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livetrax/libs/glibmm2/tools/m4/ctor.m4
Paul Davis e916ac2821 upgrade to glibmm 2.16
git-svn-id: svn://localhost/ardour2/branches/3.0@5303 d708f5d6-7413-0410-9779-e7cbd77b26cf
2009-07-02 13:12:38 +00:00

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dnl $Id: ctor.m4 479 2007-12-28 11:51:47Z murrayc $
dnl
dnl M4 macros for constructor generation.
dnl
dnl Code to sink a GInitiallyUnowned:
dnl
m4_define(`_INITIALLY_UNOWNED_SINK',`dnl
ifdef(`__BOOL_DERIVES_INITIALLY_UNOWNED__',`dnl
if(gobject_ && g_object_is_floating (gobject_))
g_object_ref_sink(gobject_); //Stops it from being floating.
',`')')
dnl Declares and implements the default constructor
dnl
m4_define(`_CTOR_DEFAULT',`dnl
__CPPNAME__`'();
_PUSH(SECTION_CC)
__CPPNAME__::__CPPNAME__`'()
:
// Mark this class as non-derived to allow C++ vfuncs to be skipped.
Glib::ObjectBase(0),
__CPPPARENT__`'(Glib::ConstructParams(__BASE__`'_class_.init()))
{
_IMPORT(SECTION_CC_INITIALIZE_CLASS_EXTRA)
_INITIALLY_UNOWNED_SINK
}
_POP()')
dnl Constructors with property initializations.
dnl
dnl _CTOR_IMPL(cppname, cname, cppargs, c_varargs)
dnl $1 $2 $3 $4
dnl
m4_define(`_CTOR_IMPL',`dnl
_PUSH(SECTION_CC)
__CPPNAME__::$1`'($3)
:
// Mark this class as non-derived to allow C++ vfuncs to be skipped.
Glib::ObjectBase(0),
__CPPPARENT__`'(Glib::ConstructParams(__BASE__`'_class_.init()m4_ifelse(`$4',,,`, $4, static_cast<char*>(0)')))
{
_IMPORT(SECTION_CC_INITIALIZE_CLASS_EXTRA)
_INITIALLY_UNOWNED_SINK
}
_POP()')
m4_define(`_CONSTRUCT',
`// Mark this class as non-derived to allow C++ vfuncs to be skipped.
Glib::ObjectBase(0),
__CPPPARENT__`'(Glib::ConstructParams(__BASE__`'_class_.init()m4_ifelse(`$1',,,`, $@, static_cast<char*>(0)')))')
dnl _CONSTRUCT() does not deal with multiple class definitions in one file.
dnl If necessary, _CONSTRUCT_SPECIFIC(BaseClass, Class) must be used instead.
dnl
m4_define(`_CONSTRUCT_SPECIFIC',
`// Mark this class as non-derived to allow C++ vfuncs to be skipped.
Glib::ObjectBase(0),
$1`'(Glib::ConstructParams(_LOWER(`$2')_class_.init()m4_ifelse(`$3',,,`, m4_shift(m4_shift($@)), static_cast<char*>(0)')))')
dnl Extra code for initialize_class.
dnl Not commonly used.
dnl
m4_define(`_INITIALIZE_CLASS_EXTRA',`dnl
_PUSH(SECTION_CC_INITIALIZE_CLASS_EXTRA)
$1
_POP()')