rishi/scryer-prolog
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81 Commits

Author SHA1 Message Date
Bennet Bleßmann
c24a51b633 fix looping from issue 2467 2024-08-17 23:37:12 +02:00
Mark
673329ddb7 fix reverted tests, ensure files are loaded before goals (#2315) 2024-02-03 11:49:26 -07:00
Mark
de6c460a51 treat consultation of command line modules as regular goals (#2314) 2024-02-02 15:35:00 -07:00
Mark
7573c64087 load .scryerrc before files and goals (#1775, #2313) 2024-02-02 10:54:28 -07:00
Mark
bc616ca7d8 move call_residue_vars/2 from atts.pl to iso_ext.pl 2024-01-25 12:40:24 -07:00
Adrián Arroyo Calle
99c85459a7 Move copy_term/3 to library(iso_ext) 2024-01-19 17:33:45 +01:00
Mark Thom
5abc72cc8b Merge pull request #2268 from aarroyoc/docs-toplevel 
Small fixes in documentation and toplevel.pl
 2024-01-03 14:52:34 -07:00
Adrián Arroyo Calle
d58e91303b Small fixes in documentation and toplevel.pl 2024-01-03 19:52:50 +01:00
Mark Thom
5c89029462 Merge pull request #2263 from aarroyoc/docs-toplevel 
Move argv/1 to library(os)
 2024-01-02 09:19:10 -07:00
Adrián Arroyo Calle
47b5ae7984 Move argv/1 to library(os) 2024-01-02 13:16:11 +01:00
bakaq
d9d90d1ae8 Emit warnings as Prolog comments 2023-12-30 17:39:20 -03:00
bakaq
20c6a327ea Fix anonymous attributed variables not showing in toplevel #2241 2023-12-22 13:07:09 -03:00
Mark
399b50b4d7 fix use of copy_term/3 for attribute goals in toplevel (#888, #2057, #2217) 2023-12-13 12:27:59 -07:00
Mark
3841b29db8 fix copy_term/2 variable copying bug in lists (#923, #2127) 2023-11-21 14:52:35 -07:00
Nicolas Luck
136463c92e Merge branch 'master' into library-use-case 
# Conflicts:
#	Cargo.toml
#	src/atom_table.rs
#	src/bin/scryer-prolog.rs
#	src/http.rs
#	src/machine/mock_wam.rs
#	src/machine/mod.rs
#	src/machine/system_calls.rs
 2023-09-13 18:13:14 +02:00
Markus Triska
c934e06171 ADDED: New Prolog flag, answer_write_options. 
This lets us specify additional write options used by the top level
for writing answers.
 2023-09-03 10:49:07 +02:00
Nicolas Luck
48a4835819 Merge branch 'master' into library-use-case 
# Conflicts:
#	Cargo.lock
#	Cargo.toml
#	src/bin/scryer-prolog.rs
#	src/loader.pl
#	src/machine/mock_wam.rs
#	src/machine/mod.rs
#	src/machine/system_calls.rs
 2023-08-03 20:16:32 +02:00
Nicolas Luck
644559b7f7 Add back newline at end of toplevel.pl 2023-07-17 21:52:17 +02:00
Nicolas Luck
5f8cc3c64b WIP: refactor to generalize Machine::run_top_level() 2023-07-17 21:34:26 +02:00
Markus Triska
5d3295c40c ENHANCED: use newly available read_term_from_chars/3 for better errors 
Examples, previously:

    $ scryer-prolog -g "member(X,Ls"
    ?-
    $ scryer-prolog -g "member(X,Ls)"
    member(_542,_543) causes: error(existence_error(procedure,member/2),member/2)
    ?-

Now:

    $ scryer-prolog -g "member(X,Ls"
    "member(X,Ls" cannot be read: error(syntax_error(incomplete_reduction),read_term_from_chars/3:0)
    $ scryer-prolog -g "member(X,Ls)"
    member(X,Ls) causes: error(existence_error(procedure,member/2),member/2)
    ?-

This also addresses #1185.
 2023-07-16 14:16:07 +02:00
Nicolas Luck
703efdb22d Make run_input_once/0 match and print all results 2023-07-12 00:03:47 +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
Mark
fba7790637 remove errant debug_hook from read_and_match 2023-07-09 10:30:30 -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
Markus Triska
6525c1f543 print version more readably, addressing #1868 2023-07-08 08:19:05 +02:00
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
9cdad087ef add double_quotes write option for printing to strings, enable it at toplevel 2023-07-03 12:09:05 -06:00
Markus Triska
31030738a4 remove now unneeded check 2023-06-30 22:14:00 +02:00
Mark
caf84a259e check that F in needs_bracketing/2 is an atom 2023-06-30 13:45:45 -06:00
Markus Triska
42282c6e6e remove unneeded case: only operator definitions should count, not quoting 2023-06-30 18:03:21 +02:00
Markus Triska
a3f8ddd24a remove subsumed case: F == Value means Arity =:= 0, now considered above 2023-06-30 18:02:43 +02:00
Markus Triska
bfe808a779 shorten needs_bracketing/2 2023-06-30 18:01:54 +02:00
Markus Triska
28065b0565 constrain bracketing to operators with pertaining arity 
Example:

    ?- X = -->(a,b,c).
       X = -->(a,b,c).
 2023-06-30 18:01:17 +02:00
Markus Triska
db972de40c bracket all operators that are direct operands of (=)/2 
This addresses #804.
 2023-06-30 08:03:38 +02:00
Mark
98b0ab3409 improve call/N implementation (#1829) 2023-06-10 17:32:18 -06:00
Markus Triska
8ab1155fc5 ENHANCED: use call_residue_vars/2 to show all pending constraints 
Example:

    ?- freeze(_, false).
       freeze:freeze(_A,false).

This was originally added in 04ba9bc11a,
then reverted, and is now restored.
 2023-03-30 23:49:33 +02:00
Mark Thom
cc8bb38abc Revert "use new call_residue_vars/2 in toplevel.pl (#847)" 
This reverts commit 04ba9bc11a.
 2023-03-14 21:34:48 -06:00
Mark Thom
04ba9bc11a use new call_residue_vars/2 in toplevel.pl (#847) 2023-03-12 17:56:54 -06:00
Mark Thom
1ffbf63d20 inline metacalls 2022-10-26 23:36:07 -06:00
Markus Triska
47a6b498e3 ENHANCED: "f" on toplevel to report answers up to the next multiple of 5. 
This makes counting solutions easy.
 2022-05-21 18:20:08 +02:00
Mark Thom
8bf3d4ea71 fix tests, use '$first_answer' to print indentation before errors (#1408) 2022-04-09 20:32:52 -06:00
Mark Thom
00eab4d415 print errors as goals (#1408) 2022-04-09 14:01:48 -06:00
Mark Thom
01a9fd9e25 indent plain false (#676) 2022-04-03 20:35:11 -06:00
William Kral
5f1f07e5a1 Add --no-add-history flag 
Flag prevents the input stream from saving terms to ~/.scryer_history
when set. Use the flag when running tests to increase test isolation.
 2022-03-10 21:48:41 -08:00
Markus Triska
9f864574de ADDED: "f" to enumerate the next 5 solutions, similar to GUPU. 2022-03-02 21:05:49 +01:00
Markus Triska
102adb3544 ADDED: "a" to enumerate all solutions 
Example:

    ?- member(X, "hello").
    %@    X = h   <-- press "a"
    %@ ;  X = e
    %@ ;  X = l
    %@ ;  X = l
    %@ ;  X = o
    %@ ;  false.
 2022-03-01 23:52:51 +01:00
Markus Triska
2e57789d10 ENHANCED: Make toplevel output a Prolog term that can be read back also for "...". 
This addresses #1240.
 2022-01-28 18:47:55 +01:00
Mark Thom
97b9d488d4 include library(error) in toplevel.pl (#1226) 2022-01-17 21:53:52 -07:00
Markus Triska
6a610ac57d FIXED: toplevel to use (newly renamed) read_from_chars/2 2022-01-18 01:12:47 +01:00