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Parse EBNF: Difference between revisions
antlr notation
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Create a simple parser for EBNF grammars.
[http://karmin.ch/ebnf/index Here] is an ebnf grammar in itself and a parser for it in php.
* Use antlr notation for the ebnf grammars.
* You can use regular expressions for lexing.
* Generate the calculator in [[Arithmetic evaluation]] using an EBNF description of the calculator.
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