From 9ce39956fa1702f157c347dc4b8807d9b5dd2185 Mon Sep 17 00:00:00 2001
From: bculkin2442 <bjculkin@mix.wvu.edu>
Date: Mon, 18 Apr 2016 08:34:32 -0400
Subject: Reimplemented basic optimization.

---
 .../bjc/dicelang/examples/DiceASTLanguageTest.java | 34 ++++++++++++++++++++--
 .../examples/DiceASTReferenceSanitizer.java        | 28 ------------------
 2 files changed, 31 insertions(+), 31 deletions(-)
 delete mode 100644 dice-lang/src/examples/java/bjc/dicelang/examples/DiceASTReferenceSanitizer.java

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

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 5dbaff3..8d87aee 100644
--- a/dice-lang/src/examples/java/bjc/dicelang/examples/DiceASTLanguageTest.java
+++ b/dice-lang/src/examples/java/bjc/dicelang/examples/DiceASTLanguageTest.java
@@ -4,8 +4,11 @@ import java.util.Scanner;
 
 import bjc.dicelang.ast.DiceASTEvaluator;
 import bjc.dicelang.ast.DiceASTInliner;
+import bjc.dicelang.ast.DiceASTOptimizer;
 import bjc.dicelang.ast.DiceASTParser;
+import bjc.dicelang.ast.DiceASTReferenceSanitizer;
 import bjc.dicelang.ast.nodes.IDiceASTNode;
+import bjc.dicelang.ast.optimization.ConstantCollapser;
 import bjc.utils.funcdata.FunctionalMap;
 import bjc.utils.funcdata.FunctionalStringTokenizer;
 import bjc.utils.funcdata.IFunctionalList;
@@ -19,7 +22,9 @@ import bjc.utils.funcdata.ITree;
  *
  */
 public class DiceASTLanguageTest {
-	private static IFunctionalMap<String, DiceASTPragma> actions;
+	private static IFunctionalMap<String, DiceASTPragma>	actions;
+
+	private static DiceASTOptimizer							optimizer;
 
 	static {
 		actions = new FunctionalMap<>();
@@ -31,6 +36,10 @@ public class DiceASTLanguageTest {
 				System.out.println(varName + " is bound to " + varValue);
 			});
 		});
+
+		optimizer = new DiceASTOptimizer();
+
+		optimizer.addPass(new ConstantCollapser());
 	}
 
 	private static void handleInlineAction(
@@ -117,9 +126,14 @@ public class DiceASTLanguageTest {
 
 			int sampleRoll;
 
+			ITree<IDiceASTNode> transformedAST =
+					transformAST(builtAST, enviroment);
+
 			try {
-				sampleRoll =
-						DiceASTEvaluator.evaluateAST(builtAST, enviroment);
+				sampleRoll = DiceASTEvaluator.evaluateAST(transformedAST,
+						enviroment);
+
+				enviroment.put("last", transformedAST);
 			} catch (UnsupportedOperationException usex) {
 				System.out.println("ERROR: " + usex.getLocalizedMessage());
 
@@ -130,6 +144,8 @@ public class DiceASTLanguageTest {
 
 			// Print out results
 			System.out.println("\tParsed: " + builtAST.toString());
+			System.out
+					.println("\tEvaluated: " + transformedAST.toString());
 			System.out.println("\t\tSample Roll: " + sampleRoll);
 
 			// Increase the number of commands
@@ -144,6 +160,18 @@ public class DiceASTLanguageTest {
 		inputSource.close();
 	}
 
+	private static ITree<IDiceASTNode> transformAST(
+			ITree<IDiceASTNode> builtAST,
+			IFunctionalMap<String, ITree<IDiceASTNode>> enviroment) {
+		ITree<IDiceASTNode> optimizedTree =
+				optimizer.optimizeTree(builtAST, enviroment);
+
+		ITree<IDiceASTNode> sanitizedTree = DiceASTReferenceSanitizer
+				.sanitize(optimizedTree, enviroment);
+
+		return sanitizedTree;
+	}
+
 	private static String getNextCommand(Scanner inputSource,
 			int commandNumber) {
 		System.out.print("\ndice-lang-" + commandNumber + "> ");
diff --git a/dice-lang/src/examples/java/bjc/dicelang/examples/DiceASTReferenceSanitizer.java b/dice-lang/src/examples/java/bjc/dicelang/examples/DiceASTReferenceSanitizer.java
deleted file mode 100644
index b2e441d..0000000
--- a/dice-lang/src/examples/java/bjc/dicelang/examples/DiceASTReferenceSanitizer.java
+++ /dev/null
@@ -1,28 +0,0 @@
-package bjc.dicelang.examples;
-
-import bjc.dicelang.ast.nodes.IDiceASTNode;
-import bjc.utils.funcdata.IFunctionalMap;
-import bjc.utils.funcdata.ITree;
-
-/**
- * Sanitize the references in an AST so that a variable that refers to
- * itself in its definition has the occurance of it replaced with its
- * previous definition
- * 
- * @author ben
- *
- */
-public class DiceASTReferenceSanitizer {
-	/**
-	 * Sanitize the references in an AST
-	 * 
-	 * @param ast
-	 * @param enviroment
-	 * @return The sanitized AST
-	 */
-	public static ITree<IDiceASTNode> sanitize(ITree<IDiceASTNode> ast,
-			IFunctionalMap<String, ITree<IDiceASTNode>> enviroment) {
-		// TODO implement me
-		return null;
-	}
-}
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