LRGen: LR(1) parser generator


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Comparison: LRGen vs ANTLR vs Bison

LRGen LRStar ANTLR Bison
LL(k) Parsers (recursive descent) no no yes no
LALR(1) Parsers no yes no yes
Canonical LR(1) Parsers yes no no yes
Minimal LR(1) Parsers no yes no yes
Minimal LR(k) Parsers no yes no no
GLR Parsers no no no yes
EBNF grammar notation yes yes yes no
Grammar is independent from code yes yes yes no
Symbol-Table Builder yes yes yes no
Automatic AST Construction yes yes parse treeno
C++ Output yes yes yes yes
C# Output no no yes no
Java Output no no yes yes
License fee free ??? free free

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