From 90d1cc6c9f47f1b6f74fb57e07865795a46c23b8 Mon Sep 17 00:00:00 2001
From: bculkin2442 <bjculkin@mix.wvu.edu>
Date: Fri, 8 Apr 2016 13:29:48 -0400
Subject: Change to data interfaces, as well as prepare to rewrite parser

---
 .../bjc/dicelang/ast/DiceASTDefinedChecker.java    | 61 ----------------------
 1 file changed, 61 deletions(-)
 delete mode 100644 dice-lang/src/main/java/bjc/dicelang/ast/DiceASTDefinedChecker.java

(limited to 'dice-lang/src/main/java/bjc/dicelang/ast/DiceASTDefinedChecker.java')

diff --git a/dice-lang/src/main/java/bjc/dicelang/ast/DiceASTDefinedChecker.java b/dice-lang/src/main/java/bjc/dicelang/ast/DiceASTDefinedChecker.java
deleted file mode 100644
index c26098c..0000000
--- a/dice-lang/src/main/java/bjc/dicelang/ast/DiceASTDefinedChecker.java
+++ /dev/null
@@ -1,61 +0,0 @@
-package bjc.dicelang.ast;
-
-import java.util.Map;
-import java.util.function.Consumer;
-
-import bjc.dicelang.ast.nodes.DiceASTType;
-import bjc.dicelang.ast.nodes.IDiceASTNode;
-import bjc.dicelang.ast.nodes.VariableDiceNode;
-import bjc.utils.data.IHolder;
-
-/**
- * Check if the specified node references a particular variable
- * 
- * @author ben
- *
- */
-public final class DiceASTDefinedChecker
-		implements Consumer<IDiceASTNode> {
-	/**
-	 * This is true if the specified node references the set variable
-	 */
-	private IHolder<Boolean>				referencesVariable;
-
-	private Map<String, DiceASTExpression>	enviroment;
-
-	/**
-	 * Create a new reference checker
-	 * 
-	 * @param referencesVar
-	 *            The holder of whether the variable is referenced or not
-	 * @param env
-	 *            The enviroment to check undefinedness against
-	 */
-	public DiceASTDefinedChecker(IHolder<Boolean> referencesVar,
-			Map<String, DiceASTExpression> env) {
-		this.referencesVariable = referencesVar;
-		this.enviroment = env;
-	}
-
-	@Override
-	public void accept(IDiceASTNode astNode) {
-		referencesVariable.transform((bool) -> checkUndefined(astNode));
-	}
-
-	/**
-	 * Check if a given AST node references an undefined variable
-	 * 
-	 * @param astNode
-	 *            The node to check
-	 * @return Whether or not the node directly the variable
-	 */
-	private boolean checkUndefined(IDiceASTNode astNode) {
-		if (astNode.getType() == DiceASTType.VARIABLE) {
-			VariableDiceNode node = (VariableDiceNode) astNode;
-
-			return !enviroment.containsKey(node.getVariable());
-		} else {
-			return false;
-		}
-	}
-}
\ No newline at end of file
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