Fixed some bugs, began adding a Script class

index.html

@@ -10,6 +10,11 @@
     the Google CDN (Content Delivery Network). -->
 	<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
 	
+	<script src="src/netscript/InputStream.js"></script>
+	<script src="src/netscript/Tokenizer.js"></script>
+	<script src="src/netscript/Parser.js"></script>
+	<script src="src/netscript/Environment.js"></script>
+	<script src="src/netscript/Evaluator.js"></script>
     
 	<script src="src/Constants.js"></script>
    	<script src="src/Server.js"></script>
@@ -18,11 +23,7 @@
 	<script src="src/Company.js"></script>
 	<script src="src/Terminal.js"></script>
 	
-	<script src="src/netscript/InputStream.js"></script>
+
-	<script src="src/netscript/Tokenizer.js"></script>
-	<script src="src/netscript/Parser.js"></script>
-	<script src="src/netscript/Environment.js"></script>
-	<script src="src/netscript/Evaluator.js"></script>
 	
     <script src="src/engine.js"></script>
   </head>

src/Netscript/Evaluator.js

@@ -51,7 +51,7 @@ function evaluate(exp, env) {
 				cond = evaluate(exp.cond, env);
 			}
 		
-			//TODO Return somethin?
+			//TODO I don't think I need to return anything..but I might be wrong
 			break;
 		case "while":
 			cond = evaluate(exp.cond, env);
@@ -61,7 +61,7 @@ function evaluate(exp, env) {
 				cond = evaluate(exp.cond, env);
 			}
 
-			//TODO DO i need to return anything?
+			//TODO I don't think I need to return anything..but I might be wrong
 			break;
 		case "prog":
 			var val = false;
@@ -85,7 +85,7 @@ function evaluate(exp, env) {
 			} else if (exp.func.value == "sleep") {
 				console.log("Execute sleep()");
 			} else if (exp.func.value == "print") {
-				console.log(evaluate(exp.args[0], env));
+                post(evaluate(exp.args[0], env).toString());
 			}
 			break;
 

src/Netscript/Tokenizer.js

@@ -104,8 +104,12 @@ function Tokenizer(input) {
         return str;
     }
     
-    function read_string() {
+    function read_string(ch) {
+        if (ch == '"') {
             return { type: "str", value: read_escaped('"') };
+        } else if (ch == '\'') {
+            return { type: "str", value: read_escaped('\'') };
+        }
     }
     
     //Only supports single-line comments right now
@@ -130,7 +134,7 @@ function Tokenizer(input) {
             return read_next();
         }
         
-        if (ch == '"')          return read_string();
+        if (ch == '"' || ch == '\'')          return read_string(ch);
         if (is_digit(ch))       return read_number();
         if (is_id_start(ch))    return read_ident();    
         if (is_punc(ch)) return {

src/Script.js

@@ -0,0 +1,42 @@
+/* Script.js
+ *  Script object
+ */
+function Script() {
+    //Function queue that holds the next functions to be
+    //executed in this script. A function from this queue
+    //is executed every second (this may change)
+    this.functionQueue = [];
+    
+    this.code = "";
+    this.ramUsage = 0;
+    
+}
+
+//Execute the next function in the Script's function queue
+Script.prototype.executeNext() {
+    if (this.functionQueue.length <= 0) {return;}
+    
+    //Shift the next element off ths function queue and then execute it
+    (this.functionQueue.shift())();
+}
+
+/* Wrapper object that wraps a function with its arguments.
+ *      These objects are pushed onto a Script object's function queue.
+ *      The functions can be called with the standard () operator
+ *
+ *  Example:
+ *      //Define the function
+ *      var fooFunc = function(a1, a2, a3) {
+ *          return a1 + a2 + a3;
+ *      }
+ *      //Wrap the function in the wrapper object
+ *      var fooObj = functionObject(fooFunc, this, [2, 3, 4]); 
+ *      //Call the function 
+ *      fooObj();   
+ *
+ */
+function functionObject = function(fn, context, params) {
+    return function() {
+        fn.apply(context, params);
+    }
+}

src/Terminal.js

@@ -119,6 +119,12 @@ var Terminal = {
             post("SQL port: Closed")
         }
         Terminal.analyzeFlag = false;
+        
+        //Rename the progress bar so that the next hacks dont trigger it. Re-enable terminal
+        $("#hack-progress-bar").attr('id', "old-hack-progress-bar");
+        $("#hack-progress").attr('id', "old-hack-progress");
+        document.getElementById("terminal-input-td").innerHTML = '$ <input type="text" class="terminal-input"/>';
+        $('input[class=terminal-input]').prop('disabled', false);      
     }, 
 	
 	executeCommand:  function(command) {
@@ -292,10 +298,11 @@ var Terminal = {
 				
 			case "test":
 				//TODO
-				//TESTED: print, for loops
+				//TESTED: print, for loops, while loops, prog, 
-				//UNTESTED:
+                //          basic ops, var, assign all seem fine
+				//UNTESTED: if, elif, else 
 				
-				var code = "i = 0; while (i < 100000000000) {print(i); i = i+1;}";
+				var code = "i = 0; while (i <= 20) {print(i); i = i+2; hack(); sleep();}";
 				var ast = Parser(Tokenizer(InputStream(code)));
 				console.log("Printing AST below")
 				console.log(ast);

src/engine.js

@@ -38,10 +38,8 @@ var Engine = {
     },
 	
 	//Time variables (milliseconds unix epoch time)
-	_timeThen: new Date().getTime(),
+	_lastUpdate: new Date().getTime(),
-	_timeNow: new Date().getTime(),
 	
-	_ticks: 0,          //Total ticks
 	_idleSpeed: 200,    //Speed (in ms) at which the main loop is updated
     
     //Display a status update text
@@ -121,21 +119,23 @@ var Engine = {
 	/* Main Event Loop */
 	idleTimer: function() {
 		//Get time difference
-		Engine._timeNow = new Date().getTime();
+		var _thisUpdate = new Date().getTime();
-		var timeDifference = Engine._timeNow - Engine._timeThen - Engine._ticks;
+		var diff = _thisUpdate - Engine._lastUpdate;
         
-		while (timeDifference >= Engine._idleSpeed) {			
+        //Divide this by cycle time to determine how many cycles have elapsed since last update
-			//Engine.Display.hacking_skill.innerHTML = Player.hacking_skill;
+        diff = Math.round(diff / Engine._idleSpeed);
         
-			//Update timeDifference based on the idle speed
+        if (diff > 0) {
-			timeDifference -= Engine._idleSpeed;
+            //Update the game engine by the calculated number of cycles
-			
+            Engine.updateGame(diff);
-			//Update the total tick counter
+            Engine._lastUpdate = _thisUpdate;
-			Engine._ticks += Engine._idleSpeed;
         }       
 		
-        var idleTime = Engine._idleSpeed - timeDifference;
+		window.requestAnimationFrame(Engine.idleTimer);
+	},
     
+    //TODO Account for numCycles in Code, hasn't been done yet
+    updateGame: function(numCycles = 1) {
         //Manual hack
 		if (Player.startAction == true) {
 			Engine._totalActionTime = Player.actionTime;
@@ -150,12 +150,6 @@ var Engine = {
 		}
 		
 		Engine.updateHackProgress();
-		
-		// Once that entire "while loop" has run, we call the IdleTimer 
-		// function again, but this time with a timeout (delay) of 
-		// _idleSpeed minus timeDifference
-		setTimeout(Engine.idleTimer, idleTime);
-		
     },
 	
 	/* Calculates the hack progress for a manual (non-scripted) hack and updates the progress bar/time accordingly */