public void Visit(ListLiteralNode node)
{
builder.AppendLine($"\t\tldc.i4 {node.Count()}");
string listType = "";
string elementType = "";
if (node[0] is IntLiteralNode)
{
listType = "int32";
elementType = "i4";
}
else if (node[0] is BoolLiteralNode)
{
listType = "bool";
elementType = "i4";
}
else if (node[0] is StringLiteralNode)
{
listType = "string";
elementType = "ref";
}
builder.AppendLine($"\t\tnewarr {listType}");
int index = 0;
foreach (var n in node)
{
builder.AppendLine("\t\tdup");
builder.AppendLine($"\t\tldc.i4 {index}");
Visit((dynamic)n);
builder.AppendLine($"\t\tstelem.{elementType}");
index++;
}
}
public Node List()
{
var list_node = new ListLiteralNode();
Expect(TokenCategory.CURLY_OPEN);
var nodes = Optional(simpleLiterals, () =>
{
list_node.Add(Node.fromToken(Expect(simpleLiterals)));
return ZeroOrMore(TokenCategory.COMMA, SimpleLiteral, true);
});
list_node.Add(nodes);
Expect(TokenCategory.CURLY_CLOSE);
return list_node;
}
public Type Visit(ListLiteralNode node)
{
if (node.Count() == 0)
{
return(Type.LIST);
}
Type first = Visit((dynamic)node[0]);
foreach (var n in node)
{
Type t = Visit((dynamic)n);
if (t != first)
{
throw new SemanticError("All elements of a list should be the same tipe, "
+ $"expected {first} but got {t}", n.AnchorToken);
}
}
return(first.ToListType());
}
public Node List()
{
var listLiteral = new ListLiteralNode();
if (CurrentToken == TokenCategory.KEY_OPEN)
{
Expect(TokenCategory.KEY_OPEN);
var litList = SimpleLiteral();
while (CurrentToken == TokenCategory.COMMA)
{
var commaNode = new Identifier()
{
AnchorToken = Expect(TokenCategory.COMMA)
};
commaNode.Add(litList);
commaNode.Add(SimpleLiteral());
litList = commaNode;
}
listLiteral.Add(litList);
Expect(TokenCategory.KEY_CLOSE);
}
if (CurrentToken == TokenCategory.BRACKETS_OPEN)
{
Expect(TokenCategory.BRACKETS_OPEN);
if (CurrentToken != TokenCategory.IDENTIFIER)
{
var litList = SimpleLiteral();
while (CurrentToken == TokenCategory.COMMA)
{
var commaNode = new Identifier()
{
AnchorToken = Expect(TokenCategory.COMMA)
};
commaNode.Add(litList);
commaNode.Add(SimpleLiteral());
litList = commaNode;
}
listLiteral.Add(litList);
}
else
{
var expList = Expression();
while (CurrentToken == TokenCategory.COMMA)
{
var commaNode = new Identifier()
{
AnchorToken = Expect(TokenCategory.COMMA)
};
commaNode.Add(expList);
commaNode.Add(Expression());
expList = commaNode;
}
listLiteral.Add(expList);
}
Expect(TokenCategory.BRACKETS_CLOSE);
}
return(listLiteral);
}
