From 5008c26a604876bcad09c868aa2ec4a2c8b64e35 Mon Sep 17 00:00:00 2001 From: bjculkin Date: Fri, 31 Mar 2017 08:54:20 -0400 Subject: Move Pratt Parser to new project --- .../pratt/commands/DefaultNonInitialCommand.java | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 JPratt/src/main/java/bjc/utils/parserutils/pratt/commands/DefaultNonInitialCommand.java (limited to 'JPratt/src/main/java/bjc/utils/parserutils/pratt/commands/DefaultNonInitialCommand.java') diff --git a/JPratt/src/main/java/bjc/utils/parserutils/pratt/commands/DefaultNonInitialCommand.java b/JPratt/src/main/java/bjc/utils/parserutils/pratt/commands/DefaultNonInitialCommand.java new file mode 100644 index 0000000..887dd25 --- /dev/null +++ b/JPratt/src/main/java/bjc/utils/parserutils/pratt/commands/DefaultNonInitialCommand.java @@ -0,0 +1,32 @@ +package bjc.utils.parserutils.pratt.commands; + +import bjc.utils.data.ITree; +import bjc.utils.parserutils.pratt.NonInitialCommand; +import bjc.utils.parserutils.pratt.ParserContext; +import bjc.utils.parserutils.pratt.Token; + +/** + * Default implementation of a non-initial command. + * + * @author EVE + * + * @param + * The key type of the tokens. + * + * @param + * The value type of the tokens. + * + * @param + * The state type of the parser. + */ +public class DefaultNonInitialCommand extends NonInitialCommand { + @Override + public ITree> denote(ITree> operand, Token operator, ParserContext ctx) { + throw new UnsupportedOperationException("Default command has no left denotation"); + } + + @Override + public int leftBinding() { + return -1; + } +} -- cgit v1.2.3