makeSymbolTable: Build a symbol table from a character string which contains a...
In xegaBNF: Compile a Backus-Naur Form Specification into an R Grammar Object
makeSymbolTable R Documentation
Build a symbol table from a character string which contains a BNF.
Description
makeSymbolTable() extracts all terminal
and non-terminal symbols from a BNF
and builds a data frame with the columns
Symbols (string), NonTerminal (0 or 1), and SymbolId (int).
The symbol "NotExpanded" is added which codes
depth violations of a derivation tree.
Usage
makeSymbolTable(BNF)
Arguments
BNF
A character string with the BNF.
Value
A data frame with the columns
Symbols, NonTerminal, and SymbolID.
Examples
makeSymbolTable(booleanGrammar()$BNF)
xegaBNF documentation built on May 29, 2024, 10:23 a.m.
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| makeSymbolTable | R Documentation |
Build a symbol table from a character string which contains a BNF.
Description
makeSymbolTable() extracts all terminal
and non-terminal symbols from a BNF
and builds a data frame with the columns
Symbols (string), NonTerminal (0 or 1), and SymbolId (int).
The symbol "NotExpanded" is added which codes
depth violations of a derivation tree.
Usage
makeSymbolTable(BNF)
Arguments
BNF |
A character string with the BNF. |
Value
A data frame with the columns
Symbols, NonTerminal, and SymbolID.
Examples
makeSymbolTable(booleanGrammar()$BNF)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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