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package bjc.utils.parserutils.pratt.commands;
import bjc.utils.data.ITree;
import bjc.utils.data.Tree;
import bjc.utils.parserutils.ParserException;
import bjc.utils.parserutils.pratt.ParserContext;
import bjc.utils.parserutils.pratt.Token;
public class PostCircumfixCommand<K, V, C> extends BinaryPostCommand<K, V, C> {
private int insidePrec;
private K term;
private Token<K, V> mark;
public PostCircumfixCommand(int leftPower, int insidePower, K terminator, Token<K, V> marker) {
super(leftPower);
insidePrec = insidePower;
term = terminator;
mark = marker;
}
@SuppressWarnings("unchecked")
@Override
public ITree<Token<K, V>> denote(ITree<Token<K, V>> operand, Token<K, V> operator,
ParserContext<K, V, C> ctx) throws ParserException {
ITree<Token<K, V>> inside = ctx.parse.parseExpression(insidePrec, ctx.tokens, ctx.state, false);
ctx.tokens.expect(term);
return new Tree<>(mark, operand, inside);
}
}
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