rishi/scryer-prolog
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270 Commits

Author SHA1 Message Date
Mark Thom
9ba503cd6b use printer cycle detection when printing partial strings (#1263), refactor skip_max_list functions 2022-02-06 21:36:49 -07:00
Mark Thom
7b8001d060 fix '$skip_max_list'/4 (#1260) 2022-02-05 18:33:30 -07:00
Mark Thom
4b71607215 count cycle lengths in skip_max_list_cycle (#1260) 2022-01-31 18:23:16 -07:00
Mark Thom
0d653a2ce6 improve '$skip_max_list'/4 and length/2 (#1023, #110) 2022-01-29 12:47:26 -07:00
Mark Thom
b3006f6fd8 inline store & deref calls in '' (#1176) 2022-01-26 23:03:19 -07:00
Mark Thom
3ebf8d5db9 clear alias in close before resetting the stream to null (#1231) 2022-01-17 17:58:14 -07:00
Mark Thom
c6400550e1 dereference second argument of '/2 2022-01-17 00:00:23 -07:00
Markus Triska
11d504e8f4 retain the string "[]" as is, instead of converting it to '[]' (i.e., "") 
This addresses #1215.
 2022-01-16 17:50:20 +01:00
Mark Thom
83378e4373 deduplicate but do not sort anonymous variables in toplevel (#1196) 2022-01-15 19:24:22 -07:00
Mark Thom
39e28f1f2a write plaintext and ciphertext directly to atoms (#1193) 2022-01-13 08:47:56 -07:00
Mark Thom
cfe257495a recognize characters as separate from atoms in ''/7 (#1192) 2022-01-10 21:18:11 -07:00
Adrián Arroyo Calle
35670c8654 remove TLS option in socket_client_open/3 2022-01-09 17:04:54 +01:00
Adrián Arroyo Calle
07bc97fb31 fix socket_client_open/3 2022-01-08 23:31:32 +01:00
Mark Thom
a54e42961c unify current time as a complete string, not an atom (#1175) 2022-01-08 11:47:35 -07:00
Mark Thom
955e1799c8 flatten the instruction dispatch loop 2022-01-06 22:09:36 -07:00
Mark Thom
3db86f1e25 relocate most instruction routines from MachineState to Machine 2022-01-06 21:46:23 -07:00
Mark Thom
6f9b6a29c4 remove LocalCodePtr::IndexingBuf 2022-01-06 21:44:41 -07:00
Mark Thom
520121b2b2 remove skeletons from replaced modules 2022-01-06 21:44:41 -07:00
Mark Thom
8ba61a1da1 defer installation of inference counter for call_with_inference_limit til after goals expanded 2022-01-06 21:44:41 -07:00
Mark Thom
d7bf04d2c0 fix off by one bug in system_calls 2022-01-06 21:44:41 -07:00
Mark Thom
529c401eee don't allow [] as a stream alias, restore domain error on source sink for open/{3,4} 2022-01-06 21:44:41 -07:00
Mark Thom
d02b9d848c break from loop upon successful peek in peek_char/1 and peek_code/1 2022-01-06 21:44:41 -07:00
Mark Thom
f340f9ac94 break from loop in get_code upon successful character read 2022-01-06 21:44:41 -07:00
Mark Thom
10bb6ab3bb restore old thread_goals to fix top-level solutions printing bug 2022-01-06 21:44:41 -07:00
Mark Thom
073f281f1e fix arg/3 bug 2022-01-06 21:44:41 -07:00
Mark Thom
addc817cca break from get_char loop after successful char unification 2022-01-06 21:44:41 -07:00
Mark Thom
b24e7cce38 support comparison and unification of cyclic partial strings 2022-01-06 21:44:41 -07:00
Mark Thom
ffd1b7069f greatly reduce the number of goal expansions done in callable if/then/else 2022-01-06 21:44:41 -07:00
Mark Thom
0404c3bd94 use new heap term representation 2022-01-06 21:44:38 -07:00
Markus Triska
7e8a635e7e implement tls_client_negotiate/3 for explicit negotiation 2021-12-05 17:39:22 +01:00
Markus Triska
77c04c3a14 ADDED: Support for creating TLS servers. 
The new predicates tls_server_context/2 and tls_server_negotiate/3 can
be used to negotiate TLS connections with clients for encrypted and
authenticated communication.
 2021-12-03 16:45:27 +01:00
Adrián Arroyo Calle
86161ccf2a Allow all kinds of string to be processed in open/4 2021-11-28 12:37:16 +01:00
Mark Thom
1d2a838717 Merge pull request #1077 from pmoura/fix_get_code_predicates_at_end_of_file 
Fix the get_code/1-2 predicates to return -1 at the end of stream as per standard
 2021-11-07 09:40:29 -05:00
Mark Thom
0b2638b201 Merge pull request #1070 from triska/open_stream 
ENHANCED: open/4 to allow opening a stream by specifying stream(S).
 2021-11-07 09:39:41 -05:00
Paulo Moura
658b835a70 Fix the get_code/1-2 predicates to return -1 at the end of stream 2021-11-06 19:41:25 +00:00
Markus Triska
f668640e3d move error handling to Prolog by using the new '$first_non_octet'/2 2021-11-04 18:35:22 +01:00
Markus Triska
afcd44deaa ENHANCED: open/4 to allow opening a stream by specifying stream(S). 
This allows switching standard output to binary, using for example:

  ?- current_output(S0), open(stream(S0), write, S, [type(binary)]).

format/3 can then be used to write binary data to S. This is needed
for example when piping binary data to other programs.

This addresses #614, please read the discussion for more information.

The current implementation is very preliminary: Specifically, it works
by destructively modifiying the parameters of the underlying stream,
making it no longer usable in its original mode. Currently, if the
type of standard output is set to binary, then the toplevel no longer
works. Therefore, after writing binary output to standard output,
the program should either halt, or set the stream type back to text.
 2021-11-04 18:33:40 +01:00
Markus Triska
494bd7b79c ADDED: '$first_non_octet'/2, for much more efficient domain checks in library(crypto). 
'$first_non_octet'(Cs, C) <=> C is the leftmost character in the
string Cs whose character code is not in 0..255.
 2021-11-04 00:12:00 +01:00
Adrián Arroyo Calle
391cda919f Implement shell/1 and shell/2 2021-10-11 22:35:05 +02:00
Adrián Arroyo Calle
47d811c250 use shutdown error values to throw exceptions in close stream 2021-09-30 00:10:03 +02:00
Adrián Arroyo Calle
4d0998ef72 launch exception if closing a closed TCP stream #1046 2021-09-28 22:48:51 +02:00
Regan-Koopmans
72a7765b58 981 Reimplement as library system call 2021-06-17 12:10:25 +02:00
Mark Thom
87ef3519d9 Merge pull request #972 from pmoura/add_pid_predicate 
Add pid/1 predicate to the os library
 2021-05-19 14:09:21 -06:00
Paulo Moura
b9ad6f4fd2 Add pid/1 predicate to the os library 2021-05-18 20:05:30 +01:00
Paulo Moura
58555d598b Add rename_file/2 predicate to the files library 2021-05-18 18:08:30 +01:00
Mark Thom
0eeae24049 Merge pull request #968 from pmoura/add_make_directory_path_predicate 
Add make_directory_path/1 predicate to the files library
 2021-05-18 10:26:06 -06:00
Paulo Moura
eeac3bc436 Add delete_directory/1 predicate to the files library 2021-05-18 08:41:19 +01:00
Paulo Moura
bdebc7f32e Add make_directory_path/1 predicate to the files library 2021-05-18 00:21:11 +01:00
Mark Thom
b21a096516 add read/2 and nl/1 (#896) 2021-05-01 16:12:00 -06:00
Mark Thom
d0b25de554 add user_error stream (#917) 2021-04-30 21:58:03 -06:00