forked from jasder/antlr
208 lines
6.2 KiB
Plaintext
208 lines
6.2 KiB
Plaintext
ANTLR v4 Honey Badger
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January 14, 2013
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* Relax parser in favor of errors during semantic analysis
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* Add error 145: lexer mode must contain at least one non-fragment rule
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* Add error 146: non-fragment lexer rule can match the empty string
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January 11, 2013
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* Updated error 72, 76; added 73-74 and 136-143: detailed errors about name
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conflicts
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* Report exact location for parameter/retval/local name conflicts
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* Add error 144: multi-character literals are not allowed in lexer sets
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* Error 134 now only applies to rule references in lexer sets
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* Updated error messages (cleanup)
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* Reduce size of _serializedATN by adding 2 to each element: new representation
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avoids embedded values 0 and 0xFFFF which are common and have multi-byte
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representations in Java's modified UTF-8
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January 10, 2013
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* Add error 135: cannot assign a value to list label: $label
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(fixes antlr/antlr4#128)
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January 2, 2013
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* Fix EOF handling (antlr/antlr4#110)
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* Remove TREE_PARSER reference
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* Additional validation checks in ATN deserialization
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* Fix potential NPE in parser predicate evaluation
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* Fix termination condition detection in full-context parsing
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January 1, 2013
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* Updated documentation
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* Minor code cleanup
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* Added the `-XdbgSTWait` command line option for the Tool
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* Removed method override since bug was fixed in V3 runtime
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December 31, 2012
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* I altered Target.getTargetStringLiteralFromANTLRStringLiteral() so that
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it converts \uXXXX in an ANTLR string to \\uXXXX, thus, avoiding Java's
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conversion to a single character before compilation.
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December 16, 2012
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* Encapsulate some fields in ANTLRMessage
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* Remove ErrorType.INVALID
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* Update error/warning messages, show all v3 compatibility messages
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December 12, 2012
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* Use arrays instead of HashSet to save memory in SemanticContext.AND/OR
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* Use arrays instead of HashSet to save memory in cached DFA
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* Reduce single-operand SemanticContext.and/or operations
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December 11, 2012
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* Add -long-messages option; only show exceptions with errors when set
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* "warning treated as error" is a one-off error
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* Listen for issues reported by StringTemplate, report them as warnings
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* Fix template issues
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* GrammarASTWithOptions.getOptions never returns null
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* Use EnumSet instead of HashSet
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* Use new STGroup.GROUP_FILE_EXTENSION value
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December 2, 2012
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* Remove -Xverbose-dfa option
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* Create the ParseTreeVisitor interface for all visitors, rename previous base
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visitor class to AbstractParseTreeVisitor
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December 1, 2012
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* escape [\n\r\t] in lexical error messages; e.g,:
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line 2:3 token recognition error at: '\t'
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line 2:4 token recognition error at: '\n'
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* added error for bad sets in lexer; e.g.:
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lexer set element A is invalid (either rule ref or literal with > 1 char)
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some tests in TestSets appeared to allow ~('a'|B) but it was randomly working.
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('a'|B) works, though doesn't collapse to a set.
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* label+='foo' wasn't generating good code. It was generating token type as
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variable name. Now, I gen "s<ttype>" for implicit labels on string literals.
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* tokens now have token and char source to draw from.
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* remove -Xsave-lexer option; log file as implicit lexer AST.
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November 30, 2012
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* Maven updates (cleanup, unification, and specify Java 6 bootstrap classpath)
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November 28, 2012
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* Maven updates (uber-jar, manifest details)
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November 27, 2012
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* Maven updates (prepare for deploying to Sonatype OSS)
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* Use efficient bitset tests instead of long chains of operator ==
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November 26, 2012
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* Maven updates (include sources and javadocs, fix warnings)
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* Don't generate action methods for lexer rules not containing an action
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* Generated action and sempred methods are private
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* Remove unused / problematic methods:
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** (unused) TerminalNodeImpl.isErrorNode
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** (unused) RuleContext.conflictsWith, RuleContext.suffix.
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** (problematic) RuleContext.hashCode, RuleContext.equals.
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November 23, 2012
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* Updated Maven build (added master POM, cleaned up module POMs)
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November 22, 2012
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* make sure left-recur rule translation uses token stream from correct imported file.
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* actions like @after in imported rules caused inf loop.
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* This misidentified scope lexer/parser: @lexer::members { } @parser::members { }
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November 18, 2012
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* fixed: undefined rule refs caused exception
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* cleanup, rm dead etypes, add check for ids that cause code gen issues
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* added notion of one-off error
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* added check for v3 backward incompatibilities:
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** tree grammars
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** labels in lexer rules
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** tokens {A;B;} syntax
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** tokens {A='C';} syntax
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** {...}?=> gate semantic predicates
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** (...)=> syntactic predicates
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* Detect EOF in lexer rule
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November 17, 2012
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* .tokens files goes in output dir like parser file.
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* added check: action in lexer rules must be last element of outermost alt
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* properly check for grammar/filename difference
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* if labels, don't allow set collapse for
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a : A # X | B ;
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* wasn't checking soon enough for rule redef; now it sets a dead flag in
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AST so no more walking dup.
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error(51): T.g:7:0: rule s redefinition (ignoring); previous at line 3
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November 11, 2012
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* Change version to 4.0b4 (btw, forgot to push 4.0b3 in build.properties when
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I made git tag 4.0b3...ooops).
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November 4, 2012
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* Kill box in tree dialog box makes dialog dispose of itself
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October 29, 2012
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* Sam fixes nongreedy more.
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* -Werror added.
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* Sam made speed improvement re preds in lexer.
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October 20, 2012
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* Merged Sam's fix for nongreedy lexer/parser. lots of unit tests. A fix in
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prediction ctx merge. https://github.com/parrt/antlr4/pull/99
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October 14, 2012
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* Rebuild how ANTLR detects SLL conflict and failover to full LL. LL is
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a bit slower but correct now. Added ability to ask for exact ambiguity
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detection.
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October 8, 2012
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* Fixed a bug where labeling the alternatives of the start rule caused
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a null pointer exception.
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October 1, 2012 -- 4.0b2 release
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September 30, 2012
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* Fixed the unbuffered streams, which actually buffered everything
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up by mistake. tweaked a few comments.
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* Added a getter to IntStream for the token factory
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* Added -depend cmd-line option.
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September 29, 2012
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* no nongreedy or wildcard in parser.
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September 28, 2012
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* empty "tokens {}" is ok now.
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September 22, 2012
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* Rule exception handlers weren't passed to the generated code
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* $ruleattribute.foo weren't handled properly
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* Added -package option
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September 18, 2012 -- 4.0b1 release
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