rishi/scryer-prolog
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8763a42c98b2b16e9cbb649cc16e093382c3444f
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113 Commits

Author SHA1 Message Date
Markus Triska
8763a42c98 FIXED: arg/3 for partial strings 
This address #2924, reported by @haijinSk. Thank you a lot!

Example:

    ?- arg(2, "a", A).
       A = [].

The fact that such a mistake in macro usage is even possible could be
a sign that the macro definition should be stricter.
 2025-07-07 22:38:12 -07:00
Mark Thom
6bcbb91e08 correctly increment s_offset for partial strings (#2897) 2025-07-07 22:38:12 -07:00
Mark Thom
e1e52338d6 fix typo in try_from_partial_string 2025-07-07 22:38:12 -07:00
Mark Thom
995a39419a fix read_s logic around HeapPtr::PStrLoc (#2894) 2025-07-07 22:38:12 -07:00
Mark Thom
e563fd8e4f generalize compare_pstr_segments 2025-07-07 22:38:12 -07:00
Mark Thom
549a26dd03 restore more tabu_list use to compare_term_tests (#2633) 2025-07-07 22:38:12 -07:00
Mark Thom
8981ab72d1 restore tabu_list insertions to PStr-Lis comparisons (#2636) 2025-07-07 22:38:12 -07:00
Mark Thom
22080f3787 move CodeIndex to F64Table-like table 2025-07-07 22:38:12 -07:00
Mark Thom
9e1e99f961 Revert "remove Term" 
This reverts commit 3b5879841aedecba5057c70c71da0ba23e5cd84a.
 2025-07-07 22:38:10 -07:00
Mark Thom
3dee07f648 some fixes in response to miri 2025-07-07 22:02:27 -07:00
Mark Thom
ae4d12a123 remove pstr_vec 2025-07-07 22:02:27 -07:00
Mark Thom
c0f72704ec introduce bespoke Heap type for in-heap partial strings 2025-07-07 21:59:50 -07:00
bakaq
d32f3ee2f3 Fix warnings 2024-09-06 18:42:31 -03:00
Adrián Arroyo Calle
d132227860 Throw ValidType::Atom error in functor 2023-12-17 12:38:46 +01:00
Mark
3841b29db8 fix copy_term/2 variable copying bug in lists (#923, #2127) 2023-11-21 14:52:35 -07:00
Mark
54166b91eb add global_count inference counter that is always incremented (#2009) 2023-11-20 16:24:31 -07:00
infogulch
9444e62df9 Resolve lints and format 2023-11-04 02:16:54 -05:00
Mark
6a913bc4cc use Deutsch-Schorr-Waite to implement acyclic_term/1 (#2128) 2023-10-21 21:47:29 -06:00
Mark
bf46c4b5c1 use topo_sort to correct acyclic_term (#2124, #2125) 2023-10-18 12:00:40 -06:00
Mark
e4a677ceea detect all cycles in roughly linear time and constant space (#2102) 2023-10-13 18:05:52 -06:00
Mark
0ad4427f83 use eager_stackful_preorder_iter in variable_set, add term_variables/1 tests 2023-10-04 15:12:25 -06:00
Mark
1bfdea7527 rewrite ground_test, add tests for ground/1 (#2075) 2023-10-04 14:17:03 -06:00
Mark
f9d44c93fd check for free variables in locations removed from iterator stack in ground_test (#2075) 2023-10-03 15:31:01 -06:00
Mark
fd14869ddc correct cycle detection in ground/1 (#2073) 2023-10-03 12:07:36 -06:00
Mark
6fa00b5b55 get rid of inference_limit_exceeded(B) as an error term (#2023) 2023-09-30 22:35:46 -06:00
Mark
62c23166fa implement ListElisionPolicy to restore previous printer behavior 2023-09-30 16:00:15 -06:00
Jacob
adb5fcf708 Upgrade dashu and some changes 2023-09-13 12:29:12 -04:00
Fayeed Pawaskar
7f0536b51d Merge branch 'master' into dashu-fixes 2023-09-10 21:51:02 +05:30
Fayeed Pawaskar
af76659830 Removed value method and use deref to get type 2023-09-10 21:40:22 +05:30
Bennet Bleßmann
13cbff7eab [WIP] fix deadlock in AtomTable::build_with 2023-09-05 19:12:22 +02:00
Skgland
86166dbf25 [WIP] make AtomTable concurrentcy ready 2023-09-05 19:12:22 +02:00
Skgland
b2130c2a48 run cargo fmt 2023-09-05 19:12:17 +02:00
Fayeed Pawaskar
7b921fc767 Implemented num_order methods on Integer & Rational numbers 2023-09-04 14:12:47 +05:30
Mark
af44d91568 Merge branch 'dashu' of https://github.com/coasys/scryer-prolog into coasys-dashu 2023-07-24 11:47:57 -06:00
Fayeed Pawaskar
b4e7000eb2 Fixed missing functionality in dashu with their methods still has some issue with move 2023-07-21 14:21:32 +05:30
Fayeed Pawaskar
cf345d8174 wip dashu move 2023-07-17 20:40:41 +05:30
Mark
101d0548db fix group_by_variants/4 and keysort in setof/3 (#1440, #1856) 2023-07-14 18:52:29 -06:00
Mark
cfc49243c8 improve ground/1 performance (#1389) 2023-07-12 18:11:56 -06:00
Mark
44052cb373 Revert "Allow comparisons with stream terms" 
This reverts commit 076a75d138.
 2023-07-12 11:44:45 -06:00
Mark
483e4568a2 add scc_block to MachineState to avoid SCC cleanup terms being deallocated too early (#1427) 2023-07-06 11:20:49 -06:00
Adrián Arroyo Calle
076a75d138 Allow comparisons with stream terms 2023-07-04 17:33:48 +02:00
Mark
b656700294 read from machine stack in stackful pre-order iterator (#1812) 2023-05-28 12:59:01 -06:00
Mark Thom
04ba58067a add, implement and use the Unifier trait 2023-02-26 12:21:22 -07:00
Mark Thom
491472a8c5 retire TrailedAttrVarHeapLink TrailEntry tag 2023-02-10 22:52:27 -07:00
Mark Thom
a7e93db363 improve retract/1 and related predicates (#1598) 2023-01-22 21:04:41 -07:00
Mark Thom
3a4aa2a541 tighten deallocate truncation of stack (#1686) 2023-01-12 23:47:07 -07:00
Mark Thom
8781e03863 cache ball terms before unifying in handle_ball/3 (#1608) 2022-10-26 23:36:07 -06:00
Mark Thom
1ffbf63d20 inline metacalls 2022-10-26 23:36:07 -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
10a11c293e fix stream position and term comparison bugs (#1472) 2022-05-22 14:16:14 -06:00