rishi/scryer-prolog
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399 Commits

Author SHA1 Message Date
Mark Thom
3bdcc3aba9 return -1 from get_code to indicate end of file (#1622) 2022-11-18 18:19:55 -07:00
Mark Thom
9366a48d6d introduce InlineTermStream to avoid arena allocations during call_inline (#1576) 2022-11-09 00:01:01 +01:00
Mark Thom
8781e03863 cache ball terms before unifying in handle_ball/3 (#1608) 2022-10-26 23:36:07 -06:00
Mark Thom
140149f051 fix crash in read_term (#1616) 2022-10-26 23:36:07 -06:00
Markus Triska
579aa8acd4 use newly available u8s_to_string 2022-10-26 23:36:07 -06:00
Markus Triska
9c2cb144b5 remove redundant error handling, since this case is checked in Prolog 
This restores f668640e3d, where this
change was already made. It seems it was accidentally overwritten in
0404c3bd94.
 2022-10-26 23:36:07 -06:00
Markus Triska
3d04689660 introduce and use u8s_to_string 2022-10-26 23:36:07 -06:00
Markus Triska
9c1de8e00b ENHANCED: Eliminate the OpenSSL dependency of library(crypto). 
This is achieved by using the newly available crrl crate by @pornin
to implement crypto_curve_scalar_mult/4 for secp256k1. Many thanks!
 2022-10-26 23:36:07 -06:00
Mark Thom
1109e05e06 properly match strings concluding with characters in lists (#1597) 2022-10-26 23:36:07 -06:00
Mark Thom
8a9cd7779c offset into complete strings with '$skip_max_list'/4 (#1529) 2022-10-26 23:36:07 -06:00
Mark Thom
d4c0277065 don't return ops with priority 0 when building set for current_op (#1571) 2022-10-26 23:36:07 -06:00
Mark Thom
069e132c0e treat functors with PI '.'/2 as lists (#1570) 2022-10-26 23:36:07 -06:00
Adrián Arroyo Calle
181be5be3f HTTP Server 2.0 2022-10-26 23:36:07 -06:00
Mark Thom
91d4e91f53 prefix inlined goals with module names in expand_subgoal/5 (#1551) 2022-10-26 23:36:07 -06:00
Mark Thom
ad3ae7991b try to invoke '$call_inline' a second time in call/N (#1543) 2022-10-26 23:36:07 -06:00
Mark Thom
ea95a7900c deduplicate index ptr inlining for 0-arity atoms (#1538) 2022-10-26 23:36:07 -06:00
Mark Thom
ec9c763211 print index_ptr offset (#1534) 2022-10-26 23:36:07 -06:00
Mark Thom
0aec980aa8 inference count call_inline, fail on undefined index 2022-10-26 23:36:07 -06:00
Mark Thom
6b05ee5130 streamline assertz/1, asserta/1 2022-10-26 23:36:07 -06:00
Mark Thom
1ffbf63d20 inline metacalls 2022-10-26 23:36:07 -06:00
Manos Pitsidianakis
b905d2758d fix type_error with instantiated EOF -1 byte literal in get_byte/2 
According to ISO Prolog, get_byte/2 predicate can receive an
instantiated input byte:

http://www.gprolog.org/manual/html_node/gprolog037.html#sec156

    get_byte(+stream_or_alias, ?in_byte)

Since in_byte can be -1 if EOF is reached, instantiating it with -1
should work but does not because the implementation is trying to convert
it to a u8 which is unsigned:

?- open("/dev/null", read, S, [type(binary)]), get_byte(S, -1).
   error(type_error(in_byte,-1),get_byte/2).

This commit adds an extra check for -1 before checking for a valid u8
instantiated value if in_byte is an input:

?- open("/dev/null", read, S, [type(binary)]), get_byte(S, -1).
   S = '$stream'(0x55601e65c998).

Closes #1625
 2022-10-26 13:49:38 +03:00
Manos Pitsidianakis
a9a06b5297 Fix xor/2 type error reporting wrong argument 
If first argument n1 in xor/2 is of wrong numerical type, the match
patterns fall through to a catch all case that reports the second
argument in the type error.

Fixes #1626

`xor/2 function reports the wrong argument in type error #1626`

https://github.com/mthom/scryer-prolog/issues/1626
 2022-10-24 19:26:43 +03:00
Ross Smyth
577f85099d Fixed imports num-rug-adapter 2022-07-17 02:06:37 -04:00
Mark Thom
cd1150c11d use setup_cal_n_init_goal_info in dynamic_module_resolution 2022-06-15 22:33:13 -06:00
Mark Thom
987bbdecf5 improve efficiency of call/N, replace '$call_with_default_policy' with 
'$call_with_inference_counting'
 2022-06-12 22:34:07 -06:00
Mark Thom
a68394b6f2 simplify detecting undefined goal_ and term_expansion 2022-06-12 22:34:07 -06:00
Mark Thom
336311ecc8 replace call with $call in more meta-predicates 2022-06-06 09:28:03 -06:00
Mark Thom
e9bb35c895 emit indexing instructions in single clauses of dynamic predicates 2022-06-04 23:43:48 -06:00
Mark Thom
c36d4a9c9a unmark cells in arith_eval_by_metacall (#1497) 2022-06-01 00:02:11 -06:00
Mark Thom
084fc84590 use existence_error for dropped streams (#1472) 2022-05-23 11:15:58 -06:00
Mark Thom
10a11c293e fix stream position and term comparison bugs (#1472) 2022-05-22 14:16:14 -06:00
Mark Thom
bef8eb538c throw a representation error if max arity is exceeded (#1483) 2022-05-22 00:03:55 -06:00
Mark Thom
4d23542ef3 add max arity checks at various stages (#1459) 2022-05-21 12:32:48 -06:00
Mark Thom
2f3de51e55 remove non-determinism in number_chars/2 and numbercodes/2 (#1473) 2022-05-13 18:38:58 -06:00
Mark Thom
cea1353fbb use must_be(chars) in number_chars/2 (#1470) 2022-05-12 01:09:06 -06:00
Euan Lacy
c2a87f898e fix: remove unnecessary string & vec allocations 2022-05-10 18:10:18 +01:00
Euan Lacy
aaa75c3ffc wip: basic completion of predicates 2022-05-10 18:10:18 +01:00
Mark Thom
2dfa108034 unify partial string tail later in create_partial_string (#1462, #1465, #1427) 2022-05-08 14:52:22 -06:00
Mark Thom
4895cb7b22 fix culprit in stream_position permission_error (#1463) 2022-05-06 17:38:25 -06:00
Mark Thom
2d3eb8483f correct cycle detection in unify_* (#1455) 2022-05-05 18:58:56 -06:00
Mark Thom
6030fae685 track f64 offsets in Literal (#1190) 2022-05-04 21:54:46 -06:00
Mark Thom
0f502fff84 compact lists of characters to partial strings in read_term_from_heap (#1452, #1453) 2022-05-03 19:12:16 -06:00
Mark Thom
789f662ec8 fix match_partial_string, compare_pstr_to_string (#1451) 2022-04-30 19:51:19 -06:00
Mark Thom
72536037ca remove redundant register assignments in numeric comparisons (#1438, #1448) 2022-04-29 09:16:22 -06:00
Mark Thom
68b4951bc9 replace SliceDeque with VecDeque 2022-04-25 22:55:28 -06:00
Mark Thom
ed89c43e48 catch existence_error exceptions from top-level calls to attribute_goals/3 (#1432) 2022-04-24 20:59:00 -06:00
Mark Thom
16137ace0e unify structures from left to right (#1396) 2022-04-22 19:00:42 -06:00
Mark Thom
9d5264c5a3 very minor optimizations 2022-04-17 20:10:13 -06:00
Mark Thom
2d5fe21b05 avoid writing chars to the atom table in several places 2022-04-17 12:20:00 -06:00
Mark Thom
05c14d5780 fix comparisons to partial string tails (#1420) 2022-04-14 22:14:23 -06:00