mirror of https://gitee.com/bigwinds/arangodb
126 lines
5.3 KiB
C++
126 lines
5.3 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief Ahuacatl, statement list
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2014 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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/// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
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/// @author Copyright 2012-2013, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGODB_AHUACATL_AHUACATL__STATEMENTLIST_H
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#define ARANGODB_AHUACATL_AHUACATL__STATEMENTLIST_H 1
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#include "Basics/Common.h"
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#include "Basics/vector.h"
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struct TRI_aql_node_t;
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// -----------------------------------------------------------------------------
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// --SECTION-- public types
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// -----------------------------------------------------------------------------
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struct TRI_aql_statement_list_t {
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std::vector<struct TRI_aql_node_t*> _statements;
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size_t _currentLevel;
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};
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// -----------------------------------------------------------------------------
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// --SECTION-- constructors / destructors
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @brief init the global nodes at program start
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////////////////////////////////////////////////////////////////////////////////
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void TRI_GlobalInitStatementListAql (void);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief de-init the global nodes at program end
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////////////////////////////////////////////////////////////////////////////////
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void TRI_GlobalFreeStatementListAql (void);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief create and initialize a statement list
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////////////////////////////////////////////////////////////////////////////////
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TRI_aql_statement_list_t* TRI_CreateStatementListAql (void);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief free a statement list
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////////////////////////////////////////////////////////////////////////////////
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void TRI_FreeStatementListAql (TRI_aql_statement_list_t* const);
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// -----------------------------------------------------------------------------
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// --SECTION-- public functions
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @brief get the address of the dummy non-op node
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////////////////////////////////////////////////////////////////////////////////
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struct TRI_aql_node_t* TRI_GetDummyNopNodeAql (void);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief pull out subqueries in the statement list from the middle to the
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/// beginning
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////////////////////////////////////////////////////////////////////////////////
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void TRI_PulloutStatementListAql (TRI_aql_statement_list_t* const);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief remove all non-ops from the statement list
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///
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/// this is achieved by skipping over all nop nodes in the statement list
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/// the resulting statement list will contain the remaining nodes only
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////////////////////////////////////////////////////////////////////////////////
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void TRI_CompactStatementListAql (TRI_aql_statement_list_t* const);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief insert a statement into the statement list
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////////////////////////////////////////////////////////////////////////////////
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bool TRI_InsertStatementListAql (TRI_aql_statement_list_t* const,
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struct TRI_aql_node_t* const,
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const size_t);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief add a statement to the end of the statement list
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////////////////////////////////////////////////////////////////////////////////
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bool TRI_AppendStatementListAql (TRI_aql_statement_list_t* const,
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struct TRI_aql_node_t* const);
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#endif
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// -----------------------------------------------------------------------------
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// --SECTION-- END-OF-FILE
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// -----------------------------------------------------------------------------
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @page\\|// --SECTION--\\|/// @\\}"
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// End:
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