Shinichiro Hamaji | 1d545aa | 2015-06-23 15:29:13 +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 | |
Fumitoshi Ukai | 744bb2b | 2015-06-25 00:10:52 +0900 | [diff] [blame] | 15 | // +build ignore |
| 16 | |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 17 | #include "dep.h" |
| 18 | |
Shinichiro Hamaji | 4a71131 | 2015-06-19 14:44:20 +0900 | [diff] [blame] | 19 | #include <algorithm> |
Shinichiro Hamaji | 485f912 | 2015-06-26 07:06:14 +0900 | [diff] [blame] | 20 | #include <iterator> |
Dan Willemsen | b248caa | 2015-10-01 16:07:48 -0700 | [diff] [blame] | 21 | #include <map> |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 22 | #include <memory> |
Shinichiro Hamaji | 52dbb60 | 2015-06-19 15:57:07 +0900 | [diff] [blame] | 23 | #include <unordered_map> |
| 24 | #include <unordered_set> |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 25 | |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 26 | #include "eval.h" |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 27 | #include "fileutil.h" |
Stefan Becker | 187bf08 | 2016-04-07 13:28:42 +0300 | [diff] [blame] | 28 | #include "flags.h" |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 29 | #include "log.h" |
| 30 | #include "rule.h" |
Shinichiro Hamaji | 54a3d53 | 2016-02-16 17:33:27 +0900 | [diff] [blame] | 31 | #include "stats.h" |
Shinichiro Hamaji | 4a71131 | 2015-06-19 14:44:20 +0900 | [diff] [blame] | 32 | #include "strutil.h" |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 33 | #include "symtab.h" |
Shinichiro Hamaji | 54a3d53 | 2016-02-16 17:33:27 +0900 | [diff] [blame] | 34 | #include "timeutil.h" |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 35 | #include "var.h" |
| 36 | |
Shinichiro Hamaji | 2a04789 | 2015-06-29 13:56:41 +0900 | [diff] [blame] | 37 | namespace { |
| 38 | |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 39 | static vector<DepNode*>* g_dep_node_pool; |
| 40 | |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 41 | static Symbol ReplaceSuffix(Symbol s, Symbol newsuf) { |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 42 | string r; |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 43 | AppendString(StripExt(s.str()), &r); |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 44 | r += '.'; |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 45 | AppendString(newsuf.str(), &r); |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 46 | return Intern(r); |
| 47 | } |
| 48 | |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 49 | void ApplyOutputPattern(const Rule& r, |
| 50 | Symbol output, |
| 51 | const vector<Symbol>& inputs, |
| 52 | vector<Symbol>* out_inputs) { |
| 53 | if (inputs.empty()) |
| 54 | return; |
| 55 | if (r.is_suffix_rule) { |
| 56 | for (Symbol input : inputs) { |
| 57 | out_inputs->push_back(ReplaceSuffix(output, input)); |
| 58 | } |
| 59 | return; |
| 60 | } |
| 61 | if (r.output_patterns.empty()) { |
| 62 | copy(inputs.begin(), inputs.end(), back_inserter(*out_inputs)); |
| 63 | return; |
| 64 | } |
| 65 | CHECK(r.output_patterns.size() == 1); |
| 66 | Pattern pat(r.output_patterns[0].str()); |
| 67 | for (Symbol input : inputs) { |
| 68 | string buf; |
| 69 | pat.AppendSubst(output.str(), input.str(), &buf); |
| 70 | out_inputs->push_back(Intern(buf)); |
| 71 | } |
| 72 | } |
| 73 | |
Shinichiro Hamaji | 2a04789 | 2015-06-29 13:56:41 +0900 | [diff] [blame] | 74 | class RuleTrie { |
| 75 | struct Entry { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 76 | Entry(const Rule* r, StringPiece s) : rule(r), suffix(s) {} |
Shinichiro Hamaji | 7eac665 | 2016-02-02 12:25:08 +0900 | [diff] [blame] | 77 | const Rule* rule; |
Shinichiro Hamaji | 2a04789 | 2015-06-29 13:56:41 +0900 | [diff] [blame] | 78 | StringPiece suffix; |
| 79 | }; |
| 80 | |
| 81 | public: |
| 82 | RuleTrie() {} |
| 83 | ~RuleTrie() { |
| 84 | for (auto& p : children_) |
| 85 | delete p.second; |
| 86 | } |
| 87 | |
Shinichiro Hamaji | 7eac665 | 2016-02-02 12:25:08 +0900 | [diff] [blame] | 88 | void Add(StringPiece name, const Rule* rule) { |
Shinichiro Hamaji | 2a04789 | 2015-06-29 13:56:41 +0900 | [diff] [blame] | 89 | if (name.empty() || name[0] == '%') { |
| 90 | rules_.push_back(Entry(rule, name)); |
| 91 | return; |
| 92 | } |
| 93 | const char c = name[0]; |
| 94 | auto p = children_.emplace(c, nullptr); |
| 95 | if (p.second) { |
| 96 | p.first->second = new RuleTrie(); |
| 97 | } |
| 98 | p.first->second->Add(name.substr(1), rule); |
| 99 | } |
| 100 | |
Shinichiro Hamaji | 7eac665 | 2016-02-02 12:25:08 +0900 | [diff] [blame] | 101 | void Get(StringPiece name, vector<const Rule*>* rules) const { |
Shinichiro Hamaji | 2a04789 | 2015-06-29 13:56:41 +0900 | [diff] [blame] | 102 | for (const Entry& ent : rules_) { |
| 103 | if ((ent.suffix.empty() && name.empty()) || |
| 104 | HasSuffix(name, ent.suffix.substr(1))) { |
| 105 | rules->push_back(ent.rule); |
| 106 | } |
| 107 | } |
Shinichiro Hamaji | f772b17 | 2015-06-29 16:05:44 +0900 | [diff] [blame] | 108 | if (name.empty()) |
| 109 | return; |
| 110 | auto found = children_.find(name[0]); |
| 111 | if (found != children_.end()) { |
| 112 | found->second->Get(name.substr(1), rules); |
| 113 | } |
Shinichiro Hamaji | 2a04789 | 2015-06-29 13:56:41 +0900 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | size_t size() const { |
| 117 | size_t r = rules_.size(); |
| 118 | for (const auto& c : children_) |
| 119 | r += c.second->size(); |
| 120 | return r; |
| 121 | } |
| 122 | |
| 123 | private: |
| 124 | vector<Entry> rules_; |
| 125 | unordered_map<char, RuleTrie*> children_; |
| 126 | }; |
| 127 | |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 128 | bool IsSuffixRule(Symbol output) { |
| 129 | if (output.empty() || output.str()[0] != '.') |
| 130 | return false; |
| 131 | const StringPiece rest = StringPiece(output.str()).substr(1); |
| 132 | size_t dot_index = rest.find('.'); |
| 133 | // If there is only a single dot or the third dot, this is not a |
| 134 | // suffix rule. |
| 135 | if (dot_index == string::npos || |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 136 | rest.substr(dot_index + 1).find('.') != string::npos) { |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 137 | return false; |
| 138 | } |
| 139 | return true; |
| 140 | } |
| 141 | |
| 142 | struct RuleMerger { |
| 143 | vector<const Rule*> rules; |
Dan Willemsen | 72a8e01 | 2017-08-13 22:06:47 -0700 | [diff] [blame] | 144 | vector<pair<Symbol, RuleMerger*>> implicit_outputs; |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 145 | const Rule* primary_rule; |
Dan Willemsen | 72a8e01 | 2017-08-13 22:06:47 -0700 | [diff] [blame] | 146 | const RuleMerger* parent; |
| 147 | Symbol parent_sym; |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 148 | bool is_double_colon; |
| 149 | |
| 150 | RuleMerger() |
Dan Willemsen | ee57a3f | 2018-11-05 16:18:44 -0800 | [diff] [blame] | 151 | : primary_rule(nullptr), parent(nullptr), is_double_colon(false) {} |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 152 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 153 | void AddImplicitOutput(Symbol output, RuleMerger* merger) { |
Dan Willemsen | 72a8e01 | 2017-08-13 22:06:47 -0700 | [diff] [blame] | 154 | implicit_outputs.push_back(make_pair(output, merger)); |
| 155 | } |
| 156 | |
| 157 | void SetImplicitOutput(Symbol output, Symbol p, const RuleMerger* merger) { |
| 158 | if (!merger->primary_rule) { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 159 | ERROR("*** implicit output `%s' on phony target `%s'", output.c_str(), |
| 160 | p.c_str()); |
Dan Willemsen | 72a8e01 | 2017-08-13 22:06:47 -0700 | [diff] [blame] | 161 | } |
| 162 | if (parent) { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 163 | ERROR_LOC(merger->primary_rule->cmd_loc(), |
| 164 | "*** implicit output `%s' of `%s' was already defined by `%s' " |
| 165 | "at %s:%d", |
| 166 | output.c_str(), p.c_str(), parent_sym.c_str(), |
Colin Cross | 9a73c88 | 2018-11-12 22:00:36 -0800 | [diff] [blame] | 167 | LOCF(parent->primary_rule->cmd_loc())); |
Dan Willemsen | 72a8e01 | 2017-08-13 22:06:47 -0700 | [diff] [blame] | 168 | } |
| 169 | if (primary_rule) { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 170 | ERROR_LOC(primary_rule->cmd_loc(), |
| 171 | "*** implicit output `%s' may not have commands", |
Dan Willemsen | 72a8e01 | 2017-08-13 22:06:47 -0700 | [diff] [blame] | 172 | output.c_str()); |
| 173 | } |
| 174 | parent = merger; |
| 175 | parent_sym = p; |
| 176 | } |
| 177 | |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 178 | void AddRule(Symbol output, const Rule* r) { |
| 179 | if (rules.empty()) { |
| 180 | is_double_colon = r->is_double_colon; |
| 181 | } else if (is_double_colon != r->is_double_colon) { |
Dan Willemsen | e41c755 | 2017-02-22 14:31:16 -0800 | [diff] [blame] | 182 | ERROR_LOC(r->loc, "*** target file `%s' has both : and :: entries.", |
| 183 | output.c_str()); |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 184 | } |
| 185 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 186 | if (primary_rule && !r->cmds.empty() && !IsSuffixRule(output) && |
| 187 | !r->is_double_colon) { |
Dan Willemsen | f63a3fd | 2017-04-27 23:39:57 -0700 | [diff] [blame] | 188 | if (g_flags.werror_overriding_commands) { |
| 189 | ERROR_LOC(r->cmd_loc(), |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 190 | "*** overriding commands for target `%s', previously defined " |
| 191 | "at %s:%d", |
Dan Willemsen | f63a3fd | 2017-04-27 23:39:57 -0700 | [diff] [blame] | 192 | output.c_str(), LOCF(primary_rule->cmd_loc())); |
| 193 | } else { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 194 | WARN_LOC(r->cmd_loc(), "warning: overriding commands for target `%s'", |
Dan Willemsen | f63a3fd | 2017-04-27 23:39:57 -0700 | [diff] [blame] | 195 | output.c_str()); |
| 196 | WARN_LOC(primary_rule->cmd_loc(), |
| 197 | "warning: ignoring old commands for target `%s'", |
| 198 | output.c_str()); |
| 199 | } |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 200 | primary_rule = r; |
| 201 | } |
| 202 | if (!primary_rule && !r->cmds.empty()) { |
| 203 | primary_rule = r; |
| 204 | } |
| 205 | |
| 206 | rules.push_back(r); |
| 207 | } |
| 208 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 209 | void FillDepNodeFromRule(Symbol output, const Rule* r, DepNode* n) const { |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 210 | if (is_double_colon) |
| 211 | copy(r->cmds.begin(), r->cmds.end(), back_inserter(n->cmds)); |
| 212 | |
| 213 | ApplyOutputPattern(*r, output, r->inputs, &n->actual_inputs); |
| 214 | ApplyOutputPattern(*r, output, r->order_only_inputs, |
| 215 | &n->actual_order_only_inputs); |
| 216 | |
| 217 | if (r->output_patterns.size() >= 1) { |
| 218 | CHECK(r->output_patterns.size() == 1); |
| 219 | n->output_pattern = r->output_patterns[0]; |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | void FillDepNodeLoc(const Rule* r, DepNode* n) const { |
| 224 | n->loc = r->loc; |
| 225 | if (!r->cmds.empty() && r->cmd_lineno) |
| 226 | n->loc.lineno = r->cmd_lineno; |
| 227 | } |
| 228 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 229 | void FillDepNode(Symbol output, const Rule* pattern_rule, DepNode* n) const { |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 230 | if (primary_rule) { |
| 231 | CHECK(!pattern_rule); |
| 232 | FillDepNodeFromRule(output, primary_rule, n); |
| 233 | FillDepNodeLoc(primary_rule, n); |
| 234 | n->cmds = primary_rule->cmds; |
| 235 | } else if (pattern_rule) { |
| 236 | FillDepNodeFromRule(output, pattern_rule, n); |
| 237 | FillDepNodeLoc(pattern_rule, n); |
| 238 | n->cmds = pattern_rule->cmds; |
| 239 | } |
| 240 | |
| 241 | for (const Rule* r : rules) { |
| 242 | if (r == primary_rule) |
| 243 | continue; |
| 244 | FillDepNodeFromRule(output, r, n); |
Shinichiro Hamaji | c58db9a | 2016-05-12 15:16:12 +0900 | [diff] [blame] | 245 | if (n->loc.filename == NULL) |
| 246 | n->loc = r->loc; |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 247 | } |
Dan Willemsen | 72a8e01 | 2017-08-13 22:06:47 -0700 | [diff] [blame] | 248 | |
| 249 | for (auto& implicit_output : implicit_outputs) { |
| 250 | n->implicit_outputs.push_back(implicit_output.first); |
| 251 | for (const Rule* r : implicit_output.second->rules) { |
| 252 | FillDepNodeFromRule(output, r, n); |
| 253 | } |
| 254 | } |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 255 | } |
| 256 | }; |
| 257 | |
Shinichiro Hamaji | 2a04789 | 2015-06-29 13:56:41 +0900 | [diff] [blame] | 258 | } // namespace |
| 259 | |
Shinichiro Hamaji | 3ac2a09 | 2015-10-01 18:38:02 +0900 | [diff] [blame] | 260 | DepNode::DepNode(Symbol o, bool p, bool r) |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 261 | : output(o), |
| 262 | has_rule(false), |
Colin Cross | 5b26db3 | 2015-09-29 16:51:02 -0700 | [diff] [blame] | 263 | is_default_target(false), |
Shinichiro Hamaji | 3ac2a09 | 2015-10-01 18:38:02 +0900 | [diff] [blame] | 264 | is_phony(p), |
| 265 | is_restat(r), |
Shinichiro Hamaji | a7984ad | 2015-09-11 16:33:16 +0900 | [diff] [blame] | 266 | rule_vars(NULL), |
Shinichiro Hamaji | 85e5ed0 | 2016-01-20 16:25:32 +0900 | [diff] [blame] | 267 | depfile_var(NULL), |
Sasha Smundak | 8174f9b | 2018-08-13 11:07:30 -0700 | [diff] [blame] | 268 | ninja_pool_var(NULL) { |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 269 | g_dep_node_pool->push_back(this); |
| 270 | } |
| 271 | |
| 272 | class DepBuilder { |
| 273 | public: |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 274 | DepBuilder(Evaluator* ev, |
Shinichiro Hamaji | 7a2659e | 2016-02-08 14:32:56 +0900 | [diff] [blame] | 275 | const vector<const Rule*>& rules, |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 276 | const unordered_map<Symbol, Vars*>& rule_vars) |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 277 | : ev_(ev), |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 278 | rule_vars_(rule_vars), |
Shinichiro Hamaji | 2a04789 | 2015-06-29 13:56:41 +0900 | [diff] [blame] | 279 | implicit_rules_(new RuleTrie()), |
Dan Willemsen | 2f75ffa | 2016-11-04 16:57:57 -0700 | [diff] [blame] | 280 | depfile_var_name_(Intern(".KATI_DEPFILE")), |
Dan Willemsen | b78d16f | 2017-08-09 16:51:34 -0700 | [diff] [blame] | 281 | implicit_outputs_var_name_(Intern(".KATI_IMPLICIT_OUTPUTS")), |
Dan Willemsen | 2f75ffa | 2016-11-04 16:57:57 -0700 | [diff] [blame] | 282 | ninja_pool_var_name_(Intern(".KATI_NINJA_POOL")) { |
Shinichiro Hamaji | 54a3d53 | 2016-02-16 17:33:27 +0900 | [diff] [blame] | 283 | ScopedTimeReporter tr("make dep (populate)"); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 284 | PopulateRules(rules); |
Shinichiro Hamaji | c9b9e5e | 2016-02-18 18:18:54 +0900 | [diff] [blame] | 285 | // TODO? |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 286 | // LOG_STAT("%zu variables", ev->mutable_vars()->size()); |
Shinichiro Hamaji | b4969af | 2015-06-28 02:06:54 +0900 | [diff] [blame] | 287 | LOG_STAT("%zu explicit rules", rules_.size()); |
Shinichiro Hamaji | 2a04789 | 2015-06-29 13:56:41 +0900 | [diff] [blame] | 288 | LOG_STAT("%zu implicit rules", implicit_rules_->size()); |
Shinichiro Hamaji | b4969af | 2015-06-28 02:06:54 +0900 | [diff] [blame] | 289 | LOG_STAT("%zu suffix rules", suffix_rules_.size()); |
Shinichiro Hamaji | d40b6fe | 2015-06-29 17:08:42 +0900 | [diff] [blame] | 290 | |
Shinichiro Hamaji | a5ac4d9 | 2016-02-19 14:47:23 +0900 | [diff] [blame] | 291 | HandleSpecialTargets(); |
| 292 | } |
| 293 | |
| 294 | void HandleSpecialTargets() { |
| 295 | Loc loc; |
| 296 | vector<Symbol> targets; |
| 297 | |
| 298 | if (GetRuleInputs(Intern(".PHONY"), &targets, &loc)) { |
| 299 | for (Symbol t : targets) |
| 300 | phony_.insert(t); |
Shinichiro Hamaji | d40b6fe | 2015-06-29 17:08:42 +0900 | [diff] [blame] | 301 | } |
Shinichiro Hamaji | a5ac4d9 | 2016-02-19 14:47:23 +0900 | [diff] [blame] | 302 | if (GetRuleInputs(Intern(".KATI_RESTAT"), &targets, &loc)) { |
| 303 | for (Symbol t : targets) |
| 304 | restat_.insert(t); |
Shinichiro Hamaji | 3ac2a09 | 2015-10-01 18:38:02 +0900 | [diff] [blame] | 305 | } |
Shinichiro Hamaji | a5ac4d9 | 2016-02-19 14:47:23 +0900 | [diff] [blame] | 306 | if (GetRuleInputs(Intern(".SUFFIXES"), &targets, &loc)) { |
| 307 | if (targets.empty()) { |
Shinichiro Hamaji | cbe9f49 | 2015-11-30 16:39:35 +0900 | [diff] [blame] | 308 | suffix_rules_.clear(); |
| 309 | } else { |
Dan Willemsen | e41c755 | 2017-02-22 14:31:16 -0800 | [diff] [blame] | 310 | WARN_LOC(loc, "kati doesn't support .SUFFIXES with prerequisites"); |
Shinichiro Hamaji | cbe9f49 | 2015-11-30 16:39:35 +0900 | [diff] [blame] | 311 | } |
| 312 | } |
Shinichiro Hamaji | 77be80d | 2015-11-30 16:43:05 +0900 | [diff] [blame] | 313 | |
| 314 | // Note we can safely ignore .DELETE_ON_ERROR for --ninja mode. |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 315 | static const char* kUnsupportedBuiltinTargets[] = {".DEFAULT", |
| 316 | ".PRECIOUS", |
| 317 | ".INTERMEDIATE", |
| 318 | ".SECONDARY", |
| 319 | ".SECONDEXPANSION", |
| 320 | ".IGNORE", |
| 321 | ".LOW_RESOLUTION_TIME", |
| 322 | ".SILENT", |
| 323 | ".EXPORT_ALL_VARIABLES", |
| 324 | ".NOTPARALLEL", |
| 325 | ".ONESHELL", |
| 326 | NULL}; |
Shinichiro Hamaji | 77be80d | 2015-11-30 16:43:05 +0900 | [diff] [blame] | 327 | for (const char** p = kUnsupportedBuiltinTargets; *p; p++) { |
Shinichiro Hamaji | a5ac4d9 | 2016-02-19 14:47:23 +0900 | [diff] [blame] | 328 | if (GetRuleInputs(Intern(*p), &targets, &loc)) { |
Dan Willemsen | e41c755 | 2017-02-22 14:31:16 -0800 | [diff] [blame] | 329 | WARN_LOC(loc, "kati doesn't support %s", *p); |
Shinichiro Hamaji | 77be80d | 2015-11-30 16:43:05 +0900 | [diff] [blame] | 330 | } |
| 331 | } |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 332 | } |
| 333 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 334 | ~DepBuilder() {} |
Shinichiro Hamaji | 4a71131 | 2015-06-19 14:44:20 +0900 | [diff] [blame] | 335 | |
Sasha Smundak | e8f4d6d | 2018-07-27 10:34:04 -0700 | [diff] [blame] | 336 | void Build(vector<Symbol> targets, vector<NamedDepNode>* nodes) { |
Shinichiro Hamaji | 8f813fe | 2016-02-19 14:32:51 +0900 | [diff] [blame] | 337 | if (!first_rule_.IsValid()) { |
Colin Cross | 5b26db3 | 2015-09-29 16:51:02 -0700 | [diff] [blame] | 338 | ERROR("*** No targets."); |
| 339 | } |
Shinichiro Hamaji | 43defe0 | 2015-07-11 07:06:43 +0900 | [diff] [blame] | 340 | |
Shinichiro Hamaji | 6ff74ce | 2015-10-03 11:58:35 +0900 | [diff] [blame] | 341 | if (!g_flags.gen_all_targets && targets.empty()) { |
Shinichiro Hamaji | 8f813fe | 2016-02-19 14:32:51 +0900 | [diff] [blame] | 342 | targets.push_back(first_rule_); |
Shinichiro Hamaji | 319b649 | 2015-09-24 14:23:55 +0900 | [diff] [blame] | 343 | } |
Shinichiro Hamaji | 7223e7b | 2015-09-28 15:17:27 +0900 | [diff] [blame] | 344 | if (g_flags.gen_all_targets) { |
Sasha Smundak | 8174f9b | 2018-08-13 11:07:30 -0700 | [diff] [blame] | 345 | SymbolSet non_root_targets; |
Shinichiro Hamaji | 6ff74ce | 2015-10-03 11:58:35 +0900 | [diff] [blame] | 346 | for (const auto& p : rules_) { |
Dan Willemsen | ec5ca2c | 2018-06-10 21:27:16 -0700 | [diff] [blame] | 347 | if (p.first.get(0) == '.') |
| 348 | continue; |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 349 | for (const Rule* r : p.second.rules) { |
| 350 | for (Symbol t : r->inputs) |
| 351 | non_root_targets.insert(t); |
| 352 | for (Symbol t : r->order_only_inputs) |
| 353 | non_root_targets.insert(t); |
| 354 | } |
Shinichiro Hamaji | 6ff74ce | 2015-10-03 11:58:35 +0900 | [diff] [blame] | 355 | } |
| 356 | |
| 357 | for (const auto& p : rules_) { |
| 358 | Symbol t = p.first; |
Sasha Smundak | 8174f9b | 2018-08-13 11:07:30 -0700 | [diff] [blame] | 359 | if (!non_root_targets.exists(t) && t.get(0) != '.') { |
Shinichiro Hamaji | 6ff74ce | 2015-10-03 11:58:35 +0900 | [diff] [blame] | 360 | targets.push_back(p.first); |
| 361 | } |
| 362 | } |
Shinichiro Hamaji | 7223e7b | 2015-09-28 15:17:27 +0900 | [diff] [blame] | 363 | } |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 364 | |
| 365 | // TODO: LogStats? |
| 366 | |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 367 | for (Symbol target : targets) { |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 368 | cur_rule_vars_.reset(new Vars); |
| 369 | ev_->set_current_scope(cur_rule_vars_.get()); |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 370 | DepNode* n = BuildPlan(target, Intern("")); |
Dan Willemsen | ee57a3f | 2018-11-05 16:18:44 -0800 | [diff] [blame] | 371 | nodes->push_back({target, n}); |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 372 | ev_->set_current_scope(NULL); |
| 373 | cur_rule_vars_.reset(NULL); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 374 | } |
| 375 | } |
| 376 | |
| 377 | private: |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 378 | bool Exists(Symbol target) { |
Sasha Smundak | 8174f9b | 2018-08-13 11:07:30 -0700 | [diff] [blame] | 379 | return (rules_.find(target) != rules_.end()) || phony_.exists(target) || |
| 380 | ::Exists(target.str()); |
Shinichiro Hamaji | 52dbb60 | 2015-06-19 15:57:07 +0900 | [diff] [blame] | 381 | } |
| 382 | |
Shinichiro Hamaji | a5ac4d9 | 2016-02-19 14:47:23 +0900 | [diff] [blame] | 383 | bool GetRuleInputs(Symbol s, vector<Symbol>* o, Loc* l) { |
| 384 | auto found = rules_.find(s); |
| 385 | if (found == rules_.end()) |
| 386 | return false; |
| 387 | |
| 388 | o->clear(); |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 389 | CHECK(!found->second.rules.empty()); |
| 390 | *l = found->second.rules.front()->loc; |
| 391 | for (const Rule* r : found->second.rules) { |
| 392 | for (Symbol i : r->inputs) |
| 393 | o->push_back(i); |
Shinichiro Hamaji | a5ac4d9 | 2016-02-19 14:47:23 +0900 | [diff] [blame] | 394 | } |
| 395 | return true; |
| 396 | } |
| 397 | |
Shinichiro Hamaji | 7a2659e | 2016-02-08 14:32:56 +0900 | [diff] [blame] | 398 | void PopulateRules(const vector<const Rule*>& rules) { |
| 399 | for (const Rule* rule : rules) { |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 400 | if (rule->outputs.empty()) { |
| 401 | PopulateImplicitRule(rule); |
| 402 | } else { |
| 403 | PopulateExplicitRule(rule); |
| 404 | } |
| 405 | } |
Shinichiro Hamaji | 65657d9 | 2015-06-24 17:05:50 +0900 | [diff] [blame] | 406 | for (auto& p : suffix_rules_) { |
| 407 | reverse(p.second.begin(), p.second.end()); |
| 408 | } |
Dan Willemsen | 72a8e01 | 2017-08-13 22:06:47 -0700 | [diff] [blame] | 409 | for (auto& p : rules_) { |
| 410 | auto vars = LookupRuleVars(p.first); |
| 411 | if (!vars) { |
| 412 | continue; |
| 413 | } |
| 414 | auto var = vars->Lookup(implicit_outputs_var_name_); |
| 415 | if (!var->IsDefined()) { |
| 416 | continue; |
| 417 | } |
| 418 | |
| 419 | string implicit_outputs; |
| 420 | var->Eval(ev_, &implicit_outputs); |
| 421 | |
| 422 | for (StringPiece output : WordScanner(implicit_outputs)) { |
| 423 | Symbol sym = Intern(TrimLeadingCurdir(output)); |
| 424 | rules_[sym].SetImplicitOutput(sym, p.first, &p.second); |
| 425 | p.second.AddImplicitOutput(sym, &rules_[sym]); |
| 426 | } |
| 427 | } |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 428 | } |
| 429 | |
Shinichiro Hamaji | 7a2659e | 2016-02-08 14:32:56 +0900 | [diff] [blame] | 430 | bool PopulateSuffixRule(const Rule* rule, Symbol output) { |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 431 | if (!IsSuffixRule(output)) |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 432 | return false; |
| 433 | |
Dan Willemsen | 6aafee6 | 2018-06-10 12:48:47 -0700 | [diff] [blame] | 434 | if (g_flags.werror_suffix_rules) { |
| 435 | ERROR_LOC(rule->loc, "*** suffix rules are obsolete: %s", output.c_str()); |
| 436 | } else if (g_flags.warn_suffix_rules) { |
| 437 | WARN_LOC(rule->loc, "warning: suffix rules are deprecated: %s", |
| 438 | output.c_str()); |
| 439 | } |
| 440 | |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 441 | const StringPiece rest = StringPiece(output.str()).substr(1); |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 442 | size_t dot_index = rest.find('.'); |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 443 | |
| 444 | StringPiece input_suffix = rest.substr(0, dot_index); |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 445 | StringPiece output_suffix = rest.substr(dot_index + 1); |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 446 | shared_ptr<Rule> r = make_shared<Rule>(*rule); |
| 447 | r->inputs.clear(); |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 448 | r->inputs.push_back(Intern(input_suffix)); |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 449 | r->is_suffix_rule = true; |
| 450 | suffix_rules_[output_suffix].push_back(r); |
| 451 | return true; |
| 452 | } |
| 453 | |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 454 | void PopulateExplicitRule(const Rule* rule) { |
| 455 | for (Symbol output : rule->outputs) { |
| 456 | if (!first_rule_.IsValid() && output.get(0) != '.') { |
| 457 | first_rule_ = output; |
Shinichiro Hamaji | 53ffb07 | 2015-09-26 12:07:22 +0900 | [diff] [blame] | 458 | } |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 459 | rules_[output].AddRule(output, rule); |
| 460 | PopulateSuffixRule(rule, output); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 461 | } |
| 462 | } |
| 463 | |
Shinichiro Hamaji | 0a6e2a4 | 2016-02-16 19:21:26 +0900 | [diff] [blame] | 464 | static bool IsIgnorableImplicitRule(const Rule* rule) { |
Shinichiro Hamaji | 6ba7964 | 2016-02-16 19:13:29 +0900 | [diff] [blame] | 465 | // As kati doesn't have RCS/SCCS related default rules, we can |
| 466 | // safely ignore suppression for them. |
| 467 | if (rule->inputs.size() != 1) |
| 468 | return false; |
| 469 | if (!rule->order_only_inputs.empty()) |
| 470 | return false; |
| 471 | if (!rule->cmds.empty()) |
| 472 | return false; |
| 473 | const string& i = rule->inputs[0].str(); |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 474 | return (i == "RCS/%,v" || i == "RCS/%" || i == "%,v" || i == "s.%" || |
| 475 | i == "SCCS/s.%"); |
Shinichiro Hamaji | 6ba7964 | 2016-02-16 19:13:29 +0900 | [diff] [blame] | 476 | } |
| 477 | |
Shinichiro Hamaji | 7a2659e | 2016-02-08 14:32:56 +0900 | [diff] [blame] | 478 | void PopulateImplicitRule(const Rule* rule) { |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 479 | for (Symbol output_pattern : rule->output_patterns) { |
Dan Willemsen | 6aafee6 | 2018-06-10 12:48:47 -0700 | [diff] [blame] | 480 | if (output_pattern.str() != "%" || !IsIgnorableImplicitRule(rule)) { |
| 481 | if (g_flags.werror_implicit_rules) { |
| 482 | ERROR_LOC(rule->loc, "*** implicit rules are obsolete: %s", |
| 483 | output_pattern.c_str()); |
| 484 | } else if (g_flags.warn_implicit_rules) { |
| 485 | WARN_LOC(rule->loc, "warning: implicit rules are deprecated: %s", |
| 486 | output_pattern.c_str()); |
| 487 | } |
| 488 | |
Shinichiro Hamaji | 6ba7964 | 2016-02-16 19:13:29 +0900 | [diff] [blame] | 489 | implicit_rules_->Add(output_pattern.str(), rule); |
Dan Willemsen | 6aafee6 | 2018-06-10 12:48:47 -0700 | [diff] [blame] | 490 | } |
Shinichiro Hamaji | 4a71131 | 2015-06-19 14:44:20 +0900 | [diff] [blame] | 491 | } |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 492 | } |
| 493 | |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 494 | const RuleMerger* LookupRuleMerger(Symbol o) { |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 495 | auto found = rules_.find(o); |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 496 | if (found != rules_.end()) { |
| 497 | return &found->second; |
| 498 | } |
| 499 | return nullptr; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 500 | } |
| 501 | |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 502 | Vars* LookupRuleVars(Symbol o) { |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 503 | auto found = rule_vars_.find(o); |
| 504 | if (found != rule_vars_.end()) |
| 505 | return found->second; |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 506 | return nullptr; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 507 | } |
| 508 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 509 | bool CanPickImplicitRule(const Rule* rule, |
| 510 | Symbol output, |
| 511 | DepNode* n, |
Shinichiro Hamaji | 7eac665 | 2016-02-02 12:25:08 +0900 | [diff] [blame] | 512 | shared_ptr<Rule>* out_rule) { |
Sasha Smundak | 8174f9b | 2018-08-13 11:07:30 -0700 | [diff] [blame] | 513 | Symbol matched; |
Shinichiro Hamaji | 7eac665 | 2016-02-02 12:25:08 +0900 | [diff] [blame] | 514 | for (Symbol output_pattern : rule->output_patterns) { |
| 515 | Pattern pat(output_pattern.str()); |
| 516 | if (pat.Match(output.str())) { |
| 517 | bool ok = true; |
| 518 | for (Symbol input : rule->inputs) { |
| 519 | string buf; |
| 520 | pat.AppendSubst(output.str(), input.str(), &buf); |
| 521 | if (!Exists(Intern(buf))) { |
| 522 | ok = false; |
| 523 | break; |
| 524 | } |
| 525 | } |
| 526 | |
| 527 | if (ok) { |
| 528 | matched = output_pattern; |
| 529 | break; |
| 530 | } |
| 531 | } |
| 532 | } |
| 533 | if (!matched.IsValid()) |
Shinichiro Hamaji | 52dbb60 | 2015-06-19 15:57:07 +0900 | [diff] [blame] | 534 | return false; |
Shinichiro Hamaji | 7eac665 | 2016-02-02 12:25:08 +0900 | [diff] [blame] | 535 | |
| 536 | *out_rule = make_shared<Rule>(*rule); |
| 537 | if ((*out_rule)->output_patterns.size() > 1) { |
| 538 | // We should mark all other output patterns as used. |
| 539 | Pattern pat(matched.str()); |
| 540 | for (Symbol output_pattern : rule->output_patterns) { |
| 541 | if (output_pattern == matched) |
| 542 | continue; |
| 543 | string buf; |
| 544 | pat.AppendSubst(output.str(), output_pattern.str(), &buf); |
| 545 | done_[Intern(buf)] = n; |
| 546 | } |
| 547 | (*out_rule)->output_patterns.clear(); |
| 548 | (*out_rule)->output_patterns.push_back(matched); |
Shinichiro Hamaji | 52dbb60 | 2015-06-19 15:57:07 +0900 | [diff] [blame] | 549 | } |
Shinichiro Hamaji | 7eac665 | 2016-02-02 12:25:08 +0900 | [diff] [blame] | 550 | |
Shinichiro Hamaji | 52dbb60 | 2015-06-19 15:57:07 +0900 | [diff] [blame] | 551 | return true; |
| 552 | } |
| 553 | |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 554 | Vars* MergeImplicitRuleVars(Symbol output, Vars* vars) { |
Shinichiro Hamaji | dca79a3 | 2015-06-24 15:27:33 +0900 | [diff] [blame] | 555 | auto found = rule_vars_.find(output); |
| 556 | if (found == rule_vars_.end()) |
| 557 | return vars; |
| 558 | if (vars == NULL) |
| 559 | return found->second; |
| 560 | // TODO: leak. |
| 561 | Vars* r = new Vars(*found->second); |
| 562 | for (auto p : *vars) { |
| 563 | (*r)[p.first] = p.second; |
| 564 | } |
| 565 | return r; |
| 566 | } |
| 567 | |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 568 | bool PickRule(Symbol output, |
| 569 | DepNode* n, |
| 570 | const RuleMerger** out_rule_merger, |
| 571 | shared_ptr<Rule>* pattern_rule, |
| 572 | Vars** out_var) { |
| 573 | const RuleMerger* rule_merger = LookupRuleMerger(output); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 574 | Vars* vars = LookupRuleVars(output); |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 575 | *out_rule_merger = rule_merger; |
Shinichiro Hamaji | 4a71131 | 2015-06-19 14:44:20 +0900 | [diff] [blame] | 576 | *out_var = vars; |
Dan Willemsen | 72a8e01 | 2017-08-13 22:06:47 -0700 | [diff] [blame] | 577 | if (rule_merger && rule_merger->primary_rule) { |
| 578 | for (auto implicit_output : rule_merger->implicit_outputs) { |
| 579 | vars = MergeImplicitRuleVars(implicit_output.first, vars); |
| 580 | } |
| 581 | *out_var = vars; |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 582 | return true; |
Dan Willemsen | 72a8e01 | 2017-08-13 22:06:47 -0700 | [diff] [blame] | 583 | } |
Shinichiro Hamaji | 4a71131 | 2015-06-19 14:44:20 +0900 | [diff] [blame] | 584 | |
Shinichiro Hamaji | 7eac665 | 2016-02-02 12:25:08 +0900 | [diff] [blame] | 585 | vector<const Rule*> irules; |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 586 | implicit_rules_->Get(output.str(), &irules); |
Shinichiro Hamaji | 2a04789 | 2015-06-29 13:56:41 +0900 | [diff] [blame] | 587 | for (auto iter = irules.rbegin(); iter != irules.rend(); ++iter) { |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 588 | if (!CanPickImplicitRule(*iter, output, n, pattern_rule)) |
Shinichiro Hamaji | 4a71131 | 2015-06-19 14:44:20 +0900 | [diff] [blame] | 589 | continue; |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 590 | if (rule_merger) { |
Shinichiro Hamaji | 4a71131 | 2015-06-19 14:44:20 +0900 | [diff] [blame] | 591 | return true; |
| 592 | } |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 593 | CHECK((*pattern_rule)->output_patterns.size() == 1); |
| 594 | vars = MergeImplicitRuleVars((*pattern_rule)->output_patterns[0], vars); |
Shinichiro Hamaji | 271c580 | 2016-01-26 15:11:57 +0900 | [diff] [blame] | 595 | *out_var = vars; |
Shinichiro Hamaji | 4a71131 | 2015-06-19 14:44:20 +0900 | [diff] [blame] | 596 | return true; |
| 597 | } |
| 598 | |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 599 | StringPiece output_suffix = GetExt(output.str()); |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 600 | if (output_suffix.get(0) != '.') |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 601 | return rule_merger; |
Shinichiro Hamaji | 52dbb60 | 2015-06-19 15:57:07 +0900 | [diff] [blame] | 602 | output_suffix = output_suffix.substr(1); |
Shinichiro Hamaji | 4a71131 | 2015-06-19 14:44:20 +0900 | [diff] [blame] | 603 | |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 604 | SuffixRuleMap::const_iterator found = suffix_rules_.find(output_suffix); |
| 605 | if (found == suffix_rules_.end()) |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 606 | return rule_merger; |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 607 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 608 | for (const shared_ptr<Rule>& irule : found->second) { |
Shinichiro Hamaji | 52dbb60 | 2015-06-19 15:57:07 +0900 | [diff] [blame] | 609 | CHECK(irule->inputs.size() == 1); |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 610 | Symbol input = ReplaceSuffix(output, irule->inputs[0]); |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 611 | if (!Exists(input)) |
| 612 | continue; |
| 613 | |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 614 | *pattern_rule = irule; |
| 615 | if (rule_merger) |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 616 | return true; |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 617 | if (vars) { |
Shinichiro Hamaji | dca79a3 | 2015-06-24 15:27:33 +0900 | [diff] [blame] | 618 | CHECK(irule->outputs.size() == 1); |
| 619 | vars = MergeImplicitRuleVars(irule->outputs[0], vars); |
| 620 | *out_var = vars; |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 621 | } |
Shinichiro Hamaji | 52dbb60 | 2015-06-19 15:57:07 +0900 | [diff] [blame] | 622 | return true; |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 623 | } |
| 624 | |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 625 | return rule_merger; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 626 | } |
| 627 | |
Shinichiro Hamaji | 8d50301 | 2015-07-03 16:26:15 +0900 | [diff] [blame] | 628 | DepNode* BuildPlan(Symbol output, Symbol needed_by UNUSED) { |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 629 | LOG("BuildPlan: %s for %s", output.c_str(), needed_by.c_str()); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 630 | |
| 631 | auto found = done_.find(output); |
| 632 | if (found != done_.end()) { |
| 633 | return found->second; |
| 634 | } |
| 635 | |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 636 | DepNode* n = |
Sasha Smundak | 8174f9b | 2018-08-13 11:07:30 -0700 | [diff] [blame] | 637 | new DepNode(output, phony_.exists(output), restat_.exists(output)); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 638 | done_[output] = n; |
| 639 | |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 640 | const RuleMerger* rule_merger = nullptr; |
| 641 | shared_ptr<Rule> pattern_rule; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 642 | Vars* vars; |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 643 | if (!PickRule(output, n, &rule_merger, &pattern_rule, &vars)) { |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 644 | return n; |
| 645 | } |
Dan Willemsen | 72a8e01 | 2017-08-13 22:06:47 -0700 | [diff] [blame] | 646 | if (rule_merger && rule_merger->parent) { |
| 647 | output = rule_merger->parent_sym; |
| 648 | done_[output] = n; |
| 649 | n->output = output; |
| 650 | if (!PickRule(output, n, &rule_merger, &pattern_rule, &vars)) { |
| 651 | return n; |
| 652 | } |
| 653 | } |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 654 | if (rule_merger) |
| 655 | rule_merger->FillDepNode(output, pattern_rule.get(), n); |
| 656 | else |
| 657 | RuleMerger().FillDepNode(output, pattern_rule.get(), n); |
Shinichiro Hamaji | a7984ad | 2015-09-11 16:33:16 +0900 | [diff] [blame] | 658 | |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 659 | vector<unique_ptr<ScopedVar>> sv; |
| 660 | if (vars) { |
| 661 | for (const auto& p : *vars) { |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 662 | Symbol name = p.first; |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 663 | Var* var = p.second; |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 664 | CHECK(var); |
Sasha Smundak | ae1d58c | 2018-08-22 09:39:42 -0700 | [diff] [blame] | 665 | Var* new_var = var; |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 666 | if (var->op() == AssignOp::PLUS_EQ) { |
| 667 | Var* old_var = ev_->LookupVar(name); |
| 668 | if (old_var->IsDefined()) { |
| 669 | // TODO: This would be incorrect and has a leak. |
| 670 | shared_ptr<string> s = make_shared<string>(); |
| 671 | old_var->Eval(ev_, s.get()); |
Shinichiro Hamaji | 3c785c7 | 2015-06-23 19:22:34 +0900 | [diff] [blame] | 672 | if (!s->empty()) |
| 673 | *s += ' '; |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 674 | new_var->Eval(ev_, s.get()); |
Shinichiro Hamaji | 5081c71 | 2015-08-14 16:49:20 +0900 | [diff] [blame] | 675 | new_var = new SimpleVar(*s, old_var->Origin()); |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 676 | } |
| 677 | } else if (var->op() == AssignOp::QUESTION_EQ) { |
| 678 | Var* old_var = ev_->LookupVar(name); |
| 679 | if (old_var->IsDefined()) { |
| 680 | continue; |
| 681 | } |
| 682 | } |
Shinichiro Hamaji | 85e5ed0 | 2016-01-20 16:25:32 +0900 | [diff] [blame] | 683 | |
| 684 | if (name == depfile_var_name_) { |
| 685 | n->depfile_var = new_var; |
Dan Willemsen | b78d16f | 2017-08-09 16:51:34 -0700 | [diff] [blame] | 686 | } else if (name == implicit_outputs_var_name_) { |
Dan Willemsen | 2f75ffa | 2016-11-04 16:57:57 -0700 | [diff] [blame] | 687 | } else if (name == ninja_pool_var_name_) { |
| 688 | n->ninja_pool_var = new_var; |
Shinichiro Hamaji | 85e5ed0 | 2016-01-20 16:25:32 +0900 | [diff] [blame] | 689 | } else { |
| 690 | sv.emplace_back(new ScopedVar(cur_rule_vars_.get(), name, new_var)); |
| 691 | } |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 692 | } |
| 693 | } |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 694 | |
Dan Willemsen | 8b551c5 | 2018-06-08 16:39:23 -0700 | [diff] [blame] | 695 | if (g_flags.warn_phony_looks_real && n->is_phony && |
| 696 | output.str().find("/") != string::npos) { |
| 697 | if (g_flags.werror_phony_looks_real) { |
| 698 | ERROR_LOC( |
| 699 | n->loc, |
| 700 | "*** PHONY target \"%s\" looks like a real file (contains a \"/\")", |
| 701 | output.c_str()); |
| 702 | } else { |
| 703 | WARN_LOC(n->loc, |
| 704 | "warning: PHONY target \"%s\" looks like a real file " |
| 705 | "(contains a \"/\")", |
| 706 | output.c_str()); |
| 707 | } |
| 708 | } |
| 709 | |
Dan Willemsen | a42898a | 2018-06-09 12:09:27 -0700 | [diff] [blame] | 710 | if (!g_flags.writable.empty() && !n->is_phony) { |
| 711 | bool found = false; |
| 712 | for (const auto& w : g_flags.writable) { |
| 713 | if (StringPiece(output.str()).starts_with(w)) { |
| 714 | found = true; |
| 715 | break; |
| 716 | } |
| 717 | } |
| 718 | if (!found) { |
| 719 | if (g_flags.werror_writable) { |
| 720 | ERROR_LOC(n->loc, "*** writing to readonly directory: \"%s\"", |
| 721 | output.c_str()); |
| 722 | } else { |
| 723 | WARN_LOC(n->loc, "warning: writing to readonly directory: \"%s\"", |
| 724 | output.c_str()); |
| 725 | } |
| 726 | } |
| 727 | } |
| 728 | |
Dan Willemsen | 72a8e01 | 2017-08-13 22:06:47 -0700 | [diff] [blame] | 729 | for (Symbol output : n->implicit_outputs) { |
| 730 | done_[output] = n; |
Dan Willemsen | 8b551c5 | 2018-06-08 16:39:23 -0700 | [diff] [blame] | 731 | |
| 732 | if (g_flags.warn_phony_looks_real && n->is_phony && |
| 733 | output.str().find("/") != string::npos) { |
| 734 | if (g_flags.werror_phony_looks_real) { |
| 735 | ERROR_LOC(n->loc, |
| 736 | "*** PHONY target \"%s\" looks like a real file (contains " |
| 737 | "a \"/\")", |
| 738 | output.c_str()); |
| 739 | } else { |
| 740 | WARN_LOC(n->loc, |
| 741 | "warning: PHONY target \"%s\" looks like a real file " |
| 742 | "(contains a \"/\")", |
| 743 | output.c_str()); |
| 744 | } |
| 745 | } |
Dan Willemsen | a42898a | 2018-06-09 12:09:27 -0700 | [diff] [blame] | 746 | |
| 747 | if (!g_flags.writable.empty() && !n->is_phony) { |
| 748 | bool found = false; |
| 749 | for (const auto& w : g_flags.writable) { |
| 750 | if (StringPiece(output.str()).starts_with(w)) { |
| 751 | found = true; |
| 752 | break; |
| 753 | } |
| 754 | } |
| 755 | if (!found) { |
| 756 | if (g_flags.werror_writable) { |
| 757 | ERROR_LOC(n->loc, "*** writing to readonly directory: \"%s\"", |
| 758 | output.c_str()); |
| 759 | } else { |
| 760 | WARN_LOC(n->loc, "warning: writing to readonly directory: \"%s\"", |
| 761 | output.c_str()); |
| 762 | } |
| 763 | } |
| 764 | } |
Dan Willemsen | 72a8e01 | 2017-08-13 22:06:47 -0700 | [diff] [blame] | 765 | } |
| 766 | |
Shinichiro Hamaji | 53ffb07 | 2015-09-26 12:07:22 +0900 | [diff] [blame] | 767 | for (Symbol input : n->actual_inputs) { |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 768 | DepNode* c = BuildPlan(input, output); |
Sasha Smundak | e8f4d6d | 2018-07-27 10:34:04 -0700 | [diff] [blame] | 769 | n->deps.push_back({input, c}); |
Dan Willemsen | 8b551c5 | 2018-06-08 16:39:23 -0700 | [diff] [blame] | 770 | |
Dan Willemsen | 40f26e1 | 2019-01-21 12:32:18 -0800 | [diff] [blame] | 771 | bool is_phony = c->is_phony; |
| 772 | if (!is_phony && !c->has_rule && g_flags.top_level_phony) { |
| 773 | is_phony = input.str().find("/") == string::npos; |
| 774 | } |
| 775 | if (!n->is_phony && is_phony) { |
Dan Willemsen | 8b551c5 | 2018-06-08 16:39:23 -0700 | [diff] [blame] | 776 | if (g_flags.werror_real_to_phony) { |
| 777 | ERROR_LOC(n->loc, |
| 778 | "*** real file \"%s\" depends on PHONY target \"%s\"", |
| 779 | output.c_str(), input.c_str()); |
| 780 | } else if (g_flags.warn_real_to_phony) { |
| 781 | WARN_LOC(n->loc, |
| 782 | "warning: real file \"%s\" depends on PHONY target \"%s\"", |
| 783 | output.c_str(), input.c_str()); |
| 784 | } |
| 785 | } |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 786 | } |
| 787 | |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 788 | for (Symbol input : n->actual_order_only_inputs) { |
Shinichiro Hamaji | 704e4fe | 2015-06-24 17:37:47 +0900 | [diff] [blame] | 789 | DepNode* c = BuildPlan(input, output); |
Dan Willemsen | ee57a3f | 2018-11-05 16:18:44 -0800 | [diff] [blame] | 790 | n->order_onlys.push_back({input, c}); |
Shinichiro Hamaji | 704e4fe | 2015-06-24 17:37:47 +0900 | [diff] [blame] | 791 | } |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 792 | |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 793 | n->has_rule = true; |
Shinichiro Hamaji | 0325b16 | 2016-02-19 14:55:09 +0900 | [diff] [blame] | 794 | n->is_default_target = first_rule_ == output; |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 795 | if (cur_rule_vars_->empty()) { |
| 796 | n->rule_vars = NULL; |
| 797 | } else { |
| 798 | n->rule_vars = new Vars; |
| 799 | for (auto p : *cur_rule_vars_) { |
| 800 | n->rule_vars->insert(p); |
| 801 | } |
| 802 | } |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 803 | |
| 804 | return n; |
| 805 | } |
| 806 | |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 807 | Evaluator* ev_; |
Shinichiro Hamaji | 3727d21 | 2016-02-19 15:21:32 +0900 | [diff] [blame] | 808 | map<Symbol, RuleMerger> rules_; |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 809 | const unordered_map<Symbol, Vars*>& rule_vars_; |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 810 | unique_ptr<Vars> cur_rule_vars_; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 811 | |
Shinichiro Hamaji | 2a04789 | 2015-06-29 13:56:41 +0900 | [diff] [blame] | 812 | unique_ptr<RuleTrie> implicit_rules_; |
Shinichiro Hamaji | 0562c30 | 2015-06-19 15:30:49 +0900 | [diff] [blame] | 813 | typedef unordered_map<StringPiece, vector<shared_ptr<Rule>>> SuffixRuleMap; |
| 814 | SuffixRuleMap suffix_rules_; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 815 | |
Shinichiro Hamaji | 8f813fe | 2016-02-19 14:32:51 +0900 | [diff] [blame] | 816 | Symbol first_rule_; |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 817 | unordered_map<Symbol, DepNode*> done_; |
Sasha Smundak | 8174f9b | 2018-08-13 11:07:30 -0700 | [diff] [blame] | 818 | SymbolSet phony_; |
| 819 | SymbolSet restat_; |
Shinichiro Hamaji | 85e5ed0 | 2016-01-20 16:25:32 +0900 | [diff] [blame] | 820 | Symbol depfile_var_name_; |
Dan Willemsen | b78d16f | 2017-08-09 16:51:34 -0700 | [diff] [blame] | 821 | Symbol implicit_outputs_var_name_; |
Dan Willemsen | 2f75ffa | 2016-11-04 16:57:57 -0700 | [diff] [blame] | 822 | Symbol ninja_pool_var_name_; |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 823 | }; |
| 824 | |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 825 | void MakeDep(Evaluator* ev, |
Shinichiro Hamaji | 7a2659e | 2016-02-08 14:32:56 +0900 | [diff] [blame] | 826 | const vector<const Rule*>& rules, |
Shinichiro Hamaji | e799275 | 2015-06-29 18:38:35 +0900 | [diff] [blame] | 827 | const unordered_map<Symbol, Vars*>& rule_vars, |
| 828 | const vector<Symbol>& targets, |
Sasha Smundak | e8f4d6d | 2018-07-27 10:34:04 -0700 | [diff] [blame] | 829 | vector<NamedDepNode>* nodes) { |
Shinichiro Hamaji | ffc52c3 | 2015-06-23 16:51:07 +0900 | [diff] [blame] | 830 | DepBuilder db(ev, rules, rule_vars); |
Shinichiro Hamaji | 54a3d53 | 2016-02-16 17:33:27 +0900 | [diff] [blame] | 831 | ScopedTimeReporter tr("make dep (build)"); |
Shinichiro Hamaji | 776ca30 | 2015-06-06 03:52:48 +0900 | [diff] [blame] | 832 | db.Build(targets, nodes); |
| 833 | } |
| 834 | |
| 835 | void InitDepNodePool() { |
| 836 | g_dep_node_pool = new vector<DepNode*>; |
| 837 | } |
| 838 | |
| 839 | void QuitDepNodePool() { |
| 840 | for (DepNode* n : *g_dep_node_pool) |
| 841 | delete n; |
| 842 | delete g_dep_node_pool; |
| 843 | } |