rishi/scryer-prolog
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789f662ec87d30f9783d82c847a8bd926d82cf50
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61 Commits

Author SHA1 Message Date
Mark Thom
789f662ec8 fix match_partial_string, compare_pstr_to_string (#1451) 2022-04-30 19:51:19 -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
05c14d5780 fix comparisons to partial string tails (#1420) 2022-04-14 22:14:23 -06:00
Mark Thom
0876d46880 unmark dereferenced cells in term_variables/2 (#1412) 2022-04-09 12:15:46 -06:00
Mark Thom
ed803d30cd dereference bindings returned by stackful iterator (#1410, #1411) 2022-04-09 11:47:54 -06:00
Mark Thom
f3167f6b5f add forwarding bit to all heap cells (#1384) 2022-04-05 20:34:27 -06:00
Mark Thom
8c99d748e2 allocate floats in dedicated buffer 2022-04-05 20:34:27 -06:00
Mark Thom
86176dce8d compare complete strings to one another in write_literal_to_var (#1388) 2022-04-03 01:37:19 -06:00
Mark Thom
c490d818fb fix dif/2 crash (#1378) 2022-03-29 18:39:45 -06:00
Mark Thom
94d7c6dc5f fix functor/3 arity check (#1366) 2022-03-25 18:07:22 -06:00
Mark Thom
067e2633af compare TypedArenaPtr<T> by value not pointer (#1362) 2022-03-22 00:55:44 -06:00
Mark Thom
c2fc33afec correct float version of sign/1 (#1360) 2022-03-19 15:55:23 -06:00
Mark Thom
1808597258 compare functor arity first (#1327) 2022-03-06 16:37:21 -07:00
Mark Thom
d55d5f15ae compare '[]' in pstr_comparator of compare_term_test (#1299) 2022-02-25 23:57:27 -07:00
Mark Thom
775bd3a08b unify '' to [] in unify_complete_string (#1292, #1288) 2022-02-25 23:01:08 -07:00
Mark Thom
d92d8bce89 recognize [] as equivalent to "" in unify_atom (#1288) 2022-02-22 23:45:58 -07:00
Mark Thom
5b829636cb build CStr's to vars in write_literal_to_var (#1284) 2022-02-15 22:33:29 -07:00
Mark Thom
4ddacc707d add range check to arg/3 (#1250) 2022-01-29 12:50:09 -07:00
Mark Thom
a562793fce don't read into the heap while incrementing self.s (#1233, #1245) 2022-01-25 20:37:29 -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
4211151fe6 fix unify_float 2022-01-06 21:44:41 -07:00
Mark Thom
48c1d05151 use heap_loc to refer to 0-arity atom instead of str_loc 2022-01-06 21:44:41 -07:00
Mark Thom
cd129e32a7 fix bugs revealed by src/tests/builtins.pl 2022-01-06 21:44:41 -07:00
Mark Thom
fb4e627e62 fix various partial string bugs (copying using them in arg/3) 2022-01-06 21:44:41 -07:00
Mark Thom
bc613eeff9 fix number not recognizing floats 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
a0a86d0f62 unmark cell bits in occurs check 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
Mark Thom
5d2b0377d8 reset attributed variables queue when backtracking (#678, etc.) 2021-09-27 19:12:24 -06:00
Mark Thom
533d1ea9ab set self.dynamic_mode to FirstOrNext::Next independently of succeed or failure in dynamic indexing instructions (prompted by #922) 2021-05-04 20:56:25 -06:00
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
Mark Thom
7520fe7000 use occurs check when enabled in UnifyValue (#885) 2021-03-22 22:05:03 -06:00
Mark Thom
10af206024 make chars callable (#713) 2021-03-17 19:50:41 -06:00
Mark Thom
d4d47182b4 fix is_cyclic_term (#864) 2021-03-10 16:11:48 -07:00
Mark Thom
1b9db035ba call project_attributes from top-level (#846) 2021-03-04 16:05:06 -07:00
Mark Thom
3f1cfd2995 introduce bind_fn, use in applicable Fact/Query instructions (#841) 2021-02-28 16:19:06 -07:00
Mark Thom
08e2b601f1 pop non-composite terms from iter stack in is_cyclic_term 2021-02-28 12:28:19 -07:00
Mark Thom
101ed9a633 add error value to occurs_check prolog flag (#783) 2021-02-28 11:44:23 -07:00
Skgland
2f428b7261 split into lib and bin 
* makes most pub things in src/ pub(crate) as not to expose things accidentally
  * only those things needed by src/bin/scryer-prolog.rs and tests/scryer.rs
    should be pub
* split src/main.rs into src/lib.rs and src/bin/scryer-prolog.rs
* add tests folder and run most of the files in src/tests with cargo test
  added bytes method to Stream in src/machine/streams.rs to check if stdout is as expected
 2021-02-28 19:21:30 +01:00
Mark Thom
a367812348 add occurs_check flag (#309) 2021-02-28 10:41:32 -07:00
Mark Thom
064d261357 implement logical update semantics for dynamic database predicates 2021-02-27 23:33:10 -07:00
Mark Thom
6c447da730 no longer generate a choice point in bb_b_put/2 (#742) 2021-02-22 18:27:30 -07:00
Mark Thom
1dabe95899 remove tidy_trail 2021-02-07 15:39:48 -07:00
Skgland
5041042925 rename prolog_parser_rebis to prolog_parser 
also remove remaining extern crate statements that slipped through earlier
 2021-02-06 22:13:34 +01:00