1.19.4

CHANGES:

Requires Menhir 20211230 and OCaml 4.08 or above.

• Stdlib:

  • Add once predicate

• Build:

  • New make tests PROMOTE=true

• Parser:

  • Change purge _build/xxx from paths once files are resolved in order
    to have locs point to the sources and not their copy in _build

1.19.3

CHANGES:

Requires Menhir 20211230 and OCaml 4.08 or above.

• Linter:

  • Fix regex for linearity check, Foo_Bar was silently ignored for
    linearity purpose

• Parser:

  • Fix error message for named quotation

• Runtime:

  • Fix missing restriction

1.19.2

CHANGES:

Requires Menhir 20211230 and OCaml 4.08 or above.

• Builtins:

  • Add choose, min, max, fold and partition methods to OCaml sets
  • Add fold method to OCaml maps

• Stdlib:

  • Fix first argument of std.rev is in input

• Runtime:

  • Fix discrimination tree retrieval

1.19.1

CHANGES:

Requires Menhir 20211230 and OCaml 4.08 or above.

Language:

• New :index (<arg-spec>) "index-type" where the index type can be
  Map, Hash or DTree

Runtime:

• Fix performance regression due to the fix to relocation in unification
  introduced in 1.19.0
• New list flattening in DTree index, that is term app [t1,t2,t3]
  is indexed using the same DTree space/depth of term app t1 t2 t3

1.19.0

CHANGES:

Language:

• Change CHR syntax now accepts any term in eigen variables position E in
  sequent E : _ ?- _. Meaningful terms are lists or unification variables
• Change CHR eigen variables are a list of names (used to be an integer)
• Fix CHR relocation/scope-checking for new goals

1.18.2

CHANGES:

Requires Menhir 20211230 and OCaml 4.08 or above.

Language:

• Change indexing for multiple arguments is now based on discrimination trees
• Change :index acecpts an optional string to force "Hash" based indexing

API:

• Change clause_of_term accepts a `Replace grafting directive

What's Changed

• Discrimination tree on multiple args by @FissoreD in #213
• Expose `Replace in API by @FissoreD in #217
• Update ELPI.md by @gares in #215
• fix chr trace by @gares in #216

Full Changelog: v1.18.1...v1.18.2

1.18.1

CHANGES:

Requires Menhir 20211230 and OCaml 4.08 or above.

Parser:

• Remove legacy parsing engine based on Camlp5

API:

• New RawQuery.compile_ast, lets one set up the initial state in which the
  query is run, even if the query is given as an ast.
• New solution.relocate_assignment_to_runtime to pass a query result
  to another query
• New BuiltInPredicate.FullHO for higher order external predicates
• New BuiltInPredicate.HOAdaptors for map and filter like HO predicates
• New Calc.register to register operators for calc (aka infix is)

Library:

• New std.fold-right

Runtime:

• New clause retrieval through discrimination tree. This new index is enabled
  whenever the :index directive selects only one argument with a depth > 1.

What's Changed

• Add foldr to the elpi builtins by @lukovdm in #203
• API: state updater by @gares in #206
• Indexing via discrimination tree by @FissoreD in #205
• Fix deref assign by @gares in #207
• Api for relocation by @gares in #208
• Update ELPI.md by @gares in #209
• HO api by @gares in #210
• extensible calc by @gares in #211
• Cleanup by @gares in #212

New Contributors

• @lukovdm made their first contribution in #203
• @FissoreD made their first contribution in #205

Full Changelog: v1.18.0...v1.18.1

1.18.0

CHANGES:

Requires Menhir 20211230 and OCaml 4.08 or above.
Camlp5 8.0 or above is optional.

API:

• Change Setup.init takes a ?state, ?quotations and ?hooks descriptors so that
  each elpi handle is completely independent.
• Change State.declare is deprecated in favor of State.declare_component
• New State.declare_component like State.declare but takes a ~descriptor
• New State.new_state_descriptor
• Change Quotations.register_named_quotation now takes a ?descriptor
• Change Quotations.set_default_quotation now takes a ?descriptor
• Change Quotations.declare_backtick now takes a ?descriptor
• Change Quotations.declare_singlequote now takes a ?descriptor
• New Quotations.new_quotations_descriptor
• Change RawData.set_extra_goals_postprocessing now takes a ?descriptor
• New RawData.new_hoas_descriptor

What's Changed

• Allow for multiple calls to API.Setup.init by @gares in #200

Full Changelog: v1.17.4...v1.18.0

1.17.4

CHANGES:

Requires Menhir 20211230 and OCaml 4.08 or above.
Camlp5 8.0 or above is optional.

Parser:

• Fix location handling (used to ignore the char count of the initial loc)

What's Changed

• Fix parser by @gares in #199

Full Changelog: v1.17.3...v1.17.4

1.17.3

CHANGES:

Requires Menhir 20211230 and OCaml 4.08 or above.
Camlp5 8.0 or above is optional.

Builtins:

• Change unix.process really disabled on OCaml 4.12

Full Changelog: v1.17.2...v1.17.3