Now handles unterminated block comments without freezing

scripts/small.toy

@@ -1,25 +1,2 @@
-import standard; //for a bunch of utility functions
+/*
 
-print "Hello world"; //"print" is a keyword
-
-var msg = "foobar"; //declare a variable like this
-
-assert true, "This message won't be seen"; //assert is another keyword
-
-//-------------------------
-
-fn makeCounter() { //declare a function like this
-	var total: int = 0; //declare a variable with a type like this
-
-	fn counter(): int { //declare a return type like this
-		return ++total;
-	}
-
-	return counter; //closures are explicitly supported
-}
-
-var tally = makeCounter();
-
-print tally(); //1
-print tally(); //2
-print tally(); //3

source/toy_lexer.c

@@ -61,7 +61,7 @@ static void eatWhitespace(Toy_Lexer* lexer) {
 
 			//eat the line
 			if (peekNext(lexer) == '/') {
-				while (advance(lexer) != '\n' && !isAtEnd(lexer));
+				while (!isAtEnd(lexer) && advance(lexer) != '\n');
 				break;
 			}
 
@@ -69,7 +69,7 @@ static void eatWhitespace(Toy_Lexer* lexer) {
 			if (peekNext(lexer) == '*') {
 				advance(lexer);
 				advance(lexer);
-				while(!(peek(lexer) == '*' && peekNext(lexer) == '/')) advance(lexer);
+				while(!isAtEnd(lexer) && !(peek(lexer) == '*' && peekNext(lexer) == '/')) advance(lexer);
 				advance(lexer);
 				advance(lexer);
 				break;