167 lines
5.2 KiB
Prolog
167 lines
5.2 KiB
Prolog
/**
|
|
* @file expand_macros.yap
|
|
* @author VITOR SANTOS COSTA <vsc@VITORs-MBP.lan>
|
|
* @date Tue Nov 17 15:16:12 2015
|
|
*
|
|
* @brief utilities that perform macro expansion for maplist/2 and
|
|
* friends.
|
|
*
|
|
*
|
|
*/
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
%%
|
|
%% preprocessing for meta-calls
|
|
%%
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
|
|
:- module( expand_macros,
|
|
[compile_aux/2,
|
|
pred_name/4,
|
|
transformation_id/1,
|
|
allowed_expansion/1,
|
|
allowed_module/2] ).
|
|
|
|
|
|
:- use_module(library(lists), [append/3]).
|
|
:- use_module(library(charsio), [format_to_chars/3, read_from_chars/2]).
|
|
:- use_module(library(error), [must_be/2]).
|
|
:- use_module(library(occurs), [sub_term/2]).
|
|
|
|
:- multifile allowed_module/2.
|
|
|
|
:- dynamic number_of_expansions/1.
|
|
|
|
number_of_expansions(0).
|
|
|
|
|
|
|
|
%%%%%%%%%%%%%%%%%%%%
|
|
% utilities
|
|
%%%%%%%%%%%%%%%%%%%%
|
|
|
|
compile_aux([Clause|Clauses], Module) :-
|
|
% compile the predicate declaration if needed
|
|
(
|
|
Clause = (Head :- _)
|
|
;
|
|
Clause = Head
|
|
),
|
|
!,
|
|
functor(Head, F, N),
|
|
( current_predicate(Module:F/N)
|
|
->
|
|
true
|
|
;
|
|
% format'*** Creating auxiliary predicate ~q~n', [F/N]),
|
|
% checklist(portray_clause, [Clause|Clauses]),
|
|
compile_term([Clause|Clauses], Module)
|
|
).
|
|
|
|
compile_term([], _).
|
|
compile_term([Clause|Clauses], Module) :-
|
|
assert_static(Module:Clause),
|
|
compile_term(Clauses, Module).
|
|
|
|
append_args(Term, Args, NewTerm) :-
|
|
Term =.. [Meta|OldArgs],
|
|
append(OldArgs, Args, GoalArgs),
|
|
NewTerm =.. [Meta|GoalArgs].
|
|
|
|
aux_preds(Module:Meta, MetaVars, Pred, PredVars, Proto, _, OModule) :- !,
|
|
aux_preds(Meta, MetaVars, Pred, PredVars, Proto, Module, OModule).
|
|
aux_preds(Meta, MetaVars, Pred, PredVars, Proto, Module, Module) :-
|
|
Meta =.. [F|Args],
|
|
aux_args(Args, MetaVars, PredArgs, PredVars, ProtoArgs),
|
|
Pred =.. [F|PredArgs],
|
|
Proto =.. [F|ProtoArgs].
|
|
|
|
aux_args([], [], [], [], []).
|
|
aux_args([Arg|Args], MVars, [Arg|PArgs], PVars, [Arg|ProtoArgs]) :-
|
|
ground(Arg), !,
|
|
aux_args(Args, MVars, PArgs, PVars, ProtoArgs).
|
|
aux_args([Arg|Args], [Arg|MVars], [PVar|PArgs], [PVar|PVars], ['_'|ProtoArgs]) :-
|
|
aux_args(Args, MVars, PArgs, PVars, ProtoArgs).
|
|
|
|
pred_name(Macro, Arity, _ , Name) :-
|
|
transformation_id(Id),
|
|
|
|
atomic_concat(['$$$__Auxiliary_predicate__ for',Macro,'/',Arity,' ',Id], Name).
|
|
|
|
transformation_id(Id) :-
|
|
retract(number_of_expansions(Id)),
|
|
Id1 is Id+1,
|
|
assert(number_of_expansions(Id1)).
|
|
|
|
|
|
harmless_dcgexception(instantiation_error). % ex: phrase(([1],x:X,[3]),L)
|
|
harmless_dcgexception(type_error(callable,_)). % ex: phrase(27,L)
|
|
|
|
|
|
allowed_expansion(QExpand) :-
|
|
strip_module(QExpand, Mod, Pred),
|
|
goal_expansion_allowed(Pred, Mod).
|
|
|
|
goal_expansion_allowed(Pred, Mod) :-
|
|
allowed_module(Pred,Mod),
|
|
once( prolog_load_context(_, _) ), % make sure we are compiling.
|
|
|
|
|
|
|
|
|
|
allowed_module(checklist(_,_),expand_macros).
|
|
allowed_module(checklist(_,_),apply_macros).
|
|
allowed_module(checklist(_,_),maplist).
|
|
allowed_module(maplist(_,_),expand_macros).
|
|
allowed_module(maplist(_,_),apply_macros).
|
|
allowed_module(maplist(_,_),maplist).
|
|
allowed_module(maplist(_,_,_),expand_macros).
|
|
allowed_module(maplist(_,_,_),apply_macros).
|
|
allowed_module(maplist(_,_,_),maplist).
|
|
allowed_module(maplist(_,_,_,_),expand_macros).
|
|
allowed_module(maplist(_,_,_,_),apply_macros).
|
|
allowed_module(maplist(_,_,_,_),maplist).
|
|
allowed_module(maplist(_,_,_,_,_),expand_macros).
|
|
allowed_module(maplist(_,_,_,_,_),apply_macros).
|
|
allowed_module(maplist(_,_,_,_,_),maplist).
|
|
allowed_module(maplist(_,_,_,_,_,_),expand_macros).
|
|
allowed_module(maplist(_,_,_,_,_,_),apply_macros).
|
|
allowed_module(maplist(_,_,_,_,_,_),maplist).
|
|
allowed_module(selectlist(_,_,_),expand_macros).
|
|
allowed_module(selectlist(_,_,_),apply_macros).
|
|
allowed_module(selectlist(_,_,_),maplist).
|
|
allowed_module(include(_,_,_),expand_macros).
|
|
allowed_module(include(_,_,_),apply_macros).
|
|
allowed_module(include(_,_,_),maplist).
|
|
allowed_module(exclude(_,_,_),expand_macros).
|
|
allowed_module(exclude(_,_,_),apply_macros).
|
|
allowed_module(exclude(_,_,_),maplist).
|
|
allowed_module(partition(_,_,_,_),expand_macros).
|
|
allowed_module(partition(_,_,_,_),apply_macros).
|
|
allowed_module(partition(_,_,_,_),maplist).
|
|
allowed_module(partition(_,_,_,_,_),expand_macros).
|
|
allowed_module(partition(_,_,_,_,_),apply_macros).
|
|
allowed_module(partition(_,_,_,_,_),maplist).
|
|
allowed_module(convlist(_,_,_),expand_macros).
|
|
allowed_module(convlist(_,_,_),apply_macros).
|
|
allowed_module(convlist(_,_,_),maplist).
|
|
allowed_module(sumlist(_,_,_,_),expand_macros).
|
|
allowed_module(sumlist(_,_,_,_),apply_macros).
|
|
allowed_module(sumlist(_,_,_,_),maplist).
|
|
allowed_module(mapargs(_,_,_),expand_macros).
|
|
allowed_module(mapargs(_,_,_),apply_macros).
|
|
allowed_module(mapargs(_,_,_),maplist).
|
|
allowed_module(sumargs(_,_,_,_),expand_macros).
|
|
allowed_module(sumargs(_,_,_,_),apply_macros).
|
|
allowed_module(sumargs(_,_,_,_),maplist).
|
|
allowed_module(mapnodes(_,_,_),expand_macros).
|
|
allowed_module(mapnodes(_,_,_),apply_macros).
|
|
allowed_module(mapnodes(_,_,_),maplist).
|
|
allowed_module(checknodes(_,_),expand_macros).
|
|
allowed_module(checknodes(_,_),apply_macros).
|
|
allowed_module(checknodes(_,_),maplist).
|
|
allowed_module(sumnodes(_,_,_,_),expand_macros).
|
|
allowed_module(sumnodes(_,_,_,_),apply_macros).
|
|
allowed_module(sumnodes(_,_,_,_),maplist).
|