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introduce bespoke Heap type for in-heap partial strings

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This commit is contained in:
Mark Thom
2024-05-13 18:00:56 -06:00
committed by Mark Thom
parent f7bbdfe73a
commit c0f72704ec
54 changed files with 7836 additions and 7167 deletions
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6
src/lib/builtins.pl
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@@ -125,7 +125,7 @@ call(_, _, _, _, _, _, _, _, _).
%
% The flags that Scryer Prolog support are:
%
% * `max_arity`: The max arity a predicate can have in Prolog. On Scryer is set to 1023. Read only.
% * `max_arity`: The max arity a predicate can have in Prolog. On Scryer is set to 255. Read only.
% * `bounded`: `true` if integer arithmethic is bounded between some min/max values. On Scryer is always set
% to `false` since it supports unbounded integer arithmethic. Read only.
% * `integer_rounding_function`: Describes the rounding donde by `//` and `rem` functions. On Scryer is
@@ -145,8 +145,8 @@ call(_, _, _, _, _, _, _, _, _).
% `fail` (the call silently fails) and `warn` (the call fails and a warning about the undefined predicate is printed).
% * `answer_write_options`: Additional write options used by the top level for writing answers.
%
current_prolog_flag(Flag, Value) :- Flag == max_arity, !, Value = 1023.
current_prolog_flag(max_arity, 1023).
current_prolog_flag(Flag, Value) :- Flag == max_arity, !, Value = 255.
current_prolog_flag(max_arity, 255).
current_prolog_flag(Flag, Value) :- Flag == bounded, !, Value = false.
current_prolog_flag(bounded, false).
current_prolog_flag(Flag, Value) :- Flag == integer_rounding_function, !, Value == toward_zero.