1 files changed, 0 insertions, 195 deletions
diff --git a/dice-lang/src/bjc/utils/dice/ast/DiceASTExpression.java b/dice-lang/src/bjc/utils/dice/ast/DiceASTExpression.java
deleted file mode 100644
index 89adb65..0000000
--- a/dice-lang/src/bjc/utils/dice/ast/DiceASTExpression.java
+++ /dev/null
@@ -1,195 +0,0 @@
-package bjc.utils.dice.ast;
-
-import java.util.HashMap;
-import java.util.Map;
-import java.util.function.BinaryOperator;
-
-import org.apache.commons.lang3.StringUtils;
-
-import bjc.utils.data.Pair;
-import bjc.utils.dice.ComplexDice;
-import bjc.utils.dice.CompoundDice;
-import bjc.utils.dice.IDiceExpression;
-import bjc.utils.parserutils.AST;
-
-/**
- * An implementation of {@link IDiceExpression} backed by an AST of
- * {@link IDiceASTNode}s
- * 
- * @author ben
- *
- */
-public class DiceASTExpression implements IDiceExpression {
-
-	/**
-	 * Build the map of operations to use when collapsing the AST
-	 * 
-	 * @param env
-	 *            The enviroment to evaluate bindings and such against
-	 * @return The operations to use when collapsing the AST
-	 */
-	private static
-			Map<IDiceASTNode, BinaryOperator<Pair<Integer, AST<IDiceASTNode>>>>
-			buildOperations(Map<String, DiceASTExpression> env) {
-		Map<IDiceASTNode, BinaryOperator<Pair<Integer, AST<IDiceASTNode>>>> opCollapsers =
-				new HashMap<>();
-
-		opCollapsers.put(OperatorDiceNode.ADD, (left, right) -> {
-			return left.merge((lval, last) -> right.merge((rval, rast) -> {
-				return new Pair<>(lval + rval,
-						new AST<>(OperatorDiceNode.ADD, last, rast));
-			}));
-
-		});
-		opCollapsers.put(OperatorDiceNode.SUBTRACT, (left, right) -> {
-			return left.merge((lval, last) -> right.merge((rval, rast) -> {
-				return new Pair<>(lval - rval,
-						new AST<>(OperatorDiceNode.SUBTRACT, last, rast));
-			}));
-
-		});
-		opCollapsers.put(OperatorDiceNode.MULTIPLY, (left, right) -> {
-			return left.merge((lval, last) -> right.merge((rval, rast) -> {
-				return new Pair<>(lval * rval,
-						new AST<>(OperatorDiceNode.MULTIPLY, last, rast));
-			}));
-
-		});
-		opCollapsers.put(OperatorDiceNode.DIVIDE, (left, right) -> {
-			return left.merge((lval, last) -> right.merge((rval, rast) -> {
-				return new Pair<>(lval / rval,
-						new AST<>(OperatorDiceNode.DIVIDE, last, rast));
-			}));
-		});
-
-		opCollapsers.put(OperatorDiceNode.ASSIGN, (left, right) -> {
-			return left.merge((lval, last) -> right.merge((rval, rast) -> {
-				String nam = last.collapse((nod) -> {
-					return ((VariableDiceNode) nod).getVariable();
-				} , (v) -> (lv, rv) -> null, (r) -> r);
-
-				env.put(nam, new DiceASTExpression(rast, env));
-
-				return new Pair<>(rval,
-						new AST<>(OperatorDiceNode.ASSIGN, last, rast));
-			}));
-		});
-
-		opCollapsers.put(OperatorDiceNode.COMPOUND, (left, right) -> {
-			return left.merge((lval, last) -> right.merge((rval, rast) -> {
-				int ival = Integer.parseInt(
-						Integer.toString(lval) + Integer.toString(rval));
-
-				return new Pair<>(ival,
-						new AST<>(OperatorDiceNode.COMPOUND, last, rast));
-			}));
-		});
-		opCollapsers.put(OperatorDiceNode.GROUP, (left, right) -> {
-			return left.merge((lval, last) -> right.merge((rval, rast) -> {
-
-				return new Pair<>(new ComplexDice(lval, rval).roll(),
-						new AST<>(OperatorDiceNode.GROUP, last, rast));
-			}));
-		});
-
-		return opCollapsers;
-	}
-
-	/**
-	 * The AST this expression will evaluate
-	 */
-	private AST<IDiceASTNode>				ast;
-
-	/**
-	 * The enviroment to evaluate bindings and such against
-	 */
-	private Map<String, DiceASTExpression>	env;
-
-	/**
-	 * Create a new dice expression backed by an AST
-	 * 
-	 * @param ast
-	 *            The AST backing this expression
-	 * @param env
-	 *            The enviroment to evaluate bindings against
-	 */
-	public DiceASTExpression(AST<IDiceASTNode> ast,
-			Map<String, DiceASTExpression> env) {
-		this.ast = ast;
-		this.env = env;
-	}
-
-	/**
-	 * Expand a leaf AST token into a pair for evaluation
-	 * 
-	 * @param tokn
-	 *            The token to evaluate
-	 * @return A pair consisting of the token's value and the AST it
-	 *         represents
-	 */
-	private Pair<Integer, AST<IDiceASTNode>> evalLeaf(IDiceASTNode tokn) {
-		if (tokn instanceof VariableDiceNode) {
-			String varName = ((VariableDiceNode) tokn).getVariable();
-
-			if (env.containsKey(varName)) {
-				return new Pair<>(env.get(varName).roll(),
-						new AST<>(tokn));
-			} else {
-				// Handle special case for defining variables
-				return new Pair<>(0, new AST<>(tokn));
-			}
-		} else {
-			LiteralDiceNode lnod = (LiteralDiceNode) tokn;
-			String dat = lnod.getData();
-
-			if (StringUtils.countMatches(dat, 'c') == 1
-					&& !dat.equalsIgnoreCase("c")) {
-				String[] strangs = dat.split("c");
-				return new Pair<>(new CompoundDice(strangs).roll(),
-						new AST<>(tokn));
-			} else if (StringUtils.countMatches(dat, 'd') == 1
-					&& !dat.equalsIgnoreCase("d")) {
-				/*
-				 * Handle dice groups
-				 */
-				return new Pair<>(ComplexDice.fromString(dat).roll(),
-						new AST<>(tokn));
-			} else {
-				return new Pair<>(Integer.parseInt(dat), new AST<>(tokn));
-			}
-		}
-	}
-
-	/**
-	 * Get the AST bound to this expression
-	 * 
-	 * @return the ast
-	 */
-	public AST<IDiceASTNode> getAst() {
-		return ast;
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see bjc.utils.dice.IDiceExpression#roll()
-	 */
-	@Override
-	public int roll() {
-		Map<IDiceASTNode, BinaryOperator<Pair<Integer, AST<IDiceASTNode>>>> operations =
-				buildOperations(env);
-
-		return ast.collapse(this::evalLeaf, operations::get,
-				(r) -> r.merge((left, right) -> left));
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see java.lang.Object#toString()
-	 */
-	@Override
-	public String toString() {
-		return ast.toString();
-	}
-}