func.cc revision b67a299ca5eb1c9272aa01fe2645d2c7a28c5d72
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 "func.h" 18 19#include <errno.h> 20#include <limits.h> 21#include <stdio.h> 22#include <stdlib.h> 23#include <unistd.h> 24 25#include <algorithm> 26#include <iterator> 27#include <memory> 28#include <unordered_map> 29 30#include "eval.h" 31#include "fileutil.h" 32#include "find.h" 33#include "log.h" 34#include "parser.h" 35#include "stats.h" 36#include "stmt.h" 37#include "strutil.h" 38#include "symtab.h" 39#include "var.h" 40 41namespace { 42 43// TODO: This code is very similar to 44// NinjaGenerator::TranslateCommand. Factor them out. 45void StripShellComment(string* cmd) { 46 if (cmd->find('#') == string::npos) 47 return; 48 49 string res; 50 bool prev_backslash = false; 51 // Set space as an initial value so the leading comment will be 52 // stripped out. 53 char prev_char = ' '; 54 char quote = 0; 55 bool done = false; 56 const char* in = cmd->c_str(); 57 for (; *in && !done; in++) { 58 switch (*in) { 59 case '#': 60 if (quote == 0 && isspace(prev_char)) { 61 while (in[1] && *in != '\n') 62 in++; 63 break; 64 } 65 66 case '\'': 67 case '"': 68 case '`': 69 if (quote) { 70 if (quote == *in) 71 quote = 0; 72 } else if (!prev_backslash) { 73 quote = *in; 74 } 75 res += *in; 76 break; 77 78 case '\\': 79 res += '\\'; 80 break; 81 82 default: 83 res += *in; 84 } 85 86 if (*in == '\\') { 87 prev_backslash = !prev_backslash; 88 } else { 89 prev_backslash = false; 90 } 91 92 prev_char = *in; 93 } 94 cmd->swap(res); 95} 96 97void PatsubstFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 98 const string&& pat_str = args[0]->Eval(ev); 99 const string&& repl = args[1]->Eval(ev); 100 const string&& str = args[2]->Eval(ev); 101 WordWriter ww(s); 102 Pattern pat(pat_str); 103 for (StringPiece tok : WordScanner(str)) { 104 ww.MaybeAddWhitespace(); 105 pat.AppendSubst(tok, repl, s); 106 } 107} 108 109void StripFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 110 const string&& str = args[0]->Eval(ev); 111 WordWriter ww(s); 112 for (StringPiece tok : WordScanner(str)) { 113 ww.Write(tok); 114 } 115} 116 117void SubstFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 118 const string&& pat = args[0]->Eval(ev); 119 const string&& repl = args[1]->Eval(ev); 120 const string&& str = args[2]->Eval(ev); 121 if (pat.empty()) { 122 *s += str; 123 *s += repl; 124 return; 125 } 126 size_t index = 0; 127 while (index < str.size()) { 128 size_t found = str.find(pat, index); 129 if (found == string::npos) 130 break; 131 AppendString(StringPiece(str).substr(index, found - index), s); 132 AppendString(repl, s); 133 index = found + pat.size(); 134 } 135 AppendString(StringPiece(str).substr(index), s); 136} 137 138void FindstringFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 139 const string&& find = args[0]->Eval(ev); 140 const string&& in = args[1]->Eval(ev); 141 if (in.find(find) != string::npos) 142 AppendString(find, s); 143} 144 145void FilterFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 146 const string&& pat_buf = args[0]->Eval(ev); 147 const string&& text = args[1]->Eval(ev); 148 vector<Pattern> pats; 149 for (StringPiece pat : WordScanner(pat_buf)) { 150 pats.push_back(Pattern(pat)); 151 } 152 WordWriter ww(s); 153 for (StringPiece tok : WordScanner(text)) { 154 for (const Pattern& pat : pats) { 155 if (pat.Match(tok)) { 156 ww.Write(tok); 157 break; 158 } 159 } 160 } 161} 162 163void FilterOutFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 164 const string&& pat_buf = args[0]->Eval(ev); 165 const string&& text = args[1]->Eval(ev); 166 vector<Pattern> pats; 167 for (StringPiece pat : WordScanner(pat_buf)) { 168 pats.push_back(Pattern(pat)); 169 } 170 WordWriter ww(s); 171 for (StringPiece tok : WordScanner(text)) { 172 bool matched = false; 173 for (const Pattern& pat : pats) { 174 if (pat.Match(tok)) { 175 matched = true; 176 break; 177 } 178 } 179 if (!matched) 180 ww.Write(tok); 181 } 182} 183 184void SortFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 185 const string&& list = args[0]->Eval(ev); 186 vector<StringPiece> toks; 187 WordScanner(list).Split(&toks); 188 sort(toks.begin(), toks.end()); 189 WordWriter ww(s); 190 StringPiece prev; 191 for (StringPiece tok : toks) { 192 if (prev != tok) { 193 ww.Write(tok); 194 prev = tok; 195 } 196 } 197} 198 199static int GetNumericValueForFunc(const string& buf) { 200 StringPiece s = TrimLeftSpace(buf); 201 char* end; 202 long n = strtol(s.data(), &end, 10); 203 if (n < 0 || n == LONG_MAX || s.data() + s.size() != end) { 204 return -1; 205 } 206 return n; 207} 208 209void WordFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 210 const string&& n_str = args[0]->Eval(ev); 211 int n = GetNumericValueForFunc(n_str); 212 if (n < 0) { 213 ev->Error(StringPrintf( 214 "*** non-numeric first argument to `word' function: '%s'.", 215 n_str.c_str())); 216 } 217 if (n == 0) { 218 ev->Error("*** first argument to `word' function must be greater than 0."); 219 } 220 221 const string&& text = args[1]->Eval(ev); 222 for (StringPiece tok : WordScanner(text)) { 223 n--; 224 if (n == 0) { 225 AppendString(tok, s); 226 break; 227 } 228 } 229} 230 231void WordlistFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 232 const string&& s_str = args[0]->Eval(ev); 233 int si = GetNumericValueForFunc(s_str); 234 if (si < 0) { 235 ev->Error(StringPrintf( 236 "*** non-numeric first argument to `wordlist' function: '%s'.", 237 s_str.c_str())); 238 } 239 if (si == 0) { 240 ev->Error(StringPrintf( 241 "*** invalid first argument to `wordlist' function: %s`", 242 s_str.c_str())); 243 } 244 245 const string&& e_str = args[1]->Eval(ev); 246 int ei = GetNumericValueForFunc(e_str); 247 if (ei < 0) { 248 ev->Error(StringPrintf( 249 "*** non-numeric second argument to `wordlist' function: '%s'.", 250 e_str.c_str())); 251 } 252 253 const string&& text = args[2]->Eval(ev); 254 int i = 0; 255 WordWriter ww(s); 256 for (StringPiece tok : WordScanner(text)) { 257 i++; 258 if (si <= i && i <= ei) { 259 ww.Write(tok); 260 } 261 } 262} 263 264void WordsFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 265 const string&& text = args[0]->Eval(ev); 266 WordScanner ws(text); 267 int n = 0; 268 for (auto iter = ws.begin(); iter != ws.end(); ++iter) 269 n++; 270 char buf[32]; 271 sprintf(buf, "%d", n); 272 *s += buf; 273} 274 275void FirstwordFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 276 const string&& text = args[0]->Eval(ev); 277 for (StringPiece tok : WordScanner(text)) { 278 AppendString(tok, s); 279 return; 280 } 281} 282 283void LastwordFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 284 const string&& text = args[0]->Eval(ev); 285 StringPiece last; 286 for (StringPiece tok : WordScanner(text)) { 287 last = tok; 288 } 289 AppendString(last, s); 290} 291 292void JoinFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 293 const string&& list1 = args[0]->Eval(ev); 294 const string&& list2 = args[1]->Eval(ev); 295 WordScanner ws1(list1); 296 WordScanner ws2(list2); 297 WordWriter ww(s); 298 for (WordScanner::Iterator iter1 = ws1.begin(), iter2 = ws2.begin(); 299 iter1 != ws1.end() && iter2 != ws2.end(); 300 ++iter1, ++iter2) { 301 ww.Write(*iter1); 302 // Use |AppendString| not to append extra ' '. 303 AppendString(*iter2, s); 304 } 305} 306 307void WildcardFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 308 const string&& pat = args[0]->Eval(ev); 309 COLLECT_STATS("func wildcard time"); 310 // Note GNU make does not delay the execution of $(wildcard) so we 311 // do not need to check avoid_io here. 312 WordWriter ww(s); 313 vector<string>* files; 314 for (StringPiece tok : WordScanner(pat)) { 315 ScopedTerminator st(tok); 316 Glob(tok.data(), &files); 317 sort(files->begin(), files->end()); 318 for (const string& file : *files) { 319 ww.Write(file); 320 } 321 } 322} 323 324void DirFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 325 const string&& text = args[0]->Eval(ev); 326 WordWriter ww(s); 327 for (StringPiece tok : WordScanner(text)) { 328 ww.Write(Dirname(tok)); 329 s->push_back('/'); 330 } 331} 332 333void NotdirFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 334 const string&& text = args[0]->Eval(ev); 335 WordWriter ww(s); 336 for (StringPiece tok : WordScanner(text)) { 337 if (tok == "/") { 338 ww.Write(StringPiece("")); 339 } else { 340 ww.Write(Basename(tok)); 341 } 342 } 343} 344 345void SuffixFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 346 const string&& text = args[0]->Eval(ev); 347 WordWriter ww(s); 348 for (StringPiece tok : WordScanner(text)) { 349 StringPiece suf = GetExt(tok); 350 if (!suf.empty()) 351 ww.Write(suf); 352 } 353} 354 355void BasenameFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 356 const string&& text = args[0]->Eval(ev); 357 WordWriter ww(s); 358 for (StringPiece tok : WordScanner(text)) { 359 ww.Write(StripExt(tok)); 360 } 361} 362 363void AddsuffixFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 364 const string&& suf = args[0]->Eval(ev); 365 const string&& text = args[1]->Eval(ev); 366 WordWriter ww(s); 367 for (StringPiece tok : WordScanner(text)) { 368 ww.Write(tok); 369 *s += suf; 370 } 371} 372 373void AddprefixFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 374 const string&& pre = args[0]->Eval(ev); 375 const string&& text = args[1]->Eval(ev); 376 WordWriter ww(s); 377 for (StringPiece tok : WordScanner(text)) { 378 ww.Write(pre); 379 AppendString(tok, s); 380 } 381} 382 383void RealpathFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 384 const string&& text = args[0]->Eval(ev); 385 if (ev->avoid_io()) { 386 *s += "$("; 387 string kati_binary; 388 GetExecutablePath(&kati_binary); 389 *s += kati_binary; 390 *s += " --realpath "; 391 *s += text; 392 *s += " 2> /dev/null)"; 393 return; 394 } 395 396 WordWriter ww(s); 397 for (StringPiece tok : WordScanner(text)) { 398 ScopedTerminator st(tok); 399 char buf[PATH_MAX]; 400 if (realpath(tok.data(), buf)) 401 ww.Write(buf); 402 } 403} 404 405void AbspathFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 406 const string&& text = args[0]->Eval(ev); 407 WordWriter ww(s); 408 string buf; 409 for (StringPiece tok : WordScanner(text)) { 410 AbsPath(tok, &buf); 411 ww.Write(buf); 412 } 413} 414 415void IfFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 416 const string&& cond = args[0]->Eval(ev); 417 if (cond.empty()) { 418 if (args.size() > 2) 419 args[2]->Eval(ev, s); 420 } else { 421 args[1]->Eval(ev, s); 422 } 423} 424 425void AndFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 426 string cond; 427 for (Value* a : args) { 428 cond = a->Eval(ev); 429 if (cond.empty()) 430 return; 431 } 432 if (!cond.empty()) { 433 *s += cond; 434 } 435} 436 437void OrFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 438 for (Value* a : args) { 439 const string&& cond = a->Eval(ev); 440 if (!cond.empty()) { 441 *s += cond; 442 return; 443 } 444 } 445} 446 447void ValueFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 448 const string&& var_name = args[0]->Eval(ev); 449 Var* var = ev->LookupVar(Intern(var_name)); 450 AppendString(var->String().as_string(), s); 451} 452 453void EvalFunc(const vector<Value*>& args, Evaluator* ev, string*) { 454 // TODO: eval leaks everything... for now. 455 //const string text = args[0]->Eval(ev); 456 string* text = new string; 457 args[0]->Eval(ev, text); 458 vector<Stmt*> stmts; 459 Parse(*text, ev->loc(), &stmts); 460 for (Stmt* stmt : stmts) { 461 LOG("%s", stmt->DebugString().c_str()); 462 stmt->Eval(ev); 463 //delete stmt; 464 } 465} 466 467//#define TEST_FIND_EMULATOR 468 469// A hack for Android build. We need to evaluate things like $((3+4)) 470// when we emit ninja file, because the result of such expressions 471// will be passed to other make functions. 472// TODO: Maybe we should introduce a helper binary which evaluate 473// make expressions at ninja-time. 474static bool HasNoIoInShellScript(const string& cmd) { 475 if (cmd.empty()) 476 return true; 477 if (HasPrefix(cmd, "echo $((") && cmd[cmd.size()-1] == ')') 478 return true; 479 return false; 480} 481 482static void ShellFuncImpl(const string& shell, const string& cmd, 483 string* s, FindCommand** fc) { 484 LOG("ShellFunc: %s", cmd.c_str()); 485 486#ifdef TEST_FIND_EMULATOR 487 bool need_check = false; 488 string out2; 489#endif 490 if (FindEmulator::Get()) { 491 *fc = new FindCommand(); 492 if ((*fc)->Parse(cmd)) { 493#ifdef TEST_FIND_EMULATOR 494 if (FindEmulator::Get()->HandleFind(cmd, **fc, &out2)) { 495 need_check = true; 496 } 497#else 498 if (FindEmulator::Get()->HandleFind(cmd, **fc, s)) { 499 return; 500 } 501#endif 502 } 503 delete *fc; 504 *fc = NULL; 505 } 506 507 COLLECT_STATS_WITH_SLOW_REPORT("func shell time", cmd.c_str()); 508 RunCommand(shell, cmd, RedirectStderr::NONE, s); 509 FormatForCommandSubstitution(s); 510 511#ifdef TEST_FIND_EMULATOR 512 if (need_check) { 513 if (*s != out2) { 514 ERROR("FindEmulator is broken: %s\n%s\nvs\n%s", 515 cmd.c_str(), s->c_str(), out2.c_str()); 516 } 517 } 518#endif 519} 520 521static vector<CommandResult*> g_command_results; 522 523bool ShouldStoreCommandResult(StringPiece cmd) { 524 if (HasWord(cmd, "date") || HasWord(cmd, "echo")) 525 return false; 526 if (g_flags.ignore_dirty_pattern) { 527 Pattern pat(g_flags.ignore_dirty_pattern); 528 for (StringPiece tok : WordScanner(cmd)) { 529 if (pat.Match(tok)) 530 return false; 531 } 532 } 533 return true; 534} 535 536void ShellFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 537 string cmd = args[0]->Eval(ev); 538 if (ev->avoid_io() && !HasNoIoInShellScript(cmd)) { 539 StripShellComment(&cmd); 540 *s += "$("; 541 *s += cmd; 542 *s += ")"; 543 return; 544 } 545 546 const string&& shell = ev->EvalVar(kShellSym); 547 548 string out; 549 FindCommand* fc = NULL; 550 ShellFuncImpl(shell, cmd, &out, &fc); 551 if (ShouldStoreCommandResult(cmd)) { 552 CommandResult* cr = new CommandResult(); 553 cr->cmd = cmd; 554 cr->find.reset(fc); 555 cr->result = out; 556 g_command_results.push_back(cr); 557 } 558 *s += out; 559} 560 561void CallFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 562 static const string tmpvar_names[] = { 563 "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" 564 }; 565 566 const string&& func_name = args[0]->Eval(ev); 567 Var* func = ev->LookupVar(Intern(func_name)); 568 vector<unique_ptr<SimpleVar>> av; 569 for (size_t i = 1; i < args.size(); i++) { 570 unique_ptr<SimpleVar> s( 571 new SimpleVar(args[i]->Eval(ev), VarOrigin::AUTOMATIC)); 572 av.push_back(move(s)); 573 } 574 vector<unique_ptr<ScopedVar>> sv; 575 for (size_t i = 1; ; i++) { 576 string s; 577 StringPiece tmpvar_name; 578 if (i < sizeof(tmpvar_names)/sizeof(tmpvar_names[0])) { 579 tmpvar_name = tmpvar_names[i]; 580 } else { 581 s = StringPrintf("%d", i); 582 tmpvar_name = s; 583 } 584 if (i < args.size()) { 585 sv.emplace_back(new ScopedVar(ev->mutable_vars(), 586 Intern(tmpvar_name), av[i-1].get())); 587 } else { 588 // We need to blank further automatic vars 589 Var *v = ev->LookupVar(Intern(tmpvar_name)); 590 if (!v->IsDefined()) break; 591 if (v->Origin() != VarOrigin::AUTOMATIC) break; 592 593 av.emplace_back(new SimpleVar("", VarOrigin::AUTOMATIC)); 594 sv.emplace_back(new ScopedVar(ev->mutable_vars(), 595 Intern(tmpvar_name), av[i-1].get())); 596 } 597 } 598 func->Eval(ev, s); 599} 600 601void ForeachFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 602 const string&& varname = args[0]->Eval(ev); 603 const string&& list = args[1]->Eval(ev); 604 WordWriter ww(s); 605 for (StringPiece tok : WordScanner(list)) { 606 unique_ptr<SimpleVar> v(new SimpleVar( 607 tok.as_string(), VarOrigin::AUTOMATIC)); 608 ScopedVar sv(ev->mutable_vars(), Intern(varname), v.get()); 609 ww.MaybeAddWhitespace(); 610 args[2]->Eval(ev, s); 611 } 612} 613 614void OriginFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 615 const string&& var_name = args[0]->Eval(ev); 616 Var* var = ev->LookupVar(Intern(var_name)); 617 *s += GetOriginStr(var->Origin()); 618} 619 620void FlavorFunc(const vector<Value*>& args, Evaluator* ev, string* s) { 621 const string&& var_name = args[0]->Eval(ev); 622 Var* var = ev->LookupVar(Intern(var_name)); 623 *s += var->Flavor(); 624} 625 626void InfoFunc(const vector<Value*>& args, Evaluator* ev, string*) { 627 const string&& a = args[0]->Eval(ev); 628 if (ev->avoid_io()) { 629 ev->add_delayed_output_command(StringPrintf("echo -e \"%s\"", EchoEscape(a).c_str())); 630 return; 631 } 632 printf("%s\n", a.c_str()); 633 fflush(stdout); 634} 635 636void WarningFunc(const vector<Value*>& args, Evaluator* ev, string*) { 637 const string&& a = args[0]->Eval(ev); 638 if (ev->avoid_io()) { 639 ev->add_delayed_output_command( 640 StringPrintf("echo -e \"%s:%d: %s\" 2>&1", LOCF(ev->loc()), EchoEscape(a).c_str())); 641 return; 642 } 643 printf("%s:%d: %s\n", LOCF(ev->loc()), a.c_str()); 644 fflush(stdout); 645} 646 647void ErrorFunc(const vector<Value*>& args, Evaluator* ev, string*) { 648 const string&& a = args[0]->Eval(ev); 649 if (ev->avoid_io()) { 650 ev->add_delayed_output_command( 651 StringPrintf("echo -e \"%s:%d: *** %s.\" 2>&1 && false", 652 LOCF(ev->loc()), EchoEscape(a).c_str())); 653 return; 654 } 655 ev->Error(StringPrintf("*** %s.", a.c_str())); 656} 657 658FuncInfo g_func_infos[] = { 659 { "patsubst", &PatsubstFunc, 3, 3, false, false }, 660 { "strip", &StripFunc, 1, 1, false, false }, 661 { "subst", &SubstFunc, 3, 3, false, false }, 662 { "findstring", &FindstringFunc, 2, 2, false, false }, 663 { "filter", &FilterFunc, 2, 2, false, false }, 664 { "filter-out", &FilterOutFunc, 2, 2, false, false }, 665 { "sort", &SortFunc, 1, 1, false, false }, 666 { "word", &WordFunc, 2, 2, false, false }, 667 { "wordlist", &WordlistFunc, 3, 3, false, false }, 668 { "words", &WordsFunc, 1, 1, false, false }, 669 { "firstword", &FirstwordFunc, 1, 1, false, false }, 670 { "lastword", &LastwordFunc, 1, 1, false, false }, 671 672 { "join", &JoinFunc, 2, 2, false, false }, 673 { "wildcard", &WildcardFunc, 1, 1, false, false }, 674 { "dir", &DirFunc, 1, 1, false, false }, 675 { "notdir", &NotdirFunc, 1, 1, false, false }, 676 { "suffix", &SuffixFunc, 1, 1, false, false }, 677 { "basename", &BasenameFunc, 1, 1, false, false }, 678 { "addsuffix", &AddsuffixFunc, 2, 2, false, false }, 679 { "addprefix", &AddprefixFunc, 2, 2, false, false }, 680 { "realpath", &RealpathFunc, 1, 1, false, false }, 681 { "abspath", &AbspathFunc, 1, 1, false, false }, 682 683 { "if", &IfFunc, 3, 2, false, true }, 684 { "and", &AndFunc, 0, 0, true, false }, 685 { "or", &OrFunc, 0, 0, true, false }, 686 687 { "value", &ValueFunc, 1, 1, false, false }, 688 { "eval", &EvalFunc, 1, 1, false, false }, 689 { "shell", &ShellFunc, 1, 1, false, false }, 690 { "call", &CallFunc, 0, 0, false, false }, 691 { "foreach", &ForeachFunc, 3, 3, false, false }, 692 693 { "origin", &OriginFunc, 1, 1, false, false }, 694 { "flavor", &FlavorFunc, 1, 1, false, false }, 695 696 { "info", &InfoFunc, 1, 1, false, false }, 697 { "warning", &WarningFunc, 1, 1, false, false }, 698 { "error", &ErrorFunc, 1, 1, false, false }, 699}; 700 701unordered_map<StringPiece, FuncInfo*>* g_func_info_map; 702 703} // namespace 704 705void InitFuncTable() { 706 g_func_info_map = new unordered_map<StringPiece, FuncInfo*>; 707 for (size_t i = 0; i < sizeof(g_func_infos) / sizeof(g_func_infos[0]); i++) { 708 FuncInfo* fi = &g_func_infos[i]; 709 bool ok = g_func_info_map->emplace(fi->name, fi).second; 710 CHECK(ok); 711 } 712} 713 714void QuitFuncTable() { 715 delete g_func_info_map; 716} 717 718FuncInfo* GetFuncInfo(StringPiece name) { 719 auto found = g_func_info_map->find(name); 720 if (found == g_func_info_map->end()) 721 return NULL; 722 return found->second; 723} 724 725const vector<CommandResult*>& GetShellCommandResults() { 726 return g_command_results; 727} 728