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#include "cvc4parser_public.h"
#ifndef __CVC4__PARSER__CVC_INPUT_H
#define __CVC4__PARSER__CVC_INPUT_H
#include "parser/antlr_input.h"
#include "parser/cvc/generated/CvcLexer.h"
#include "parser/cvc/generated/CvcParser.h"
// extern void CvcParserSetAntlrParser(CVC4::parser::AntlrParser* newAntlrParser);
namespace CVC4 {
class Command;
class Expr;
class ExprManager;
namespace parser {
class CvcInput : public AntlrInput {
/** The ANTLR3 CVC lexer for the input. */
pCvcLexer d_pCvcLexer;
/** The ANTLR3 CVC parser for the input. */
pCvcParser d_pCvcParser;
public:
/** Create a file input.
*
* @param exprManager the manager to use when building expressions from the input
* @param filename the path of the file to read
* @param useMmap <code>true</code> if the input should use memory-mapped
* I/O; otherwise, the input will use the standard ANTLR3 I/O implementation.
*/
CvcInput(ExprManager* exprManager, const std::string& filename, bool useMmap);
/** Create a string input.
*
* @param exprManager the manager to use when building expressions from the input
* @param input the string to read
* @param name the "filename" to use when reporting errors
*/
CvcInput(ExprManager* exprManager, const std::string& input,
const std::string& name);
/* Destructor. Frees the lexer and the parser. */
~CvcInput();
protected:
/** Parse a command from the input. Returns <code>NULL</code> if there is
* no command there to parse.
*
* @throws ParserException if an error is encountered during parsing.
*/
Command* doParseCommand() throw(ParserException);
/** Parse an expression from the input. Returns a null <code>Expr</code>
* if there is no expression there to parse.
*
* @throws ParserException if an error is encountered during parsing.
*/
Expr doParseExpr() throw(ParserException);
private:
/** Initialize the class. Called from the constructors once the input stream
* is initialized. */
void init();
}; // class CvcInput
}/* CVC4::parser namespace */
}/* CVC4 namespace */
#endif /* __CVC4__PARSER__CVC_INPUT_H */
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