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pass more conformity tests

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This commit is contained in:
Mark Thom
2019-04-01 23:08:03 -06:00
parent 82ff29c496
commit 98f9027b2e
2 changed files with 8 additions and 3 deletions
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2
Cargo.toml
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@@ -1,6 +1,6 @@
[package]
name = "scryer-prolog"
version = "0.8.36"
version = "0.8.37"
authors = ["Mark Thom <markjordanthom@gmail.com>"]
repository = "https://github.com/mthom/scryer-prolog"
description = "A modern Prolog implementation written mostly in Rust."

9
src/prolog/lib/builtins.pl
View File

@@ -738,9 +738,10 @@ op_specifier(OpSpec) :- atom(OpSpec),
).
op_specifier(OpSpec) :- throw(error(type_error(atom, OpSpec), op/3)).
valid_op(Op) :- atom(Op),
valid_op(Op) :- atom(Op),
( Op == (,) -> throw(error(permission_error(modify, operator, (,)), op/3)) % 8.14.3.3 j), k).
; Op == '|' -> throw(error(permission_error(create, operator, (|)), op/3)) % www.complang.tuwien.ac.at/ulrich/iso-prolog/conformity_testing#72
; Op == {} -> throw(error(permission_error(create, operator, {}), op/3))
; Op == [] -> throw(error(permission_error(create, operator, []), op/3))
; true
).
@@ -750,6 +751,10 @@ op(Priority, OpSpec, Op) :-
( var(Priority) -> throw(error(instantiation_error, op/3)) % 8.14.3.3 a)
; var(OpSpec) -> throw(error(instantiation_error, op/3)) % 8.14.3.3 b)
; var(Op) -> throw(error(instantiation_error, op/3)) % 8.14.3.3 c)
; Op == '|' -> ( op_priority(Priority), op_specifier(OpSpec),
lists:member(OpSpec, [xfx, xfy, yfx]), Priority >= 1001
-> '$op'(Priority, OpSpec, Op)
; throw(error(permission_error(create, operator, (|)), op/3))) % www.complang.tuwien.ac.at/ulrich/iso-prolog/conformity_testing#72
; valid_op(Op), op_priority(Priority), op_specifier(OpSpec) ->
'$op'(Priority, OpSpec, Op)
; list_of_op_atoms(Op), op_priority(Priority), op_specifier(OpSpec) ->