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package bjc.pratt;
import bjc.pratt.tokens.TokenStream;
/**
* Represents the contextual state passed to a command.
*
* @author EVE
*
* @param <K>
* The key type of the tokens.
* @param <V>
* The value type of the tokens.
*
* @param <C>
* The state type of the parser.
*/
public class ParserContext<K, V, C> {
/**
* The source of tokens.
*/
public TokenStream<K, V> tokens;
/**
* The parser for sub-expressions.
*/
public PrattParser<K, V, C> parse;
/**
* The state of the parser.
*/
public C state;
/**
* The initial command for the current expression.
*/
public K initial;
/**
* Create a new parser context.
*
* @param tokns
* The source of tokens.
*
* @param prse
* The parser to call for sub expressions.
*
* @param stte
* Any state needing to be kept during parsing.
*/
public ParserContext(final TokenStream<K, V> tokns, final PrattParser<K, V, C> prse, final C stte) {
tokens = tokns;
parse = prse;
state = stte;
}
}
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