antlr4
https://github.com/antlr/antlr4
Java
ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
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- Issues
- ANTLR tool takes 6s to process 1772 line parser grammar
- New SLL_OR_LL prediction mode
- Cpp : use UnbufferedCharStream cannot release useless antlr4::ParserRuleContext instance ( _localctx ) in time
- CSharp and Java producing different error messages for expected tokens
- net45 assembly missing from Antlr4.Runtime.Standard 4.10.1 nuget package
- Optimize `Contains` call for all runimes (O(N) -> O(log(N))
- CharStreams.fromChannel(ReadableByteChannel, Charset) ignores the given character set
- fragment rules should be inlined in ATN
- Java ANTLRFileStream(fn, UTF-8) fails
- Save DFA for faster parser start up
- Docs
- Java not yet supported