3 * Copyright 2006,2009 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
27 #include <gruel/pmt.h>
30 #include <gruel/pmt_pool.h>
35 static const int CACHE_LINE_SIZE = 64; // good guess
37 # if (PMT_LOCAL_ALLOCATOR)
39 static pmt_pool global_pmt_pool(sizeof(pmt_pair), CACHE_LINE_SIZE);
42 pmt_base::operator new(size_t size)
44 void *p = global_pmt_pool.malloc();
46 // fprintf(stderr, "pmt_base::new p = %p\n", p);
47 assert((reinterpret_cast<intptr_t>(p) & (CACHE_LINE_SIZE - 1)) == 0);
52 pmt_base::operator delete(void *p, size_t size)
54 global_pmt_pool.free(p);
59 void intrusive_ptr_add_ref(pmt_base* p) { ++(p->count_); }
60 void intrusive_ptr_release(pmt_base* p) { if (--(p->count_) == 0 ) delete p; }
64 // nop -- out of line virtual destructor
67 ////////////////////////////////////////////////////////////////////////////
69 ////////////////////////////////////////////////////////////////////////////
71 pmt_exception::pmt_exception(const std::string &msg, pmt_t obj)
72 : logic_error(msg + ": " + pmt_write_string(obj))
76 pmt_wrong_type::pmt_wrong_type(const std::string &msg, pmt_t obj)
77 : pmt_exception(msg + ": wrong_type ", obj)
81 pmt_out_of_range::pmt_out_of_range(const std::string &msg, pmt_t obj)
82 : pmt_exception(msg + ": out of range ", obj)
86 pmt_notimplemented::pmt_notimplemented(const std::string &msg, pmt_t obj)
87 : pmt_exception(msg + ": notimplemented ", obj)
91 ////////////////////////////////////////////////////////////////////////////
93 ////////////////////////////////////////////////////////////////////////////
98 return dynamic_cast<pmt_symbol*>(x.get());
104 return dynamic_cast<pmt_integer*>(x.get());
110 return dynamic_cast<pmt_real*>(x.get());
116 return dynamic_cast<pmt_complex*>(x.get());
122 return dynamic_cast<pmt_pair*>(x.get());
128 return dynamic_cast<pmt_vector*>(x.get());
131 static pmt_uniform_vector *
132 _uniform_vector(pmt_t x)
134 return dynamic_cast<pmt_uniform_vector*>(x.get());
140 return dynamic_cast<pmt_dict*>(x.get());
146 return dynamic_cast<pmt_any*>(x.get());
149 ////////////////////////////////////////////////////////////////////////////
151 ////////////////////////////////////////////////////////////////////////////
153 const pmt_t PMT_T = pmt_t(new pmt_bool()); // singleton
154 const pmt_t PMT_F = pmt_t(new pmt_bool()); // singleton
155 const pmt_t PMT_NIL = pmt_t(new pmt_null()); // singleton
156 const pmt_t PMT_EOF = pmt_cons(PMT_NIL, PMT_NIL); // singleton
158 ////////////////////////////////////////////////////////////////////////////
160 ////////////////////////////////////////////////////////////////////////////
162 pmt_bool::pmt_bool(){}
165 pmt_is_true(pmt_t obj)
171 pmt_is_false(pmt_t obj)
177 pmt_is_bool(pmt_t obj)
179 return obj->is_bool();
183 pmt_from_bool(bool val)
185 return val ? PMT_T : PMT_F;
189 pmt_to_bool(pmt_t val)
195 throw pmt_wrong_type("pmt_to_bool", val);
198 ////////////////////////////////////////////////////////////////////////////
200 ////////////////////////////////////////////////////////////////////////////
202 static const unsigned int SYMBOL_HASH_TABLE_SIZE = 701;
203 static std::vector<pmt_t> s_symbol_hash_table(SYMBOL_HASH_TABLE_SIZE);
205 pmt_symbol::pmt_symbol(const std::string &name) : d_name(name){}
209 hash_string(const std::string &s)
214 for (std::string::const_iterator p = s.begin(); p != s.end(); ++p){
215 h = (h << 4) + (*p & 0xff);
226 pmt_is_symbol(const pmt_t& obj)
228 return obj->is_symbol();
232 pmt_string_to_symbol(const std::string &name)
234 unsigned hash = hash_string(name) % SYMBOL_HASH_TABLE_SIZE;
236 // Does a symbol with this name already exist?
237 for (pmt_t sym = s_symbol_hash_table[hash]; sym; sym = _symbol(sym)->next()){
238 if (name == _symbol(sym)->name())
239 return sym; // Yes. Return it
242 // Nope. Make a new one.
243 pmt_t sym = pmt_t(new pmt_symbol(name));
244 _symbol(sym)->set_next(s_symbol_hash_table[hash]);
245 s_symbol_hash_table[hash] = sym;
251 pmt_intern(const std::string &name)
253 return pmt_string_to_symbol(name);
257 pmt_symbol_to_string(const pmt_t& sym)
259 if (!sym->is_symbol())
260 throw pmt_wrong_type("pmt_symbol_to_string", sym);
262 return _symbol(sym)->name();
267 ////////////////////////////////////////////////////////////////////////////
269 ////////////////////////////////////////////////////////////////////////////
272 pmt_is_number(pmt_t x)
274 return x->is_number();
277 ////////////////////////////////////////////////////////////////////////////
279 ////////////////////////////////////////////////////////////////////////////
281 pmt_integer::pmt_integer(long value) : d_value(value) {}
284 pmt_is_integer(pmt_t x)
286 return x->is_integer();
291 pmt_from_long(long x)
293 return pmt_t(new pmt_integer(x));
299 pmt_integer* i = dynamic_cast<pmt_integer*>(x.get());
303 throw pmt_wrong_type("pmt_to_long", x);
306 ////////////////////////////////////////////////////////////////////////////
308 ////////////////////////////////////////////////////////////////////////////
310 pmt_real::pmt_real(double value) : d_value(value) {}
319 pmt_from_double(double x)
321 return pmt_t(new pmt_real(x));
325 pmt_to_double(pmt_t x)
328 return _real(x)->value();
330 return _integer(x)->value();
332 throw pmt_wrong_type("pmt_to_double", x);
335 ////////////////////////////////////////////////////////////////////////////
337 ////////////////////////////////////////////////////////////////////////////
339 pmt_complex::pmt_complex(std::complex<double> value) : d_value(value) {}
342 pmt_is_complex(pmt_t x)
344 return x->is_complex();
348 pmt_make_rectangular(double re, double im)
350 return pmt_t(new pmt_complex(std::complex<double>(re, im)));
354 pmt_to_complex(pmt_t x)
357 return _complex(x)->value();
359 return _real(x)->value();
361 return _integer(x)->value();
363 throw pmt_wrong_type("pmt_to_complex", x);
366 ////////////////////////////////////////////////////////////////////////////
368 ////////////////////////////////////////////////////////////////////////////
370 pmt_null::pmt_null() {}
371 pmt_pair::pmt_pair(const pmt_t& car, const pmt_t& cdr) : d_car(car), d_cdr(cdr) {}
374 pmt_is_null(const pmt_t& x)
380 pmt_is_pair(const pmt_t& obj)
382 return obj->is_pair();
386 pmt_cons(const pmt_t& x, const pmt_t& y)
388 return pmt_t(new pmt_pair(x, y));
392 pmt_car(const pmt_t& pair)
394 pmt_pair* p = dynamic_cast<pmt_pair*>(pair.get());
398 throw pmt_wrong_type("pmt_car", pair);
402 pmt_cdr(const pmt_t& pair)
404 pmt_pair* p = dynamic_cast<pmt_pair*>(pair.get());
408 throw pmt_wrong_type("pmt_cdr", pair);
412 pmt_set_car(pmt_t pair, pmt_t obj)
415 _pair(pair)->set_car(obj);
417 throw pmt_wrong_type("pmt_set_car", pair);
421 pmt_set_cdr(pmt_t pair, pmt_t obj)
424 _pair(pair)->set_cdr(obj);
426 throw pmt_wrong_type("pmt_set_cdr", pair);
429 ////////////////////////////////////////////////////////////////////////////
431 ////////////////////////////////////////////////////////////////////////////
433 pmt_vector::pmt_vector(size_t len, pmt_t fill)
436 for (size_t i = 0; i < len; i++)
441 pmt_vector::ref(size_t k) const
444 throw pmt_out_of_range("pmt_vector_ref", pmt_from_long(k));
449 pmt_vector::set(size_t k, pmt_t obj)
452 throw pmt_out_of_range("pmt_vector_set", pmt_from_long(k));
457 pmt_vector::fill(pmt_t obj)
459 for (size_t i = 0; i < length(); i++)
464 pmt_is_vector(pmt_t obj)
466 return obj->is_vector();
470 pmt_make_vector(size_t k, pmt_t fill)
472 return pmt_t(new pmt_vector(k, fill));
476 pmt_vector_ref(pmt_t vector, size_t k)
478 if (!vector->is_vector())
479 throw pmt_wrong_type("pmt_vector_ref", vector);
480 return _vector(vector)->ref(k);
484 pmt_vector_set(pmt_t vector, size_t k, pmt_t obj)
486 if (!vector->is_vector())
487 throw pmt_wrong_type("pmt_vector_set", vector);
488 _vector(vector)->set(k, obj);
492 pmt_vector_fill(pmt_t vector, pmt_t obj)
494 if (!vector->is_vector())
495 throw pmt_wrong_type("pmt_vector_set", vector);
496 _vector(vector)->fill(obj);
499 ////////////////////////////////////////////////////////////////////////////
500 // Uniform Numeric Vectors
501 ////////////////////////////////////////////////////////////////////////////
504 pmt_is_uniform_vector(pmt_t x)
506 return x->is_uniform_vector();
510 pmt_uniform_vector_elements(pmt_t vector, size_t &len)
512 if (!vector->is_uniform_vector())
513 throw pmt_wrong_type("pmt_uniform_vector_elements", vector);
514 return _uniform_vector(vector)->uniform_elements(len);
518 pmt_uniform_vector_writable_elements(pmt_t vector, size_t &len)
520 if (!vector->is_uniform_vector())
521 throw pmt_wrong_type("pmt_uniform_vector_writable_elements", vector);
522 return _uniform_vector(vector)->uniform_writable_elements(len);
525 ////////////////////////////////////////////////////////////////////////////
527 ////////////////////////////////////////////////////////////////////////////
535 pmt_dict::set(pmt_t key, pmt_t value)
537 pmt_t p = pmt_assv(key, d_alist); // look for (key . value) pair
538 if (pmt_is_pair(p)){ // found existing pair...
539 pmt_set_cdr(p, value); // overrwrite cdr with new value
541 else { // not in the dict
542 d_alist = pmt_cons(pmt_cons(key, value), d_alist); // add new (key . value) pair
547 pmt_dict::ref(pmt_t key, pmt_t not_found) const
549 pmt_t p = pmt_assv(key, d_alist); // look for (key . value) pair
557 pmt_dict::has_key(pmt_t key) const
559 return pmt_is_pair(pmt_assv(key, d_alist));
563 pmt_dict::items() const
569 pmt_dict::keys() const
571 return pmt_map(pmt_car, d_alist);
575 pmt_dict::values() const
577 return pmt_map(pmt_cdr, d_alist);
581 pmt_is_dict(pmt_t obj)
583 return obj->is_dict();
589 return pmt_t(new pmt_dict());
593 pmt_dict_set(pmt_t dict, pmt_t key, pmt_t value)
595 pmt_dict* d = _dict(dict);
597 throw pmt_wrong_type("pmt_dict_set", dict);
603 pmt_dict_has_key(pmt_t dict, pmt_t key)
605 pmt_dict* d = _dict(dict);
607 throw pmt_wrong_type("pmt_dict_has_key", dict);
609 return d->has_key(key);
613 pmt_dict_ref(pmt_t dict, pmt_t key, pmt_t not_found)
615 pmt_dict* d = _dict(dict);
617 throw pmt_wrong_type("pmt_dict_ref", dict);
619 return d->ref(key, not_found);
623 pmt_dict_items(pmt_t dict)
625 if (!dict->is_dict())
626 throw pmt_wrong_type("pmt_dict_items", dict);
628 return _dict(dict)->items();
632 pmt_dict_keys(pmt_t dict)
634 if (!dict->is_dict())
635 throw pmt_wrong_type("pmt_dict_keys", dict);
637 return _dict(dict)->keys();
641 pmt_dict_values(pmt_t dict)
643 if (!dict->is_dict())
644 throw pmt_wrong_type("pmt_dict_values", dict);
646 return _dict(dict)->values();
649 ////////////////////////////////////////////////////////////////////////////
651 ////////////////////////////////////////////////////////////////////////////
653 pmt_any::pmt_any(const boost::any &any) : d_any(any) {}
656 pmt_is_any(pmt_t obj)
658 return obj->is_any();
662 pmt_make_any(const boost::any &any)
664 return pmt_t(new pmt_any(any));
668 pmt_any_ref(pmt_t obj)
671 throw pmt_wrong_type("pmt_any_ref", obj);
672 return _any(obj)->ref();
676 pmt_any_set(pmt_t obj, const boost::any &any)
679 throw pmt_wrong_type("pmt_any_set", obj);
683 ////////////////////////////////////////////////////////////////////////////
685 ////////////////////////////////////////////////////////////////////////////
688 pmt_eq(const pmt_t& x, const pmt_t& y)
694 pmt_eqv(const pmt_t& x, const pmt_t& y)
699 if (x->is_integer() && y->is_integer())
700 return _integer(x)->value() == _integer(y)->value();
702 if (x->is_real() && y->is_real())
703 return _real(x)->value() == _real(y)->value();
705 if (x->is_complex() && y->is_complex())
706 return _complex(x)->value() == _complex(y)->value();
712 pmt_equal(const pmt_t& x, const pmt_t& y)
717 if (x->is_pair() && y->is_pair())
718 return pmt_equal(pmt_car(x), pmt_car(y)) && pmt_equal(pmt_cdr(x), pmt_cdr(y));
720 if (x->is_vector() && y->is_vector()){
721 pmt_vector *xv = _vector(x);
722 pmt_vector *yv = _vector(y);
723 if (xv->length() != yv->length())
726 for (unsigned i = 0; i < xv->length(); i++)
727 if (!pmt_equal(xv->_ref(i), yv->_ref(i)))
733 if (x->is_uniform_vector() && y->is_uniform_vector()){
734 pmt_uniform_vector *xv = _uniform_vector(x);
735 pmt_uniform_vector *yv = _uniform_vector(y);
736 if (xv->length() != yv->length())
740 if (memcmp(xv->uniform_elements(len_x),
741 yv->uniform_elements(len_y),
748 // FIXME add other cases here...
754 pmt_length(const pmt_t& x)
757 return _vector(x)->length();
759 if (x->is_uniform_vector())
760 return _uniform_vector(x)->length();
762 if (x->is_null()) return 0;
766 pmt_t it = pmt_cdr(x);
767 while (pmt_is_pair(it)){
775 throw pmt_wrong_type("pmt_length", x);
778 // FIXME dictionary length (number of entries)
780 throw pmt_wrong_type("pmt_length", x);
784 pmt_assq(pmt_t obj, pmt_t alist)
786 while (pmt_is_pair(alist)){
787 pmt_t p = pmt_car(alist);
788 if (!pmt_is_pair(p)) // malformed alist
791 if (pmt_eq(obj, pmt_car(p)))
794 alist = pmt_cdr(alist);
800 pmt_assv(pmt_t obj, pmt_t alist)
802 while (pmt_is_pair(alist)){
803 pmt_t p = pmt_car(alist);
804 if (!pmt_is_pair(p)) // malformed alist
807 if (pmt_eqv(obj, pmt_car(p)))
810 alist = pmt_cdr(alist);
816 pmt_assoc(pmt_t obj, pmt_t alist)
818 while (pmt_is_pair(alist)){
819 pmt_t p = pmt_car(alist);
820 if (!pmt_is_pair(p)) // malformed alist
823 if (pmt_equal(obj, pmt_car(p)))
826 alist = pmt_cdr(alist);
832 pmt_map(pmt_t proc(const pmt_t&), pmt_t list)
836 while(pmt_is_pair(list)){
837 r = pmt_cons(proc(pmt_car(list)), r);
838 list = pmt_cdr(list);
841 return pmt_reverse_x(r);
845 pmt_reverse(pmt_t listx)
850 while(pmt_is_pair(list)){
851 r = pmt_cons(pmt_car(list), r);
852 list = pmt_cdr(list);
854 if (pmt_is_null(list))
857 throw pmt_wrong_type("pmt_reverse", listx);
861 pmt_reverse_x(pmt_t list)
863 // FIXME do it destructively
864 return pmt_reverse(list);
868 pmt_nth(size_t n, pmt_t list)
870 pmt_t t = pmt_nthcdr(n, list);
878 pmt_nthcdr(size_t n, pmt_t list)
880 if (!(pmt_is_pair(list) || pmt_is_null(list)))
881 throw pmt_wrong_type("pmt_nthcdr", list);
884 if (pmt_is_pair(list)){
885 list = pmt_cdr(list);
889 if (pmt_is_null(list))
892 throw pmt_wrong_type("pmt_nthcdr: not a LIST", list);
898 pmt_memq(pmt_t obj, pmt_t list)
900 while (pmt_is_pair(list)){
901 if (pmt_eq(obj, pmt_car(list)))
903 list = pmt_cdr(list);
909 pmt_memv(pmt_t obj, pmt_t list)
911 while (pmt_is_pair(list)){
912 if (pmt_eqv(obj, pmt_car(list)))
914 list = pmt_cdr(list);
920 pmt_member(pmt_t obj, pmt_t list)
922 while (pmt_is_pair(list)){
923 if (pmt_equal(obj, pmt_car(list)))
925 list = pmt_cdr(list);
931 pmt_subsetp(pmt_t list1, pmt_t list2)
933 while (pmt_is_pair(list1)){
934 pmt_t p = pmt_car(list1);
935 if (pmt_is_false(pmt_memv(p, list2)))
937 list1 = pmt_cdr(list1);
943 pmt_list1(const pmt_t& x1)
945 return pmt_cons(x1, PMT_NIL);
949 pmt_list2(const pmt_t& x1, const pmt_t& x2)
951 return pmt_cons(x1, pmt_cons(x2, PMT_NIL));
955 pmt_list3(const pmt_t& x1, const pmt_t& x2, const pmt_t& x3)
957 return pmt_cons(x1, pmt_cons(x2, pmt_cons(x3, PMT_NIL)));
961 pmt_list4(const pmt_t& x1, const pmt_t& x2, const pmt_t& x3, const pmt_t& x4)
963 return pmt_cons(x1, pmt_cons(x2, pmt_cons(x3, pmt_cons(x4, PMT_NIL))));
967 pmt_list5(const pmt_t& x1, const pmt_t& x2, const pmt_t& x3, const pmt_t& x4, const pmt_t& x5)
969 return pmt_cons(x1, pmt_cons(x2, pmt_cons(x3, pmt_cons(x4, pmt_cons(x5, PMT_NIL)))));
973 pmt_list6(const pmt_t& x1, const pmt_t& x2, const pmt_t& x3, const pmt_t& x4, const pmt_t& x5, const pmt_t& x6)
975 return pmt_cons(x1, pmt_cons(x2, pmt_cons(x3, pmt_cons(x4, pmt_cons(x5, pmt_cons(x6, PMT_NIL))))));
979 pmt_list_add(pmt_t list, const pmt_t& item)
981 return pmt_reverse(pmt_cons(item, pmt_reverse(list)));
987 return (pmt_car(pmt_car(pair)));
993 return pmt_car(pmt_cdr(pair));
999 return pmt_cdr(pmt_car(pair));
1003 pmt_cddr(pmt_t pair)
1005 return pmt_cdr(pmt_cdr(pair));
1009 pmt_caddr(pmt_t pair)
1011 return pmt_car(pmt_cdr(pmt_cdr(pair)));
1015 pmt_cadddr(pmt_t pair)
1017 return pmt_car(pmt_cdr(pmt_cdr(pmt_cdr(pair))));
1021 pmt_is_eof_object(pmt_t obj)
1023 return pmt_eq(obj, PMT_EOF);
1029 printf("sizeof(pmt_t) = %3zd\n", sizeof(pmt_t));
1030 printf("sizeof(pmt_base) = %3zd\n", sizeof(pmt_base));
1031 printf("sizeof(pmt_bool) = %3zd\n", sizeof(pmt_bool));
1032 printf("sizeof(pmt_symbol) = %3zd\n", sizeof(pmt_symbol));
1033 printf("sizeof(pmt_integer) = %3zd\n", sizeof(pmt_integer));
1034 printf("sizeof(pmt_real) = %3zd\n", sizeof(pmt_real));
1035 printf("sizeof(pmt_complex) = %3zd\n", sizeof(pmt_complex));
1036 printf("sizeof(pmt_null) = %3zd\n", sizeof(pmt_null));
1037 printf("sizeof(pmt_pair) = %3zd\n", sizeof(pmt_pair));
1038 printf("sizeof(pmt_vector) = %3zd\n", sizeof(pmt_vector));
1039 printf("sizeof(pmt_dict) = %3zd\n", sizeof(pmt_dict));
1040 printf("sizeof(pmt_uniform_vector) = %3zd\n", sizeof(pmt_uniform_vector));
1043 } /* namespace pmt */