// Constructor.
	internal FunctionScope(ScriptObject parent, JFormalParams fparams,
						   Object thisObject, Object[] args)
			: base(parent, new JSObject())
			{
				this.thisObject = thisObject;
				if(fparams != null)
				{
					JExprListElem param = fparams.first;
					int posn = 0;
					while(param != null && posn < args.Length)
					{
						((IVariableAccess)this).SetVariable
							(Convert.ToString(param.name), args[posn++]);
						param = param.next;
					}
					while(param != null)
					{
						((IVariableAccess)this).SetVariable
							(Convert.ToString(param.name), null);
						param = param.next;
					}
				}
			}
Exemplo n.º 2
0
	// Parse a function declaration or expression.
	private JNode Function(bool needIdentifier)
			{
				Context save = tokenInfo.MakeCopy();
				String name = null;
				JFormalParams fparams;
				JNode body;

				// Skip the "function" keyword.
				NextToken();

				// Get the function name.
				if(token == JSToken.Identifier)
				{
					name = scanner.GetIdentifierName();
					NextToken();
				}
				else if(needIdentifier)
				{
					SyntaxError("function name expected");
				}

				// Parse the formal parameter list.
				fparams = new JFormalParams(tokenInfo.MakeCopy());
				Expect(JSToken.LeftParen, "`(' expected");
				while(token == JSToken.Identifier)
				{
					Support.AddExprToList
						(fparams, scanner.GetIdentifierName(), null);
					NextToken();
					if(token == JSToken.Comma)
					{
						NextToken();
					}
					else if(token != JSToken.RightParen)
					{
						SyntaxError("`)' or ',' expected");
					}
				}
				fparams.context = Context.BuildRange
						(fparams.context, tokenInfo);
				Expect(JSToken.RightParen, "`)' expected");

				// Parse the function body.
				body = Block();

				// Build the final function definition node.
				return new JFunction(Context.BuildRange(save, body.context),
									 name, fparams, body);
			}
Exemplo n.º 3
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	public JFunction(Context context, String name, JFormalParams fparams, JNode body)
		: base(context)
	{
		this.kind__ = KIND;
		this.name = name;
		this.fparams = fparams;
		this.body = body;
	}