From 24f3ce54983348e1aa0229d5c08b3fe99d739d40 Mon Sep 17 00:00:00 2001
From: bculkin2442 <bjculkin@mix.wvu.edu>
Date: Mon, 18 Apr 2016 13:04:01 -0400
Subject: Added operation condensing

---
 .../bjc/dicelang/examples/DiceASTLanguageTest.java |  6 +++-
 .../dicelang/examples/DiceExpressionPreparer.java  | 38 ++++++++++++++--------
 2 files changed, 29 insertions(+), 15 deletions(-)

(limited to 'dice-lang/src/examples')

diff --git a/dice-lang/src/examples/java/bjc/dicelang/examples/DiceASTLanguageTest.java b/dice-lang/src/examples/java/bjc/dicelang/examples/DiceASTLanguageTest.java
index 8d87aee..a6d5c75 100644
--- a/dice-lang/src/examples/java/bjc/dicelang/examples/DiceASTLanguageTest.java
+++ b/dice-lang/src/examples/java/bjc/dicelang/examples/DiceASTLanguageTest.java
@@ -9,6 +9,7 @@ import bjc.dicelang.ast.DiceASTParser;
 import bjc.dicelang.ast.DiceASTReferenceSanitizer;
 import bjc.dicelang.ast.nodes.IDiceASTNode;
 import bjc.dicelang.ast.optimization.ConstantCollapser;
+import bjc.dicelang.ast.optimization.OperationCondenser;
 import bjc.utils.funcdata.FunctionalMap;
 import bjc.utils.funcdata.FunctionalStringTokenizer;
 import bjc.utils.funcdata.IFunctionalList;
@@ -166,8 +167,11 @@ public class DiceASTLanguageTest {
 		ITree<IDiceASTNode> optimizedTree =
 				optimizer.optimizeTree(builtAST, enviroment);
 
+		ITree<IDiceASTNode> condensedTree =
+				OperationCondenser.condense(optimizedTree);
+
 		ITree<IDiceASTNode> sanitizedTree = DiceASTReferenceSanitizer
-				.sanitize(optimizedTree, enviroment);
+				.sanitize(condensedTree, enviroment);
 
 		return sanitizedTree;
 	}
diff --git a/dice-lang/src/examples/java/bjc/dicelang/examples/DiceExpressionPreparer.java b/dice-lang/src/examples/java/bjc/dicelang/examples/DiceExpressionPreparer.java
index 91abf7d..caf7f37 100644
--- a/dice-lang/src/examples/java/bjc/dicelang/examples/DiceExpressionPreparer.java
+++ b/dice-lang/src/examples/java/bjc/dicelang/examples/DiceExpressionPreparer.java
@@ -20,17 +20,31 @@ public class DiceExpressionPreparer {
 	/**
 	 * The yard to use for shunting expressions
 	 */
-	private static ShuntingYard<String> yard;
+	private static ShuntingYard<String>	yard;
+
+	private static final int			MATH_PREC	= 20;
+	private static final int			DICE_PREC	= 10;
+	private static final int			EXPR_PREC	= 0;
 
 	static {
-		yard = new ShuntingYard<>();
-
-		yard.addOp("d", 5); // dice operator: use for creating variable
-		// size dice groups
-		yard.addOp("c", 6); // compound operator: use for creating compound
-		// dice from expressions
-		yard.addOp(":=", 0); // binding operator: Bind a name to a variable
-		// expression
+		yard = new ShuntingYard<>(false);
+
+		// Basic mathematical operators
+		yard.addOp("+", 0 + MATH_PREC);
+		yard.addOp("-", 0 + MATH_PREC);
+
+		yard.addOp("*", 1 + MATH_PREC);
+		yard.addOp("/", 1 + MATH_PREC);
+
+		yard.addOp("d", 0 + DICE_PREC); // dice operator: use for creating
+		// variable size dice groups
+		yard.addOp("c", 1 + DICE_PREC); // compound operator: use for
+		// creating compound dice from expressions
+
+		yard.addOp("=>", 0 + EXPR_PREC); // let operator: evaluate an
+		// expression in the context of another
+		yard.addOp(":=", 1 + EXPR_PREC); // binding operator: Bind a name
+		// to a variable expression
 	}
 
 	static IFunctionalList<String> prepareCommand(String currentLine) {
@@ -44,6 +58,7 @@ public class DiceExpressionPreparer {
 		ops.add(new Pair<>("*", "\\*"));
 		ops.add(new Pair<>("/", "/"));
 		ops.add(new Pair<>(":=", ":="));
+		ops.add(new Pair<>("=>", "=>"));
 
 		IFunctionalList<String> semiExpandedTokens =
 				ListUtils.splitTokens(tokens, ops);
@@ -52,11 +67,6 @@ public class DiceExpressionPreparer {
 
 		ops.add(new Pair<>("(", "\\("));
 		ops.add(new Pair<>(")", "\\)"));
-		ops.add(new Pair<>("+", "\\+"));
-		ops.add(new Pair<>("-", "-"));
-		ops.add(new Pair<>("*", "\\*"));
-		ops.add(new Pair<>("/", "/"));
-		ops.add(new Pair<>(":=", ":="));
 
 		IFunctionalList<String> fullyExpandedTokens =
 				ListUtils.deAffixTokens(semiExpandedTokens, ops);
-- 
cgit v1.2.3