makeStartSymbol: Extracts the numerical identifier of the start symbol of the...
In xegaBNF: Compile a Backus-Naur Form Specification into an R Grammar Object
makeStartSymbol R Documentation
Extracts the numerical identifier of the start symbol of the grammar.
Description
makeStartSymbol() returns
the start symbol's numerical identifier
from a specification of a context-free grammar in BNF.
Warning: No error checking implemented.
Usage
makeStartSymbol(BNF, ST)
Arguments
BNF
A character string with the BNF.
ST
A symbol table.
Value
The numerical identifier of the start symbol of the BNF.
Examples
a<-booleanGrammar()$BNF
ST<-makeSymbolTable(a)
makeStartSymbol(a,ST)
xegaBNF documentation built on May 29, 2024, 10:23 a.m.
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| makeStartSymbol | R Documentation |
Extracts the numerical identifier of the start symbol of the grammar.
Description
makeStartSymbol() returns
the start symbol's numerical identifier
from a specification of a context-free grammar in BNF.
Warning: No error checking implemented.
Usage
makeStartSymbol(BNF, ST)
Arguments
BNF |
A character string with the BNF. |
ST |
A symbol table. |
Value
The numerical identifier of the start symbol of the BNF.
Examples
a<-booleanGrammar()$BNF
ST<-makeSymbolTable(a)
makeStartSymbol(a,ST)
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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