TableField ParseTableIndexField()
{
NextToken();
var field = new TableField(_current.m_line);
field.index = ParseExp();
if (NextToken().m_type != ']')
{
throw NewParserException("expect ']'", _current);
}
if (NextToken().m_type != '=')
{
throw NewParserException("expect '='", _current);
}
field.value = ParseExp();
return(field);
}
TableDefine ParseTableConstructor()
{
NextToken();
var table = new TableDefine(_current.m_line);
TableField last_field = null;
while (LookAhead().m_type != '}')
{
if (LookAhead().m_type == (int)'[')
{
last_field = ParseTableIndexField();
}
else
{
last_field = new TableField(LookAhead().m_line);
if (LookAhead().Match(TokenType.STRING_BEGIN))
{
var exp = ParseComplexString();
if (LookAhead().Match('='))
{
last_field.index = exp;
NextToken();
last_field.value = ParseExp();
}
else
{
last_field.value = exp;
}
}
else if (LookAhead2().Match('='))
{
// must be kv
NextToken();
if (_current.Match(TokenType.STRING) ||
_current.Match(TokenType.NUMBER))
{
last_field.index = new Terminator(_current);
}
else if (_current.IsLiteralString())
{
last_field.index = new Terminator(_current.ConvertToStringToken());
}
else
{
throw NewParserException("expect <name>,<string>,<number> to define table-key before '='", _current);
}
NextToken();// skip =
last_field.value = ParseExp();
}
else
{
last_field.value = ParseExp();
}
}
table.fields.Add(last_field);
if (LookAhead().m_type != '}')
{
NextToken();
if (_current.m_type != (int)',' &&
_current.m_type != (int)';')
{
throw NewParserException("expect ',' or ';' to split table fields", _current);
}
}
}
if (NextToken().m_type != '}')
{
throw NewParserException("expect '}' for table", _current);
}
return(table);
}
