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/********************* */
/*! \file tptp_input.cpp
** \verbatim
** Original author: cconway
** Major contributors: mdeters
** Minor contributors (to current version): none
** This file is part of the CVC4 prototype.
** Copyright (c) 2009, 2010, 2011 The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
** See the file COPYING in the top-level source directory for licensing
** information.\endverbatim
**
** \brief [[ Add file-specific comments here ]].
**
** [[ Add file-specific comments here ]]
**/
#include <antlr3.h>
#include "parser/tptp/tptp_input.h"
#include "expr/expr_manager.h"
#include "parser/input.h"
#include "parser/parser.h"
#include "parser/parser_exception.h"
#include "parser/tptp/tptp.h"
#include "parser/tptp/generated/TptpLexer.h"
#include "parser/tptp/generated/TptpParser.h"
namespace CVC4 {
namespace parser {
/* Use lookahead=1 */
TptpInput::TptpInput(AntlrInputStream& inputStream) :
AntlrInput(inputStream, 1) {
pANTLR3_INPUT_STREAM input = inputStream.getAntlr3InputStream();
AlwaysAssert( input != NULL );
d_pTptpLexer = TptpLexerNew(input);
if( d_pTptpLexer == NULL ) {
throw ParserException("Failed to create TPTP lexer.");
}
setAntlr3Lexer( d_pTptpLexer->pLexer );
pANTLR3_COMMON_TOKEN_STREAM tokenStream = getTokenStream();
AlwaysAssert( tokenStream != NULL );
d_pTptpParser = TptpParserNew(tokenStream);
if( d_pTptpParser == NULL ) {
throw ParserException("Failed to create TPTP parser.");
}
setAntlr3Parser(d_pTptpParser->pParser);
}
TptpInput::~TptpInput() {
d_pTptpLexer->free(d_pTptpLexer);
d_pTptpParser->free(d_pTptpParser);
}
Command* TptpInput::parseCommand()
throw (ParserException, TypeCheckingException, AssertionException) {
return d_pTptpParser->parseCommand(d_pTptpParser);
}
Expr TptpInput::parseExpr()
throw (ParserException, TypeCheckingException, AssertionException) {
return d_pTptpParser->parseExpr(d_pTptpParser);
}
}/* CVC4::parser namespace */
}/* CVC4 namespace */
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