45 void StripShellComment(string* cmd) {  in StripShellComment()  argument
46   if (cmd->find('#') == string::npos)  in StripShellComment()
56   const char* in = cmd->c_str();  in StripShellComment()
94   cmd->swap(res);  in StripShellComment()
486 static bool HasNoIoInShellScript(const string& cmd) {  in HasNoIoInShellScript()  argument
487   if (cmd.empty())  in HasNoIoInShellScript()
489   if (HasPrefix(cmd, "echo $((") && cmd[cmd.size()-1] == ')')  in HasNoIoInShellScript()
494 static void ShellFuncImpl(const string& shell, const string& cmd,  in ShellFuncImpl()  argument
496   LOG("ShellFunc: %s", cmd.c_str());  in ShellFuncImpl()
504     if ((*fc)->Parse(cmd)) {  in ShellFuncImpl()
506       if (FindEmulator::Get()->HandleFind(cmd, **fc, &out2)) {  in ShellFuncImpl()
510       if (FindEmulator::Get()->HandleFind(cmd, **fc, s)) {  in ShellFuncImpl()
519   COLLECT_STATS_WITH_SLOW_REPORT("func shell time", cmd.c_str());  in ShellFuncImpl()
520   RunCommand(shell, cmd, RedirectStderr::NONE, s);  in ShellFuncImpl()
527             cmd.c_str(), s->c_str(), out2.c_str());  in ShellFuncImpl()
535 bool ShouldStoreCommandResult(StringPiece cmd) {  in ShouldStoreCommandResult()  argument
536   if (HasWord(cmd, "date") || HasWord(cmd, "echo"))  in ShouldStoreCommandResult()
541   for (StringPiece tok : WordScanner(cmd)) {  in ShouldStoreCommandResult()
551   string cmd = args[0]->Eval(ev);  in ShellFunc()  local
552   if (ev->avoid_io() && !HasNoIoInShellScript(cmd)) {  in ShellFunc()
556             LOCF(ev->loc()), cmd.c_str());  in ShellFunc()
558     StripShellComment(&cmd);  in ShellFunc()
560     *s += cmd;  in ShellFunc()
569   ShellFuncImpl(shell, cmd, &out, &fc);  in ShellFunc()
570   if (ShouldStoreCommandResult(cmd)) {  in ShellFunc()
572     cr->cmd = cmd;  in ShellFunc()