id2symb: Convert a numeric identifier to a symbol.
In xegaBNF: Compile a Backus-Naur Form Specification into an R Grammar Object
id2symb R Documentation
Convert a numeric identifier to a symbol.
Description
id2symb() converts a numeric id to a symbol.
Usage
id2symb(Id, ST)
Arguments
Id
A numeric identifier (integer).
ST
A symbol table.
Value
A symbol string if the identifier exists or
an empty character string (character(0))
if the identifier
does not exist.
See Also
Other Utility Functions:
derive(),
isNonTerminal(),
isTerminal(),
rules(),
symb2id()
Examples
g<-compileBNF(booleanGrammar())
id2symb(1, g$ST)
id2symb(2, g$ST)
id2symb(5, g$ST)
id2symb(12, g$ST)
id2symb(15, g$ST)
identical(id2symb(15, g$ST), character(0))
xegaBNF documentation built on May 29, 2024, 10:23 a.m.
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| id2symb | R Documentation |
Convert a numeric identifier to a symbol.
Description
id2symb() converts a numeric id to a symbol.
Usage
id2symb(Id, ST)
Arguments
Id |
A numeric identifier (integer). |
ST |
A symbol table. |
Value
A symbol string if the identifier exists or
an empty character string (
character(0)) if the identifier does not exist.
See Also
Other Utility Functions:
derive(),
isNonTerminal(),
isTerminal(),
rules(),
symb2id()
Examples
g<-compileBNF(booleanGrammar())
id2symb(1, g$ST)
id2symb(2, g$ST)
id2symb(5, g$ST)
id2symb(12, g$ST)
id2symb(15, g$ST)
identical(id2symb(15, g$ST), character(0))
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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