/* Part of XPCE --- The SWI-Prolog GUI toolkit Author: Jan Wielemaker and Anjo Anjewierden E-mail: jan@swi.psy.uva.nl WWW: http://www.swi.psy.uva.nl/projects/xpce/ Copyright (c) 1985-2002, University of Amsterdam All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ :- module(pce_cpp_header, [ generate_cpp_class_header_file/0 ]). :- use_module(library(pce)). :- require([ apply/2 , between/3 , atomic_list_concat/2 , forall/2 , ignore/1 , is_list/1 , memberchk/2 , nth1/3 , once/1 ]). itf_max_arg(9). cpp_header_dir(Dir) :- get(string('%s/include/pce', @pce?home), value, Dir). generate_cpp_class_header_file :- new(X, chain), send(@classes, for_all, if(@arg2?creator == built_in, message(X, append, @arg1))), send(X, delete, class), ignore(send(X, delete, call)), % just make sure send(X, delete, object), send(X, delete, variable), send(X, delete, chain), send(X, delete, pce), send(X, delete, string), send(X, sort), send(X, for_all, message(@prolog, cpp_class, @arg1)). cpp_class(ClassName) :- cpp_header_dir(Dir), cpp_class_name(ClassName, CppName), atomic_list_concat([Dir, /, CppName, '.h'], File), new(@output, file(File)), send(@output, open, write), xpce_file_header(CppName), generate_class_def(ClassName), generate_as(ClassName), xpce_file_footer(CppName), send(@output, close), free(@output). xpce_file_header(ClassName) :- output('/* $Id'), % break to fool CVS output('$\n\n'), output(' Part of XPCE\n'), output(' Designed and implemented by Anjo Anjewierden and Jan Wielemaker\n'), output(' E-mail: jan@swi.psy.uva.nl\n\n'), output(' Copyright (C) 1993-1997 University of Amsterdam. All rights reserved.\n*/\n\n'), output('#ifndef _PCE_%s_H\n', ClassName?upcase), output('#define _PCE_%s_H\n\n', ClassName?upcase). xpce_file_footer(ClassName) :- output('#endif /*!_PCE_%s_H*/\n', ClassName?upcase). generate_as(ClassName) :- get(@pce, convert, ClassName, class, Class), get(Class, name, Name), once(cpp_class_name(Name, CppName)), output('inline Pce%s\nAs%s(PceArg a)\n', [CppName, CppName]), output('{ return *((Pce%s*) &a);\n}\n\n', CppName). generate_class_def(ClassName) :- get(@pce, convert, ClassName, class, Class), get(Class, send_method, initialise, InitMethod), get(Class, name, Name), once(cpp_class_name(Name, CppName)), output('PceExternalClass(Class%s);\n', CppName), output('class Pce%s :public PceObject\n{\npublic:\n', CppName), get(InitMethod, types, Types), argument_range(Types, Low, High), forall(between(Low, High, Arity), constructor(InitMethod, CppName, Arity)), output('};\n\n'). constructor(InitMethod, CppName, N) :- arg_names(InitMethod, 1, N, [], ArgNames), output(' Pce%s(', CppName), forall(between(1, N, Arg), constructor_iarg(ArgNames, Arg)), output(') :\n PceObject(Class%s', CppName), forall(between(1, N, Arg), constructor_oarg(ArgNames, Arg)), output(')\n {\n }\n'). arg_names(_, I, N, _, []) :- I =:= N + 1, !. arg_names(InitMethod, I, N, D, [TheName|R]) :- get(InitMethod, argument_type, I, Type), get(Type, argument_name, Name), cpp_arg_name(Name, ArgName), unique_name(ArgName, D, TheName), NI is I + 1, arg_names(InitMethod, NI, N, [TheName|D], R). cpp_arg_name(@nil, a). % unnamed xpce argument cpp_arg_name(return, ret). % avoid C-keywords cpp_arg_name(class, cl). cpp_arg_name(int, i). cpp_arg_name(char, chr). cpp_arg_name(then, thn). cpp_arg_name(else, els). cpp_arg_name(default, def). cpp_arg_name(X, X). % ok-to-use name unique_name(Name, D, Name) :- \+ memberchk(Name, D), !. unique_name(Name, D, Unique) :- between(2, 100, N), atom_concat(Name, N, Unique), \+ memberchk(Unique, D). constructor_iarg(ArgNames, Arg) :- ( Arg \== 1 -> output(', ') ; true ), nth1(Arg, ArgNames, Name), output('PceArg %s', Name). constructor_oarg(ArgNames, Arg) :- nth1(Arg, ArgNames, Name), output(', %s', Name). argument_range(Types, Low, High) :- get(Types, size, Size), ( Size == 0 -> Low = 0, High = 0 ; get(Types, element, Size, Last), ( get(Last, vector, @on) -> VLow is Size - 1, itf_max_arg(High) ; VLow is Size, High = Size ), ( between(1, VLow, DLow), get(Types, element, DLow, Type), get(Type, check, @default, _) -> Low is DLow - 1 ; Low is VLow ) ). /******************************* * OUTPUT * *******************************/ output(Fmt) :- output(Fmt, []). output(Fmt, Atom) :- \+ is_list(Atom), !, output(Fmt, [Atom]). output(Fmt, Args) :- apply(send(@output, format, Fmt), Args). cpp_class_name(*, 'Times'). cpp_class_name(-, 'Minus'). cpp_class_name(+, 'Plus'). cpp_class_name(/, 'Divide'). cpp_class_name(:=, 'Binding'). cpp_class_name(<, 'Less'). cpp_class_name(=, 'Equation'). cpp_class_name(=<, 'LessEqual'). cpp_class_name(==, 'Equal'). cpp_class_name(>, 'Greater'). cpp_class_name(>=, 'GreaterEqual'). cpp_class_name(?, 'Obtain'). cpp_class_name(\==, 'NonEqual'). cpp_class_name(@=, 'NameObject'). cpp_class_name(Name, CppName) :- get(Name, capitalise, CppName).