private void ProcessVariableDeclaration(
VariableDeclaration variableDeclaration,
ParserContext context)
{
foreach (var variable in variableDeclaration.Declarations)
{
if (variable.Init != null)
{
var childContext = new ParserContext(context);
ProcessExpression(variable.Id, childContext);
ProcessExpression(variable.Init, childContext);
}
}
}
public Completion ExecuteVariableDeclaration(VariableDeclaration statement)
{
foreach (var declaration in statement.Declarations)
{
if (declaration.Init != null)
{
var lhs = _engine.EvaluateExpression(declaration.Id) as Reference;
if (lhs == null)
{
throw new ArgumentException();
}
if (lhs.IsStrict() && lhs.GetBase().TryCast<EnvironmentRecord>() != null &&
(lhs.GetReferencedName() == "eval" || lhs.GetReferencedName() == "arguments"))
{
throw new JavaScriptException(_engine.SyntaxError);
}
lhs.GetReferencedName();
var value = _engine.GetValue(_engine.EvaluateExpression(declaration.Init));
_engine.PutValue(lhs, value);
}
}
return new Completion(Completion.Normal, Undefined.Instance, null);
}
private void EmitVariableDeclaration(VariableDeclaration e)
{
Write(e.Kind + " ");
bool first = true;
foreach (var decl in e.Declarations)
{
if (first) first = false;
else Write(", ");
Emit(decl);
}
Write(";");
}
