public void Accept(IndexerNode node)
{
node.Index.Visit(this);
node.Target.Visit(this);
append("pop a");
append("pop b");
append("add a, b");
append("loadb a, a");
append("push a");
}
public void SimpleTest3()
{
string expr = ExpressionsForTest.Expr3;
LexicalParser lp = new LexicalParser();
lp.SetParseContent(expr);
List <Token <TokenType> > tokens = lp.Parse();
SymanticParser sp = new SymanticParser();
sp.SetParseContent(tokens);
ExpressionLanguageAST ast = sp.Parse();
Assert.IsTrue(ast.Root is IndexerNode);
IndexerNode iNode = ast.Root as IndexerNode;
Assert.IsTrue(iNode.Variable is SimpleNode);
Assert.IsTrue((iNode.Args as ParamListNode).Values.Count == 1);
}
private Node Factor()
{
Node node = Obj();
Token <TokenType> t = PeekNextToken();
while (!t.End)
{
if (t.TokenType == TokenType.Dot)
{
GetNextToken();
Token <TokenType> idToken = GetNextToken();
if (idToken.TokenType != TokenType.ID)
{
ExceptionHelper.ThrowExpectToken(TokenType.ID, idToken.Position);
}
if (PeekNextToken().TokenType == TokenType.Left_Parenthesis)//Note:Method Call
{
GetNextToken();
ParamListNode method_param_node = ValueList();
Token <TokenType> rightToken = GetNextToken();
if (rightToken.TokenType != TokenType.Right_Parenthesis)
{
ExceptionHelper.ThrowExpectToken(TokenType.Right_Parenthesis, rightToken.Position);
}
MethodNode methodNode = new MethodNode(node, new SimpleNode(idToken), method_param_node);
node = methodNode;
t = PeekNextToken();
continue;
}
else//Note:Property
{
PropertyNode propNode = new PropertyNode(node, new SimpleNode(idToken));
node = propNode;
}
}
else if (t.TokenType == TokenType.Left_Square_Bracket)
{
GetNextToken();
ParamListNode index_param_node = ValueList();
Token <TokenType> rightToken = GetNextToken();
if (rightToken.TokenType != TokenType.Right_Square_Bracket)
{
ExceptionHelper.ThrowExpectToken(TokenType.Right_Square_Bracket, rightToken.Position);
}
IndexerNode indexerNode = new IndexerNode(node, index_param_node);
node = indexerNode;
}
else if (t.TokenType == TokenType.Left_Parenthesis)
{
GetNextToken();
ParamListNode static_method_param_node = ValueList();
Token <TokenType> rightToken = GetNextToken();
if (rightToken.TokenType != TokenType.Right_Parenthesis)
{
ExceptionHelper.ThrowExpectToken(TokenType.Right_Parenthesis, t.Position);
}
MethodNode staticMethodNode = new MethodNode(null, node, static_method_param_node);
node = staticMethodNode;
}
else
{
break;
}
t = PeekNextToken();
}
return(node);
}
public override void VisitIndexer(IndexerNode node)
{
visitor.VisitIndexer((IIndexerWithSymbols)node);
}
