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120 lines
2.7 KiB
C++
120 lines
2.7 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/***********************************************************************
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* $Id: sqlparser.h 9210 2013-01-21 14:10:42Z rdempsey $
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*
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*
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***********************************************************************/
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/** @file
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*
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* This contains a class wrapper for the Bison parsing machinery.
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*/
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#include <stdexcept>
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#include "ddlpkg.h"
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#if defined(_MSC_VER) && defined(xxxDDLPKGSQLPARSER_DLLEXPORT)
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#define EXPORT __declspec(dllexport)
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#else
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#define EXPORT
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#endif
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namespace ddlpackage
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{
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typedef SqlStatementList ParseTree;
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/** @brief SqlParser is a class interface around the Bison parser
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* machinery for DDL.
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*
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* Example:
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*
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* @verbatim
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SqlParser parser;
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parser.Parse(sqlbuf);
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or
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SqlFileParser parser;
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parser.setDefaultSchema("tpch");
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parser.Parse(sqlFileName);
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if (parser.Good()) {
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const ParseTree &ptree = parser.GetParseTree();
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cout << ptree.fList.size() << " " << "SQL statements" << endl;
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cout << ptree << endl;
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}
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else {
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cout << "Parser failed." << endl;
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}
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@endverbatim
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*/
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class SqlParser
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{
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public:
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EXPORT SqlParser(void);
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EXPORT virtual ~SqlParser();
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EXPORT int Parse(const char* sqltext);
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/** @brief Return the ParseTree if state is Good. Otherwise
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* throw a logic_error.
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*/
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EXPORT const ParseTree& GetParseTree(void);
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/** @brief Tells whether current state resulted from a good
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* parse.
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*/
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EXPORT bool Good(void);
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/** @brief Control bison debugging
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*/
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EXPORT void SetDebug(bool debug);
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/** @brief Set the default schema to use if it is not
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* supplied in the DDL statement
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*
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* @param schema the default schema
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*/
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EXPORT void setDefaultSchema(std::string schema);
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protected:
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ParseTree fParseTree;
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int fStatus; ///< return from yyparse() stored here.
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bool fDebug; ///< Turn on bison debugging.
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};
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/** SqlFileParser is a testing device.
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*/
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class SqlFileParser : public SqlParser
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{
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public:
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SqlFileParser();
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int Parse(const std::string& fileName);
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};
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}
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#undef EXPORT
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