newBNF: Convert grammar file into a constant function.
In xegaBNF: Compile a Backus-Naur Form Specification into an R Grammar Object
newBNF R Documentation
Convert grammar file into a constant function.
Description
newBNF() reads a text file and
returns a constant function which returns
the BNF as a character string.
Usage
newBNF(filename, eol = "\n")
Arguments
filename
A file name.
eol
End-of-line symbol(s). Default: "\n"
Details
The purpose of this function is to include examples
of grammars in packages.
Value
Returns a constant function which returns a BNF.
See Also
Other File I/O:
readBNF(),
writeBNF()
Examples
g<-booleanGrammar()
fn<-tempfile()
writeBNF(g, fn)
g1<-newBNF(fn)
unlink(fn)
xegaBNF documentation built on May 29, 2024, 10:23 a.m.
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| newBNF | R Documentation |
Convert grammar file into a constant function.
Description
newBNF() reads a text file and
returns a constant function which returns
the BNF as a character string.
Usage
newBNF(filename, eol = "\n")
Arguments
filename |
A file name. |
eol |
End-of-line symbol(s). Default: |
Details
The purpose of this function is to include examples of grammars in packages.
Value
Returns a constant function which returns a BNF.
See Also
Other File I/O:
readBNF(),
writeBNF()
Examples
g<-booleanGrammar()
fn<-tempfile()
writeBNF(g, fn)
g1<-newBNF(fn)
unlink(fn)
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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