1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
#include "parseIdentifierOrStringLiteral.h"
#include <Parsers/ExpressionElementParsers.h>
#include <Parsers/ASTLiteral.h>
#include <Parsers/ASTIdentifier_fwd.h>
#include <Parsers/CommonParsers.h>
#include <Parsers/ExpressionListParsers.h>
#include <Common/typeid_cast.h>
namespace DB
{
bool parseIdentifierOrStringLiteral(IParser::Pos & pos, Expected & expected, String & result)
{
return IParserBase::wrapParseImpl(pos, [&]
{
ASTPtr ast;
if (ParserIdentifier().parse(pos, ast, expected))
{
result = getIdentifierName(ast);
return true;
}
if (ParserStringLiteral().parse(pos, ast, expected))
{
result = ast->as<ASTLiteral &>().value.safeGet<String>();
return true;
}
return false;
});
}
bool parseIdentifiersOrStringLiterals(IParser::Pos & pos, Expected & expected, Strings & result)
{
Strings res;
auto parse_single_id_or_literal = [&]
{
String str;
if (!parseIdentifierOrStringLiteral(pos, expected, str))
return false;
res.emplace_back(std::move(str));
return true;
};
if (!ParserList::parseUtil(pos, expected, parse_single_id_or_literal, false))
return false;
result = std::move(res);
return true;
}
}
|
