From 0f6565687e03968abd2e508fa8183f50f04f1cc7 Mon Sep 17 00:00:00 2001
From: bjculkin <bjculkin@mix.wvu.edu>
Date: Fri, 24 Mar 2017 16:21:07 -0400
Subject: Update Pratt Parser

---
 .../pratt/commands/PreTernaryCommand.java          | 45 ++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/commands/PreTernaryCommand.java

(limited to 'BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/commands/PreTernaryCommand.java')

diff --git a/BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/commands/PreTernaryCommand.java b/BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/commands/PreTernaryCommand.java
new file mode 100644
index 0000000..04604be
--- /dev/null
+++ b/BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/commands/PreTernaryCommand.java
@@ -0,0 +1,45 @@
+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 PreTernaryCommand<K, V, C> extends AbstractInitialCommand<K, V, C> {
+	private int	cond1;
+	private int	block1;
+	private int	block2;
+
+	private K	mark1;
+	private K	mark2;
+
+	private Token<K, V> term;
+
+	public PreTernaryCommand(int cond1, int block1, int block2, K mark1, K mark2, Token<K, V> term) {
+		super();
+		this.cond1 = cond1;
+		this.block1 = block1;
+		this.block2 = block2;
+		this.mark1 = mark1;
+		this.mark2 = mark2;
+		this.term = term;
+	}
+
+	@SuppressWarnings("unchecked")
+	@Override
+	protected ITree<Token<K, V>> intNullDenotation(Token<K, V> operator, ParserContext<K, V, C> ctx)
+			throws ParserException {
+		ITree<Token<K, V>> cond = ctx.parse.parseExpression(cond1, ctx.tokens, ctx.state, false);
+
+		ctx.tokens.expect(mark1);
+
+		ITree<Token<K, V>> fstBlock = ctx.parse.parseExpression(block1, ctx.tokens, ctx.state, false);
+
+		ctx.tokens.expect(mark2);
+
+		ITree<Token<K, V>> sndBlock = ctx.parse.parseExpression(block2, ctx.tokens, ctx.state, false);
+
+		return new Tree<>(term, cond, fstBlock, sndBlock);
+	}
+}
\ No newline at end of file
-- 
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