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public PopScriptObject ( ) : |
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internal ScriptFunction Construct(object[] args, VsaEngine engine)
{
ScriptFunction function;
StringBuilder builder = new StringBuilder("function anonymous(");
int index = 0;
int num2 = args.Length - 2;
while (index < num2)
{
builder.Append(Microsoft.JScript.Convert.ToString(args[index]));
builder.Append(", ");
index++;
}
if (args.Length > 1)
{
builder.Append(Microsoft.JScript.Convert.ToString(args[args.Length - 2]));
}
builder.Append(") {\n");
if (args.Length > 0)
{
builder.Append(Microsoft.JScript.Convert.ToString(args[args.Length - 1]));
}
builder.Append("\n}");
Context context = new Context(new DocumentContext("anonymous", engine), builder.ToString());
JSParser parser = new JSParser(context);
engine.PushScriptObject(((IActivationObject) engine.ScriptObjectStackTop()).GetGlobalScope());
try
{
function = (ScriptFunction) parser.ParseFunctionExpression().PartiallyEvaluate().Evaluate();
}
finally
{
engine.PopScriptObject();
}
return function;
}
public static Object JScriptEvaluate(Object source, VsaEngine engine){
if (Convert.GetTypeCode(source) != TypeCode.String)
return source;
if (engine.doFast)
engine.PushScriptObject(new BlockScope(engine.ScriptObjectStackTop()));
try{
Context context = new Context(new DocumentContext("eval code", engine), ((IConvertible)source).ToString());
JSParser p = new JSParser(context);
return ((Completion)p.ParseEvalBody().PartiallyEvaluate().Evaluate()).value;
}finally{
if (engine.doFast)
engine.PopScriptObject();
}
}
internal ScriptFunction Construct(Object[] args, VsaEngine engine){
StringBuilder func_string = new StringBuilder("function anonymous(");
for (int i = 0, n = args.Length-2; i < n; i++){
func_string.Append(Convert.ToString(args[i]));
func_string.Append(", ");
}
if (args.Length > 1)
func_string.Append(Convert.ToString(args[args.Length-2]));
func_string.Append(") {\n");
if (args.Length > 0)
func_string.Append(Convert.ToString(args[args.Length-1]));
func_string.Append("\n}");
Context context = new Context(new DocumentContext("anonymous", engine), func_string.ToString());
JSParser p = new JSParser(context);
engine.PushScriptObject(((IActivationObject)Globals.contextEngine.ScriptObjectStackTop()).GetGlobalScope());
try{
return (ScriptFunction)p.ParseFunctionExpression().PartiallyEvaluate().Evaluate();
}finally{
engine.PopScriptObject();
}
}
// Perform a call on this object.
internal override Object Call
(VsaEngine engine, Object thisob, Object[] args)
{
// Create a new scope object and initialize the parameters.
ScriptObject scope;
if(thisob is JSObject)
{
scope = new FunctionScope
((JSObject)thisob, defn.fparams, thisob, args);
}
else
{
scope = new FunctionScope
(declaringScope, defn.fparams, thisob, args);
}
// Push the scope onto the stack.
engine.PushScriptObjectChecked(scope);
// Call the function and pop the scope afterwards.
Object result = Empty.Value;
try
{
if(defn.body != null)
{
defn.body.Eval(engine);
}
}
catch(ReturnJumpOut r)
{
return r.value;
}
finally
{
engine.PopScriptObject();
}
// Return the function result to the caller.
return result;
}
private static object DoEvaluate(object source, VsaEngine engine, bool isUnsafe)
{
object obj2;
if (engine.doFast)
{
engine.PushScriptObject(new BlockScope(engine.ScriptObjectStackTop()));
}
try
{
Context context = new Context(new DocumentContext("eval code", engine), ((IConvertible) source).ToString());
JSParser parser = new JSParser(context);
obj2 = ((Completion) parser.ParseEvalBody().PartiallyEvaluate().Evaluate()).value;
}
finally
{
if (engine.doFast)
{
engine.PopScriptObject();
}
}
return obj2;
}
public override Object Eval(VsaEngine engine)
#line 447 "./Nodes/JStmt.tc"
{
Object result;
// Evaluate the expression to use inside the "with" block
// and push it onto the script object stack.
try
{
With.JScriptWith(expr.Eval(engine), engine);
}
catch(JScriptException e)
{
e.context = expr.context.MakeCopy();
throw e;
}
// Evaluate the body of the "with" block.
try
{
result = body.Eval(engine);
}
finally
{
engine.PopScriptObject();
}
return result;
}
private static Object DoEvaluate(Object source, VsaEngine engine, bool isUnsafe){
if (engine.doFast)
engine.PushScriptObject(new BlockScope(engine.ScriptObjectStackTop()));
try{
Context context = new Context(new DocumentContext("eval code", engine), ((IConvertible)source).ToString());
JSParser p = new JSParser(context);
if (!isUnsafe)
new SecurityPermission(SecurityPermissionFlag.Execution).PermitOnly();
return ((Completion)p.ParseEvalBody().PartiallyEvaluate().Evaluate()).value;
}finally{
if (engine.doFast)
engine.PopScriptObject();
}
}
// Evaluate a JScript expression in the context of a specific engine.
public static Object JScriptEvaluate(Object source, VsaEngine engine)
{
Object value = null;
// Bail out if we weren't supplied a string.
if(!(source is String))
{
return source;
}
// Parse the "eval" statement.
Context context = new Context((String)source);
context.codebase = new CodeBase("eval code", null);
JSParser parser = new JSParser(context);
JNode node = parser.ParseSource(true);
// Push a scope for use during evaluation.
engine.PushScriptObject
(new BlockScope(engine.ScriptObjectStackTop(),
new JSObject (null, engine)));
// Evaluate the statement.
try
{
value = node.Eval(engine);
if(value == Empty.Value)
{
value = null;
}
}
catch(JScriptException e)
{
// Attach the context information to low-level exceptions.
if(e.context == null)
{
e.context = context;
}
throw;
}
catch(BreakJumpOut brk)
{
// "break" used incorrectly.
throw new JScriptException(JSError.BadBreak, brk.context);
}
catch(ContinueJumpOut cont)
{
// "continue" used incorrectly.
throw new JScriptException(JSError.BadContinue,
cont.context);
}
catch(ReturnJumpOut ret)
{
// "return" used incorrectly.
throw new JScriptException(JSError.BadReturn, ret.context);
}
finally
{
// Pop the script scope.
engine.PopScriptObject();
}
// Return the result of the evaluation to the caller.
return value;
}
