diff options
Diffstat (limited to 'JPratt/src/main/java/com/ashardalon/pratt/commands/impls/LeafCommand.java')
| -rw-r--r-- | JPratt/src/main/java/com/ashardalon/pratt/commands/impls/LeafCommand.java | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/JPratt/src/main/java/com/ashardalon/pratt/commands/impls/LeafCommand.java b/JPratt/src/main/java/com/ashardalon/pratt/commands/impls/LeafCommand.java new file mode 100644 index 0000000..886a377 --- /dev/null +++ b/JPratt/src/main/java/com/ashardalon/pratt/commands/impls/LeafCommand.java @@ -0,0 +1,31 @@ +package com.ashardalon.pratt.commands.impls; + +import com.ashardalon.pratt.ParserContext; +import com.ashardalon.pratt.commands.CommandResult; +import com.ashardalon.pratt.commands.InitialCommand; +import com.ashardalon.pratt.tokens.Token; + +import bjc.data.SimpleTree; +import bjc.utils.parserutils.ParserException; + +/** + * A operator that stands for itself. + * + * @author bjculkin + * + * @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 LeafCommand<K, V, C> implements InitialCommand<K, V, C> { + @Override + public CommandResult<K, V> denote(final Token<K, V> operator, final ParserContext<K, V, C> ctx) + throws ParserException { + return CommandResult.success(new SimpleTree<>(operator)); + } +}
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