blob: ae56ceada3b25127fd7455a0b0fb40d47d4a1777 (
plain) (
blame)
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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/*
This file is part of solidity.
solidity is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
solidity is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with solidity. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @author Christian <c@ethdev.com>
* @date 2016
* Solidity parser shared functionality.
*/
#pragma once
#include <memory>
#include <libsolidity/parsing/Scanner.h>
#include <libsolidity/parsing/Token.h>
namespace dev
{
namespace solidity
{
class ErrorReporter;
class Scanner;
class ParserBase
{
public:
ParserBase(ErrorReporter& errorReporter): m_errorReporter(errorReporter) {}
std::shared_ptr<std::string const> const& sourceName() const;
protected:
/// Start position of the current token
int position() const;
/// End position of the current token
int endPosition() const;
///@{
///@name Helper functions
/// If current token value is not _value, throw exception otherwise advance token.
void expectToken(Token::Value _value);
Token::Value currentToken() const { return m_scanner->currentToken(); }
Token::Value peekNextToken() const { return m_scanner->peekNextToken(); }
std::string currentLiteral() const { return m_scanner->currentLiteral(); }
Token::Value advance() { return m_scanner->next(); }
///@}
/// Creates a @ref ParserError and annotates it with the current position and the
/// given @a _description.
void parserError(std::string const& _description);
/// Creates a @ref ParserError and annotates it with the current position and the
/// given @a _description. Throws the FatalError.
void fatalParserError(std::string const& _description);
std::shared_ptr<Scanner> m_scanner;
/// The reference to the list of errors and warning to add errors/warnings during parsing
ErrorReporter& m_errorReporter;
};
}
}
|
