plasp/CHANGELOG.md

Changelog

(unreleased)

3.1.1 (2017-11-25)

Bug Fixes

• fixes ASP syntax issues caused by hyphens in variable names by replacing all user-defined variables with X1, X2, etc.

3.1.0 (2017-11-17)

Changes

• new command-line interface based on plasp commands:
  • plasp translate: translate PDDL and SAS to ASP facts (replaces former, plain plasp calls)
  • plasp normalize: normalize PDDL to plasp’s custom PDDL format
  • plasp check-syntax: check the syntax of PDDL specifications
  • plasp beautify: cleanly format PDDL specifications
• new output format to accommodate for new PDDL features

Features

• extended PDDL 3.1 support:
  • arbitrarily nested expressions in preconditions, effects, and goal description (via derived predicates)
  • universal and existential quantifiers
  • disjunctions
  • conditional effects
  • implications
  • equality (parser only)
• new output option --log-level to control which status messages to show
• new basic option --warnings-as-errors to abort program execution upon warnings (replaces --warning-level)
• new compatibility mode for parser to support more legacy domains
• new parser option --parsing-mode to specify whether to apply strict or compatibility parsing rules

Internal

• PDDL parser reimplemented from scratch in stand-alone pddl library
• removes dependency to Boost

3.0.3 (2016-09-02)

Bug Fixes

• fixes incorrect output format of conditional effects with SAS
• fixes parsing issue with unexpected whitespaces in SAS files

3.0.2 (2016-08-18)

Features

• unified translation format for SAS and PDDL files
• documentation of plasp’s output format
• improved output syntax highlighting
• uses ASP string literals to avoid escaping PDDL identifiers

Bug Fixes

• fixes minor formatting issues in SAS translation
• fixes issue with unsupported expression negations

3.0.1 (2016-06-14)

Features

• basic support for parsing PDDL 3.1 domains and problems
• limited support for translating PDDL 3.1 domains and problems to ASP facts
• automatic language detection for PDDL and SAS
• supports input from std::cin
• supports colorized output
• new command-line option --language to explicitly specify input language
• new command-line option --warning-level to treat warnings as errors or to ignore warnings
• new command-line option --color to autodetect, enable, or disable color output

Bug Fixes

• fixes bug in translation of SAS axiom rules

3.0.0 (2016-05-24)

Features

• parses SAS files created with Fast Downward
• experimental translation from SAS to ASP facts