rishi/scryer-prolog
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Author SHA1 Message Date
Mark
b6a81c51ab add (:-)/1 and (:-)/2 to ClauseType::is_inbuilt (#1872) 2023-07-14 12:44:28 -06:00
Mark
ba2cd43144 fix assert(a|z)/1 errors 2023-07-13 17:12:17 -06:00
Mark Thom
bd720b49f3 Merge pull request #1884 from triska/countall 
ADDED: countall/2, for compatibility with GNU Prolog.
 2023-07-13 16:09:29 -06:00
Markus Triska
9590d5200c ADDED: countall/2, for compatibility with GNU Prolog. 
Example:

    ?- countall(member(X, "abc"), N).
       N = 3.
 2023-07-13 23:08:13 +02:00
Mark
12f890e4a2 throw permission_error in compile_assert when attempting to assert a built-in (#1872) 2023-07-13 15:03:26 -06:00
Mark
a9cb826bf3 arith_eval_by_metacall may receive a stack variable 2023-07-13 13:58:51 -06:00
Mark
4163cb038d correct peek_code/2, don't set stream position in peek functions 2023-07-13 13:37:34 -06:00
Mark
b051f39145 correct peek_byte/2 bugs (#1882) 2023-07-13 12:23:20 -06:00
Mark
cfc49243c8 improve ground/1 performance (#1389) 2023-07-12 18:11:56 -06:00
Mark
29430ec88b fix peek_byte/2 crash (#1882) 2023-07-12 16:34:11 -06:00
Mark Thom
d520046a4f Merge pull request #1878 from mthom/lookahead_indexing 
use lookahead to skip inapplicable clauses (#1028, #1502)
 2023-07-12 16:21:06 -06:00
Markus Triska
814ce2d672 ENHANCED: improved determinism of member/2 
Example:

    ?- member(X, "abc").
    %@    X = a
    %@ ;  X = b
    %@ ;  X = c.

This addresses #750.
 2023-07-12 14:39:08 -06:00
Mark
4fd37335f5 use lookahead to skip inapplicable clauses (#1028, #1502) 2023-07-12 14:39:02 -06:00
Mark
1791bd8626 remove unsafe unwrap in put_char (#1881) 2023-07-12 14:24:20 -06:00
Mark
3f5dbc1680 emit stream aliases as permission error culprits whenever possible 2023-07-12 12:17:06 -06:00
Mark
44052cb373 Revert "Allow comparisons with stream terms" 
This reverts commit 076a75d138.
 2023-07-12 11:44:45 -06:00
Mark
8c33da11ce Revert "add stream alias check to atom/1 (#1855)" 
This reverts commit b746a8f9ab.
 2023-07-12 11:44:44 -06:00
Mark
ab80c84714 Revert "add stream alias processing to atom_chars/2, atom_codes/2" 
This reverts commit 811ff65209.
 2023-07-12 11:44:41 -06:00
Nicolas Luck
c0dd94c8a3 Add test for programatic queries 2023-07-12 11:57:53 +02:00
Nicolas Luck
f65675836c Fix build warnings 2023-07-12 11:38:53 +02:00
Nicolas Luck
f324c9591d Refactor result parsing to idiomatic Rust and extract into parsed_results.rs 2023-07-12 10:34:07 +02:00
Nicolas Luck
3347f830c7 Remove debug println!s 2023-07-12 01:26:54 +02:00
Nicolas Luck
568abef5b8 Parsed QueryResult 2023-07-12 01:24:39 +02:00
Nicolas Luck
703efdb22d Make run_input_once/0 match and print all results 2023-07-12 00:03:47 +02:00
Mark
bb420e9347 use indexing functions to set num_cells in allocate_and_frame/or_frame (#1877) 2023-07-11 13:43:34 -06:00
Nicolas Luck
2f45f0cfed Add convenience methods Machine::load_module_string() and Machine::run_query() 2023-07-11 14:51:58 +02:00
Nicolas Luck
112d398175 Add Machine::run_input_once() which reads one goal from user input and runs it 2023-07-11 14:24:30 +02:00
Nicolas Luck
95b31146b5 Add Machine::set_user_input(&mut self, input: String) and get_user_output() -> String. Make read_term_from_user_input() handle Stream::Byte. 2023-07-11 14:22:27 +02:00
Mark
55a1f8d3da clean commented code from disjuncts.rs 2023-07-10 10:32:15 -06:00
Mark
fba7790637 remove errant debug_hook from read_and_match 2023-07-09 10:30:30 -06:00
Markus Triska
918dfca409 DOC: new section on applications of Scryer Prolog 
This addresses an important aspect of #1777.
 2023-07-09 10:29:53 -06:00
Markus Triska
d18f128a3c correct \\ to \, addressing #1865 2023-07-09 10:29:53 -06:00
Mark
c8b9059289 refine EOF handling more (#1873) 2023-07-09 10:29:47 -06:00
Mark
b8a6882a27 refine EOF handling 2023-07-08 22:25:30 -06:00
Mark
fb8e3071f2 follow EOF action after open_parsing_stream in get_char if stream at EOF 2023-07-08 19:27:32 -06:00
Mark
067b5998ee clarify EOF error across stream types and predicates (#1867, #1870) 2023-07-08 13:38:52 -06:00
Mark Thom
2e26f37f5e Merge pull request #1869 from triska/master 
print version more readably, addressing #1868
 2023-07-08 01:24:04 -06:00
Markus Triska
6525c1f543 print version more readably, addressing #1868 2023-07-08 08:19:05 +02:00
Mark
4db0b385f3 treat unexpected EOF as incomplete reduction in bracketed_comment 2023-07-07 13:04:27 -06:00
Mark
b7f77d1747 interpret '\u{0}' as end_of_file in get_char/1 2023-07-07 11:05:44 -06:00
Mark
811ff65209 add stream alias processing to atom_chars/2, atom_codes/2 2023-07-07 10:38:05 -06:00
Mark Thom
fd70d8975b Merge pull request #1832 from aarroyoc/http-fixes 
Multiple fixes for http libraries
 2023-07-06 16:30:56 -06:00
Mark
b746a8f9ab add stream alias check to atom/1 (#1855) 2023-07-06 11:38:12 -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
Mark
9ff1b660f1 correct heap_print.rs tests 2023-07-05 18:11:09 -06:00
Mark
5ffdd2d91a shrink scope of control_entry_point catch, add CutPoint tag to printer 2023-07-05 14:50:49 -06:00
Mark Thom
5b81bee941 Merge pull request #1864 from triska/double_quotes 
make double_quotes write option not dependent on double_quotes flag
 2023-07-05 13:49:29 -06:00
Markus Triska
3b9b9e75c4 make double_quotes write option not dependent on double_quotes flag 
This gives consistent results without depending on another flag.
 2023-07-05 21:37:11 +02:00
Mark Thom
faef45fd68 Merge pull request #1862 from mthom/iso_conformity_tests 
Revise iso_conformity_tests.pl to remove unnecessary spaces
 2023-07-05 10:49:51 -06:00
Mark
b5b45dde9d add missing self.pos to peek_char slices (#1726) 2023-07-04 17:44:27 -06:00