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authorBoris Kolpackov <boris@codesynthesis.com>2020-04-28 08:48:53 +0200
committerBoris Kolpackov <boris@codesynthesis.com>2020-05-27 15:47:28 +0200
commitb808c255b6a9ddba085bf5646e7d20ec344f2e2d (patch)
tree32730291f7e6de8ef0a227905520dd66fb4ec0f3 /libbuild2/script/builtin-options.hxx
parent3552356a87402727e663131994fa87f48b3cd4fb (diff)
Initial support for ad hoc recipes (still work in progress)
Diffstat (limited to 'libbuild2/script/builtin-options.hxx')
-rw-r--r--libbuild2/script/builtin-options.hxx339
1 files changed, 339 insertions, 0 deletions
diff --git a/libbuild2/script/builtin-options.hxx b/libbuild2/script/builtin-options.hxx
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+++ b/libbuild2/script/builtin-options.hxx
@@ -0,0 +1,339 @@
+// -*- C++ -*-
+//
+// This file was generated by CLI, a command line interface
+// compiler for C++.
+//
+
+#ifndef LIBBUILD2_SCRIPT_BUILTIN_OPTIONS_HXX
+#define LIBBUILD2_SCRIPT_BUILTIN_OPTIONS_HXX
+
+// Begin prologue.
+//
+//
+// End prologue.
+
+#include <vector>
+#include <iosfwd>
+#include <string>
+#include <cstddef>
+#include <exception>
+
+#ifndef CLI_POTENTIALLY_UNUSED
+# if defined(_MSC_VER) || defined(__xlC__)
+# define CLI_POTENTIALLY_UNUSED(x) (void*)&x
+# else
+# define CLI_POTENTIALLY_UNUSED(x) (void)x
+# endif
+#endif
+
+namespace build2
+{
+ namespace script
+ {
+ namespace cli
+ {
+ class unknown_mode
+ {
+ public:
+ enum value
+ {
+ skip,
+ stop,
+ fail
+ };
+
+ unknown_mode (value);
+
+ operator value () const
+ {
+ return v_;
+ }
+
+ private:
+ value v_;
+ };
+
+ // Exceptions.
+ //
+
+ class exception: public std::exception
+ {
+ public:
+ virtual void
+ print (::std::ostream&) const = 0;
+ };
+
+ ::std::ostream&
+ operator<< (::std::ostream&, const exception&);
+
+ class unknown_option: public exception
+ {
+ public:
+ virtual
+ ~unknown_option () throw ();
+
+ unknown_option (const std::string& option);
+
+ const std::string&
+ option () const;
+
+ virtual void
+ print (::std::ostream&) const;
+
+ virtual const char*
+ what () const throw ();
+
+ private:
+ std::string option_;
+ };
+
+ class unknown_argument: public exception
+ {
+ public:
+ virtual
+ ~unknown_argument () throw ();
+
+ unknown_argument (const std::string& argument);
+
+ const std::string&
+ argument () const;
+
+ virtual void
+ print (::std::ostream&) const;
+
+ virtual const char*
+ what () const throw ();
+
+ private:
+ std::string argument_;
+ };
+
+ class missing_value: public exception
+ {
+ public:
+ virtual
+ ~missing_value () throw ();
+
+ missing_value (const std::string& option);
+
+ const std::string&
+ option () const;
+
+ virtual void
+ print (::std::ostream&) const;
+
+ virtual const char*
+ what () const throw ();
+
+ private:
+ std::string option_;
+ };
+
+ class invalid_value: public exception
+ {
+ public:
+ virtual
+ ~invalid_value () throw ();
+
+ invalid_value (const std::string& option,
+ const std::string& value,
+ const std::string& message = std::string ());
+
+ const std::string&
+ option () const;
+
+ const std::string&
+ value () const;
+
+ const std::string&
+ message () const;
+
+ virtual void
+ print (::std::ostream&) const;
+
+ virtual const char*
+ what () const throw ();
+
+ private:
+ std::string option_;
+ std::string value_;
+ std::string message_;
+ };
+
+ class eos_reached: public exception
+ {
+ public:
+ virtual void
+ print (::std::ostream&) const;
+
+ virtual const char*
+ what () const throw ();
+ };
+
+ // Command line argument scanner interface.
+ //
+ // The values returned by next() are guaranteed to be valid
+ // for the two previous arguments up until a call to a third
+ // peek() or next().
+ //
+ class scanner
+ {
+ public:
+ virtual
+ ~scanner ();
+
+ virtual bool
+ more () = 0;
+
+ virtual const char*
+ peek () = 0;
+
+ virtual const char*
+ next () = 0;
+
+ virtual void
+ skip () = 0;
+ };
+
+ class argv_scanner: public scanner
+ {
+ public:
+ argv_scanner (int& argc, char** argv, bool erase = false);
+ argv_scanner (int start, int& argc, char** argv, bool erase = false);
+
+ int
+ end () const;
+
+ virtual bool
+ more ();
+
+ virtual const char*
+ peek ();
+
+ virtual const char*
+ next ();
+
+ virtual void
+ skip ();
+
+ private:
+ int i_;
+ int& argc_;
+ char** argv_;
+ bool erase_;
+ };
+
+ class vector_scanner: public scanner
+ {
+ public:
+ vector_scanner (const std::vector<std::string>&, std::size_t start = 0);
+
+ std::size_t
+ end () const;
+
+ void
+ reset (std::size_t start = 0);
+
+ virtual bool
+ more ();
+
+ virtual const char*
+ peek ();
+
+ virtual const char*
+ next ();
+
+ virtual void
+ skip ();
+
+ private:
+ const std::vector<std::string>& v_;
+ std::size_t i_;
+ };
+
+ template <typename X>
+ struct parser;
+ }
+ }
+}
+
+namespace build2
+{
+ namespace script
+ {
+ class set_options
+ {
+ public:
+ set_options ();
+
+ set_options (int& argc,
+ char** argv,
+ bool erase = false,
+ ::build2::script::cli::unknown_mode option = ::build2::script::cli::unknown_mode::fail,
+ ::build2::script::cli::unknown_mode argument = ::build2::script::cli::unknown_mode::stop);
+
+ set_options (int start,
+ int& argc,
+ char** argv,
+ bool erase = false,
+ ::build2::script::cli::unknown_mode option = ::build2::script::cli::unknown_mode::fail,
+ ::build2::script::cli::unknown_mode argument = ::build2::script::cli::unknown_mode::stop);
+
+ set_options (int& argc,
+ char** argv,
+ int& end,
+ bool erase = false,
+ ::build2::script::cli::unknown_mode option = ::build2::script::cli::unknown_mode::fail,
+ ::build2::script::cli::unknown_mode argument = ::build2::script::cli::unknown_mode::stop);
+
+ set_options (int start,
+ int& argc,
+ char** argv,
+ int& end,
+ bool erase = false,
+ ::build2::script::cli::unknown_mode option = ::build2::script::cli::unknown_mode::fail,
+ ::build2::script::cli::unknown_mode argument = ::build2::script::cli::unknown_mode::stop);
+
+ set_options (::build2::script::cli::scanner&,
+ ::build2::script::cli::unknown_mode option = ::build2::script::cli::unknown_mode::fail,
+ ::build2::script::cli::unknown_mode argument = ::build2::script::cli::unknown_mode::stop);
+
+ // Option accessors.
+ //
+ const bool&
+ exact () const;
+
+ const bool&
+ newline () const;
+
+ const bool&
+ whitespace () const;
+
+ // Implementation details.
+ //
+ protected:
+ bool
+ _parse (const char*, ::build2::script::cli::scanner&);
+
+ private:
+ bool
+ _parse (::build2::script::cli::scanner&,
+ ::build2::script::cli::unknown_mode option,
+ ::build2::script::cli::unknown_mode argument);
+
+ public:
+ bool exact_;
+ bool newline_;
+ bool whitespace_;
+ };
+ }
+}
+
+#include <libbuild2/script/builtin-options.ixx>
+
+// Begin epilogue.
+//
+//
+// End epilogue.
+
+#endif // LIBBUILD2_SCRIPT_BUILTIN_OPTIONS_HXX