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43 lines
1.0 KiB
43 lines
1.0 KiB
#ifndef INC_ParserSharedInputState_hpp__
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#define INC_ParserSharedInputState_hpp__
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#include "antlr/config.h"
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#include "antlr/TokenBuffer.h"
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#include "antlr/RefCount.h"
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#include <string>
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ANTLR_BEGIN_NAMESPACE(antlr)
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/** This object contains the data associated with an
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* input stream of tokens. Multiple parsers
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* share a single ParserSharedInputState to parse
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* the same stream of tokens.
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*/
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class ParserInputState {
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public:
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ParserInputState(TokenBuffer* input_);
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ParserInputState(TokenBuffer& input_);
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~ParserInputState();
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public:
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/** Are we guessing (guessing>0)? */
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int guessing; //= 0;
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/** What file (if known) caused the problem? */
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ANTLR_USE_NAMESPACE(std)string filename;
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TokenBuffer& getInput();
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private:
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/** Where to get token objects */
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TokenBuffer* input;
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bool inputResponsible;
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// we don't want these:
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ParserInputState(const ParserInputState&);
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ParserInputState& operator=(const ParserInputState&);
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};
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typedef RefCount<ParserInputState> ParserSharedInputState;
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ANTLR_END_NAMESPACE
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#endif //INC_ParserSharedInputState_hpp__
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