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#ifndef INC_LexerSharedInputState_hpp__
#define INC_LexerSharedInputState_hpp__
#include "antlr/config.h"
#include "antlr/InputBuffer.h"
#include "antlr/RefCount.h"
#include <string>
ANTLR_BEGIN_NAMESPACE(antlr)
/** 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(ANTLR_USE_NAMESPACE(std)istream& in);
~LexerInputState();
int column;
int line;
int tokenStartColumn;
int tokenStartLine;
int guessing;
/** What file (if known) caused the problem? */
ANTLR_USE_NAMESPACE(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;
inline InputBuffer& LexerInputState::getInput()
{
return *input;
}
ANTLR_END_NAMESPACE
#endif //INC_LexerSharedInputState_hpp__
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