diff options
Diffstat (limited to 'build2/b-options.cxx')
| -rw-r--r-- | build2/b-options.cxx | 1665 |
1 files changed, 0 insertions, 1665 deletions
diff --git a/build2/b-options.cxx b/build2/b-options.cxx deleted file mode 100644 index 096aebc..0000000 --- a/build2/b-options.cxx +++ /dev/null @@ -1,1665 +0,0 @@ -// -*- C++ -*- -// -// This file was generated by CLI, a command line interface -// compiler for C++. -// - -// Begin prologue. -// -#include <build2/types-parsers.hxx> -// -// End prologue. - -#include <build2/b-options.hxx> - -#include <map> -#include <set> -#include <string> -#include <vector> -#include <ostream> -#include <sstream> -#include <cstring> -#include <fstream> - -namespace build2 -{ - namespace cl - { - // unknown_option - // - unknown_option:: - ~unknown_option () throw () - { - } - - void unknown_option:: - print (::std::ostream& os) const - { - os << "unknown option '" << option ().c_str () << "'"; - } - - const char* unknown_option:: - what () const throw () - { - return "unknown option"; - } - - // unknown_argument - // - unknown_argument:: - ~unknown_argument () throw () - { - } - - void unknown_argument:: - print (::std::ostream& os) const - { - os << "unknown argument '" << argument ().c_str () << "'"; - } - - const char* unknown_argument:: - what () const throw () - { - return "unknown argument"; - } - - // missing_value - // - missing_value:: - ~missing_value () throw () - { - } - - void missing_value:: - print (::std::ostream& os) const - { - os << "missing value for option '" << option ().c_str () << "'"; - } - - const char* missing_value:: - what () const throw () - { - return "missing option value"; - } - - // invalid_value - // - invalid_value:: - ~invalid_value () throw () - { - } - - void invalid_value:: - print (::std::ostream& os) const - { - os << "invalid value '" << value ().c_str () << "' for option '" - << option ().c_str () << "'"; - - if (!message ().empty ()) - os << ": " << message ().c_str (); - } - - const char* invalid_value:: - what () const throw () - { - return "invalid option value"; - } - - // eos_reached - // - void eos_reached:: - print (::std::ostream& os) const - { - os << what (); - } - - const char* eos_reached:: - what () const throw () - { - return "end of argument stream reached"; - } - - // file_io_failure - // - file_io_failure:: - ~file_io_failure () throw () - { - } - - void file_io_failure:: - print (::std::ostream& os) const - { - os << "unable to open file '" << file ().c_str () << "' or read failure"; - } - - const char* file_io_failure:: - what () const throw () - { - return "unable to open file or read failure"; - } - - // unmatched_quote - // - unmatched_quote:: - ~unmatched_quote () throw () - { - } - - void unmatched_quote:: - print (::std::ostream& os) const - { - os << "unmatched quote in argument '" << argument ().c_str () << "'"; - } - - const char* unmatched_quote:: - what () const throw () - { - return "unmatched quote"; - } - - // scanner - // - scanner:: - ~scanner () - { - } - - // argv_scanner - // - bool argv_scanner:: - more () - { - return i_ < argc_; - } - - const char* argv_scanner:: - peek () - { - if (i_ < argc_) - return argv_[i_]; - else - throw eos_reached (); - } - - const char* argv_scanner:: - next () - { - if (i_ < argc_) - { - const char* r (argv_[i_]); - - if (erase_) - { - for (int i (i_ + 1); i < argc_; ++i) - argv_[i - 1] = argv_[i]; - - --argc_; - argv_[argc_] = 0; - } - else - ++i_; - - return r; - } - else - throw eos_reached (); - } - - void argv_scanner:: - skip () - { - if (i_ < argc_) - ++i_; - else - throw eos_reached (); - } - - // argv_file_scanner - // - int argv_file_scanner::zero_argc_ = 0; - std::string argv_file_scanner::empty_string_; - - bool argv_file_scanner:: - more () - { - if (!args_.empty ()) - return true; - - while (base::more ()) - { - // See if the next argument is the file option. - // - const char* a (base::peek ()); - const option_info* oi = 0; - const char* ov = 0; - - if (!skip_) - { - if ((oi = find (a)) != 0) - { - base::next (); - - if (!base::more ()) - throw missing_value (a); - - ov = base::next (); - } - else if (std::strncmp (a, "-", 1) == 0) - { - if ((ov = std::strchr (a, '=')) != 0) - { - std::string o (a, 0, ov - a); - if ((oi = find (o.c_str ())) != 0) - { - base::next (); - ++ov; - } - } - } - } - - if (oi != 0) - { - if (oi->search_func != 0) - { - std::string f (oi->search_func (ov, oi->arg)); - - if (!f.empty ()) - load (f); - } - else - load (ov); - - if (!args_.empty ()) - return true; - } - else - { - if (!skip_) - skip_ = (std::strcmp (a, "--") == 0); - - return true; - } - } - - return false; - } - - const char* argv_file_scanner:: - peek () - { - if (!more ()) - throw eos_reached (); - - return args_.empty () ? base::peek () : args_.front ().value.c_str (); - } - - const std::string& argv_file_scanner:: - peek_file () - { - if (!more ()) - throw eos_reached (); - - return args_.empty () ? empty_string_ : *args_.front ().file; - } - - std::size_t argv_file_scanner:: - peek_line () - { - if (!more ()) - throw eos_reached (); - - return args_.empty () ? 0 : args_.front ().line; - } - - const char* argv_file_scanner:: - next () - { - if (!more ()) - throw eos_reached (); - - if (args_.empty ()) - return base::next (); - else - { - hold_[i_ == 0 ? ++i_ : --i_].swap (args_.front ().value); - args_.pop_front (); - return hold_[i_].c_str (); - } - } - - void argv_file_scanner:: - skip () - { - if (!more ()) - throw eos_reached (); - - if (args_.empty ()) - return base::skip (); - else - args_.pop_front (); - } - - const argv_file_scanner::option_info* argv_file_scanner:: - find (const char* a) const - { - for (std::size_t i (0); i < options_count_; ++i) - if (std::strcmp (a, options_[i].option) == 0) - return &options_[i]; - - return 0; - } - - void argv_file_scanner:: - load (const std::string& file) - { - using namespace std; - - ifstream is (file.c_str ()); - - if (!is.is_open ()) - throw file_io_failure (file); - - files_.push_back (file); - - arg a; - a.file = &*files_.rbegin (); - - for (a.line = 1; !is.eof (); ++a.line) - { - string line; - getline (is, line); - - if (is.fail () && !is.eof ()) - throw file_io_failure (file); - - string::size_type n (line.size ()); - - // Trim the line from leading and trailing whitespaces. - // - if (n != 0) - { - const char* f (line.c_str ()); - const char* l (f + n); - - const char* of (f); - while (f < l && (*f == ' ' || *f == '\t' || *f == '\r')) - ++f; - - --l; - - const char* ol (l); - while (l > f && (*l == ' ' || *l == '\t' || *l == '\r')) - --l; - - if (f != of || l != ol) - line = f <= l ? string (f, l - f + 1) : string (); - } - - // Ignore empty lines, those that start with #. - // - if (line.empty () || line[0] == '#') - continue; - - string::size_type p (string::npos); - if (line.compare (0, 1, "-") == 0) - { - p = line.find (' '); - - string::size_type q (line.find ('=')); - if (q != string::npos && q < p) - p = q; - } - - string s1; - if (p != string::npos) - { - s1.assign (line, 0, p); - - // Skip leading whitespaces in the argument. - // - if (line[p] == '=') - ++p; - else - { - n = line.size (); - for (++p; p < n; ++p) - { - char c (line[p]); - if (c != ' ' && c != '\t' && c != '\r') - break; - } - } - } - else if (!skip_) - skip_ = (line == "--"); - - string s2 (line, p != string::npos ? p : 0); - - // If the string (which is an option value or argument) is - // wrapped in quotes, remove them. - // - n = s2.size (); - char cf (s2[0]), cl (s2[n - 1]); - - if (cf == '"' || cf == '\'' || cl == '"' || cl == '\'') - { - if (n == 1 || cf != cl) - throw unmatched_quote (s2); - - s2 = string (s2, 1, n - 2); - } - - if (!s1.empty ()) - { - // See if this is another file option. - // - const option_info* oi; - if (!skip_ && (oi = find (s1.c_str ()))) - { - if (s2.empty ()) - throw missing_value (oi->option); - - if (oi->search_func != 0) - { - string f (oi->search_func (s2.c_str (), oi->arg)); - if (!f.empty ()) - load (f); - } - else - { - // If the path of the file being parsed is not simple and the - // path of the file that needs to be loaded is relative, then - // complete the latter using the former as a base. - // -#ifndef _WIN32 - string::size_type p (file.find_last_of ('/')); - bool c (p != string::npos && s2[0] != '/'); -#else - string::size_type p (file.find_last_of ("/\\")); - bool c (p != string::npos && s2[1] != ':'); -#endif - if (c) - s2.insert (0, file, 0, p + 1); - - load (s2); - } - - continue; - } - - a.value = s1; - args_.push_back (a); - } - - a.value = s2; - args_.push_back (a); - } - } - - template <typename X> - struct parser - { - static void - parse (X& x, bool& xs, scanner& s) - { - using namespace std; - - const char* o (s.next ()); - if (s.more ()) - { - string v (s.next ()); - istringstream is (v); - if (!(is >> x && is.peek () == istringstream::traits_type::eof ())) - throw invalid_value (o, v); - } - else - throw missing_value (o); - - xs = true; - } - - static void - merge (X& b, const X& a) - { - b = a; - } - }; - - template <> - struct parser<bool> - { - static void - parse (bool& x, scanner& s) - { - s.next (); - x = true; - } - - static void - merge (bool& b, const bool&) - { - b = true; - } - }; - - template <> - struct parser<std::string> - { - static void - parse (std::string& x, bool& xs, scanner& s) - { - const char* o (s.next ()); - - if (s.more ()) - x = s.next (); - else - throw missing_value (o); - - xs = true; - } - - static void - merge (std::string& b, const std::string& a) - { - b = a; - } - }; - - template <typename X> - struct parser<std::vector<X> > - { - static void - parse (std::vector<X>& c, bool& xs, scanner& s) - { - X x; - bool dummy; - parser<X>::parse (x, dummy, s); - c.push_back (x); - xs = true; - } - - static void - merge (std::vector<X>& b, const std::vector<X>& a) - { - b.insert (b.end (), a.begin (), a.end ()); - } - }; - - template <typename X, typename C> - struct parser<std::set<X, C> > - { - static void - parse (std::set<X, C>& c, bool& xs, scanner& s) - { - X x; - bool dummy; - parser<X>::parse (x, dummy, s); - c.insert (x); - xs = true; - } - - static void - merge (std::set<X, C>& b, const std::set<X, C>& a) - { - b.insert (a.begin (), a.end ()); - } - }; - - template <typename K, typename V, typename C> - struct parser<std::map<K, V, C> > - { - static void - parse (std::map<K, V, C>& m, bool& xs, scanner& s) - { - const char* o (s.next ()); - - if (s.more ()) - { - std::string ov (s.next ()); - std::string::size_type p = ov.find ('='); - - K k = K (); - V v = V (); - std::string kstr (ov, 0, p); - std::string vstr (ov, (p != std::string::npos ? p + 1 : ov.size ())); - - int ac (2); - char* av[] = - { - const_cast<char*> (o), - 0 - }; - - bool dummy; - if (!kstr.empty ()) - { - av[1] = const_cast<char*> (kstr.c_str ()); - argv_scanner s (0, ac, av); - parser<K>::parse (k, dummy, s); - } - - if (!vstr.empty ()) - { - av[1] = const_cast<char*> (vstr.c_str ()); - argv_scanner s (0, ac, av); - parser<V>::parse (v, dummy, s); - } - - m[k] = v; - } - else - throw missing_value (o); - - xs = true; - } - - static void - merge (std::map<K, V, C>& b, const std::map<K, V, C>& a) - { - for (typename std::map<K, V, C>::const_iterator i (a.begin ()); - i != a.end (); - ++i) - b[i->first] = i->second; - } - }; - - template <typename X, typename T, T X::*M> - void - thunk (X& x, scanner& s) - { - parser<T>::parse (x.*M, s); - } - - template <typename X, typename T, T X::*M, bool X::*S> - void - thunk (X& x, scanner& s) - { - parser<T>::parse (x.*M, x.*S, s); - } - } -} - -#include <map> -#include <cstring> - -namespace build2 -{ - // options - // - - options:: - options () - : build2_metadata_ (), - build2_metadata_specified_ (false), - v_ (), - V_ (), - quiet_ (), - silent_ (), - verbose_ (1), - verbose_specified_ (false), - stat_ (), - dump_ (), - dump_specified_ (false), - progress_ (), - no_progress_ (), - jobs_ (), - jobs_specified_ (false), - max_jobs_ (), - max_jobs_specified_ (false), - queue_depth_ (4), - queue_depth_specified_ (false), - file_cache_ (), - file_cache_specified_ (false), - max_stack_ (), - max_stack_specified_ (false), - serial_stop_ (), - dry_run_ (), - match_only_ (), - no_external_modules_ (), - structured_result_ (), - mtime_check_ (), - no_mtime_check_ (), - no_column_ (), - no_line_ (), - buildfile_ (), - buildfile_specified_ (false), - config_guess_ (), - config_guess_specified_ (false), - config_sub_ (), - config_sub_specified_ (false), - pager_ (), - pager_specified_ (false), - pager_option_ (), - pager_option_specified_ (false), - options_file_ (), - options_file_specified_ (false), - default_options_ (), - default_options_specified_ (false), - no_default_options_ (), - help_ (), - version_ () - { - } - - bool options:: - parse (int& argc, - char** argv, - bool erase, - ::build2::cl::unknown_mode opt, - ::build2::cl::unknown_mode arg) - { - ::build2::cl::argv_scanner s (argc, argv, erase); - bool r = _parse (s, opt, arg); - return r; - } - - bool options:: - parse (int start, - int& argc, - char** argv, - bool erase, - ::build2::cl::unknown_mode opt, - ::build2::cl::unknown_mode arg) - { - ::build2::cl::argv_scanner s (start, argc, argv, erase); - bool r = _parse (s, opt, arg); - return r; - } - - bool options:: - parse (int& argc, - char** argv, - int& end, - bool erase, - ::build2::cl::unknown_mode opt, - ::build2::cl::unknown_mode arg) - { - ::build2::cl::argv_scanner s (argc, argv, erase); - bool r = _parse (s, opt, arg); - end = s.end (); - return r; - } - - bool options:: - parse (int start, - int& argc, - char** argv, - int& end, - bool erase, - ::build2::cl::unknown_mode opt, - ::build2::cl::unknown_mode arg) - { - ::build2::cl::argv_scanner s (start, argc, argv, erase); - bool r = _parse (s, opt, arg); - end = s.end (); - return r; - } - - bool options:: - parse (::build2::cl::scanner& s, - ::build2::cl::unknown_mode opt, - ::build2::cl::unknown_mode arg) - { - bool r = _parse (s, opt, arg); - return r; - } - - void options:: - merge (const options& a) - { - CLI_POTENTIALLY_UNUSED (a); - - if (a.build2_metadata_specified_) - { - ::build2::cl::parser< uint64_t>::merge ( - this->build2_metadata_, a.build2_metadata_); - this->build2_metadata_specified_ = true; - } - - if (a.v_) - { - ::build2::cl::parser< bool>::merge ( - this->v_, a.v_); - } - - if (a.V_) - { - ::build2::cl::parser< bool>::merge ( - this->V_, a.V_); - } - - if (a.quiet_) - { - ::build2::cl::parser< bool>::merge ( - this->quiet_, a.quiet_); - } - - if (a.silent_) - { - ::build2::cl::parser< bool>::merge ( - this->silent_, a.silent_); - } - - if (a.verbose_specified_) - { - ::build2::cl::parser< uint16_t>::merge ( - this->verbose_, a.verbose_); - this->verbose_specified_ = true; - } - - if (a.stat_) - { - ::build2::cl::parser< bool>::merge ( - this->stat_, a.stat_); - } - - if (a.dump_specified_) - { - ::build2::cl::parser< std::set<string>>::merge ( - this->dump_, a.dump_); - this->dump_specified_ = true; - } - - if (a.progress_) - { - ::build2::cl::parser< bool>::merge ( - this->progress_, a.progress_); - } - - if (a.no_progress_) - { - ::build2::cl::parser< bool>::merge ( - this->no_progress_, a.no_progress_); - } - - if (a.jobs_specified_) - { - ::build2::cl::parser< size_t>::merge ( - this->jobs_, a.jobs_); - this->jobs_specified_ = true; - } - - if (a.max_jobs_specified_) - { - ::build2::cl::parser< size_t>::merge ( - this->max_jobs_, a.max_jobs_); - this->max_jobs_specified_ = true; - } - - if (a.queue_depth_specified_) - { - ::build2::cl::parser< size_t>::merge ( - this->queue_depth_, a.queue_depth_); - this->queue_depth_specified_ = true; - } - - if (a.file_cache_specified_) - { - ::build2::cl::parser< string>::merge ( - this->file_cache_, a.file_cache_); - this->file_cache_specified_ = true; - } - - if (a.max_stack_specified_) - { - ::build2::cl::parser< size_t>::merge ( - this->max_stack_, a.max_stack_); - this->max_stack_specified_ = true; - } - - if (a.serial_stop_) - { - ::build2::cl::parser< bool>::merge ( - this->serial_stop_, a.serial_stop_); - } - - if (a.dry_run_) - { - ::build2::cl::parser< bool>::merge ( - this->dry_run_, a.dry_run_); - } - - if (a.match_only_) - { - ::build2::cl::parser< bool>::merge ( - this->match_only_, a.match_only_); - } - - if (a.no_external_modules_) - { - ::build2::cl::parser< bool>::merge ( - this->no_external_modules_, a.no_external_modules_); - } - - if (a.structured_result_) - { - ::build2::cl::parser< bool>::merge ( - this->structured_result_, a.structured_result_); - } - - if (a.mtime_check_) - { - ::build2::cl::parser< bool>::merge ( - this->mtime_check_, a.mtime_check_); - } - - if (a.no_mtime_check_) - { - ::build2::cl::parser< bool>::merge ( - this->no_mtime_check_, a.no_mtime_check_); - } - - if (a.no_column_) - { - ::build2::cl::parser< bool>::merge ( - this->no_column_, a.no_column_); - } - - if (a.no_line_) - { - ::build2::cl::parser< bool>::merge ( - this->no_line_, a.no_line_); - } - - if (a.buildfile_specified_) - { - ::build2::cl::parser< path>::merge ( - this->buildfile_, a.buildfile_); - this->buildfile_specified_ = true; - } - - if (a.config_guess_specified_) - { - ::build2::cl::parser< path>::merge ( - this->config_guess_, a.config_guess_); - this->config_guess_specified_ = true; - } - - if (a.config_sub_specified_) - { - ::build2::cl::parser< path>::merge ( - this->config_sub_, a.config_sub_); - this->config_sub_specified_ = true; - } - - if (a.pager_specified_) - { - ::build2::cl::parser< string>::merge ( - this->pager_, a.pager_); - this->pager_specified_ = true; - } - - if (a.pager_option_specified_) - { - ::build2::cl::parser< strings>::merge ( - this->pager_option_, a.pager_option_); - this->pager_option_specified_ = true; - } - - if (a.options_file_specified_) - { - ::build2::cl::parser< string>::merge ( - this->options_file_, a.options_file_); - this->options_file_specified_ = true; - } - - if (a.default_options_specified_) - { - ::build2::cl::parser< dir_path>::merge ( - this->default_options_, a.default_options_); - this->default_options_specified_ = true; - } - - if (a.no_default_options_) - { - ::build2::cl::parser< bool>::merge ( - this->no_default_options_, a.no_default_options_); - } - - if (a.help_) - { - ::build2::cl::parser< bool>::merge ( - this->help_, a.help_); - } - - if (a.version_) - { - ::build2::cl::parser< bool>::merge ( - this->version_, a.version_); - } - } - - ::build2::cl::usage_para options:: - print_usage (::std::ostream& os, ::build2::cl::usage_para p) - { - CLI_POTENTIALLY_UNUSED (os); - - if (p != ::build2::cl::usage_para::none) - os << ::std::endl; - - os << "\033[1mOPTIONS\033[0m" << ::std::endl; - - os << std::endl - << "\033[1m-v\033[0m Print actual commands being executed. This options is" << ::std::endl - << " equivalent to \033[1m--verbose 2\033[0m." << ::std::endl; - - os << std::endl - << "\033[1m-V\033[0m Print all underlying commands being executed. This" << ::std::endl - << " options is equivalent to \033[1m--verbose 3\033[0m." << ::std::endl; - - os << std::endl - << "\033[1m--quiet\033[0m|\033[1m-q\033[0m Run quietly, only printing error messages in most" << ::std::endl - << " contexts. In certain contexts (for example, while" << ::std::endl - << " updating build system modules) this verbosity level may" << ::std::endl - << " be ignored. Use \033[1m--silent\033[0m to run quietly in all contexts." << ::std::endl - << " This option is equivalent to \033[1m--verbose 0\033[0m." << ::std::endl; - - os << std::endl - << "\033[1m--silent\033[0m Run quietly, only printing error messages in all" << ::std::endl - << " contexts." << ::std::endl; - - os << std::endl - << "\033[1m--verbose\033[0m \033[4mlevel\033[0m Set the diagnostics verbosity to \033[4mlevel\033[0m between 0 and 6." << ::std::endl - << " Level 0 disables any non-error messages (but see the" << ::std::endl - << " difference between \033[1m--quiet\033[0m and \033[1m--silent\033[0m) while level 6" << ::std::endl - << " produces lots of information, with level 1 being the" << ::std::endl - << " default. The following additional types of diagnostics" << ::std::endl - << " are produced at each level:" << ::std::endl - << ::std::endl - << " 1. High-level information messages." << ::std::endl - << " 2. Essential underlying commands being executed." << ::std::endl - << " 3. All underlying commands being executed." << ::std::endl - << " 4. Information that could be helpful to the user." << ::std::endl - << " 5. Information that could be helpful to the developer." << ::std::endl - << " 6. Even more detailed information." << ::std::endl; - - os << std::endl - << "\033[1m--stat\033[0m Display build statistics." << ::std::endl; - - os << std::endl - << "\033[1m--dump\033[0m \033[4mphase\033[0m Dump the build system state after the specified phase." << ::std::endl - << " Valid \033[4mphase\033[0m values are \033[1mload\033[0m (after loading \033[1mbuildfiles\033[0m)" << ::std::endl - << " and \033[1mmatch\033[0m (after matching rules to targets). Repeat this" << ::std::endl - << " option to dump the state after multiple phases." << ::std::endl; - - os << std::endl - << "\033[1m--progress\033[0m Display build progress. If printing to a terminal the" << ::std::endl - << " progress is displayed by default for low verbosity" << ::std::endl - << " levels. Use \033[1m--no-progress\033[0m to suppress." << ::std::endl; - - os << std::endl - << "\033[1m--no-progress\033[0m Don't display build progress." << ::std::endl; - - os << std::endl - << "\033[1m--jobs\033[0m|\033[1m-j\033[0m \033[4mnum\033[0m Number of active jobs to perform in parallel. This" << ::std::endl - << " includes both the number of active threads inside the" << ::std::endl - << " build system as well as the number of external commands" << ::std::endl - << " (compilers, linkers, etc) started but not yet finished." << ::std::endl - << " If this option is not specified or specified with the \033[1m0\033[0m" << ::std::endl - << " value, then the number of available hardware threads is" << ::std::endl - << " used." << ::std::endl; - - os << std::endl - << "\033[1m--max-jobs\033[0m|\033[1m-J\033[0m \033[4mnum\033[0m Maximum number of jobs (threads) to create. The default" << ::std::endl - << " is 8x the number of active jobs (\033[1m--jobs|j\033[0m) on 32-bit" << ::std::endl - << " architectures and 32x on 64-bit. See the build system" << ::std::endl - << " scheduler implementation for details." << ::std::endl; - - os << std::endl - << "\033[1m--queue-depth\033[0m|\033[1m-Q\033[0m \033[4mnum\033[0m The queue depth as a multiplier over the number of active" << ::std::endl - << " jobs. Normally we want a deeper queue if the jobs take" << ::std::endl - << " long (for example, compilation) and shorter if they are" << ::std::endl - << " quick (for example, simple tests). The default is 4. See" << ::std::endl - << " the build system scheduler implementation for details." << ::std::endl; - - os << std::endl - << "\033[1m--file-cache\033[0m \033[4mimpl\033[0m File cache implementation to use for intermediate build" << ::std::endl - << " results. Valid values are \033[1mnoop\033[0m (no caching or" << ::std::endl - << " compression) and \033[1msync-lz4\033[0m (no caching with synchronous" << ::std::endl - << " LZ4 on-disk compression). If this option is not" << ::std::endl - << " specified, then a suitable default implementation is used" << ::std::endl - << " (currently \033[1msync-lz4\033[0m)." << ::std::endl; - - os << std::endl - << "\033[1m--max-stack\033[0m \033[4mnum\033[0m The maximum stack size in KBytes to allow for newly" << ::std::endl - << " created threads. For \033[4mpthreads\033[0m-based systems the driver" << ::std::endl - << " queries the stack size of the main thread and uses the" << ::std::endl - << " same size for creating additional threads. This allows" << ::std::endl - << " adjusting the stack size using familiar mechanisms, such" << ::std::endl - << " as \033[1mulimit\033[0m. Sometimes, however, the stack size of the main" << ::std::endl - << " thread is excessively large. As a result, the driver" << ::std::endl - << " checks if it is greater than a predefined limit (64MB on" << ::std::endl - << " 64-bit systems and 32MB on 32-bit ones) and caps it to a" << ::std::endl - << " more sensible value (8MB) if that's the case. This option" << ::std::endl - << " allows you to override this check with the special zero" << ::std::endl - << " value indicating that the main thread stack size should" << ::std::endl - << " be used as is." << ::std::endl; - - os << std::endl - << "\033[1m--serial-stop\033[0m|\033[1m-s\033[0m Run serially and stop at the first error. This mode is" << ::std::endl - << " useful to investigate build failures that are caused by" << ::std::endl - << " build system errors rather than compilation errors. Note" << ::std::endl - << " that if you don't want to keep going but still want" << ::std::endl - << " parallel execution, add \033[1m--jobs|-j\033[0m (for example \033[1m-j 0\033[0m for" << ::std::endl - << " default concurrency)." << ::std::endl; - - os << std::endl - << "\033[1m--dry-run\033[0m|\033[1m-n\033[0m Print commands without actually executing them. Note that" << ::std::endl - << " commands that are required to create an accurate build" << ::std::endl - << " state will still be executed and the extracted auxiliary" << ::std::endl - << " dependency information saved. In other words, this is not" << ::std::endl - << " the \033[4m\"don't touch the filesystem\"\033[0m mode but rather \033[4m\"do" << ::std::endl - << " minimum amount of work to show what needs to be done\"\033[0m." << ::std::endl - << " Note also that only the \033[1mperform\033[0m meta-operation supports" << ::std::endl - << " this mode." << ::std::endl; - - os << std::endl - << "\033[1m--match-only\033[0m Match the rules but do not execute the operation. This" << ::std::endl - << " mode is primarily useful for profiling." << ::std::endl; - - os << std::endl - << "\033[1m--no-external-modules\033[0m Don't load external modules during project bootstrap." << ::std::endl - << " Note that this option can only be used with" << ::std::endl - << " meta-operations that do not load the project's" << ::std::endl - << " \033[1mbuildfiles\033[0m, such as \033[1minfo\033[0m." << ::std::endl; - - os << std::endl - << "\033[1m--structured-result\033[0m Write the result of execution in a structured form. In" << ::std::endl - << " this mode, instead of printing to \033[1mSTDERR\033[0m diagnostics" << ::std::endl - << " messages about the outcome of executing actions on" << ::std::endl - << " targets, the driver writes to \033[1mSTDOUT\033[0m a structured result" << ::std::endl - << " description one line per the buildspec action/target" << ::std::endl - << " pair. Each line has the following format:" << ::std::endl - << ::std::endl - << " \033[4mstate\033[0m \033[4mmeta-operation\033[0m \033[4moperation\033[0m \033[4mtarget\033[0m\033[0m" << ::std::endl - << ::std::endl - << " Where \033[4mstate\033[0m can be one of \033[1munchanged\033[0m, \033[1mchanged\033[0m, or \033[1mfailed\033[0m." << ::std::endl - << " If the action is a pre or post operation, then the outer" << ::std::endl - << " operation is specified in parenthesis. For example:" << ::std::endl - << ::std::endl - << " unchanged perform update(test) /tmp/dir{hello/}" << ::std::endl - << " changed perform test /tmp/dir{hello/}" << ::std::endl - << ::std::endl - << " Note that only the \033[1mperform\033[0m meta-operation supports the" << ::std::endl - << " structured result output." << ::std::endl; - - os << std::endl - << "\033[1m--mtime-check\033[0m Perform file modification time sanity checks. These" << ::std::endl - << " checks can be helpful in diagnosing spurious rebuilds and" << ::std::endl - << " are enabled by default for the staged version of the" << ::std::endl - << " build system. Use \033[1m--no-mtime-check\033[0m to disable." << ::std::endl; - - os << std::endl - << "\033[1m--no-mtime-check\033[0m Don't perform file modification time sanity checks." << ::std::endl; - - os << std::endl - << "\033[1m--no-column\033[0m Don't print column numbers in diagnostics." << ::std::endl; - - os << std::endl - << "\033[1m--no-line\033[0m Don't print line and column numbers in diagnostics." << ::std::endl; - - os << std::endl - << "\033[1m--buildfile\033[0m \033[4mpath\033[0m The alternative file to read build information from. The" << ::std::endl - << " default is \033[1mbuildfile\033[0m or \033[1mbuild2file\033[0m, depending on the" << ::std::endl - << " project's build file/directory naming scheme. If \033[4mpath\033[0m is" << ::std::endl - << " '\033[1m-\033[0m', then read from \033[1mSTDIN\033[0m. Note that this option only" << ::std::endl - << " affects the files read as part of the buildspec" << ::std::endl - << " processing. Specifically, it has no effect on the \033[1msource\033[0m" << ::std::endl - << " and \033[1minclude\033[0m directives. As a result, this option is" << ::std::endl - << " primarily intended for testing rather than changing the" << ::std::endl - << " build file names in real projects." << ::std::endl; - - os << std::endl - << "\033[1m--config-guess\033[0m \033[4mpath\033[0m The path to the \033[1mconfig.guess(1)\033[0m script that should be" << ::std::endl - << " used to guess the host machine triplet. If this option is" << ::std::endl - << " not specified, then \033[1mb\033[0m will fall back on to using the" << ::std::endl - << " target it was built for as host." << ::std::endl; - - os << std::endl - << "\033[1m--config-sub\033[0m \033[4mpath\033[0m The path to the \033[1mconfig.sub(1)\033[0m script that should be used" << ::std::endl - << " to canonicalize machine triplets. If this option is not" << ::std::endl - << " specified, then \033[1mb\033[0m will use its built-in canonicalization" << ::std::endl - << " support which should be sufficient for commonly-used" << ::std::endl - << " platforms." << ::std::endl; - - os << std::endl - << "\033[1m--pager\033[0m \033[4mpath\033[0m The pager program to be used to show long text. Commonly" << ::std::endl - << " used pager programs are \033[1mless\033[0m and \033[1mmore\033[0m. You can also" << ::std::endl - << " specify additional options that should be passed to the" << ::std::endl - << " pager program with \033[1m--pager-option\033[0m. If an empty string is" << ::std::endl - << " specified as the pager program, then no pager will be" << ::std::endl - << " used. If the pager program is not explicitly specified," << ::std::endl - << " then \033[1mb\033[0m will try to use \033[1mless\033[0m. If it is not available, then" << ::std::endl - << " no pager will be used." << ::std::endl; - - os << std::endl - << "\033[1m--pager-option\033[0m \033[4mopt\033[0m Additional option to be passed to the pager program. See" << ::std::endl - << " \033[1m--pager\033[0m for more information on the pager program. Repeat" << ::std::endl - << " this option to specify multiple pager options." << ::std::endl; - - os << std::endl - << "\033[1m--options-file\033[0m \033[4mfile\033[0m Read additional options from \033[4mfile\033[0m. Each option should" << ::std::endl - << " appear on a separate line optionally followed by space or" << ::std::endl - << " equal sign (\033[1m=\033[0m) and an option value. Empty lines and lines" << ::std::endl - << " starting with \033[1m#\033[0m are ignored. Option values can be" << ::std::endl - << " enclosed in double (\033[1m\"\033[0m) or single (\033[1m'\033[0m) quotes to preserve" << ::std::endl - << " leading and trailing whitespaces as well as to specify" << ::std::endl - << " empty values. If the value itself contains trailing or" << ::std::endl - << " leading quotes, enclose it with an extra pair of quotes," << ::std::endl - << " for example \033[1m'\"x\"'\033[0m. Non-leading and non-trailing quotes" << ::std::endl - << " are interpreted as being part of the option value." << ::std::endl - << ::std::endl - << " The semantics of providing options in a file is" << ::std::endl - << " equivalent to providing the same set of options in the" << ::std::endl - << " same order on the command line at the point where the" << ::std::endl - << " \033[1m--options-file\033[0m option is specified except that the shell" << ::std::endl - << " escaping and quoting is not required. Repeat this option" << ::std::endl - << " to specify more than one options file." << ::std::endl; - - os << std::endl - << "\033[1m--default-options\033[0m \033[4mdir\033[0m The directory to load additional default options files" << ::std::endl - << " from." << ::std::endl; - - os << std::endl - << "\033[1m--no-default-options\033[0m Don't load default options files." << ::std::endl; - - os << std::endl - << "\033[1m--help\033[0m Print usage information and exit." << ::std::endl; - - os << std::endl - << "\033[1m--version\033[0m Print version and exit." << ::std::endl; - - p = ::build2::cl::usage_para::option; - - return p; - } - - typedef - std::map<std::string, void (*) (options&, ::build2::cl::scanner&)> - _cli_options_map; - - static _cli_options_map _cli_options_map_; - - struct _cli_options_map_init - { - _cli_options_map_init () - { - _cli_options_map_["--build2-metadata"] = - &::build2::cl::thunk< options, uint64_t, &options::build2_metadata_, - &options::build2_metadata_specified_ >; - _cli_options_map_["-v"] = - &::build2::cl::thunk< options, bool, &options::v_ >; - _cli_options_map_["-V"] = - &::build2::cl::thunk< options, bool, &options::V_ >; - _cli_options_map_["--quiet"] = - &::build2::cl::thunk< options, bool, &options::quiet_ >; - _cli_options_map_["-q"] = - &::build2::cl::thunk< options, bool, &options::quiet_ >; - _cli_options_map_["--silent"] = - &::build2::cl::thunk< options, bool, &options::silent_ >; - _cli_options_map_["--verbose"] = - &::build2::cl::thunk< options, uint16_t, &options::verbose_, - &options::verbose_specified_ >; - _cli_options_map_["--stat"] = - &::build2::cl::thunk< options, bool, &options::stat_ >; - _cli_options_map_["--dump"] = - &::build2::cl::thunk< options, std::set<string>, &options::dump_, - &options::dump_specified_ >; - _cli_options_map_["--progress"] = - &::build2::cl::thunk< options, bool, &options::progress_ >; - _cli_options_map_["--no-progress"] = - &::build2::cl::thunk< options, bool, &options::no_progress_ >; - _cli_options_map_["--jobs"] = - &::build2::cl::thunk< options, size_t, &options::jobs_, - &options::jobs_specified_ >; - _cli_options_map_["-j"] = - &::build2::cl::thunk< options, size_t, &options::jobs_, - &options::jobs_specified_ >; - _cli_options_map_["--max-jobs"] = - &::build2::cl::thunk< options, size_t, &options::max_jobs_, - &options::max_jobs_specified_ >; - _cli_options_map_["-J"] = - &::build2::cl::thunk< options, size_t, &options::max_jobs_, - &options::max_jobs_specified_ >; - _cli_options_map_["--queue-depth"] = - &::build2::cl::thunk< options, size_t, &options::queue_depth_, - &options::queue_depth_specified_ >; - _cli_options_map_["-Q"] = - &::build2::cl::thunk< options, size_t, &options::queue_depth_, - &options::queue_depth_specified_ >; - _cli_options_map_["--file-cache"] = - &::build2::cl::thunk< options, string, &options::file_cache_, - &options::file_cache_specified_ >; - _cli_options_map_["--max-stack"] = - &::build2::cl::thunk< options, size_t, &options::max_stack_, - &options::max_stack_specified_ >; - _cli_options_map_["--serial-stop"] = - &::build2::cl::thunk< options, bool, &options::serial_stop_ >; - _cli_options_map_["-s"] = - &::build2::cl::thunk< options, bool, &options::serial_stop_ >; - _cli_options_map_["--dry-run"] = - &::build2::cl::thunk< options, bool, &options::dry_run_ >; - _cli_options_map_["-n"] = - &::build2::cl::thunk< options, bool, &options::dry_run_ >; - _cli_options_map_["--match-only"] = - &::build2::cl::thunk< options, bool, &options::match_only_ >; - _cli_options_map_["--no-external-modules"] = - &::build2::cl::thunk< options, bool, &options::no_external_modules_ >; - _cli_options_map_["--structured-result"] = - &::build2::cl::thunk< options, bool, &options::structured_result_ >; - _cli_options_map_["--mtime-check"] = - &::build2::cl::thunk< options, bool, &options::mtime_check_ >; - _cli_options_map_["--no-mtime-check"] = - &::build2::cl::thunk< options, bool, &options::no_mtime_check_ >; - _cli_options_map_["--no-column"] = - &::build2::cl::thunk< options, bool, &options::no_column_ >; - _cli_options_map_["--no-line"] = - &::build2::cl::thunk< options, bool, &options::no_line_ >; - _cli_options_map_["--buildfile"] = - &::build2::cl::thunk< options, path, &options::buildfile_, - &options::buildfile_specified_ >; - _cli_options_map_["--config-guess"] = - &::build2::cl::thunk< options, path, &options::config_guess_, - &options::config_guess_specified_ >; - _cli_options_map_["--config-sub"] = - &::build2::cl::thunk< options, path, &options::config_sub_, - &options::config_sub_specified_ >; - _cli_options_map_["--pager"] = - &::build2::cl::thunk< options, string, &options::pager_, - &options::pager_specified_ >; - _cli_options_map_["--pager-option"] = - &::build2::cl::thunk< options, strings, &options::pager_option_, - &options::pager_option_specified_ >; - _cli_options_map_["--options-file"] = - &::build2::cl::thunk< options, string, &options::options_file_, - &options::options_file_specified_ >; - _cli_options_map_["--default-options"] = - &::build2::cl::thunk< options, dir_path, &options::default_options_, - &options::default_options_specified_ >; - _cli_options_map_["--no-default-options"] = - &::build2::cl::thunk< options, bool, &options::no_default_options_ >; - _cli_options_map_["--help"] = - &::build2::cl::thunk< options, bool, &options::help_ >; - _cli_options_map_["--version"] = - &::build2::cl::thunk< options, bool, &options::version_ >; - } - }; - - static _cli_options_map_init _cli_options_map_init_; - - bool options:: - _parse (const char* o, ::build2::cl::scanner& s) - { - _cli_options_map::const_iterator i (_cli_options_map_.find (o)); - - if (i != _cli_options_map_.end ()) - { - (*(i->second)) (*this, s); - return true; - } - - return false; - } - - bool options:: - _parse (::build2::cl::scanner& s, - ::build2::cl::unknown_mode opt_mode, - ::build2::cl::unknown_mode arg_mode) - { - // Can't skip combined flags (--no-combined-flags). - // - assert (opt_mode != ::build2::cl::unknown_mode::skip); - - bool r = false; - bool opt = true; - - while (s.more ()) - { - const char* o = s.peek (); - - if (std::strcmp (o, "--") == 0) - { - opt = false; - } - - if (opt) - { - if (_parse (o, s)) - { - r = true; - continue; - } - - if (std::strncmp (o, "-", 1) == 0 && o[1] != '\0') - { - // Handle combined option values. - // - std::string co; - if (const char* v = std::strchr (o, '=')) - { - co.assign (o, 0, v - o); - ++v; - - int ac (2); - char* av[] = - { - const_cast<char*> (co.c_str ()), - const_cast<char*> (v) - }; - - ::build2::cl::argv_scanner ns (0, ac, av); - - if (_parse (co.c_str (), ns)) - { - // Parsed the option but not its value? - // - if (ns.end () != 2) - throw ::build2::cl::invalid_value (co, v); - - s.next (); - r = true; - continue; - } - else - { - // Set the unknown option and fall through. - // - o = co.c_str (); - } - } - - // Handle combined flags. - // - char cf[3]; - { - const char* p = o + 1; - for (; *p != '\0'; ++p) - { - if (!((*p >= 'a' && *p <= 'z') || - (*p >= 'A' && *p <= 'Z') || - (*p >= '0' && *p <= '9'))) - break; - } - - if (*p == '\0') - { - for (p = o + 1; *p != '\0'; ++p) - { - std::strcpy (cf, "-"); - cf[1] = *p; - cf[2] = '\0'; - - int ac (1); - char* av[] = - { - cf - }; - - ::build2::cl::argv_scanner ns (0, ac, av); - - if (!_parse (cf, ns)) - break; - } - - if (*p == '\0') - { - // All handled. - // - s.next (); - r = true; - continue; - } - else - { - // Set the unknown option and fall through. - // - o = cf; - } - } - } - - switch (opt_mode) - { - case ::build2::cl::unknown_mode::skip: - { - s.skip (); - r = true; - continue; - } - case ::build2::cl::unknown_mode::stop: - { - break; - } - case ::build2::cl::unknown_mode::fail: - { - throw ::build2::cl::unknown_option (o); - } - } - - break; - } - } - - switch (arg_mode) - { - case ::build2::cl::unknown_mode::skip: - { - s.skip (); - r = true; - continue; - } - case ::build2::cl::unknown_mode::stop: - { - break; - } - case ::build2::cl::unknown_mode::fail: - { - throw ::build2::cl::unknown_argument (o); - } - } - - break; - } - - return r; - } -} - -namespace build2 -{ - ::build2::cl::usage_para - print_b_usage (::std::ostream& os, ::build2::cl::usage_para p) - { - CLI_POTENTIALLY_UNUSED (os); - - if (p != ::build2::cl::usage_para::none) - os << ::std::endl; - - os << "\033[1mSYNOPSIS\033[0m" << ::std::endl - << ::std::endl - << "\033[1mb --help\033[0m" << ::std::endl - << "\033[1mb --version\033[0m" << ::std::endl - << "\033[1mb\033[0m [\033[4moptions\033[0m] [\033[4mvariables\033[0m] [\033[4mbuildspec\033[0m]\033[0m" << ::std::endl - << ::std::endl - << "\033[4mbuildspec\033[0m = \033[4mmeta-operation\033[0m\033[1m(\033[0m\033[4moperation\033[0m\033[1m(\033[0m\033[4mtarget\033[0m...[\033[1m,\033[0m\033[4mparameters\033[0m]\033[1m)\033[0m...\033[1m)\033[0m...\033[0m" << ::std::endl - << ::std::endl - << "\033[1mDESCRIPTION\033[0m" << ::std::endl - << ::std::endl - << "The \033[1mbuild2\033[0m build system driver executes a set of meta-operations on operations" << ::std::endl - << "on targets according to the build specification, or \033[4mbuildspec\033[0m for short. This" << ::std::endl - << "process can be controlled by specifying driver \033[4moptions\033[0m and build system" << ::std::endl - << "\033[4mvariables\033[0m." << ::std::endl - << ::std::endl - << "Note that \033[4moptions\033[0m, \033[4mvariables\033[0m, and \033[4mbuildspec\033[0m fragments can be specified in any" << ::std::endl - << "order. To avoid treating an argument that starts with \033[1m'-'\033[0m as an option, add the" << ::std::endl - << "\033[1m'--'\033[0m separator. To avoid treating an argument that contains \033[1m'='\033[0m as a variable," << ::std::endl - << "add the second \033[1m'--'\033[0m separator." << ::std::endl; - - p = ::build2::options::print_usage (os, ::build2::cl::usage_para::text); - - if (p != ::build2::cl::usage_para::none) - os << ::std::endl; - - os << "\033[1mDEFAULT OPTIONS FILES\033[0m" << ::std::endl - << ::std::endl - << "Instead of having a separate config file format for tool configuration, the" << ::std::endl - << "\033[1mbuild2\033[0m toolchain uses \033[4mdefault options files\033[0m which contain the same options as" << ::std::endl - << "what can be specified on the command line. The default options files are like" << ::std::endl - << "options files that one can specify with \033[1m--options-file\033[0m except that they are" << ::std::endl - << "loaded by default." << ::std::endl - << ::std::endl - << "The default options files for the build system driver are called \033[1mb.options\033[0m and" << ::std::endl - << "are searched for in the \033[1m.build2/\033[0m subdirectory of the home directory and in the" << ::std::endl - << "system directory (for example, \033[1m/etc/build2/\033[0m) if configured. Note that besides" << ::std::endl - << "options these files can also contain global variable overrides." << ::std::endl - << ::std::endl - << "Once the search is complete, the files are loaded in the reverse order, that" << ::std::endl - << "is, beginning from the system directory (if any), followed by the home" << ::std::endl - << "directory, and finishing off with the options specified on the command line. In" << ::std::endl - << "other words, the files are loaded from the more generic to the more specific" << ::std::endl - << "with the command line options having the ability to override any values" << ::std::endl - << "specified in the default options files." << ::std::endl - << ::std::endl - << "If a default options file contains \033[1m--no-default-options\033[0m, then the search is" << ::std::endl - << "stopped at the directory containing this file and no outer files are loaded. If" << ::std::endl - << "this option is specified on the command line, then none of the default options" << ::std::endl - << "files are searched for or loaded." << ::std::endl - << ::std::endl - << "An additional directory containing default options files can be specified with" << ::std::endl - << "\033[1m--default-options\033[0m. Its configuration files are loaded after the home directory." << ::std::endl - << ::std::endl - << "The order in which default options files are loaded is traced at the verbosity" << ::std::endl - << "level 3 (\033[1m-V\033[0m option) or higher." << ::std::endl - << ::std::endl - << "\033[1mEXIT STATUS\033[0m" << ::std::endl - << ::std::endl - << "Non-zero exit status is returned in case of an error." << ::std::endl; - - os << std::endl - << "\033[1mENVIRONMENT\033[0m" << ::std::endl - << ::std::endl - << "The \033[1mHOME\033[0m environment variable is used to determine the user's home directory." << ::std::endl - << "If it is not set, then \033[1mgetpwuid(3)\033[0m is used instead. This value is used to" << ::std::endl - << "shorten paths printed in diagnostics by replacing the home directory with \033[1m~/\033[0m." << ::std::endl - << "It is also made available to \033[1mbuildfile\033[0m's as the \033[1mbuild.home\033[0m variable." << ::std::endl - << ::std::endl - << "The \033[1mBUILD2_VAR_OVR\033[0m environment variable is used to propagate global variable" << ::std::endl - << "overrides to nested build system driver invocations. Its value is a list of" << ::std::endl - << "global variable assignments separated with newlines." << ::std::endl - << ::std::endl - << "The \033[1mBUILD2_DEF_OPT\033[0m environment variable is used to suppress loading of default" << ::std::endl - << "options files in nested build system driver invocations. Its values are \033[1mfalse\033[0m" << ::std::endl - << "or \033[1m0\033[0m to suppress and \033[1mtrue\033[0m or \033[1m1\033[0m to load." << ::std::endl; - - p = ::build2::cl::usage_para::text; - - return p; - } -} - -// Begin epilogue. -// -// -// End epilogue. - |