private Statement ParseReturnStmt()
{
if (CurrentFunction == null) {
ReportSyntaxError("'return' outside function");
}
var returnToken = _lookahead;
NextToken();
string returnWhitespace = _tokenWhiteSpace;
Expression expr = null;
var start = GetStart();
if (!NeverTestToken(PeekToken())) {
expr = ParseTestListAsExpr();
}
if (expr != null && _langVersion < JLanguageVersion.V33) {
if (_isGenerator) {
ReportSyntaxError(returnToken.Span.Start, expr.EndIndex, "'return' with argument inside generator");
} else {
if (_returnsWithValue == null) {
_returnsWithValue = new List<IndexSpan>();
}
_returnsWithValue.Add(new IndexSpan(returnToken.Span.Start, expr.EndIndex - returnToken.Span.Start));
}
}
ReturnStatement ret = new ReturnStatement(expr);
if (_verbatim) {
AddPreceedingWhiteSpace(ret, returnWhitespace);
}
ret.SetLoc(start, GetEnd());
return ret;
}
public JAst ParseTopExpression()
{
// TODO: move from source unit .TrimStart(' ', '\t')
ReturnStatement ret = new ReturnStatement(ParseTestListAsExpression());
ret.SetLoc(0, 0);
return CreateAst(ret);
}