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First draft of a deser method
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@sorear
sorear committed Aug 16, 2012
1 parent 4647c66 commit 49c157f
Showing 1 changed file with 162 additions and 1 deletion.
163 changes: 162 additions & 1 deletion js/niecza.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,13 +4,104 @@

var Niecza = {};

var NUnit = Niecza.Unit = function() {
};
NUnit.thaw = function (tb) {
tb.reg(var n = new NUnit());

n.name = tb.string();
var srcinfo = tb.strings();
//if (Builtins.upcall_receiver != null) {
// object[] args = new object[srcinfo.Length + 1];
// Array.Copy(srcinfo, 0, args, 1, srcinfo.Length);
// args[0] = "check_dated";
// object result = Builtins.UpCall(args);
// if (result is Exception)
// throw (Exception)result;
// if ((string)result != "ok")
// throw new ThawException("dated sources");
//}

n.filename = tb.string();
n.source = tb.string();
n.asm_name = tb.string();
n.dll_name = tb.string();

n.owner = tb.obj();
// master-case initialization has to happen before potentially
// loading any *other* unit
if (n.owner == n) {
// is a master unit
// set this before any potential of aliasing
n.globals = {};
var ncon = tb.int();
//if (Backend.cross_level_load) {
// don't load a type, throw away constants
while (ncon-- > 0) {
tb.String();
tb.ObjRef();
}
//} else {
// Assembly assembly = Assembly.Load(n.asm_name);
// n.type = tb.type = assembly.GetType(n.asm_name, true);
// n.constants = new Dictionary<object,FieldInfo>();
// var fields = new Dictionary<string,FieldInfo>();
// foreach (FieldInfo fi in n.type.GetFields())
// fields[fi.Name] = fi;
// var meth = new Dictionary<string,MethodInfo>();

// foreach (MethodInfo mi in n.type.GetMethods())
// meth[mi.Name] = mi;
// RuntimeUnit.reg.methods[n.asm_name] = meth;
// while (ncon-- > 0) {
// FieldInfo fi = fields[tb.String()];
// object val = tb.ObjRef();
// n.constants[val] = fi;
// fi.SetValue(null, val);
// }
//}

var ct = tb.int();
while(ct--) {
n.globals[tb.string()] = tb.obj();
}
}
else {
n.globals = n.owner.globals;
if (n.globals == null) throw ("load goofed");
n.type = n.owner.type;
}

n.depended_units = tb.refs(); // XXX set
n.subordinates = tb.refs();
n.mainline = tb.ObjRef();
n.bottom = tb.ref();
n.our_subs = tb.refs();
n.is_mainish = tb.byte() != 0;

if (n.name == "CORE") {
//FieldInfo[] kf = typeof(Kernel).GetFields();
//Array.Sort<FieldInfo>(kf,
// (f1, f2) => string.CompareOrdinal(f1.Name, f2.Name));
//foreach (FieldInfo f in kf) {
// if (f.GetCustomAttributes(typeof(CORESavedAttribute), true).Length != 0) {
// f.SetValue(null, tb.ObjRef());
// }
//}
}
return n;
};


var NSer = Niecza.Serialization = {};
var NSCodes = Niecza.Serialization.Codes = {};

var NSThaw = Niecza.Serialization.Thaw = function (buffer, callback) {
this.buffer = buffer;
this.view = new DataView(buffer);
this.rawView = new Uint8Array(buffer);
this.offset = 0;
this.result = null;

try {
var sig = this.string();
Expand All @@ -20,11 +111,13 @@ var NSThaw = Niecza.Serialization.Thaw = function (buffer, callback) {
if (ver != this.VERSION)
throw "Version mismatch needed "+VERSION+" got "+ver;
console.log(sig,ver);
this.result = this.obj();
} catch(e) {
console.log(e);
callback(false, e);
return;
}
callback(true, this);
callback(true, this.result);
};

NSThaw.prototype.$className = 'Niecza.Serialization.Thaw';
Expand Down Expand Up @@ -64,6 +157,66 @@ NSThaw.prototype.uint = function() {
}
};

NSCodes.Null = 0;
NSCodes.ForeignRef = 1;
NSCodes.SelfRef = 2;
NSCodes.NewUnitRef = 3;
NSCodes.FakeUnitRef = 4;
NSCodes.RuntimeUnit = 5;
NSCodes.SubInfo = 6;
NSCodes.STable = 7;
NSCodes.StashEnt = 8;
NSCodes.Rat = 9;
NSCodes.FatRat = 10;
NSCodes.Complex = 11;
NSCodes.BigInteger = 12;
NSCodes.VarDeque = 13;
NSCodes.VarHash = 14;
NSCodes.DispatchEnt = 15;
NSCodes.RxFrame = 16;
NSCodes.P6how = 17;
NSCodes.ReflectObj = 18;
NSCodes.CC = 19;
NSCodes.AltInfo = 20;
NSCodes.Signature = 21;
NSCodes.Parameter = 22;
NSCodes.P6opaque = 23;
NSCodes.Frame = 24;
NSCodes.Cursor = 25;
NSCodes.String = 26;
NSCodes.ArrP6any = 27;
NSCodes.ArrVariable = 28;
NSCodes.ArrString = 29;
NSCodes.ArrCC = 30;
NSCodes.Boolean = 31;
NSCodes.Int = 32;
NSCodes.Double = 33;
NSCodes.Type = 34;
NSCodes.RWVariable = 35;
NSCodes.RWVariable_1 = 36;
NSCodes.ListVariable = 37;
NSCodes.SubstrLValue = 38;
NSCodes.TiedVariable = 39;
NSCodes.Blackhole = 40;
NSCodes.SubViviHook = 41;
NSCodes.ArrayViviHook = 42;
NSCodes.NewArrayViviHook = 43;
NSCodes.HashViviHook = 44;
NSCodes.NewHashViviHook = 45;
NSCodes.LADNone = 46;
NSCodes.LADNull = 47;
NSCodes.LADDot = 48;
NSCodes.LADDispatcher = 49;
NSCodes.LADImp = 50;
NSCodes.LADStr = 51;
NSCodes.LADStrNoCase = 52;
NSCodes.LADMethod = 53;
NSCodes.LADParam = 54;
NSCodes.LADQuant = 55;
NSCodes.LADSequence = 56;
NSCodes.LADAny = 57;
NSCodes.LADCC = 58;

NSThaw.prototype.string = function() {
var l = this.int();
if (l < 0) return null;
Expand All @@ -72,6 +225,14 @@ NSThaw.prototype.string = function() {
return String.fromCharCode.apply(String, ary); //ick
};

NSThaw.prototype.obj = function() {
var code = this.rawView[this.offset++];

switch (code) {
default:
throw "Unhandled serialization code " + code;
}
}

NSer.loadSerFileEnd = function(ev) {
var xhr = ev.target,
Expand Down

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