public virtual string Eval(string expression, out NSJSException exception)
{
if (expression == null)
{
throw new ArgumentNullException("expression");
}
if (string.IsNullOrEmpty(expression))
{
throw new ArgumentException("expression");
}
NSJSException exception_info = null;
string result = null;
this.Executing(() =>
{
byte[] ch = NSJSString.GetUTF8StringBuffer(expression);
fixed(byte *s = ch)
{
sbyte *p = nsjs_virtualmachine_eval(this.Handle, s, ref *this.exception);
exception_info = NSJSException.From(this, this.exception);
result = p != null ? new string(p) : null;
NSJSMemoryManagement.Free(p);
return(result);
}
});
exception = exception_info;
return(result);
}
public static NSJSString New(NSJSVirtualMachine machine, string value)
{
if (machine == null)
{
throw new ArgumentNullException("machine");
}
IntPtr isolate = machine.Isolate;
if (isolate == NULL)
{
throw new InvalidOperationException("machine");
}
IntPtr handle = NULL;
if (value == null)
{
handle = nsjs_localvalue_string_new(isolate, null, 0);
}
else
{
int count;
byte[] cch = NSJSString.GetUTF8StringBuffer(value, out count);
fixed(byte *p = cch)
{
handle = nsjs_localvalue_string_new(isolate, p, count);
}
}
if (handle == NULL)
{
throw new InvalidOperationException("machine");
}
return(new NSJSString(handle, machine));
}
public static NSJSValue Parse(NSJSVirtualMachine machine, string json)
{
if (machine == null)
{
throw new ArgumentNullException("machine");
}
IntPtr isolate = machine.Isolate;
if (isolate == NULL)
{
throw new InvalidOperationException("machine");
}
if (string.IsNullOrEmpty(json))
{
return(NSJSValue.Null(machine));
}
IntPtr handle = NULL;
int count;
byte[] cch = NSJSString.GetUTF8StringBuffer(json, out count);
fixed(byte *p = cch)
{
handle = nsjs_localvalue_json_parse(isolate, p, count);
}
if (handle == NULL)
{
throw new ArgumentOutOfRangeException("json");
}
return(NSJSValueBuilder.From(handle, machine));
}
protected internal virtual IntPtr GetPropertyAndReturnHandle(string key)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
if (key.Length <= 0)
{
throw new ArgumentException("key");
}
byte[] buffer = NSJSString.GetUTF8StringBuffer(key);
if (buffer == null || buffer.Length <= 0)
{
return(NULL);
}
fixed(byte *sz = buffer)
{
if (*sz == '\x0')
{
return(NULL);
}
return(nsjs_localvalue_object_property_get(this.Isolate, this.Handle, sz));
}
}
public virtual string Run(string source, string alias, out NSJSException exception)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
NSJSException exception_info = null;
string result = null;
try
{
lock (this)
{
RunContext context = new RunContext();
if (this.runings.TryGetValue(source, out context))
{
result = context.result;
exception_info = context.exception;
return(result);
}
}
result = this.Executing((() =>
{
byte[] alias_buffer = null;
if (alias != null)
{
alias_buffer = NSJSString.GetUTF8StringBuffer(alias);
}
byte[] source_buffer = NSJSString.GetUTF8StringBuffer(source);
fixed(byte *pstr_source = source_buffer)
{
fixed(byte *pstr_alias = alias_buffer)
{
sbyte *pstr_result = nsjs_virtualmachine_run(this.Handle,
pstr_source, pstr_alias, ref *this.exception);
string result_str = pstr_result != null ? new string(pstr_result) : null;
NSJSMemoryManagement.Free(pstr_result);
exception_info = NSJSException.From(this, this.exception);
return(result_str);
}
}
}));
lock (this)
{
RunContext context = new RunContext()
{
exception = exception_info,
result = result,
alias = alias,
source = source
};
this.runings.Add(source, context);
}
return(result);
}
finally
{
exception = exception_info;
}
}
static NSJSVirtualMachine()
{
fixed(byte *exce_path = NSJSString.GetUTF8StringBuffer(Application.ExecutablePath))
{
nsjs_initialize(exce_path);
}
}
public static void Throw(NSJSVirtualMachine machine, string message, NSJSErrorKind kind)
{
if (machine == null)
{
throw new ArgumentNullException("machine");
}
if (message == null)
{
throw new ArgumentNullException("message");
}
IntPtr isolate = machine.Isolate;
if (isolate == NULL)
{
throw new InvalidOperationException("isolate");
}
if (!Enum.IsDefined(typeof(NSJSErrorKind), kind))
{
throw new NotSupportedException("kind");
}
byte[] cch = NSJSString.GetUTF8StringBuffer(message);
if (cch.Length <= 0)
{
cch = new byte[] { 0 };
}
fixed(byte *s = cch)
{
nsjs_exception_throw_error(isolate, s, kind);
}
}
public static bool InstanceOf(NSJSValue instance, string type)
{
if (instance == null || string.IsNullOrEmpty(type))
{
return(false);
}
return(nsjs_localvalue_instanceof(instance, NSJSString.New(instance.VirtualMachine, type)));
}
public void SetReturnValue(string value)
{
if (value == null)
{
this.SetReturnValue(NSJSValue.Null(this.VirtualMachine));
return;
}
this.SetReturnValue(NSJSString.New(this.VirtualMachine, value));
}
public virtual bool IsDefined(string key)
{
if (string.IsNullOrEmpty(key))
{
return(false);
}
NSJSFunction function = this.GetFrameworkFunction(RUNTIME_ISDEFINED_PROPERTYKEY);
return((function.Call(new NSJSValue[] { this, NSJSString.New(this.VirtualMachine, key) }) as NSJSInt32)?.Value == 1);
}
public virtual NSJSObject GetPropertyDescriptor(string key)
{
if (string.IsNullOrEmpty(key))
{
return(null);
}
NSJSFunction function = this.GetFrameworkFunction(RUNTIME_GETPROPERTYDESCRIPTOR_PROPERTYKEY);
return(function.Call(new NSJSValue[] { this, NSJSString.New(this.VirtualMachine, key) }) as NSJSObject);
}
public virtual bool Set(string name, string value, PropertyAttribute attributes = PropertyAttribute.None)
{
return(Handling <bool>(name, (s) =>
{
byte[] buffer = value != null ? NSJSString.GetUTF8StringBuffer(value) : null;
fixed(byte *pinned = buffer)
{
return nsjs_virtualmachine_extension_object_template_set_string(this.Handle, s, pinned, attributes);
}
}));
}
public virtual void DefineProperty(string key, NSJSFunctionCallback get, NSJSFunctionCallback set)
{
this.InternalDefineProperty(key, (machine, function) =>
{
NSJSValue[] s = new NSJSValue[]
{
this,
NSJSString.New(machine, key),
get == null ? NSJSValue.Undefined(machine) : NSJSFunction.New(machine, get),
set == null ? NSJSValue.Undefined(machine) : NSJSFunction.New(machine, set),
};
function.Call(s);
});
}
public virtual bool Remove(string key)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
if (key.Length <= 0)
{
throw new ArgumentException("key");
}
fixed(byte *s = NSJSString.GetUTF8StringBuffer(key))
{
return(nsjs_localvalue_object_property_delete(this.Isolate, this.Handle, s));
}
}
public virtual bool Set(string key, string value)
{
if (value == null)
{
return(this.Set(key, NSJSValue.Null(this.VirtualMachine)));
}
return(this.Set(key, (name) =>
{
if (value == null)
{
return nsjs_localvalue_object_property_set_string(this.Isolate, this.Handle, name, null, 0);
}
int count;
byte[] cch = NSJSString.GetUTF8StringBuffer(value, out count);
fixed(byte *s = cch)
{
return nsjs_localvalue_object_property_set_string(this.Isolate, this.Handle, name, s, count);
}
}));
}
protected virtual bool Set(string key, Func <IntPtr, bool> func)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
if (key.Length <= 0)
{
throw new ArgumentException("key");
}
if (func == null)
{
throw new ArgumentNullException("func");
}
fixed(byte *s = NSJSString.GetUTF8StringBuffer(key))
{
return(func((IntPtr)s));
}
}
private TResult Handling <TResult>(string name, Func <IntPtr, TResult> d)
{
if (d == null)
{
throw new ArgumentNullException("d");
}
if (name == null)
{
throw new ArgumentNullException("name");
}
if (name.Length <= 0)
{
throw new ArgumentException("name");
}
fixed(byte *p = NSJSString.GetUTF8StringBuffer(name))
{
return(d((IntPtr)p));
}
}
public virtual string Call(string name, IEnumerable <NSJSValue> args, out NSJSException exception)
{
NSJSException exception_info = null;
string result = null;
this.InternalCall(name, args, (List <IntPtr> argc) =>
{
fixed(byte *key = NSJSString.GetUTF8StringBuffer(name))
{
fixed(IntPtr * argv = argc.ToArray())
{
sbyte *chunk = nsjs_virtualmachine_call(this.Handle, key, argc.Count, argv, ref *this.exception);
exception_info = NSJSException.From(this, this.exception);
result = chunk != null ? new string(chunk) : null;
NSJSMemoryManagement.Free(chunk);
return(result);
}
}
});
exception = exception_info;
return(result);
}
public virtual NSJSValue Callvir(string name, IEnumerable <NSJSValue> args, out NSJSException exception)
{
NSJSException exception_info = null;
NSJSValue result = this.InternalCall(name, args, (List <IntPtr> argc) =>
{
fixed(byte *key = NSJSString.GetUTF8StringBuffer(name))
{
fixed(IntPtr * argv = argc.ToArray())
{
IntPtr handle = nsjs_virtualmachine_callvir(this.Handle, key, argc.Count, argv, ref *this.exception);
exception_info = NSJSException.From(this, this.exception);
if (handle == NULL)
{
return(null);
}
return(NSJSValueBuilder.From(handle, this));
}
}
});
exception = exception_info;
return(result);
}
public virtual NSJSValue Call(IEnumerable <string> args, out NSJSException exception)
{
IList <NSJSValue> argv = new List <NSJSValue>();
NSJSVirtualMachine machine = this.VirtualMachine;
foreach (string s in args)
{
NSJSValue value = null;
if (s == null)
{
value = NSJSValue.Null(machine);
}
else
{
value = NSJSString.New(machine, s);
}
if (value == null)
{
continue;
}
argv.Add(value);
}
return(this.Call(argv, out exception));
}
private static string sprint(NSJSFunctionCallbackInfo arguments, bool newline)
{
if (arguments == null)
{
throw new ArgumentNullException("arguments");
}
string contents = null;
if (arguments.Length <= 0)
{
return(contents);
}
try
{
string format = arguments.Length > 0 ? ValueAuxiliary.ToString(arguments[0]) : null;
if (format == null)
{
format = newline ? Environment.NewLine : string.Empty;
}
else if (newline)
{
format += Environment.NewLine;
}
int index = -1;
int previous = 0;
int solt = 1;
do
{
index = format.IndexOf('%', index + 1);
if (index > -1)
{
int ofs = index + 1;
for (int i = ofs; i < format.Length; i++)
{
char character = format[i];
char flags = '\0';
char pending = '\0';
int width = 0;
if (character == 'c')
{
if (solt >= arguments.Length)
{
break;
}
int count = (index - previous);
count = count < 0 ? 0 : count;
string g = format.Substring(previous, count);
if (!string.IsNullOrEmpty(g))
{
contents += g;
}
previous = i + 1;
contents += unchecked ((char)ValueAuxiliary.ToInt64(arguments[solt++]));
index = i;
break;
}
else if (character == '%')
{
int count = (i - previous);
count = count < 0 ? 0 : count;
string g = format.Substring(previous, count);
if (!string.IsNullOrEmpty(g))
{
contents += g;
}
previous = i + 1;
index = i;
break;
}
else if (character == 's')
{
if (solt >= arguments.Length)
{
break;
}
int count = (index - previous);
count = count < 0 ? 0 : count;
string g = format.Substring(previous, count);
if (!string.IsNullOrEmpty(g))
{
contents += g;
}
previous = i + 1;
contents += ValueAuxiliary.ToString(arguments[solt++]);
index = i;
break;
}
else if (character == 'i' || character == 'd' || character == 'u')
{
if (sprint_get_format_features(format, ofs, i, ref flags, ref pending, ref width))
{
if (solt >= arguments.Length)
{
break;
}
int count = (index - previous);
count = count < 0 ? 0 : count;
string g = format.Substring(previous, count);
if (!string.IsNullOrEmpty(g))
{
contents += g;
}
previous = i + 1;
string s = NSJSString.Cast(arguments[solt++]).Value;
if (flags == '+')
{
s = s.PadLeft(width, pending);
}
else
{
s = s.PadRight(width, pending);
}
contents += s;
index = i;
}
break;
}
else if (character == 'b')
{
if (solt >= arguments.Length)
{
break;
}
int count = (index - previous);
count = count < 0 ? 0 : count;
string g = format.Substring(previous, count);
if (!string.IsNullOrEmpty(g))
{
contents += g;
}
previous = i + 1;
contents += "0b" + Convert.ToString(ValueAuxiliary.ToInt64(arguments[solt++]), 2);
index = i;
break;
}
else if (character == 'o' || character == 'x' || character == 'X')
{
if (sprint_get_format_features(format, ofs, i, ref flags, ref pending, ref width))
{
if (solt >= arguments.Length)
{
break;
}
int count = (index - previous);
count = count < 0 ? 0 : count;
string g = format.Substring(previous, count);
if (!string.IsNullOrEmpty(g))
{
contents += g;
}
previous = i + 1;
int radix = character == 'o' ? 0x08 : 0x10;
string s = Convert.ToString(ValueAuxiliary.ToInt64(arguments[solt++]), radix);
if (flags == '+')
{
s = s.PadLeft(width, pending);
}
else
{
s = s.PadRight(width, pending);
}
if (radix == 0x10)
{
s = "0x" + (character == 'X' ? s.ToUpper() : s);
}
contents += s;
index = i;
}
break;
}
else if (character == 'p' || character == 'P')
{
if (sprint_get_format_features(format, ofs, i, ref flags, ref pending, ref width))
{
if (solt >= arguments.Length)
{
break;
}
int count = (index - previous);
count = count < 0 ? 0 : count;
string g = format.Substring(previous, count);
if (!string.IsNullOrEmpty(g))
{
contents += g;
}
previous = i + 1;
long ptr = Environment.Is64BitProcess ? ValueAuxiliary.ToInt64(arguments[solt++]) : ValueAuxiliary.ToInt32(arguments[solt++]);
string s = ptr.ToString(character == 'p' ? "x2" : "X2");
if (flags == '+')
{
s = s.PadLeft(width, pending);
}
else
{
s = s.PadRight(width, pending);
}
s = "0x" + s;
contents += s;
index = i;
}
break;
}
else if (character == 'f' || character == 'l' ||
character == 'e' || character == 'g' ||
character == 'E' || character == 'G') // lf
{
int mode = 0; // 0: 单精度浮点数，1：双精度浮点数，2：科学型浮点数数，3：常规型浮点数
int n = i + 1;
if (n < format.Length && format[n] == 'f') // lf
{
mode = 1;
i++;
}
else if (character == 'e' || character == 'E')
{
mode = 2;
}
else if (character == 'g' || character == 'G')
{
mode = 3;
}
if (sprint_get_format_features(format, ofs, i, ref flags, ref pending, ref width))
{
if (solt >= arguments.Length)
{
break;
}
int count = (index - previous);
count = count < 0 ? 0 : count;
string g = format.Substring(previous, count);
if (!string.IsNullOrEmpty(g))
{
contents += g;
}
previous = i + 1;
double num = ValueAuxiliary.ToDouble(arguments[solt++]);
string s = mode == 2 || mode == 3 ? num.ToString(character.ToString()) : num.ToString();
if (flags == '+')
{
s = s.PadLeft(width, pending);
}
else
{
s = s.PadRight(width, pending);
}
contents += s;
index = i;
}
break;
}
}
}
} while (index >= 0);
if (format.Length > previous)
{
string s = format.Substring(previous);
if (!string.IsNullOrEmpty(s))
{
contents += s;
}
}
}
catch (Exception)
{
contents = null;
}
return(contents);
}
public virtual string Call(string name, IEnumerable <string> args, out NSJSException exception)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (name.Length <= 0)
{
throw new ArgumentException("name");
}
NSJSException exception_info = null;
string result = null;
this.Executing <string>(() =>
{
IList <GCHandle?> cookies = new List <GCHandle?>(256);
IList <IntPtr> arguments = new List <IntPtr>(256);
cookies.Add(GCHandle.Alloc(NSJSString.GetUTF8StringBuffer(name), GCHandleType.Pinned));
int argc = 0;
if (args != null)
{
foreach (string s in args)
{
byte[] ch = null;
if (s != null)
{
ch = NSJSString.GetUTF8StringBuffer(s);
}
if (s == null || ch.Length <= 0)
{
cookies.Add(null);
arguments.Add(NULL);
}
else
{
GCHandle cookie = GCHandle.Alloc(ch, GCHandleType.Pinned);
cookies.Add(cookie);
arguments.Add(cookie.AddrOfPinnedObject());
}
argc++;
}
}
void **argv = null;
if (argc > 0)
{
void **ppv = stackalloc void *[argc];
for (int i = 0; i < argc; i++)
{
ppv[i] = arguments[i].ToPointer();
}
argv = ppv;
}
IntPtr chunk = nsjs_virtualmachine_call2(this.Handle, cookies[0].Value.AddrOfPinnedObject().ToPointer(), argc, argv, ref *this.exception);
exception_info = NSJSException.From(this, this.exception);
result = chunk != NULL ? new string((sbyte *)chunk.ToPointer()) : null;
foreach (GCHandle?cookie in cookies)
{
if (cookie == null)
{
continue;
}
cookie.Value.Free();
}
return(result);
});
exception = exception_info;
return(result);
}
