mirror of
https://github.com/bitburner-official/bitburner-src.git
synced 2024-11-22 15:43:49 +01:00
Tried to integrate Promises + web workers into Netscript code. Doesn't work at all right now
This commit is contained in:
Daniel Xie
parent
320526ebb3
commit
4687b80256
@ -11,11 +11,7 @@
|
||||
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/netscript/NetScriptWorker.js"></script>
|
||||
|
||||
<script src="src/Constants.js"></script>
|
||||
<script src="src/Server.js"></script>
|
||||
|
||||
942
src/Netscript/NetscriptWorker.js
Normal file
942
src/Netscript/NetscriptWorker.js
Normal file
@ -0,0 +1,942 @@
|
||||
/* Contains the entire implementation (parser and evaluator) of
|
||||
* the Netscript language. It needs to be all in one file because the scripts
|
||||
* are evaluated using Web Workers, which runs code from a single file */
|
||||
|
||||
|
||||
/* Evaluator
|
||||
* Evaluates the Abstract Syntax Tree for Netscript
|
||||
* generated by the Parser class
|
||||
*/
|
||||
function evaluate(exp, workerScript) {
|
||||
var env = workerScript.env;
|
||||
switch (exp.type) {
|
||||
case "num":
|
||||
case "str":
|
||||
case "bool":
|
||||
return exp.value;
|
||||
|
||||
case "var":
|
||||
return env.get(exp.value);
|
||||
|
||||
//Can currently only assign to "var"s
|
||||
case "assign":
|
||||
if (exp.left.type != "var")
|
||||
throw new Error("Cannot assign to " + JSON.stringify(exp.left));
|
||||
|
||||
var p = new Promise(function(resolve, reject) {
|
||||
setTimeout(function() {
|
||||
var res = evaluate(exp.right, workerScript);
|
||||
resolve(res);
|
||||
}, 3000)
|
||||
});
|
||||
|
||||
return p.then(function(expRight) {
|
||||
return env.set(exp.left.value, expRight);
|
||||
});
|
||||
|
||||
case "binary":
|
||||
var pLeft = new Promise(function(resolve, reject) {
|
||||
setTimeout(function() {
|
||||
var resLeft = evaluate(exp.left, workerScript);
|
||||
resolve(resLeft);
|
||||
}, 3000);
|
||||
});
|
||||
|
||||
var pRight = pLeft.then(function(expLeft) {
|
||||
setTimeout(function() {
|
||||
var resRight = evaluate(exp.right, workerScript);
|
||||
resolve([expLeft, resRight]);
|
||||
}, 3000);
|
||||
});
|
||||
|
||||
return pRight.then(function(args) {
|
||||
return apply_op(exp.operator,
|
||||
args[0],
|
||||
args[1]);
|
||||
});
|
||||
|
||||
//TODO
|
||||
case "if":
|
||||
var numConds = exp.cond.length;
|
||||
var numThens = exp.then.length;
|
||||
if (numConds == 0 || numThens == 0 || numConds != numThens) {
|
||||
throw new Error ("Number of conds and thens in if structure don't match (or there are none)");
|
||||
}
|
||||
|
||||
for (var i = 0; i < numConds; i++) {
|
||||
var cond = evaluate(exp.cond[i], workerScript);
|
||||
if (cond) return evaluate(exp.then[i], workerScript);
|
||||
}
|
||||
|
||||
//Evaluate else if it exists, snce none of the conditionals
|
||||
//were true
|
||||
return exp.else ? evaluate(exp.else, workerScript) : false;
|
||||
|
||||
case "for":
|
||||
var pInit = new Promise(function(resolve, reject) {
|
||||
setTimeout(function() {
|
||||
var resInit = evaluate(exp.init, workerScript);
|
||||
resolve(resInit);
|
||||
}, 3000);
|
||||
});
|
||||
|
||||
pInit.then(function(expInit) {
|
||||
setTimeout(function() {
|
||||
var resCond = evaluate(exp.cond, workerScript);
|
||||
console.log("Evaluated the conditional");
|
||||
resolve(resCond);
|
||||
}, 3000);
|
||||
})
|
||||
|
||||
.then(function(expCond) {
|
||||
while (expCond) {
|
||||
var pCode = new Promise(function(resolve, reject) {
|
||||
setTimeout(function() {
|
||||
var resCode = evaluate(exp.code, workerScript);
|
||||
resolve(resCode);
|
||||
}, 3000);
|
||||
});
|
||||
|
||||
var pPostloop = pCode.then(function(expCode) {
|
||||
setTimeout(function() {
|
||||
var resPostloop = evaluate(exp.postloop, workerScript);
|
||||
resolve(resPostloop);
|
||||
}, 3000);
|
||||
});
|
||||
|
||||
var pCond = pPostloop.then(function(expPostloop) {
|
||||
setTimeout(function() {
|
||||
var resCond = evaluate(exp.cond, workerScript);
|
||||
resolve(resCond);
|
||||
}, 3000);
|
||||
});
|
||||
|
||||
pCond.then(function(resCond) {
|
||||
expCond = resCond;
|
||||
//Do i need resolve here?
|
||||
});
|
||||
}
|
||||
});
|
||||
|
||||
|
||||
//TODO I don't think I need to return anything..but I might be wrong
|
||||
break;
|
||||
case "while":
|
||||
var pCond = new Promise(function(resolve, reject) {
|
||||
setTimeout(function() {
|
||||
var resCond = evaluate(exp.cond, workerScript);
|
||||
resolve(resCond);
|
||||
}, 3000);
|
||||
});
|
||||
|
||||
pCond.then(function(expCond) {
|
||||
while (expCond) {
|
||||
var pCode = new Promise(function(resolve, reject) {
|
||||
setTimeout(function() {
|
||||
var resCode = evaluate(exp.code, workerScript);
|
||||
resolve(resCode);
|
||||
}, 3000);
|
||||
});
|
||||
|
||||
pCode.then(function(expCode) {
|
||||
expCond = evaluate(exp.cond, workerScript);
|
||||
//Do i need resolve here?
|
||||
});
|
||||
}
|
||||
});
|
||||
|
||||
|
||||
|
||||
//TODO I don't think I need to return anything..but I might be wrong
|
||||
break;
|
||||
case "prog":
|
||||
var val = false;
|
||||
exp.prog.forEach(function(exp){
|
||||
var pExp = new Promise(function(resolve, reject) {
|
||||
setTimeout(function() {
|
||||
var resExp = evaluate(exp, workerScript);
|
||||
resolve(resExp);
|
||||
}, 3000);
|
||||
});
|
||||
|
||||
pExp.then(function(resExp) {
|
||||
val = resExp;
|
||||
});
|
||||
});
|
||||
|
||||
return val;
|
||||
|
||||
/* Currently supported function calls:
|
||||
* hack()
|
||||
* sleep(N) - sleep N seconds
|
||||
* print(x) - Prints a variable or constant
|
||||
*
|
||||
*/
|
||||
case "call":
|
||||
//Define only valid function calls here, like hack() and stuff
|
||||
//var func = evaluate(exp.func, env);
|
||||
//return func.apply(null, exp.args.map(function(arg){
|
||||
// return evaluate(arg, env);
|
||||
//}));
|
||||
if (exp.func.value == "hack") {
|
||||
console.log("Execute hack()");
|
||||
} else if (exp.func.value == "sleep") {
|
||||
console.log("Execute sleep()");
|
||||
} else if (exp.func.value == "print") {
|
||||
post(evaluate(exp.args[0], workerScript).toString());
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
throw new Error("I don't know how to evaluate " + exp.type);
|
||||
}
|
||||
}
|
||||
|
||||
function apply_op(op, a, b) {
|
||||
function num(x) {
|
||||
if (typeof x != "number")
|
||||
throw new Error("Expected number but got " + x);
|
||||
return x;
|
||||
}
|
||||
function div(x) {
|
||||
if (num(x) == 0)
|
||||
throw new Error("Divide by zero");
|
||||
return x;
|
||||
}
|
||||
switch (op) {
|
||||
case "+": return num(a) + num(b);
|
||||
case "-": return num(a) - num(b);
|
||||
case "*": return num(a) * num(b);
|
||||
case "/": return num(a) / div(b);
|
||||
case "%": return num(a) % div(b);
|
||||
case "&&": return a !== false && b;
|
||||
case "||": return a !== false ? a : b;
|
||||
case "<": return num(a) < num(b);
|
||||
case ">": return num(a) > num(b);
|
||||
case "<=": return num(a) <= num(b);
|
||||
case ">=": return num(a) >= num(b);
|
||||
case "==": return a === b;
|
||||
case "!=": return a !== b;
|
||||
}
|
||||
throw new Error("Can't apply operator " + op);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/* Environment
|
||||
* NetScript program environment
|
||||
*/
|
||||
function Environment(parent) {
|
||||
this.vars = Object.create(parent ? parent.vars : null);
|
||||
this.parent = parent;
|
||||
}
|
||||
Environment.prototype = {
|
||||
//Create a "subscope", which is a new new "sub-environment"
|
||||
//The subscope is linked to this through its parent variable
|
||||
extend: function() {
|
||||
return new Environment(this);
|
||||
},
|
||||
|
||||
//Finds the scope where the variable with the given name is defined
|
||||
lookup: function(name) {
|
||||
var scope = this;
|
||||
while (scope) {
|
||||
if (Object.prototype.hasOwnProperty.call(scope.vars, name))
|
||||
return scope;
|
||||
scope = scope.parent;
|
||||
}
|
||||
},
|
||||
|
||||
//Get the current value of a variable
|
||||
get: function(name) {
|
||||
if (name in this.vars)
|
||||
return this.vars[name];
|
||||
throw new Error("Undefined variable " + name);
|
||||
},
|
||||
|
||||
//Sets the value of a variable in any scope
|
||||
set: function(name, value) {
|
||||
var scope = this.lookup(name);
|
||||
// let's not allow defining globals from a nested environment
|
||||
//
|
||||
// If scope is null (aka existing variable with name could not be found)
|
||||
// and this is NOT the global scope, throw error
|
||||
if (!scope && this.parent)
|
||||
throw new Error("Undefined variable " + name);
|
||||
return (scope || this).vars[name] = value;
|
||||
},
|
||||
|
||||
//Creates (or overwrites) a variable in the current scope
|
||||
def: function(name, value) {
|
||||
return this.vars[name] = value;
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
|
||||
|
||||
/* Parser
|
||||
* Creates Abstract Syntax Tree Nodes
|
||||
* Operates on a stream of tokens from the Tokenizer
|
||||
*/
|
||||
|
||||
var FALSE = {type: "bool", value: false};
|
||||
|
||||
function Parser(input) {
|
||||
var PRECEDENCE = {
|
||||
"=": 1,
|
||||
"||": 2,
|
||||
"&&": 3,
|
||||
"<": 7, ">": 7, "<=": 7, ">=": 7, "==": 7, "!=": 7,
|
||||
"+": 10, "-": 10,
|
||||
"*": 20, "/": 20, "%": 20,
|
||||
};
|
||||
return parse_toplevel();
|
||||
|
||||
//Returns true if the next token is a punc type with value ch
|
||||
function is_punc(ch) {
|
||||
var tok = input.peek();
|
||||
return tok && tok.type == "punc" && (!ch || tok.value == ch) && tok;
|
||||
}
|
||||
|
||||
//Returns true if the next token is the kw keyword
|
||||
function is_kw(kw) {
|
||||
var tok = input.peek();
|
||||
return tok && tok.type == "kw" && (!kw || tok.value == kw) && tok;
|
||||
}
|
||||
|
||||
//Returns true if the next token is an op type with the given op value
|
||||
function is_op(op) {
|
||||
var tok = input.peek();
|
||||
return tok && tok.type == "op" && (!op || tok.value == op) && tok;
|
||||
}
|
||||
|
||||
//Checks that the next character is the given punctuation character and throws
|
||||
//an error if it's not. If it is, skips over it in the input
|
||||
function checkPuncAndSkip(ch) {
|
||||
if (is_punc(ch)) input.next();
|
||||
else input.croak("Expecting punctuation: \"" + ch + "\"");
|
||||
}
|
||||
|
||||
//Checks that the next character is the given keyword and throws an error
|
||||
//if its not. If it is, skips over it in the input
|
||||
function checkKeywordAndSkip(kw) {
|
||||
if (is_kw(kw)) input.next();
|
||||
else input.croak("Expecting keyword: \"" + kw + "\"");
|
||||
}
|
||||
|
||||
//Checks that the next character is the given operator and throws an error
|
||||
//if its not. If it is, skips over it in the input
|
||||
function checkOpAndSkip(op) {
|
||||
if (is_op(op)) input.next();
|
||||
else input.croak("Expecting operator: \"" + op + "\"");
|
||||
}
|
||||
|
||||
function unexpected() {
|
||||
input.croak("Unexpected token: " + JSON.stringify(input.peek()));
|
||||
}
|
||||
|
||||
function maybe_binary(left, my_prec) {
|
||||
var tok = is_op();
|
||||
if (tok) {
|
||||
var his_prec = PRECEDENCE[tok.value];
|
||||
if (his_prec > my_prec) {
|
||||
input.next();
|
||||
return maybe_binary({
|
||||
type : tok.value == "=" ? "assign" : "binary",
|
||||
operator : tok.value,
|
||||
left : left,
|
||||
right : maybe_binary(parse_atom(), his_prec)
|
||||
}, my_prec);
|
||||
}
|
||||
}
|
||||
return left;
|
||||
}
|
||||
|
||||
function delimited(start, stop, separator, parser) {
|
||||
var a = [], first = true;
|
||||
checkPuncAndSkip(start);
|
||||
while (!input.eof()) {
|
||||
if (is_punc(stop)) break;
|
||||
if (first) first = false; else checkPuncAndSkip(separator);
|
||||
if (is_punc(stop)) break;
|
||||
a.push(parser());
|
||||
}
|
||||
checkPuncAndSkip(stop);
|
||||
return a;
|
||||
}
|
||||
|
||||
function parse_call(func) {
|
||||
return {
|
||||
type: "call",
|
||||
func: func,
|
||||
args: delimited("(", ")", ",", parse_expression),
|
||||
};
|
||||
}
|
||||
|
||||
function parse_varname() {
|
||||
var name = input.next();
|
||||
if (name.type != "var") input.croak("Expecting variable name");
|
||||
return name.value;
|
||||
}
|
||||
|
||||
/* type: "if",
|
||||
* cond: [ {"type": "var", "value": "cond1"}, {"type": "var", "value": "cond2"}...]
|
||||
* then: [ {"type": "var", "value": "then1"}, {"type": "var", "value": "then2"}...]
|
||||
* else: {"type": "var", "value": "foo"}
|
||||
*/
|
||||
function parse_if() {
|
||||
console.log("Parsing if token");
|
||||
checkKeywordAndSkip("if");
|
||||
|
||||
//Conditional
|
||||
var cond = parse_expression();
|
||||
|
||||
//Body
|
||||
var then = parse_expression();
|
||||
var ret = {
|
||||
type: "if",
|
||||
cond: [],
|
||||
then: [],
|
||||
};
|
||||
ret.cond.push(cond);
|
||||
ret.then.push(then);
|
||||
|
||||
// Parse all elif branches
|
||||
while (is_kw("elif")) {
|
||||
input.next();
|
||||
var cond = parse_expression();
|
||||
var then = parse_expression();
|
||||
ret.cond.push(cond);
|
||||
ret.then.push(then);
|
||||
}
|
||||
|
||||
// Parse else branch, if it exists
|
||||
if (is_kw("else")) {
|
||||
input.next();
|
||||
ret.else = parse_expression();
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* for (init, cond, postloop) {code;}
|
||||
*
|
||||
* type: "for",
|
||||
* init: assign node,
|
||||
* cond: var node,
|
||||
* postloop: assign node
|
||||
* code: prog node
|
||||
*/
|
||||
function parse_for() {
|
||||
console.log("Parsing for token");
|
||||
checkKeywordAndSkip("for");
|
||||
|
||||
splitExpressions = delimited("(", ")", ";", parse_expression);
|
||||
console.log("Parsing code in for loop");
|
||||
code = parse_expression();
|
||||
|
||||
if (splitExpressions.length != 3) {
|
||||
throw new Error("for statement has incorrect number of arugments");
|
||||
}
|
||||
|
||||
//TODO Check type of the init, cond, and postloop nodes
|
||||
return {
|
||||
type: "for",
|
||||
init: splitExpressions[0],
|
||||
cond: splitExpressions[1],
|
||||
postloop: splitExpressions[2],
|
||||
code: code
|
||||
}
|
||||
}
|
||||
|
||||
/* while (cond) {}
|
||||
*
|
||||
* type: "while",
|
||||
* cond: var node
|
||||
* code: prog node
|
||||
*/
|
||||
function parse_while() {
|
||||
console.log("Parsing while token");
|
||||
checkKeywordAndSkip("while");
|
||||
|
||||
var cond = parse_expression();
|
||||
var code = parse_expression();
|
||||
return {
|
||||
type: "while",
|
||||
cond: cond,
|
||||
code: code
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
function parse_bool() {
|
||||
return {
|
||||
type : "bool",
|
||||
value : input.next().value == "true"
|
||||
};
|
||||
}
|
||||
|
||||
function maybe_call(expr) {
|
||||
expr = expr();
|
||||
return is_punc("(") ? parse_call(expr) : expr;
|
||||
}
|
||||
|
||||
function parse_atom() {
|
||||
return maybe_call(function(){
|
||||
if (is_punc("(")) {
|
||||
input.next();
|
||||
var exp = parse_expression();
|
||||
checkPuncAndSkip(")");
|
||||
return exp;
|
||||
}
|
||||
if (is_punc("{")) return parse_prog();
|
||||
if (is_kw("if")) return parse_if();
|
||||
if (is_kw("for")) return parse_for();
|
||||
if (is_kw("while")) return parse_while();
|
||||
//Note, let for loops be function calls (call node types)
|
||||
if (is_kw("true") || is_kw("false")) return parse_bool();
|
||||
|
||||
var tok = input.next();
|
||||
if (tok.type == "var" || tok.type == "num" || tok.type == "str")
|
||||
return tok;
|
||||
unexpected();
|
||||
});
|
||||
}
|
||||
|
||||
function parse_toplevel() {
|
||||
var prog = [];
|
||||
while (!input.eof()) {
|
||||
prog.push(parse_expression());
|
||||
if (!input.eof()) checkPuncAndSkip(";");
|
||||
}
|
||||
//Return the top level Abstract Syntax Tree, where the top node is a "prog" node
|
||||
return { type: "prog", prog: prog };
|
||||
}
|
||||
|
||||
function parse_prog() {
|
||||
console.log("Parsing prog token");
|
||||
var prog = delimited("{", "}", ";", parse_expression);
|
||||
if (prog.length == 0) return FALSE;
|
||||
if (prog.length == 1) return prog[0];
|
||||
return { type: "prog", prog: prog };
|
||||
}
|
||||
|
||||
function parse_expression() {
|
||||
return maybe_call(function(){
|
||||
return maybe_binary(parse_atom(), 0);
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* Tokenizer
|
||||
* Acts on top of the InputStream class. Takes in a character input stream and and parses it into tokens.
|
||||
* Tokens can be accessed with peek() and next().
|
||||
*
|
||||
* Token types:
|
||||
* {type: "punc", value: "(" } // punctuation: parens, comma, semicolon etc.
|
||||
* {type: "num", value: 5 } // numbers (including floats)
|
||||
* {type: "str", value: "Hello World!" } // strings
|
||||
* {type: "kw", value: "for/if/" } // keywords, see defs below
|
||||
* {type: "var", value: "a" } // identifiers/variables
|
||||
* {type: "op", value: "!=" } // operator characters
|
||||
* {type: "bool", value: "true" } // Booleans
|
||||
*
|
||||
*/
|
||||
|
||||
function Tokenizer(input) {
|
||||
var current = null;
|
||||
var keywords = " if elif else true false while for ";
|
||||
|
||||
return {
|
||||
next : next,
|
||||
peek : peek,
|
||||
eof : eof,
|
||||
croak : input.croak
|
||||
}
|
||||
|
||||
function is_keyword(x) {
|
||||
return keywords.indexOf(" " + x + " ") >= 0;
|
||||
}
|
||||
|
||||
function is_digit(ch) {
|
||||
return /[0-9]/i.test(ch);
|
||||
}
|
||||
|
||||
//An identifier can start with any letter or an underscore
|
||||
function is_id_start(ch) {
|
||||
return /[a-z_]/i.test(ch);
|
||||
}
|
||||
|
||||
function is_id(ch) {
|
||||
return is_id_start(ch) || "?!-<>=0123456789".indexOf(ch) >= 0;
|
||||
}
|
||||
|
||||
function is_op_char(ch) {
|
||||
return "+-*/%=&|<>!".indexOf(ch) >= 0;
|
||||
}
|
||||
|
||||
function is_punc(ch) {
|
||||
return ",;(){}[]".indexOf(ch) >= 0;
|
||||
}
|
||||
|
||||
function is_whitespace(ch) {
|
||||
return " \t\n".indexOf(ch) >= 0;
|
||||
}
|
||||
|
||||
function read_while(predicate) {
|
||||
var str = "";
|
||||
while (!input.eof() && predicate(input.peek()))
|
||||
str += input.next();
|
||||
return str;
|
||||
}
|
||||
|
||||
function read_number() {
|
||||
var has_dot = false;
|
||||
//Reads the number from the input. Checks for only a single decimal point
|
||||
var number = read_while(function(ch){
|
||||
if (ch == ".") {
|
||||
if (has_dot) return false;
|
||||
has_dot = true;
|
||||
return true;
|
||||
}
|
||||
return is_digit(ch);
|
||||
});
|
||||
return { type: "num", value: parseFloat(number) };
|
||||
}
|
||||
|
||||
//This function also checks the identifier against a list of known keywords (defined at the top)
|
||||
//and will return a kw object rather than identifier if it is one
|
||||
function read_ident() {
|
||||
//Identifier must start with a letter or underscore..and can contain anything from ?!-<>=0123456789
|
||||
var id = read_while(is_id);
|
||||
return {
|
||||
type : is_keyword(id) ? "kw" : "var",
|
||||
value : id
|
||||
};
|
||||
}
|
||||
|
||||
function read_escaped(end) {
|
||||
var escaped = false, str = "";
|
||||
input.next(); //Skip the quotation mark
|
||||
while (!input.eof()) {
|
||||
var ch = input.next();
|
||||
if (escaped) {
|
||||
str += ch;
|
||||
escaped = false;
|
||||
} else if (ch == "\\") {
|
||||
escaped = true;
|
||||
} else if (ch == end) {
|
||||
break;
|
||||
} else {
|
||||
str += ch;
|
||||
}
|
||||
}
|
||||
return str;
|
||||
}
|
||||
|
||||
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
|
||||
function skip_comment() {
|
||||
read_while(function(ch){ return ch != "\n" });
|
||||
input.next();
|
||||
}
|
||||
|
||||
//Gets the next token
|
||||
function read_next() {
|
||||
//Skip over whitespace
|
||||
read_while(is_whitespace);
|
||||
|
||||
if (input.eof()) return null;
|
||||
|
||||
//Peek the next character and decide what to do based on what that
|
||||
//next character is
|
||||
var ch = input.peek();
|
||||
|
||||
if (ch == "//") {
|
||||
skip_comment();
|
||||
return read_next();
|
||||
}
|
||||
|
||||
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 {
|
||||
type : "punc",
|
||||
value : input.next()
|
||||
}
|
||||
if (is_op_char(ch)) return {
|
||||
type : "op",
|
||||
value : read_while(is_op_char)
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
function peek() {
|
||||
//Returns current token, unless its null in which case it grabs the next one
|
||||
//and returns it
|
||||
return current || (current = read_next());
|
||||
}
|
||||
|
||||
function next() {
|
||||
//The token might have been peaked already, in which case read_next() was already
|
||||
//called so just return current
|
||||
var tok = current;
|
||||
current = null;
|
||||
return tok || read_next();
|
||||
}
|
||||
|
||||
function eof() {
|
||||
return peek() == null;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* InputStream class. Creates a "stream object" that provides operations to read
|
||||
* from a string. */
|
||||
function InputStream(input) {
|
||||
var pos = 0, line = 1, col = 0;
|
||||
return {
|
||||
next : next,
|
||||
peek : peek,
|
||||
eof : eof,
|
||||
croak : croak,
|
||||
};
|
||||
function next() {
|
||||
var ch = input.charAt(pos++);
|
||||
if (ch == "\n") line++, col = 0; else col++;
|
||||
return ch;
|
||||
}
|
||||
function peek() {
|
||||
return input.charAt(pos);
|
||||
}
|
||||
function eof() {
|
||||
return peek() == "";
|
||||
}
|
||||
function croak(msg) {
|
||||
throw new Error(msg + " (" + line + ":" + col + ")");
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* Object that defines the performance/statistics of the script,
|
||||
* such as how much money it has stolen from every Foreign Server
|
||||
* and how much exp it has gained for the player.
|
||||
*
|
||||
* Every NetscriptWorker has its own ScriptStats object that is passed
|
||||
* back to the main thread regularly. The main thread then uses the information
|
||||
* from the object to change the game state. Then, the worker resets the Script Stats
|
||||
* object and continues. */
|
||||
function ScriptStats() {
|
||||
ECorpMoneyHacked = 0;
|
||||
ECorpTimesHacked = 0;
|
||||
MegaCorpMoneyHacked = 0;
|
||||
MegaCorpTimesHacked = 0;
|
||||
BachmanAndAssociatesMoneyHacked = 0;
|
||||
BachmanAndAssociatesTimesHacked = 0;
|
||||
NWOMoneyHacked = 0;
|
||||
NWOTimesHacked = 0;
|
||||
ClarkeIncorporatedMoneyHacked = 0;
|
||||
ClarkeIncorporatedTimesHacked = 0;
|
||||
OmniTekIncorporatedMoneyHacked = 0;
|
||||
OmniTekIncorporatedTimesHacked = 0;
|
||||
FourSigmaMoneyHacked = 0;
|
||||
FourSigmaTimesHacked = 0;
|
||||
KuaiGongInternationalMoneyHacked = 0;
|
||||
KuaiGongInternationalTimesHacked = 0;
|
||||
|
||||
FulcrumTechnologiesMoneyHacked = 0;
|
||||
FulcrumTechnologiesTimesHacked = 0;
|
||||
FulcrumSecretTechnologiesMoneyHacked = 0;
|
||||
FulcrumSecretTechnologiesTimesHacked = 0;
|
||||
StormTechnologiesMoneyHacked = 0;
|
||||
StormTechnologiesTimesHacked = 0;
|
||||
DefCommMoneyHacked = 0;
|
||||
DefCommTimesHacked = 0;
|
||||
InfoCommMoneyHacked = 0;
|
||||
InfoCommTimesHacked = 0;
|
||||
HeliosLabsMoneyHacked = 0;
|
||||
HeliosLabsTimesHacked = 0;
|
||||
VitaLifeMoneyHacked = 0;
|
||||
VitaLifeTimesHacked = 0;
|
||||
IcarusMicrosystemsMoneyHacked = 0;
|
||||
IcarusMicrosystemsTimesHacked = 0;
|
||||
UniversalEnergyMoneyHacked = 0;
|
||||
UniversalEnergyTimesHacked = 0;
|
||||
TitanLabsMoneyHacked = 0;
|
||||
TitanLabsTimesHacked = 0;
|
||||
MicrodyneTechnologiesMoneyHacked = 0;
|
||||
MicrodyneTechnologiesTimesHacked = 0;
|
||||
TaiYangDigitalMoneyHacked = 0;
|
||||
TaiYangDigitalTimesHacked = 0;
|
||||
GalacticCybersystemsMoneyHacked = 0;
|
||||
GalacticCybersystemsTimesHacked = 0;
|
||||
|
||||
AeroCorpMoneyHacked = 0;
|
||||
AeroCorpTimesHacked = 0;
|
||||
OmniaCybersystemsMoneyHacked = 0;
|
||||
OmniaCybersystemsTimesHacked = 0;
|
||||
ZBDefenseMoneyHacked = 0;
|
||||
ZBDefenseTimesHacked = 0;
|
||||
AppliedEnergeticsMoneyHacked = 0;
|
||||
AppliedEnergeticsTimesHacked = 0;
|
||||
SolarisSpaceSystemsMoneyHacked = 0;
|
||||
SolarisSpaceSystemsTimesHacked = 0;
|
||||
DeltaOneMoneyHacked = 0;
|
||||
DeltaOneTimesHacked = 0;
|
||||
|
||||
GlobalPharmaceuticalsMoneyHacked = 0;
|
||||
GlobalPharmaceuticalsTimesHacked = 0;
|
||||
NovaMedicalMoneyHacked = 0;
|
||||
NovaMedicalTimesHacked = 0;
|
||||
ZeusMedicalMoneyHacked = 0;
|
||||
ZeusMedicalTimesHacked = 0;
|
||||
UnitaLifeGroupMoneyHacked = 0;
|
||||
UnitaLifeGroupTimesHacked = 0;
|
||||
|
||||
LexoCorpMoneyHacked = 0;
|
||||
LexoCorpTimesHacked = 0;
|
||||
RhoConstructionMoneyHacked = 0;
|
||||
RhoConstructionTimesHacked = 0;
|
||||
AlphaEnterprisesMoneyHacked = 0;
|
||||
AlphaEnterprisesTimesHacked = 0;
|
||||
AevumPoliceMoneyHacked = 0;
|
||||
AevumPoliceTimesHacked = 0;
|
||||
RothmanUniversityMoneyHacked = 0;
|
||||
RothmanUniversityTimesHacked = 0;
|
||||
ZBInstituteOfTechnologyMoneyHacked = 0;
|
||||
ZBInstituteOfTechnologyTimesHacked = 0;
|
||||
SummitUniversityMoneyHacked = 0;
|
||||
SummitUniversityTimesHacked = 0;
|
||||
SysCoreSecuritiesMoneyHacked = 0;
|
||||
SysCoreSecuritiesTimesHacked = 0;
|
||||
CatalystVenturesMoneyHacked = 0;
|
||||
CatalystVenturesTimesHacked = 0;
|
||||
TheHubMoneyHacked = 0;
|
||||
TheHubTimesHacked = 0;
|
||||
CompuTekMoneyHacked = 0;
|
||||
CompuTekTimesHacked = 0;
|
||||
NetLinkTechnologiesMoneyHacked = 0;
|
||||
NetLinkTechnologiesTimesHacked = 0;
|
||||
JohnsonOrthopedicsMoneyHacked = 0;
|
||||
JohnsonOrthopedicsTimesHacked = 0;
|
||||
|
||||
FoodNStuffMoneyHacked = 0;
|
||||
FoodNStuffTimesHacked = 0;
|
||||
SigmaCosmeticsMoneyHacked = 0;
|
||||
SigmaCosmeticsTimesHacked = 0;
|
||||
JoesGunsMoneyHacked = 0;
|
||||
JoesGunsTimesHacked = 0;
|
||||
Zer0NightclubMoneyHacked = 0;
|
||||
Zer0NightclubTimesHacked = 0;
|
||||
NectarNightclubMoneyHacked = 0;
|
||||
NectarNightclubTimesHacked = 0;
|
||||
NeoNightclubMoneyHacked = 0;
|
||||
NeoNightclubTimesHacked = 0;
|
||||
SilverHelixMoneyHacked = 0;
|
||||
SilverHelixTimesHacked = 0;
|
||||
HongFangTeaHouseMoneyHacked = 0;
|
||||
HongFangTeaHouseTimesHacked = 0;
|
||||
HaraKiriSushiBarMoneyHacked = 0;
|
||||
HaraKiriSushiBarTimesHacked = 0;
|
||||
PhantasyMoneyHacked = 0;
|
||||
PhantasyTimesHacked = 0;
|
||||
MaxHardwareMoneyHacked = 0;
|
||||
MaxHardwareTimesHacked = 0;
|
||||
OmegaSoftwareMoneyHacked = 0;
|
||||
OmegaSoftwareTimesHacked = 0;
|
||||
|
||||
CrushFitnessGymMoneyHacked = 0;
|
||||
CrushFitnessGymTimesHacked = 0;
|
||||
IronGymMoneyHacked = 0;
|
||||
IronGymTimesHacked = 0;
|
||||
MilleniumFitnessGymMoneyHacked = 0;
|
||||
MilleniumFitnessGymTimesHacked = 0;
|
||||
PowerhouseGymMoneyHacked = 0;
|
||||
PowerhouseGymTimesHacked = 0;
|
||||
SnapFitnessGymMoneyHacked = 0;
|
||||
SnapFitnessGymTimesHacked = 0;
|
||||
}
|
||||
|
||||
ScriptStats.prototype.reset = function() {
|
||||
for (var key in this) {
|
||||
if (this.hasOwnProperty(key)) {
|
||||
this[key] = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* Actual Worker Code */
|
||||
function WorkerScript() {
|
||||
this.name = "";
|
||||
this.running = false;
|
||||
this.code = "";
|
||||
this.env = new Environment();
|
||||
this.timeout = null;
|
||||
}
|
||||
|
||||
var scriptStats = new ScriptStats();
|
||||
|
||||
var workerForeignServers = null;
|
||||
var workerPlayer = null;
|
||||
var workerScripts = [];
|
||||
|
||||
self.addEventListener('message', msgRecvHandler);
|
||||
function msgRecvHandler(e) {
|
||||
/* The first element of the data array from main thread specifies
|
||||
* what kind of data it is:
|
||||
* Status Update
|
||||
* Start Script
|
||||
* Stop Script
|
||||
*/
|
||||
if (e.data.type == "Status Update") {
|
||||
console.log("Status update received in Script Web Worker");
|
||||
ForeignServersScript = JSON.parse(e.data.buf1);
|
||||
PlayerScript = JSON.parse(e.data.buf2);
|
||||
} else if (e.data.type == "Start Script") {
|
||||
var s = new WorkerScript();
|
||||
s.name = e.data.buf1;
|
||||
s.code = e.data.buf2;
|
||||
workerScripts.push(s);
|
||||
} else if (e.data.type == "Stop Script") {
|
||||
var scriptName = e.data.buf1;
|
||||
for (var i = 0; i < workerScripts.length; i++) {
|
||||
if (workerScripts[i].name == scriptName) {
|
||||
//Stop the script from running and then remove it from workerScripts
|
||||
clearTimeout(workerScripts[i].timeout);
|
||||
workerScripts.splice(i, 1);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
var ast = Parser(Tokenizer(InputStream(code)));
|
||||
var globalEnv = new Environment();
|
||||
|
||||
evaluate(ast, globalEnv);
|
||||
}
|
||||
|
||||
//Loop through workerScripts and run every script that is not currently running
|
||||
function runScriptsLoop() {
|
||||
console.log("runScriptsLoop() iteration");
|
||||
for (var i = 0; i < workerScripts.length; i++) {
|
||||
if (workerScripts[i].running == false) {
|
||||
var ast = Parser(Tokenizer(InputStream(workerScripts[i].code)));
|
||||
|
||||
evaluate(ast, workerScripts[i]);
|
||||
workerScripts[i].running = true;
|
||||
}
|
||||
}
|
||||
|
||||
setTimeout(runScriptsLoop, 10000);
|
||||
}
|
||||
|
||||
runScriptsLoop();
|
||||
@ -18,7 +18,7 @@ function Server() {
|
||||
this.cpuSpeed = 1; //MHz
|
||||
|
||||
this.scripts = [];
|
||||
this.runningScripts = []; //Scripts currently being run
|
||||
this.runningScripts = []; //Names of scripts currently being run
|
||||
this.programs = [];
|
||||
|
||||
/* Hacking information (only valid for "foreign" aka non-purchased servers) */
|
||||
|
||||
@ -393,7 +393,7 @@ var Terminal = {
|
||||
return;
|
||||
}
|
||||
}
|
||||
post("ERROR: No such executable");
|
||||
post("ERROR: No such executable on home computer (Programs can only be run from home computer)");
|
||||
},
|
||||
|
||||
//Contains the implementations of all possible programs
|
||||
@ -420,7 +420,26 @@ var Terminal = {
|
||||
},
|
||||
|
||||
runScript: function(scriptName) {
|
||||
//Check if this script is already running
|
||||
for (var i = 0; i < Player.currentServer.runningScripts.length; i++) {
|
||||
if (Player.currentServer.runningScripts[i] == scriptName) {
|
||||
post("ERROR: This script is already running. Cannot run multiple instances");
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
//Check if the script exists and if it does run it
|
||||
for (var i = 0; i < Player.currentServer.scripts.length; i++) {
|
||||
if (Player.currentServer.scripts[i] == scriptName) {
|
||||
if (Player.currentServer.hasAdminRights == false) {
|
||||
post("Need root access to run script");
|
||||
} else {
|
||||
//TODO Run script here
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
post("ERROR: No such script");
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
@ -147,13 +147,16 @@ var Engine = {
|
||||
},
|
||||
|
||||
/* Main Event Loop */
|
||||
_scriptUpdateStatusCounter: 0,
|
||||
idleTimer: function() {
|
||||
//Get time difference
|
||||
var _thisUpdate = new Date().getTime();
|
||||
var diff = _thisUpdate - Engine._lastUpdate;
|
||||
|
||||
|
||||
//Divide this by cycle time to determine how many cycles have elapsed since last update
|
||||
diff = Math.round(diff / Engine._idleSpeed);
|
||||
|
||||
Engine._scriptUpdateStatusCounter += diff;
|
||||
|
||||
if (diff > 0) {
|
||||
//Update the game engine by the calculated number of cycles
|
||||
@ -161,6 +164,12 @@ var Engine = {
|
||||
Engine._lastUpdate = _thisUpdate;
|
||||
}
|
||||
|
||||
if (Engine._scriptUpdateStatusCounter >= 50) {
|
||||
console.log("Updating Script Status");
|
||||
Engine._scriptUpdateStatusCounter = 0;
|
||||
Engine.updateScriptStatus();
|
||||
}
|
||||
|
||||
window.requestAnimationFrame(Engine.idleTimer);
|
||||
},
|
||||
|
||||
@ -217,6 +226,16 @@ var Engine = {
|
||||
}
|
||||
},
|
||||
|
||||
/* NetScript Web Worker Stuff */
|
||||
_scriptWebWorker: null,
|
||||
updateScriptStatus: function() {
|
||||
Engine._scriptWebWorker.postMessage(
|
||||
{'type': "Status Update",
|
||||
'buf1': JSON.stringify(ForeignServers),
|
||||
'buf2': JSON.stringify(Player)}
|
||||
)
|
||||
},
|
||||
|
||||
/* Initialization */
|
||||
init: function() {
|
||||
//Initialization functions
|
||||
@ -233,6 +252,9 @@ var Engine = {
|
||||
CompanyPositions.init();
|
||||
}
|
||||
|
||||
if (window.Worker) {
|
||||
Engine._scriptWebWorker = new Worker("netscript/NetscriptWorker.js");
|
||||
}
|
||||
|
||||
//Load, save, and delete buttons
|
||||
//Engine.Clickables.saveButton = document.getElementById("save");
|
||||
|
||||
Loading…
Reference in New Issue
Block a user