note

	description: "Calling conventions constants"
	legal: "See notice at end of class."
	status: "See notice at end of class."
	date: "$Date$"
	revision: "$Revision$"

class
	ECOM_CALL_CONV

feature -- Access
	
	Cc_fastcall: INTEGER
			-- Fastcall calling convention (arguments to 
			-- functions are to be passed in registers, when 
			-- possible) 
			-- Microsoft specific.
		external
			"C [macro <oaidl.h>]"
		alias
			"CC_FASTCALL"
		end

	Cc_cdecl: INTEGER
			-- C calling convention (caller pushes
			-- parameters on stack, in reverse order,
			-- caller cleans up stack)
		external
			"C [macro <oaidl.h>]"
		alias
			"CC_CDECL"
		end

	Cc_pascal: INTEGER
			-- Pascal calling convention (caller pushes
			-- parameters on stack, in reverse order,
			-- caller cleans up stack)
		external
			"C [macro <oaidl.h>]"
		alias
			"CC_PASCAL"
		end
	
	Cc_macpascal: INTEGER
			-- Mac Pascal calling convention 
		external
			"C [macro <oaidl.h>]"
		alias
			"CC_MACPASCAL"
		end

	Cc_stdcall: INTEGER
			-- Stdcall calling convention (callee pushes
			-- parameters on stack, in reverse order,
			-- callee cleans up stack).
		external
			"C [macro <oaidl.h>]"
		alias
			"CC_STDCALL"
		end

	Cc_fpfastcall: INTEGER
			-- Fpfastcall calling convention (
		external
			"C [macro <oaidl.h>]"
		alias
			"CC_FPFASTCALL"
		end

	Cc_syscall: INTEGER
			-- Syscall calling convention
		external
			"C [macro <oaidl.h>]"
		alias
			"CC_SYSCALL"
		end

	Cc_mpwcdecl: INTEGER
			-- Mpwcdecl calling convention 
		external
			"C [macro <oaidl.h>]"
		alias
			"CC_MPWCDECL"
		end

	Cc_mpwpascal: INTEGER
			-- Mpwpascal calling convention 
		external
			"C [macro <oaidl.h>]"
		alias
			"CC_MPWPASCAL"
		end

	Cc_max: INTEGER
			-- Max calling convention 
		external
			"C [macro <oaidl.h>]"
		alias
			"CC_MAX"
		end

feature -- Status report

	is_valid_callconv (cc: INTEGER): BOOLEAN
			-- Is `cc' a valid calling convention?
		do
			Result := cc = Cc_fastcall or 
						cc = Cc_cdecl or
						cc = Cc_pascal or
						cc = Cc_macpascal or
						cc = Cc_stdcall or
						cc = Cc_fpfastcall or
						cc = Cc_syscall or
						cc = Cc_mpwcdecl or
						cc = Cc_mpwpascal or
						cc = Cc_max
		end
		
note
	copyright:	"Copyright (c) 1984-2006, Eiffel Software"
	license:	"GPL version 2 (see http://www.eiffel.com/licensing/gpl.txt)"
	licensing_options:	"http://www.eiffel.com/licensing"
	copying: "[
			This file is part of Eiffel Software's Eiffel Development Environment.
			
			Eiffel Software's Eiffel Development Environment is free
			software; you can redistribute it and/or modify it under
			the terms of the GNU General Public License as published
			by the Free Software Foundation, version 2 of the License
			(available at the URL listed under "license" above).
			
			Eiffel Software's Eiffel Development Environment is
			distributed in the hope that it will be useful,	but
			WITHOUT ANY WARRANTY; without even the implied warranty
			of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
			See the	GNU General Public License for more details.
			
			You should have received a copy of the GNU General Public
			License along with Eiffel Software's Eiffel Development
			Environment; if not, write to the Free Software Foundation,
			Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
		]"
	source: "[
			 Eiffel Software
			 356 Storke Road, Goleta, CA 93117 USA
			 Telephone 805-685-1006, Fax 805-685-6869
			 Website http://www.eiffel.com
			 Customer support http://support.eiffel.com
		]"
end -- class ECOM_CALL_CONV