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Published 3 years ago • verified publisherlukas-renggli.chDart 3 incompatible• Latest: 6.0.2
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A dynamic parser framework to build efficient grammars and parsers quickly.

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Changelog #

4.0.0 #

  • Dart 2.10 requirement and null-safety.
  • Success.message throws an UnsuppotedError exception, instead of returning null.
  • DelegateParser has been made abstract to avoid a concrete class in-between abstract classes.
  • Parser.delegate() has been removed, use Parser.settable() as an equivalent replacement.
  • Parser.optional() is now returning Parser<T?>, to provide a non-null default value use Parser.optionalWith(T value).
  • Parser.not() is now returning the failure Parser<Failure<T>> as success value, instead of null.
  • epsilon() is now returning Parser<void>, to provide a non-null default value use epsilonWith(T value).

3.1.0 #

  • Fix missing type information on eof and failure parser.
  • Optimize character predicates by using lookup tables.
  • Improvements to documentation and examples.

3.0.0 #

  • Dart 2.7 compatibility and requirement (extension methods).
  • New features:
    • String.toParser() enables creating efficient string and character parsers more easily.
    • Iterable.toChoiceParser() and Iterable.toSequenceParser() enables creating parsers from collections more easily.
    • Parser.callCC(Function) enables capturing a parse continuation more easily.
  • Restructure the internal code to be more modular:
    • The Parser class now only defines a few core methods, everything else is an extension method.
    • As long as you continue to import package:petitparser/petitparser.dart none of the changes should affect existing code.
    • Parser implementations have been moved to package:petitparser/parser.dart.
    • Helpers to parse and extract data has been moved to package:petitparser/matcher.dart.
    • The expression builder has been moved to package:petitparser/expression.dart.
    • The grammar builder has been moved topackage:petitparser/definition.dart.
  • Breaking changes:
    • Parser is no longer a Pattern, but can be converted to one with toPattern.
    • anyIn has been removed in favor of the already existing and equivalent anyOf parser.
    • pick and permute are defined on Parser<List>, thus they won't be available on the more generic Parser<dynamic> any longer. Prefix the operators with a castList operator.

2.5.0 #

  • Made ParserError a FormatException to follow typical Dart exception style.

2.4.0 #

  • Dart 2.4 compatibility and requirement.
  • More tight typing, more strict linter rules.
  • Documentation improvements.

2.3.0 #

  • Dart 2.3 compatibility and requirement.
  • The expression builder supports building expression with parenthesis.
  • Improved the documentation on greedy and lazy parsers.
  • Add a prolog parser and interpreter example.
  • Numerous optimizations and improvements.

2.2.0 #

  • Dart 2.2 compatibility and requirement.
  • Parser implements the Pattern interface.
  • Add an example of the expression builder to the tutorial.
  • Introduce a fast-parse mode that avoids unnecessary memory allocations during parsing.

2.1.0 #

  • Rename ParserError to ParserException, and make it an Exception.
  • Simplify the EndOfInputParser and the ListParser.
  • Add a PositionParser that produces the current input position.
  • Constructor assertions across the stack.

2.0.0 #

  • Make parsers fully typed, where it makes sense.
    • In most cases this should have no effect on existing code, but sometimes can point out actual bugs.
    • In rare cases, it might be necessary to insert cast<R> or castList<R> at the appropriate places.
  • Move examples into their own example package.

1.8.0 #

  • Drop Dart 1.0 compatibility.

1.7.6 #

  • More Dart 2 strong mode fixes.

1.7.5 #

  • Dart 2.0 strong mode compatibility.
  • Removed deprecated code, and empty beta package.
  • Reformatted all code using dartfmt.

1.7.0 #

  • Dart 2.0 compatibility.
  • Fixed numerous analyzer warnings.
  • Generate better default error messages.
  • Moved example grammars to examples.

1.6.1 #

  • Fix bug with duplicated package name.
  • Update documentation.

1.6.0 #

  • Migrate to micro libraries.
  • Move Smalltalk, Json, Dart and Lisp grammars to examples.

1.5.5 #

  • Strict typing fixes.

1.5.4 #

  • Fix analyzer warnings.
  • Fix package dependencies.

1.5.3 #

  • Dev compiler support.

1.5.2 #

  • Enable strong mode.

1.5.1 #

  • Improve the Dart parser and add more tests.

1.5.0 #

  • Update documentation to match the style guide.
  • Change library names.
  • Add optimizations and tests for the Dart language grammar.
  • Improve comments.
  • Better error-handling and primitives for Lisp command line app.
  • Fix unicode parsing in the JSON parser.
  • Add browser back to dev_dependencies.

1.4.3 #

  • Restore the CompositeParser class.
  • Add more references to open source projects using PetitParser.

1.4.2 #

  • Integrate the tutorial into the README.
  • Improve formatting of README code blocks.

1.4.1 #

  • Improve test coverage.
  • Bump minimum SDK to 1.8.0.
  • Remove deprecated CompositeParser class.

1.4.0 #

  • Migrate from unittest to test.
  • Setup Travis.
  • Allow for const GrammarDefinitions.
  • Fix typo in docs.
  • Clean up the JSON grammar.
  • Format the benchmarks.

1.3.7 #

  • Cleanup dependencies:
    • browser is now >=0.10.0 <0.11.0.
    • unittest is now >=0.11.0 <0.12.0.
    • Remove explicit dependency on matcher package.
  • Make the JSON parser twice as fast.
  • Reformat tests.

1.3.6 #

  • Add a benchmark for JSON native vs PetitParser.

1.3.5 #

  • Change hasEqualProperties to gracefully handle parsers of inconsistent types.

1.3.4 #

  • Format source code.
  • Add missing documentation.

1.3.3 #

  • Performance optimizations

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A dynamic parser framework to build efficient grammars and parsers quickly.

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