public override bool Walk(SublistParameter node)
{
node.PythonVariable = _binder.DefineParameter(node.Name);
// we walk the node by hand to avoid walking the default values.
WalkTuple(node.Tuple);
return(false);
}
public override bool Walk(SublistParameter node)
{
return(true);
}
// parameter ::=
// identifier | "(" sublist ")"
private Parameter ParseParameter(int position, HashSet<string> names) {
Token t = PeekToken();
Parameter parameter = null;
switch (t.Kind) {
case TokenKind.LeftParenthesis: // sublist
NextToken();
Expression ret = ParseSublist(names);
Eat(TokenKind.RightParenthesis);
TupleExpression tret = ret as TupleExpression;
NameExpression nameRet;
if (tret != null) {
parameter = new SublistParameter(position, tret);
} else if ((nameRet = ret as NameExpression) != null) {
parameter = new Parameter(nameRet.Name);
} else {
ReportSyntaxError(_lookahead);
}
if (parameter != null) {
parameter.SetLoc(_globalParent, ret.IndexSpan);
}
break;
case TokenKind.Name: // identifier
NextToken();
string name = FixName((string)t.Value);
parameter = new Parameter(name);
CompleteParameterName(parameter, name, names);
break;
default:
ReportSyntaxError(_lookahead);
break;
}
return parameter;
}
public override bool Walk(SublistParameter node)
{
node.PythonVariable = _binder.DefineParameter(node.Name);
node.Parent = _binder._currentScope;
// we walk the node by hand to avoid walking the default values.
WalkTuple(node.Tuple);
return false;
}
// SublistParameter
public override bool Walk(SublistParameter node)
{
node.Parent = _currentScope;
return(base.Walk(node));
}
public override bool Walk(SublistParameter node)
{
CommonWalk(node);
return true;
}
public override void PostWalk(SublistParameter node)
{
CommonPostWalk(node);
}
// parameter ::=
// identifier | "(" sublist ")"
Parameter ParseParameter(int position, Dictionary<SymbolId, object> names) {
Token t = PeekToken();
Parameter parameter = null;
switch (t.Kind) {
case TokenKind.LeftParenthesis: // sublist
NextToken();
Expression ret = ParseSublist(names);
Eat(TokenKind.RightParenthesis);
TupleExpression tret = ret as TupleExpression;
if (tret != null) {
parameter = new SublistParameter(position, tret);
} else {
parameter = new Parameter(((NameExpression)ret).Name);
}
parameter.SetLoc(ret.Span);
break;
case TokenKind.Name: // identifier
NextToken();
SymbolId name = FixName((SymbolId)t.Value);
parameter = new Parameter(name);
CompleteParameterName(parameter, name, names);
break;
default:
ReportSyntaxError(_lookahead);
break;
}
return parameter;
}
public override bool Walk(SublistParameter node) {
return true;
}
public override bool Walk(SublistParameter node) {
node.Variable = _binder.DefineParameter(node.Name);
return true;
}
// SublistParameter
public override bool Walk(SublistParameter node) {
node.Parent = _currentScope;
return base.Walk(node);
}
public void Visit(PyAst.SublistParameter node) => throw CreateNotImplementedEx();
