diff options
Diffstat (limited to 'JPratt/src/main/java/bjc/pratt/commands/BinaryCommand.java')
| -rw-r--r-- | JPratt/src/main/java/bjc/pratt/commands/BinaryCommand.java | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/JPratt/src/main/java/bjc/pratt/commands/BinaryCommand.java b/JPratt/src/main/java/bjc/pratt/commands/BinaryCommand.java index 9cc4dc1..0b790ff 100644 --- a/JPratt/src/main/java/bjc/pratt/commands/BinaryCommand.java +++ b/JPratt/src/main/java/bjc/pratt/commands/BinaryCommand.java @@ -12,31 +12,38 @@ import bjc.utils.parserutils.ParserException; * @author bjculkin * * @param <K> - * The key type of the tokens. + * The key type of the tokens. * * @param <V> - * The value type of the tokens. + * The value type of the tokens. * * @param <C> - * The state type of the parser. + * The state type of the parser. */ public abstract class BinaryCommand<K, V, C> extends BinaryPostCommand<K, V, C> { /** * Create a new binary operator with the specified precedence. * * @param precedence - * The precedence of the operator. + * The precedence of the operator. */ public BinaryCommand(final int precedence) { super(precedence); } + /** + * The right-binding power (right-precedence) of this command. + * + * @return The right binding power of this command. + */ protected abstract int rightBinding(); @Override - public ITree<Token<K, V>> denote(final ITree<Token<K, V>> operand, final Token<K, V> operator, - final ParserContext<K, V, C> ctx) throws ParserException { - final ITree<Token<K, V>> opr = ctx.parse.parseExpression(rightBinding(), ctx.tokens, ctx.state, false); + public ITree<Token<K, V>> denote(final ITree<Token<K, V>> operand, + final Token<K, V> operator, final ParserContext<K, V, C> ctx) + throws ParserException { + final ITree<Token<K, V>> opr + = ctx.parse.parseExpression(rightBinding(), ctx.tokens, ctx.state, false); return new Tree<>(operator, operand, opr); } |