--- a/graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/parser/Parser.java	Fri Aug 01 16:28:06 2014 -0700
+++ b/graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/parser/Parser.java	Fri Aug 01 16:30:22 2014 -0700
@@ -53,7 +53,7 @@
     public final Scanner scanner;
     public final Errors errors;
     private final SLNodeFactory factory;
-
+    
     public Parser(SLContext context, Source source, SLNodeProber astProber) {
         this.scanner = new Scanner(source.getInputStream());
         this.factory = new SLNodeFactory(context, source, astProber);
@@ -134,41 +134,41 @@
 	void Function() {
 		Expect(4);
 		Expect(1);
-		factory.startFunction(t);
+		factory.startFunction(t); 
 		Expect(5);
 		if (la.kind == 1) {
 			Get();
-			factory.addFormalParameter(t);
+			factory.addFormalParameter(t); 
 			while (la.kind == 6) {
 				Get();
 				Expect(1);
-				factory.addFormalParameter(t);
+				factory.addFormalParameter(t); 
 			}
 		}
 		Expect(7);
 		SLStatementNode body = Block(false);
-		factory.finishFunction(body);
+		factory.finishFunction(body); 
 	}
 
 	SLStatementNode  Block(boolean inLoop) {
 		SLStatementNode  result;
 		factory.startBlock();
-		List<SLStatementNode> body = new ArrayList<>();
+		List<SLStatementNode> body = new ArrayList<>(); 
 		Expect(8);
-		int lBracePos = t.charPos;
+		int start = t.charPos; 
 		while (StartOf(1)) {
 			SLStatementNode s = Statement(inLoop);
-			body.add(s);
+			body.add(s); 
 		}
 		Expect(9);
-		int length = (t.charPos + t.val.length()) - lBracePos;
-		result = factory.finishBlock(body, lBracePos, length);
+		int length = (t.charPos + t.val.length()) - start; 
+		result = factory.finishBlock(body, start, length); 
 		return result;
 	}
 
 	SLStatementNode  Statement(boolean inLoop) {
 		SLStatementNode  result;
-		result = null;
+		result = null; 
 		switch (la.kind) {
 		case 13: {
 			result = WhileStatement();
@@ -176,13 +176,13 @@
 		}
 		case 10: {
 			Get();
-			if (inLoop) { result = factory.createBreak(t); } else { SemErr("break used outside of loop"); }
+			if (inLoop) { result = factory.createBreak(t); } else { SemErr("break used outside of loop"); } 
 			Expect(11);
 			break;
 		}
 		case 12: {
 			Get();
-			if (inLoop) { result = factory.createContinue(t); } else { SemErr("continue used outside of loop"); }
+			if (inLoop) { result = factory.createContinue(t); } else { SemErr("continue used outside of loop"); } 
 			Expect(11);
 			break;
 		}
@@ -207,12 +207,12 @@
 	SLStatementNode  WhileStatement() {
 		SLStatementNode  result;
 		Expect(13);
+		Token whileToken = t; 
 		Expect(5);
-		Token whileToken = t;
 		SLExpressionNode condition = Expression();
 		Expect(7);
 		SLStatementNode body = Block(true);
-		result = factory.createWhile(whileToken, condition, body);
+		result = factory.createWhile(whileToken, condition, body); 
 		return result;
 	}
 
@@ -220,16 +220,16 @@
 		SLStatementNode  result;
 		Expect(14);
 		Expect(5);
-		Token ifToken = t;
+		Token ifToken = t; 
 		SLExpressionNode condition = Expression();
 		Expect(7);
 		SLStatementNode thenPart = Block(inLoop);
-		SLStatementNode elsePart = null;
+		SLStatementNode elsePart = null; 
 		if (la.kind == 15) {
 			Get();
 			elsePart = Block(inLoop);
 		}
-		result = factory.createIf(ifToken, condition, thenPart, elsePart);
+		result = factory.createIf(ifToken, condition, thenPart, elsePart); 
 		return result;
 	}
 
@@ -237,11 +237,11 @@
 		SLStatementNode  result;
 		Expect(16);
 		Token returnToken = t;
-		SLExpressionNode value = null;
+		SLExpressionNode value = null; 
 		if (StartOf(2)) {
 			value = Expression();
 		}
-		result = factory.createReturn(returnToken, value);
+		result = factory.createReturn(returnToken, value); 
 		Expect(11);
 		return result;
 	}
@@ -251,9 +251,9 @@
 		result = LogicTerm();
 		while (la.kind == 17) {
 			Get();
-			Token op = t;
+			Token op = t; 
 			SLExpressionNode right = LogicTerm();
-			result = factory.createBinary(op, result, right);
+			result = factory.createBinary(op, result, right); 
 		}
 		return result;
 	}
@@ -263,9 +263,9 @@
 		result = LogicFactor();
 		while (la.kind == 18) {
 			Get();
-			Token op = t;
+			Token op = t; 
 			SLExpressionNode right = LogicFactor();
-			result = factory.createBinary(op, result, right);
+			result = factory.createBinary(op, result, right); 
 		}
 		return result;
 	}
@@ -300,9 +300,9 @@
 				break;
 			}
 			}
-			Token op = t;
+			Token op = t; 
 			SLExpressionNode right = Arithmetic();
-			result = factory.createBinary(op, result, right);
+			result = factory.createBinary(op, result, right); 
 		}
 		return result;
 	}
@@ -316,9 +316,9 @@
 			} else {
 				Get();
 			}
-			Token op = t;
+			Token op = t; 
 			SLExpressionNode right = Term();
-			result = factory.createBinary(op, result, right);
+			result = factory.createBinary(op, result, right); 
 		}
 		return result;
 	}
@@ -332,52 +332,56 @@
 			} else {
 				Get();
 			}
-			Token op = t;
+			Token op = t; 
 			SLExpressionNode right = Factor();
-			result = factory.createBinary(op, result, right);
+			result = factory.createBinary(op, result, right); 
 		}
 		return result;
 	}
 
 	SLExpressionNode  Factor() {
 		SLExpressionNode  result;
-		result = null;
+		result = null; 
 		if (la.kind == 1) {
 			Get();
-			Token nameToken = t;
+			Token nameToken = t; 
 			if (la.kind == 5) {
 				Get();
 				List<SLExpressionNode> parameters = new ArrayList<>();
-				SLExpressionNode parameter;
+				SLExpressionNode parameter; 
 				if (StartOf(2)) {
 					parameter = Expression();
-					parameters.add(parameter);
+					parameters.add(parameter); 
 					while (la.kind == 6) {
 						Get();
 						parameter = Expression();
-						parameters.add(parameter);
+						parameters.add(parameter); 
 					}
 				}
 				Expect(7);
-				Token finalToken = t;
-				result = factory.createCall(nameToken, parameters, finalToken);
+				Token finalToken = t; 
+				result = factory.createCall(nameToken, parameters, finalToken); 
 			} else if (la.kind == 29) {
 				Get();
 				SLExpressionNode value = Expression();
-				result = factory.createAssignment(nameToken, value);
+				result = factory.createAssignment(nameToken, value); 
 			} else if (StartOf(4)) {
-				result = factory.createRead(nameToken);
+				result = factory.createRead(nameToken); 
 			} else SynErr(32);
 		} else if (la.kind == 2) {
 			Get();
-			result = factory.createStringLiteral(t);
+			result = factory.createStringLiteral(t); 
 		} else if (la.kind == 3) {
 			Get();
-			result = factory.createNumericLiteral(t);
+			result = factory.createNumericLiteral(t); 
 		} else if (la.kind == 5) {
 			Get();
+			int start = t.charPos; 
 			result = Expression();
+			SLExpressionNode expr = result; 
 			Expect(7);
+			int length = (t.charPos + t.val.length()) - start; 
+			result = factory.createParenExpression(expr, start, length); 
 		} else SynErr(33);
 		return result;
 	}