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
|
#ifndef INC_LexerSharedInputState_hpp__
#define INC_LexerSharedInputState_hpp__
#include "Antlr/config.hpp"
#include "Antlr/InputBuffer.hpp"
#include "Antlr/RefCount.hpp"
#include <istream>
#include <string>
/** This object contains the data associated with an
* input stream of characters. Multiple lexers
* share a single LexerSharedInputState to lex
* the same input stream.
*/
class LexerInputState {
public:
LexerInputState(InputBuffer* inbuf);
LexerInputState(InputBuffer& inbuf);
LexerInputState(std::istream& in);
~LexerInputState();
int line;
int guessing;
/** What file (if known) caused the problem? */
std::string filename;
InputBuffer& getInput();
private:
InputBuffer* input;
bool inputResponsible;
// we don't want these:
LexerInputState(const LexerInputState&);
LexerInputState& operator=(const LexerInputState&);
};
typedef RefCount<LexerInputState> LexerSharedInputState;
#endif //INC_LexerSharedInputState_hpp__
|
