 53eaaf8 | 2015-07-15 06:09:43 +0900 | [diff] [blame] | 248 | prev_char = *in; |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 249 | } |
| 250 | |
| 251 | while (true) { |
| 252 | char c = cmd_buf_[cmd_buf_.size()-1]; |
| 253 | if (!isspace(c) && c != ';') |
| 254 | break; |
| 255 | cmd_buf_.resize(cmd_buf_.size() - 1); |
| 256 | } |
| 257 | |
| 258 | return StringPiece(cmd_buf_.data() + orig_size, |
| 259 | cmd_buf_.size() - orig_size); |
| 260 | } |
| 261 | |
Colin Cross | 2e032ba | 2015-07-15 18:33:37 -0700 | [diff] [blame] | 262 | bool GetDescriptionFromCommand(StringPiece cmd, string *out) { |
Colin Cross | 2e032ba | 2015-07-15 18:33:37 -0700 | [diff] [blame] | 263 | if (!HasPrefix(cmd, "echo ")) { |
| 264 | return false; |
| 265 | } |
| 266 | cmd = cmd.substr(5, cmd.size()); |
| 267 | |
Colin Cross | 2e032ba | 2015-07-15 18:33:37 -0700 | [diff] [blame] | 268 | bool prev_backslash = false; |
| 269 | char quote = 0; |
| 270 | string out_buf; |
| 271 | |
| 272 | // Strip outer quotes, and fail if it is not a single echo command |
| 273 | for (StringPiece::iterator in = cmd.begin(); in != cmd.end(); in++) { |
| 274 | if (prev_backslash) { |
| 275 | prev_backslash = false; |
| 276 | out_buf += *in; |
| 277 | } else if (*in == '\\') { |
| 278 | prev_backslash = true; |
| 279 | out_buf += *in; |
| 280 | } else if (quote) { |
| 281 | if (*in == quote) { |
| 282 | quote = 0; |
| 283 | } else { |
| 284 | out_buf += *in; |
| 285 | } |
| 286 | } else { |
| 287 | switch (*in) { |
| 288 | case '\'': |
| 289 | case '"': |
| 290 | case '`': |
| 291 | quote = *in; |
| 292 | break; |
| 293 | |
| 294 | case '<': |
| 295 | case '>': |
| 296 | case '&': |
| 297 | case '|': |
| 298 | case ';': |
| 299 | return false; |
| 300 | |
| 301 | default: |
| 302 | out_buf += *in; |
| 303 | } |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | *out = out_buf; |
| 308 | return true; |
| 309 | } |
| 310 | |
Shinichiro Hamaji | 2ee6ca1 | 2015-07-18 03:37:21 +0900 | [diff] [blame] | 311 | bool GenShellScript(const vector<Command*>& commands, string* description) { |
| 312 | bool got_descritpion = false; |
Shinichiro Hamaji | 9facae2 | 2015-07-03 17:16:36 +0900 | [diff] [blame] | 313 | bool use_gomacc = false; |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 314 | bool should_ignore_error = false; |
| 315 | cmd_buf_.clear(); |
| 316 | for (const Command* c : commands) { |
| 317 | if (!cmd_buf_.empty()) { |
| 318 | if (should_ignore_error) { |
| 319 | cmd_buf_ += " ; "; |
| 320 | } else { |
| 321 | cmd_buf_ += " && "; |
| 322 | } |
| 323 | } |
| 324 | should_ignore_error = c->ignore_error; |
| 325 | |
| 326 | const char* in = c->cmd->c_str(); |
| 327 | while (isspace(*in)) |
| 328 | in++; |
| 329 | |
| 330 | bool needs_subshell = commands.size() > 1; |
| 331 | if (*in == '(') { |
| 332 | needs_subshell = false; |
| 333 | } |
| 334 | |
| 335 | if (needs_subshell) |
| 336 | cmd_buf_ += '('; |
| 337 | |
Shinichiro Hamaji | 9facae2 | 2015-07-03 17:16:36 +0900 | [diff] [blame] | 338 | size_t cmd_start = cmd_buf_.size(); |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 339 | StringPiece translated = TranslateCommand(in); |
Shinichiro Hamaji | 2ee6ca1 | 2015-07-18 03:37:21 +0900 | [diff] [blame] | 340 | if (g_detect_android_echo && !got_descritpion && !c->echo && |
| 341 | GetDescriptionFromCommand(translated, description)) { |
| 342 | got_descritpion = true; |
| 343 | cmd_buf_.resize(cmd_start); |
| 344 | translated.clear(); |
| 345 | } |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 346 | if (translated.empty()) { |
| 347 | cmd_buf_ += "true"; |
Shinichiro Hamaji | 2c9fcbe | 2015-07-14 03:36:34 +0900 | [diff] [blame] | 348 | } else if (g_goma_dir) { |
| 349 | size_t pos = GetGomaccPosForAndroidCompileCommand(translated); |
| 350 | if (pos != string::npos) { |
| 351 | cmd_buf_.insert(cmd_start + pos, gomacc_); |
| 352 | use_gomacc = true; |
| 353 | } |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 354 | } |
| 355 | |
| 356 | if (c == commands.back() && c->ignore_error) { |
| 357 | cmd_buf_ += " ; true"; |
| 358 | } |
| 359 | |
| 360 | if (needs_subshell) |
| 361 | cmd_buf_ += ')'; |
| 362 | } |
Shinichiro Hamaji | 9facae2 | 2015-07-03 17:16:36 +0900 | [diff] [blame] | 363 | return g_goma_dir && !use_gomacc; |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 364 | } |
| 365 | |
Shinichiro Hamaji | e9f7e67 | 2015-07-03 15:57:45 +0900 | [diff] [blame] | 366 | void EmitDepfile() { |
| 367 | cmd_buf_ += ' '; |
| 368 | string depfile; |
Shinichiro Hamaji | 7196641 | 2015-07-11 03:12:59 +0900 | [diff] [blame] | 369 | bool result = GetDepfileFromCommand(&cmd_buf_, &depfile); |
Shinichiro Hamaji | e9f7e67 | 2015-07-03 15:57:45 +0900 | [diff] [blame] | 370 | cmd_buf_.resize(cmd_buf_.size()-1); |
| 371 | if (!result) |
| 372 | return; |
| 373 | fprintf(fp_, " depfile = %s\n", depfile.c_str()); |
Shinichiro Hamaji | 7196641 | 2015-07-11 03:12:59 +0900 | [diff] [blame] | 374 | fprintf(fp_, " deps = gcc\n"); |
Shinichiro Hamaji | e9f7e67 | 2015-07-03 15:57:45 +0900 | [diff] [blame] | 375 | } |
| 376 | |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 377 | void EmitNode(DepNode* node) { |
| 378 | auto p = done_.insert(node->output); |
| 379 | if (!p.second) |
| 380 | return; |
| 381 | |
Shinichiro Hamaji | 0f39c52 | 2015-07-07 13:14:02 +0900 | [diff] [blame] | 382 | if (node->cmds.empty() && |
| 383 | node->deps.empty() && node->order_onlys.empty() && !node->is_phony) { |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 384 | return; |
Shinichiro Hamaji | 0f39c52 | 2015-07-07 13:14:02 +0900 | [diff] [blame] | 385 | } |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 386 | |
Shinichiro Hamaji | deb7656 | 2015-07-11 05:53:30 +0900 | [diff] [blame] | 387 | StringPiece base = Basename(node->output.str()); |
| 388 | if (base != node->output.str()) { |
Shinichiro Hamaji | 43defe0 | 2015-07-11 07:06:43 +0900 | [diff] [blame] | 389 | auto p = short_names_.emplace(Intern(base), node->output); |
Shinichiro Hamaji | deb7656 | 2015-07-11 05:53:30 +0900 | [diff] [blame] | 390 | if (!p.second) { |
| 391 | // We generate shortcuts only for targets whose basename are unique. |
Shinichiro Hamaji | 43defe0 | 2015-07-11 07:06:43 +0900 | [diff] [blame] | 392 | p.first->second = kEmptySym; |
Shinichiro Hamaji | deb7656 | 2015-07-11 05:53:30 +0900 | [diff] [blame] | 393 | } |
| 394 | } |
| 395 | |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 396 | vector<Command*> commands; |
| 397 | ce_.Eval(node, &commands); |
| 398 | |
| 399 | string rule_name = "phony"; |
Shinichiro Hamaji | 9facae2 | 2015-07-03 17:16:36 +0900 | [diff] [blame] | 400 | bool use_local_pool = false; |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 401 | if (!commands.empty()) { |
| 402 | rule_name = GenRuleName(); |
| 403 | fprintf(fp_, "rule %s\n", rule_name.c_str()); |
Colin Cross | 2e032ba | 2015-07-15 18:33:37 -0700 | [diff] [blame] | 404 | |
| 405 | string description = "build $out"; |
Shinichiro Hamaji | 2ee6ca1 | 2015-07-18 03:37:21 +0900 | [diff] [blame] | 406 | use_local_pool |= GenShellScript(commands, &description); |
Colin Cross | 2e032ba | 2015-07-15 18:33:37 -0700 | [diff] [blame] | 407 | fprintf(fp_, " description = %s\n", description.c_str()); |
Shinichiro Hamaji | e9f7e67 | 2015-07-03 15:57:45 +0900 | [diff] [blame] | 408 | EmitDepfile(); |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 409 | |
Shinichiro Hamaji | eb0e5f9 | 2015-07-17 03:38:23 +0900 | [diff] [blame] | 410 | // It seems Linux is OK with ~130kB and Mac's limit is ~250kB. |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 411 | // TODO: Find this number automatically. |
| 412 | if (cmd_buf_.size() > 100 * 1000) { |
| 413 | fprintf(fp_, " rspfile = $out.rsp\n"); |
| 414 | fprintf(fp_, " rspfile_content = %s\n", cmd_buf_.c_str()); |
Colin Cross | e890a91 | 2015-07-20 13:28:00 -0700 | [diff] [blame] | 415 | fprintf(fp_, " command = %s $out.rsp\n", shell_->c_str()); |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 416 | } else { |
Colin Cross | e890a91 | 2015-07-20 13:28:00 -0700 | [diff] [blame] | 417 | fprintf(fp_, " command = %s -c \"%s\"\n", shell_->c_str(), EscapeShell(cmd_buf_).c_str()); |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 418 | } |
| 419 | } |
| 420 | |
| 421 | EmitBuild(node, rule_name); |
Shinichiro Hamaji | 9facae2 | 2015-07-03 17:16:36 +0900 | [diff] [blame] | 422 | if (use_local_pool) |
| 423 | fprintf(fp_, " pool = local_pool\n"); |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 424 | |
| 425 | for (DepNode* d : node->deps) { |
| 426 | EmitNode(d); |
| 427 | } |
Shinichiro Hamaji | 3f2cf1e | 2015-07-06 18:58:18 +0900 | [diff] [blame] | 428 | for (DepNode* d : node->order_onlys) { |
| 429 | EmitNode(d); |
| 430 | } |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 431 | } |
| 432 | |
Shinichiro Hamaji | 753c812 | 2015-07-18 17:16:24 +0900 | [diff] [blame] | 433 | string EscapeBuildTarget(Symbol s) { |
| 434 | if (s.str().find_first_of("$: ") == string::npos) |
| 435 | return s.str(); |
| 436 | string r; |
| 437 | for (char c : s.str()) { |
| 438 | switch (c) { |
| 439 | case '$': |
| 440 | case ':': |
| 441 | case ' ': |
| 442 | r += '$'; |
| 443 | // fall through. |
| 444 | default: |
| 445 | r += c; |
| 446 | } |
| 447 | } |
| 448 | return r; |
| 449 | } |
| 450 | |
Colin Cross | e890a91 | 2015-07-20 13:28:00 -0700 | [diff] [blame] | 451 | string EscapeShell(string s) { |
| 452 | if (s.find_first_of("$`!\\\"") == string::npos) |
| 453 | return s; |
| 454 | string r; |
| 455 | bool lastDollar = false; |
| 456 | for (char c : s) { |
| 457 | switch (c) { |
| 458 | case '$': |
| 459 | if (lastDollar) { |
| 460 | r += c; |
| 461 | lastDollar = false; |
| 462 | } else { |
| 463 | r += '\\'; |
| 464 | r += c; |
| 465 | lastDollar = true; |
| 466 | } |
| 467 | break; |
| 468 | case '`': |
| 469 | case '"': |
| 470 | case '!': |
| 471 | case '\\': |
| 472 | r += '\\'; |
| 473 | // fall through. |
| 474 | default: |
| 475 | r += c; |
| 476 | lastDollar = false; |
| 477 | } |
| 478 | } |
| 479 | return r; |
| 480 | } |
| 481 | |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 482 | void EmitBuild(DepNode* node, const string& rule_name) { |
Shinichiro Hamaji | 753c812 | 2015-07-18 17:16:24 +0900 | [diff] [blame] | 483 | fprintf(fp_, "build %s: %s", |
| 484 | EscapeBuildTarget(node->output).c_str(), |
| 485 | rule_name.c_str()); |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 486 | vector<Symbol> order_onlys; |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 487 | for (DepNode* d : node->deps) { |
Shinichiro Hamaji | 753c812 | 2015-07-18 17:16:24 +0900 | [diff] [blame] | 488 | fprintf(fp_, " %s", EscapeBuildTarget(d->output).c_str()); |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 489 | } |
Shinichiro Hamaji | 183dbb9 | 2015-07-06 17:21:39 +0900 | [diff] [blame] | 490 | if (!node->order_onlys.empty()) { |
Shinichiro Hamaji | f4820de | 2015-06-29 17:03:17 +0900 | [diff] [blame] | 491 | fprintf(fp_, " ||"); |
Shinichiro Hamaji | 183dbb9 | 2015-07-06 17:21:39 +0900 | [diff] [blame] | 492 | for (DepNode* d : node->order_onlys) { |
Shinichiro Hamaji | 753c812 | 2015-07-18 17:16:24 +0900 | [diff] [blame] | 493 | fprintf(fp_, " %s", EscapeBuildTarget(d->output).c_str()); |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 494 | } |
| 495 | } |
| 496 | fprintf(fp_, "\n"); |
| 497 | } |
| 498 | |
Colin Cross | bb2bba1 | 2015-07-20 16:31:18 -0700 | [diff] [blame^] | 499 | string GetNinjaDirectory() const { |
| 500 | return ninja_dir_; |
| 501 | } |
| 502 | |
Shinichiro Hamaji | 8bddb46 | 2015-07-06 18:55:47 +0900 | [diff] [blame] | 503 | string GetNinjaFilename() const { |
Colin Cross | bb2bba1 | 2015-07-20 16:31:18 -0700 | [diff] [blame^] | 504 | return StringPrintf("%s/build%s.ninja", ninja_dir_.c_str(), ninja_suffix_.c_str()); |
Shinichiro Hamaji | 8bddb46 | 2015-07-06 18:55:47 +0900 | [diff] [blame] | 505 | } |
| 506 | |
| 507 | string GetShellScriptFilename() const { |
Colin Cross | bb2bba1 | 2015-07-20 16:31:18 -0700 | [diff] [blame^] | 508 | return StringPrintf("%s/ninja%s.sh", ninja_dir_.c_str(), ninja_suffix_.c_str()); |
Shinichiro Hamaji | 8bddb46 | 2015-07-06 18:55:47 +0900 | [diff] [blame] | 509 | } |
| 510 | |
Shinichiro Hamaji | 43defe0 | 2015-07-11 07:06:43 +0900 | [diff] [blame] | 511 | void GenerateNinja(const vector<DepNode*>& nodes, bool build_all_targets) { |
Shinichiro Hamaji | 8bddb46 | 2015-07-06 18:55:47 +0900 | [diff] [blame] | 512 | fp_ = fopen(GetNinjaFilename().c_str(), "wb"); |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 513 | if (fp_ == NULL) |
| 514 | PERROR("fopen(build.ninja) failed"); |
| 515 | |
Shinichiro Hamaji | d821f6d | 2015-07-14 04:03:27 +0900 | [diff] [blame] | 516 | fprintf(fp_, "# Generated by kati %s\n", kGitVersion); |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 517 | fprintf(fp_, "\n"); |
| 518 | |
Shinichiro Hamaji | 5163e04 | 2015-07-14 03:51:44 +0900 | [diff] [blame] | 519 | if (!Vars::used_env_vars().empty()) { |
| 520 | fprintf(fp_, "# Environment variables used:\n"); |
| 521 | for (Symbol e : Vars::used_env_vars()) { |
| 522 | shared_ptr<string> val = ev_->EvalVar(e); |
| 523 | fprintf(fp_, "# %s=%s\n", e.c_str(), val->c_str()); |
| 524 | } |
| 525 | fprintf(fp_, "\n"); |
| 526 | } |
| 527 | |
Shinichiro Hamaji | 9facae2 | 2015-07-03 17:16:36 +0900 | [diff] [blame] | 528 | if (g_goma_dir) { |
| 529 | fprintf(fp_, "pool local_pool\n"); |
Shinichiro Hamaji | 087cecd | 2015-07-06 19:51:58 +0900 | [diff] [blame] | 530 | fprintf(fp_, " depth = %d\n", g_num_jobs); |
Shinichiro Hamaji | 9facae2 | 2015-07-03 17:16:36 +0900 | [diff] [blame] | 531 | } |
| 532 | |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 533 | for (DepNode* node : nodes) { |
| 534 | EmitNode(node); |
| 535 | } |
| 536 | |
Shinichiro Hamaji | 43defe0 | 2015-07-11 07:06:43 +0900 | [diff] [blame] | 537 | if (!build_all_targets) { |
| 538 | CHECK(!nodes.empty()); |
| 539 | fprintf(fp_, "\ndefault %s\n", nodes.front()->output.c_str()); |
| 540 | } |
| 541 | |
Shinichiro Hamaji | 15fe11d | 2015-07-11 06:32:37 +0900 | [diff] [blame] | 542 | fprintf(fp_, "\n# shortcuts:\n"); |
Shinichiro Hamaji | deb7656 | 2015-07-11 05:53:30 +0900 | [diff] [blame] | 543 | for (auto p : short_names_) { |
Shinichiro Hamaji | 10bb4ab | 2015-07-16 06:04:48 +0900 | [diff] [blame] | 544 | if (!p.second.empty() && !done_.count(p.first)) |
Shinichiro Hamaji | 43defe0 | 2015-07-11 07:06:43 +0900 | [diff] [blame] | 545 | fprintf(fp_, "build %s: phony %s\n", p.first.c_str(), p.second.c_str()); |
Shinichiro Hamaji | deb7656 | 2015-07-11 05:53:30 +0900 | [diff] [blame] | 546 | } |
| 547 | |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 548 | fclose(fp_); |
| 549 | } |
| 550 | |
| 551 | void GenerateShell() { |
Shinichiro Hamaji | 8bddb46 | 2015-07-06 18:55:47 +0900 | [diff] [blame] | 552 | FILE* fp = fopen(GetShellScriptFilename().c_str(), "wb"); |
Shinichiro Hamaji | 54b93ba | 2015-07-03 20:43:32 +0900 | [diff] [blame] | 553 | if (fp == NULL) |
| 554 | PERROR("fopen(ninja.sh) failed"); |
| 555 | |
Shinichiro Hamaji | 94d6f2a | 2015-07-05 05:32:25 +0900 | [diff] [blame] | 556 | shared_ptr<string> shell = ev_->EvalVar(kShellSym); |
Shinichiro Hamaji | 54b93ba | 2015-07-03 20:43:32 +0900 | [diff] [blame] | 557 | if (shell->empty()) |
| 558 | shell = make_shared<string>("/bin/sh"); |
| 559 | fprintf(fp, "#!%s\n", shell->c_str()); |
Shinichiro Hamaji | af9887a | 2015-07-17 03:45:14 +0900 | [diff] [blame] | 560 | fprintf(fp, "# Generated by kati %s\n", kGitVersion); |
| 561 | fprintf(fp, "\n"); |
Shinichiro Hamaji | 54b93ba | 2015-07-03 20:43:32 +0900 | [diff] [blame] | 562 | |
| 563 | for (const auto& p : ev_->exports()) { |
| 564 | if (p.second) { |
Shinichiro Hamaji | 94d6f2a | 2015-07-05 05:32:25 +0900 | [diff] [blame] | 565 | shared_ptr<string> val = ev_->EvalVar(p.first); |
Shinichiro Hamaji | 54b93ba | 2015-07-03 20:43:32 +0900 | [diff] [blame] | 566 | fprintf(fp, "export %s=%s\n", p.first.c_str(), val->c_str()); |
| 567 | } else { |
| 568 | fprintf(fp, "unset %s\n", p.first.c_str()); |
| 569 | } |
| 570 | } |
| 571 | |
Shinichiro Hamaji | 8bddb46 | 2015-07-06 18:55:47 +0900 | [diff] [blame] | 572 | fprintf(fp, "exec ninja -f %s ", GetNinjaFilename().c_str()); |
Shinichiro Hamaji | 54b93ba | 2015-07-03 20:43:32 +0900 | [diff] [blame] | 573 | if (g_goma_dir) { |
Shinichiro Hamaji | 6d7c7b7 | 2015-07-18 16:51:39 +0900 | [diff] [blame] | 574 | fprintf(fp, "-j500 "); |
Shinichiro Hamaji | 54b93ba | 2015-07-03 20:43:32 +0900 | [diff] [blame] | 575 | } |
Shinichiro Hamaji | 8bddb46 | 2015-07-06 18:55:47 +0900 | [diff] [blame] | 576 | fprintf(fp, "\"$@\"\n"); |
Shinichiro Hamaji | 54b93ba | 2015-07-03 20:43:32 +0900 | [diff] [blame] | 577 | |
Shinichiro Hamaji | 8bddb46 | 2015-07-06 18:55:47 +0900 | [diff] [blame] | 578 | if (chmod(GetShellScriptFilename().c_str(), 0755) != 0) |
Shinichiro Hamaji | 54b93ba | 2015-07-03 20:43:32 +0900 | [diff] [blame] | 579 | PERROR("chmod ninja.sh failed"); |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 580 | } |
| 581 | |
| 582 | CommandEvaluator ce_; |
| 583 | Evaluator* ev_; |
| 584 | FILE* fp_; |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 585 | unordered_set<Symbol> done_; |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 586 | int rule_id_; |
| 587 | string cmd_buf_; |
Shinichiro Hamaji | 9facae2 | 2015-07-03 17:16:36 +0900 | [diff] [blame] | 588 | string gomacc_; |
Shinichiro Hamaji | 8bddb46 | 2015-07-06 18:55:47 +0900 | [diff] [blame] | 589 | string ninja_suffix_; |
Colin Cross | bb2bba1 | 2015-07-20 16:31:18 -0700 | [diff] [blame^] | 590 | string ninja_dir_; |
Shinichiro Hamaji | 43defe0 | 2015-07-11 07:06:43 +0900 | [diff] [blame] | 591 | unordered_map<Symbol, Symbol> short_names_; |
Colin Cross | e890a91 | 2015-07-20 13:28:00 -0700 | [diff] [blame] | 592 | shared_ptr<string> shell_; |
Shinichiro Hamaji | df1fc8b | 2015-06-29 15:45:21 +0900 | [diff] [blame] | 593 | }; |
| 594 | |
Shinichiro Hamaji | 8bddb46 | 2015-07-06 18:55:47 +0900 | [diff] [blame] | 595 | void GenerateNinja(const char* ninja_suffix, |
Colin Cross | bb2bba1 | 2015-07-20 16:31:18 -0700 | [diff] [blame^] | 596 | const char* ninja_dir, |
Shinichiro Hamaji | 43defe0 | 2015-07-11 07:06:43 +0900 | [diff] [blame] | 597 | const vector<DepNode*>& nodes, |
| 598 | Evaluator* ev, |
| 599 | bool build_all_targets) { |
Colin Cross | bb2bba1 | 2015-07-20 16:31:18 -0700 | [diff] [blame^] | 600 | NinjaGenerator ng(ninja_suffix, ninja_dir, ev); |
Shinichiro Hamaji | 43defe0 | 2015-07-11 07:06:43 +0900 | [diff] [blame] | 601 | ng.Generate(nodes, build_all_targets); |
Shinichiro Hamaji | 5f86e1a | 2015-06-29 14:25:39 +0900 | [diff] [blame] | 602 | } |