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/*
* smt_parser.cpp
*
* Created on: Mar 5, 2010
* Author: chris
*/
#include <antlr3.h>
#include "expr/expr_manager.h"
#include "parser/parser_exception.h"
#include "parser/smt/smt_input.h"
#include "parser/smt/generated/SmtLexer.h"
#include "parser/smt/generated/SmtParser.h"
namespace CVC4 {
namespace parser {
/* Use lookahead=2 */
SmtInput::SmtInput(ExprManager* exprManager, const std::string& filename,
bool useMmap) :
AntlrInput(exprManager, filename, 2, useMmap) {
init();
}
SmtInput::SmtInput(ExprManager* exprManager, const std::string& input,
const std::string& name) :
AntlrInput(exprManager, input, name, 2) {
init();
}
void SmtInput::init() {
pANTLR3_INPUT_STREAM input = getInputStream();
AlwaysAssert( input != NULL );
d_pSmtLexer = SmtLexerNew(input);
if( d_pSmtLexer == NULL ) {
throw ParserException("Failed to create SMT lexer.");
}
setLexer( d_pSmtLexer->pLexer );
pANTLR3_COMMON_TOKEN_STREAM tokenStream = getTokenStream();
AlwaysAssert( tokenStream != NULL );
d_pSmtParser = SmtParserNew(tokenStream);
if( d_pSmtParser == NULL ) {
throw ParserException("Failed to create SMT parser.");
}
setParser(d_pSmtParser->pParser);
}
SmtInput::~SmtInput() {
d_pSmtLexer->free(d_pSmtLexer);
d_pSmtParser->free(d_pSmtParser);
}
Command* SmtInput::doParseCommand() throw (ParserException) {
return d_pSmtParser->parseCommand(d_pSmtParser);
}
Expr SmtInput::doParseExpr() throw (ParserException) {
return d_pSmtParser->parseExpr(d_pSmtParser);
}
} // namespace parser
} // namespace CVC4
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