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Resolving and rejecting at the top level now returns a reference to workerScripts. This makes killing/deleting a running script possible. The feature appears to be working now

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This commit is contained in:
Daniel Xie 2016-12-06 10:59:20 -06:00
parent 437ebc2703
commit 8c58710495
3 changed files with 62 additions and 51 deletions
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5
src/Netscript/Environment.js
View File

@ -4,6 +4,7 @@
function Environment(parent) {
this.vars = Object.create(parent ? parent.vars : null);
this.parent = parent;
this.stopFlag = false;
}
Environment.prototype = {
//Create a "subscope", which is a new new "sub-environment"
@ -44,7 +45,5 @@ Environment.prototype = {
//Creates (or overwrites) a variable in the current scope
def: function(name, value) {
return this.vars[name] = value;
},
stopFlag: false
}
};

91
src/Netscript/Evaluator.js
View File

@ -11,13 +11,13 @@ function evaluate(exp, workerScript) {
case "str":
case "bool":
return new Promise(function(resolve, reject) {
if (env.stopFlag) {reject("Stopping script");}
if (env.stopFlag) {reject(workerScript);}
resolve(exp.value);
});
break;
case "var":
return new Promise(function(resolve, reject) {
if (env.stopFlag) {reject("Stopping script");}
if (env.stopFlag) {reject(workerScript);}
resolve(env.get(exp.value));
});
break;
@ -25,7 +25,7 @@ function evaluate(exp, workerScript) {
case "assign":
console.log("Evaluating assign operation");
return new Promise(function(resolve, reject) {
if (env.stopFlag) {reject("Stopping script");}
if (env.stopFlag) {reject(workerScript);}
if (exp.left.type != "var")
throw new Error("Cannot assign to " + JSON.stringify(exp.left));
@ -36,7 +36,7 @@ function evaluate(exp, workerScript) {
expRightPromise.then(function(expRight) {
resolve(expRight);
}, function() {
reject("Stopping script");
reject(workerScript);
});
}, CONSTANTS.CodeInstructionRunTime)
});
@ -47,14 +47,14 @@ function evaluate(exp, workerScript) {
console.log("Assign operation finished");
resolve("assignFinished");
}, function() {
reject("Stopping script");
reject(workerScript);
});
});
case "binary":
console.log("Binary operation called");
return new Promise(function(resolve, reject) {
if (env.stopFlag) {reject("Stopping script");}
if (env.stopFlag) {reject(workerScript);}
var pLeft = new Promise(function(resolve, reject) {
setTimeout(function() {
@ -62,7 +62,7 @@ function evaluate(exp, workerScript) {
promise.then(function(valLeft) {
resolve(valLeft);
}, function() {
reject("Stopping script");
reject(workerScript);
});
}, CONSTANTS.CodeInstructionRunTime);
});
@ -74,7 +74,7 @@ function evaluate(exp, workerScript) {
promise.then(function(valRight) {
resolve([valLeft, valRight]);
}, function() {
reject("Stopping script");
reject(workerScript);
});
}, CONSTANTS.CodeInstructionRunTime);
});
@ -83,10 +83,10 @@ function evaluate(exp, workerScript) {
console.log("Resolving binary operation");
resolve(apply_op(exp.operator, args[0], args[1]));
}, function() {
reject("Stopping script");
reject(workerScript);
});
}, function() {
reject("Stopping script");
reject(workerScript);
});
});
break;
@ -110,7 +110,7 @@ function evaluate(exp, workerScript) {
case "for":
return new Promise(function(resolve, reject) {
if (env.stopFlag) {reject("Stopping script");}
if (env.stopFlag) {reject(workerScript);}
console.log("for loop encountered in evaluator");
var pInit = new Promise(function(resolve, reject) {
@ -119,7 +119,7 @@ function evaluate(exp, workerScript) {
resInit.then(function(foo) {
resolve(resInit);
}, function() {
reject("Stopping script");
reject(workerScript);
});
}, CONSTANTS.CodeInstructionRunTime);
});
@ -129,35 +129,35 @@ function evaluate(exp, workerScript) {
pForLoop.then(function(forLoopRes) {
resolve("forLoopDone");
}, function() {
reject("Stopping script");
reject(workerScript);
});
}, function() {
reject("Stopping script");
reject(workerScript);
});
});
break;
case "while":
console.log("Evaluating while loop");
return new Promise(function(resolve, reject) {
if (env.stopFlag) {reject("Stopping script");}
if (env.stopFlag) {reject(workerScript);}
var pEvaluateWhile = evaluateWhile(exp, workerScript);
pEvaluateWhile.then(function(whileLoopRes) {
resolve("whileLoopDone");
}, function() {
reject("Stopping script");
reject(workerScript);
});
});
break;
case "prog":
return new Promise(function(resolve, reject) {
if (env.stopFlag) {reject("Stopping script");}
if (env.stopFlag) {reject(workerScript);}
var evaluateProgPromise = evaluateProg(exp, workerScript, 0);
evaluateProgPromise.then(function(res) {
resolve(res);
evaluateProgPromise.then(function(w) {
resolve(workerScript);
}, function() {
reject("Stopping script");
reject(workerScript);
});
});
break;
@ -175,15 +175,24 @@ function evaluate(exp, workerScript) {
// return evaluate(arg, env);
//}));
return new Promise(function(resolve, reject) {
if (env.stopFlag) {reject("Stopping script");}
if (env.stopFlag) {reject(workerScript);}
setTimeout(function() {
if (exp.func.value == "hack") {
console.log("Execute hack()");
if (exp.args.length != 0) {
throw new Error("Hack() call has incorrect number of arguments. Takes no arguments");)
throw new Error("Hack() call has incorrect number of arguments. Takes no arguments");
}
//Calculate the hacking time
var currentServer = AllServers[workerScript.serverIp];
var difficultyMult = currentServer.requiredHackingSkill * currentServer.hackDifficulty;
var skillFactor = difficultMult / Player.hacking_skill;
var hackingTime = skillFactor * Player.hacking_speed_multiplier; //This is in seconds
//TODO Add a safeguard to prevent a script from hacking a Server that the player
//cannot hack
var p = new Promise(function(resolve, reject) {
setTimeout(function() {
var hackChance = Player.calculateHackingChance();
@ -202,7 +211,7 @@ function evaluate(exp, workerScript) {
//Player only gains 25% exp for failure? TODO Can change this later to balance
Player.hacking_exp += expGainedOnFailure;
}
}, CONSTANTS.CodeInstructionRunTime);
}, hackingTime * 1000);
});
p.then(function(res) {
@ -236,7 +245,7 @@ function evaluate(exp, workerScript) {
evaluatePromise.then(function(res) {
resolve(res);
}, function() {
reject("Stopping script");
reject(workerScript);
});
}, CONSTANTS.CodeInstructionRunTime);
});
@ -246,7 +255,7 @@ function evaluate(exp, workerScript) {
console.log("Print call executed");
resolve("printExecuted");
}, function() {
reject("Stopping script");
reject(workerScript);
});
}
}, CONSTANTS.CodeInstructionRunTime);
@ -269,7 +278,7 @@ function evaluateFor(exp, workerScript) {
console.log("Conditional evaluated to: " + resCond);
resolve(resCond);
}, function() {
reject("Stopping script");
reject(workerScript);
});
}, CONSTANTS.CodeInstructionRunTime);
});
@ -285,7 +294,7 @@ function evaluateFor(exp, workerScript) {
console.log("Evaluated an iteration of for loop code");
resolve(resCode);
}, function() {
reject("Stopping script");
reject(workerScript);
});
}, CONSTANTS.CodeInstructionRunTime);
});
@ -299,7 +308,7 @@ function evaluateFor(exp, workerScript) {
console.log("Evaluated for loop postloop");
resolve("postLoopFinished");
}, function() {
reject("Stopping script");
reject(workerScript);
});
}, CONSTANTS.CodeInstructionRunTime);
});
@ -309,21 +318,21 @@ function evaluateFor(exp, workerScript) {
recursiveCall.then(function(foo) {
resolve("endForLoop");
}, function() {
reject("Stopping script");
reject(workerScript);
});
}, function() {
reject("Stopping script");
reject(workerScript);
});
}, function() {
reject("Stopping script");
reject(workerScript);
});
} else {
console.log("Cond is false, stopping for loop");
resolve("endForLoop"); //Doesn't need to resolve to any particular value
}
}, function() {
reject("Stopping script");
reject(workerScript);
});
});
}
@ -338,7 +347,7 @@ function evaluateWhile(exp, workerScript) {
console.log("Conditional evaluated to: " + resCond);
resolve(resCond);
}, function() {
reject("Stopping script");
reject(workerScript);
});
}, CONSTANTS.CodeInstructionRunTime);
});
@ -353,7 +362,7 @@ function evaluateWhile(exp, workerScript) {
console.log("Evaluated an iteration of while loop code");
resolve(resCode);
}, function() {
reject("Stopping script");
reject(workerScript);
});
}, CONSTANTS.CodeInstructionRunTime);
});
@ -364,17 +373,17 @@ function evaluateWhile(exp, workerScript) {
recursiveCall.then(function(foo) {
resolve("endWhileLoop");
}, function() {
reject("Stopping script");
reject(workerScript);
});
}, function() {
reject("Stopping script");
reject(workerScript);
});
} else {
console.log("Cond is false, stopping while loop");
resolve("endWhileLoop"); //Doesn't need to resolve to any particular value
}
}, function() {
reject("Stopping script");
reject(workerScript);
});
});
}
@ -393,7 +402,7 @@ function evaluateProg(exp, workerScript, index) {
evaluatePromise.then(function(evalRes) {
resolve(evalRes);
}, function() {
reject("Stopping script");
reject(workerScript);
});
}, CONSTANTS.CodeInstructionRunTime);
});
@ -402,12 +411,12 @@ function evaluateProg(exp, workerScript, index) {
code.then(function(codeRes) {
var nextLine = evaluateProg(exp, workerScript, index + 1);
nextLine.then(function(nextLineRes) {
resolve("progDone");
resolve(workerScript);
}, function() {
reject("Stopping script");
reject(workerScript);
});
}, function() {
reject("Stopping script");
reject(workerScript);
});
}
});

17
src/Netscript/NetscriptWorker.js
View File

@ -23,7 +23,7 @@ function runScriptsLoop() {
//Run any scripts that haven't been started
for (var i = 0; i < workerScripts.length; i++) {
//If it isn't running, start the script
if (workerScripts[i].running == false) {
if (workerScripts[i].running == false && workerScripts[i].env.stopFlag == false) {
var ast = Parser(Tokenizer(InputStream(workerScripts[i].code)));
console.log("Starting new script: " + workerScripts[i].name);
@ -32,13 +32,15 @@ function runScriptsLoop() {
workerScripts[i].running = true;
var p = evaluate(ast, workerScripts[i]);
var foo = workerScripts[i];
//Once the code finishes (either resolved or rejected, doesnt matter), set its
//running status to false
p.then(function(foo) {
workerScripts[i].running = false;
}, function() {
workerScripts[i].running = false;
p.then(function(w) {
w.running = false;
w.env.stopFlag = true;
}, function(w) {
w.running = false;
w.env.stopFlag = true;
});
}
}
@ -47,12 +49,13 @@ function runScriptsLoop() {
//items fucks up the indexing
for (var i = workerScripts.length - 1; i >= 0; i--) {
if (workerScripts[i].running == false && workerScripts[i].env.stopFlag == true) {
console.log("Deleting scripts");
//Delete script from the runningScripts array on its host serverIp
var ip = workerScripts[i].serverIp;
var name = workerScripts[i].name;
for (var j = 0; j < AllServers[ip].runningScripts.length; j++) {
if (AllServers[ip].runningScripts[j] == name) {
AllServers[i].runningScripts.splice(j, 1);
AllServers[ip].runningScripts.splice(j, 1);
break;
}
}