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/******************************************************************************
* Top contributors (to current version):
* Christopher L. Conway, Morgan Deters, Andrew Reynolds
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
* in the top-level source directory and their institutional affiliations.
* All rights reserved. See the file COPYING in the top-level source
* directory for licensing information.
* ****************************************************************************
*
* [[ Add one-line brief description here ]]
*
* [[ Add lengthier description here ]]
*/
#include "parser/cvc/cvc_input.h"
#include <antlr3.h>
#include "base/check.h"
#include "parser/antlr_input.h"
#include "parser/cvc/CvcLexer.h"
#include "parser/cvc/CvcParser.h"
#include "parser/parser_exception.h"
namespace cvc5 {
namespace parser {
/* Use lookahead=3 */
CvcInput::CvcInput(AntlrInputStream& inputStream) :
AntlrInput(inputStream,6) {
pANTLR3_INPUT_STREAM input = inputStream.getAntlr3InputStream();
Assert(input != NULL);
d_pCvcLexer = CvcLexerNew(input);
if( d_pCvcLexer == NULL ) {
throw ParserException("Failed to create CVC lexer.");
}
setAntlr3Lexer( d_pCvcLexer->pLexer );
pANTLR3_COMMON_TOKEN_STREAM tokenStream = getTokenStream();
Assert(tokenStream != NULL);
d_pCvcParser = CvcParserNew(tokenStream);
if( d_pCvcParser == NULL ) {
throw ParserException("Failed to create CVC parser.");
}
setAntlr3Parser(d_pCvcParser->pParser);
}
CvcInput::~CvcInput() {
d_pCvcLexer->free(d_pCvcLexer);
d_pCvcParser->free(d_pCvcParser);
}
Command* CvcInput::parseCommand() {
return d_pCvcParser->parseCommand(d_pCvcParser);
}
api::Term CvcInput::parseExpr()
{
return d_pCvcParser->parseExpr(d_pCvcParser);
}
/*
pANTLR3_LEXER CvcInput::getLexer() {
return d_pCvcLexer->pLexer;
}
*/
} // namespace parser
} // namespace cvc5
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