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150 lines
6.2 KiB
150 lines
6.2 KiB
4 months ago
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=== 1.8.5 / 10-21-10
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* 1 Bug Fix
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- fixed ANTLR3::InteractiveStringStream to work with Ruby 1.9. The lexer main script
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should function in interactive mode for Ruby 1.9 now.
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=== 1.8.4 / 10-08-10
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* 1 Bug Fix
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- removed directory dependency from tasks created by ANTLR3::Task, which caused
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compilation to be performed twice in some situations
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=== 1.8.3 / 10-08-10
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* 2 Bug Fixes
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- fixed typo in TokenRewriteStream#cast_range
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- added work-around code to handle the lack of support for StopIteration in Rubinius
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=== 1.8.2 / 10-02-10
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* Bug Fix: removed references to Parser#token_stream
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- changed references to Parser#token_stream to Parser#input in `antlr3/profile.rb' to
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avoid "private method token_stream called" errors in profile mode
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* Minor Enhancement: new samples included with the distribution
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- added a newly developed `samples/JavaScript.g' file for parsing JavaScript.
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While not entirely complete and flawless, it does a pretty good job
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of parsing JavaScript up through Firefox's 1.6 version of the language.
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- included the `samples/standard' directory with the package distribution,
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which has been in the development repository for a while, but I never
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updated the package spec to include these files.
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=== 1.8.0 / 07-03-10
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* Bug Fix / Major Enhancement: made antlr3 compatible with ruby 1.9
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- altered ANTLR3::StringStream to always have #peek return an integer in both
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Ruby 1.8 and 1.9. In 1.9, @data is now an array of code point values and
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the new instance variable @string contains the actual string. In Ruby 1.8,
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both @data and @string contain the string value.
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- lexer code is no longer generated using '?c' character syntax; characters
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are now represented as hexadecimal integers to make the code compatible
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with Ruby 1.9
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=== 1.7.5 / 06-18-10
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* Minor Enhancements
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- added #compile! and #clobber! methods to directly invoke the 'compile'
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and 'clobber' tasks respectively
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* Bug Fixes
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- removed special ruby-stylistic formatting on syntactic predicate method names to
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fix a bad bug in code-generation that cropped up in more complex grammars
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=== 1.7.2 / 05-16-10
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* Minor Enhancements
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- added new #hold convenience method to ANTLR3::CommonTokenStream
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* Bug Fixes
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- corrected a typo in ANTLR3::Error#FailedPredicate which caused a
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NoMethodError to raise instead of FailedPredicate when semantic
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predicates failed
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* Documentation
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- added more content to the ruby antlr3 guide
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- set up an official project website at
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http://antlr.ohboyohboyohboy.org
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=== 1.7.0 / 04-20-10
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* Minor Enhancements
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- added new #each_on_channel and #walk convenience methods to ANTLR3::CommonTokenStream
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* Bug Fixes
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- discovered and fixed a rare but serious bug in the way the output code evaluates
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syntactic predicates
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* Documentation
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- began developing a more thorough usage guide for the package
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- the guide is currently available on GitHub at
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http://ohboyohboyohboy.github.com/antlr3
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=== 1.6.3 / 02-12-10
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* 4 Minor Enhancements
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- added --help and --version options to antlr4ruby
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- documented the antlr4ruby source and added license information
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- prettied up the source code in all of the library files a little
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- added a hoe-based rakefile with the gem distribution of the source code
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=== 1.6.0 / 01-27-10
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* 4 Minor Enhancements to runtime library
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- CommonTokenStream and subclasses can now also accept another CommonTokenStream
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object, serving sort of as a copy constructor. This provides a reasonable way
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to cast a CommonTokenStream into a TokenRewriteStream and vice-versa
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- CommonTreeNodeStream can take an options hash at the end of any of its various
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signatures to provide values for attributes like token_stream
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- If a parser is created with a CharacterStream object (i.e., StringStream), it
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will also try to cast it by checking for an associated lexer (like it currently
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does when created with String or IO objects).
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- Template-output mode parsers have a new class method "load_templates( path )"
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which will attempt to load the template group file at +path+ and, if successful,
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set it to the parser's default template library. (See the CMinus example set for
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an example of how this can be used)
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* 2 bug fixes / 1 change to templates
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- backtracking was broken in situations where recognition failed when
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a semantic predicate was encountered as the template code did not
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throw BacktrackingFailed when it was in backtracking mode instead of
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PredicateFailed
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- rule memoization also had a major bug in that rules that were memoized
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after failure did not throw BacktrackingFailed when it was needed
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- I changed `attribute scope' structures (not rule return scopes, but
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the groups of attributes you can assign to rules with the `scope' keyword),
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from being implemented as named constants in the class body to class
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variables belonging to the recognizer. As class variables do not need
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to follow naming conventions, this provides more freedom in naming without
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all of the ugly name mangling. These are generally used privately by parsers,
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so it shouldn't be too drastic of a change as to break end user's code.
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=== 1.5.0 / 01-25-10
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* 2 minor enhancements
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- Added BaseTree#walk, which iterates in a top-down fashion across all notes in a tree.
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- Added BaseTree#prune, which stops decent into the current node during BaseTree#walk.
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* 1 optimization
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- changed `closure loops' ( uses of the `*' or `+' modifiers ) from using
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Kernel#loop to `while true ... end' style loops, which should be slightly
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faster
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* new test code
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- test/functiona/template-output/template-output.rb serves as a basic
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functional test implementation for the new template output mode
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=== 1.4.0 / 01-17-10
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* 1 major new feature
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- finished basic implementation of a template output mode.
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- lib/antlr3/template.rb defines a number of classes for
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ERB-based template output translation
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- templates/ST.stg defines the Ruby target templates to
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generate template output mode recognizers
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* new test code
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- added template unit tests at test/unit/test-template.rb
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- test/functional/template-output/template-output.rb serves as a basic
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functional test implementation for the new template output mode
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