paul@354 | 1 | /* Common operations for native functions. |
paul@354 | 2 | |
paul@938 | 3 | Copyright (C) 2016, 2017, 2018, 2021 Paul Boddie <paul@boddie.org.uk> |
paul@354 | 4 | |
paul@354 | 5 | This program is free software; you can redistribute it and/or modify it under |
paul@354 | 6 | the terms of the GNU General Public License as published by the Free Software |
paul@354 | 7 | Foundation; either version 3 of the License, or (at your option) any later |
paul@354 | 8 | version. |
paul@354 | 9 | |
paul@354 | 10 | This program is distributed in the hope that it will be useful, but WITHOUT |
paul@354 | 11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
paul@354 | 12 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
paul@354 | 13 | details. |
paul@354 | 14 | |
paul@354 | 15 | You should have received a copy of the GNU General Public License along with |
paul@354 | 16 | this program. If not, see <http://www.gnu.org/licenses/>. |
paul@354 | 17 | */ |
paul@354 | 18 | |
paul@354 | 19 | #include "types.h" |
paul@354 | 20 | #include "exceptions.h" |
paul@354 | 21 | #include "ops.h" |
paul@354 | 22 | #include "progconsts.h" |
paul@354 | 23 | #include "progops.h" |
paul@354 | 24 | #include "progtypes.h" |
paul@354 | 25 | #include "main.h" |
paul@354 | 26 | |
paul@354 | 27 | /* Utility functions. */ |
paul@354 | 28 | |
paul@947 | 29 | __attr __new_int(__int n) |
paul@947 | 30 | { |
paul@947 | 31 | /* Create a new int and set the trailing data. */ |
paul@947 | 32 | __attr attr = __NEWINSTANCEIM(__builtins___int_int); |
paul@947 | 33 | __set_trailing_data(attr, __builtins___int_int, n); |
paul@947 | 34 | return attr; |
paul@947 | 35 | } |
paul@947 | 36 | |
paul@941 | 37 | __attr __new_str(char *s, __int size) |
paul@354 | 38 | { |
paul@583 | 39 | /* Create a new string and mutate the __data__, __size__ and __key__ attributes. */ |
paul@938 | 40 | __attr attr = __NEWINSTANCE(__builtins___str_str); |
paul@849 | 41 | __store_via_object(__VALUE(attr), __data__, (__attr) {.strvalue=s}); |
paul@945 | 42 | __store_via_object(__VALUE(attr), __size__, (__attr) {.sizevalue=size}); |
paul@849 | 43 | __store_via_object(__VALUE(attr), __key__, __NULL); |
paul@354 | 44 | return attr; |
paul@354 | 45 | } |
paul@354 | 46 | |
paul@354 | 47 | __attr __new_list(__fragment *f) |
paul@354 | 48 | { |
paul@354 | 49 | /* Create a new list and mutate the __data__ attribute. */ |
paul@573 | 50 | __attr attr = __NEWINSTANCE(__builtins___list_list); |
paul@849 | 51 | __store_via_object(__VALUE(attr), __data__, (__attr) {.seqvalue=f}); |
paul@354 | 52 | return attr; |
paul@354 | 53 | } |
paul@354 | 54 | |
paul@947 | 55 | __attr __new_float(__float n) |
paul@850 | 56 | { |
paul@850 | 57 | /* Create a new float and set the trailing data. */ |
paul@874 | 58 | __attr attr = __NEWINSTANCEIM(__builtins___float_float); |
paul@850 | 59 | __set_trailing_data(attr, __builtins___float_float, n); |
paul@850 | 60 | return attr; |
paul@850 | 61 | } |
paul@850 | 62 | |
paul@664 | 63 | __fragment *__fragment_append(__fragment *data, __attr value) |
paul@354 | 64 | { |
paul@354 | 65 | __fragment *newdata = data; |
paul@941 | 66 | __int size = data->size, capacity = data->capacity; |
paul@941 | 67 | __int n; |
paul@354 | 68 | |
paul@354 | 69 | /* Re-allocate the fragment if the capacity has been reached. */ |
paul@354 | 70 | if (size >= capacity) |
paul@354 | 71 | { |
paul@354 | 72 | /* NOTE: Consider various restrictions on capacity increases. */ |
paul@354 | 73 | n = capacity ? capacity * 2 : 1; |
paul@354 | 74 | newdata = (__fragment *) __REALLOCATE(data, __FRAGMENT_SIZE(n)); |
paul@354 | 75 | newdata->capacity = n; |
paul@354 | 76 | } |
paul@354 | 77 | |
paul@354 | 78 | /* Insert the new element and increment the list size. */ |
paul@664 | 79 | newdata->attrs[size] = value; |
paul@354 | 80 | newdata->size = size + 1; |
paul@354 | 81 | |
paul@354 | 82 | return newdata; |
paul@354 | 83 | } |