NEWS

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xegaBNF 1.0.0.5 (2025-04-17)

• dataframePT(): Return a production table as a (readable) dataframe.

xegaBNF 1.0.0.4

• preBNF(): Preprocessor for macros (R-code) in grammar files. Uses pastePart(), evenMacro(), exsistMacro()

xegaBNF 1.0.0.3

• bindKvariables(): Helper for assigning variables to values (semantics)
• variableNamesBNF(): Generate k BNF rules for variables.
• variableNamesLHS(): Generate an EBNF rule for k variables.

xegaBNF 1.0.0.2

• compileShortPT(): provides for each non-terminal symbol at least one production rule which generates a list of one or more terminal symbols.
• BNFhelpers.R: The functions needed for compileShortPT().
• printPT(): Print a production table in symbolic form.

xegaBNF 1.0.0.1

• Documentation improved.
• newBNF(): eol are changed into spaces. Reason: Grammar symbols are separated by blanks.