mirror of https://gitee.com/bigwinds/arangodb
136 lines
3.8 KiB
C
136 lines
3.8 KiB
C
////////////////////////////////////////////////////////////////////////////////
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/// @brief Ahuacatl, constant folding
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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 2010-2012 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 triAGENS GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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/// @author Copyright 2012, triagens GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#ifndef TRIAGENS_DURHAM_AHUACATL_CONSTANT_FOLDER_H
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#define TRIAGENS_DURHAM_AHUACATL_CONSTANT_FOLDER_H 1
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#include <BasicsC/common.h>
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#include <BasicsC/strings.h>
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#include <BasicsC/string-buffer.h>
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#include <BasicsC/hashes.h>
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#include <BasicsC/logging.h>
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#include <BasicsC/vector.h>
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#include <BasicsC/associative.h>
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#include "Ahuacatl/ahuacatl-ast-node.h"
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#include "Ahuacatl/ahuacatl-tree-walker.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// -----------------------------------------------------------------------------
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// --SECTION-- public functions
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup Ahuacatl
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief access type
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////////////////////////////////////////////////////////////////////////////////
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typedef enum {
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TRI_AQL_RANGE_LOWER_EXCLUDED,
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TRI_AQL_RANGE_LOWER_INCLUDED,
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TRI_AQL_RANGE_UPPER_EXCLUDED,
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TRI_AQL_RANGE_UPPER_INCLUDED
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}
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TRI_aql_range_e;
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typedef enum {
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TRI_AQL_ACCESS_ALL = 0,
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TRI_AQL_ACCESS_IMPOSSIBLE,
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TRI_AQL_ACCESS_EXACT,
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TRI_AQL_ACCESS_LIST,
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TRI_AQL_ACCESS_SINGLE_RANGE,
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TRI_AQL_ACCESS_DOUBLE_RANGE,
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}
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TRI_aql_access_e;
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typedef struct TRI_aql_range_s {
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TRI_json_t* _value;
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TRI_aql_range_e _type;
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}
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TRI_aql_range_t;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief attribute access container used during optimisation
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////////////////////////////////////////////////////////////////////////////////
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typedef struct TRI_aql_field_access_s {
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char* _fieldName;
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TRI_aql_access_e _type;
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union {
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TRI_json_t* _exactValue;
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TRI_json_t* _list;
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TRI_aql_range_t _singleRange;
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struct {
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TRI_aql_range_t _lower;
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TRI_aql_range_t _upper;
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}
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_between;
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}
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_value;
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}
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TRI_aql_field_access_t;
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typedef struct TRI_aql_field_name_s {
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const char* _variable;
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TRI_string_buffer_t _name;
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}
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TRI_aql_field_name_t;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief fold constants recursively
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////////////////////////////////////////////////////////////////////////////////
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TRI_aql_node_t* TRI_FoldConstantsAql (TRI_aql_context_t* const,
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TRI_aql_node_t*);
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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#ifdef __cplusplus
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}
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#endif
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#endif
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "^\\(/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|// --SECTION--\\|/// @\\}\\)"
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// End:
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