private static object JsConstructor(Context cx, IScriptable scope, object [] args)
{
int arglen = args.Length;
System.Text.StringBuilder sourceBuf = new System.Text.StringBuilder();
sourceBuf.Append("function ");
/* version != 1.2 Function constructor behavior -
* print 'anonymous' as the function name if the
* version (under which the function was compiled) is
* less than 1.2... or if it's greater than 1.2, because
* we need to be closer to ECMA.
*/
if (cx.Version != Context.Versions.JS1_2)
{
sourceBuf.Append("anonymous");
}
sourceBuf.Append('(');
// Append arguments as coma separated strings
for (int i = 0; i < arglen - 1; i++)
{
if (i > 0)
{
sourceBuf.Append(',');
}
sourceBuf.Append(ScriptConvert.ToString(args [i]));
}
sourceBuf.Append(") {");
if (arglen != 0)
{
// append function body
string funBody = ScriptConvert.ToString(args [arglen - 1]);
sourceBuf.Append(funBody);
}
sourceBuf.Append('}');
string source = sourceBuf.ToString();
int [] linep = new int [1];
string filename = Context.GetSourcePositionFromStack(linep);
if (filename == null)
{
filename = "<eval'ed string>";
linep [0] = 1;
}
string sourceURI = ScriptRuntime.makeUrlForGeneratedScript(false, filename, linep [0]);
IScriptable global = ScriptableObject.GetTopLevelScope(scope);
ErrorReporter reporter;
reporter = DefaultErrorReporter.ForEval(cx.ErrorReporter);
// Compile with explicit interpreter instance to force interpreter
// mode.
return(cx.CompileFunction(global, source, new Interpreter(), reporter, sourceURI, 1, (object)null));
}
private static int PrintSourceNumber(string source, int offset, System.Text.StringBuilder sb)
{
double number = 0.0;
char type = source [offset];
++offset;
if (type == 'S')
{
if (sb != null)
{
int ival = source [offset];
number = ival;
}
++offset;
}
else if (type == 'J' || type == 'D')
{
if (sb != null)
{
long lbits;
lbits = (long)source [offset] << 48;
lbits |= (long)source [offset + 1] << 32;
lbits |= (long)source [offset + 2] << 16;
lbits |= (long)source [offset + 3];
if (type == 'J')
{
number = lbits;
}
else
{
number = BitConverter.Int64BitsToDouble(lbits);
}
}
offset += 4;
}
else
{
// Bad source
throw new ApplicationException();
}
if (sb != null)
{
sb.Append(ScriptConvert.ToString(number, 10));
}
return(offset);
}