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-rw-r--r--libbuild2/build/script/builtin-options.cxx517
1 files changed, 156 insertions, 361 deletions
diff --git a/libbuild2/build/script/builtin-options.cxx b/libbuild2/build/script/builtin-options.cxx
index 04cd1c2..6fae0b4 100644
--- a/libbuild2/build/script/builtin-options.cxx
+++ b/libbuild2/build/script/builtin-options.cxx
@@ -6,7 +6,7 @@
// Begin prologue.
//
-#include <libbuild2/build/script/types-parsers.hxx>
+#include <libbuild2/types-parsers.hxx>
//
// End prologue.
@@ -24,365 +24,160 @@ namespace build2
{
namespace build
{
- namespace script
+ namespace cli
{
- namespace cli
+ template <typename X>
+ struct parser
{
- // 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
+ static void
+ parse (X& x, bool& xs, scanner& s)
{
- os << "invalid value '" << value ().c_str () << "' for option '"
- << option ().c_str () << "'";
+ using namespace std;
- 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";
- }
-
- // 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* o (s.next ());
+ if (s.more ())
{
- 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_;
-
- ++start_position_;
- return r;
+ string v (s.next ());
+ istringstream is (v);
+ if (!(is >> x && is.peek () == istringstream::traits_type::eof ()))
+ throw invalid_value (o, v);
}
else
- throw eos_reached ();
- }
+ throw missing_value (o);
- void argv_scanner::
- skip ()
- {
- if (i_ < argc_)
- {
- ++i_;
- ++start_position_;
- }
- else
- throw eos_reached ();
+ xs = true;
}
+ };
- std::size_t argv_scanner::
- position ()
+ template <>
+ struct parser<bool>
+ {
+ static void
+ parse (bool& x, scanner& s)
{
- return start_position_;
+ s.next ();
+ x = true;
}
+ };
- // vector_scanner
- //
- bool vector_scanner::
- more ()
+ template <>
+ struct parser<std::string>
+ {
+ static void
+ parse (std::string& x, bool& xs, scanner& s)
{
- return i_ < v_.size ();
- }
+ const char* o (s.next ());
- const char* vector_scanner::
- peek ()
- {
- if (i_ < v_.size ())
- return v_[i_].c_str ();
+ if (s.more ())
+ x = s.next ();
else
- throw eos_reached ();
- }
+ throw missing_value (o);
- const char* vector_scanner::
- next ()
- {
- if (i_ < v_.size ())
- return v_[i_++].c_str ();
- else
- throw eos_reached ();
+ xs = true;
}
+ };
- void vector_scanner::
- skip ()
+ template <typename X>
+ struct parser<std::pair<X, std::size_t> >
+ {
+ static void
+ parse (std::pair<X, std::size_t>& x, bool& xs, scanner& s)
{
- if (i_ < v_.size ())
- ++i_;
- else
- throw eos_reached ();
+ x.second = s.position ();
+ parser<X>::parse (x.first, xs, s);
}
+ };
- std::size_t vector_scanner::
- position ()
- {
- return start_position_ + i_;
+ 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;
}
+ };
- 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;
- }
- };
+ 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;
+ }
+ };
- template <>
- struct parser<bool>
+ 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)
{
- static void
- parse (bool& x, scanner& s)
- {
- s.next ();
- x = true;
- }
- };
+ const char* o (s.next ());
- template <>
- struct parser<std::string>
- {
- static void
- parse (std::string& x, bool& xs, scanner& s)
+ if (s.more ())
{
- const char* o (s.next ());
+ std::size_t pos (s.position ());
+ std::string ov (s.next ());
+ std::string::size_type p = ov.find ('=');
- if (s.more ())
- x = s.next ();
- else
- throw missing_value (o);
+ K k = K ();
+ V v = V ();
+ std::string kstr (ov, 0, p);
+ std::string vstr (ov, (p != std::string::npos ? p + 1 : ov.size ()));
- xs = true;
- }
- };
-
- template <typename X>
- struct parser<std::pair<X, std::size_t> >
- {
- static void
- parse (std::pair<X, std::size_t>& x, bool& xs, scanner& s)
- {
- x.second = s.position ();
- parser<X>::parse (x.first, xs, s);
- }
- };
-
- 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;
- }
- };
+ int ac (2);
+ char* av[] =
+ {
+ const_cast<char*> (o),
+ 0
+ };
- 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;
- }
- };
-
- 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 ())
+ if (!kstr.empty ())
{
- std::size_t pos (s.position ());
- 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, false, pos);
- parser<K>::parse (k, dummy, s);
- }
-
- if (!vstr.empty ())
- {
- av[1] = const_cast<char*> (vstr.c_str ());
- argv_scanner s (0, ac, av, false, pos);
- parser<V>::parse (v, dummy, s);
- }
+ av[1] = const_cast<char*> (kstr.c_str ());
+ argv_scanner s (0, ac, av, false, pos);
+ parser<K>::parse (k, dummy, s);
+ }
- m[k] = v;
+ if (!vstr.empty ())
+ {
+ av[1] = const_cast<char*> (vstr.c_str ());
+ argv_scanner s (0, ac, av, false, pos);
+ parser<V>::parse (v, dummy, s);
}
- else
- throw missing_value (o);
- xs = true;
+ m[k] = v;
}
- };
+ else
+ throw missing_value (o);
- template <typename X, typename T, T X::*M>
- void
- thunk (X& x, scanner& s)
- {
- parser<T>::parse (x.*M, s);
+ xs = true;
}
+ };
- 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);
- }
+ 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);
}
}
}
@@ -423,10 +218,10 @@ namespace build2
parse (int& argc,
char** argv,
bool erase,
- ::build2::build::script::cli::unknown_mode opt,
- ::build2::build::script::cli::unknown_mode arg)
+ ::build2::build::cli::unknown_mode opt,
+ ::build2::build::cli::unknown_mode arg)
{
- ::build2::build::script::cli::argv_scanner s (argc, argv, erase);
+ ::build2::build::cli::argv_scanner s (argc, argv, erase);
bool r = _parse (s, opt, arg);
return r;
}
@@ -436,10 +231,10 @@ namespace build2
int& argc,
char** argv,
bool erase,
- ::build2::build::script::cli::unknown_mode opt,
- ::build2::build::script::cli::unknown_mode arg)
+ ::build2::build::cli::unknown_mode opt,
+ ::build2::build::cli::unknown_mode arg)
{
- ::build2::build::script::cli::argv_scanner s (start, argc, argv, erase);
+ ::build2::build::cli::argv_scanner s (start, argc, argv, erase);
bool r = _parse (s, opt, arg);
return r;
}
@@ -449,10 +244,10 @@ namespace build2
char** argv,
int& end,
bool erase,
- ::build2::build::script::cli::unknown_mode opt,
- ::build2::build::script::cli::unknown_mode arg)
+ ::build2::build::cli::unknown_mode opt,
+ ::build2::build::cli::unknown_mode arg)
{
- ::build2::build::script::cli::argv_scanner s (argc, argv, erase);
+ ::build2::build::cli::argv_scanner s (argc, argv, erase);
bool r = _parse (s, opt, arg);
end = s.end ();
return r;
@@ -464,26 +259,26 @@ namespace build2
char** argv,
int& end,
bool erase,
- ::build2::build::script::cli::unknown_mode opt,
- ::build2::build::script::cli::unknown_mode arg)
+ ::build2::build::cli::unknown_mode opt,
+ ::build2::build::cli::unknown_mode arg)
{
- ::build2::build::script::cli::argv_scanner s (start, argc, argv, erase);
+ ::build2::build::cli::argv_scanner s (start, argc, argv, erase);
bool r = _parse (s, opt, arg);
end = s.end ();
return r;
}
bool depdb_dyndep_options::
- parse (::build2::build::script::cli::scanner& s,
- ::build2::build::script::cli::unknown_mode opt,
- ::build2::build::script::cli::unknown_mode arg)
+ parse (::build2::build::cli::scanner& s,
+ ::build2::build::cli::unknown_mode opt,
+ ::build2::build::cli::unknown_mode arg)
{
bool r = _parse (s, opt, arg);
return r;
}
typedef
- std::map<std::string, void (*) (depdb_dyndep_options&, ::build2::build::script::cli::scanner&)>
+ std::map<std::string, void (*) (depdb_dyndep_options&, ::build2::build::cli::scanner&)>
_cli_depdb_dyndep_options_map;
static _cli_depdb_dyndep_options_map _cli_depdb_dyndep_options_map_;
@@ -493,37 +288,37 @@ namespace build2
_cli_depdb_dyndep_options_map_init ()
{
_cli_depdb_dyndep_options_map_["--file"] =
- &::build2::build::script::cli::thunk< depdb_dyndep_options, path, &depdb_dyndep_options::file_,
+ &::build2::build::cli::thunk< depdb_dyndep_options, path, &depdb_dyndep_options::file_,
&depdb_dyndep_options::file_specified_ >;
_cli_depdb_dyndep_options_map_["--format"] =
- &::build2::build::script::cli::thunk< depdb_dyndep_options, string, &depdb_dyndep_options::format_,
+ &::build2::build::cli::thunk< depdb_dyndep_options, string, &depdb_dyndep_options::format_,
&depdb_dyndep_options::format_specified_ >;
_cli_depdb_dyndep_options_map_["--what"] =
- &::build2::build::script::cli::thunk< depdb_dyndep_options, string, &depdb_dyndep_options::what_,
+ &::build2::build::cli::thunk< depdb_dyndep_options, string, &depdb_dyndep_options::what_,
&depdb_dyndep_options::what_specified_ >;
_cli_depdb_dyndep_options_map_["--include-path"] =
- &::build2::build::script::cli::thunk< depdb_dyndep_options, dir_paths, &depdb_dyndep_options::include_path_,
+ &::build2::build::cli::thunk< depdb_dyndep_options, dir_paths, &depdb_dyndep_options::include_path_,
&depdb_dyndep_options::include_path_specified_ >;
_cli_depdb_dyndep_options_map_["-I"] =
- &::build2::build::script::cli::thunk< depdb_dyndep_options, dir_paths, &depdb_dyndep_options::include_path_,
+ &::build2::build::cli::thunk< depdb_dyndep_options, dir_paths, &depdb_dyndep_options::include_path_,
&depdb_dyndep_options::include_path_specified_ >;
_cli_depdb_dyndep_options_map_["--default-type"] =
- &::build2::build::script::cli::thunk< depdb_dyndep_options, string, &depdb_dyndep_options::default_type_,
+ &::build2::build::cli::thunk< depdb_dyndep_options, string, &depdb_dyndep_options::default_type_,
&depdb_dyndep_options::default_type_specified_ >;
_cli_depdb_dyndep_options_map_["--adhoc"] =
- &::build2::build::script::cli::thunk< depdb_dyndep_options, bool, &depdb_dyndep_options::adhoc_ >;
+ &::build2::build::cli::thunk< depdb_dyndep_options, bool, &depdb_dyndep_options::adhoc_ >;
_cli_depdb_dyndep_options_map_["--cwd"] =
- &::build2::build::script::cli::thunk< depdb_dyndep_options, dir_path, &depdb_dyndep_options::cwd_,
+ &::build2::build::cli::thunk< depdb_dyndep_options, dir_path, &depdb_dyndep_options::cwd_,
&depdb_dyndep_options::cwd_specified_ >;
_cli_depdb_dyndep_options_map_["--drop-cycles"] =
- &::build2::build::script::cli::thunk< depdb_dyndep_options, bool, &depdb_dyndep_options::drop_cycles_ >;
+ &::build2::build::cli::thunk< depdb_dyndep_options, bool, &depdb_dyndep_options::drop_cycles_ >;
}
};
static _cli_depdb_dyndep_options_map_init _cli_depdb_dyndep_options_map_init_;
bool depdb_dyndep_options::
- _parse (const char* o, ::build2::build::script::cli::scanner& s)
+ _parse (const char* o, ::build2::build::cli::scanner& s)
{
_cli_depdb_dyndep_options_map::const_iterator i (_cli_depdb_dyndep_options_map_.find (o));
@@ -537,13 +332,13 @@ namespace build2
}
bool depdb_dyndep_options::
- _parse (::build2::build::script::cli::scanner& s,
- ::build2::build::script::cli::unknown_mode opt_mode,
- ::build2::build::script::cli::unknown_mode arg_mode)
+ _parse (::build2::build::cli::scanner& s,
+ ::build2::build::cli::unknown_mode opt_mode,
+ ::build2::build::cli::unknown_mode arg_mode)
{
// Can't skip combined flags (--no-combined-flags).
//
- assert (opt_mode != ::build2::build::script::cli::unknown_mode::skip);
+ assert (opt_mode != ::build2::build::cli::unknown_mode::skip);
bool r = false;
bool opt = true;
@@ -585,14 +380,14 @@ namespace build2
const_cast<char*> (v)
};
- ::build2::build::script::cli::argv_scanner ns (0, ac, av);
+ ::build2::build::cli::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::build::script::cli::invalid_value (co, v);
+ throw ::build2::build::cli::invalid_value (co, v);
s.next ();
r = true;
@@ -633,7 +428,7 @@ namespace build2
cf
};
- ::build2::build::script::cli::argv_scanner ns (0, ac, av);
+ ::build2::build::cli::argv_scanner ns (0, ac, av);
if (!_parse (cf, ns))
break;
@@ -658,19 +453,19 @@ namespace build2
switch (opt_mode)
{
- case ::build2::build::script::cli::unknown_mode::skip:
+ case ::build2::build::cli::unknown_mode::skip:
{
s.skip ();
r = true;
continue;
}
- case ::build2::build::script::cli::unknown_mode::stop:
+ case ::build2::build::cli::unknown_mode::stop:
{
break;
}
- case ::build2::build::script::cli::unknown_mode::fail:
+ case ::build2::build::cli::unknown_mode::fail:
{
- throw ::build2::build::script::cli::unknown_option (o);
+ throw ::build2::build::cli::unknown_option (o);
}
}
@@ -680,19 +475,19 @@ namespace build2
switch (arg_mode)
{
- case ::build2::build::script::cli::unknown_mode::skip:
+ case ::build2::build::cli::unknown_mode::skip:
{
s.skip ();
r = true;
continue;
}
- case ::build2::build::script::cli::unknown_mode::stop:
+ case ::build2::build::cli::unknown_mode::stop:
{
break;
}
- case ::build2::build::script::cli::unknown_mode::fail:
+ case ::build2::build::cli::unknown_mode::fail:
{
- throw ::build2::build::script::cli::unknown_argument (o);
+ throw ::build2::build::cli::unknown_argument (o);
}
}