diff options
Diffstat (limited to 'JPratt/src/main/java/bjc/pratt/commands/impls/DenestingCommand.java')
| -rw-r--r-- | JPratt/src/main/java/bjc/pratt/commands/impls/DenestingCommand.java | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/JPratt/src/main/java/bjc/pratt/commands/impls/DenestingCommand.java b/JPratt/src/main/java/bjc/pratt/commands/impls/DenestingCommand.java deleted file mode 100644 index de39e0b..0000000 --- a/JPratt/src/main/java/bjc/pratt/commands/impls/DenestingCommand.java +++ /dev/null @@ -1,49 +0,0 @@ -package bjc.pratt.commands.impls; - -import bjc.pratt.ParserContext; -import bjc.pratt.commands.AbstractInitialCommand; -import bjc.pratt.commands.CommandResult; -import bjc.pratt.commands.CommandResult.Status; -import bjc.pratt.commands.InitialCommand; -import bjc.pratt.tokens.Token; -import bjc.utils.parserutils.ParserException; - -/** - * A command that denests a input tree. - * - * Useful for processing the result of passing a complex parse group to a - * command. - * - * @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 DenestingCommand<K, V, C> extends AbstractInitialCommand<K, V, C> { - private final InitialCommand<K, V, C> wrapped; - - /** - * Create a new transforming initial command. - * - * @param internal - * The initial command to delegate to. - */ - public DenestingCommand(final InitialCommand<K, V, C> internal) { - wrapped = internal; - } - - @Override - protected CommandResult<K, V> intNullDenotation(final Token<K, V> operator, final ParserContext<K, V, C> ctx) - throws ParserException { - CommandResult<K, V> res = wrapped.denote(operator, ctx); - if (res.status != Status.SUCCESS) return res; - return CommandResult.success(res.success().getChild(0)); - } -}
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