rishi/scryer-prolog
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ca0d4e9aac7c96f84649e26064d996c04b27b243
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116 Commits

Author SHA1 Message Date
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
Nicolas Luck
8a0685a3e9 Debug print value of register 6 which leads to failing heap dereference 2023-08-30 20:01:56 +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
Mark
af44d91568 Merge branch 'dashu' of https://github.com/coasys/scryer-prolog into coasys-dashu 2023-07-24 11:47:57 -06:00
Mark
85bc544fb9 dereference TermWriteResult variables sooner in read_term_body (#1894) 2023-07-18 15:39:51 -06:00
Mark
56f6772422 call write_read_term_options if read_term_from_chars/3 succeeds by unifying Term to end_of_file (#1892) 2023-07-18 12:15:20 -06:00
Mark
42a50474da remove read/{1,2} as a builtin, write read options upon EOF, throw better domain errors in parse_read_term_options/2 2023-07-17 16:45:03 -06:00
Mark
cf367024fd add specialized EOF handling for user input (#1892) 2023-07-17 14:38:26 -06:00
Mark
a154a34f87 omit anonymous variables from read_term variable_names and singletons lists 2023-07-17 13:20:10 -06:00
Mark
86c90d77dd do a better job handling EOF in read_term (#1887) 2023-07-17 13:19:30 -06:00
Fayeed Pawaskar
cf345d8174 wip dashu move 2023-07-17 20:40:41 +05:30
Mark
de10ccfdee re-factor options handling of read_term into read_term_body (#1887) 2023-07-15 21:52:54 -06:00
Mark
4fd37335f5 use lookahead to skip inapplicable clauses (#1028, #1502) 2023-07-12 14:39:02 -06:00
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
067b5998ee clarify EOF error across stream types and predicates (#1867, #1870) 2023-07-08 13:38:52 -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
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
Mark
c36bd4dc07 introduce CutPoint heap tag so that they can be offset by call_continuation/1 2023-06-29 12:14:15 -06:00
Mark
749dedf477 read from machine stack in stackful pre-order iterator (#1812) 2023-06-23 14:11:31 -06:00
Mark
e0f49e8f43 optionally read from machine stack in stackful pre-order iterator (#1812) 2023-06-23 14:11:31 -06:00
Mark
8e4465315f use same logic to print Chars and Atoms (#1804) 2023-06-23 14:11:31 -06:00
Mark
0e583d620a implement new disjunction compilation 2023-06-23 14:11:31 -06:00
Mark Thom
b9c9de5222 add classifications and occurrence counting 2023-06-23 13:54:46 -06:00
Mark Thom
a7e93db363 improve retract/1 and related predicates (#1598) 2023-01-22 21:04:41 -07:00
Mark Thom
cf63e8375d track attr_var_init lengths on the stack (#1667) 2022-12-16 20:10:17 -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
140149f051 fix crash in read_term (#1616) 2022-10-26 23:36:07 -06:00
Mark Thom
1ffbf63d20 inline metacalls 2022-10-26 23:36:07 -06:00
Mark Thom
bef8eb538c throw a representation error if max arity is exceeded (#1483) 2022-05-22 00:03:55 -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
9cefb33388 correct loading of variable name strings in write_term/3 2022-03-08 22:00:12 -07:00
Mark Thom
f3f3dccf8e reference partial strings properly in read_term (#1271) 2022-02-06 15:14:18 -07:00
Mark Thom
37e34c5209 reset instruction pointers with calls, make HCPrinter::range_from safe (#1233) 2022-01-31 21:24:19 -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
06313cac64 update README.md 2022-01-07 00:17:17 -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
708c3bc3ce dereference first argument of (is)/2 2022-01-06 21:44:41 -07:00
Mark Thom
b24df6e195 properly iterate over read terms in MachineState::read_term 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
975c1ca62c fix stream errors 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
9d06229cba create read_term/3 variable lists in order of variable occurrence within terms 2021-12-23 13:31:49 -07:00
Mark Thom
5d2b0377d8 reset attributed variables queue when backtracking (#678, etc.) 2021-09-27 19:12:24 -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