1.16.3

CHANGES:

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

• Fix compilation on OCaml 5.0.0

1.16.2

CHANGES:

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

• Trace Elaborator:
  • Fix json encoding of utf8 characters
  • Fix runtime_id does not necessarily start at 0

1.16.1

CHANGES:

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

• Tests:
  • Fix temp file creation for trace testing

1.16.0

CHANGES:

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

• Parser:
  • Change the character count in the locations is now referring to the
    beginning of the text, and not the end
• Printer:
  • Fix regression not putting parentheses correctly around some applications
• Doc:
  • Clarify InOut and ioarg doc in the API file
• Trace:
  • New src/trace.atd data type description for traces
  • New src/trace_atd.ts read/write the trace in TypeScript
  • New elpi-trace-elaborator tool to turn raw traces into cards to be
    displayed by a GUI. Work is in progress on the elpi-lang VS Code
    extension.
  • Change the raw trace as output by the runtime is way more regular w.r.t.
    what is printed when a rule, or a built in rule/predicate is run, also
    the runtime_id attribute is now correctly set in all trace objects
  • Fix the trace file is generated only once the trace is complete, so that
    tools can watch for the file creation reliably

1.15.2

CHANGES:

Requires Menhir 20211230 and OCaml 4.07 or above.
Camlp5 8.0 or above is optional.

warning: The parser used by default is not backward compatible with 1.14.x

• Parser:
  • Change pred foo i:A o:B is valid, pred foo i:A o :B is not. This
    change restores backward compatibility of existing code.

1.15.1

CHANGES:

Requires Menhir 20211230 and OCaml 4.07 or above.
Camlp5 8.0 or above is optional.

warning: The parser used by default is not backward compatible with 1.14.x

• Build:

  • Change legacy parser not built by default
  • New make config LEGACY_PARSER=1 to enable it
  • New opam package elpi-option-legacy-parser to install elpi with
    the legacy parser enabled

• Parser:

  • Fix missing infix & (synonym of ,)
  • New comma separator is optional in pred declarations, eg
    pred i:A o:B. is valid syntax

1.15.0

CHANGES:

Requires Menhir 20211230 and OCaml 4.07 or above.
Camlp5 is now optional.

warning: The parser used by default is not backward compatible

• Parser:

  • New parser based on Menhir
    • The grammar is not extensible anymore; token families are used to provide
      open ended infix symbols, see the documentation
    • Custom error messages suggesting examples with a valid syntax
    • Faster on large files
  • Old parser available via -legacy-parser
    • Only compiled when camlp5 is available
    • Supports infix and similar mixfix directives

• API:

  • Parse.goal_from_stream -> Parse.goal_from
  • Parse.program_from_stream -> Parse.program_from
  • Parse.resolve_file now takes an ~elpi argument
  • Setup.init resolver argument takes a ~unit instead of ~file
  • Setup.init takes ?legacy_parser
  • Setup.legacy_parser_avaiable
  • Pp.query -> Pp.program and Pp.goal

• REPL:

  • New -parse-term
  • New -legacy-parser
  • New -legacy-parser-available
  • Removed -print-accumulated-files

1.14.3

CHANGES:

• Tests:
  • test.exe understands --skip-cat
  • make tests understands SKIP for the categories to skip

1.14.2

CHANGES:

• Dependencies:
  • bump camlp5 to >= 8.0

1.14.1

CHANGES:

• Runtime:
  • Fix unification dealing with a deep AppArg (regression in 1.14.0)